diff options
Diffstat (limited to 'xlators')
46 files changed, 0 insertions, 29721 deletions
diff --git a/xlators/protocol/legacy/Makefile.am b/xlators/protocol/legacy/Makefile.am deleted file mode 100644 index 9914863021c..00000000000 --- a/xlators/protocol/legacy/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -SUBDIRS = lib transport client server - -CLEANFILES = diff --git a/xlators/protocol/legacy/client/Makefile.am b/xlators/protocol/legacy/client/Makefile.am deleted file mode 100644 index d471a3f9243..00000000000 --- a/xlators/protocol/legacy/client/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -SUBDIRS = src - -CLEANFILES = diff --git a/xlators/protocol/legacy/client/src/Makefile.am b/xlators/protocol/legacy/client/src/Makefile.am deleted file mode 100644 index 2ae64ebd0fd..00000000000 --- a/xlators/protocol/legacy/client/src/Makefile.am +++ /dev/null @@ -1,21 +0,0 @@ - -xlator_LTLIBRARIES = client-old.la -xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/legacy/protocol - -client_old_la_LDFLAGS = -module -avoidversion - -client_old_la_SOURCES = client-protocol.c saved-frames.c - -client_old_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \ - $(top_builddir)/xlators/protocol/legacy/lib/src/libgfproto.la - -noinst_HEADERS = client-protocol.h saved-frames.h client-mem-types.h - -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS) \ - -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) \ - -I$(top_srcdir)/xlators/protocol/legacy/lib/src - -CLEANFILES = - -install-data-hook: - ln -sf client-old.so $(DESTDIR)$(xlatordir)/client.so diff --git a/xlators/protocol/legacy/client/src/client-mem-types.h b/xlators/protocol/legacy/client/src/client-mem-types.h deleted file mode 100644 index d2e2878c3db..00000000000 --- a/xlators/protocol/legacy/client/src/client-mem-types.h +++ /dev/null @@ -1,43 +0,0 @@ - -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef __CLIENT_MEM_TYPES_H__ -#define __CLIENT_MEM_TYPES_H__ - -#include "mem-types.h" - -enum gf_client_mem_types_ { - gf_client_mt_dir_entry_t = gf_common_mt_end + 1, - gf_client_mt_volfile_ctx, - gf_client_mt_client_state_t, - gf_client_mt_client_conf_t, - gf_client_mt_locker, - gf_client_mt_lock_table, - gf_client_mt_char, - gf_client_mt_client_connection_t, - gf_client_mt_client_fd_ctx_t, - gf_client_mt_client_local_t, - gf_client_mt_saved_frames, - gf_client_mt_saved_frame, - gf_client_mt_end -}; -#endif - diff --git a/xlators/protocol/legacy/client/src/client-protocol.c b/xlators/protocol/legacy/client/src/client-protocol.c deleted file mode 100644 index 804b93a5c14..00000000000 --- a/xlators/protocol/legacy/client/src/client-protocol.c +++ /dev/null @@ -1,6683 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif -#include <inttypes.h> - - -#include "glusterfs.h" -#include "client-protocol.h" -#include "compat.h" -#include "dict.h" -#include "protocol.h" -#include "transport.h" -#include "xlator.h" -#include "logging.h" -#include "timer.h" -#include "defaults.h" -#include "compat.h" -#include "compat-errno.h" -#include "statedump.h" -#include "client-mem-types.h" - -#include <sys/resource.h> -#include <inttypes.h> - -/* for default_*_cbk functions */ -#include "defaults.c" -#include "saved-frames.h" -#include "common-utils.h" - -int protocol_client_cleanup (transport_t *trans); -int protocol_client_interpret (xlator_t *this, transport_t *trans, - char *hdr_p, size_t hdrlen, - struct iobuf *iobuf); -int -protocol_client_xfer (call_frame_t *frame, xlator_t *this, transport_t *trans, - int type, int op, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iovec *vector, int count, - struct iobref *iobref); - -int -protocol_client_post_handshake (call_frame_t *frame, xlator_t *this); - -static gf_op_t gf_fops[GF_PROTO_FOP_MAXVALUE]; -static gf_op_t gf_mops[GF_MOP_MAXVALUE]; -static gf_op_t gf_cbks[GF_CBK_MAXVALUE]; - - -transport_t * -client_channel (xlator_t *this, int id) -{ - transport_t *trans = NULL; - client_conf_t *conf = NULL; - int i = 0; - struct client_connection *conn = NULL; - - conf = this->private; - - trans = conf->transport[id]; - conn = trans->xl_private; - - if (conn->connected == 1) - goto ret; - - for (i = 0; i < CHANNEL_MAX; i++) { - trans = conf->transport[i]; - conn = trans->xl_private; - if (conn->connected == 1) - break; - } - -ret: - return trans; -} - - -client_fd_ctx_t * -this_fd_del_ctx (fd_t *file, xlator_t *this) -{ - int dict_ret = -1; - uint64_t ctxaddr = 0; - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, file, out); - - dict_ret = fd_ctx_del (file, this, &ctxaddr); - - if (dict_ret < 0) { - ctxaddr = 0; - } - -out: - return (client_fd_ctx_t *)(unsigned long)ctxaddr; -} - - -client_fd_ctx_t * -this_fd_get_ctx (fd_t *file, xlator_t *this) -{ - int dict_ret = -1; - uint64_t ctxaddr = 0; - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, file, out); - - dict_ret = fd_ctx_get (file, this, &ctxaddr); - - if (dict_ret < 0) { - ctxaddr = 0; - } - -out: - return (client_fd_ctx_t *)(unsigned long)ctxaddr; -} - - -static void -this_fd_set_ctx (fd_t *file, xlator_t *this, loc_t *loc, client_fd_ctx_t *ctx) -{ - uint64_t oldaddr = 0; - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, file, out); - - ret = fd_ctx_get (file, this, &oldaddr); - if (ret >= 0) { - if (loc) - gf_log (this->name, GF_LOG_DEBUG, - "%s (%"PRId64"): trying duplicate remote fd set. ", - loc->path, loc->inode->ino); - else - gf_log (this->name, GF_LOG_DEBUG, - "%p: trying duplicate remote fd set. ", - file); - } - - ret = fd_ctx_set (file, this, (uint64_t)(unsigned long)ctx); - if (ret < 0) { - if (loc) - gf_log (this->name, GF_LOG_DEBUG, - "%s (%"PRId64"): failed to set remote fd", - loc->path, loc->inode->ino); - else - gf_log (this->name, GF_LOG_DEBUG, - "%p: failed to set remote fd", - file); - } -out: - return; -} - - -static int -client_local_wipe (client_local_t *local) -{ - if (local) { - loc_wipe (&local->loc); - - if (local->fd) - fd_unref (local->fd); - - mem_put (local); - } - - return 0; -} - -/* - * lookup_frame - lookup call frame corresponding to a given callid - * @trans: transport object - * @callid: call id of the frame - * - * not for external reference - */ - -static call_frame_t * -lookup_frame (transport_t *trans, int32_t op, int8_t type, int64_t callid) -{ - client_connection_t *conn = NULL; - call_frame_t *frame = NULL; - - conn = trans->xl_private; - - pthread_mutex_lock (&conn->lock); - { - frame = saved_frames_get (conn->saved_frames, - op, type, callid); - } - pthread_mutex_unlock (&conn->lock); - - return frame; -} - - -static void -call_bail (void *data) -{ - client_connection_t *conn = NULL; - struct timeval current; - transport_t *trans = NULL; - struct list_head list; - struct saved_frame *saved_frame = NULL; - struct saved_frame *trav = NULL; - struct saved_frame *tmp = NULL; - call_frame_t *frame = NULL; - gf_hdr_common_t hdr = {0, }; - char **gf_op_list = NULL; - gf_op_t *gf_ops = NULL; - struct tm frame_sent_tm; - char frame_sent[32] = {0,}; - struct timeval timeout = {0,}; - gf_timer_cbk_t timer_cbk = NULL; - - GF_VALIDATE_OR_GOTO ("client", data, out); - trans = data; - - conn = trans->xl_private; - - gettimeofday (¤t, NULL); - INIT_LIST_HEAD (&list); - - pthread_mutex_lock (&conn->lock); - { - /* Chaining to get call-always functionality from - call-once timer */ - if (conn->timer) { - timer_cbk = conn->timer->callbk; - - timeout.tv_sec = 10; - timeout.tv_usec = 0; - - gf_timer_call_cancel (trans->xl->ctx, conn->timer); - conn->timer = gf_timer_call_after (trans->xl->ctx, - timeout, - timer_cbk, - trans); - if (conn->timer == NULL) { - gf_log (trans->xl->name, GF_LOG_DEBUG, - "Cannot create bailout timer"); - } - } - - do { - saved_frame = - saved_frames_get_timedout (conn->saved_frames, - GF_OP_TYPE_MOP_REQUEST, - conn->frame_timeout, - ¤t); - if (saved_frame) - list_add (&saved_frame->list, &list); - - } while (saved_frame); - - do { - saved_frame = - saved_frames_get_timedout (conn->saved_frames, - GF_OP_TYPE_FOP_REQUEST, - conn->frame_timeout, - ¤t); - if (saved_frame) - list_add (&saved_frame->list, &list); - } while (saved_frame); - - do { - saved_frame = - saved_frames_get_timedout (conn->saved_frames, - GF_OP_TYPE_CBK_REQUEST, - conn->frame_timeout, - ¤t); - if (saved_frame) - list_add (&saved_frame->list, &list); - } while (saved_frame); - } - pthread_mutex_unlock (&conn->lock); - - hdr.rsp.op_ret = hton32 (-1); - hdr.rsp.op_errno = hton32 (ENOTCONN); - - list_for_each_entry_safe (trav, tmp, &list, list) { - switch (trav->type) - { - case GF_OP_TYPE_FOP_REQUEST: - gf_ops = gf_fops; - gf_op_list = gf_fop_list; - break; - case GF_OP_TYPE_MOP_REQUEST: - gf_ops = gf_mops; - gf_op_list = gf_mop_list; - break; - case GF_OP_TYPE_CBK_REQUEST: - gf_ops = gf_cbks; - gf_op_list = gf_cbk_list; - break; - default: - goto out; - } - - localtime_r (&trav->saved_at.tv_sec, &frame_sent_tm); - strftime (frame_sent, 32, "%Y-%m-%d %H:%M:%S", &frame_sent_tm); - - gf_log (trans->xl->name, GF_LOG_ERROR, - "bailing out frame %s(%d) " - "frame sent = %s. frame-timeout = %d", - gf_op_list[trav->op], trav->op, - frame_sent, conn->frame_timeout); - - hdr.type = hton32 (trav->type); - hdr.op = hton32 (trav->op); - - frame = trav->frame; - - gf_ops[trav->op] (frame, &hdr, sizeof (hdr), NULL); - - list_del_init (&trav->list); - GF_FREE (trav); - } -out: - return; -} - - -void -save_frame (transport_t *trans, call_frame_t *frame, - int32_t op, int8_t type, uint64_t callid) -{ - client_connection_t *conn = NULL; - struct timeval timeout = {0, }; - - - conn = trans->xl_private; - - saved_frames_put (conn->saved_frames, frame, op, type, callid); - - if (conn->timer == NULL && conn->frame_timeout) { - timeout.tv_sec = 10; - timeout.tv_usec = 0; - conn->timer = gf_timer_call_after (trans->xl->ctx, timeout, - call_bail, (void *) trans); - } -} - - - -void -client_ping_timer_expired (void *data) -{ - xlator_t *this = NULL; - transport_t *trans = NULL; - client_conf_t *conf = NULL; - client_connection_t *conn = NULL; - int disconnect = 0; - int transport_activity = 0; - struct timeval timeout = {0, }; - struct timeval current = {0, }; - - trans = data; - this = trans->xl; - conf = this->private; - conn = trans->xl_private; - - pthread_mutex_lock (&conn->lock); - { - if (conn->ping_timer) - gf_timer_call_cancel (trans->xl->ctx, - conn->ping_timer); - gettimeofday (¤t, NULL); - - pthread_mutex_lock (&conf->mutex); - { - if (((current.tv_sec - conf->last_received.tv_sec) < - conn->ping_timeout) - || ((current.tv_sec - conf->last_sent.tv_sec) < - conn->ping_timeout)) { - transport_activity = 1; - } - } - pthread_mutex_unlock (&conf->mutex); - - if (transport_activity) { - gf_log (this->name, GF_LOG_TRACE, - "ping timer expired but transport activity " - "detected - not bailing transport"); - conn->transport_activity = 0; - timeout.tv_sec = conn->ping_timeout; - timeout.tv_usec = 0; - - conn->ping_timer = - gf_timer_call_after (trans->xl->ctx, timeout, - client_ping_timer_expired, - (void *) trans); - if (conn->ping_timer == NULL) - gf_log (this->name, GF_LOG_DEBUG, - "unable to setup timer"); - - } else { - conn->ping_started = 0; - conn->ping_timer = NULL; - disconnect = 1; - } - } - pthread_mutex_unlock (&conn->lock); - if (disconnect) { - gf_log (this->name, GF_LOG_ERROR, - "Server %s has not responded in the last %d " - "seconds, disconnecting.", - conf->transport[0]->peerinfo.identifier, - conn->ping_timeout); - - transport_disconnect (conf->transport[0]); - transport_disconnect (conf->transport[1]); - } -} - - -void -client_start_ping (void *data) -{ - xlator_t *this = NULL; - transport_t *trans = NULL; - client_conf_t *conf = NULL; - client_connection_t *conn = NULL; - int32_t ret = -1; - gf_hdr_common_t *hdr = NULL; - struct timeval timeout = {0, }; - call_frame_t *dummy_frame = NULL; - size_t hdrlen = -1; - gf_mop_ping_req_t *req = NULL; - int frame_count = 0; - - - trans = data; - this = trans->xl; - conf = this->private; - conn = trans->xl_private; - - if (!conn->ping_timeout) - return; - - pthread_mutex_lock (&conn->lock); - { - if (conn->ping_timer) - gf_timer_call_cancel (trans->xl->ctx, conn->ping_timer); - - conn->ping_timer = NULL; - conn->ping_started = 0; - - if (conn->saved_frames) - /* treat the case where conn->saved_frames is NULL - as no pending frames */ - frame_count = conn->saved_frames->count; - - if ((frame_count == 0) || !conn->connected) { - /* using goto looked ugly here, - * hence getting out this way */ - /* unlock */ - pthread_mutex_unlock (&conn->lock); - return; - } - - if (frame_count < 0) { - gf_log (this->name, GF_LOG_TRACE, - "saved_frames->count is %"PRId64, - conn->saved_frames->count); - conn->saved_frames->count = 0; - } - - timeout.tv_sec = conn->ping_timeout; - timeout.tv_usec = 0; - - conn->ping_timer = - gf_timer_call_after (trans->xl->ctx, timeout, - client_ping_timer_expired, - (void *) trans); - - if (conn->ping_timer == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "unable to setup timer"); - } else { - conn->ping_started = 1; - } - } - pthread_mutex_unlock (&conn->lock); - - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - if (!hdr) - goto err; - - dummy_frame = create_frame (this, this->ctx->pool); - - if (!dummy_frame) - goto err; - - dummy_frame->local = trans; - - ret = protocol_client_xfer (dummy_frame, this, trans, - GF_OP_TYPE_MOP_REQUEST, GF_MOP_PING, - hdr, hdrlen, NULL, 0, NULL); - return; -err: - if (hdr) - GF_FREE (hdr); - - if (dummy_frame) - STACK_DESTROY (dummy_frame->root); - - return; -} - - -int -client_ping_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - xlator_t *this = NULL; - transport_t *trans = NULL; - client_connection_t *conn = NULL; - struct timeval timeout = {0, }; - int op_ret = 0; - - trans = frame->local; frame->local = NULL; - this = trans->xl; - conn = trans->xl_private; - - op_ret = ntoh32 (hdr->rsp.op_ret); - - if (op_ret == -1) { - /* timer expired and transport bailed out */ - gf_log (this->name, GF_LOG_DEBUG, "timer must have expired"); - goto out; - } - - pthread_mutex_lock (&conn->lock); - { - timeout.tv_sec = conn->ping_timeout; - timeout.tv_usec = 0; - - gf_timer_call_cancel (trans->xl->ctx, - conn->ping_timer); - - conn->ping_timer = - gf_timer_call_after (trans->xl->ctx, timeout, - client_start_ping, (void *)trans); - if (conn->ping_timer == NULL) - gf_log (this->name, GF_LOG_DEBUG, - "gf_timer_call_after() returned NULL"); - } - pthread_mutex_unlock (&conn->lock); -out: - STACK_DESTROY (frame->root); - return 0; -} - -int -client_encode_groups (call_frame_t *frame, gf_hdr_common_t *hdr) -{ - int i = 0; - if ((!frame) || (!hdr)) - return -1; - - hdr->req.ngrps = hton32 (frame->root->ngrps); - if (frame->root->ngrps == 0) - return 0; - - for (; i < frame->root->ngrps; ++i) - hdr->req.groups[i] = hton32 (frame->root->groups[i]); - - return 0; -} - - -int -protocol_client_xfer (call_frame_t *frame, xlator_t *this, transport_t *trans, - int type, int op, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iovec *vector, int count, - struct iobref *iobref) -{ - client_conf_t *conf = NULL; - client_connection_t *conn = NULL; - uint64_t callid = 0; - int32_t ret = -1; - int start_ping = 0; - gf_hdr_common_t rsphdr = {0, }; - - conf = this->private; - - if (!trans) { - /* default to bulk op since it is 'safer' */ - trans = conf->transport[CHANNEL_BULK]; - } - conn = trans->xl_private; - - pthread_mutex_lock (&conn->lock); - { - callid = ++conn->callid; - - hdr->callid = hton64 (callid); - hdr->op = hton32 (op); - hdr->type = hton32 (type); - - if (frame) { - hdr->req.uid = hton32 (frame->root->uid); - hdr->req.gid = hton32 (frame->root->gid); - hdr->req.pid = hton32 (frame->root->pid); - hdr->req.lk_owner = hton64 (frame->root->lk_owner); - client_encode_groups (frame, hdr); - } - - if (conn->connected == 0) - transport_connect (trans); - - ret = -1; - - if (conn->connected || - ((type == GF_OP_TYPE_MOP_REQUEST) && - (op == GF_MOP_SETVOLUME))) { - ret = transport_submit (trans, (char *)hdr, hdrlen, - vector, count, iobref); - } - - if ((ret >= 0) && frame) { - pthread_mutex_lock (&conf->mutex); - { - gettimeofday (&conf->last_sent, NULL); - } - pthread_mutex_unlock (&conf->mutex); - save_frame (trans, frame, op, type, callid); - } - - if (!conn->ping_started && (ret >= 0)) { - start_ping = 1; - } - } - pthread_mutex_unlock (&conn->lock); - - if (start_ping) - client_start_ping ((void *) trans); - - if (frame && (ret < 0)) { - rsphdr.op = op; - rsphdr.rsp.op_ret = hton32 (-1); - rsphdr.rsp.op_errno = hton32 (ENOTCONN); - - if (type == GF_OP_TYPE_FOP_REQUEST) { - rsphdr.type = GF_OP_TYPE_FOP_REPLY; - gf_fops[op] (frame, &rsphdr, sizeof (rsphdr), NULL); - } else if (type == GF_OP_TYPE_MOP_REQUEST) { - rsphdr.type = GF_OP_TYPE_MOP_REPLY; - gf_mops[op] (frame, &rsphdr, sizeof (rsphdr), NULL); - } else { - rsphdr.type = GF_OP_TYPE_CBK_REPLY; - gf_cbks[op] (frame, &rsphdr, sizeof (rsphdr), NULL); - } - - GF_FREE (hdr); - } - - return ret; -} - - - -/** - * client_create - create function for client protocol - * @frame: call frame - * @this: this translator structure - * @path: complete path to file - * @flags: create flags - * @mode: create mode - * - * external reference through client_protocol_xlator->fops->create - */ - -int -client_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, - mode_t mode, fd_t *fd, dict_t *params) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_create_req_t *req = NULL; - size_t hdrlen = 0; - size_t pathlen = 0; - size_t baselen = 0; - int32_t ret = -1; - ino_t par = 0; - uint64_t gen = 0; - client_local_t *local = NULL; - - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - local->fd = fd_ref (fd); - loc_copy (&local->loc, loc); - local->flags = flags; - - frame->local = local; - - pathlen = STRLEN_0 (loc->path); - baselen = STRLEN_0 (loc->name); - - ret = inode_ctx_get2 (loc->parent, this, &par, &gen); - if (loc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "CREATE %"PRId64"/%s (%s): failed to get remote inode " - "number for parent inode", - loc->parent->ino, loc->name, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + baselen); - hdr = gf_hdr_new (req, pathlen + baselen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->flags = hton32 (gf_flags_from_flags (flags)); - req->mode = hton32 (mode); - req->par = hton64 (par); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - strcpy (req->bname + pathlen, loc->name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_CREATE, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, fd, NULL, NULL); - return 0; - -} - -/** - * client_open - open function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location of file - * @flags: open flags - * @mode: open modes - * - * external reference through client_protocol_xlator->fops->open - */ - -int -client_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, - fd_t *fd, int32_t wbflags) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - gf_fop_open_req_t *req = NULL; - size_t pathlen = 0; - ino_t ino = 0; - uint64_t gen = 0; - client_local_t *local = NULL; - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - local->fd = fd_ref (fd); - loc_copy (&local->loc, loc); - local->flags = flags; - local->wbflags = wbflags; - - frame->local = local; - - pathlen = STRLEN_0 (loc->path); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "OPEN %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->flags = hton32 (gf_flags_from_flags (flags)); - req->wbflags = hton32 (wbflags); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_OPEN, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, fd); - return 0; - -} - - -/** - * client_stat - stat function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * - * external reference through client_protocol_xlator->fops->stat - */ - -int -client_stat (call_frame_t *frame, xlator_t *this, loc_t *loc) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_stat_req_t *req = NULL; - size_t hdrlen = -1; - int32_t ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - ino_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_TRACE, - "STAT %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_STAT, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - -} - - -/** - * client_readlink - readlink function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * @size: - * - * external reference through client_protocol_xlator->fops->readlink - */ -int -client_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_readlink_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - uint64_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "READLINK %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->size = hton32 (size); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_READLINK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND_STRICT (readlink, frame, -1, EINVAL, - NULL, NULL); - return 0; - -} - - -/** - * client_mknod - mknod function for client protocol - * @frame: call frame - * @this: this translator structure - * @path: pathname of node - * @mode: - * @dev: - * - * external reference through client_protocol_xlator->fops->mknod - */ -int -client_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, - dev_t dev, dict_t *params) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_mknod_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - size_t baselen = 0; - ino_t par = 0; - uint64_t gen = 0; - client_local_t *local = NULL; - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - loc_copy (&local->loc, loc); - - frame->local = local; - - pathlen = STRLEN_0 (loc->path); - baselen = STRLEN_0 (loc->name); - ret = inode_ctx_get2 (loc->parent, this, &par, &gen); - if (loc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "MKNOD %"PRId64"/%s (%s): failed to get remote inode " - "number for parent", - loc->parent->ino, loc->name, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + baselen); - hdr = gf_hdr_new (req, pathlen + baselen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->par = hton64 (par); - req->gen = hton64 (gen); - req->mode = hton32 (mode); - req->dev = hton64 (dev); - strcpy (req->path, loc->path); - strcpy (req->bname + pathlen, loc->name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_MKNOD, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, loc->inode, NULL); - return 0; - -} - - -/** - * client_mkdir - mkdir function for client protocol - * @frame: call frame - * @this: this translator structure - * @path: pathname of directory - * @mode: - * - * external reference through client_protocol_xlator->fops->mkdir - */ -int -client_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, - dict_t *params) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_mkdir_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - size_t baselen = 0; - ino_t par = 0; - uint64_t gen = 0; - client_local_t *local = NULL; - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - loc_copy (&local->loc, loc); - - frame->local = local; - - pathlen = STRLEN_0 (loc->path); - baselen = STRLEN_0 (loc->name); - ret = inode_ctx_get2 (loc->parent, this, &par, &gen); - if (loc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "MKDIR %"PRId64"/%s (%s): failed to get remote inode " - "number for parent", - loc->parent->ino, loc->name, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + baselen); - hdr = gf_hdr_new (req, pathlen + baselen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->par = hton64 (par); - req->gen = hton64 (gen); - req->mode = hton32 (mode); - strcpy (req->path, loc->path); - strcpy (req->bname + pathlen, loc->name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_MKDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, loc->inode, NULL); - return 0; - -} - -/** - * client_unlink - unlink function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location of file - * - * external reference through client_protocol_xlator->fops->unlink - */ - -int -client_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_unlink_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - size_t baselen = 0; - ino_t par = 0; - uint64_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - baselen = STRLEN_0 (loc->name); - ret = inode_ctx_get2 (loc->parent, this, &par, &gen); - if (loc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "UNLINK %"PRId64"/%s (%s): failed to get remote inode " - "number for parent", - loc->parent->ino, loc->name, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + baselen); - hdr = gf_hdr_new (req, pathlen + baselen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->par = hton64 (par); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - strcpy (req->bname + pathlen, loc->name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_UNLINK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL); - return 0; - -} - -/** - * client_rmdir - rmdir function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * - * external reference through client_protocol_xlator->fops->rmdir - */ - -int -client_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_rmdir_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - size_t baselen = 0; - ino_t par = 0; - uint64_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - baselen = STRLEN_0 (loc->name); - ret = inode_ctx_get2 (loc->parent, this, &par, &gen); - if (loc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "RMDIR %"PRId64"/%s (%s): failed to get remote inode " - "number for parent", - loc->parent->ino, loc->name, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + baselen); - hdr = gf_hdr_new (req, pathlen + baselen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->par = hton64 (par); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - strcpy (req->bname + pathlen, loc->name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_RMDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL); - return 0; - -} - - -/** - * client_symlink - symlink function for client protocol - * @frame: call frame - * @this: this translator structure - * @oldpath: pathname of target - * @newpath: pathname of symlink - * - * external reference through client_protocol_xlator->fops->symlink - */ - -int -client_symlink (call_frame_t *frame, xlator_t *this, const char *linkname, - loc_t *loc, dict_t *params) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_symlink_req_t *req = NULL; - size_t hdrlen = 0; - size_t pathlen = 0; - size_t newlen = 0; - size_t baselen = 0; - ino_t par = 0; - uint64_t gen = 0; - client_local_t *local = NULL; - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - loc_copy (&local->loc, loc); - - frame->local = local; - - pathlen = STRLEN_0 (loc->path); - baselen = STRLEN_0 (loc->name); - newlen = STRLEN_0 (linkname); - ret = inode_ctx_get2 (loc->parent, this, &par, &gen); - if (loc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "SYMLINK %"PRId64"/%s (%s): failed to get remote inode" - " number parent", - loc->parent->ino, loc->name, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + baselen + newlen); - hdr = gf_hdr_new (req, pathlen + baselen + newlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->par = hton64 (par); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - strcpy (req->bname + pathlen, loc->name); - strcpy (req->linkname + pathlen + baselen, linkname); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_SYMLINK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, loc->inode, NULL); - return 0; - -} - -/** - * client_rename - rename function for client protocol - * @frame: call frame - * @this: this translator structure - * @oldloc: location of old pathname - * @newloc: location of new pathname - * - * external reference through client_protocol_xlator->fops->rename - */ - -int -client_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, - loc_t *newloc) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_rename_req_t *req = NULL; - size_t hdrlen = 0; - size_t oldpathlen = 0; - size_t oldbaselen = 0; - size_t newpathlen = 0; - size_t newbaselen = 0; - ino_t oldpar = 0; - uint64_t oldgen = 0; - ino_t newpar = 0; - uint64_t newgen = 0; - - oldpathlen = STRLEN_0 (oldloc->path); - oldbaselen = STRLEN_0 (oldloc->name); - newpathlen = STRLEN_0 (newloc->path); - newbaselen = STRLEN_0 (newloc->name); - ret = inode_ctx_get2 (oldloc->parent, this, &oldpar, &oldgen); - if (oldloc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "RENAME %"PRId64"/%s (%s): failed to get remote inode " - "number for source parent", - oldloc->parent->ino, oldloc->name, oldloc->path); - goto unwind; - } - - ret = inode_ctx_get2 (newloc->parent, this, &newpar, &newgen); - if (newloc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "CREATE %"PRId64"/%s (%s): failed to get remote inode " - "number for destination parent", - newloc->parent->ino, newloc->name, newloc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, (oldpathlen + oldbaselen + - newpathlen + newbaselen)); - hdr = gf_hdr_new (req, (oldpathlen + oldbaselen + - newpathlen + newbaselen)); - - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->oldpar = hton64 (oldpar); - req->oldgen = hton64 (oldgen); - req->newpar = hton64 (newpar); - req->newgen = hton64 (newgen); - - strcpy (req->oldpath, oldloc->path); - strcpy (req->oldbname + oldpathlen, oldloc->name); - strcpy (req->newpath + oldpathlen + oldbaselen, newloc->path); - strcpy (req->newbname + oldpathlen + oldbaselen + newpathlen, - newloc->name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_RENAME, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - -} - -/** - * client_link - link function for client protocol - * @frame: call frame - * @this: this translator structure - * @oldloc: location of old pathname - * @newpath: new pathname - * - * external reference through client_protocol_xlator->fops->link - */ - -int -client_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_link_req_t *req = NULL; - size_t hdrlen = 0; - size_t oldpathlen = 0; - size_t newpathlen = 0; - size_t newbaselen = 0; - ino_t oldino = 0; - uint64_t oldgen = 0; - ino_t newpar = 0; - uint64_t newgen = 0; - client_local_t *local = NULL; - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - loc_copy (&local->loc, oldloc); - - frame->local = local; - - oldpathlen = STRLEN_0 (oldloc->path); - newpathlen = STRLEN_0 (newloc->path); - newbaselen = STRLEN_0 (newloc->name); - - ret = inode_ctx_get2 (oldloc->inode, this, &oldino, &oldgen); - if (oldloc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "LINK %"PRId64"/%s (%s) ==> %"PRId64" (%s): " - "failed to get remote inode number for source inode", - newloc->parent->ino, newloc->name, newloc->path, - oldloc->ino, oldloc->path); - goto unwind; - } - - ret = inode_ctx_get2 (newloc->parent, this, &newpar, &newgen); - if (newloc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "LINK %"PRId64"/%s (%s) ==> %"PRId64" (%s): " - "failed to get remote inode number destination parent", - newloc->parent->ino, newloc->name, newloc->path, - oldloc->ino, oldloc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, oldpathlen + newpathlen + newbaselen); - hdr = gf_hdr_new (req, oldpathlen + newpathlen + newbaselen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - strcpy (req->oldpath, oldloc->path); - strcpy (req->newpath + oldpathlen, newloc->path); - strcpy (req->newbname + oldpathlen + newpathlen, newloc->name); - - req->oldino = hton64 (oldino); - req->oldgen = hton64 (oldgen); - req->newpar = hton64 (newpar); - req->newgen = hton64 (newgen); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_LINK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, oldloc->inode, NULL); - return 0; -} - - -/** - * client_truncate - truncate function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * @offset: - * - * external reference through client_protocol_xlator->fops->truncate - */ - -int -client_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_truncate_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - uint64_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "TRUNCATE %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->offset = hton64 (offset); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_TRUNCATE, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - -} - - -/** - * client_readv - readv function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * @size: - * @offset: - * - * external reference through client_protocol_xlator->fops->readv - */ - -int -client_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, - off_t offset) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_read_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx, EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL, 0, NULL); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx, EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL, 0, NULL); - return 0; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - req->size = hton32 (size); - req->offset = hton64 (offset); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_READ, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, NULL, 0, NULL); - return 0; - -} - -/** - * client_writev - writev function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * @vector: - * @count: - * @offset: - * - * external reference through client_protocol_xlator->fops->writev - */ - -int -client_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, - struct iovec *vector, int32_t count, off_t offset, - struct iobref *iobref) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_write_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - req->size = hton32 (iov_length (vector, count)); - req->offset = hton64 (offset); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_WRITE, - hdr, hdrlen, vector, count, iobref); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - -} - - -/** - * client_statfs - statfs function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * - * external reference through client_protocol_xlator->fops->statfs - */ - -int -client_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_statfs_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - ino_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - - if (loc->inode) { - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "STATFS %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - } - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_STATFS, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - -} - - -/** - * client_flush - flush function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * - * external reference through client_protocol_xlator->fops->flush - */ - -int -client_flush (call_frame_t *frame, xlator_t *this, fd_t *fd) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_flush_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FLUSH, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL); - return 0; - -} - -/** - * client_fsync - fsync function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * @flags: - * - * external reference through client_protocol_xlator->fops->fsync - */ - -int -client_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsync_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int32_t ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - req->data = hton32 (flags); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FSYNC, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL); - return 0; - -} - -int -client_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc, - gf_xattrop_flags_t flags, dict_t *dict) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_xattrop_req_t *req = NULL; - size_t hdrlen = 0; - size_t dict_len = 0; - int32_t ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - uint64_t gen = 0; - char *buf = NULL; - - GF_VALIDATE_OR_GOTO ("client", this, unwind); - - GF_VALIDATE_OR_GOTO (this->name, loc, unwind); - - if (dict) { - ret = dict_allocate_and_serialize (dict, &buf, &dict_len); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - } - - pathlen = STRLEN_0 (loc->path); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "XATTROP %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, dict_len + pathlen); - hdr = gf_hdr_new (req, dict_len + pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->flags = hton32 (flags); - req->dict_len = hton32 (dict_len); - if (dict) { - memcpy (req->dict, buf, dict_len); - GF_FREE (buf); - } - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - strcpy (req->path + dict_len, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_XATTROP, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; -} - - -int -client_fxattrop (call_frame_t *frame, xlator_t *this, fd_t *fd, - gf_xattrop_flags_t flags, dict_t *dict) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fxattrop_req_t *req = NULL; - size_t hdrlen = 0; - size_t dict_len = 0; - int64_t remote_fd = -1; - int32_t ret = -1; - ino_t ino = 0; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - if (dict) { - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - } - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. " - "returning EBADFD", - fd->inode->ino); - goto unwind; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - goto unwind; - } - - ino = fd->inode->ino; - remote_fd = fdctx->remote_fd; - - hdrlen = gf_hdr_len (req, dict_len); - hdr = gf_hdr_new (req, dict_len); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->flags = hton32 (flags); - req->dict_len = hton32 (dict_len); - if (dict) { - ret = dict_serialize (dict, req->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to serialize dictionary(%p)", - dict); - goto unwind; - } - } - req->fd = hton64 (remote_fd); - req->ino = hton64 (ino); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FXATTROP, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - -} - -/** - * client_setxattr - setxattr function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * @dict: dictionary which contains key:value to be set. - * @flags: - * - * external reference through client_protocol_xlator->fops->setxattr - */ - -int -client_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - dict_t *dict, int32_t flags) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_setxattr_req_t *req = NULL; - size_t hdrlen = 0; - size_t dict_len = 0; - int ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - uint64_t gen = 0; - - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - - pathlen = STRLEN_0 (loc->path); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "SETXATTR %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, dict_len + pathlen); - hdr = gf_hdr_new (req, dict_len + pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->flags = hton32 (flags); - req->dict_len = hton32 (dict_len); - - ret = dict_serialize (dict, req->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to serialize dictionary(%p)", - dict); - goto unwind; - } - - strcpy (req->path + dict_len, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_SETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL); - return 0; -} - -/** - * client_fsetxattr - fsetxattr function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: fd - * @dict: dictionary which contains key:value to be set. - * @flags: - * - * external reference through client_protocol_xlator->fops->fsetxattr - */ - -int -client_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, - dict_t *dict, int32_t flags) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsetxattr_req_t *req = NULL; - size_t hdrlen = 0; - size_t dict_len = 0; - ino_t ino; - int ret = -1; - int64_t remote_fd = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - goto unwind; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - goto unwind; - } - - ino = fd->inode->ino; - remote_fd = fdctx->remote_fd; - - hdrlen = gf_hdr_len (req, dict_len); - hdr = gf_hdr_new (req, dict_len); - - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->fd = hton64 (remote_fd); - req->flags = hton32 (flags); - req->dict_len = hton32 (dict_len); - - ret = dict_serialize (dict, req->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to serialize dictionary(%p)", - dict); - goto unwind; - } - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FSETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL); - return 0; -} - -/** - * client_getxattr - getxattr function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location structure - * - * external reference through client_protocol_xlator->fops->getxattr - */ - -int -client_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - const char *name) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_getxattr_req_t *req = NULL; - size_t hdrlen = 0; - size_t pathlen = 0; - size_t namelen = 0; - ino_t ino = 0; - uint64_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - if (name) - namelen = STRLEN_0 (name); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + namelen); - hdr = gf_hdr_new (req, pathlen + namelen); - GF_VALIDATE_OR_GOTO (frame->this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->namelen = hton32 (namelen); - strcpy (req->path, loc->path); - if (name) - strcpy (req->name + pathlen, name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_GETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; -} - - -/** - * client_fgetxattr - fgetxattr function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: fd - * - * external reference through client_protocol_xlator->fops->fgetxattr - */ - -int -client_fgetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, - const char *name) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_fgetxattr_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - size_t namelen = 0; - ino_t ino = 0; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - if (name) - namelen = STRLEN_0 (name); - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get remote fd. EBADFD", - fd->inode->ino); - goto unwind; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - goto unwind; - } - - ino = fd->inode->ino; - remote_fd = fdctx->remote_fd; - - hdrlen = gf_hdr_len (req, namelen); - hdr = gf_hdr_new (req, namelen); - - GF_VALIDATE_OR_GOTO (frame->this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->fd = hton64 (remote_fd); - req->namelen = hton32 (namelen); - - if (name) - strcpy (req->name, name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FGETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; -} - - -/** - * client_removexattr - removexattr function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location structure - * @name: - * - * external reference through client_protocol_xlator->fops->removexattr - */ - -int -client_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - const char *name) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_removexattr_req_t *req = NULL; - size_t hdrlen = 0; - size_t namelen = 0; - size_t pathlen = 0; - ino_t ino = 0; - uint64_t gen = 0; - - pathlen = STRLEN_0 (loc->path); - namelen = STRLEN_0 (name); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "REMOVEXATTR %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + namelen); - hdr = gf_hdr_new (req, pathlen + namelen); - GF_VALIDATE_OR_GOTO (frame->this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - strcpy (req->name + pathlen, name); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_REMOVEXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL); - return 0; -} - -/** - * client_opendir - opendir function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location structure - * - * external reference through client_protocol_xlator->fops->opendir - */ - -int -client_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, - fd_t *fd) -{ - gf_fop_opendir_req_t *req = NULL; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - int ret = -1; - ino_t ino = 0; - uint64_t gen = 0; - size_t pathlen = 0; - client_local_t *local = NULL; - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - loc_copy (&local->loc, loc); - local->fd = fd_ref (fd); - - frame->local = local; - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "OPENDIR %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - pathlen = STRLEN_0 (loc->path); - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (frame->this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_OPENDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, fd); - return 0; - -} - -/** - * client_readdirp - readdirp function for client protocol - * @frame: call frame - * @this: this translator structure - * - * external reference through client_protocol_xlator->fops->readdirp - */ - -int -client_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, - off_t offset) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_readdirp_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, "(%"PRId64"): failed to get" - " fd ctx. EBADFD", fd->inode->ino); - goto unwind; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, "(%"PRId64"): failed to get" - " fd ctx. EBADFD", fd->inode->ino); - goto unwind; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req->fd = hton64 (remote_fd); - req->size = hton32 (size); - req->offset = hton64 (offset); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_READDIRP, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - -} - - -/** - * client_readdir - readdir function for client protocol - * @frame: call frame - * @this: this translator structure - * - * external reference through client_protocol_xlator->fops->readdir - */ - -int -client_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, - off_t offset) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_readdir_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - goto unwind; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, "(%"PRId64"): failed to get" - " fd ctx. EBADFD", fd->inode->ino); - goto unwind; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req->fd = hton64 (remote_fd); - req->size = hton32 (size); - req->offset = hton64 (offset); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_READDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - -} - -/** - * client_fsyncdir - fsyncdir function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * @flags: - * - * external reference through client_protocol_xlator->fops->fsyncdir - */ - -int -client_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsyncdir_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int32_t ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - goto unwind; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, "(%"PRId64"): failed to get" - " fd ctx. EBADFD", fd->inode->ino); - goto unwind; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->data = hton32 (flags); - req->fd = hton64 (remote_fd); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FSYNCDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - STACK_UNWIND (frame, -1, EBADFD); - return 0; -} - -/** - * client_access - access function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location structure - * @mode: - * - * external reference through client_protocol_xlator->fops->access - */ - -int -client_access (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_access_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - ino_t ino = 0; - uint64_t gen = 0; - size_t pathlen = 0; - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "ACCESS %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - pathlen = STRLEN_0 (loc->path); - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->mask = hton32 (mask); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_ACCESS, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL); - return 0; - -} - -/** - * client_ftrucate - ftruncate function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * @offset: offset to truncate to - * - * external reference through client_protocol_xlator->fops->ftruncate - */ - -int -client_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, - off_t offset) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_ftruncate_req_t *req = NULL; - int64_t remote_fd = -1; - size_t hdrlen = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, "(%"PRId64"): failed to get" - " fd ctx. EBADFD", fd->inode->ino); - goto unwind; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - req->offset = hton64 (offset); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FTRUNCATE, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - -} - -/** - * client_fstat - fstat function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * - * external reference through client_protocol_xlator->fops->fstat - */ - -int -client_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fstat_req_t *req = NULL; - int64_t remote_fd = -1; - size_t hdrlen = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, "(%"PRId64"): failed to get" - " fd ctx. EBADFD", fd->inode->ino); - goto unwind; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FSTAT, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; - -} - -/** - * client_lk - lk function for client protocol - * @frame: call frame - * @this: this translator structure - * @fd: file descriptor structure - * @cmd: lock command - * @lock: - * - * external reference through client_protocol_xlator->fops->lk - */ - -int -client_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd, - struct gf_flock *flock) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_lk_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int32_t gf_cmd = 0; - int32_t gf_type = 0; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, "(%"PRId64"): failed to get" - " fd ctx. EBADFD", fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - remote_fd = fdctx->remote_fd; - if (cmd == F_GETLK || cmd == F_GETLK64) - gf_cmd = GF_LK_GETLK; - else if (cmd == F_SETLK || cmd == F_SETLK64) - gf_cmd = GF_LK_SETLK; - else if (cmd == F_SETLKW || cmd == F_SETLKW64) - gf_cmd = GF_LK_SETLKW; - else { - gf_log (this->name, GF_LOG_DEBUG, - "Unknown cmd (%d)!", gf_cmd); - goto unwind; - } - - switch (flock->l_type) { - case F_RDLCK: - gf_type = GF_LK_F_RDLCK; - break; - case F_WRLCK: - gf_type = GF_LK_F_WRLCK; - break; - case F_UNLCK: - gf_type = GF_LK_F_UNLCK; - break; - } - - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - req->cmd = hton32 (gf_cmd); - req->type = hton32 (gf_type); - gf_flock_from_flock (&req->flock, flock); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_LK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; -} - -/** - * client_inodelk - inodelk function for client protocol - * @frame: call frame - * @this: this translator structure - * @inode: inode structure - * @cmd: lock command - * @lock: flock struct - * - * external reference through client_protocol_xlator->fops->inodelk - */ - -int -client_inodelk (call_frame_t *frame, xlator_t *this, const char *volume, - loc_t *loc, int32_t cmd, struct gf_flock *flock) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_inodelk_req_t *req = NULL; - size_t hdrlen = 0; - int32_t gf_cmd = 0; - int32_t gf_type = 0; - ino_t ino = 0; - uint64_t gen = 0; - size_t pathlen = 0; - size_t vollen = 0; - - pathlen = STRLEN_0 (loc->path); - vollen = STRLEN_0 (volume); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "INODELK %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - if (cmd == F_GETLK || cmd == F_GETLK64) - gf_cmd = GF_LK_GETLK; - else if (cmd == F_SETLK || cmd == F_SETLK64) - gf_cmd = GF_LK_SETLK; - else if (cmd == F_SETLKW || cmd == F_SETLKW64) - gf_cmd = GF_LK_SETLKW; - else { - gf_log (this->name, GF_LOG_DEBUG, - "Unknown cmd (%d)!", gf_cmd); - goto unwind; - } - - switch (flock->l_type) { - case F_RDLCK: - gf_type = GF_LK_F_RDLCK; - break; - case F_WRLCK: - gf_type = GF_LK_F_WRLCK; - break; - case F_UNLCK: - gf_type = GF_LK_F_UNLCK; - break; - } - - hdrlen = gf_hdr_len (req, pathlen + vollen); - hdr = gf_hdr_new (req, pathlen + vollen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - strcpy (req->path, loc->path); - strcpy (req->path + pathlen, volume); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - - req->cmd = hton32 (gf_cmd); - req->type = hton32 (gf_type); - gf_flock_from_flock (&req->flock, flock); - - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, - GF_PROTO_FOP_INODELK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL); - return 0; - -} - - -/** - * client_finodelk - finodelk function for client protocol - * @frame: call frame - * @this: this translator structure - * @inode: inode structure - * @cmd: lock command - * @lock: flock struct - * - * external reference through client_protocol_xlator->fops->finodelk - */ - -int -client_finodelk (call_frame_t *frame, xlator_t *this, const char *volume, - fd_t *fd, int32_t cmd, struct gf_flock *flock) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - gf_fop_finodelk_req_t *req = NULL; - size_t hdrlen = 0; - size_t vollen = 0; - int32_t gf_cmd = 0; - int32_t gf_type = 0; - int64_t remote_fd = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - vollen = STRLEN_0 (volume); - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - remote_fd = fdctx->remote_fd; - if (cmd == F_GETLK || cmd == F_GETLK64) - gf_cmd = GF_LK_GETLK; - else if (cmd == F_SETLK || cmd == F_SETLK64) - gf_cmd = GF_LK_SETLK; - else if (cmd == F_SETLKW || cmd == F_SETLKW64) - gf_cmd = GF_LK_SETLKW; - else { - gf_log (this->name, GF_LOG_DEBUG, - "Unknown cmd (%d)!", gf_cmd); - goto unwind; - } - - switch (flock->l_type) { - case F_RDLCK: - gf_type = GF_LK_F_RDLCK; - break; - case F_WRLCK: - gf_type = GF_LK_F_WRLCK; - break; - case F_UNLCK: - gf_type = GF_LK_F_UNLCK; - break; - } - - hdrlen = gf_hdr_len (req, vollen); - hdr = gf_hdr_new (req, vollen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - strcpy (req->volume, volume); - - req->fd = hton64 (remote_fd); - - req->cmd = hton32 (gf_cmd); - req->type = hton32 (gf_type); - gf_flock_from_flock (&req->flock, flock); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, - GF_PROTO_FOP_FINODELK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL); - return 0; -} - - -int -client_entrylk (call_frame_t *frame, xlator_t *this, const char *volume, - loc_t *loc, const char *name, entrylk_cmd cmd, - entrylk_type type) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_entrylk_req_t *req = NULL; - size_t pathlen = 0; - size_t vollen = 0; - size_t hdrlen = -1; - int ret = -1; - ino_t ino = 0; - uint64_t gen = 0; - size_t namelen = 0; - - pathlen = STRLEN_0 (loc->path); - vollen = STRLEN_0 (volume); - - if (name) - namelen = STRLEN_0 (name); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "ENTRYLK %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen + vollen + namelen); - hdr = gf_hdr_new (req, pathlen + vollen + namelen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->namelen = hton64 (namelen); - - strcpy (req->path, loc->path); - if (name) - strcpy (req->name + pathlen, name); - strcpy (req->volume + pathlen + namelen, volume); - - req->cmd = hton32 (cmd); - req->type = hton32 (type); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_ENTRYLK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL); - return 0; - -} - - -int -client_fentrylk (call_frame_t *frame, xlator_t *this, const char *volume, - fd_t *fd, const char *name, entrylk_cmd cmd, - entrylk_type type) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fentrylk_req_t *req = NULL; - int64_t remote_fd = -1; - size_t vollen = 0; - size_t namelen = 0; - size_t hdrlen = -1; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - if (name) - namelen = STRLEN_0 (name); - - conf = this->private; - - vollen = STRLEN_0 (volume); - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, namelen + vollen); - hdr = gf_hdr_new (req, namelen + vollen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - req->namelen = hton64 (namelen); - - if (name) - strcpy (req->name, name); - - strcpy (req->volume + namelen, volume); - - req->cmd = hton32 (cmd); - req->type = hton32 (type); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FENTRYLK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - - STACK_UNWIND (frame, -1, EINVAL); - return 0; -} - -/* - * client_lookup - lookup function for client protocol - * @frame: call frame - * @this: - * @loc: location - * - * not for external reference - */ - -int -client_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, - dict_t *xattr_req) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_lookup_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - ino_t ino = 0; - ino_t par = 0; - uint64_t gen = 0; - size_t dictlen = 0; - size_t pathlen = 0; - size_t baselen = 0; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - client_local_t *local = NULL; - char *buf = NULL; - - GF_VALIDATE_OR_GOTO (this->name, loc, unwind); - GF_VALIDATE_OR_GOTO (this->name, loc->path, unwind); - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - GF_VALIDATE_OR_GOTO (this->name, local, unwind); - - loc_copy (&local->loc, loc); - - frame->local = local; - - if (loc->ino != 1 && loc->parent) { - ret = inode_ctx_get2 (loc->parent, this, &par, &gen); - if (loc->parent->ino && ret < 0) { - gf_log (this->name, GF_LOG_TRACE, - "LOOKUP %"PRId64"/%s (%s): failed to get " - "remote inode number for parent", - loc->parent->ino, loc->name, loc->path); - goto unwind; - } - GF_VALIDATE_OR_GOTO (this->name, loc->name, unwind); - baselen = STRLEN_0 (loc->name); - } else { - ino = 1; - } - - pathlen = STRLEN_0 (loc->path); - - if (xattr_req) { - ret = dict_allocate_and_serialize (xattr_req, &buf, &dictlen); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get serialized length of dict(%p)", - xattr_req); - goto unwind; - } - } - - hdrlen = gf_hdr_len (req, pathlen + baselen + dictlen); - hdr = gf_hdr_new (req, pathlen + baselen + dictlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - req->par = hton64 (par); - strcpy (req->path, loc->path); - if (baselen) - strcpy (req->path + pathlen, loc->name); - - if (dictlen > 0) { - memcpy (req->dict + pathlen + baselen, buf, dictlen); - GF_FREE (buf); - } - - req->dictlen = hton32 (dictlen); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_LOOKUP, - hdr, hdrlen, NULL, 0, NULL); - return ret; - -unwind: - STACK_UNWIND (frame, op_ret, op_errno, (loc)?loc->inode:NULL, NULL, NULL); - return ret; -} - - -int -client_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - struct iatt *stbuf, int32_t valid) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_setattr_req_t *req = NULL; - size_t hdrlen = 0; - size_t pathlen = 0; - ino_t ino = 0; - uint64_t gen = 0; - int ret = -1; - - GF_VALIDATE_OR_GOTO ("client", this, unwind); - GF_VALIDATE_OR_GOTO (this->name, frame, unwind); - - pathlen = STRLEN_0 (loc->path); - - ret = inode_ctx_get2 (loc->inode, this, &ino, &gen); - if (loc->inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_TRACE, - "SETATTR %"PRId64" (%s): " - "failed to get remote inode number", - loc->inode->ino, loc->path); - goto unwind; - } - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->ino = hton64 (ino); - req->gen = hton64 (gen); - strcpy (req->path, loc->path); - - gf_stat_from_iatt (&req->stbuf, stbuf); - req->valid = hton32 (valid); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_SETATTR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; -} - - -int -client_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd, - struct iatt *stbuf, int32_t valid) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsetattr_req_t *req = NULL; - size_t hdrlen = 0; - int ret = -1; - client_fd_ctx_t *fdctx = NULL; - int64_t remote_fd = -1; - client_conf_t *conf = NULL; - - GF_VALIDATE_OR_GOTO ("client", this, unwind); - GF_VALIDATE_OR_GOTO (this->name, frame, unwind); - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL, NULL); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL, NULL); - return 0; - } - - remote_fd = fdctx->remote_fd; - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - - gf_stat_from_iatt (&req->stbuf, stbuf); - req->valid = hton32 (valid); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_FSETATTR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - STACK_UNWIND (frame, -1, EINVAL, NULL, NULL); - return 0; -} - - -int -client_fdctx_destroy (xlator_t *this, client_fd_ctx_t *fdctx) -{ - call_frame_t *fr = NULL; - int32_t ret = -1; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - gf_cbk_release_req_t *req = NULL; - gf_cbk_releasedir_req_t *reqdir = NULL; - int64_t remote_fd = -1; - int op = 0; - - remote_fd = fdctx->remote_fd; - - if (remote_fd == -1) - goto out; - - if (fdctx->is_dir) { - hdrlen = gf_hdr_len (reqdir, 0); - hdr = gf_hdr_new (reqdir, 0); - op = GF_CBK_RELEASEDIR; - reqdir = gf_param (hdr); - reqdir->fd = hton64 (remote_fd); - } else { - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - op = GF_CBK_RELEASE; - req = gf_param (hdr); - req->fd = hton64 (remote_fd); - } - - fr = create_frame (this, this->ctx->pool); - - ret = protocol_client_xfer (fr, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_CBK_REQUEST, op, - hdr, hdrlen, NULL, 0, NULL); - -out: - inode_unref (fdctx->inode); - GF_FREE (fdctx); - - return ret; -} - - -/** - * client_releasedir - releasedir function for client protocol - * @this: this translator structure - * @fd: file descriptor structure - * - * external reference through client_protocol_xlator->cbks->releasedir - */ - -int -client_releasedir (xlator_t *this, fd_t *fd) -{ - int64_t remote_fd = -1; - client_conf_t *conf = NULL; - client_fd_ctx_t *fdctx = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_del_ctx (fd, this); - if (fdctx != NULL) { - remote_fd = fdctx->remote_fd; - - /* fdctx->remote_fd == -1 indicates a reopen attempt - in progress. Just mark ->released = 1 and let - reopen_cbk handle releasing - */ - - if (remote_fd != -1) - list_del_init (&fdctx->sfd_pos); - - fdctx->released = 1; - } - } - pthread_mutex_unlock (&conf->mutex); - - if (remote_fd != -1) - client_fdctx_destroy (this, fdctx); - - return 0; -} - - -/** - * client_release - release function for client protocol - * @this: this translator structure - * @fd: file descriptor structure - * - * external reference through client_protocol_xlator->cbks->release - * - */ -int -client_release (xlator_t *this, fd_t *fd) -{ - int64_t remote_fd = -1; - client_conf_t *conf = NULL; - client_fd_ctx_t *fdctx = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_del_ctx (fd, this); - if (fdctx != NULL) { - remote_fd = fdctx->remote_fd; - - /* fdctx->remote_fd == -1 indicates a reopen attempt - in progress. Just mark ->released = 1 and let - reopen_cbk handle releasing - */ - - if (remote_fd != -1) - list_del_init (&fdctx->sfd_pos); - - fdctx->released = 1; - } - } - pthread_mutex_unlock (&conf->mutex); - - if (remote_fd != -1) - client_fdctx_destroy (this, fdctx); - - return 0; -} - -/* - * MGMT_OPS - */ - -/* Callbacks */ - -int -client_fxattrop_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_xattrop_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t gf_errno = 0; - int32_t op_errno = 0; - int32_t dict_len = 0; - dict_t *dict = NULL; - int32_t ret = -1; - char *dictbuf = NULL; - - rsp = gf_param (hdr); - GF_VALIDATE_OR_GOTO (frame->this->name, rsp, fail); - - op_ret = ntoh32 (hdr->rsp.op_ret); - - if (op_ret >= 0) { - op_ret = -1; - dict_len = ntoh32 (rsp->dict_len); - - if (dict_len > 0) { - dictbuf = memdup (rsp->dict, dict_len); - GF_VALIDATE_OR_GOTO (frame->this->name, dictbuf, fail); - - dict = dict_new(); - GF_VALIDATE_OR_GOTO (frame->this->name, dict, fail); - - ret = dict_unserialize (dictbuf, dict_len, &dict); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "failed to serialize dictionary(%p)", - dict); - op_errno = -ret; - goto fail; - } else { - dict->extra_free = dictbuf; - dictbuf = NULL; - } - } - op_ret = 0; - } - gf_errno = ntoh32 (hdr->rsp.op_errno); - op_errno = gf_error_to_errno (gf_errno); - -fail: - STACK_UNWIND (frame, op_ret, op_errno, dict); - - if (dictbuf) - GF_FREE (dictbuf); - - if (dict) - dict_unref (dict); - - return 0; -} - - -int -client_xattrop_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_xattrop_rsp_t *rsp = NULL; - int32_t op_ret = -1; - int32_t gf_errno = EINVAL; - int32_t op_errno = 0; - int32_t dict_len = 0; - dict_t *dict = NULL; - int32_t ret = -1; - char *dictbuf = NULL; - - rsp = gf_param (hdr); - GF_VALIDATE_OR_GOTO (frame->this->name, rsp, fail); - - op_ret = ntoh32 (hdr->rsp.op_ret); - if (op_ret >= 0) { - op_ret = -1; - dict_len = ntoh32 (rsp->dict_len); - - if (dict_len > 0) { - dictbuf = memdup (rsp->dict, dict_len); - GF_VALIDATE_OR_GOTO (frame->this->name, dictbuf, fail); - - dict = get_new_dict(); - GF_VALIDATE_OR_GOTO (frame->this->name, dict, fail); - dict_ref (dict); - - ret = dict_unserialize (dictbuf, dict_len, &dict); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "failed to serialize dictionary(%p)", - dict); - goto fail; - } else { - dict->extra_free = dictbuf; - dictbuf = NULL; - } - } - op_ret = 0; - } - gf_errno = ntoh32 (hdr->rsp.op_errno); - op_errno = gf_error_to_errno (gf_errno); - - -fail: - STACK_UNWIND (frame, op_ret, op_errno, dict); - - if (dictbuf) - GF_FREE (dictbuf); - if (dict) - dict_unref (dict); - - return 0; -} - -/* - * client_create_cbk - create callback function for client protocol - * @frame: call frame - * @args: arguments in dictionary - * - * not for external reference - */ - -int -client_create_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_create_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - fd_t *fd = NULL; - inode_t *inode = NULL; - struct iatt stbuf = {0, }; - struct iatt preparent = {0, }; - struct iatt postparent = {0, }; - int64_t remote_fd = 0; - int32_t ret = -1; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - client_fd_ctx_t *fdctx = NULL; - ino_t ino = 0; - uint64_t gen = 0; - - local = frame->local; frame->local = NULL; - conf = frame->this->private; - fd = local->fd; - inode = local->loc.inode; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = ntoh32 (hdr->rsp.op_errno); - - if (op_ret >= 0) { - remote_fd = ntoh64 (rsp->fd); - gf_stat_to_iatt (&rsp->stat, &stbuf); - - gf_stat_to_iatt (&rsp->preparent, &preparent); - gf_stat_to_iatt (&rsp->postparent, &postparent); - - ino = stbuf.ia_ino; - gen = stbuf.ia_gen; - } - - if (op_ret >= 0) { - ret = inode_ctx_put2 (local->loc.inode, frame->this, ino, gen); - - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "CREATE %"PRId64"/%s (%s): failed to set " - "remote inode number to inode ctx", - local->loc.parent->ino, local->loc.name, - local->loc.path); - op_ret = -1; - op_errno = EINVAL; - goto unwind_out; - } - - fdctx = GF_CALLOC (1, sizeof (*fdctx), - gf_client_mt_client_fd_ctx_t); - if (!fdctx) { - op_ret = -1; - op_errno = ENOMEM; - goto unwind_out; - } - - fdctx->remote_fd = remote_fd; - fdctx->inode = inode_ref (fd->inode); - fdctx->ino = ino; - fdctx->gen = gen; - fdctx->flags = local->flags; - - INIT_LIST_HEAD (&fdctx->sfd_pos); - - this_fd_set_ctx (fd, frame->this, &local->loc, fdctx); - - pthread_mutex_lock (&conf->mutex); - { - list_add_tail (&fdctx->sfd_pos, &conf->saved_fds); - } - pthread_mutex_unlock (&conf->mutex); - } -unwind_out: - STACK_UNWIND (frame, op_ret, op_errno, fd, inode, &stbuf, - &preparent, &postparent); - - client_local_wipe (local); - - return 0; -} - - -/* - * client_open_cbk - open callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int -client_open_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - int32_t op_ret = -1; - int32_t op_errno = ENOTCONN; - fd_t *fd = NULL; - int64_t remote_fd = 0; - gf_fop_open_rsp_t *rsp = NULL; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - client_fd_ctx_t *fdctx = NULL; - ino_t ino = 0; - uint64_t gen = 0; - - - local = frame->local; - - if (local->op) { - local->op (frame, hdr, hdrlen, iobuf); - return 0; - } - - frame->local = NULL; - conf = frame->this->private; - fd = local->fd; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = ntoh32 (hdr->rsp.op_errno); - - if (op_ret >= 0) { - remote_fd = ntoh64 (rsp->fd); - } - - if (op_ret >= 0) { - fdctx = GF_CALLOC (1, sizeof (*fdctx), - gf_client_mt_client_fd_ctx_t); - if (!fdctx) { - op_ret = -1; - op_errno = ENOMEM; - goto unwind_out; - } - - inode_ctx_get2 (fd->inode, frame->this, &ino, &gen); - - fdctx->remote_fd = remote_fd; - fdctx->inode = inode_ref (fd->inode); - fdctx->ino = ino; - fdctx->gen = gen; - fdctx->flags = local->flags; - fdctx->wbflags = local->wbflags; - - INIT_LIST_HEAD (&fdctx->sfd_pos); - - this_fd_set_ctx (fd, frame->this, &local->loc, fdctx); - - pthread_mutex_lock (&conf->mutex); - { - list_add_tail (&fdctx->sfd_pos, &conf->saved_fds); - } - pthread_mutex_unlock (&conf->mutex); - } -unwind_out: - STACK_UNWIND (frame, op_ret, op_errno, fd); - - client_local_wipe (local); - - return 0; -} - -/* - * client_stat_cbk - stat callback for client protocol - * @frame: call frame - * @args: arguments dictionary - * - * not for external reference - */ - -int -client_stat_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct iatt stbuf = {0, }; - gf_fop_stat_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - - -/* - * client_mknod_cbk - mknod callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_mknod_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_mknod_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt stbuf = {0, }; - inode_t *inode = NULL; - client_local_t *local = NULL; - int ret = 0; - struct iatt preparent = {0,}; - struct iatt postparent = {0,}; - - local = frame->local; - frame->local = NULL; - inode = local->loc.inode; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret >= 0) { - gf_stat_to_iatt (&rsp->stat, &stbuf); - - ret = inode_ctx_put2 (local->loc.inode, frame->this, - stbuf.ia_ino, stbuf.ia_gen); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "MKNOD %"PRId64"/%s (%s): failed to set remote" - " inode number to inode ctx", - local->loc.parent->ino, local->loc.name, - local->loc.path); - - STACK_UNWIND (frame, -1, EINVAL, inode, NULL, - NULL, NULL); - return 0; - } - - gf_stat_to_iatt (&rsp->preparent, &preparent); - gf_stat_to_iatt (&rsp->postparent, &postparent); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf, - &preparent, &postparent); - - client_local_wipe (local); - - return 0; -} - -/* - * client_symlink_cbk - symlink callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_symlink_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_symlink_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt stbuf = {0, }; - struct iatt preparent = {0,}; - struct iatt postparent = {0,}; - inode_t *inode = NULL; - client_local_t *local = NULL; - int ret = 0; - - local = frame->local; - frame->local = NULL; - inode = local->loc.inode; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret >= 0) { - gf_stat_to_iatt (&rsp->stat, &stbuf); - - ret = inode_ctx_put2 (inode, frame->this, - stbuf.ia_ino, stbuf.ia_gen); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "SYMLINK %"PRId64"/%s (%s): failed to set " - "remote inode number to inode ctx", - local->loc.parent->ino, local->loc.name, - local->loc.path); - STACK_UNWIND (frame, -1, EINVAL, inode, NULL, - NULL, NULL); - return 0; - } - gf_stat_to_iatt (&rsp->preparent, &preparent); - gf_stat_to_iatt (&rsp->postparent, &postparent); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf, - &preparent, &postparent); - - client_local_wipe (local); - - return 0; -} - -/* - * client_link_cbk - link callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_link_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_link_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt stbuf = {0, }; - inode_t *inode = NULL; - client_local_t *local = NULL; - struct iatt preparent = {0,}; - struct iatt postparent = {0,}; - - local = frame->local; - frame->local = NULL; - inode = local->loc.inode; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret >= 0) { - gf_stat_to_iatt (&rsp->stat, &stbuf); - - gf_stat_to_iatt (&rsp->preparent, &preparent); - gf_stat_to_iatt (&rsp->postparent, &postparent); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf, - &preparent, &postparent); - - client_local_wipe (local); - - return 0; -} - -/* - * client_truncate_cbk - truncate callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_truncate_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_truncate_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt prestat = {0, }; - struct iatt poststat = {0, }; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->prestat, &prestat); - gf_stat_to_iatt (&rsp->poststat, &poststat); - } - - STACK_UNWIND (frame, op_ret, op_errno, &prestat, &poststat); - - return 0; -} - -/* client_fstat_cbk - fstat callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_fstat_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct iatt stbuf = {0, }; - gf_fop_fstat_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->stat, &stbuf); - - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - -/* - * client_ftruncate_cbk - ftruncate callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int -client_ftruncate_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_ftruncate_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt prestat = {0, }; - struct iatt poststat = {0, }; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->prestat, &prestat); - gf_stat_to_iatt (&rsp->poststat, &poststat); - } - - STACK_UNWIND (frame, op_ret, op_errno, &prestat, &poststat); - - return 0; -} - - -/* client_readv_cbk - readv callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external referece - */ - -int -client_readv_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_read_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iovec vector = {0, }; - struct iatt stbuf = {0, }; - struct iobref *iobref = NULL; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret != -1) { - iobref = iobref_new (); - gf_stat_to_iatt (&rsp->stat, &stbuf); - vector.iov_len = op_ret; - - if (op_ret > 0) { - vector.iov_base = iobuf->ptr; - iobref_add (iobref, iobuf); - } - } - - STACK_UNWIND (frame, op_ret, op_errno, &vector, 1, &stbuf, iobref); - - if (iobref) - iobref_unref (iobref); - - if (iobuf) - iobuf_unref (iobuf); - - return 0; -} - -/* - * client_write_cbk - write callback for client protocol - * @frame: cal frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_write_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_write_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt prestat = {0, }; - struct iatt poststat = {0, }; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret >= 0) { - gf_stat_to_iatt (&rsp->prestat, &prestat); - gf_stat_to_iatt (&rsp->poststat, &poststat); - } - - STACK_UNWIND (frame, op_ret, op_errno, &prestat, &poststat); - - return 0; -} - - -int -client_readdirp_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_readdirp_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - uint32_t buf_size = 0; - gf_dirent_t entries; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = ntoh32 (hdr->rsp.op_errno); - - INIT_LIST_HEAD (&entries.list); - if (op_ret > 0) { - buf_size = ntoh32 (rsp->size); - gf_dirent_unserialize (&entries, rsp->buf, buf_size); - } - - STACK_UNWIND (frame, op_ret, op_errno, &entries); - - gf_dirent_free (&entries); - - return 0; -} - - -int -client_readdir_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_readdir_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - uint32_t buf_size = 0; - gf_dirent_t entries; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = ntoh32 (hdr->rsp.op_errno); - - INIT_LIST_HEAD (&entries.list); - if (op_ret > 0) { - buf_size = ntoh32 (rsp->size); - gf_dirent_unserialize (&entries, rsp->buf, buf_size); - } - - STACK_UNWIND (frame, op_ret, op_errno, &entries); - - gf_dirent_free (&entries); - - return 0; -} - -/* - * client_fsync_cbk - fsync callback for client protocol - * - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_fsync_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct iatt prestat = {0, }; - struct iatt poststat = {0,}; - gf_fop_fsync_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->prestat, &prestat); - gf_stat_to_iatt (&rsp->poststat, &poststat); - } - - STACK_UNWIND (frame, op_ret, op_errno, &prestat, &poststat); - - return 0; -} - -/* - * client_unlink_cbk - unlink callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_unlink_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_unlink_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt preparent = {0,}; - struct iatt postparent = {0,}; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->preparent, &preparent); - gf_stat_to_iatt (&rsp->postparent, &postparent); - } - - STACK_UNWIND (frame, op_ret, op_errno, &preparent, &postparent); - - return 0; -} - -/* - * client_rename_cbk - rename callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_rename_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct iatt stbuf = {0, }; - gf_fop_rename_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt preoldparent = {0, }; - struct iatt postoldparent = {0, }; - struct iatt prenewparent = {0, }; - struct iatt postnewparent = {0, }; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->stat, &stbuf); - gf_stat_to_iatt (&rsp->preoldparent, &preoldparent); - gf_stat_to_iatt (&rsp->postoldparent, &postoldparent); - gf_stat_to_iatt (&rsp->prenewparent, &prenewparent); - gf_stat_to_iatt (&rsp->postnewparent, &postnewparent); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf, &preoldparent, - &postoldparent, &prenewparent, &postnewparent); - - return 0; -} - - -/* - * client_readlink_cbk - readlink callback for client protocol - * - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int -client_readlink_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_readlink_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - char *link = NULL; - struct iatt stbuf = {0,}; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret > 0) { - link = rsp->path; - gf_stat_to_iatt (&rsp->buf, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, link, &stbuf); - return 0; -} - -/* - * client_mkdir_cbk - mkdir callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_mkdir_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_mkdir_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt stbuf = {0, }; - inode_t *inode = NULL; - client_local_t *local = NULL; - int ret = 0; - struct iatt preparent = {0,}; - struct iatt postparent = {0,}; - - local = frame->local; - inode = local->loc.inode; - frame->local = NULL; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret >= 0) { - gf_stat_to_iatt (&rsp->stat, &stbuf); - - ret = inode_ctx_put2 (inode, frame->this, stbuf.ia_ino, - stbuf.ia_gen); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "MKDIR %"PRId64"/%s (%s): failed to set " - "remote inode number to inode ctx", - local->loc.parent->ino, local->loc.name, - local->loc.path); - STACK_UNWIND (frame, -1, EINVAL, inode, NULL, - NULL, NULL); - return 0; - } - - gf_stat_to_iatt (&rsp->preparent, &preparent); - gf_stat_to_iatt (&rsp->postparent, &postparent); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf, - &preparent, &postparent); - - client_local_wipe (local); - - return 0; -} - -/* - * client_flush_cbk - flush callback for client protocol - * - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_flush_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - int32_t op_ret = 0; - int32_t op_errno = 0; - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -} - -/* - * client_opendir_cbk - opendir callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_opendir_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - int32_t op_ret = -1; - int32_t op_errno = ENOTCONN; - fd_t *fd = NULL; - int64_t remote_fd = 0; - gf_fop_opendir_rsp_t *rsp = NULL; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - client_fd_ctx_t *fdctx = NULL; - ino_t ino = 0; - uint64_t gen = 0; - - - local = frame->local; - - if (local->op) { - local->op (frame, hdr, hdrlen, iobuf); - return 0; - } - - frame->local = NULL; - conf = frame->this->private; - fd = local->fd; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = ntoh32 (hdr->rsp.op_errno); - - if (op_ret >= 0) { - remote_fd = ntoh64 (rsp->fd); - } - - if (op_ret >= 0) { - fdctx = GF_CALLOC (1, sizeof (*fdctx), - gf_client_mt_client_fd_ctx_t); - if (!fdctx) { - op_ret = -1; - op_errno = ENOMEM; - goto unwind_out; - } - - inode_ctx_get2 (fd->inode, frame->this, &ino, &gen); - - fdctx->remote_fd = remote_fd; - fdctx->inode = inode_ref (fd->inode); - fdctx->ino = ino; - fdctx->gen = gen; - - fdctx->is_dir = 1; - - INIT_LIST_HEAD (&fdctx->sfd_pos); - - this_fd_set_ctx (fd, frame->this, &local->loc, fdctx); - - pthread_mutex_lock (&conf->mutex); - { - list_add_tail (&fdctx->sfd_pos, &conf->saved_fds); - } - pthread_mutex_unlock (&conf->mutex); - } -unwind_out: - STACK_UNWIND (frame, op_ret, op_errno, fd); - - client_local_wipe (local); - - return 0; -} - -/* - * client_rmdir_cbk - rmdir callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_rmdir_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_rmdir_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iatt preparent = {0,}; - struct iatt postparent = {0,}; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->preparent, &preparent); - gf_stat_to_iatt (&rsp->postparent, &postparent); - } - - STACK_UNWIND (frame, op_ret, op_errno, &preparent, &postparent); - - return 0; -} - -/* - * client_access_cbk - access callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_access_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_access_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -} - -/* - * client_lookup_cbk - lookup callback for client protocol - * - * @frame: call frame - * @args: arguments dictionary - * - * not for external reference - */ - -int -client_lookup_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct iatt stbuf = {0, }; - struct iatt postparent = {0, }; - inode_t *inode = NULL; - dict_t *xattr = NULL; - gf_fop_lookup_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - size_t dict_len = 0; - char *dictbuf = NULL; - int32_t ret = -1; - int32_t gf_errno = 0; - client_local_t *local = NULL; - ino_t oldino = 0; - uint64_t oldgen = 0; - - local = frame->local; - inode = local->loc.inode; - frame->local = NULL; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - - gf_stat_to_iatt (&rsp->postparent, &postparent); - - if (op_ret == 0) { - op_ret = -1; - gf_stat_to_iatt (&rsp->stat, &stbuf); - - ret = inode_ctx_get2 (inode, frame->this, &oldino, &oldgen); - if (oldino != stbuf.ia_ino || oldgen != stbuf.ia_gen) { - if (oldino) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64"/%s (%s): " - "inode number changed from " - "{%"PRId64",%"PRId64"} to {%"PRId64",%"PRId64"}", - local->loc.parent ? - local->loc.parent->ino : (uint64_t) 0, - local->loc.name, - local->loc.path, - oldgen, oldino, stbuf.ia_gen, stbuf.ia_ino); - op_errno = ESTALE; - goto fail; - } - - ret = inode_ctx_put2 (inode, frame->this, - stbuf.ia_ino, stbuf.ia_gen); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64"/%s (%s) : " - "failed to set remote inode " - "number to inode ctx", - local->loc.parent ? - local->loc.parent->ino : (uint64_t) 0, - local->loc.name, - local->loc.path); - op_errno = EINVAL; - goto fail; - } - } - - dict_len = ntoh32 (rsp->dict_len); - - if (dict_len > 0) { - dictbuf = memdup (rsp->dict, dict_len); - GF_VALIDATE_OR_GOTO (frame->this->name, dictbuf, fail); - - xattr = dict_new(); - GF_VALIDATE_OR_GOTO (frame->this->name, xattr, fail); - - ret = dict_unserialize (dictbuf, dict_len, &xattr); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "%s (%"PRId64"): failed to " - "unserialize dictionary", - local->loc.path, inode->ino); - goto fail; - } else { - xattr->extra_free = dictbuf; - dictbuf = NULL; - } - } - op_ret = 0; - } - gf_errno = ntoh32 (hdr->rsp.op_errno); - op_errno = gf_error_to_errno (gf_errno); - -fail: - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf, xattr, - &postparent); - - client_local_wipe (local); - - if (dictbuf) - GF_FREE (dictbuf); - - if (xattr) - dict_unref (xattr); - - return 0; -} - -static int32_t -client_setattr_cbk (call_frame_t *frame,gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct iatt statpre = {0, }; - struct iatt statpost = {0, }; - gf_fop_setattr_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->statpre, &statpre); - gf_stat_to_iatt (&rsp->statpost, &statpost); - } - - STACK_UNWIND (frame, op_ret, op_errno, &statpre, &statpost); - - return 0; -} - -static int32_t -client_fsetattr_cbk (call_frame_t *frame,gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct iatt statpre = {0, }; - struct iatt statpost = {0, }; - gf_fop_setattr_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_stat_to_iatt (&rsp->statpre, &statpre); - gf_stat_to_iatt (&rsp->statpost, &statpost); - } - - STACK_UNWIND (frame, op_ret, op_errno, &statpre, &statpost); - - return 0; -} - - -int -gf_free_direntry (dir_entry_t *head) -{ - dir_entry_t *prev = NULL; - dir_entry_t *trav = NULL; - - prev = head; - GF_VALIDATE_OR_GOTO ("client-protocol", prev, fail); - - trav = head->next; - while (trav) { - prev->next = trav->next; - GF_FREE (trav->name); - if (IA_ISLNK (trav->buf.ia_type)) - GF_FREE (trav->link); - GF_FREE (trav); - trav = prev->next; - } - GF_FREE (head); -fail: - return 0; -} - -/* - * client_statfs_cbk - statfs callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_statfs_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct statvfs stbuf = {0, }; - gf_fop_statfs_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret == 0) { - gf_statfs_to_statfs (&rsp->statfs, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - -/* - * client_fsyncdir_cbk - fsyncdir callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_fsyncdir_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - int32_t op_ret = 0; - int32_t op_errno = 0; - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -} - -/* - * client_setxattr_cbk - setxattr callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_setxattr_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_setxattr_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -} - -/* - * client_getxattr_cbk - getxattr callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_getxattr_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_getxattr_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t gf_errno = 0; - int32_t op_errno = 0; - int32_t dict_len = 0; - dict_t *dict = NULL; - int32_t ret = -1; - char *dictbuf = NULL; - client_local_t *local = NULL; - - local = frame->local; - frame->local = NULL; - - rsp = gf_param (hdr); - GF_VALIDATE_OR_GOTO (frame->this->name, rsp, fail); - - op_ret = ntoh32 (hdr->rsp.op_ret); - - if (op_ret >= 0) { - op_ret = -1; - dict_len = ntoh32 (rsp->dict_len); - - if (dict_len > 0) { - dictbuf = memdup (rsp->dict, dict_len); - GF_VALIDATE_OR_GOTO (frame->this->name, dictbuf, fail); - - dict = dict_new(); - GF_VALIDATE_OR_GOTO (frame->this->name, dict, fail); - - ret = dict_unserialize (dictbuf, dict_len, &dict); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "%s (%"PRId64"): failed to " - "unserialize xattr dictionary", - local->loc.path, - local->loc.inode->ino); - goto fail; - } else { - dict->extra_free = dictbuf; - dictbuf = NULL; - } - } - op_ret = 0; - } - gf_errno = ntoh32 (hdr->rsp.op_errno); - op_errno = gf_error_to_errno (gf_errno); -fail: - STACK_UNWIND (frame, op_ret, op_errno, dict); - - client_local_wipe (local); - - if (dictbuf) - GF_FREE (dictbuf); - - if (dict) - dict_unref (dict); - - return 0; -} - -/* - * client_removexattr_cbk - removexattr callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_removexattr_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, - size_t hdrlen, struct iobuf *iobuf) -{ - int32_t op_ret = 0; - int32_t op_errno = 0; - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -} - -/* - * client_lk_cbk - lk callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_lk_common_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - struct gf_flock lock = {0,}; - gf_fop_lk_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret >= 0) { - gf_flock_to_flock (&rsp->flock, &lock); - } - - STACK_UNWIND (frame, op_ret, op_errno, &lock); - return 0; -} - -/* - * client_gf_file_lk_cbk - gf_file_lk callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_inodelk_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_inodelk_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -} - - -int -client_finodelk_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_finodelk_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -} - -/* - * client_entrylk_cbk - entrylk callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_entrylk_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_entrylk_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -} - -int -client_fentrylk_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fentrylk_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -} - - - -/* - * client_getspec - getspec function for client protocol - * @frame: call frame - * @this: client protocol xlator structure - * @flag: - * - * external reference through client_protocol_xlator->fops->getspec - */ - -int -client_getspec (call_frame_t *frame, xlator_t *this, const char *key, - int32_t flag) -{ - gf_hdr_common_t *hdr = NULL; - gf_mop_getspec_req_t *req = NULL; - size_t hdrlen = -1; - int keylen = 0; - int ret = -1; - - if (key) - keylen = STRLEN_0 (key); - - hdrlen = gf_hdr_len (req, keylen); - hdr = gf_hdr_new (req, keylen); - GF_VALIDATE_OR_GOTO (this->name, hdr, unwind); - - req = gf_param (hdr); - req->flags = hton32 (flag); - req->keylen = hton32 (keylen); - if (keylen) - strcpy (req->key, key); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_MOP_REQUEST, GF_MOP_GETSPEC, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - GF_FREE (hdr); - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; -} - -/* - * client_getspec_cbk - getspec callback for client protocol - * - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_getspec_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_mop_getspec_rsp_t *rsp = NULL; - char *spec_data = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - int32_t gf_errno = 0; - - op_ret = ntoh32 (hdr->rsp.op_ret); - gf_errno = ntoh32 (hdr->rsp.op_errno); - op_errno = gf_error_to_errno (gf_errno); - rsp = gf_param (hdr); - - if (op_ret >= 0) { - spec_data = rsp->spec; - } - - STACK_UNWIND (frame, op_ret, op_errno, spec_data); - return 0; -} - - -int -client_rchecksum (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, - int32_t len) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_rchecksum_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - - int64_t remote_fd = -1; - client_fd_ctx_t *fdctx = NULL; - client_conf_t *conf = NULL; - - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - req = gf_param (hdr); - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - fdctx = this_fd_get_ctx (fd, this); - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx == NULL) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, 0, NULL); - return 0; - } - - if (fdctx->remote_fd == -1) { - gf_log (this->name, GF_LOG_TRACE, - "(%"PRId64"): failed to get fd ctx. EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, 0, NULL); - return 0; - } - - remote_fd = fdctx->remote_fd; - - req->fd = hton64 (remote_fd); - req->offset = hton64 (offset); - req->len = hton32 (len); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_RCHECKSUM, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -} - - -int -client_rchecksum_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_rchecksum_rsp_t *rsp = NULL; - - int32_t op_ret = 0; - int32_t op_errno = 0; - int32_t gf_errno = 0; - uint32_t weak_checksum = 0; - unsigned char *strong_checksum = NULL; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - gf_errno = ntoh32 (hdr->rsp.op_errno); - op_errno = gf_error_to_errno (gf_errno); - - if (op_ret >= 0) { - weak_checksum = rsp->weak_checksum; - strong_checksum = rsp->strong_checksum; - } - - STACK_UNWIND (frame, op_ret, op_errno, weak_checksum, strong_checksum); - - return 0; -} - - -/* - * client_setspec_cbk - setspec callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_setspec_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - int32_t op_ret = 0; - int32_t op_errno = 0; - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -} - - - -int -protocol_client_reopendir_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, - size_t hdrlen, struct iobuf *iobuf) -{ - int32_t op_ret = -1; - int32_t op_errno = ENOTCONN; - int64_t remote_fd = -1; - gf_fop_open_rsp_t *rsp = NULL; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - client_fd_ctx_t *fdctx = NULL; - - - local = frame->local; frame->local = NULL; - conf = frame->this->private; - fdctx = local->fdctx; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = ntoh32 (hdr->rsp.op_errno); - - if (op_ret >= 0) - remote_fd = ntoh64 (rsp->fd); - - gf_log (frame->this->name, GF_LOG_DEBUG, - "reopendir on %s returned %d (%"PRId64")", - local->loc.path, op_ret, remote_fd); - - pthread_mutex_lock (&conf->mutex); - { - fdctx->remote_fd = remote_fd; - - if (!fdctx->released) { - list_add_tail (&fdctx->sfd_pos, &conf->saved_fds); - fdctx = NULL; - } - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx) - client_fdctx_destroy (frame->this, fdctx); - - STACK_DESTROY (frame->root); - - client_local_wipe (local); - - return 0; -} - - - -int -protocol_client_reopendir (xlator_t *this, client_fd_ctx_t *fdctx) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - gf_fop_opendir_req_t *req = NULL; - size_t pathlen = 0; - client_local_t *local = NULL; - inode_t *inode = NULL; - char *path = NULL; - call_frame_t *frame = NULL; - - inode = fdctx->inode; - - ret = inode_path (inode, NULL, &path); - if (ret < 0) { - goto out; - } - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - if (!local) { - goto out; - } - - local->fdctx = fdctx; - local->op = protocol_client_reopendir_cbk; - local->loc.path = path; path = NULL; - - frame = create_frame (this, this->ctx->pool); - if (!frame) { - goto out; - } - - pathlen = STRLEN_0 (local->loc.path); - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - - req = gf_param (hdr); - - req->ino = hton64 (fdctx->ino); - req->gen = hton64 (fdctx->gen); - - strcpy (req->path, local->loc.path); - - gf_log (frame->this->name, GF_LOG_DEBUG, - "attempting reopendir on %s", local->loc.path); - - frame->local = local; local = NULL; - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_OPENDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; - -out: - if (frame) - STACK_DESTROY (frame->root); - - if (local) - client_local_wipe (local); - - if (path) - GF_FREE (path); - - return 0; -} - - -int -protocol_client_reopen_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, - size_t hdrlen, struct iobuf *iobuf) -{ - int32_t op_ret = -1; - int32_t op_errno = ENOTCONN; - int64_t remote_fd = -1; - gf_fop_open_rsp_t *rsp = NULL; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - client_fd_ctx_t *fdctx = NULL; - - - local = frame->local; frame->local = NULL; - conf = frame->this->private; - fdctx = local->fdctx; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = ntoh32 (hdr->rsp.op_errno); - - if (op_ret >= 0) - remote_fd = ntoh64 (rsp->fd); - - gf_log (frame->this->name, GF_LOG_DEBUG, - "reopen on %s returned %d (%"PRId64")", - local->loc.path, op_ret, remote_fd); - - pthread_mutex_lock (&conf->mutex); - { - fdctx->remote_fd = remote_fd; - - if (!fdctx->released) { - list_add_tail (&fdctx->sfd_pos, &conf->saved_fds); - fdctx = NULL; - } - } - pthread_mutex_unlock (&conf->mutex); - - if (fdctx) - client_fdctx_destroy (frame->this, fdctx); - - STACK_DESTROY (frame->root); - - client_local_wipe (local); - - return 0; -} - - -int -protocol_client_reopen (xlator_t *this, client_fd_ctx_t *fdctx) -{ - int ret = -1; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - gf_fop_open_req_t *req = NULL; - size_t pathlen = 0; - client_local_t *local = NULL; - inode_t *inode = NULL; - char *path = NULL; - call_frame_t *frame = NULL; - - inode = fdctx->inode; - - ret = inode_path (inode, NULL, &path); - if (ret < 0) { - goto out; - } - - local = GF_CALLOC (1, sizeof (*local), gf_client_mt_client_local_t); - if (!local) { - goto out; - } - - local->fdctx = fdctx; - local->op = protocol_client_reopen_cbk; - local->loc.path = path; path = NULL; - - frame = create_frame (this, this->ctx->pool); - if (!frame) { - goto out; - } - - pathlen = STRLEN_0 (local->loc.path); - - hdrlen = gf_hdr_len (req, pathlen); - hdr = gf_hdr_new (req, pathlen); - - req = gf_param (hdr); - - req->ino = hton64 (fdctx->ino); - req->gen = hton64 (fdctx->gen); - req->flags = hton32 (gf_flags_from_flags (fdctx->flags)); - req->wbflags = hton32 (fdctx->wbflags); - strcpy (req->path, local->loc.path); - - gf_log (frame->this->name, GF_LOG_DEBUG, - "attempting reopen on %s", local->loc.path); - - frame->local = local; local = NULL; - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_PROTO_FOP_OPEN, - hdr, hdrlen, NULL, 0, NULL); - - return ret; - -out: - if (frame) - STACK_DESTROY (frame->root); - - if (local) - client_local_wipe (local); - - if (path) - GF_FREE (path); - - return 0; - -} - - -int -protocol_client_post_handshake (call_frame_t *frame, xlator_t *this) -{ - client_conf_t *conf = NULL; - client_fd_ctx_t *tmp = NULL; - client_fd_ctx_t *fdctx = NULL; - xlator_list_t *parent = NULL; - struct list_head reopen_head; - - conf = this->private; - INIT_LIST_HEAD (&reopen_head); - - pthread_mutex_lock (&conf->mutex); - { - list_for_each_entry_safe (fdctx, tmp, &conf->saved_fds, - sfd_pos) { - if (fdctx->remote_fd != -1) - continue; - - list_del (&fdctx->sfd_pos); - list_add_tail (&fdctx->sfd_pos, &reopen_head); - } - } - pthread_mutex_unlock (&conf->mutex); - - list_for_each_entry_safe (fdctx, tmp, &reopen_head, sfd_pos) { - list_del_init (&fdctx->sfd_pos); - - if (fdctx->is_dir) - protocol_client_reopendir (this, fdctx); - else - protocol_client_reopen (this, fdctx); - } - - parent = this->parents; - - while (parent) { - xlator_notify (parent->xlator, GF_EVENT_CHILD_UP, - this); - parent = parent->next; - } - - return 0; -} - -/* - * client_setvolume_cbk - setvolume callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int -client_setvolume_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - client_conf_t *conf = NULL; - gf_mop_setvolume_rsp_t *rsp = NULL; - client_connection_t *conn = NULL; - glusterfs_ctx_t *ctx = NULL; - xlator_t *this = NULL; - xlator_list_t *parent = NULL; - transport_t *trans = NULL; - dict_t *reply = NULL; - char *remote_subvol = NULL; - char *remote_error = NULL; - char *process_uuid = NULL; - int32_t ret = -1; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - int32_t dict_len = 0; - transport_t *peer_trans = NULL; - uint64_t peer_trans_int = 0; - - trans = frame->local; frame->local = NULL; - this = frame->this; - conn = trans->xl_private; - conf = this->private; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno)); - - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "setvolume failed (%s)", - strerror (op_errno)); - goto out; - } - - reply = dict_new (); - GF_VALIDATE_OR_GOTO (this->name, reply, out); - - dict_len = ntoh32 (rsp->dict_len); - ret = dict_unserialize (rsp->buf, dict_len, &reply); - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_DEBUG, - "failed to unserialize buffer(%p) to dictionary", - rsp->buf); - goto out; - } - - ret = dict_get_str (reply, "ERROR", &remote_error); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get ERROR string from reply dictionary"); - } - - ret = dict_get_str (reply, "process-uuid", &process_uuid); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get 'process-uuid' from reply dictionary"); - } - - if (op_ret < 0) { - gf_log (trans->xl->name, GF_LOG_ERROR, - "SETVOLUME on remote-host failed: %s", - remote_error ? remote_error : strerror (op_errno)); - errno = op_errno; - if (op_errno == ESTALE) { - parent = trans->xl->parents; - while (parent) { - xlator_notify (parent->xlator, - GF_EVENT_VOLFILE_MODIFIED, - trans->xl); - parent = parent->next; - } - } - - } else { - ret = dict_get_str (this->options, "remote-subvolume", - &remote_subvol); - if (!remote_subvol) - goto out; - - ctx = this->ctx; - - if (process_uuid && !strcmp (ctx->process_uuid,process_uuid)) { - ret = dict_get_uint64 (reply, "transport-ptr", - &peer_trans_int); - - peer_trans = (void *) (long) (peer_trans_int); - - gf_log (this->name, GF_LOG_WARNING, - "attaching to the local volume '%s'", - remote_subvol); - - transport_setpeer (trans, peer_trans); - - } - - gf_log (trans->xl->name, GF_LOG_INFO, - "Connected to %s, attached " - "to remote volume '%s'.", - trans->peerinfo.identifier, remote_subvol); - - pthread_mutex_lock (&(conn->lock)); - { - conn->connected = 1; - } - pthread_mutex_unlock (&(conn->lock)); - - protocol_client_post_handshake (frame, frame->this); - } - - conf->connecting = 0; -out: - - if (-1 == op_ret) { - /* Let the connection/re-connection happen in - * background, for now, don't hang here, - * tell the parents that i am all ok.. - */ - parent = trans->xl->parents; - while (parent) { - xlator_notify (parent->xlator, - GF_EVENT_CHILD_CONNECTING, trans->xl); - parent = parent->next; - } - conf->connecting= 1; - } - - STACK_DESTROY (frame->root); - - if (reply) - dict_unref (reply); - - return op_ret; -} - -/* - * client_enosys_cbk - - * @frame: call frame - * - * not for external reference - */ - -int -client_enosys_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - STACK_DESTROY (frame->root); - return 0; -} - - -void -client_protocol_reconnect (void *trans_ptr) -{ - transport_t *trans = NULL; - client_connection_t *conn = NULL; - struct timeval tv = {0, 0}; - int32_t ret = 0; - - trans = trans_ptr; - conn = trans->xl_private; - pthread_mutex_lock (&conn->lock); - { - if (conn->reconnect) - gf_timer_call_cancel (trans->xl->ctx, - conn->reconnect); - conn->reconnect = 0; - - if (conn->connected == 0) { - tv.tv_sec = 10; - - gf_log (trans->xl->name, GF_LOG_TRACE, - "attempting reconnect"); - ret = transport_connect (trans); - - conn->reconnect = - gf_timer_call_after (trans->xl->ctx, tv, - client_protocol_reconnect, - trans); - } else { - gf_log (trans->xl->name, GF_LOG_TRACE, - "breaking reconnect chain"); - } - } - pthread_mutex_unlock (&conn->lock); - - if (ret == -1 && errno != EINPROGRESS) { - default_notify (trans->xl, GF_EVENT_CHILD_DOWN, NULL); - } -} - -int -protocol_client_mark_fd_bad (xlator_t *this) -{ - client_conf_t *conf = NULL; - client_fd_ctx_t *tmp = NULL; - client_fd_ctx_t *fdctx = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - list_for_each_entry_safe (fdctx, tmp, &conf->saved_fds, - sfd_pos) { - fdctx->remote_fd = -1; - } - } - pthread_mutex_unlock (&conf->mutex); - - return 0; -} - -/* - * client_protocol_cleanup - cleanup function - * @trans: transport object - * - */ - -int -protocol_client_cleanup (transport_t *trans) -{ - client_connection_t *conn = NULL; - struct saved_frames *saved_frames = NULL; - - conn = trans->xl_private; - - gf_log (trans->xl->name, GF_LOG_TRACE, - "cleaning up state in transport object %p", trans); - - pthread_mutex_lock (&conn->lock); - { - saved_frames = conn->saved_frames; - conn->saved_frames = gf_client_saved_frames_new (); - - /* bailout logic cleanup */ - if (conn->timer) { - gf_timer_call_cancel (trans->xl->ctx, conn->timer); - conn->timer = NULL; - } - - if (conn->reconnect == NULL) { - /* :O This part is empty.. any thing missing? */ - } - } - pthread_mutex_unlock (&conn->lock); - - gf_client_saved_frames_destroy (trans->xl, saved_frames, - gf_fops, gf_mops, gf_cbks); - - return 0; -} - - -/* cbk callbacks */ -int -client_releasedir_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, - size_t hdrlen, struct iobuf *iobuf) -{ - STACK_DESTROY (frame->root); - return 0; -} - - -int -client_release_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - STACK_DESTROY (frame->root); - return 0; -} - - -int -client_forget_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_log ("", GF_LOG_CRITICAL, "fop not implemented"); - return 0; -} - - -int -client_log_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_log ("", GF_LOG_CRITICAL, "fop not implemented"); - return 0; -} - - -static gf_op_t gf_fops[] = { - [GF_PROTO_FOP_STAT] = client_stat_cbk, - [GF_PROTO_FOP_READLINK] = client_readlink_cbk, - [GF_PROTO_FOP_MKNOD] = client_mknod_cbk, - [GF_PROTO_FOP_MKDIR] = client_mkdir_cbk, - [GF_PROTO_FOP_UNLINK] = client_unlink_cbk, - [GF_PROTO_FOP_RMDIR] = client_rmdir_cbk, - [GF_PROTO_FOP_SYMLINK] = client_symlink_cbk, - [GF_PROTO_FOP_RENAME] = client_rename_cbk, - [GF_PROTO_FOP_LINK] = client_link_cbk, - [GF_PROTO_FOP_TRUNCATE] = client_truncate_cbk, - [GF_PROTO_FOP_OPEN] = client_open_cbk, - [GF_PROTO_FOP_READ] = client_readv_cbk, - [GF_PROTO_FOP_WRITE] = client_write_cbk, - [GF_PROTO_FOP_STATFS] = client_statfs_cbk, - [GF_PROTO_FOP_FLUSH] = client_flush_cbk, - [GF_PROTO_FOP_FSYNC] = client_fsync_cbk, - [GF_PROTO_FOP_SETXATTR] = client_setxattr_cbk, - [GF_PROTO_FOP_GETXATTR] = client_getxattr_cbk, - [GF_PROTO_FOP_REMOVEXATTR] = client_removexattr_cbk, - [GF_PROTO_FOP_OPENDIR] = client_opendir_cbk, - [GF_PROTO_FOP_FSYNCDIR] = client_fsyncdir_cbk, - [GF_PROTO_FOP_ACCESS] = client_access_cbk, - [GF_PROTO_FOP_CREATE] = client_create_cbk, - [GF_PROTO_FOP_FTRUNCATE] = client_ftruncate_cbk, - [GF_PROTO_FOP_FSTAT] = client_fstat_cbk, - [GF_PROTO_FOP_LK] = client_lk_common_cbk, - [GF_PROTO_FOP_LOOKUP] = client_lookup_cbk, - [GF_PROTO_FOP_READDIR] = client_readdir_cbk, - [GF_PROTO_FOP_READDIRP] = client_readdirp_cbk, - [GF_PROTO_FOP_INODELK] = client_inodelk_cbk, - [GF_PROTO_FOP_FINODELK] = client_finodelk_cbk, - [GF_PROTO_FOP_ENTRYLK] = client_entrylk_cbk, - [GF_PROTO_FOP_FENTRYLK] = client_fentrylk_cbk, - [GF_PROTO_FOP_RCHECKSUM] = client_rchecksum_cbk, - [GF_PROTO_FOP_XATTROP] = client_xattrop_cbk, - [GF_PROTO_FOP_FXATTROP] = client_fxattrop_cbk, - [GF_PROTO_FOP_SETATTR] = client_setattr_cbk, - [GF_PROTO_FOP_FSETATTR] = client_fsetattr_cbk -}; - -static gf_op_t gf_mops[] = { - [GF_MOP_SETVOLUME] = client_setvolume_cbk, - [GF_MOP_GETVOLUME] = client_enosys_cbk, - [GF_MOP_SETSPEC] = client_setspec_cbk, - [GF_MOP_GETSPEC] = client_getspec_cbk, - [GF_MOP_PING] = client_ping_cbk, - [GF_MOP_LOG] = client_log_cbk -}; - -static gf_op_t gf_cbks[] = { - [GF_CBK_FORGET] = client_forget_cbk, - [GF_CBK_RELEASE] = client_release_cbk, - [GF_CBK_RELEASEDIR] = client_releasedir_cbk -}; - -/* - * client_protocol_interpret - protocol interpreter - * @trans: transport object - * @blk: data block - * - */ -int -protocol_client_interpret (xlator_t *this, transport_t *trans, - char *hdr_p, size_t hdrlen, struct iobuf *iobuf) -{ - int ret = -1; - call_frame_t *frame = NULL; - gf_hdr_common_t *hdr = NULL; - uint64_t callid = 0; - int type = -1; - int op = -1; - client_connection_t *conn = NULL; - - conn = trans->xl_private; - - hdr = (gf_hdr_common_t *)hdr_p; - - type = ntoh32 (hdr->type); - op = ntoh32 (hdr->op); - callid = ntoh64 (hdr->callid); - - frame = lookup_frame (trans, op, type, callid); - if (frame == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "no frame for callid=%"PRId64" type=%d op=%d", - callid, type, op); - return 0; - } - - switch (type) { - case GF_OP_TYPE_FOP_REPLY: - if ((op > GF_PROTO_FOP_MAXVALUE) || - (op < 0)) { - gf_log (trans->xl->name, GF_LOG_WARNING, - "invalid fop '%d'", op); - } else { - ret = gf_fops[op] (frame, hdr, hdrlen, iobuf); - } - break; - case GF_OP_TYPE_MOP_REPLY: - if ((op > GF_MOP_MAXVALUE) || - (op < 0)) { - gf_log (trans->xl->name, GF_LOG_WARNING, - "invalid fop '%d'", op); - } else { - ret = gf_mops[op] (frame, hdr, hdrlen, iobuf); - } - break; - case GF_OP_TYPE_CBK_REPLY: - if ((op > GF_CBK_MAXVALUE) || - (op < 0)) { - gf_log (trans->xl->name, GF_LOG_WARNING, - "invalid cbk '%d'", op); - } else { - ret = gf_cbks[op] (frame, hdr, hdrlen, iobuf); - } - break; - default: - gf_log (trans->xl->name, GF_LOG_DEBUG, - "invalid packet type: %d", type); - break; - } - - return ret; -} - -int32_t -mem_acct_init (xlator_t *this) -{ - int ret = -1; - - if (!this) - return ret; - - ret = xlator_mem_acct_init (this, gf_client_mt_end + 1); - - if (ret != 0) { - gf_log (this->name, GF_LOG_ERROR, "Memory accounting init" - "failed"); - return ret; - } - - return ret; -} - - -/* - * init - initiliazation function. called during loading of client protocol - * @this: - * - */ - -int -init (xlator_t *this) -{ - transport_t *trans = NULL; - client_conf_t *conf = NULL; - client_connection_t *conn = NULL; - int32_t frame_timeout = 0; - int32_t ping_timeout = 0; - data_t *remote_subvolume = NULL; - int32_t ret = -1; - int i = 0; - - if (this->children) { - gf_log (this->name, GF_LOG_ERROR, - "FATAL: client protocol translator cannot have any " - "subvolumes"); - goto out; - } - - if (!this->parents) { - gf_log (this->name, GF_LOG_WARNING, - "Volume is dangling. "); - } - - remote_subvolume = dict_get (this->options, "remote-subvolume"); - if (remote_subvolume == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "Option 'remote-subvolume' is not specified."); - goto out; - } - - ret = dict_get_int32 (this->options, "frame-timeout", - &frame_timeout); - if (ret >= 0) { - gf_log (this->name, GF_LOG_DEBUG, - "setting frame-timeout to %d", frame_timeout); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "defaulting frame-timeout to 30mins"); - frame_timeout = 1800; - } - - ret = dict_get_int32 (this->options, "ping-timeout", - &ping_timeout); - if (ret >= 0) { - gf_log (this->name, GF_LOG_DEBUG, - "setting ping-timeout to %d", ping_timeout); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "defaulting ping-timeout to 42"); - ping_timeout = GF_UNIVERSAL_ANSWER; - } - - conf = GF_CALLOC (1, sizeof (client_conf_t), - gf_client_mt_client_conf_t); - - protocol_common_init (); - - pthread_mutex_init (&conf->mutex, NULL); - INIT_LIST_HEAD (&conf->saved_fds); - - this->private = conf; - - for (i = 0; i < CHANNEL_MAX; i++) { - if (CHANNEL_LOWLAT == i) { - dict_set (this->options, "transport.socket.lowlat", - data_from_dynstr (gf_strdup ("true"))); - } - trans = transport_load (this->options, this); - if (trans == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "Failed to load transport"); - ret = -1; - goto out; - } - - conn = GF_CALLOC (1, sizeof (*conn), - gf_client_mt_client_connection_t); - - conn->saved_frames = gf_client_saved_frames_new (); - - conn->callid = 1; - - conn->frame_timeout = frame_timeout; - conn->ping_timeout = ping_timeout; - - pthread_mutex_init (&conn->lock, NULL); - - trans->xl_private = conn; - conf->transport[i] = transport_ref (trans); - } - -#ifndef GF_DARWIN_HOST_OS - { - struct rlimit lim; - - lim.rlim_cur = 1048576; - lim.rlim_max = 1048576; - - ret = setrlimit (RLIMIT_NOFILE, &lim); - if (ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "WARNING: Failed to set 'ulimit -n 1M': %s", - strerror(errno)); - lim.rlim_cur = 65536; - lim.rlim_max = 65536; - - ret = setrlimit (RLIMIT_NOFILE, &lim); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "Failed to set max open fd to 64k: %s", - strerror(errno)); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "max open fd set to 64k"); - } - - } - } -#endif - ret = 0; -out: - return ret; -} - -/* - * fini - finish function called during unloading of client protocol - * @this: - * - */ -void -fini (xlator_t *this) -{ - /* TODO: Check if its enough.. how to call transport's fini () */ - client_conf_t *conf = NULL; - - conf = this->private; - this->private = NULL; - - if (conf) { - GF_FREE (conf); - } - return; -} - - -int -protocol_client_handshake (xlator_t *this, transport_t *trans) -{ - gf_hdr_common_t *hdr = NULL; - gf_mop_setvolume_req_t *req = NULL; - dict_t *options = NULL; - int32_t ret = -1; - int hdrlen = 0; - int dict_len = 0; - call_frame_t *fr = NULL; - char *process_uuid_xl; - - options = this->options; - ret = dict_set_str (options, "protocol-version", GF_PROTOCOL_VERSION); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to set protocol version(%s) in handshake msg", - GF_PROTOCOL_VERSION); - } - - ret = gf_asprintf (&process_uuid_xl, "%s-%s", this->ctx->process_uuid, - this->name); - if (-1 == ret) { - gf_log (this->name, GF_LOG_ERROR, - "asprintf failed while setting process_uuid"); - goto fail; - } - ret = dict_set_dynstr (options, "process-uuid", - process_uuid_xl); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to set process-uuid(%s) in handshake msg", - process_uuid_xl); - } - - if (this->ctx->cmd_args.volfile_server) { - if (this->ctx->cmd_args.volfile_id) - ret = dict_set_str (options, "volfile-key", - this->ctx->cmd_args.volfile_id); - ret = dict_set_uint32 (options, "volfile-checksum", - this->graph->volfile_checksum); - } - - dict_len = dict_serialized_length (options); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to get serialized length of dict(%p)", - options); - ret = dict_len; - goto fail; - } - - hdrlen = gf_hdr_len (req, dict_len); - hdr = gf_hdr_new (req, dict_len); - GF_VALIDATE_OR_GOTO (this->name, hdr, fail); - - req = gf_param (hdr); - - ret = dict_serialize (options, req->buf); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "failed to serialize dictionary(%p)", - options); - goto fail; - } - - req->dict_len = hton32 (dict_len); - fr = create_frame (this, this->ctx->pool); - GF_VALIDATE_OR_GOTO (this->name, fr, fail); - - fr->local = trans; - ret = protocol_client_xfer (fr, this, trans, - GF_OP_TYPE_MOP_REQUEST, GF_MOP_SETVOLUME, - hdr, hdrlen, NULL, 0, NULL); - return ret; -fail: - if (hdr) - GF_FREE (hdr); - return ret; -} - - -int -protocol_client_pollout (xlator_t *this, transport_t *trans) -{ - client_conf_t *conf = NULL; - - conf = trans->xl->private; - - pthread_mutex_lock (&conf->mutex); - { - gettimeofday (&conf->last_sent, NULL); - } - pthread_mutex_unlock (&conf->mutex); - - return 0; -} - - -int -protocol_client_pollin (xlator_t *this, transport_t *trans) -{ - client_conf_t *conf = NULL; - int ret = -1; - struct iobuf *iobuf = NULL; - char *hdr = NULL; - size_t hdrlen = 0; - - conf = trans->xl->private; - - pthread_mutex_lock (&conf->mutex); - { - gettimeofday (&conf->last_received, NULL); - } - pthread_mutex_unlock (&conf->mutex); - - ret = transport_receive (trans, &hdr, &hdrlen, &iobuf); - - if (ret == 0) - { - ret = protocol_client_interpret (this, trans, hdr, hdrlen, - iobuf); - } - - /* TODO: use mem-pool */ - GF_FREE (hdr); - - return ret; -} - -int -client_priv_dump (xlator_t *this) -{ - client_conf_t *conf = NULL; - int ret = -1; - client_fd_ctx_t *tmp = NULL; - int i = 0; - char key[GF_DUMP_MAX_BUF_LEN]; - char key_prefix[GF_DUMP_MAX_BUF_LEN]; - - if (!this) - return -1; - - conf = this->private; - if (!conf) { - gf_log (this->name, GF_LOG_WARNING, - "conf null in xlator"); - return -1; - } - - ret = pthread_mutex_trylock(&conf->mutex); - if (ret) { - gf_log("", GF_LOG_WARNING, "Unable to lock client %s" - " errno: %d", this->name, errno); - return -1; - } - - gf_proc_dump_build_key(key_prefix, "xlator.protocol.client", - "%s.priv", this->name); - - gf_proc_dump_add_section(key_prefix); - - list_for_each_entry(tmp, &conf->saved_fds, sfd_pos) { - gf_proc_dump_build_key(key, key_prefix, - "fd.%d.remote_fd", ++i); - gf_proc_dump_write(key, "%d", tmp->remote_fd); - } - - gf_proc_dump_build_key(key, key_prefix, "connecting"); - gf_proc_dump_write(key, "%d", conf->connecting); - gf_proc_dump_build_key(key, key_prefix, "last_sent"); - gf_proc_dump_write(key, "%s", ctime(&conf->last_sent.tv_sec)); - gf_proc_dump_build_key(key, key_prefix, "last_received"); - gf_proc_dump_write(key, "%s", ctime(&conf->last_received.tv_sec)); - - pthread_mutex_unlock(&conf->mutex); - - return 0; - -} - -int32_t -client_inodectx_dump (xlator_t *this, inode_t *inode) -{ - ino_t par = 0; - int ret = -1; - char key[GF_DUMP_MAX_BUF_LEN]; - - if (!inode) - return -1; - - if (!this) - return -1; - - ret = inode_ctx_get (inode, this, &par); - - if (ret != 0) - return ret; - - gf_proc_dump_build_key(key, "xlator.protocol.client", - "%s.inode.%ld.par", - this->name,inode->ino); - gf_proc_dump_write(key, "%ld", par); - - return 0; -} - -/* - * client_protocol_notify - notify function for client protocol - * @this: - * @trans: transport object - * @event - * - */ - -int -notify (xlator_t *this, int32_t event, void *data, ...) -{ - int i = 0; - int ret = 0; - int child_down = 1; - int was_not_down = 0; - transport_t *trans = NULL; - client_connection_t *conn = NULL; - client_conf_t *conf = NULL; - xlator_list_t *parent = NULL; - - conf = this->private; - trans = data; - - switch (event) { - case GF_EVENT_POLLOUT: - { - ret = protocol_client_pollout (this, trans); - - break; - } - case GF_EVENT_POLLIN: - { - ret = protocol_client_pollin (this, trans); - - break; - } - /* no break for ret check to happen below */ - case GF_EVENT_POLLERR: - { - ret = -1; - protocol_client_cleanup (trans); - - if (conf->connecting == 0) { - /* Let the connection/re-connection happen in - * background, for now, don't hang here, - * tell the parents that i am all ok.. - */ - parent = trans->xl->parents; - while (parent) { - parent->xlator->notify (parent->xlator, - GF_EVENT_CHILD_CONNECTING, - trans->xl); - parent = parent->next; - } - conf->connecting = 1; - } - - was_not_down = 0; - for (i = 0; i < CHANNEL_MAX; i++) { - conn = conf->transport[i]->xl_private; - if (conn->connected == 1) - was_not_down = 1; - } - - conn = trans->xl_private; - if (conn->connected) { - conn->connected = 0; - if (conn->reconnect == 0) - client_protocol_reconnect (trans); - } - - child_down = 1; - for (i = 0; i < CHANNEL_MAX; i++) { - trans = conf->transport[i]; - conn = trans->xl_private; - if (conn->connected == 1) - child_down = 0; - } - - if (child_down && was_not_down) { - gf_log (this->name, GF_LOG_INFO, "disconnected"); - - protocol_client_mark_fd_bad (this); - - parent = this->parents; - while (parent) { - xlator_notify (parent->xlator, - GF_EVENT_CHILD_DOWN, this); - parent = parent->next; - } - } - } - break; - - case GF_EVENT_PARENT_UP: - { - client_conf_t *conf = NULL; - int i = 0; - transport_t *trans = NULL; - - conf = this->private; - for (i = 0; i < CHANNEL_MAX; i++) { - trans = conf->transport[i]; - if (!trans) { - gf_log (this->name, GF_LOG_DEBUG, - "transport init failed"); - return -1; - } - - conn = trans->xl_private; - - gf_log (this->name, GF_LOG_DEBUG, - "got GF_EVENT_PARENT_UP, attempting connect " - "on transport"); - - client_protocol_reconnect (trans); - } - } - break; - - case GF_EVENT_CHILD_UP: - { - char *handshake = NULL; - - ret = dict_get_str (this->options, "disable-handshake", - &handshake); - gf_log (this->name, GF_LOG_DEBUG, - "got GF_EVENT_CHILD_UP"); - if ((ret < 0) || - (strcasecmp (handshake, "on"))) { - ret = protocol_client_handshake (this, trans); - } else { - conn = trans->xl_private; - conn->connected = 1; - ret = default_notify (this, event, trans); - } - - if (ret) - transport_disconnect (trans); - - } - break; - - default: - gf_log (this->name, GF_LOG_DEBUG, - "got %d, calling default_notify ()", event); - - default_notify (this, event, data); - break; - } - - return ret; -} - - -struct xlator_fops fops = { - .stat = client_stat, - .readlink = client_readlink, - .mknod = client_mknod, - .mkdir = client_mkdir, - .unlink = client_unlink, - .rmdir = client_rmdir, - .symlink = client_symlink, - .rename = client_rename, - .link = client_link, - .truncate = client_truncate, - .open = client_open, - .readv = client_readv, - .writev = client_writev, - .statfs = client_statfs, - .flush = client_flush, - .fsync = client_fsync, - .setxattr = client_setxattr, - .getxattr = client_getxattr, - .fsetxattr = client_fsetxattr, - .fgetxattr = client_fgetxattr, - .removexattr = client_removexattr, - .opendir = client_opendir, - .readdir = client_readdir, - .readdirp = client_readdirp, - .fsyncdir = client_fsyncdir, - .access = client_access, - .ftruncate = client_ftruncate, - .fstat = client_fstat, - .create = client_create, - .lk = client_lk, - .inodelk = client_inodelk, - .finodelk = client_finodelk, - .entrylk = client_entrylk, - .fentrylk = client_fentrylk, - .lookup = client_lookup, - .rchecksum = client_rchecksum, - .xattrop = client_xattrop, - .fxattrop = client_fxattrop, - .setattr = client_setattr, - .fsetattr = client_fsetattr, - .getspec = client_getspec, -}; - -struct xlator_cbks cbks = { - .release = client_release, - .releasedir = client_releasedir -}; - - -struct xlator_dumpops dumpops = { - .priv = client_priv_dump, - .inodectx = client_inodectx_dump, -}; - -struct volume_options options[] = { - { .key = {"username"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"password"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport-type"}, - .value = {"tcp", "socket", "ib-verbs", "unix", "ib-sdp", - "tcp/client", "ib-verbs/client"}, - .type = GF_OPTION_TYPE_STR - }, - { .key = {"remote-host"}, - .type = GF_OPTION_TYPE_INTERNET_ADDRESS - }, - { .key = {"remote-subvolume"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"frame-timeout"}, - .type = GF_OPTION_TYPE_TIME, - .min = 0, - .max = 86400, - }, - { .key = {"ping-timeout"}, - .type = GF_OPTION_TYPE_TIME, - .min = 1, - .max = 1013, - }, - { .key = {NULL} }, -}; diff --git a/xlators/protocol/legacy/client/src/client-protocol.h b/xlators/protocol/legacy/client/src/client-protocol.h deleted file mode 100644 index cd856d50e05..00000000000 --- a/xlators/protocol/legacy/client/src/client-protocol.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CLIENT_PROTOCOL_H -#define _CLIENT_PROTOCOL_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <stdio.h> -#include <arpa/inet.h> -#include "inode.h" -#include "timer.h" -#include "byte-order.h" -#include "saved-frames.h" - -#define CLIENT_PORT_CEILING 1023 - -#define GF_CLIENT_INODE_SELF 0 -#define GF_CLIENT_INODE_PARENT 1 - -#define CLIENT_CONF(this) ((client_conf_t *)(this->private)) - -#define RECEIVE_TIMEOUT(_cprivate,_current) \ - ((_cprivate->last_received.tv_sec + \ - _cprivate->frame_timeout) < \ - _current.tv_sec) - -#define SEND_TIMEOUT(_cprivate,_current) \ - ((_cprivate->last_sent.tv_sec + \ - _cprivate->frame_timeout) < \ - _current.tv_sec) - -enum { - CHANNEL_BULK = 0, - CHANNEL_LOWLAT = 1, - CHANNEL_MAX -}; - -#define CLIENT_CHANNEL client_channel - -struct client_connection; -typedef struct client_connection client_connection_t; - -#include "stack.h" -#include "xlator.h" -#include "transport.h" -#include "protocol.h" - -typedef struct _client_fd_ctx { - struct list_head sfd_pos; /* Stores the reference to this - fd's position in the saved_fds list. - */ - int64_t remote_fd; - inode_t *inode; - uint64_t ino; - uint64_t gen; - char is_dir; - char released; - int32_t flags; - int32_t wbflags; -} client_fd_ctx_t; - -struct _client_conf { - transport_t *transport[CHANNEL_MAX]; - struct list_head saved_fds; - struct timeval last_sent; - struct timeval last_received; - pthread_mutex_t mutex; - int connecting; -}; -typedef struct _client_conf client_conf_t; - -/* This will be stored in transport_t->xl_private */ -struct client_connection { - pthread_mutex_t lock; - uint64_t callid; - struct saved_frames *saved_frames; - int32_t frame_timeout; - int32_t ping_started; - int32_t ping_timeout; - int32_t transport_activity; - gf_timer_t *reconnect; - char connected; - uint64_t max_block_size; - gf_timer_t *timer; - gf_timer_t *ping_timer; -}; - -typedef struct { - loc_t loc; - loc_t loc2; - fd_t *fd; - gf_op_t op; - client_fd_ctx_t *fdctx; - uint32_t flags; - uint32_t wbflags; -} client_local_t; - - -static inline void -gf_string_to_stat(char *string, struct iatt *stbuf) -{ - uint64_t dev = 0; - uint64_t ino = 0; - uint32_t mode = 0; - uint32_t nlink = 0; - uint32_t uid = 0; - uint32_t gid = 0; - uint64_t rdev = 0; - uint64_t size = 0; - uint32_t blksize = 0; - uint64_t blocks = 0; - uint32_t atime = 0; - uint32_t atime_nsec = 0; - uint32_t mtime = 0; - uint32_t mtime_nsec = 0; - uint32_t ctime = 0; - uint32_t ctime_nsec = 0; - - sscanf (string, GF_STAT_PRINT_FMT_STR, - &dev, - &ino, - &mode, - &nlink, - &uid, - &gid, - &rdev, - &size, - &blksize, - &blocks, - &atime, - &atime_nsec, - &mtime, - &mtime_nsec, - &ctime, - &ctime_nsec); - - stbuf->ia_gen = dev; - stbuf->ia_ino = ino; - stbuf->ia_prot = ia_prot_from_st_mode (mode); - stbuf->ia_type = ia_type_from_st_mode (mode); - stbuf->ia_nlink = nlink; - stbuf->ia_uid = uid; - stbuf->ia_gid = gid; - stbuf->ia_rdev = rdev; - stbuf->ia_size = size; - stbuf->ia_blksize = blksize; - stbuf->ia_blocks = blocks; - - stbuf->ia_atime = atime; - stbuf->ia_mtime = mtime; - stbuf->ia_ctime = ctime; - - stbuf->ia_atime_nsec = atime_nsec; - stbuf->ia_mtime_nsec = mtime_nsec; - stbuf->ia_ctime_nsec = ctime_nsec; -} - -#endif diff --git a/xlators/protocol/legacy/client/src/saved-frames.c b/xlators/protocol/legacy/client/src/saved-frames.c deleted file mode 100644 index b884a9796fc..00000000000 --- a/xlators/protocol/legacy/client/src/saved-frames.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#include "saved-frames.h" -#include "common-utils.h" -#include "protocol.h" -#include "xlator.h" -#include "client-mem-types.h" - - - -struct saved_frames * -gf_client_saved_frames_new (void) -{ - struct saved_frames *saved_frames = NULL; - - saved_frames = GF_CALLOC (sizeof (*saved_frames), 1, - gf_client_mt_saved_frames); - if (!saved_frames) { - return NULL; - } - - gf_log ("", 1, "here"); - INIT_LIST_HEAD (&saved_frames->fops.list); - INIT_LIST_HEAD (&saved_frames->mops.list); - INIT_LIST_HEAD (&saved_frames->cbks.list); - - return saved_frames; -} - - -struct saved_frame * -get_head_frame_for_type (struct saved_frames *frames, int8_t type) -{ - struct saved_frame *head_frame = NULL; - - switch (type) { - case GF_OP_TYPE_FOP_REQUEST: - case GF_OP_TYPE_FOP_REPLY: - head_frame = &frames->fops; - break; - case GF_OP_TYPE_MOP_REQUEST: - case GF_OP_TYPE_MOP_REPLY: - head_frame = &frames->mops; - break; - case GF_OP_TYPE_CBK_REQUEST: - case GF_OP_TYPE_CBK_REPLY: - head_frame = &frames->cbks; - break; - } - - return head_frame; -} - - -int -saved_frames_put (struct saved_frames *frames, call_frame_t *frame, - int32_t op, int8_t type, int64_t callid) -{ - struct saved_frame *saved_frame = NULL; - struct saved_frame *head_frame = NULL; - - head_frame = get_head_frame_for_type (frames, type); - - saved_frame = GF_CALLOC (sizeof (*saved_frame), 1, - gf_client_mt_saved_frame); - if (!saved_frame) { - return -ENOMEM; - } - - INIT_LIST_HEAD (&saved_frame->list); - saved_frame->frame = frame; - saved_frame->op = op; - saved_frame->type = type; - saved_frame->callid = callid; - - gettimeofday (&saved_frame->saved_at, NULL); - - list_add_tail (&saved_frame->list, &head_frame->list); - frames->count++; - - return 0; -} - - -call_frame_t * -saved_frames_get (struct saved_frames *frames, int32_t op, - int8_t type, int64_t callid) -{ - struct saved_frame *saved_frame = NULL; - struct saved_frame *tmp = NULL; - struct saved_frame *head_frame = NULL; - call_frame_t *frame = NULL; - - head_frame = get_head_frame_for_type (frames, type); - - list_for_each_entry (tmp, &head_frame->list, list) { - if (tmp->callid == callid) { - list_del_init (&tmp->list); - frames->count--; - saved_frame = tmp; - break; - } - } - - if (saved_frame) - frame = saved_frame->frame; - - GF_FREE (saved_frame); - - return frame; -} - -struct saved_frame * -saved_frames_get_timedout (struct saved_frames *frames, int8_t type, - uint32_t timeout, struct timeval *current) -{ - struct saved_frame *bailout_frame = NULL, *tmp = NULL; - struct saved_frame *head_frame = NULL; - - head_frame = get_head_frame_for_type (frames, type); - - if (!list_empty(&head_frame->list)) { - tmp = list_entry (head_frame->list.next, typeof (*tmp), list); - if ((tmp->saved_at.tv_sec + timeout) < current->tv_sec) { - bailout_frame = tmp; - list_del_init (&bailout_frame->list); - frames->count--; - } - } - - return bailout_frame; -} - -void -saved_frames_unwind (xlator_t *this, struct saved_frames *saved_frames, - struct saved_frame *head, - gf_op_t gf_ops[], char *gf_op_list[]) -{ - struct saved_frame *trav = NULL; - struct saved_frame *tmp = NULL; - - gf_hdr_common_t hdr = {0, }; - call_frame_t *frame = NULL; - - hdr.rsp.op_ret = hton32 (-1); - hdr.rsp.op_errno = hton32 (ENOTCONN); - - list_for_each_entry_safe (trav, tmp, &head->list, list) { - gf_log (this->name, GF_LOG_ERROR, - "forced unwinding frame type(%d) op(%s)", - trav->type, gf_op_list[trav->op]); - - hdr.type = hton32 (trav->type); - hdr.op = hton32 (trav->op); - - frame = trav->frame; - - saved_frames->count--; - - gf_ops[trav->op] (frame, &hdr, sizeof (hdr), NULL); - - list_del_init (&trav->list); - GF_FREE (trav); - } -} - - -void -gf_client_saved_frames_destroy (xlator_t *this, struct saved_frames *frames, - gf_op_t gf_fops[], gf_op_t gf_mops[], - gf_op_t gf_cbks[]) -{ - saved_frames_unwind (this, frames, &frames->fops, gf_fops, gf_fop_list); - saved_frames_unwind (this, frames, &frames->mops, gf_mops, gf_mop_list); - saved_frames_unwind (this, frames, &frames->cbks, gf_cbks, gf_cbk_list); - - GF_FREE (frames); -} diff --git a/xlators/protocol/legacy/client/src/saved-frames.h b/xlators/protocol/legacy/client/src/saved-frames.h deleted file mode 100644 index 9f7fe0a7d26..00000000000 --- a/xlators/protocol/legacy/client/src/saved-frames.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _SAVED_FRAMES_H -#define _SAVED_FRAMES_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <stdint.h> -#include <sys/time.h> -#include "stack.h" -#include "list.h" -#include "protocol.h" - -/* UGLY: have common typedef b/w saved-frames.c and protocol-client.c */ -typedef int32_t (*gf_op_t) (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf); - - -struct saved_frame { - union { - struct list_head list; - struct { - struct saved_frame *frame_next; - struct saved_frame *frame_prev; - }; - }; - - struct timeval saved_at; - call_frame_t *frame; - int32_t op; - int8_t type; - uint64_t callid; -}; - - -struct saved_frames { - int64_t count; - struct saved_frame fops; - struct saved_frame mops; - struct saved_frame cbks; -}; - - -struct saved_frames *gf_client_saved_frames_new (); -int saved_frames_put (struct saved_frames *frames, call_frame_t *frame, - int32_t op, int8_t type, int64_t callid); -call_frame_t *saved_frames_get (struct saved_frames *frames, int32_t op, - int8_t type, int64_t callid); - -struct saved_frame * -saved_frames_get_timedout (struct saved_frames *frames, int8_t type, - uint32_t timeout, struct timeval *current); - -void gf_client_saved_frames_destroy (xlator_t *this, struct saved_frames *frames, - gf_op_t gf_fops[], gf_op_t gf_mops[], - gf_op_t gf_cbks[]); - -#endif /* _SAVED_FRAMES_H */ diff --git a/xlators/protocol/legacy/lib/Makefile.am b/xlators/protocol/legacy/lib/Makefile.am deleted file mode 100644 index d471a3f9243..00000000000 --- a/xlators/protocol/legacy/lib/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -SUBDIRS = src - -CLEANFILES = diff --git a/xlators/protocol/legacy/lib/src/Makefile.am b/xlators/protocol/legacy/lib/src/Makefile.am deleted file mode 100644 index 1f0e93e3047..00000000000 --- a/xlators/protocol/legacy/lib/src/Makefile.am +++ /dev/null @@ -1,14 +0,0 @@ -lib_LTLIBRARIES = libgfproto.la - -libgfproto_la_CFLAGS = -fPIC -Wall -g -shared -nostartfiles $(GF_CFLAGS) $(GF_DARWIN_LIBGLUSTERFS_CFLAGS) - -libgfproto_la_CPPFLAGS = -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64 -D_GNU_SOURCE \ - -D$(GF_HOST_OS) -DLIBDIR=\"$(libdir)/glusterfs/$(PACKAGE_VERSION)/auth\" \ - -DTRANSPORTDIR=\"$(libdir)/glusterfs/$(PACKAGE_VERSION)/transport\" \ - -I$(CONTRIBDIR)/rbtree -I$(top_srcdir)/libglusterfs/src/ - -libgfproto_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la - -libgfproto_la_SOURCES = transport.c protocol.c - -noinst_HEADERS = transport.h protocol.h diff --git a/xlators/protocol/legacy/lib/src/protocol.c b/xlators/protocol/legacy/lib/src/protocol.c deleted file mode 100644 index 63950f43dec..00000000000 --- a/xlators/protocol/legacy/lib/src/protocol.c +++ /dev/null @@ -1,108 +0,0 @@ - -#include "globals.h" -#include "compat.h" -#include "protocol.h" - -char *gf_mop_list[GF_MOP_MAXVALUE]; -char *gf_cbk_list[GF_CBK_MAXVALUE]; - -static int -gf_dirent_nb_size (gf_dirent_t *entries) -{ - return (sizeof (struct gf_dirent_nb) + strlen (entries->d_name) + 1); -} - -int -gf_dirent_serialize (gf_dirent_t *entries, char *buf, size_t buf_size) -{ - struct gf_dirent_nb *entry_nb = NULL; - gf_dirent_t *entry = NULL; - int size = 0; - int entry_size = 0; - - - list_for_each_entry (entry, &entries->list, list) { - entry_size = gf_dirent_nb_size (entry); - - if (buf && (size + entry_size <= buf_size)) { - entry_nb = (void *) (buf + size); - - entry_nb->d_ino = hton64 (entry->d_ino); - entry_nb->d_off = hton64 (entry->d_off); - entry_nb->d_len = hton32 (entry->d_len); - entry_nb->d_type = hton32 (entry->d_type); - - gf_stat_from_iatt (&entry_nb->d_stat, &entry->d_stat); - - strcpy (entry_nb->d_name, entry->d_name); - } - size += entry_size; - } - - return size; -} - - -int -gf_dirent_unserialize (gf_dirent_t *entries, const char *buf, size_t buf_size) -{ - struct gf_dirent_nb *entry_nb = NULL; - int remaining_size = 0; - int least_dirent_size = 0; - int count = 0; - gf_dirent_t *entry = NULL; - int entry_strlen = 0; - int entry_len = 0; - - - remaining_size = buf_size; - least_dirent_size = (sizeof (struct gf_dirent_nb) + 2); - - while (remaining_size >= least_dirent_size) { - entry_nb = (void *)(buf + (buf_size - remaining_size)); - - entry_strlen = strnlen (entry_nb->d_name, remaining_size); - if (entry_strlen == remaining_size) { - break; - } - - entry_len = sizeof (gf_dirent_t) + entry_strlen + 1; - entry = GF_CALLOC (1, entry_len, gf_common_mt_gf_dirent_t); - if (!entry) { - break; - } - - entry->d_ino = ntoh64 (entry_nb->d_ino); - entry->d_off = ntoh64 (entry_nb->d_off); - entry->d_len = ntoh32 (entry_nb->d_len); - entry->d_type = ntoh32 (entry_nb->d_type); - - gf_stat_to_iatt (&entry_nb->d_stat, &entry->d_stat); - - strcpy (entry->d_name, entry_nb->d_name); - - list_add_tail (&entry->list, &entries->list); - - remaining_size -= (sizeof (*entry_nb) + entry_strlen + 1); - count++; - } - - return count; -} - -int -protocol_common_init (void) -{ - gf_mop_list[GF_MOP_SETVOLUME] = "SETVOLUME"; - gf_mop_list[GF_MOP_GETVOLUME] = "GETVOLUME"; - gf_mop_list[GF_MOP_SETSPEC] = "SETSPEC"; - gf_mop_list[GF_MOP_GETSPEC] = "GETSPEC"; - gf_mop_list[GF_MOP_LOG] = "LOG"; - gf_mop_list[GF_MOP_PING] = "PING"; - - gf_cbk_list[GF_CBK_FORGET] = "FORGET"; - gf_cbk_list[GF_CBK_RELEASE] = "RELEASE"; - gf_cbk_list[GF_CBK_RELEASEDIR] = "RELEASEDIR"; - - return 0; -} diff --git a/xlators/protocol/legacy/lib/src/protocol.h b/xlators/protocol/legacy/lib/src/protocol.h deleted file mode 100644 index 6c568ed0d3a..00000000000 --- a/xlators/protocol/legacy/lib/src/protocol.h +++ /dev/null @@ -1,1118 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _PROTOCOL_H -#define _PROTOCOL_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <inttypes.h> -#include <sys/time.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/statvfs.h> -#include <unistd.h> -#include <fcntl.h> - -#include "byte-order.h" -#include "iatt.h" - -/* Any changes in the protocol structure or adding new '[f,m]ops' needs to - * bump the protocol version by "0.1" - */ - -#define GF_PROTOCOL_VERSION "3.0" - -extern char *gf_mop_list[]; -extern char *gf_cbk_list[]; - -/* NOTE: add members ONLY at the end (just before _MAXVALUE) */ -typedef enum { - GF_PROTO_FOP_STAT, /* 0 */ - GF_PROTO_FOP_READLINK, /* 1 */ - GF_PROTO_FOP_MKNOD, /* 2 */ - GF_PROTO_FOP_MKDIR, - GF_PROTO_FOP_UNLINK, - GF_PROTO_FOP_RMDIR, /* 5 */ - GF_PROTO_FOP_SYMLINK, - GF_PROTO_FOP_RENAME, - GF_PROTO_FOP_LINK, - GF_PROTO_FOP_TRUNCATE, - GF_PROTO_FOP_OPEN, /* 10 */ - GF_PROTO_FOP_READ, - GF_PROTO_FOP_WRITE, - GF_PROTO_FOP_STATFS, /* 15 */ - GF_PROTO_FOP_FLUSH, - GF_PROTO_FOP_FSYNC, - GF_PROTO_FOP_SETXATTR, - GF_PROTO_FOP_GETXATTR, - GF_PROTO_FOP_REMOVEXATTR,/* 20 */ - GF_PROTO_FOP_OPENDIR, - GF_PROTO_FOP_GETDENTS, - GF_PROTO_FOP_FSYNCDIR, - GF_PROTO_FOP_ACCESS, - GF_PROTO_FOP_CREATE, /* 25 */ - GF_PROTO_FOP_FTRUNCATE, - GF_PROTO_FOP_FSTAT, - GF_PROTO_FOP_LK, - GF_PROTO_FOP_LOOKUP, - GF_PROTO_FOP_SETDENTS, - GF_PROTO_FOP_READDIR, - GF_PROTO_FOP_INODELK, /* 35 */ - GF_PROTO_FOP_FINODELK, - GF_PROTO_FOP_ENTRYLK, - GF_PROTO_FOP_FENTRYLK, - GF_PROTO_FOP_CHECKSUM, - GF_PROTO_FOP_XATTROP, /* 40 */ - GF_PROTO_FOP_FXATTROP, - GF_PROTO_FOP_LOCK_NOTIFY, - GF_PROTO_FOP_LOCK_FNOTIFY, - GF_PROTO_FOP_FGETXATTR, - GF_PROTO_FOP_FSETXATTR, /* 45 */ - GF_PROTO_FOP_RCHECKSUM, - GF_PROTO_FOP_SETATTR, - GF_PROTO_FOP_FSETATTR, - GF_PROTO_FOP_READDIRP, - GF_PROTO_FOP_MAXVALUE, -} glusterfs_proto_fop_t; - -/* NOTE: add members ONLY at the end (just before _MAXVALUE) */ -typedef enum { - GF_MOP_SETVOLUME, /* 0 */ - GF_MOP_GETVOLUME, /* 1 */ - GF_MOP_STATS, - GF_MOP_SETSPEC, - GF_MOP_GETSPEC, - GF_MOP_PING, /* 5 */ - GF_MOP_LOG, - GF_MOP_NOTIFY, - GF_MOP_MAXVALUE, /* 8 */ -} glusterfs_mop_t; - -typedef enum { - GF_CBK_FORGET, /* 0 */ - GF_CBK_RELEASE, /* 1 */ - GF_CBK_RELEASEDIR, /* 2 */ - GF_CBK_MAXVALUE /* 3 */ -} glusterfs_cbk_t; - -typedef enum { - GF_OP_TYPE_FOP_REQUEST = 1, - GF_OP_TYPE_MOP_REQUEST, - GF_OP_TYPE_CBK_REQUEST, - GF_OP_TYPE_FOP_REPLY, - GF_OP_TYPE_MOP_REPLY, - GF_OP_TYPE_CBK_REPLY -} glusterfs_op_type_t; - - -struct gf_stat { - uint64_t ino; - uint64_t size; - uint64_t blocks; - uint64_t dev; - uint32_t rdev; - uint32_t mode; - uint32_t nlink; - uint32_t uid; - uint32_t gid; - uint32_t blksize; - uint32_t atime; - uint32_t atime_nsec; - uint32_t mtime ; - uint32_t mtime_nsec; - uint32_t ctime; - uint32_t ctime_nsec; -} __attribute__((packed)); - - -static inline void -gf_stat_to_stat (struct gf_stat *gf_stat, struct stat *stat) -{ - stat->st_dev = ntoh64 (gf_stat->dev); - stat->st_ino = ntoh64 (gf_stat->ino); - stat->st_mode = ntoh32 (gf_stat->mode); - stat->st_nlink = ntoh32 (gf_stat->nlink); - stat->st_uid = ntoh32 (gf_stat->uid); - stat->st_gid = ntoh32 (gf_stat->gid); - stat->st_rdev = ntoh32 (gf_stat->rdev); - stat->st_size = ntoh64 (gf_stat->size); - stat->st_blksize = ntoh32 (gf_stat->blksize); - stat->st_blocks = ntoh64 (gf_stat->blocks); - stat->st_atime = ntoh32 (gf_stat->atime); - stat->st_mtime = ntoh32 (gf_stat->mtime); - stat->st_ctime = ntoh32 (gf_stat->ctime); - ST_ATIM_NSEC_SET(stat, ntoh32 (gf_stat->atime_nsec)); - ST_MTIM_NSEC_SET(stat, ntoh32 (gf_stat->mtime_nsec)); - ST_CTIM_NSEC_SET(stat, ntoh32 (gf_stat->ctime_nsec)); -} - - -static inline void -gf_stat_from_stat (struct gf_stat *gf_stat, struct stat *stat) -{ - gf_stat->dev = hton64 (stat->st_dev); - gf_stat->ino = hton64 (stat->st_ino); - gf_stat->mode = hton32 (stat->st_mode); - gf_stat->nlink = hton32 (stat->st_nlink); - gf_stat->uid = hton32 (stat->st_uid); - gf_stat->gid = hton32 (stat->st_gid); - gf_stat->rdev = hton32 (stat->st_rdev); - gf_stat->size = hton64 (stat->st_size); - gf_stat->blksize = hton32 (stat->st_blksize); - gf_stat->blocks = hton64 (stat->st_blocks); - gf_stat->atime = hton32 (stat->st_atime); - gf_stat->mtime = hton32 (stat->st_mtime); - gf_stat->ctime = hton32 (stat->st_ctime); - gf_stat->atime_nsec = hton32 (ST_ATIM_NSEC(stat)); - gf_stat->mtime_nsec = hton32 (ST_MTIM_NSEC(stat)); - gf_stat->ctime_nsec = hton32 (ST_CTIM_NSEC(stat)); -} - - -static inline void -gf_stat_to_iatt (struct gf_stat *gf_stat, struct iatt *iatt) -{ - iatt->ia_ino = ntoh64 (gf_stat->ino); - iatt->ia_dev = ntoh64 (gf_stat->dev); - iatt->ia_type = ia_type_from_st_mode (ntoh32 (gf_stat->mode)); - iatt->ia_prot = ia_prot_from_st_mode (ntoh32 (gf_stat->mode)); - iatt->ia_nlink = ntoh32 (gf_stat->nlink); - iatt->ia_uid = ntoh32 (gf_stat->uid); - iatt->ia_gid = ntoh32 (gf_stat->gid); - iatt->ia_rdev = ntoh64 (gf_stat->rdev); - iatt->ia_size = ntoh64 (gf_stat->size); - iatt->ia_blksize = ntoh32 (gf_stat->blksize); - iatt->ia_blocks = ntoh64 (gf_stat->blocks); - iatt->ia_atime = ntoh32 (gf_stat->atime); - iatt->ia_atime_nsec = ntoh32 (gf_stat->atime_nsec); - iatt->ia_mtime = ntoh32 (gf_stat->mtime); - iatt->ia_mtime_nsec = ntoh32 (gf_stat->mtime_nsec); - iatt->ia_ctime = ntoh32 (gf_stat->ctime); - iatt->ia_ctime_nsec = ntoh32 (gf_stat->ctime_nsec); - - iatt->ia_gen = ntoh64 (gf_stat->dev); -} - - -static inline void -gf_stat_from_iatt (struct gf_stat *gf_stat, struct iatt *iatt) -{ - gf_stat->ino = hton64 (iatt->ia_ino); - gf_stat->dev = hton64 (iatt->ia_dev); - gf_stat->mode = hton32 (st_mode_from_ia (iatt->ia_prot, - iatt->ia_type)); - gf_stat->nlink = hton32 (iatt->ia_nlink); - gf_stat->uid = hton32 (iatt->ia_uid); - gf_stat->gid = hton32 (iatt->ia_gid); - gf_stat->rdev = hton32 (iatt->ia_rdev); - gf_stat->size = hton64 (iatt->ia_size); - gf_stat->blksize = hton32 (iatt->ia_blksize); - gf_stat->blocks = hton64 (iatt->ia_blocks); - gf_stat->atime = hton32 (iatt->ia_atime); - gf_stat->atime_nsec = hton32 (iatt->ia_atime_nsec); - gf_stat->mtime = hton32 (iatt->ia_mtime); - gf_stat->mtime_nsec = hton32 (iatt->ia_mtime_nsec); - gf_stat->ctime = hton32 (iatt->ia_ctime); - gf_stat->ctime_nsec = hton32 (iatt->ia_ctime_nsec); - - gf_stat->dev = hton64 (iatt->ia_gen); - -} - - -struct gf_statfs { - uint64_t bsize; - uint64_t frsize; - uint64_t blocks; - uint64_t bfree; - uint64_t bavail; - uint64_t files; - uint64_t ffree; - uint64_t favail; - uint64_t fsid; - uint64_t flag; - uint64_t namemax; -} __attribute__((packed)); - - -static inline void -gf_statfs_to_statfs (struct gf_statfs *gf_stat, struct statvfs *stat) -{ - stat->f_bsize = ntoh64 (gf_stat->bsize); - stat->f_frsize = ntoh64 (gf_stat->frsize); - stat->f_blocks = ntoh64 (gf_stat->blocks); - stat->f_bfree = ntoh64 (gf_stat->bfree); - stat->f_bavail = ntoh64 (gf_stat->bavail); - stat->f_files = ntoh64 (gf_stat->files); - stat->f_ffree = ntoh64 (gf_stat->ffree); - stat->f_favail = ntoh64 (gf_stat->favail); - stat->f_fsid = ntoh64 (gf_stat->fsid); - stat->f_flag = ntoh64 (gf_stat->flag); - stat->f_namemax = ntoh64 (gf_stat->namemax); -} - - -static inline void -gf_statfs_from_statfs (struct gf_statfs *gf_stat, struct statvfs *stat) -{ - gf_stat->bsize = hton64 (stat->f_bsize); - gf_stat->frsize = hton64 (stat->f_frsize); - gf_stat->blocks = hton64 (stat->f_blocks); - gf_stat->bfree = hton64 (stat->f_bfree); - gf_stat->bavail = hton64 (stat->f_bavail); - gf_stat->files = hton64 (stat->f_files); - gf_stat->ffree = hton64 (stat->f_ffree); - gf_stat->favail = hton64 (stat->f_favail); - gf_stat->fsid = hton64 (stat->f_fsid); - gf_stat->flag = hton64 (stat->f_flag); - gf_stat->namemax = hton64 (stat->f_namemax); -} - - -struct gf_flock { - uint16_t type; - uint16_t whence; - uint64_t start; - uint64_t len; - uint32_t pid; -} __attribute__((packed)); - - -static inline void -gf_flock_to_flock (struct gf_flock *gf_flock, struct gf_flock *flock) -{ - flock->l_type = ntoh16 (gf_flock->type); - flock->l_whence = ntoh16 (gf_flock->whence); - flock->l_start = ntoh64 (gf_flock->start); - flock->l_len = ntoh64 (gf_flock->len); - flock->l_pid = ntoh32 (gf_flock->pid); -} - - -static inline void -gf_flock_from_flock (struct gf_flock *gf_flock, struct gf_flock *flock) -{ - gf_flock->type = hton16 (flock->l_type); - gf_flock->whence = hton16 (flock->l_whence); - gf_flock->start = hton64 (flock->l_start); - gf_flock->len = hton64 (flock->l_len); - gf_flock->pid = hton32 (flock->l_pid); -} - - -struct gf_timespec { - uint32_t tv_sec; - uint32_t tv_nsec; -} __attribute__((packed)); - - -static inline void -gf_timespec_to_timespec (struct gf_timespec *gf_ts, struct timespec *ts) -{ - - ts[0].tv_sec = ntoh32 (gf_ts[0].tv_sec); - ts[0].tv_nsec = ntoh32 (gf_ts[0].tv_nsec); - ts[1].tv_sec = ntoh32 (gf_ts[1].tv_sec); - ts[1].tv_nsec = ntoh32 (gf_ts[1].tv_nsec); -} - - -static inline void -gf_timespec_from_timespec (struct gf_timespec *gf_ts, struct timespec *ts) -{ - gf_ts[0].tv_sec = hton32 (ts[0].tv_sec); - gf_ts[0].tv_nsec = hton32 (ts[0].tv_nsec); - gf_ts[1].tv_sec = hton32 (ts[1].tv_sec); - gf_ts[1].tv_nsec = hton32 (ts[1].tv_nsec); -} - - -#define GF_O_ACCMODE 003 -#define GF_O_RDONLY 00 -#define GF_O_WRONLY 01 -#define GF_O_RDWR 02 -#define GF_O_CREAT 0100 -#define GF_O_EXCL 0200 -#define GF_O_NOCTTY 0400 -#define GF_O_TRUNC 01000 -#define GF_O_APPEND 02000 -#define GF_O_NONBLOCK 04000 -#define GF_O_SYNC 010000 -#define GF_O_ASYNC 020000 - -#define GF_O_DIRECT 040000 -#define GF_O_DIRECTORY 0200000 -#define GF_O_NOFOLLOW 0400000 -#define GF_O_NOATIME 01000000 -#define GF_O_CLOEXEC 02000000 - -#define GF_O_LARGEFILE 0100000 - -#define XLATE_BIT(from, to, bit) do { \ - if (from & bit) \ - to = to | GF_##bit; \ - } while (0) - -#define UNXLATE_BIT(from, to, bit) do { \ - if (from & GF_##bit) \ - to = to | bit; \ - } while (0) - -#define XLATE_ACCESSMODE(from, to) do { \ - switch (from & O_ACCMODE) { \ - case O_RDONLY: to |= GF_O_RDONLY; \ - break; \ - case O_WRONLY: to |= GF_O_WRONLY; \ - break; \ - case O_RDWR: to |= GF_O_RDWR; \ - break; \ - } \ - } while (0) - -#define UNXLATE_ACCESSMODE(from, to) do { \ - switch (from & GF_O_ACCMODE) { \ - case GF_O_RDONLY: to |= O_RDONLY; \ - break; \ - case GF_O_WRONLY: to |= O_WRONLY; \ - break; \ - case GF_O_RDWR: to |= O_RDWR; \ - break; \ - } \ - } while (0) - -static inline uint32_t -gf_flags_from_flags (uint32_t flags) -{ - uint32_t gf_flags = 0; - - XLATE_ACCESSMODE (flags, gf_flags); - - XLATE_BIT (flags, gf_flags, O_CREAT); - XLATE_BIT (flags, gf_flags, O_EXCL); - XLATE_BIT (flags, gf_flags, O_NOCTTY); - XLATE_BIT (flags, gf_flags, O_TRUNC); - XLATE_BIT (flags, gf_flags, O_APPEND); - XLATE_BIT (flags, gf_flags, O_NONBLOCK); - XLATE_BIT (flags, gf_flags, O_SYNC); - XLATE_BIT (flags, gf_flags, O_ASYNC); - - XLATE_BIT (flags, gf_flags, O_DIRECT); - XLATE_BIT (flags, gf_flags, O_DIRECTORY); - XLATE_BIT (flags, gf_flags, O_NOFOLLOW); -#ifdef O_NOATIME - XLATE_BIT (flags, gf_flags, O_NOATIME); -#endif -#ifdef O_CLOEXEC - XLATE_BIT (flags, gf_flags, O_CLOEXEC); -#endif - XLATE_BIT (flags, gf_flags, O_LARGEFILE); - - return gf_flags; -} - -static inline uint32_t -gf_flags_to_flags (uint32_t gf_flags) -{ - uint32_t flags = 0; - - UNXLATE_ACCESSMODE (gf_flags, flags); - - UNXLATE_BIT (gf_flags, flags, O_CREAT); - UNXLATE_BIT (gf_flags, flags, O_EXCL); - UNXLATE_BIT (gf_flags, flags, O_NOCTTY); - UNXLATE_BIT (gf_flags, flags, O_TRUNC); - UNXLATE_BIT (gf_flags, flags, O_APPEND); - UNXLATE_BIT (gf_flags, flags, O_NONBLOCK); - UNXLATE_BIT (gf_flags, flags, O_SYNC); - UNXLATE_BIT (gf_flags, flags, O_ASYNC); - - UNXLATE_BIT (gf_flags, flags, O_DIRECT); - UNXLATE_BIT (gf_flags, flags, O_DIRECTORY); - UNXLATE_BIT (gf_flags, flags, O_NOFOLLOW); -#ifdef O_NOATIME - UNXLATE_BIT (gf_flags, flags, O_NOATIME); -#endif -#ifdef O_CLOEXEC - UNXLATE_BIT (gf_flags, flags, O_CLOEXEC); -#endif - UNXLATE_BIT (gf_flags, flags, O_LARGEFILE); - - return flags; -} - - -typedef struct { - uint64_t ino; - uint64_t gen; - char path[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_stat_req_t;; -typedef struct { - struct gf_stat stat; -} __attribute__((packed)) gf_fop_stat_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t size; - char path[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_readlink_req_t; -typedef struct { - struct gf_stat buf; - char path[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_readlink_rsp_t; - - -typedef struct { - uint64_t par; - uint64_t gen; - uint64_t dev; - uint32_t mode; - char path[0]; /* NULL terminated */ - char bname[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_mknod_req_t; -typedef struct { - struct gf_stat stat; - struct gf_stat preparent; - struct gf_stat postparent; -} __attribute__((packed)) gf_fop_mknod_rsp_t; - - -typedef struct { - uint64_t par; - uint64_t gen; - uint32_t mode; - char path[0]; /* NULL terminated */ - char bname[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_mkdir_req_t; -typedef struct { - struct gf_stat stat; - struct gf_stat preparent; - struct gf_stat postparent; -} __attribute__((packed)) gf_fop_mkdir_rsp_t; - - -typedef struct { - uint64_t par; - uint64_t gen; - char path[0]; /* NULL terminated */ - char bname[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_unlink_req_t; -typedef struct { - struct gf_stat preparent; - struct gf_stat postparent; -} __attribute__((packed)) gf_fop_unlink_rsp_t; - - -typedef struct { - uint64_t par; - uint64_t gen; - char path[0]; - char bname[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_rmdir_req_t; -typedef struct { - struct gf_stat preparent; - struct gf_stat postparent; -} __attribute__((packed)) gf_fop_rmdir_rsp_t; - - -typedef struct { - uint64_t par; - uint64_t gen; - char path[0]; - char bname[0]; - char linkname[0]; -} __attribute__((packed)) gf_fop_symlink_req_t; -typedef struct { - struct gf_stat stat; - struct gf_stat preparent; - struct gf_stat postparent; -}__attribute__((packed)) gf_fop_symlink_rsp_t; - - -typedef struct { - uint64_t oldpar; - uint64_t oldgen; - uint64_t newpar; - uint64_t newgen; - char oldpath[0]; - char oldbname[0]; /* NULL terminated */ - char newpath[0]; - char newbname[0]; /* NULL terminated */ -} __attribute__((packed)) gf_fop_rename_req_t; -typedef struct { - struct gf_stat stat; - struct gf_stat preoldparent; - struct gf_stat postoldparent; - struct gf_stat prenewparent; - struct gf_stat postnewparent; -} __attribute__((packed)) gf_fop_rename_rsp_t; - - -typedef struct { - uint64_t oldino; - uint64_t oldgen; - uint64_t newpar; - uint64_t newgen; - char oldpath[0]; - char newpath[0]; - char newbname[0]; -}__attribute__((packed)) gf_fop_link_req_t; -typedef struct { - struct gf_stat stat; - struct gf_stat preparent; - struct gf_stat postparent; -} __attribute__((packed)) gf_fop_link_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - uint64_t offset; - char path[0]; -} __attribute__((packed)) gf_fop_truncate_req_t; -typedef struct { - struct gf_stat prestat; - struct gf_stat poststat; -} __attribute__((packed)) gf_fop_truncate_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t flags; - uint32_t wbflags; - char path[0]; -} __attribute__((packed)) gf_fop_open_req_t; -typedef struct { - int64_t fd; -} __attribute__((packed)) gf_fop_open_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint64_t offset; - uint32_t size; -} __attribute__((packed)) gf_fop_read_req_t; -typedef struct { - struct gf_stat stat; - char buf[0]; -} __attribute__((packed)) gf_fop_read_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint64_t offset; - uint32_t size; -} __attribute__((packed)) gf_fop_write_req_t; -typedef struct { - struct gf_stat prestat; - struct gf_stat poststat; -} __attribute__((packed)) gf_fop_write_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - char path[0]; -} __attribute__((packed)) gf_fop_statfs_req_t; -typedef struct { - struct gf_statfs statfs; -} __attribute__((packed)) gf_fop_statfs_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; -} __attribute__((packed)) gf_fop_flush_req_t; -typedef struct { } __attribute__((packed)) gf_fop_flush_rsp_t; - - -typedef struct fsync_req { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint32_t data; -} __attribute__((packed)) gf_fop_fsync_req_t; -typedef struct { - struct gf_stat prestat; - struct gf_stat poststat; -} __attribute__((packed)) gf_fop_fsync_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t flags; - uint32_t dict_len; - char dict[0]; - char path[0]; -} __attribute__((packed)) gf_fop_setxattr_req_t; -typedef struct { } __attribute__((packed)) gf_fop_setxattr_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint32_t flags; - uint32_t dict_len; - char dict[0]; -} __attribute__((packed)) gf_fop_fsetxattr_req_t; -typedef struct { } __attribute__((packed)) gf_fop_fsetxattr_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t flags; - uint32_t dict_len; - char dict[0]; - char path[0]; -} __attribute__((packed)) gf_fop_xattrop_req_t; - -typedef struct { - uint32_t dict_len; - char dict[0]; -} __attribute__((packed)) gf_fop_xattrop_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint32_t flags; - uint32_t dict_len; - char dict[0]; -} __attribute__((packed)) gf_fop_fxattrop_req_t; - -typedef struct { - uint32_t dict_len; - char dict[0]; -} __attribute__((packed)) gf_fop_fxattrop_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t namelen; - char path[0]; - char name[0]; -} __attribute__((packed)) gf_fop_getxattr_req_t; -typedef struct { - uint32_t dict_len; - char dict[0]; -} __attribute__((packed)) gf_fop_getxattr_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint32_t namelen; - char name[0]; -} __attribute__((packed)) gf_fop_fgetxattr_req_t; -typedef struct { - uint32_t dict_len; - char dict[0]; -} __attribute__((packed)) gf_fop_fgetxattr_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - char path[0]; - char name[0]; -} __attribute__((packed)) gf_fop_removexattr_req_t; -typedef struct { } __attribute__((packed)) gf_fop_removexattr_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - char path[0]; -} __attribute__((packed)) gf_fop_opendir_req_t; -typedef struct { - int64_t fd; -} __attribute__((packed)) gf_fop_opendir_rsp_t; - - -typedef struct fsyncdir_req { - uint64_t ino; - uint64_t gen; - int64_t fd; - int32_t data; -} __attribute__((packed)) gf_fop_fsyncdir_req_t; -typedef struct { -} __attribute__((packed)) gf_fop_fsyncdir_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint64_t offset; - uint32_t size; -} __attribute__((packed)) gf_fop_readdir_req_t; -typedef struct { - uint32_t size; - char buf[0]; -} __attribute__((packed)) gf_fop_readdir_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint64_t offset; - uint32_t size; -} __attribute__((packed)) gf_fop_readdirp_req_t; -typedef struct { - uint32_t size; - char buf[0]; -} __attribute__((packed)) gf_fop_readdirp_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t mask; - char path[0]; -} __attribute__((packed)) gf_fop_access_req_t; -typedef struct { -} __attribute__((packed)) gf_fop_access_rsp_t; - - -typedef struct { - uint64_t par; - uint64_t gen; - uint32_t flags; - uint32_t mode; - char path[0]; - char bname[0]; -} __attribute__((packed)) gf_fop_create_req_t; -typedef struct { - struct gf_stat stat; - uint64_t fd; - struct gf_stat preparent; - struct gf_stat postparent; -} __attribute__((packed)) gf_fop_create_rsp_t; - - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint64_t offset; -} __attribute__((packed)) gf_fop_ftruncate_req_t; -typedef struct { - struct gf_stat prestat; - struct gf_stat poststat; -} __attribute__((packed)) gf_fop_ftruncate_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; -} __attribute__((packed)) gf_fop_fstat_req_t; -typedef struct { - struct gf_stat stat; -} __attribute__((packed)) gf_fop_fstat_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint32_t cmd; - uint32_t type; - struct gf_flock flock; -} __attribute__((packed)) gf_fop_lk_req_t; -typedef struct { - struct gf_flock flock; -} __attribute__((packed)) gf_fop_lk_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t cmd; - uint32_t type; - struct gf_flock flock; - char path[0]; - char volume[0]; -} __attribute__((packed)) gf_fop_inodelk_req_t; -typedef struct { -} __attribute__((packed)) gf_fop_inodelk_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint32_t cmd; - uint32_t type; - struct gf_flock flock; - char volume[0]; -} __attribute__((packed)) gf_fop_finodelk_req_t; -typedef struct { -} __attribute__((packed)) gf_fop_finodelk_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t cmd; - uint32_t type; - uint64_t namelen; - char path[0]; - char name[0]; - char volume[0]; -} __attribute__((packed)) gf_fop_entrylk_req_t; -typedef struct { -} __attribute__((packed)) gf_fop_entrylk_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; - uint32_t cmd; - uint32_t type; - uint64_t namelen; - char name[0]; - char volume[0]; -} __attribute__((packed)) gf_fop_fentrylk_req_t; -typedef struct { -} __attribute__((packed)) gf_fop_fentrylk_rsp_t; - -typedef struct { - uint64_t ino; /* NOTE: used only in case of 'root' lookup */ - uint64_t par; - uint64_t gen; - uint32_t flags; - uint32_t dictlen; - char path[0]; - char bname[0]; - char dict[0]; -} __attribute__((packed)) gf_fop_lookup_req_t; -typedef struct { - struct gf_stat stat; - struct gf_stat postparent; - uint32_t dict_len; - char dict[0]; -} __attribute__((packed)) gf_fop_lookup_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - uint32_t flag; - char path[0]; -} __attribute__((packed)) gf_fop_checksum_req_t; -typedef struct { - unsigned char fchecksum[0]; - unsigned char dchecksum[0]; -} __attribute__((packed)) gf_fop_checksum_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - struct gf_stat stbuf; - int32_t valid; - char path[0]; -} __attribute__((packed)) gf_fop_setattr_req_t; -typedef struct { - struct gf_stat statpre; - struct gf_stat statpost; -} __attribute__((packed)) gf_fop_setattr_rsp_t; - -typedef struct { - int64_t fd; - struct gf_stat stbuf; - int32_t valid; -} __attribute__((packed)) gf_fop_fsetattr_req_t; -typedef struct { - struct gf_stat statpre; - struct gf_stat statpost; -} __attribute__((packed)) gf_fop_fsetattr_rsp_t; - -typedef struct { - int64_t fd; - uint64_t offset; - uint32_t len; -} __attribute__((packed)) gf_fop_rchecksum_req_t; -typedef struct { - uint32_t weak_checksum; - unsigned char strong_checksum[0]; -} __attribute__((packed)) gf_fop_rchecksum_rsp_t; - -typedef struct { - uint32_t flags; - uint32_t keylen; - char key[0]; -} __attribute__((packed)) gf_mop_getspec_req_t; -typedef struct { - char spec[0]; -} __attribute__((packed)) gf_mop_getspec_rsp_t; - - -typedef struct { - uint32_t msglen; - char msg[0]; -} __attribute__((packed)) gf_mop_log_req_t; -typedef struct { -} __attribute__((packed)) gf_mop_log_rsp_t; - - -typedef struct { - uint32_t dict_len; - char buf[0]; -} __attribute__((packed)) gf_mop_setvolume_req_t; -typedef struct { - uint32_t dict_len; - char buf[0]; -} __attribute__((packed)) gf_mop_setvolume_rsp_t; - - -typedef struct { -} __attribute__((packed)) gf_mop_ping_req_t; -typedef struct { -} __attribute__((packed)) gf_mop_ping_rsp_t; - -typedef struct { - uint32_t flags; - char buf[0]; -} __attribute__((packed)) gf_mop_notify_req_t; -typedef struct { - uint32_t flags; - char buf[0]; -} __attribute__((packed)) gf_mop_notify_rsp_t; - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; -} __attribute__((packed)) gf_cbk_releasedir_req_t; -typedef struct { -} __attribute__((packed)) gf_cbk_releasedir_rsp_t; - - -typedef struct { - uint64_t ino; - uint64_t gen; - int64_t fd; -} __attribute__((packed)) gf_cbk_release_req_t; -typedef struct { -} __attribute__((packed)) gf_cbk_release_rsp_t; - - -typedef struct { - uint32_t count; - uint64_t ino_array[0]; -} __attribute__((packed)) gf_cbk_forget_req_t; -typedef struct { } __attribute__((packed)) gf_cbk_forget_rsp_t; - -typedef struct { - uint32_t pid; - uint32_t uid; - uint32_t gid; - - /* Number of groups being sent through the array above. */ - uint32_t ngrps; - - /* Array of groups to which the uid belongs apart from the primary group - * in gid. - */ - uint32_t groups[GF_REQUEST_MAXGROUPS]; - - uint64_t lk_owner; -} __attribute__ ((packed)) gf_hdr_req_t; - - -typedef struct { - uint32_t op_ret; - uint32_t op_errno; -} __attribute__ ((packed)) gf_hdr_rsp_t; - - -typedef struct { - uint64_t callid; - uint32_t type; - uint32_t op; - uint32_t size; - union { - gf_hdr_req_t req; - gf_hdr_rsp_t rsp; - } __attribute__ ((packed)); -} __attribute__ ((packed)) gf_hdr_common_t; - - -static inline gf_hdr_common_t * -__gf_hdr_new (int size) -{ - gf_hdr_common_t *hdr = NULL; - - /* TODO: use mem-pool */ - hdr = GF_CALLOC (sizeof (gf_hdr_common_t) + size, 1, - gf_common_mt_gf_hdr_common_t); - - if (!hdr) { - return NULL; - } - - hdr->size = hton32 (size); - - return hdr; -} - - -#define gf_hdr_len(type, x) (sizeof (gf_hdr_common_t) + sizeof (*type) + x) -#define gf_hdr_new(type, x) __gf_hdr_new (sizeof (*type) + x) - - -static inline void * -gf_param (gf_hdr_common_t *hdr) -{ - return ((void *)hdr) + sizeof (*hdr); -} - - -struct gf_dirent_nb { - uint64_t d_ino; - uint64_t d_off; - uint32_t d_len; - uint32_t d_type; - struct gf_stat d_stat; - char d_name[0]; -} __attribute__((packed)); - -int -gf_dirent_unserialize (gf_dirent_t *entries, const char *buf, size_t buf_size); -int -gf_dirent_serialize (gf_dirent_t *entries, char *buf, size_t buf_size); - -int protocol_common_init (void); - -#endif diff --git a/xlators/protocol/legacy/lib/src/transport.c b/xlators/protocol/legacy/lib/src/transport.c deleted file mode 100644 index 4396613ec2e..00000000000 --- a/xlators/protocol/legacy/lib/src/transport.c +++ /dev/null @@ -1,422 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include <dlfcn.h> -#include <stdlib.h> -#include <stdio.h> -#include <sys/poll.h> -#include <fnmatch.h> -#include <stdint.h> - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "logging.h" -#include "transport.h" -#include "glusterfs.h" -#include "xlator.h" -#include "list.h" - - -transport_t * -transport_load (dict_t *options, - xlator_t *xl) -{ - struct transport *trans = NULL, *return_trans = NULL; - char *name = NULL; - void *handle = NULL; - char *type = NULL; - char str[] = "ERROR"; - int32_t ret = -1; - int8_t is_tcp = 0, is_unix = 0, is_ibsdp = 0; - volume_opt_list_t *vol_opt = NULL; - - GF_VALIDATE_OR_GOTO("transport", options, fail); - GF_VALIDATE_OR_GOTO("transport", xl, fail); - - trans = GF_CALLOC (1, sizeof (struct transport), - gf_common_mt_transport); - GF_VALIDATE_OR_GOTO("transport", trans, fail); - - trans->xl = xl; - type = str; - - /* Backward compatibility */ - ret = dict_get_str (options, "transport-type", &type); - if (ret < 0) { - ret = dict_set_str (options, "transport-type", "socket"); - if (ret < 0) - gf_log ("dict", GF_LOG_DEBUG, - "setting transport-type failed"); - gf_log ("transport", GF_LOG_WARNING, - "missing 'option transport-type'. defaulting to " - "\"socket\""); - } else { - { - /* Backword compatibility to handle * /client, - * * /server. - */ - char *tmp = strchr (type, '/'); - if (tmp) - *tmp = '\0'; - } - - is_tcp = strcmp (type, "tcp"); - is_unix = strcmp (type, "unix"); - is_ibsdp = strcmp (type, "ib-sdp"); - if ((is_tcp == 0) || - (is_unix == 0) || - (is_ibsdp == 0)) { - if (is_unix == 0) - ret = dict_set_str (options, - "transport.address-family", - "unix"); - if (is_ibsdp == 0) - ret = dict_set_str (options, - "transport.address-family", - "inet-sdp"); - - if (ret < 0) - gf_log ("dict", GF_LOG_DEBUG, - "setting address-family failed"); - - ret = dict_set_str (options, - "transport-type", "socket"); - if (ret < 0) - gf_log ("dict", GF_LOG_DEBUG, - "setting transport-type failed"); - } - } - - ret = dict_get_str (options, "transport-type", &type); - if (ret < 0) { - GF_FREE (trans); - gf_log ("transport", GF_LOG_ERROR, - "'option transport-type <xx>' missing in volume '%s'", - xl->name); - goto fail; - } - - ret = gf_asprintf (&name, "%s/%s.so", TRANSPORTDIR, type); - if (-1 == ret) { - gf_log ("transport", GF_LOG_ERROR, "asprintf failed"); - goto fail; - } - gf_log ("transport", GF_LOG_DEBUG, - "attempt to load file %s", name); - - handle = dlopen (name, RTLD_NOW|RTLD_GLOBAL); - if (handle == NULL) { - gf_log ("transport", GF_LOG_ERROR, "%s", dlerror ()); - gf_log ("transport", GF_LOG_ERROR, - "volume '%s': transport-type '%s' is not valid or " - "not found on this machine", - xl->name, type); - GF_FREE (name); - GF_FREE (trans); - goto fail; - } - GF_FREE (name); - - trans->ops = dlsym (handle, "tops"); - if (trans->ops == NULL) { - gf_log ("transport", GF_LOG_ERROR, - "dlsym (transport_ops) on %s", dlerror ()); - GF_FREE (trans); - goto fail; - } - - trans->init = dlsym (handle, "init"); - if (trans->init == NULL) { - gf_log ("transport", GF_LOG_ERROR, - "dlsym (gf_transport_init) on %s", dlerror ()); - GF_FREE (trans); - goto fail; - } - - trans->fini = dlsym (handle, "fini"); - if (trans->fini == NULL) { - gf_log ("transport", GF_LOG_ERROR, - "dlsym (gf_transport_fini) on %s", dlerror ()); - GF_FREE (trans); - goto fail; - } - - vol_opt = GF_CALLOC (1, sizeof (volume_opt_list_t), - gf_common_mt_volume_opt_list_t); - vol_opt->given_opt = dlsym (handle, "options"); - if (vol_opt->given_opt == NULL) { - gf_log ("transport", GF_LOG_DEBUG, - "volume option validation not specified"); - } else { - list_add_tail (&vol_opt->list, &xl->volume_options); - if (-1 == - validate_xlator_volume_options (xl, - vol_opt->given_opt)) { - gf_log ("transport", GF_LOG_ERROR, - "volume option validation failed"); - GF_FREE (trans); - goto fail; - } - } - - ret = trans->init (trans); - if (ret != 0) { - gf_log ("transport", GF_LOG_ERROR, - "'%s' initialization failed", type); - GF_FREE (trans); - goto fail; - } - - pthread_mutex_init (&trans->lock, NULL); - return_trans = trans; -fail: - return return_trans; -} - - -int32_t -transport_submit (transport_t *this, char *buf, int32_t len, - struct iovec *vector, int count, - struct iobref *iobref) -{ - int32_t ret = -1; - transport_t *peer_trans = NULL; - struct iobuf *iobuf = NULL; - struct transport_msg *msg = NULL; - - if (this->peer_trans) { - peer_trans = this->peer_trans; - - msg = GF_CALLOC (1, sizeof (*msg), - gf_common_mt_transport_msg); - if (!msg) { - return -ENOMEM; - } - - msg->hdr = buf; - msg->hdrlen = len; - - if (vector) { - iobuf = iobuf_get (this->xl->ctx->iobuf_pool); - if (!iobuf) { - GF_FREE (msg->hdr); - GF_FREE (msg); - return -ENOMEM; - } - - iov_unload (iobuf->ptr, vector, count); - msg->iobuf = iobuf; - } - - pthread_mutex_lock (&peer_trans->handover.mutex); - { - list_add_tail (&msg->list, &peer_trans->handover.msgs); - pthread_cond_broadcast (&peer_trans->handover.cond); - } - pthread_mutex_unlock (&peer_trans->handover.mutex); - - return 0; - } - - GF_VALIDATE_OR_GOTO("transport", this, fail); - GF_VALIDATE_OR_GOTO("transport", this->ops, fail); - - ret = this->ops->submit (this, buf, len, vector, count, iobref); -fail: - return ret; -} - - -int32_t -transport_connect (transport_t *this) -{ - int ret = -1; - - GF_VALIDATE_OR_GOTO("transport", this, fail); - - ret = this->ops->connect (this); -fail: - return ret; -} - - -int32_t -transport_listen (transport_t *this) -{ - int ret = -1; - - GF_VALIDATE_OR_GOTO("transport", this, fail); - - ret = this->ops->listen (this); -fail: - return ret; -} - - -int32_t -transport_disconnect (transport_t *this) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO("transport", this, fail); - - ret = this->ops->disconnect (this); -fail: - return ret; -} - - -int32_t -transport_destroy (transport_t *this) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO("transport", this, fail); - - if (this->fini) - this->fini (this); - - pthread_mutex_destroy (&this->lock); - GF_FREE (this); -fail: - return ret; -} - - -transport_t * -transport_ref (transport_t *this) -{ - transport_t *return_this = NULL; - - GF_VALIDATE_OR_GOTO("transport", this, fail); - - pthread_mutex_lock (&this->lock); - { - this->refcount ++; - } - pthread_mutex_unlock (&this->lock); - - return_this = this; -fail: - return return_this; -} - - -int32_t -transport_receive (transport_t *this, char **hdr_p, size_t *hdrlen_p, - struct iobuf **iobuf_p) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO("transport", this, fail); - - if (this->peer_trans) { - *hdr_p = this->handover.msg->hdr; - *hdrlen_p = this->handover.msg->hdrlen; - *iobuf_p = this->handover.msg->iobuf; - - return 0; - } - - ret = this->ops->receive (this, hdr_p, hdrlen_p, iobuf_p); -fail: - return ret; -} - - -int32_t -transport_unref (transport_t *this) -{ - int32_t refcount = 0; - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO("transport", this, fail); - - pthread_mutex_lock (&this->lock); - { - refcount = --this->refcount; - } - pthread_mutex_unlock (&this->lock); - - if (refcount == 0) { - xlator_notify (this->xl, GF_EVENT_TRANSPORT_CLEANUP, this); - transport_destroy (this); - } - - ret = 0; -fail: - return ret; -} - - -void * -transport_peerproc (void *trans_data) -{ - transport_t *trans = NULL; - struct transport_msg *msg = NULL; - - trans = trans_data; - - while (1) { - pthread_mutex_lock (&trans->handover.mutex); - { - while (list_empty (&trans->handover.msgs)) - pthread_cond_wait (&trans->handover.cond, - &trans->handover.mutex); - - msg = list_entry (trans->handover.msgs.next, - struct transport_msg, list); - - list_del_init (&msg->list); - } - pthread_mutex_unlock (&trans->handover.mutex); - - trans->handover.msg = msg; - - xlator_notify (trans->xl, GF_EVENT_POLLIN, trans); - - GF_FREE (msg); - } -} - - -int -transport_setpeer (transport_t *trans, transport_t *peer_trans) -{ - trans->peer_trans = transport_ref (peer_trans); - - INIT_LIST_HEAD (&trans->handover.msgs); - pthread_cond_init (&trans->handover.cond, NULL); - pthread_mutex_init (&trans->handover.mutex, NULL); - pthread_create (&trans->handover.thread, NULL, - transport_peerproc, trans); - - peer_trans->peer_trans = transport_ref (trans); - - INIT_LIST_HEAD (&peer_trans->handover.msgs); - pthread_cond_init (&peer_trans->handover.cond, NULL); - pthread_mutex_init (&peer_trans->handover.mutex, NULL); - pthread_create (&peer_trans->handover.thread, NULL, - transport_peerproc, peer_trans); - - return 0; -} diff --git a/xlators/protocol/legacy/lib/src/transport.h b/xlators/protocol/legacy/lib/src/transport.h deleted file mode 100644 index 5b8b62cafa6..00000000000 --- a/xlators/protocol/legacy/lib/src/transport.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef __TRANSPORT_H__ -#define __TRANSPORT_H__ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <inttypes.h> - -struct transport_ops; -typedef struct transport transport_t; - -#include "xlator.h" -#include "dict.h" -#include "compat.h" - -typedef struct peer_info { - struct sockaddr_storage sockaddr; - socklen_t sockaddr_len; - char identifier[UNIX_PATH_MAX]; -}peer_info_t; - -struct transport_msg { - struct list_head list; - char *hdr; - int hdrlen; - struct iobuf *iobuf; -}; - -struct transport { - struct transport_ops *ops; - void *private; - void *xl_private; - pthread_mutex_t lock; - int32_t refcount; - - xlator_t *xl; - void *dnscache; - data_t *buf; - int32_t (*init) (transport_t *this); - void (*fini) (transport_t *this); - /* int (*notify) (transport_t *this, int event, void *data); */ - peer_info_t peerinfo; - peer_info_t myinfo; - - transport_t *peer_trans; - struct { - pthread_mutex_t mutex; - pthread_cond_t cond; - pthread_t thread; - struct list_head msgs; - struct transport_msg *msg; - } handover; - -}; - -struct transport_ops { - int32_t (*receive) (transport_t *this, char **hdr_p, size_t *hdrlen_p, - struct iobuf **iobuf_p); - int32_t (*submit) (transport_t *this, char *buf, int len, - struct iovec *vector, int count, - struct iobref *iobref); - int32_t (*connect) (transport_t *this); - int32_t (*listen) (transport_t *this); - int32_t (*disconnect) (transport_t *this); -}; - - -int32_t transport_listen (transport_t *this); -int32_t transport_connect (transport_t *this); -int32_t transport_disconnect (transport_t *this); -int32_t transport_notify (transport_t *this, int event); -int32_t transport_submit (transport_t *this, char *buf, int len, - struct iovec *vector, int count, - struct iobref *iobref); -int32_t transport_receive (transport_t *this, char **hdr_p, size_t *hdrlen_p, - struct iobuf **iobuf_p); -int32_t transport_destroy (transport_t *this); - -transport_t *transport_load (dict_t *options, xlator_t *xl); -transport_t *transport_ref (transport_t *trans); -int32_t transport_unref (transport_t *trans); - -int transport_setpeer (transport_t *trans, transport_t *trans_peer); - -#endif /* __TRANSPORT_H__ */ diff --git a/xlators/protocol/legacy/server/Makefile.am b/xlators/protocol/legacy/server/Makefile.am deleted file mode 100644 index d471a3f9243..00000000000 --- a/xlators/protocol/legacy/server/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -SUBDIRS = src - -CLEANFILES = diff --git a/xlators/protocol/legacy/server/src/Makefile.am b/xlators/protocol/legacy/server/src/Makefile.am deleted file mode 100644 index bfc0b7eb6b1..00000000000 --- a/xlators/protocol/legacy/server/src/Makefile.am +++ /dev/null @@ -1,26 +0,0 @@ - -xlator_LTLIBRARIES = server-old.la -xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/legacy/protocol - -server_old_la_LDFLAGS = -module -avoidversion - -server_old_la_SOURCES = server-protocol.c server-resolve.c server-helpers.c \ - authenticate.c - -server_old_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \ - $(top_builddir)/xlators/protocol/legacy/lib/src/libgfproto.la - -noinst_HEADERS = server-protocol.h server-helpers.h server-mem-types.h \ - authenticate.h - -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS) \ - -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles \ - -DDATADIR=\"$(localstatedir)\" -DCONFDIR=\"$(sysconfdir)/glusterfs\" \ - -DLIBDIR=\"$(libdir)/glusterfs/$(PACKAGE_VERSION)/auth\" \ - $(GF_CFLAGS) -I$(top_srcdir)/xlators/protocol/legacy/lib/src \ - -I$(top_srcdir)/xlators/protocol/lib/src - -CLEANFILES = - -install-data-hook: - ln -sf server-old.so $(DESTDIR)$(xlatordir)/server.so diff --git a/xlators/protocol/legacy/server/src/authenticate.c b/xlators/protocol/legacy/server/src/authenticate.c deleted file mode 100644 index a01d7003cd2..00000000000 --- a/xlators/protocol/legacy/server/src/authenticate.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - Copyright (c) 2007-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE -#endif - -#include <stdio.h> -#include <dlfcn.h> -#include <errno.h> -#include "authenticate.h" - -static void -init (dict_t *this, - char *key, - data_t *value, - void *data) -{ - void *handle = NULL; - char *auth_file = NULL; - auth_handle_t *auth_handle = NULL; - auth_fn_t authenticate = NULL; - int *error = NULL; - int ret = 0; - - /* It gets over written */ - error = data; - - if (!strncasecmp (key, "ip", strlen ("ip"))) { - gf_log ("authenticate", GF_LOG_ERROR, - "AUTHENTICATION MODULE \"IP\" HAS BEEN REPLACED " - "BY \"ADDR\""); - dict_set (this, key, data_from_dynptr (NULL, 0)); - /* TODO: 1.3.x backword compatibility */ - // *error = -1; - // return; - key = "addr"; - } - - ret = gf_asprintf (&auth_file, "%s/%s.so", LIBDIR, key); - if (-1 == ret) { - gf_log ("authenticate", GF_LOG_ERROR, "asprintf failed"); - dict_set (this, key, data_from_dynptr (NULL, 0)); - *error = -1; - return; - } - - handle = dlopen (auth_file, RTLD_LAZY); - if (!handle) { - gf_log ("authenticate", GF_LOG_ERROR, "dlopen(%s): %s\n", - auth_file, dlerror ()); - dict_set (this, key, data_from_dynptr (NULL, 0)); - GF_FREE (auth_file); - *error = -1; - return; - } - GF_FREE (auth_file); - - authenticate = dlsym (handle, "gf_auth"); - if (!authenticate) { - gf_log ("authenticate", GF_LOG_ERROR, - "dlsym(gf_auth) on %s\n", dlerror ()); - dict_set (this, key, data_from_dynptr (NULL, 0)); - *error = -1; - return; - } - - auth_handle = GF_CALLOC (1, sizeof (*auth_handle), - gf_common_mt_auth_handle_t); - if (!auth_handle) { - gf_log ("authenticate", GF_LOG_ERROR, "Out of memory"); - dict_set (this, key, data_from_dynptr (NULL, 0)); - *error = -1; - return; - } - auth_handle->vol_opt = GF_CALLOC (1, sizeof (volume_opt_list_t), - gf_common_mt_volume_opt_list_t); - auth_handle->vol_opt->given_opt = dlsym (handle, "options"); - if (auth_handle->vol_opt->given_opt == NULL) { - gf_log ("authenticate", GF_LOG_DEBUG, - "volume option validation not specified"); - } - - auth_handle->authenticate = authenticate; - auth_handle->handle = handle; - - dict_set (this, key, - data_from_dynptr (auth_handle, sizeof (*auth_handle))); -} - -static void -fini (dict_t *this, - char *key, - data_t *value, - void *data) -{ - auth_handle_t *handle = data_to_ptr (value); - if (handle) { - dlclose (handle->handle); - } -} - -int32_t -gf_auth_init (xlator_t *xl, dict_t *auth_modules) -{ - int ret = 0; - auth_handle_t *handle = NULL; - data_pair_t *pair = NULL; - dict_foreach (auth_modules, init, &ret); - if (!ret) { - pair = auth_modules->members_list; - while (pair) { - handle = data_to_ptr (pair->value); - if (handle) { - list_add_tail (&(handle->vol_opt->list), - &(xl->volume_options)); - if (-1 == - validate_xlator_volume_options (xl, - handle->vol_opt->given_opt)) { - gf_log ("authenticate", GF_LOG_ERROR, - "volume option validation " - "failed"); - ret = -1; - } - } - pair = pair->next; - } - } - if (ret) { - gf_log (xl->name, GF_LOG_ERROR, "authentication init failed"); - dict_foreach (auth_modules, fini, &ret); - ret = -1; - } - return ret; -} - -static dict_t *__input_params; -static dict_t *__config_params; - -void -map (dict_t *this, - char *key, - data_t *value, - void *data) -{ - dict_t *res = data; - auth_fn_t authenticate; - auth_handle_t *handle = NULL; - - if (value && (handle = data_to_ptr (value)) && - (authenticate = handle->authenticate)) { - dict_set (res, key, - int_to_data (authenticate (__input_params, - __config_params))); - } else { - dict_set (res, key, int_to_data (AUTH_DONT_CARE)); - } -} - -void -reduce (dict_t *this, - char *key, - data_t *value, - void *data) -{ - int64_t val = 0; - int64_t *res = data; - if (!data) - return; - - val = data_to_int64 (value); - switch (val) - { - case AUTH_ACCEPT: - if (AUTH_DONT_CARE == *res) - *res = AUTH_ACCEPT; - break; - - case AUTH_REJECT: - *res = AUTH_REJECT; - break; - - case AUTH_DONT_CARE: - break; - } -} - - -auth_result_t -gf_authenticate (dict_t *input_params, - dict_t *config_params, - dict_t *auth_modules) -{ - dict_t *results = NULL; - int64_t result = AUTH_DONT_CARE; - - results = get_new_dict (); - __input_params = input_params; - __config_params = config_params; - - dict_foreach (auth_modules, map, results); - - dict_foreach (results, reduce, &result); - if (AUTH_DONT_CARE == result) { - data_t *peerinfo_data = dict_get (input_params, "peer-info-name"); - char *name = NULL; - - if (peerinfo_data) { - name = peerinfo_data->data; - } - - gf_log ("auth", GF_LOG_ERROR, - "no authentication module is interested in " - "accepting remote-client %s", name); - result = AUTH_REJECT; - } - - dict_destroy (results); - return result; -} - -void -gf_auth_fini (dict_t *auth_modules) -{ - int32_t dummy; - - dict_foreach (auth_modules, fini, &dummy); -} diff --git a/xlators/protocol/legacy/server/src/authenticate.h b/xlators/protocol/legacy/server/src/authenticate.h deleted file mode 100644 index d35304db266..00000000000 --- a/xlators/protocol/legacy/server/src/authenticate.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - Copyright (c) 2007-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _AUTHENTICATE_H -#define _AUTHENTICATE_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE -#endif - -#include <stdio.h> -#include <fnmatch.h> -#include "dict.h" -#include "compat.h" -#include "list.h" -#include "xlator.h" - -typedef enum { - AUTH_ACCEPT, - AUTH_REJECT, - AUTH_DONT_CARE -} auth_result_t; - -typedef auth_result_t (*auth_fn_t) (dict_t *input_params, - dict_t *config_params); - -typedef struct { - void *handle; - auth_fn_t authenticate; - volume_opt_list_t *vol_opt; -} auth_handle_t; - -auth_result_t gf_authenticate (dict_t *input_params, - dict_t *config_params, - dict_t *auth_modules); -int32_t gf_auth_init (xlator_t *xl, dict_t *auth_modules); -void gf_auth_fini (dict_t *auth_modules); - -#endif /* _AUTHENTICATE_H */ diff --git a/xlators/protocol/legacy/server/src/server-helpers.c b/xlators/protocol/legacy/server/src/server-helpers.c deleted file mode 100644 index 15e46b3d6b8..00000000000 --- a/xlators/protocol/legacy/server/src/server-helpers.c +++ /dev/null @@ -1,622 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "server-protocol.h" -#include "server-helpers.h" - - - -void -old_server_loc_wipe (loc_t *loc) -{ - if (loc->parent) { - inode_unref (loc->parent); - loc->parent = NULL; - } - - if (loc->inode) { - inode_unref (loc->inode); - loc->inode = NULL; - } - - if (loc->path) - GF_FREE ((char *)loc->path); -} - - -static void -old_server_resolve_wipe (server_resolve_t *resolve) -{ - struct resolve_comp *comp = NULL; - int i = 0; - - if (resolve->path) - GF_FREE (resolve->path); - - if (resolve->bname) - GF_FREE (resolve->bname); - - if (resolve->resolved) - GF_FREE (resolve->resolved); - - loc_wipe (&resolve->deep_loc); - - comp = resolve->components; - if (comp) { - for (i = 0; comp[i].basename; i++) { - if (comp[i].inode) - inode_unref (comp[i].inode); - } - GF_FREE (resolve->components); - } -} - - -void -free_old_server_state (server_state_t *state) -{ - if (state->trans) { - transport_unref (state->trans); - state->trans = NULL; - } - - if (state->fd) { - fd_unref (state->fd); - state->fd = NULL; - } - - if (state->params) { - dict_unref (state->params); - state->params = NULL; - } - - if (state->iobref) { - iobref_unref (state->iobref); - state->iobref = NULL; - } - - if (state->iobuf) { - iobuf_unref (state->iobuf); - state->iobuf = NULL; - } - - if (state->dict) { - dict_unref (state->dict); - state->dict = NULL; - } - - if (state->volume) - GF_FREE ((char *)state->volume); - - if (state->name) - GF_FREE (state->name); - - old_server_loc_wipe (&state->loc); - old_server_loc_wipe (&state->loc2); - - old_server_resolve_wipe (&state->resolve); - old_server_resolve_wipe (&state->resolve2); - - GF_FREE (state); -} - -static struct _lock_table * -gf_lock_table_new (void) -{ - struct _lock_table *new = NULL; - - new = GF_CALLOC (1, sizeof (struct _lock_table), - gf_server_mt_lock_table); - if (new == NULL) { - gf_log ("server-protocol", GF_LOG_CRITICAL, - "failed to allocate memory for new lock table"); - goto out; - } - INIT_LIST_HEAD (&new->dir_lockers); - INIT_LIST_HEAD (&new->file_lockers); - LOCK_INIT (&new->lock); -out: - return new; -} - - -static int -gf_server_nop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - server_state_t *state = NULL; - - state = CALL_STATE(frame); - - if (state) - free_old_server_state (state); - STACK_DESTROY (frame->root); - return 0; -} - - -static int -do_lock_table_cleanup (xlator_t *this, server_connection_t *conn, - call_frame_t *frame, struct _lock_table *ltable) -{ - struct list_head file_lockers, dir_lockers; - call_frame_t *tmp_frame = NULL; - struct gf_flock flock = {0, }; - xlator_t *bound_xl = NULL; - struct _locker *locker = NULL, *tmp = NULL; - int ret = -1; - - bound_xl = conn->bound_xl; - INIT_LIST_HEAD (&file_lockers); - INIT_LIST_HEAD (&dir_lockers); - - LOCK (<able->lock); - { - list_splice_init (<able->file_lockers, - &file_lockers); - - list_splice_init (<able->dir_lockers, &dir_lockers); - } - UNLOCK (<able->lock); - - GF_FREE (ltable); - - flock.l_type = F_UNLCK; - flock.l_start = 0; - flock.l_len = 0; - list_for_each_entry_safe (locker, - tmp, &file_lockers, lockers) { - tmp_frame = copy_frame (frame); - if (tmp_frame == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "out of memory"); - goto out; - } - /* - pid = 0 is a special case that tells posix-locks - to release all locks from this transport - */ - tmp_frame->root->pid = 0; - tmp_frame->root->trans = conn; - - if (locker->fd) { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->finodelk, - locker->volume, - locker->fd, F_SETLK, &flock); - fd_unref (locker->fd); - } else { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->inodelk, - locker->volume, - &(locker->loc), F_SETLK, &flock); - loc_wipe (&locker->loc); - } - - GF_FREE (locker->volume); - - list_del_init (&locker->lockers); - GF_FREE (locker); - } - - tmp = NULL; - locker = NULL; - list_for_each_entry_safe (locker, tmp, &dir_lockers, lockers) { - tmp_frame = copy_frame (frame); - - tmp_frame->root->pid = 0; - tmp_frame->root->trans = conn; - - if (locker->fd) { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->fentrylk, - locker->volume, - locker->fd, NULL, - ENTRYLK_UNLOCK, ENTRYLK_WRLCK); - fd_unref (locker->fd); - } else { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->entrylk, - locker->volume, - &(locker->loc), NULL, - ENTRYLK_UNLOCK, ENTRYLK_WRLCK); - loc_wipe (&locker->loc); - } - - GF_FREE (locker->volume); - - list_del_init (&locker->lockers); - GF_FREE (locker); - } - ret = 0; - -out: - return ret; -} - - -static int -server_connection_cleanup_flush_cbk (call_frame_t *frame, void *cookie, - xlator_t *this, int32_t op_ret, - int32_t op_errno) -{ - fd_t *fd = NULL; - - fd = frame->local; - - fd_unref (fd); - frame->local = NULL; - - STACK_DESTROY (frame->root); - return 0; -} - - -static int -do_fd_cleanup (xlator_t *this, server_connection_t *conn, call_frame_t *frame, - fdentry_t *fdentries, int fd_count) -{ - fd_t *fd = NULL; - int i = 0, ret = -1; - call_frame_t *tmp_frame = NULL; - xlator_t *bound_xl = NULL; - - bound_xl = conn->bound_xl; - for (i = 0;i < fd_count; i++) { - fd = fdentries[i].fd; - - if (fd != NULL) { - tmp_frame = copy_frame (frame); - if (tmp_frame == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "out of memory"); - goto out; - } - tmp_frame->local = fd; - - tmp_frame->root->pid = 0; - tmp_frame->root->trans = conn; - tmp_frame->root->lk_owner = 0; - STACK_WIND (tmp_frame, - server_connection_cleanup_flush_cbk, - bound_xl, bound_xl->fops->flush, fd); - } - } - - GF_FREE (fdentries); - ret = 0; - -out: - return ret; -} - -static int -do_connection_cleanup (xlator_t *this, server_connection_t *conn, - struct _lock_table *ltable, fdentry_t *fdentries, int fd_count) -{ - int ret = 0; - int saved_ret = 0; - call_frame_t *frame = NULL; - - frame = create_frame (this, this->ctx->pool); - if (frame == NULL) { - gf_log (this->name, GF_LOG_ERROR, "out of memory"); - goto out; - } - - saved_ret = do_lock_table_cleanup (this, conn, frame, ltable); - - if (fdentries != NULL) { - ret = do_fd_cleanup (this, conn, frame, fdentries, fd_count); - } - - STACK_DESTROY (frame->root); - - if (saved_ret || ret) { - ret = -1; - } - -out: - return ret; -} - - -int -gf_server_connection_cleanup (xlator_t *this, server_connection_t *conn) -{ - char do_cleanup = 0; - struct _lock_table *ltable = NULL; - fdentry_t *fdentries = NULL; - uint32_t fd_count = 0; - int ret = 0; - - if (conn == NULL) { - goto out; - } - - pthread_mutex_lock (&conn->lock); - { - conn->active_transports--; - if (conn->active_transports == 0) { - if (conn->ltable) { - ltable = conn->ltable; - conn->ltable = gf_lock_table_new (); - } - - if (conn->fdtable) { - fdentries = gf_fd_fdtable_get_all_fds (conn->fdtable, - &fd_count); - } - do_cleanup = 1; - } - } - pthread_mutex_unlock (&conn->lock); - - if (do_cleanup && conn->bound_xl) - ret = do_connection_cleanup (this, conn, ltable, fdentries, fd_count); - -out: - return ret; -} - - -static int -server_connection_destroy (xlator_t *this, server_connection_t *conn) -{ - call_frame_t *frame = NULL, *tmp_frame = NULL; - xlator_t *bound_xl = NULL; - int32_t ret = -1; - struct list_head file_lockers; - struct list_head dir_lockers; - struct _lock_table *ltable = NULL; - struct _locker *locker = NULL, *tmp = NULL; - struct gf_flock flock = {0,}; - fd_t *fd = NULL; - int32_t i = 0; - fdentry_t *fdentries = NULL; - uint32_t fd_count = 0; - - if (conn == NULL) { - ret = 0; - goto out; - } - - bound_xl = (xlator_t *) (conn->bound_xl); - - if (bound_xl) { - /* trans will have ref_count = 1 after this call, but its - ok since this function is called in - GF_EVENT_TRANSPORT_CLEANUP */ - frame = create_frame (this, this->ctx->pool); - - pthread_mutex_lock (&(conn->lock)); - { - if (conn->ltable) { - ltable = conn->ltable; - conn->ltable = NULL; - } - } - pthread_mutex_unlock (&conn->lock); - - INIT_LIST_HEAD (&file_lockers); - INIT_LIST_HEAD (&dir_lockers); - - if (ltable) { - LOCK (<able->lock); - { - list_splice_init (<able->file_lockers, - &file_lockers); - - list_splice_init (<able->dir_lockers, &dir_lockers); - } - UNLOCK (<able->lock); - GF_FREE (ltable); - } - - flock.l_type = F_UNLCK; - flock.l_start = 0; - flock.l_len = 0; - list_for_each_entry_safe (locker, - tmp, &file_lockers, lockers) { - tmp_frame = copy_frame (frame); - /* - pid = 0 is a special case that tells posix-locks - to release all locks from this transport - */ - tmp_frame->root->pid = 0; - tmp_frame->root->trans = conn; - - if (locker->fd) { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->finodelk, - locker->volume, - locker->fd, F_SETLK, &flock); - fd_unref (locker->fd); - } else { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->inodelk, - locker->volume, - &(locker->loc), F_SETLK, &flock); - loc_wipe (&locker->loc); - } - - GF_FREE (locker->volume); - - list_del_init (&locker->lockers); - GF_FREE (locker); - } - - tmp = NULL; - locker = NULL; - list_for_each_entry_safe (locker, tmp, &dir_lockers, lockers) { - tmp_frame = copy_frame (frame); - - tmp_frame->root->pid = 0; - tmp_frame->root->trans = conn; - - if (locker->fd) { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->fentrylk, - locker->volume, - locker->fd, NULL, - ENTRYLK_UNLOCK, ENTRYLK_WRLCK); - fd_unref (locker->fd); - } else { - STACK_WIND (tmp_frame, gf_server_nop_cbk, - bound_xl, - bound_xl->fops->entrylk, - locker->volume, - &(locker->loc), NULL, - ENTRYLK_UNLOCK, ENTRYLK_WRLCK); - loc_wipe (&locker->loc); - } - - GF_FREE (locker->volume); - - - list_del_init (&locker->lockers); - GF_FREE (locker); - } - - pthread_mutex_lock (&(conn->lock)); - { - if (conn->fdtable) { - fdentries = gf_fd_fdtable_get_all_fds (conn->fdtable, - &fd_count); - gf_fd_fdtable_destroy (conn->fdtable); - conn->fdtable = NULL; - } - } - pthread_mutex_unlock (&conn->lock); - - if (fdentries != NULL) { - for (i = 0; i < fd_count; i++) { - fd = fdentries[i].fd; - if (fd != NULL) { - tmp_frame = copy_frame (frame); - tmp_frame->local = fd; - - STACK_WIND (tmp_frame, - server_connection_cleanup_flush_cbk, - bound_xl, - bound_xl->fops->flush, - fd); - } - } - GF_FREE (fdentries); - } - } - - if (frame) { - STACK_DESTROY (frame->root); - } - - gf_log (this->name, GF_LOG_INFO, "destroyed connection of %s", - conn->id); - - GF_FREE (conn->id); - GF_FREE (conn); - -out: - return ret; -} - - -server_connection_t * -gf_server_connection_get (xlator_t *this, const char *id) -{ - server_connection_t *conn = NULL; - server_connection_t *trav = NULL; - server_conf_t *conf = NULL; - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - list_for_each_entry (trav, &conf->conns, list) { - if (!strcmp (id, trav->id)) { - conn = trav; - break; - } - } - - if (!conn) { - conn = (void *) GF_CALLOC (1, sizeof (*conn), - gf_server_mt_server_connection_t); - - conn->id = gf_strdup (id); - conn->fdtable = gf_fd_fdtable_alloc (); - conn->ltable = gf_lock_table_new (); - - pthread_mutex_init (&conn->lock, NULL); - - list_add (&conn->list, &conf->conns); - } - - conn->ref++; - conn->active_transports++; - } - pthread_mutex_unlock (&conf->mutex); - - return conn; -} - - -void -gf_server_connection_put (xlator_t *this, server_connection_t *conn) -{ - server_conf_t *conf = NULL; - server_connection_t *todel = NULL; - - if (conn == NULL) { - goto out; - } - - conf = this->private; - - pthread_mutex_lock (&conf->mutex); - { - conn->ref--; - - if (!conn->ref) { - list_del_init (&conn->list); - todel = conn; - } - } - pthread_mutex_unlock (&conf->mutex); - - if (todel) { - server_connection_destroy (this, todel); - } - -out: - return; -} diff --git a/xlators/protocol/legacy/server/src/server-helpers.h b/xlators/protocol/legacy/server/src/server-helpers.h deleted file mode 100644 index cda0c36ef20..00000000000 --- a/xlators/protocol/legacy/server/src/server-helpers.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef __SERVER_HELPERS_H__ -#define __SERVER_HELPERS_H__ - -#define CALL_STATE(frame) ((server_state_t *)frame->root->state) - -#define BOUND_XL(frame) ((xlator_t *) CALL_STATE(frame)->bound_xl) - -#define TRANSPORT_FROM_FRAME(frame) ((transport_t *) CALL_STATE(frame)->trans) - -#define SERVER_CONNECTION(frame) \ - ((server_connection_t *) TRANSPORT_FROM_FRAME(frame)->xl_private) - -#define SERVER_CONF(frame) \ - ((server_conf_t *)TRANSPORT_FROM_FRAME(frame)->xl->private) - -#define TRANSPORT_FROM_XLATOR(this) ((((server_conf_t *)this->private))->trans) - -#define INODE_LRU_LIMIT(this) \ - (((server_conf_t *)(this->private))->inode_lru_limit) - -#define IS_ROOT_INODE(inode) (inode == inode->table->root) - -#define IS_NOT_ROOT(pathlen) ((pathlen > 2)? 1 : 0) - -void free_old_server_state (server_state_t *state); - -void old_server_loc_wipe (loc_t *loc); - -#endif /* __SERVER_HELPERS_H__ */ diff --git a/xlators/protocol/legacy/server/src/server-mem-types.h b/xlators/protocol/legacy/server/src/server-mem-types.h deleted file mode 100644 index 5e15fd90f71..00000000000 --- a/xlators/protocol/legacy/server/src/server-mem-types.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef __AFR_MEM_TYPES_H__ -#define __AFR_MEM_TYPES_H__ - -#include "mem-types.h" - -enum gf_server_mem_types_ { - gf_server_mt_dir_entry_t = gf_common_mt_end + 1, - gf_server_mt_volfile_ctx, - gf_server_mt_server_state_t, - gf_server_mt_server_conf_t, - gf_server_mt_locker, - gf_server_mt_lock_table, - gf_server_mt_char, - gf_server_mt_server_connection_t, - gf_server_mt_resolve_comp, - gf_server_mt_end -}; -#endif - diff --git a/xlators/protocol/legacy/server/src/server-protocol.c b/xlators/protocol/legacy/server/src/server-protocol.c deleted file mode 100644 index 0686398d10a..00000000000 --- a/xlators/protocol/legacy/server/src/server-protocol.c +++ /dev/null @@ -1,6587 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif -#include <time.h> -#include <sys/uio.h> -#include <sys/resource.h> - -#include <libgen.h> - -#include "transport.h" -#include "fnmatch.h" -#include "xlator.h" -#include "protocol.h" -#include "server-protocol.h" -#include "server-helpers.h" -#include "call-stub.h" -#include "defaults.h" -#include "list.h" -#include "dict.h" -#include "compat.h" -#include "compat-errno.h" -#include "statedump.h" -#include "md5.h" - - -static void -print_caller (char *str, int size, call_frame_t *frame) -{ - int filled = 0; - server_state_t *state = NULL; - transport_t *trans = NULL; - - state = CALL_STATE (frame); - trans = state->trans; - - filled += snprintf (str + filled, size - filled, - " Callid=%"PRId64", Client=%s", - frame->root->unique, - trans->peerinfo.identifier); - - return; -} - - -static void -server_print_resolve (char *str, int size, server_resolve_t *resolve) -{ - int filled = 0; - - if (!resolve) { - snprintf (str, size, "<nul>"); - return; - } - - filled += snprintf (str + filled, size - filled, - " Resolve={"); - if (resolve->fd_no != -1) - filled += snprintf (str + filled, size - filled, - "fd=%"PRId64",", (uint64_t) resolve->fd_no); - if (resolve->ino) - filled += snprintf (str + filled, size - filled, - "ino=%"PRIu64",", (uint64_t) resolve->ino); - if (resolve->par) - filled += snprintf (str + filled, size - filled, - "par=%"PRIu64",", (uint64_t) resolve->par); - if (resolve->gen) - filled += snprintf (str + filled, size - filled, - "gen=%"PRIu64",", (uint64_t) resolve->gen); - if (resolve->bname) - filled += snprintf (str + filled, size - filled, - "bname=%s,", resolve->bname); - if (resolve->path) - filled += snprintf (str + filled, size - filled, - "path=%s", resolve->path); - - filled += snprintf (str + filled, size - filled, "}"); -} - - -static void -server_print_loc (char *str, int size, loc_t *loc) -{ - int filled = 0; - - if (!loc) { - snprintf (str, size, "<nul>"); - return; - } - - filled += snprintf (str + filled, size - filled, - " Loc={"); - - if (loc->path) - filled += snprintf (str + filled, size - filled, - "path=%s,", loc->path); - if (loc->inode) - filled += snprintf (str + filled, size - filled, - "inode=%p,", loc->inode); - if (loc->parent) - filled += snprintf (str + filled, size - filled, - "parent=%p", loc->parent); - - filled += snprintf (str + filled, size - filled, "}"); -} - - -static void -server_print_params (char *str, int size, server_state_t *state) -{ - int filled = 0; - - filled += snprintf (str + filled, size - filled, - " Params={"); - - if (state->fd) - filled += snprintf (str + filled, size - filled, - "fd=%p,", state->fd); - if (state->valid) - filled += snprintf (str + filled, size - filled, - "valid=%d,", state->valid); - if (state->flags) - filled += snprintf (str + filled, size - filled, - "flags=%d,", state->flags); - if (state->wbflags) - filled += snprintf (str + filled, size - filled, - "wbflags=%d,", state->wbflags); - if (state->size) - filled += snprintf (str + filled, size - filled, - "size=%zu,", state->size); - if (state->offset) - filled += snprintf (str + filled, size - filled, - "offset=%"PRId64",", state->offset); - if (state->cmd) - filled += snprintf (str + filled, size - filled, - "cmd=%d,", state->cmd); - if (state->type) - filled += snprintf (str + filled, size - filled, - "type=%d,", state->type); - if (state->name) - filled += snprintf (str + filled, size - filled, - "name=%s,", state->name); - if (state->mask) - filled += snprintf (str + filled, size - filled, - "mask=%d,", state->mask); - if (state->volume) - filled += snprintf (str + filled, size - filled, - "volume=%s,", state->volume); - - filled += snprintf (str + filled, size - filled, - "bound_xl=%s}", state->bound_xl->name); -} - - -static int -server_resolve_is_empty (server_resolve_t *resolve) -{ - if (resolve->fd_no != -1) - return 0; - - if (resolve->ino != 0) - return 0; - - if (resolve->gen != 0) - return 0; - - if (resolve->par != 0) - return 0; - - if (resolve->path != 0) - return 0; - - if (resolve->bname != 0) - return 0; - - return 1; -} - -void -gf_server_print_request (call_frame_t *frame) -{ - server_conf_t *conf = NULL; - xlator_t *this = NULL; - server_state_t *state = NULL; - char resolve_vars[256]; - char resolve2_vars[256]; - char loc_vars[256]; - char loc2_vars[256]; - char other_vars[512]; - char caller[512]; - char *op = "UNKNOWN"; - - this = frame->this; - conf = this->private; - - state = CALL_STATE (frame); - - if (!conf->trace) - return; - - memset (resolve_vars, '\0', 256); - memset (resolve2_vars, '\0', 256); - memset (loc_vars, '\0', 256); - memset (loc2_vars, '\0', 256); - memset (other_vars, '\0', 256); - - print_caller (caller, 256, frame); - - if (!server_resolve_is_empty (&state->resolve)) { - server_print_resolve (resolve_vars, 256, &state->resolve); - server_print_loc (loc_vars, 256, &state->loc); - } - - if (!server_resolve_is_empty (&state->resolve2)) { - server_print_resolve (resolve2_vars, 256, &state->resolve2); - server_print_loc (loc2_vars, 256, &state->loc2); - } - - server_print_params (other_vars, 512, state); - - switch (frame->root->type) { - case GF_OP_TYPE_FOP_REQUEST: - case GF_OP_TYPE_FOP_REPLY: - op = gf_fop_list[frame->root->op]; - break; - case GF_OP_TYPE_MOP_REQUEST: - case GF_OP_TYPE_MOP_REPLY: - op = gf_mop_list[frame->root->op]; - break; - case GF_OP_TYPE_CBK_REQUEST: - case GF_OP_TYPE_CBK_REPLY: - op = gf_cbk_list[frame->root->op]; - break; - } - - gf_log (this->name, GF_LOG_INFO, - "%s%s%s%s%s%s%s", - gf_fop_list[frame->root->op], caller, - resolve_vars, loc_vars, resolve2_vars, loc2_vars, other_vars); -} - - -static void -server_print_reply (call_frame_t *frame, int op_ret, int op_errno) -{ - server_conf_t *conf = NULL; - server_state_t *state = NULL; - xlator_t *this = NULL; - char caller[512]; - char fdstr[32]; - char *op = "UNKNOWN"; - - this = frame->this; - conf = this->private; - - if (!conf->trace) - return; - - state = CALL_STATE (frame); - - print_caller (caller, 256, frame); - - switch (frame->root->type) { - case GF_OP_TYPE_FOP_REQUEST: - case GF_OP_TYPE_FOP_REPLY: - op = gf_fop_list[frame->root->op]; - break; - case GF_OP_TYPE_MOP_REQUEST: - case GF_OP_TYPE_MOP_REPLY: - op = gf_mop_list[frame->root->op]; - break; - case GF_OP_TYPE_CBK_REQUEST: - case GF_OP_TYPE_CBK_REPLY: - op = gf_cbk_list[frame->root->op]; - break; - } - - fdstr[0] = '\0'; - if (state->fd) - snprintf (fdstr, 32, " fd=%p", state->fd); - - gf_log (this->name, GF_LOG_INFO, - "%s%s => (%d, %d)%s", - op, caller, op_ret, op_errno, fdstr); -} - - - -static void -protocol_server_reply (call_frame_t *frame, int type, int op, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iovec *vector, int count, - struct iobref *iobref) -{ - server_state_t *state = NULL; - xlator_t *bound_xl = NULL; - transport_t *trans = NULL; - int ret = 0; - - xlator_t *this = NULL; - - bound_xl = BOUND_XL (frame); - state = CALL_STATE (frame); - trans = state->trans; - this = frame->this; - - hdr->callid = hton64 (frame->root->unique); - hdr->type = hton32 (type); - hdr->op = hton32 (op); - - server_print_reply (frame, ntoh32 (hdr->rsp.op_ret), - gf_error_to_errno (ntoh32 (hdr->rsp.op_errno))); - - ret = transport_submit (trans, (char *)hdr, hdrlen, vector, - count, iobref); - if (ret < 0) { - gf_log ("protocol/server", GF_LOG_ERROR, - "frame %"PRId64": failed to submit. op= %d, type= %d", - frame->root->unique, op, type); - } - - STACK_DESTROY (frame->root); - - if (state) - free_old_server_state (state); - -} - - -static int -gf_add_locker (struct _lock_table *table, const char *volume, - loc_t *loc, fd_t *fd, pid_t pid) -{ - int32_t ret = -1; - struct _locker *new = NULL; - uint8_t dir = 0; - - new = GF_CALLOC (1, sizeof (struct _locker), - gf_server_mt_locker); - if (new == NULL) { - gf_log ("server", GF_LOG_ERROR, - "failed to allocate memory for \'struct _locker\'"); - goto out; - } - INIT_LIST_HEAD (&new->lockers); - - new->volume = gf_strdup (volume); - - if (fd == NULL) { - loc_copy (&new->loc, loc); - dir = IA_ISDIR (new->loc.inode->ia_type); - } else { - new->fd = fd_ref (fd); - dir = IA_ISDIR (fd->inode->ia_type); - } - - new->pid = pid; - - LOCK (&table->lock); - { - if (dir) - list_add_tail (&new->lockers, &table->dir_lockers); - else - list_add_tail (&new->lockers, &table->file_lockers); - } - UNLOCK (&table->lock); -out: - return ret; -} - - -static int -gf_del_locker (struct _lock_table *table, const char *volume, - loc_t *loc, fd_t *fd, pid_t pid) -{ - struct _locker *locker = NULL; - struct _locker *tmp = NULL; - int32_t ret = 0; - uint8_t dir = 0; - struct list_head *head = NULL; - struct list_head del; - - INIT_LIST_HEAD (&del); - - if (fd) { - dir = IA_ISDIR (fd->inode->ia_type); - } else { - dir = IA_ISDIR (loc->inode->ia_type); - } - - LOCK (&table->lock); - { - if (dir) { - head = &table->dir_lockers; - } else { - head = &table->file_lockers; - } - - list_for_each_entry_safe (locker, tmp, head, lockers) { - if (locker->fd && fd && - (locker->fd == fd) && (locker->pid == pid) - && !strcmp (locker->volume, volume)) { - list_move_tail (&locker->lockers, &del); - } else if (locker->loc.inode && - loc && - (locker->loc.inode == loc->inode) && - (locker->pid == pid) - && !strcmp (locker->volume, volume)) { - list_move_tail (&locker->lockers, &del); - } - } - } - UNLOCK (&table->lock); - - tmp = NULL; - locker = NULL; - - list_for_each_entry_safe (locker, tmp, &del, lockers) { - list_del_init (&locker->lockers); - if (locker->fd) - fd_unref (locker->fd); - else - loc_wipe (&locker->loc); - - GF_FREE (locker->volume); - GF_FREE (locker); - } - - return ret; -} - - -/* - * server_lk_cbk - lk callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @lock: - * - * not for external reference - */ -static int -server_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct gf_flock *lock) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_lk_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - gf_flock_from_flock (&rsp->flock, lock); - } else if (op_errno != ENOSYS) { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": LK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - gf_fop_inodelk_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - conn = SERVER_CONNECTION(frame); - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - if (state->flock.l_type == F_UNLCK) - gf_del_locker (conn->ltable, state->volume, - &state->loc, NULL, frame->root->pid); - else - gf_add_locker (conn->ltable, state->volume, - &state->loc, NULL, frame->root->pid); - } else if (op_errno != ENOSYS) { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": INODELK %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_INODELK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_finodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - gf_fop_finodelk_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - conn = SERVER_CONNECTION(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - state = CALL_STATE(frame); - - if (op_ret >= 0) { - if (state->flock.l_type == F_UNLCK) - gf_del_locker (conn->ltable, state->volume, - NULL, state->fd, - frame->root->pid); - else - gf_add_locker (conn->ltable, state->volume, - NULL, state->fd, - frame->root->pid); - } else if (op_errno != ENOSYS) { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": FINODELK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FINODELK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_entrylk_cbk - - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @lock: - * - * not for external reference - */ -static int -server_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - gf_fop_entrylk_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - conn = SERVER_CONNECTION(frame); - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - if (state->cmd == ENTRYLK_UNLOCK) - gf_del_locker (conn->ltable, state->volume, - &state->loc, NULL, frame->root->pid); - else - gf_add_locker (conn->ltable, state->volume, - &state->loc, NULL, frame->root->pid); - } else if (op_errno != ENOSYS) { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": INODELK %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_ENTRYLK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_fentrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - gf_fop_fentrylk_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - conn = SERVER_CONNECTION(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - state = CALL_STATE(frame); - if (op_ret >= 0) { - if (state->cmd == ENTRYLK_UNLOCK) - gf_del_locker (conn->ltable, state->volume, - NULL, state->fd, frame->root->pid); - else - gf_add_locker (conn->ltable, state->volume, - NULL, state->fd, frame->root->pid); - } else if (op_errno != ENOSYS) { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": FENTRYLK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FENTRYLK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_access_cbk - access callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_access_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_ACCESS, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_rmdir_cbk - rmdir callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *preparent, - struct iatt *postparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_rmdir_rsp_t *rsp = NULL; - server_state_t *state = NULL; - int32_t gf_errno = 0; - size_t hdrlen = 0; - inode_t *parent = NULL; - - state = CALL_STATE(frame); - - if (op_ret == 0) { - inode_unlink (state->loc.inode, state->loc.parent, - state->loc.name); - parent = inode_parent (state->loc.inode, 0, NULL); - if (parent) - inode_unref (parent); - else - inode_forget (state->loc.inode, 0); - } else { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": RMDIR %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->preparent, preparent); - gf_stat_from_iatt (&rsp->postparent, postparent); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_RMDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_mkdir_cbk - mkdir callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *stbuf, struct iatt *preparent, - struct iatt *postparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_mkdir_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - inode_t *link_inode = NULL; - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - gf_stat_from_iatt (&rsp->stat, stbuf); - gf_stat_from_iatt (&rsp->preparent, preparent); - gf_stat_from_iatt (&rsp->postparent, postparent); - - link_inode = inode_link (inode, state->loc.parent, - state->loc.name, stbuf); - inode_lookup (link_inode); - inode_unref (link_inode); - } else { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": MKDIR %s ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_MKDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_mknod_cbk - mknod callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - inode_t *inode, struct iatt *stbuf, struct iatt *preparent, - struct iatt *postparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_mknod_rsp_t *rsp = NULL; - server_state_t *state = NULL; - int32_t gf_errno = 0; - size_t hdrlen = 0; - inode_t *link_inode = NULL; - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - gf_stat_from_iatt (&rsp->stat, stbuf); - gf_stat_from_iatt (&rsp->preparent, preparent); - gf_stat_from_iatt (&rsp->postparent, postparent); - - link_inode = inode_link (inode, state->loc.parent, - state->loc.name, stbuf); - inode_lookup (link_inode); - inode_unref (link_inode); - } else { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": MKNOD %s ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_MKNOD, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_fsyncdir_cbk - fsyncdir callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsyncdir_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - if (op_ret < 0) { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": FSYNCDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSYNCDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - - -/* - * server_readdir_cbk - getdents callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, gf_dirent_t *entries) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_readdir_rsp_t *rsp = NULL; - size_t hdrlen = 0; - size_t buf_size = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - if (op_ret > 0) - buf_size = gf_dirent_serialize (entries, NULL, 0); - - hdrlen = gf_hdr_len (rsp, buf_size); - hdr = gf_hdr_new (rsp, buf_size); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret > 0) { - rsp->size = hton32 (buf_size); - gf_dirent_serialize (entries, rsp->buf, buf_size); - } else { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": READDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_releasedir_cbk - releasedir callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * - * not for external reference - */ -static int -server_releasedir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_cbk_releasedir_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_CBK_REPLY, GF_CBK_RELEASEDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_opendir_cbk - opendir callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * @fd: file descriptor structure of opened directory - * - * not for external reference - */ -static int -server_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, fd_t *fd) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - gf_fop_opendir_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - uint64_t fd_no = 0; - - conn = SERVER_CONNECTION (frame); - - state = CALL_STATE (frame); - - if (op_ret >= 0) { - fd_bind (fd); - - fd_no = gf_fd_unused_get (conn->fdtable, fd); - fd_ref (fd); // on behalf of the client - } else { - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": OPENDIR %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - rsp->fd = hton64 (fd_no); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_OPENDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_statfs_cbk - statfs callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * @buf: - * - * not for external reference - */ -static int -server_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct statvfs *buf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_statfs_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE (frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - gf_statfs_from_statfs (&rsp->statfs, buf); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_STATFS, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_removexattr_cbk - removexattr callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * - * not for external reference - */ -static int -server_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_removexattr_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE (frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_REMOVEXATTR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_getxattr_cbk - getxattr callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * @value: - * - * not for external reference - */ -static int -server_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *dict) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_getxattr_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t len = 0; - int32_t gf_errno = 0; - int32_t ret = -1; - - state = CALL_STATE (frame); - - if (op_ret >= 0) { - len = dict_serialized_length (dict); - if (len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to get serialized length of " - "reply dict", - state->loc.path, state->resolve.ino); - op_ret = -1; - op_errno = EINVAL; - len = 0; - } - } - - hdrlen = gf_hdr_len (rsp, len + 1); - hdr = gf_hdr_new (rsp, len + 1); - rsp = gf_param (hdr); - - if (op_ret >= 0) { - ret = dict_serialize (dict, rsp->dict); - if (len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to serialize reply dict", - state->loc.path, state->resolve.ino); - op_ret = -1; - op_errno = -ret; - } - } - rsp->dict_len = hton32 (len); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_GETXATTR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *dict) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fgetxattr_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t len = 0; - int32_t gf_errno = 0; - int32_t ret = -1; - - state = CALL_STATE (frame); - - if (op_ret >= 0) { - len = dict_serialized_length (dict); - if (len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to get serialized length of " - "reply dict", - state->loc.path, state->resolve.ino); - op_ret = -1; - op_errno = EINVAL; - len = 0; - } - } - - hdrlen = gf_hdr_len (rsp, len + 1); - hdr = gf_hdr_new (rsp, len + 1); - rsp = gf_param (hdr); - - if (op_ret >= 0) { - ret = dict_serialize (dict, rsp->dict); - if (len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to serialize reply dict", - state->loc.path, state->resolve.ino); - op_ret = -1; - op_errno = -ret; - } - } - rsp->dict_len = hton32 (len); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FGETXATTR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_setxattr_cbk - setxattr callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * - * not for external reference - */ -static int -server_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_setxattr_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE (frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SETXATTR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsetxattr_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSETXATTR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_rename_cbk - rename callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * - * not for external reference - */ -static int -server_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *stbuf, - struct iatt *preoldparent, struct iatt *postoldparent, - struct iatt *prenewparent, struct iatt *postnewparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_rename_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - stbuf->ia_ino = state->loc.inode->ino; - stbuf->ia_type = state->loc.inode->ia_type; - - gf_log (state->bound_xl->name, GF_LOG_TRACE, - "%"PRId64": RENAME_CBK (%"PRId64") %"PRId64"/%s " - "==> %"PRId64"/%s", - frame->root->unique, state->loc.inode->ino, - state->loc.parent->ino, state->loc.name, - state->loc2.parent->ino, state->loc2.name); - - inode_rename (state->itable, - state->loc.parent, state->loc.name, - state->loc2.parent, state->loc2.name, - state->loc.inode, stbuf); - gf_stat_from_iatt (&rsp->stat, stbuf); - - gf_stat_from_iatt (&rsp->preoldparent, preoldparent); - gf_stat_from_iatt (&rsp->postoldparent, postoldparent); - - gf_stat_from_iatt (&rsp->prenewparent, prenewparent); - gf_stat_from_iatt (&rsp->postnewparent, postnewparent); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_RENAME, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_unlink_cbk - unlink callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * - * not for external reference - */ -static int -server_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *preparent, - struct iatt *postparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_unlink_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - inode_t *parent = NULL; - - state = CALL_STATE(frame); - - if (op_ret == 0) { - gf_log (state->bound_xl->name, GF_LOG_TRACE, - "%"PRId64": UNLINK_CBK %"PRId64"/%s (%"PRId64")", - frame->root->unique, state->loc.parent->ino, - state->loc.name, state->loc.inode->ino); - - inode_unlink (state->loc.inode, state->loc.parent, - state->loc.name); - - parent = inode_parent (state->loc.inode, 0, NULL); - if (parent) - inode_unref (parent); - else - inode_forget (state->loc.inode, 0); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": UNLINK %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->preparent, preparent); - gf_stat_from_iatt (&rsp->postparent, postparent); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_UNLINK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_symlink_cbk - symlink callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: return value - * @op_errno: errno - * - * not for external reference - */ -static int -server_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *stbuf, struct iatt *preparent, - struct iatt *postparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_symlink_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - inode_t *link_inode = NULL; - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); - - if (op_ret >= 0) { - gf_stat_from_iatt (&rsp->stat, stbuf); - gf_stat_from_iatt (&rsp->preparent, preparent); - gf_stat_from_iatt (&rsp->postparent, postparent); - - link_inode = inode_link (inode, state->loc.parent, - state->loc.name, stbuf); - inode_lookup (link_inode); - inode_unref (link_inode); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": SYMLINK %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SYMLINK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_link_cbk - link callback for server protocol - * @frame: call frame - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *stbuf, struct iatt *preparent, - struct iatt *postparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_link_rsp_t *rsp = NULL; - server_state_t *state = NULL; - int32_t gf_errno = 0; - size_t hdrlen = 0; - inode_t *link_inode = NULL; - - state = CALL_STATE(frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - stbuf->ia_ino = state->loc.inode->ino; - - gf_stat_from_iatt (&rsp->stat, stbuf); - gf_stat_from_iatt (&rsp->preparent, preparent); - gf_stat_from_iatt (&rsp->postparent, postparent); - - gf_log (state->bound_xl->name, GF_LOG_TRACE, - "%"PRId64": LINK (%"PRId64") %"PRId64"/%s ==> %"PRId64"/%s", - frame->root->unique, inode->ino, - state->loc2.parent->ino, - state->loc2.name, state->loc.parent->ino, - state->loc.name); - - link_inode = inode_link (inode, state->loc2.parent, - state->loc2.name, stbuf); - inode_unref (link_inode); - } else { - gf_log (state->bound_xl->name, GF_LOG_DEBUG, - "%"PRId64": LINK (%"PRId64") %"PRId64"/%s ==> %"PRId64"/%s " - " ==> %"PRId32" (%s)", - frame->root->unique, state->resolve2.ino, - state->resolve2.par, - state->resolve2.bname, state->resolve.par, - state->resolve.bname, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LINK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_truncate_cbk - truncate callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_truncate_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE (frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->prestat, prebuf); - gf_stat_from_iatt (&rsp->poststat, postbuf); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": TRUNCATE %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_TRUNCATE, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_fstat_cbk - fstat callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *stbuf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fstat_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->stat, stbuf); - } else { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": FSTAT %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSTAT, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_ftruncate_cbk - ftruncate callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_ftruncate_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->prestat, prebuf); - gf_stat_from_iatt (&rsp->poststat, postbuf); - } else { - state = CALL_STATE (frame); - - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": FTRUNCATE %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FTRUNCATE, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_flush_cbk - flush callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_flush_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - if (op_ret < 0) { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": FLUSH %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FLUSH, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_fsync_cbk - fsync callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsync_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - if (op_ret < 0) { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": FSYNC %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - gf_stat_from_iatt (&(rsp->prestat), prebuf); - gf_stat_from_iatt (&(rsp->poststat), postbuf); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSYNC, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_release_cbk - rleease callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_release_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno) -{ - gf_hdr_common_t *hdr = NULL; - gf_cbk_release_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_CBK_REPLY, GF_CBK_RELEASE, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_writev_cbk - writev callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ - -static int -server_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_write_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); - - if (op_ret >= 0) { - gf_stat_from_iatt (&rsp->prestat, prebuf); - gf_stat_from_iatt (&rsp->poststat, postbuf); - } else { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": WRITEV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_WRITE, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_readv_cbk - readv callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @vector: - * @count: - * - * not for external reference - */ -static int -server_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - struct iovec *vector, int32_t count, - struct iatt *stbuf, struct iobref *iobref) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_read_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - gf_stat_from_iatt (&rsp->stat, stbuf); - } else { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": READV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READ, - hdr, hdrlen, vector, count, iobref); - - return 0; -} - - -/* - * server_open_cbk - open callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @fd: - * - * not for external reference - */ -static int -server_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, fd_t *fd) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - gf_fop_open_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - uint64_t fd_no = 0; - - conn = SERVER_CONNECTION (frame); - - state = CALL_STATE (frame); - - if (op_ret >= 0) { - fd_bind (fd); - - fd_no = gf_fd_unused_get (conn->fdtable, fd); - fd_ref (fd); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": OPEN %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - rsp->fd = hton64 (fd_no); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_OPEN, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_create_cbk - create callback for server - * @frame: call frame - * @cookie: - * @this: translator structure - * @op_ret: - * @op_errno: - * @fd: file descriptor - * @inode: inode structure - * @stbuf: struct iatt of created file - * - * not for external reference - */ -static int -server_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - fd_t *fd, inode_t *inode, struct iatt *stbuf, - struct iatt *preparent, struct iatt *postparent) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - gf_fop_create_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - uint64_t fd_no = 0; - inode_t *link_inode = NULL; - - conn = SERVER_CONNECTION (frame); - - state = CALL_STATE (frame); - - if (op_ret >= 0) { - gf_log (state->bound_xl->name, GF_LOG_TRACE, - "%"PRId64": CREATE %"PRId64"/%s (%"PRId64")", - frame->root->unique, state->loc.parent->ino, - state->loc.name, stbuf->ia_ino); - - link_inode = inode_link (inode, state->loc.parent, - state->loc.name, stbuf); - - if (link_inode != inode) { - - /* - VERY racy code (if used anywhere else) - -- don't do this without understanding - */ - - inode_unref (fd->inode); - fd->inode = inode_ref (link_inode); - } - - inode_lookup (link_inode); - inode_unref (link_inode); - - fd_bind (fd); - - fd_no = gf_fd_unused_get (conn->fdtable, fd); - fd_ref (fd); - - if ((fd_no < 0) || (fd == 0)) { - op_ret = fd_no; - op_errno = errno; - } - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": CREATE %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - rsp->fd = hton64 (fd_no); - - if (op_ret >= 0) { - gf_stat_from_iatt (&rsp->stat, stbuf); - gf_stat_from_iatt (&rsp->preparent, preparent); - gf_stat_from_iatt (&rsp->postparent, postparent); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_CREATE, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_readlink_cbk - readlink callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @buf: - * - * not for external reference - */ -static int -server_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, const char *buf, - struct iatt *sbuf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_readlink_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - size_t linklen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE(frame); - - if (op_ret >= 0) { - linklen = strlen (buf) + 1; - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": READLINK %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - hdrlen = gf_hdr_len (rsp, linklen); - hdr = gf_hdr_new (rsp, linklen); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); - - if (op_ret >= 0) { - gf_stat_from_iatt (&(rsp->buf), sbuf); - strcpy (rsp->path, buf); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READLINK, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_stat_cbk - stat callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *stbuf) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_stat_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE (frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->stat, stbuf); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": STAT %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_STAT, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_setattr_cbk - setattr callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ - -static int -server_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - struct iatt *statpre, struct iatt *statpost) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_setattr_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE (frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->statpre, statpre); - gf_stat_from_iatt (&rsp->statpost, statpost); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": SETATTR %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SETATTR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -/* - * server_setattr_cbk - setattr callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @stbuf: - * - * not for external reference - */ -static int -server_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - struct iatt *statpre, struct iatt *statpost) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fsetattr_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - state = CALL_STATE (frame); - - hdrlen = gf_hdr_len (rsp, 0); - hdr = gf_hdr_new (rsp, 0); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); - - if (op_ret == 0) { - gf_stat_from_iatt (&rsp->statpre, statpre); - gf_stat_from_iatt (&rsp->statpost, statpost); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": FSETATTR %"PRId64" (%"PRId64") ==> " - "%"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSETATTR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * server_lookup_cbk - lookup callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * @inode: - * @stbuf: - * - * not for external reference - */ -static int -server_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - inode_t *inode, struct iatt *stbuf, dict_t *dict, - struct iatt *postparent) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_lookup_rsp_t *rsp = NULL; - server_state_t *state = NULL; - inode_t *root_inode = NULL; - int32_t dict_len = 0; - size_t hdrlen = 0; - int32_t gf_errno = 0; - int32_t ret = -1; - inode_t *link_inode = NULL; - loc_t fresh_loc = {0,}; - - state = CALL_STATE(frame); - - if (state->is_revalidate == 1 && op_ret == -1) { - state->is_revalidate = 2; - loc_copy (&fresh_loc, &state->loc); - inode_unref (fresh_loc.inode); - fresh_loc.inode = inode_new (state->itable); - - STACK_WIND (frame, server_lookup_cbk, - BOUND_XL (frame), BOUND_XL (frame)->fops->lookup, - &fresh_loc, state->dict); - - loc_wipe (&fresh_loc); - return 0; - } - - if (dict) { - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to get serialized " - "length of reply dict", - state->loc.path, state->loc.inode->ino); - op_ret = -1; - op_errno = EINVAL; - dict_len = 0; - } - } - - hdrlen = gf_hdr_len (rsp, dict_len); - hdr = gf_hdr_new (rsp, dict_len); - rsp = gf_param (hdr); - - if ((op_ret >= 0) && dict) { - ret = dict_serialize (dict, rsp->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to serialize reply dict", - state->loc.path, state->loc.inode->ino); - op_ret = -1; - op_errno = -ret; - dict_len = 0; - } - } - rsp->dict_len = hton32 (dict_len); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (postparent) - gf_stat_from_iatt (&rsp->postparent, postparent); - - if (op_ret == 0) { - root_inode = BOUND_XL(frame)->itable->root; - if (inode == root_inode) { - /* we just looked up root ("/") */ - stbuf->ia_ino = 1; - if (inode->ia_type == 0) - inode->ia_type = stbuf->ia_type; - } - - gf_stat_from_iatt (&rsp->stat, stbuf); - - if (inode->ino != 1) { - link_inode = inode_link (inode, state->loc.parent, - state->loc.name, stbuf); - inode_lookup (link_inode); - inode_unref (link_inode); - } - } else { - if (state->is_revalidate && op_errno == ENOENT) { - if (state->loc.inode->ino != 1) { - inode_unlink (state->loc.inode, - state->loc.parent, - state->loc.name); - } - } - - gf_log (this->name, - (op_errno == ENOENT ? GF_LOG_TRACE : GF_LOG_DEBUG), - "%"PRId64": LOOKUP %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LOOKUP, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *dict) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_xattrop_rsp_t *rsp = NULL; - server_state_t *state = NULL; - size_t hdrlen = 0; - int32_t len = 0; - int32_t gf_errno = 0; - int32_t ret = -1; - - state = CALL_STATE (frame); - - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": XATTROP %s (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->loc.path, - state->loc.inode ? state->loc.inode->ino : 0, - op_ret, strerror (op_errno)); - } - - if ((op_ret >= 0) && dict) { - len = dict_serialized_length (dict); - if (len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to get serialized length" - " for reply dict", - state->loc.path, state->loc.inode->ino); - op_ret = -1; - op_errno = EINVAL; - len = 0; - } - } - - hdrlen = gf_hdr_len (rsp, len + 1); - hdr = gf_hdr_new (rsp, len + 1); - rsp = gf_param (hdr); - - if ((op_ret >= 0) && dict) { - ret = dict_serialize (dict, rsp->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to serialize reply dict", - state->loc.path, state->loc.inode->ino); - op_ret = -1; - op_errno = -ret; - len = 0; - } - } - rsp->dict_len = hton32 (len); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_XATTROP, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *dict) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_xattrop_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t len = 0; - int32_t gf_errno = 0; - int32_t ret = -1; - server_state_t *state = NULL; - - state = CALL_STATE(frame); - - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "%"PRId64": FXATTROP %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - if ((op_ret >= 0) && dict) { - len = dict_serialized_length (dict); - if (len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "fd - %"PRId64" (%"PRId64"): failed to get " - "serialized length for reply dict", - state->resolve.fd_no, state->fd->inode->ino); - op_ret = -1; - op_errno = EINVAL; - len = 0; - } - } - - hdrlen = gf_hdr_len (rsp, len + 1); - hdr = gf_hdr_new (rsp, len + 1); - rsp = gf_param (hdr); - - if ((op_ret >= 0) && dict) { - ret = dict_serialize (dict, rsp->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "fd - %"PRId64" (%"PRId64"): failed to " - "serialize reply dict", - state->resolve.fd_no, state->fd->inode->ino); - op_ret = -1; - op_errno = -ret; - len = 0; - } - } - rsp->dict_len = hton32 (len); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FXATTROP, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_lookup_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - if (!state->loc.inode) - state->loc.inode = inode_new (state->itable); - else - state->is_revalidate = 1; - - STACK_WIND (frame, server_lookup_cbk, - bound_xl, bound_xl->fops->lookup, - &state->loc, state->dict); - - return 0; -err: - server_lookup_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL, NULL, NULL); - - return 0; -} - - -static int -server_lookup (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_lookup_req_t *req = NULL; - server_state_t *state = NULL; - int32_t ret = -1; - size_t pathlen = 0; - size_t baselen = 0; - size_t dictlen = 0; - dict_t *xattr_req = NULL; - char *req_dictbuf = NULL; - - req = gf_param (hdr); - - state = CALL_STATE (frame); - - pathlen = STRLEN_0 (req->path); - dictlen = ntoh32 (req->dictlen); - - /* NOTE: lookup() uses req->ino only to identify if a lookup() - * is requested for 'root' or not - */ - state->resolve.ino = ntoh64 (req->ino); - if (state->resolve.ino != 1) - state->resolve.ino = 0; - - state->resolve.type = RESOLVE_DONTCARE; - state->resolve.par = ntoh64 (req->par); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - - if (IS_NOT_ROOT (pathlen)) { - state->resolve.bname = gf_strdup (req->bname + pathlen); - baselen = STRLEN_0 (state->resolve.bname); - } - - if (dictlen) { - /* Unserialize the dictionary */ - req_dictbuf = memdup (req->dict + pathlen + baselen, dictlen); - - xattr_req = dict_new (); - - ret = dict_unserialize (req_dictbuf, dictlen, &xattr_req); - if (ret < 0) { - gf_log (bound_xl->name, GF_LOG_ERROR, - "%"PRId64": %s (%"PRId64"): failed to " - "unserialize req-buffer to dictionary", - frame->root->unique, state->resolve.path, - state->resolve.ino); - GF_FREE (req_dictbuf); - goto err; - } - - xattr_req->extra_free = req_dictbuf; - state->dict = xattr_req; - } - - gf_resolve_and_resume (frame, server_lookup_resume); - - return 0; -err: - if (xattr_req) - dict_unref (xattr_req); - - server_lookup_cbk (frame, NULL, frame->this, -1, EINVAL, NULL, NULL, - NULL, NULL); - return 0; -} - - -/* - * server_forget - forget function for server protocol - * - * not for external reference - */ -static int -server_forget (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_log ("forget", GF_LOG_CRITICAL, "function not implemented"); - return 0; -} - - -static int -server_stat_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_stat_cbk, - bound_xl, bound_xl->fops->stat, &state->loc); - return 0; -err: - server_stat_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_stat (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_stat_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - { - state->resolve.type = RESOLVE_MUST; - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - } - - gf_resolve_and_resume (frame, server_stat_resume); - - return 0; -} - - -static int -server_setattr_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_setattr_cbk, - bound_xl, bound_xl->fops->setattr, - &state->loc, &state->stbuf, state->valid); - return 0; -err: - server_setattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - - return 0; -} - - -static int -server_setattr (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_setattr_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - - gf_stat_to_iatt (&req->stbuf, &state->stbuf); - state->valid = ntoh32 (req->valid); - - gf_resolve_and_resume (frame, server_setattr_resume); - - return 0; -} - - -static int -server_fsetattr_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_fsetattr_cbk, - bound_xl, bound_xl->fops->fsetattr, - state->fd, &state->stbuf, state->valid); - return 0; -err: - server_fsetattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - - return 0; -} - - -static int -server_fsetattr (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fsetattr_req_t *req = NULL; - server_state_t *state = NULL; - - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - - gf_stat_to_iatt (&req->stbuf, &state->stbuf); - state->valid = ntoh32 (req->valid); - - gf_resolve_and_resume (frame, server_fsetattr_resume); - - return 0; -} - - -static int -server_readlink_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_readlink_cbk, - bound_xl, bound_xl->fops->readlink, - &state->loc, state->size); - return 0; -err: - server_readlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - return 0; -} - - -static int -server_readlink (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_readlink_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - - state->size = ntoh32 (req->size); - - gf_resolve_and_resume (frame, server_readlink_resume); - - return 0; -} - - -static int -server_create_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - state->loc.inode = inode_new (state->itable); - - state->fd = fd_create (state->loc.inode, frame->root->pid); - state->fd->flags = state->flags; - - STACK_WIND (frame, server_create_cbk, - bound_xl, bound_xl->fops->create, - &(state->loc), state->flags, state->mode, - state->fd, state->params); - - return 0; -err: - server_create_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL, NULL, - NULL, NULL); - return 0; -} - - -static int -server_create (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_create_req_t *req = NULL; - server_state_t *state = NULL; - int pathlen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - pathlen = STRLEN_0 (req->path); - - state->resolve.type = RESOLVE_NOT; - state->resolve.par = ntoh64 (req->par); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - state->resolve.bname = gf_strdup (req->bname + pathlen); - state->mode = ntoh32 (req->mode); - state->flags = gf_flags_to_flags (ntoh32 (req->flags)); - - gf_resolve_and_resume (frame, server_create_resume); - - return 0; -} - - -static int -server_open_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - state->fd = fd_create (state->loc.inode, frame->root->pid); - state->fd->flags = state->flags; - - STACK_WIND (frame, server_open_cbk, - bound_xl, bound_xl->fops->open, - &state->loc, state->flags, state->fd, 0); - - return 0; -err: - server_open_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_open (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_open_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - - state->flags = gf_flags_to_flags (ntoh32 (req->flags)); - - gf_resolve_and_resume (frame, server_open_resume); - - return 0; -} - - -static int -server_readv_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_readv_cbk, - bound_xl, bound_xl->fops->readv, - state->fd, state->size, state->offset); - - return 0; -err: - server_readv_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, 0, NULL, NULL); - return 0; -} - - -static int -server_readv (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_read_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->size = ntoh32 (req->size); - state->offset = ntoh64 (req->offset); - - gf_resolve_and_resume (frame, server_readv_resume); - - return 0; -} - - -static int -server_writev_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - struct iovec iov = {0, }; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - iov.iov_len = state->size; - - if (state->iobuf) { - iov.iov_base = state->iobuf->ptr; - } - - STACK_WIND (frame, server_writev_cbk, - bound_xl, bound_xl->fops->writev, - state->fd, &iov, 1, state->offset, state->iobref); - - return 0; -err: - server_writev_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - return 0; -} - - -static int -server_writev (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_write_req_t *req = NULL; - server_state_t *state = NULL; - struct iobref *iobref = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->offset = ntoh64 (req->offset); - state->size = ntoh32 (req->size); - - if (iobuf) { - iobref = iobref_new (); - iobref_add (iobref, iobuf); - - state->iobuf = iobuf; - state->iobref = iobref; - } - - gf_resolve_and_resume (frame, server_writev_resume); - - return 0; -} - - -static int -server_release (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_cbk_release_req_t *req = NULL; - server_state_t *state = NULL; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION (frame); - state = CALL_STATE (frame); - req = gf_param (hdr); - - state->resolve.fd_no = ntoh64 (req->fd); - - gf_fd_put (conn->fdtable, state->resolve.fd_no); - - server_release_cbk (frame, NULL, frame->this, 0, 0); - - return 0; -} - - -static int -server_fsync_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_fsync_cbk, - bound_xl, bound_xl->fops->fsync, - state->fd, state->flags); - return 0; -err: - server_fsync_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - - return 0; -} - - -static int -server_fsync (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fsync_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->flags = ntoh32 (req->data); - - gf_resolve_and_resume (frame, server_fsync_resume); - - return 0; -} - - - -static int -server_flush_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_flush_cbk, - bound_xl, bound_xl->fops->flush, state->fd); - return 0; -err: - server_flush_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - - return 0; -} - - -static int -server_flush (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fsync_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - - gf_resolve_and_resume (frame, server_flush_resume); - - return 0; -} - - - -static int -server_ftruncate_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_ftruncate_cbk, - bound_xl, bound_xl->fops->ftruncate, - state->fd, state->offset); - return 0; -err: - server_ftruncate_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - - return 0; -} - - -static int -server_ftruncate (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_ftruncate_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->offset = ntoh64 (req->offset); - - gf_resolve_and_resume (frame, server_ftruncate_resume); - - return 0; -} - - -static int -server_fstat_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_fstat_cbk, - bound_xl, bound_xl->fops->fstat, - state->fd); - return 0; -err: - server_fstat_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_fstat (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fstat_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - - gf_resolve_and_resume (frame, server_fstat_resume); - - return 0; -} - - -static int -server_truncate_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_truncate_cbk, - bound_xl, bound_xl->fops->truncate, - &state->loc, state->offset); - return 0; -err: - server_truncate_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - return 0; -} - - - -static int -server_truncate (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_truncate_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->path); - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->offset = ntoh64 (req->offset); - - gf_resolve_and_resume (frame, server_truncate_resume); - - return 0; -} - - -static int -server_unlink_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_unlink_cbk, - bound_xl, bound_xl->fops->unlink, - &state->loc); - return 0; -err: - server_unlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - return 0; -} - - -static int -server_unlink (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_unlink_req_t *req = NULL; - server_state_t *state = NULL; - int pathlen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - pathlen = STRLEN_0 (req->path); - - state->resolve.type = RESOLVE_MUST; - state->resolve.par = ntoh64 (req->par); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - state->resolve.bname = gf_strdup (req->bname + pathlen); - - gf_resolve_and_resume (frame, server_unlink_resume); - - return 0; -} - - -static int -server_setxattr_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_setxattr_cbk, - bound_xl, bound_xl->fops->setxattr, - &state->loc, state->dict, state->flags); - return 0; -err: - server_setxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - - return 0; -} - - -static int -server_setxattr (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_setxattr_req_t *req = NULL; - server_state_t *state = NULL; - dict_t *dict = NULL; - int32_t ret = -1; - size_t dict_len = 0; - char *req_dictbuf = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - dict_len = ntoh32 (req->dict_len); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->path + dict_len); - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->flags = ntoh32 (req->flags); - - if (dict_len) { - req_dictbuf = memdup (req->dict, dict_len); - - dict = dict_new (); - - ret = dict_unserialize (req_dictbuf, dict_len, &dict); - if (ret < 0) { - gf_log (bound_xl->name, GF_LOG_ERROR, - "%"PRId64": %s (%"PRId64"): failed to " - "unserialize request buffer to dictionary", - frame->root->unique, state->loc.path, - state->resolve.ino); - GF_FREE (req_dictbuf); - goto err; - } - - dict->extra_free = req_dictbuf; - state->dict = dict; - } - - gf_resolve_and_resume (frame, server_setxattr_resume); - - return 0; -err: - if (dict) - dict_unref (dict); - - server_setxattr_cbk (frame, NULL, frame->this, -1, EINVAL); - - return 0; - -} - - -static int -server_fsetxattr_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_setxattr_cbk, - bound_xl, bound_xl->fops->fsetxattr, - state->fd, state->dict, state->flags); - return 0; -err: - server_fsetxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - - return 0; -} - - -static int -server_fsetxattr (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fsetxattr_req_t *req = NULL; - server_state_t *state = NULL; - dict_t *dict = NULL; - int32_t ret = -1; - size_t dict_len = 0; - char *req_dictbuf = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - dict_len = ntoh32 (req->dict_len); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->flags = ntoh32 (req->flags); - - if (dict_len) { - req_dictbuf = memdup (req->dict, dict_len); - - dict = dict_new (); - - ret = dict_unserialize (req_dictbuf, dict_len, &dict); - if (ret < 0) { - gf_log (bound_xl->name, GF_LOG_ERROR, - "%"PRId64": %s (%"PRId64"): failed to " - "unserialize request buffer to dictionary", - frame->root->unique, state->loc.path, - state->resolve.ino); - GF_FREE (req_dictbuf); - goto err; - } - - dict->extra_free = req_dictbuf; - state->dict = dict; - } - - gf_resolve_and_resume (frame, server_fsetxattr_resume); - - return 0; -err: - if (dict) - dict_unref (dict); - - server_setxattr_cbk (frame, NULL, frame->this, -1, EINVAL); - - return 0; -} - - -static int -server_fxattrop_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_fxattrop_cbk, - bound_xl, bound_xl->fops->fxattrop, - state->fd, state->flags, state->dict); - return 0; -err: - server_fxattrop_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_fxattrop (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fxattrop_req_t *req = NULL; - dict_t *dict = NULL; - server_state_t *state = NULL; - size_t dict_len = 0; - char *req_dictbuf = NULL; - int32_t ret = -1; - - req = gf_param (hdr); - state = CALL_STATE(frame); - - dict_len = ntoh32 (req->dict_len); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->flags = ntoh32 (req->flags); - - if (dict_len) { - /* Unserialize the dictionary */ - req_dictbuf = memdup (req->dict, dict_len); - - dict = dict_new (); - - ret = dict_unserialize (req_dictbuf, dict_len, &dict); - if (ret < 0) { - gf_log (bound_xl->name, GF_LOG_ERROR, - "fd - %"PRId64" (%"PRId64"): failed to unserialize " - "request buffer to dictionary", - state->resolve.fd_no, state->fd->inode->ino); - GF_FREE (req_dictbuf); - goto fail; - } - dict->extra_free = req_dictbuf; - state->dict = dict; - dict = NULL; - } - - gf_resolve_and_resume (frame, server_fxattrop_resume); - - return 0; - -fail: - if (dict) - dict_unref (dict); - - server_fxattrop_cbk (frame, NULL, frame->this, -1, EINVAL, NULL); - return 0; -} - - -static int -server_xattrop_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_xattrop_cbk, - bound_xl, bound_xl->fops->xattrop, - &state->loc, state->flags, state->dict); - return 0; -err: - server_xattrop_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_xattrop (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_xattrop_req_t *req = NULL; - dict_t *dict = NULL; - server_state_t *state = NULL; - size_t dict_len = 0; - char *req_dictbuf = NULL; - int32_t ret = -1; - - req = gf_param (hdr); - state = CALL_STATE(frame); - - dict_len = ntoh32 (req->dict_len); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->path + dict_len); - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->flags = ntoh32 (req->flags); - - if (dict_len) { - /* Unserialize the dictionary */ - req_dictbuf = memdup (req->dict, dict_len); - - dict = dict_new (); - - ret = dict_unserialize (req_dictbuf, dict_len, &dict); - if (ret < 0) { - gf_log (bound_xl->name, GF_LOG_ERROR, - "fd - %"PRId64" (%"PRId64"): failed to unserialize " - "request buffer to dictionary", - state->resolve.fd_no, state->fd->inode->ino); - GF_FREE (req_dictbuf); - goto fail; - } - dict->extra_free = req_dictbuf; - state->dict = dict; - dict = NULL; - } - - gf_resolve_and_resume (frame, server_xattrop_resume); - - return 0; - -fail: - if (dict) - dict_unref (dict); - - server_xattrop_cbk (frame, NULL, frame->this, -1, EINVAL, NULL); - return 0; -} - - -static int -server_getxattr_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_getxattr_cbk, - bound_xl, bound_xl->fops->getxattr, - &state->loc, state->name); - return 0; -err: - server_getxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_getxattr (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_getxattr_req_t *req = NULL; - server_state_t *state = NULL; - size_t namelen = 0; - size_t pathlen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - pathlen = STRLEN_0 (req->path); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->path); - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - - namelen = ntoh32 (req->namelen); - if (namelen) - state->name = gf_strdup (req->name + pathlen); - - gf_resolve_and_resume (frame, server_getxattr_resume); - - return 0; -} - - -static int -server_fgetxattr_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_fgetxattr_cbk, - bound_xl, bound_xl->fops->fgetxattr, - state->fd, state->name); - return 0; -err: - server_fgetxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_fgetxattr (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fgetxattr_req_t *req = NULL; - server_state_t *state = NULL; - size_t namelen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - - namelen = ntoh32 (req->namelen); - if (namelen) - state->name = gf_strdup (req->name); - - gf_resolve_and_resume (frame, server_fgetxattr_resume); - - return 0; -} - - -static int -server_removexattr_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_removexattr_cbk, - bound_xl, bound_xl->fops->removexattr, - &state->loc, state->name); - return 0; -err: - server_removexattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - return 0; -} - - -static int -server_removexattr (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_removexattr_req_t *req = NULL; - server_state_t *state = NULL; - size_t pathlen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - pathlen = STRLEN_0 (req->path); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->path); - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->name = gf_strdup (req->name + pathlen); - - gf_resolve_and_resume (frame, server_removexattr_resume); - - return 0; -} - - -static int -server_statfs_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret !=0) - goto err; - - STACK_WIND (frame, server_statfs_cbk, - bound_xl, bound_xl->fops->statfs, - &state->loc); - return 0; - -err: - server_statfs_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_statfs (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_statfs_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.ino = ntoh64 (req->ino); - if (!state->resolve.ino) - state->resolve.ino = 1; - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - - gf_resolve_and_resume (frame, server_statfs_resume); - - return 0; -} - - -static int -server_opendir_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - state->fd = fd_create (state->loc.inode, frame->root->pid); - - STACK_WIND (frame, server_opendir_cbk, - bound_xl, bound_xl->fops->opendir, - &state->loc, state->fd); - return 0; -err: - server_opendir_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - - -static int -server_opendir (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_opendir_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->path); - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - - gf_resolve_and_resume (frame, server_opendir_resume); - - return 0; -} - - -static int -server_releasedir (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_cbk_releasedir_req_t *req = NULL; - server_connection_t *conn = NULL; - uint64_t fd_no = 0; - - conn = SERVER_CONNECTION (frame); - - req = gf_param (hdr); - - fd_no = ntoh64 (req->fd); - - gf_fd_put (conn->fdtable, fd_no); - - server_releasedir_cbk (frame, NULL, frame->this, 0, 0); - - return 0; -} - -/* - * server_readdirp_cbk - getdents callback for server protocol - * @frame: call frame - * @cookie: - * @this: - * @op_ret: - * @op_errno: - * - * not for external reference - */ -static int -server_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, gf_dirent_t *entries) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_readdirp_rsp_t *rsp = NULL; - size_t hdrlen = 0; - size_t buf_size = 0; - int32_t gf_errno = 0; - server_state_t *state = NULL; - - if (op_ret > 0) - buf_size = gf_dirent_serialize (entries, NULL, 0); - - hdrlen = gf_hdr_len (rsp, buf_size); - hdr = gf_hdr_new (rsp, buf_size); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret > 0) { - rsp->size = hton32 (buf_size); - gf_dirent_serialize (entries, rsp->buf, buf_size); - } else { - state = CALL_STATE(frame); - - gf_log (this->name, GF_LOG_TRACE, - "%"PRId64": READDIRP %"PRId64" (%"PRId64") ==>" - "%"PRId32" (%s)", - frame->root->unique, state->resolve.fd_no, - state->fd ? state->fd->inode->ino : 0, op_ret, - strerror (op_errno)); - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READDIRP, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -static int -server_readdirp_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_readdirp_cbk, bound_xl, - bound_xl->fops->readdirp, state->fd, state->size, - state->offset); - - return 0; -err: - server_readdirp_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} - -/* - * server_readdirp - readdirp function for server protocol - * @frame: call frame - * @bound_xl: - * @params: parameter dictionary - * - * not for external reference - */ -static int -server_readdirp (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, - size_t hdrlen, struct iobuf *iobuf) -{ - gf_fop_readdirp_req_t *req = NULL; - server_state_t *state = NULL; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION(frame); - - req = gf_param (hdr); - state = CALL_STATE(frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->size = ntoh32 (req->size); - state->offset = ntoh64 (req->offset); - - gf_resolve_and_resume (frame, server_readdirp_resume); - - return 0; -} - - -static int - server_readdir_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_readdir_cbk, - bound_xl, - bound_xl->fops->readdir, - state->fd, state->size, state->offset); - - return 0; -err: - server_readdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL); - return 0; -} -/* - * server_readdir - readdir function for server protocol - * @frame: call frame - * @bound_xl: - * @params: parameter dictionary - * - * not for external reference - */ -static int -server_readdir (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_readdir_req_t *req = NULL; - server_state_t *state = NULL; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION(frame); - - req = gf_param (hdr); - state = CALL_STATE(frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->size = ntoh32 (req->size); - state->offset = ntoh64 (req->offset); - - gf_resolve_and_resume (frame, server_readdir_resume); - - return 0; -} - -static int -server_fsyncdir_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_fsyncdir_cbk, - bound_xl, - bound_xl->fops->fsyncdir, - state->fd, state->flags); - return 0; - -err: - server_fsyncdir_cbk (frame, NULL, frame->this, - state->resolve.op_ret, - state->resolve.op_errno); - return 0; -} - -/* - * server_fsyncdir - fsyncdir function for server protocol - * @frame: call frame - * @bound_xl: - * @params: parameter dictionary - * - * not for external reference - */ -static int -server_fsyncdir (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fsyncdir_req_t *req = NULL; - server_state_t *state = NULL; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION (frame); - - req = gf_param (hdr); - state = CALL_STATE(frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.fd_no = ntoh64 (req->fd); - state->flags = ntoh32 (req->data); - - gf_resolve_and_resume (frame, server_fsyncdir_resume); - - return 0; -} - - -static int -server_mknod_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - state->loc.inode = inode_new (state->itable); - - STACK_WIND (frame, server_mknod_cbk, - bound_xl, bound_xl->fops->mknod, - &(state->loc), state->mode, state->dev, - state->params); - - return 0; -err: - server_mknod_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL, NULL, NULL); - return 0; -} - - - -static int -server_mknod (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_mknod_req_t *req = NULL; - server_state_t *state = NULL; - size_t pathlen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - pathlen = STRLEN_0 (req->path); - - state->resolve.type = RESOLVE_NOT; - state->resolve.par = ntoh64 (req->par); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - state->resolve.bname = gf_strdup (req->bname + pathlen); - - state->mode = ntoh32 (req->mode); - state->dev = ntoh64 (req->dev); - - gf_resolve_and_resume (frame, server_mknod_resume); - - return 0; -} - - -static int -server_mkdir_resume (call_frame_t *frame, xlator_t *bound_xl) - -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - state->loc.inode = inode_new (state->itable); - - STACK_WIND (frame, server_mkdir_cbk, - bound_xl, bound_xl->fops->mkdir, - &(state->loc), state->mode, - state->params); - - return 0; -err: - server_mkdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL, NULL, NULL); - return 0; -} - - -static int -server_mkdir (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_mkdir_req_t *req = NULL; - server_state_t *state = NULL; - size_t pathlen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - pathlen = STRLEN_0 (req->path); - - state->resolve.type = RESOLVE_NOT; - state->resolve.par = ntoh64 (req->par); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - state->resolve.bname = gf_strdup (req->bname + pathlen); - - state->mode = ntoh32 (req->mode); - - gf_resolve_and_resume (frame, server_mkdir_resume); - - return 0; -} - - -static int -server_rmdir_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_rmdir_cbk, - bound_xl, bound_xl->fops->rmdir, &state->loc); - return 0; -err: - server_rmdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL); - return 0; -} - -static int -server_rmdir (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_rmdir_req_t *req = NULL; - server_state_t *state = NULL; - int pathlen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - pathlen = STRLEN_0 (req->path); - - state->resolve.type = RESOLVE_MUST; - state->resolve.par = ntoh64 (req->par); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - state->resolve.bname = gf_strdup (req->bname + pathlen); - - gf_resolve_and_resume (frame, server_rmdir_resume); - - return 0; -} - - -static int -server_inodelk_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_inodelk_cbk, - bound_xl, bound_xl->fops->inodelk, - state->volume, &state->loc, state->cmd, &state->flock); - return 0; -err: - server_inodelk_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - return 0; -} - - -static int -server_inodelk (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_inodelk_req_t *req = NULL; - server_state_t *state = NULL; - size_t pathlen = 0; - size_t vollen = 0; - int cmd = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - pathlen = STRLEN_0 (req->path); - vollen = STRLEN_0 (req->volume + pathlen); - - state->resolve.type = RESOLVE_EXACT; - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - - cmd = ntoh32 (req->cmd); - switch (cmd) { - case GF_LK_GETLK: - state->cmd = F_GETLK; - break; - case GF_LK_SETLK: - state->cmd = F_SETLK; - break; - case GF_LK_SETLKW: - state->cmd = F_SETLKW; - break; - } - - state->type = ntoh32 (req->type); - state->volume = gf_strdup (req->volume + pathlen); - - gf_flock_to_flock (&req->flock, &state->flock); - - switch (state->type) { - case GF_LK_F_RDLCK: - state->flock.l_type = F_RDLCK; - break; - case GF_LK_F_WRLCK: - state->flock.l_type = F_WRLCK; - break; - case GF_LK_F_UNLCK: - state->flock.l_type = F_UNLCK; - break; - } - - gf_resolve_and_resume (frame, server_inodelk_resume); - - return 0; -} - -static int -server_finodelk_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_finodelk_cbk, - BOUND_XL(frame), - BOUND_XL(frame)->fops->finodelk, - state->volume, state->fd, state->cmd, &state->flock); - - return 0; -err: - server_finodelk_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - - return 0; -} - -static int -server_finodelk (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_finodelk_req_t *req = NULL; - server_state_t *state = NULL; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION(frame); - - req = gf_param (hdr); - state = CALL_STATE(frame); - - state->resolve.type = RESOLVE_EXACT; - state->volume = gf_strdup (req->volume); - state->resolve.fd_no = ntoh64 (req->fd); - state->cmd = ntoh32 (req->cmd); - - switch (state->cmd) { - case GF_LK_GETLK: - state->cmd = F_GETLK; - break; - case GF_LK_SETLK: - state->cmd = F_SETLK; - break; - case GF_LK_SETLKW: - state->cmd = F_SETLKW; - break; - } - - state->type = ntoh32 (req->type); - - gf_flock_to_flock (&req->flock, &state->flock); - - switch (state->type) { - case GF_LK_F_RDLCK: - state->flock.l_type = F_RDLCK; - break; - case GF_LK_F_WRLCK: - state->flock.l_type = F_WRLCK; - break; - case GF_LK_F_UNLCK: - state->flock.l_type = F_UNLCK; - break; - } - - gf_resolve_and_resume (frame, server_finodelk_resume); - - return 0; -} - - -static int -server_entrylk_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_entrylk_cbk, - bound_xl, bound_xl->fops->entrylk, - state->volume, &state->loc, state->name, - state->cmd, state->type); - return 0; -err: - server_entrylk_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - return 0; -} - - -static int -server_entrylk (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_entrylk_req_t *req = NULL; - server_state_t *state = NULL; - size_t pathlen = 0; - size_t namelen = 0; - size_t vollen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - pathlen = STRLEN_0 (req->path); - namelen = ntoh64 (req->namelen); - vollen = STRLEN_0(req->volume + pathlen + namelen); - - state->resolve.type = RESOLVE_EXACT; - state->resolve.path = gf_strdup (req->path); - state->resolve.ino = ntoh64 (req->ino); - state->resolve.gen = ntoh64 (req->gen); - - if (namelen) - state->name = gf_strdup (req->name + pathlen); - state->volume = gf_strdup (req->volume + pathlen + namelen); - - state->cmd = ntoh32 (req->cmd); - state->type = ntoh32 (req->type); - - gf_resolve_and_resume (frame, server_entrylk_resume); - - return 0; -} - -static int -server_fentrylk_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_fentrylk_cbk, - BOUND_XL(frame), - BOUND_XL(frame)->fops->fentrylk, - state->volume, state->fd, state->name, - state->cmd, state->type); - - return 0; -err: - server_fentrylk_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - return 0; -} - -static int -server_fentrylk (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_fentrylk_req_t *req = NULL; - server_state_t *state = NULL; - size_t namelen = 0; - size_t vollen = 0; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION (frame); - - req = gf_param (hdr); - state = CALL_STATE(frame); - vollen = STRLEN_0(req->volume + namelen); - - state->resolve.type = RESOLVE_EXACT; - state->resolve.fd_no = ntoh64 (req->fd); - state->cmd = ntoh32 (req->cmd); - state->type = ntoh32 (req->type); - namelen = ntoh64 (req->namelen); - if (namelen) - state->name = req->name; - state->volume = gf_strdup (req->volume + namelen); - - - gf_resolve_and_resume (frame, server_fentrylk_resume); - - return 0; -} - - -static int -server_access_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_access_cbk, - bound_xl, bound_xl->fops->access, - &state->loc, state->mask); - return 0; -err: - server_access_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno); - return 0; -} - - -static int -server_access (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_access_req_t *req = NULL; - server_state_t *state = NULL; - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.type = RESOLVE_MUST; - state->resolve.ino = hton64 (req->ino); - state->resolve.gen = hton64 (req->gen); - state->resolve.path = gf_strdup (req->path); - - state->mask = ntoh32 (req->mask); - - gf_resolve_and_resume (frame, server_access_resume); - - return 0; -} - - -static int -server_symlink_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - state->loc.inode = inode_new (state->itable); - - STACK_WIND (frame, server_symlink_cbk, - bound_xl, bound_xl->fops->symlink, - state->name, &state->loc, state->params); - - return 0; -err: - server_symlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, - state->resolve.op_errno, NULL, NULL, NULL, NULL); - return 0; -} - - - -static int -server_symlink (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - server_state_t *state = NULL; - gf_fop_symlink_req_t *req = NULL; - size_t pathlen = 0; - size_t baselen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - pathlen = STRLEN_0 (req->path); - baselen = STRLEN_0 (req->bname + pathlen); - - state->resolve.type = RESOLVE_NOT; - state->resolve.par = ntoh64 (req->par); - state->resolve.gen = ntoh64 (req->gen); - state->resolve.path = gf_strdup (req->path); - state->resolve.bname = gf_strdup (req->bname + pathlen); - state->name = gf_strdup (req->linkname + pathlen + baselen); - - gf_resolve_and_resume (frame, server_symlink_resume); - - return 0; -} - - -static int -server_link_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - int op_ret = 0; - int op_errno = 0; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) { - op_ret = state->resolve.op_ret; - op_errno = state->resolve.op_errno; - goto err; - } - - if (state->resolve2.op_ret != 0) { - op_ret = state->resolve2.op_ret; - op_errno = state->resolve2.op_errno; - goto err; - } - - state->loc2.inode = inode_ref (state->loc.inode); - - STACK_WIND (frame, server_link_cbk, - bound_xl, bound_xl->fops->link, - &state->loc, &state->loc2); - return 0; -err: - server_link_cbk (frame, NULL, frame->this, op_ret, op_errno, - NULL, NULL, NULL, NULL); - return 0; -} - - -static int -server_link (call_frame_t *frame, xlator_t *this, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_link_req_t *req = NULL; - server_state_t *state = NULL; - size_t oldpathlen = 0; - size_t newpathlen = 0; - size_t newbaselen = 0; - - req = gf_param (hdr); - state = CALL_STATE (frame); - oldpathlen = STRLEN_0 (req->oldpath); - newpathlen = STRLEN_0 (req->newpath + oldpathlen); - newbaselen = STRLEN_0 (req->newbname + oldpathlen + newpathlen); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->oldpath); - state->resolve.ino = ntoh64 (req->oldino); - state->resolve.gen = ntoh64 (req->oldgen); - - state->resolve2.type = RESOLVE_NOT; - state->resolve2.path = gf_strdup (req->newpath + oldpathlen); - state->resolve2.bname = gf_strdup (req->newbname + oldpathlen + newpathlen); - state->resolve2.par = ntoh64 (req->newpar); - state->resolve2.gen = ntoh64 (req->newgen); - - gf_resolve_and_resume (frame, server_link_resume); - - return 0; -} - - -static int -server_rename_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - int op_ret = 0; - int op_errno = 0; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) { - op_ret = state->resolve.op_ret; - op_errno = state->resolve.op_errno; - goto err; - } - - if (state->resolve2.op_ret != 0) { - op_ret = state->resolve2.op_ret; - op_errno = state->resolve2.op_errno; - goto err; - } - - STACK_WIND (frame, server_rename_cbk, - bound_xl, bound_xl->fops->rename, - &state->loc, &state->loc2); - return 0; -err: - server_rename_cbk (frame, NULL, frame->this, op_ret, op_errno, - NULL, NULL, NULL, NULL, NULL); - return 0; -} - - -static int -server_rename (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_rename_req_t *req = NULL; - server_state_t *state = NULL; - size_t oldpathlen = 0; - size_t oldbaselen = 0; - size_t newpathlen = 0; - size_t newbaselen = 0; - - req = gf_param (hdr); - - state = CALL_STATE (frame); - oldpathlen = STRLEN_0 (req->oldpath); - oldbaselen = STRLEN_0 (req->oldbname + oldpathlen); - newpathlen = STRLEN_0 (req->newpath + oldpathlen + oldbaselen); - newbaselen = STRLEN_0 (req->newbname + oldpathlen + - oldbaselen + newpathlen); - - state->resolve.type = RESOLVE_MUST; - state->resolve.path = gf_strdup (req->oldpath); - state->resolve.bname = gf_strdup (req->oldbname + oldpathlen); - state->resolve.par = ntoh64 (req->oldpar); - state->resolve.gen = ntoh64 (req->oldgen); - - state->resolve2.type = RESOLVE_MAY; - state->resolve2.path = gf_strdup (req->newpath + oldpathlen + oldbaselen); - state->resolve2.bname = gf_strdup (req->newbname + oldpathlen + oldbaselen + - newpathlen); - state->resolve2.par = ntoh64 (req->newpar); - state->resolve2.gen = ntoh64 (req->newgen); - - gf_resolve_and_resume (frame, server_rename_resume); - - return 0; -} - -static int -server_lk_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) - goto err; - - STACK_WIND (frame, server_lk_cbk, - BOUND_XL(frame), - BOUND_XL(frame)->fops->lk, - state->fd, state->cmd, &state->flock); - - return 0; - -err: - server_lk_cbk (frame, NULL, frame->this, - state->resolve.op_ret, - state->resolve.op_errno, - NULL); - return 0; -} - -/* - * server_lk - lk function for server protocol - * @frame: call frame - * @bound_xl: - * @params: parameter dictionary - * - * not for external reference - */ - -static int -server_lk (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_lk_req_t *req = NULL; - server_state_t *state = NULL; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION (frame); - - req = gf_param (hdr); - state = CALL_STATE (frame); - - state->resolve.fd_no = ntoh64 (req->fd); - state->cmd = ntoh32 (req->cmd); - state->type = ntoh32 (req->type); - - switch (state->cmd) { - case GF_LK_GETLK: - state->cmd = F_GETLK; - break; - case GF_LK_SETLK: - state->cmd = F_SETLK; - break; - case GF_LK_SETLKW: - state->cmd = F_SETLKW; - break; - } - - gf_flock_to_flock (&req->flock, &state->flock); - - switch (state->type) { - case GF_LK_F_RDLCK: - state->flock.l_type = F_RDLCK; - break; - case GF_LK_F_WRLCK: - state->flock.l_type = F_WRLCK; - break; - case GF_LK_F_UNLCK: - state->flock.l_type = F_UNLCK; - break; - default: - gf_log (bound_xl->name, GF_LOG_ERROR, - "fd - %"PRId64" (%"PRId64"): Unknown lock type: %"PRId32"!", - state->resolve.fd_no, state->fd->inode->ino, state->type); - break; - } - - - gf_resolve_and_resume (frame, server_lk_resume); - - return 0; -} - -/* xxx_MOPS */ -static int -_volfile_update_checksum (xlator_t *this, char *key, uint32_t checksum) -{ - server_conf_t *conf = NULL; - struct _volfile_ctx *temp_volfile = NULL; - - conf = this->private; - temp_volfile = conf->volfile; - - while (temp_volfile) { - if ((NULL == key) && (NULL == temp_volfile->key)) - break; - if ((NULL == key) || (NULL == temp_volfile->key)) { - temp_volfile = temp_volfile->next; - continue; - } - if (strcmp (temp_volfile->key, key) == 0) - break; - temp_volfile = temp_volfile->next; - } - - if (!temp_volfile) { - temp_volfile = GF_CALLOC (1, sizeof (struct _volfile_ctx), - gf_server_mt_volfile_ctx); - if (!temp_volfile) - goto out; - temp_volfile->next = conf->volfile; - temp_volfile->key = (key)? gf_strdup (key): NULL; - temp_volfile->checksum = checksum; - - conf->volfile = temp_volfile; - goto out; - } - - if (temp_volfile->checksum != checksum) { - gf_log (this->name, GF_LOG_CRITICAL, - "the volume file got modified between earlier access " - "and now, this may lead to inconsistency between " - "clients, advised to remount client"); - temp_volfile->checksum = checksum; - } - - out: - return 0; -} - - -size_t -build_volfile_path (xlator_t *this, const char *key, char *path, - size_t path_len) -{ - int ret = -1; - int free_filename = 0; - int free_conf_dir = 0; - char *filename = NULL; - char *conf_dir = CONFDIR; - struct stat buf = {0,}; - data_t * conf_dir_data = NULL; - char data_key[256] = {0,}; - - /* Inform users that this option is changed now */ - ret = dict_get_str (this->options, "client-volume-filename", - &filename); - if (ret == 0) { - gf_log (this->name, GF_LOG_WARNING, - "option 'client-volume-filename' is changed to " - "'volume-filename.<key>' which now takes 'key' as an " - "option to choose/fetch different files from server. " - "Refer documentation or contact developers for more " - "info. Currently defaulting to given file '%s'", - filename); - } - - if (key && !filename) { - sprintf (data_key, "volume-filename.%s", key); - ret = dict_get_str (this->options, data_key, &filename); - - if (ret < 0) { - - conf_dir_data = dict_get (this->options, "conf-dir"); - if (conf_dir_data) { - /* Check whether the specified directory exists, - or directory specified is non standard */ - ret = stat (conf_dir_data->data, &buf); - if ((ret != 0) || !S_ISDIR (buf.st_mode)) { - gf_log (this->name, GF_LOG_ERROR, - "Directory '%s' doesn't" - "exist, exiting.", - conf_dir_data->data); - ret = -1; - goto out; - } - /* Make sure that conf-dir doesn't - * contain ".." in path - */ - if ((gf_strstr (conf_dir_data->data, - "/", "..")) == -1) { - ret = -1; - gf_log (this->name, GF_LOG_ERROR, - "%s: invalid conf_dir", - conf_dir_data->data); - goto out; - } - - /* Make sure that key doesn't - * contain "../" in path - */ - - if ((gf_strstr (key, "/", "..")) == -1) { - ret = -1; - gf_log (this->name, GF_LOG_ERROR, - "%s: invalid key", key); - goto out; - } - - conf_dir = gf_strdup (conf_dir_data->data); - free_conf_dir = 1; - } - - ret = gf_asprintf (&filename, "%s/%s.vol", - conf_dir, key); - if (-1 == ret) - goto out; - - free_filename = 1; - } - } - - if (!filename) { - ret = dict_get_str (this->options, - "volume-filename.default", &filename); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "no default volume filename given, " - "defaulting to %s", DEFAULT_VOLUME_FILE_PATH); - filename = DEFAULT_VOLUME_FILE_PATH; - } - } - - ret = -1; - - if ((filename) && (path_len > strlen (filename))) { - strcpy (path, filename); - ret = strlen (filename); - } - -out: - if (free_conf_dir) - GF_FREE (conf_dir); - - if (free_filename) - GF_FREE (filename); - - return ret; -} - -static int -_validate_volfile_checksum (xlator_t *this, char *key, - uint32_t checksum) -{ - char filename[PATH_MAX] = {0,}; - server_conf_t *conf = NULL; - struct _volfile_ctx *temp_volfile = NULL; - int ret = 0; - uint32_t local_checksum = 0; - - conf = this->private; - temp_volfile = conf->volfile; - - if (!checksum) - goto out; - - if (!temp_volfile) { - ret = build_volfile_path (this, key, filename, - sizeof (filename)); - if (ret <= 0) - goto out; - ret = open (filename, O_RDONLY); - if (-1 == ret) { - ret = 0; - gf_log (this->name, GF_LOG_DEBUG, - "failed to open volume file (%s) : %s", - filename, strerror (errno)); - goto out; - } - get_checksum_for_file (ret, &local_checksum); - _volfile_update_checksum (this, key, local_checksum); - close (ret); - } - - temp_volfile = conf->volfile; - while (temp_volfile) { - if ((NULL == key) && (NULL == temp_volfile->key)) - break; - if ((NULL == key) || (NULL == temp_volfile->key)) { - temp_volfile = temp_volfile->next; - continue; - } - if (strcmp (temp_volfile->key, key) == 0) - break; - temp_volfile = temp_volfile->next; - } - - if (!temp_volfile) - goto out; - - if ((temp_volfile->checksum) && - (checksum != temp_volfile->checksum)) - ret = -1; - -out: - return ret; -} - -/* Management Calls */ -/* - * mop_getspec - getspec function for server protocol - * @frame: call frame - * @bound_xl: - * @params: - * - */ -static int -mop_getspec (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *_hdr = NULL; - gf_mop_getspec_rsp_t *rsp = NULL; - int32_t ret = -1; - int32_t op_errno = ENOENT; - int32_t gf_errno = 0; - int32_t spec_fd = -1; - size_t file_len = 0; - size_t _hdrlen = 0; - char filename[PATH_MAX] = {0,}; - struct stat stbuf = {0,}; - gf_mop_getspec_req_t *req = NULL; - uint32_t checksum = 0; - uint32_t flags = 0; - uint32_t keylen = 0; - char *key = NULL; - server_conf_t *conf = NULL; - - req = gf_param (hdr); - flags = ntoh32 (req->flags); - keylen = ntoh32 (req->keylen); - if (keylen) { - key = req->key; - } - - conf = frame->this->private; - - ret = build_volfile_path (frame->this, key, filename, - sizeof (filename)); - if (ret > 0) { - /* to allocate the proper buffer to hold the file data */ - ret = stat (filename, &stbuf); - if (ret < 0){ - gf_log (frame->this->name, GF_LOG_ERROR, - "Unable to stat %s (%s)", - filename, strerror (errno)); - goto fail; - } - - spec_fd = open (filename, O_RDONLY); - if (spec_fd < 0) { - gf_log (frame->this->name, GF_LOG_ERROR, - "Unable to open %s (%s)", - filename, strerror (errno)); - goto fail; - } - ret = 0; - file_len = stbuf.st_size; - if (conf->verify_volfile_checksum) { - get_checksum_for_file (spec_fd, &checksum); - _volfile_update_checksum (frame->this, key, checksum); - } - } else { - errno = ENOENT; - } - -fail: - op_errno = errno; - - _hdrlen = gf_hdr_len (rsp, file_len + 1); - _hdr = gf_hdr_new (rsp, file_len + 1); - rsp = gf_param (_hdr); - - _hdr->rsp.op_ret = hton32 (ret); - gf_errno = gf_errno_to_error (op_errno); - _hdr->rsp.op_errno = hton32 (gf_errno); - - if (file_len) { - ret = read (spec_fd, rsp->spec, file_len); - close (spec_fd); - } - protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_GETSPEC, - _hdr, _hdrlen, NULL, 0, NULL); - - return 0; -} - - - -static int -server_checksum (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ - size_t rsp_hdrlen = 0; - int32_t gf_errno = 0; - - rsp_hdrlen = gf_hdr_len (rsp, 0); - rsp_hdr = gf_hdr_new (rsp, 0); - - gf_errno = gf_errno_to_error (ENOSYS); - hdr->rsp.op_errno = hton32 (gf_errno); - hdr->rsp.op_ret = -1; - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_CHECKSUM, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -server_rchecksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - uint32_t weak_checksum, uint8_t *strong_checksum) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_rchecksum_rsp_t *rsp = NULL; - size_t hdrlen = 0; - int32_t gf_errno = 0; - - hdrlen = gf_hdr_len (rsp, MD5_DIGEST_LEN + 1); - hdr = gf_hdr_new (rsp, MD5_DIGEST_LEN + 1); - rsp = gf_param (hdr); - - hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - hdr->rsp.op_errno = hton32 (gf_errno); - - if (op_ret >= 0) { - rsp->weak_checksum = weak_checksum; - - memcpy (rsp->strong_checksum, - strong_checksum, MD5_DIGEST_LEN); - - rsp->strong_checksum[MD5_DIGEST_LEN] = '\0'; - } - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_RCHECKSUM, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -} - -static int -server_rchecksum_resume (call_frame_t *frame, xlator_t *bound_xl) -{ - server_state_t *state = NULL; - int op_ret = 0; - int op_errno = 0; - - state = CALL_STATE (frame); - - if (state->resolve.op_ret != 0) { - op_ret = state->resolve.op_ret; - op_errno = state->resolve.op_errno; - goto err; - } - - STACK_WIND (frame, server_rchecksum_cbk, - bound_xl, - bound_xl->fops->rchecksum, - state->fd, state->offset, state->size); - - return 0; -err: - server_rchecksum_cbk (frame, NULL, frame->this, -1, EINVAL, 0, NULL); - - return 0; - -} - -static int -server_rchecksum (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_fop_rchecksum_req_t *req = NULL; - server_state_t *state = NULL; - server_connection_t *conn = NULL; - - conn = SERVER_CONNECTION(frame); - - req = gf_param (hdr); - - state = CALL_STATE(frame); - - state->resolve.type = RESOLVE_MAY; - state->resolve.fd_no = ntoh64 (req->fd); - state->offset = ntoh64 (req->offset); - state->size = ntoh32 (req->len); - - gf_resolve_and_resume (frame, server_rchecksum_resume); - - return 0; -} - - -/* - * mop_unlock - unlock management function for server protocol - * @frame: call frame - * @bound_xl: - * @params: parameter dictionary - * - */ -static int -mop_getvolume (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - return 0; -} - -struct __get_xl_struct { - const char *name; - xlator_t *reply; -}; - -static void __check_and_set (xlator_t *each, void *data) -{ - if (!strcmp (each->name, - ((struct __get_xl_struct *) data)->name)) - ((struct __get_xl_struct *) data)->reply = each; -} - -static xlator_t * -get_xlator_by_name (xlator_t *some_xl, const char *name) -{ - struct __get_xl_struct get = { - .name = name, - .reply = NULL - }; - - xlator_foreach (some_xl, __check_and_set, &get); - - return get.reply; -} - - -/* - * mop_setvolume - setvolume management function for server protocol - * @frame: call frame - * @bound_xl: - * @params: parameter dictionary - * - */ -static int -mop_setvolume (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *req_hdr, size_t req_hdrlen, - struct iobuf *iobuf) -{ - server_connection_t *conn = NULL; - server_conf_t *conf = NULL; - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_setvolume_req_t *req = NULL; - gf_mop_setvolume_rsp_t *rsp = NULL; - peer_info_t *peerinfo = NULL; - int32_t ret = -1; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - int32_t gf_errno = 0; - dict_t *reply = NULL; - dict_t *config_params = NULL; - dict_t *params = NULL; - char *name = NULL; - char *version = NULL; - char *process_uuid = NULL; - xlator_t *xl = NULL; - transport_t *trans = NULL; - size_t rsp_hdrlen = -1; - size_t dict_len = -1; - size_t req_dictlen = -1; - char *msg = NULL; - char *volfile_key = NULL; - uint32_t checksum = 0; - int32_t lru_limit = 1024; - - params = dict_new (); - reply = dict_new (); - - req = gf_param (req_hdr); - req_dictlen = ntoh32 (req->dict_len); - ret = dict_unserialize (req->buf, req_dictlen, ¶ms); - - config_params = dict_copy_with_ref (frame->this->options, NULL); - trans = TRANSPORT_FROM_FRAME(frame); - conf = SERVER_CONF(frame); - - if (ret < 0) { - ret = dict_set_str (reply, "ERROR", - "Internal error: failed to unserialize " - "request dictionary"); - if (ret < 0) - gf_log (bound_xl->name, GF_LOG_DEBUG, - "failed to set error msg \"%s\"", - "Internal error: failed to unserialize " - "request dictionary"); - - op_ret = -1; - op_errno = EINVAL; - goto fail; - } - - ret = dict_get_str (params, "process-uuid", &process_uuid); - if (ret < 0) { - ret = dict_set_str (reply, "ERROR", - "UUID not specified"); - if (ret < 0) - gf_log (bound_xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - op_ret = -1; - op_errno = EINVAL; - goto fail; - } - - - conn = gf_server_connection_get (frame->this, process_uuid); - if (trans->xl_private != conn) - trans->xl_private = conn; - - ret = dict_get_str (params, "protocol-version", &version); - if (ret < 0) { - ret = dict_set_str (reply, "ERROR", - "No version number specified"); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - op_ret = -1; - op_errno = EINVAL; - goto fail; - } - - ret = strcmp (version, GF_PROTOCOL_VERSION); - if (ret != 0) { - ret = gf_asprintf (&msg, "protocol version mismatch: client(%s) " - "- server(%s)", version, GF_PROTOCOL_VERSION); - if (-1 == ret) { - gf_log (trans->xl->name, GF_LOG_ERROR, - "gf_asprintf failed while setting up error msg"); - goto fail; - } - ret = dict_set_dynstr (reply, "ERROR", msg); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - op_ret = -1; - op_errno = EINVAL; - goto fail; - } - - ret = dict_get_str (params, - "remote-subvolume", &name); - if (ret < 0) { - ret = dict_set_str (reply, "ERROR", - "No remote-subvolume option specified"); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - op_ret = -1; - op_errno = EINVAL; - goto fail; - } - - xl = get_xlator_by_name (frame->this, name); - if (xl == NULL) { - ret = gf_asprintf (&msg, "remote-subvolume \"%s\" is not found", - name); - if (-1 == ret) { - gf_log (trans->xl->name, GF_LOG_ERROR, - "gf_asprintf failed while setting error msg"); - goto fail; - } - ret = dict_set_dynstr (reply, "ERROR", msg); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - op_ret = -1; - op_errno = ENOENT; - goto fail; - } - - if (conf->verify_volfile_checksum) { - ret = dict_get_uint32 (params, "volfile-checksum", &checksum); - if (ret == 0) { - ret = dict_get_str (params, "volfile-key", - &volfile_key); - - ret = _validate_volfile_checksum (trans->xl, - volfile_key, - checksum); - if (-1 == ret) { - ret = dict_set_str (reply, "ERROR", - "volume-file checksum " - "varies from earlier " - "access"); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - op_ret = -1; - op_errno = ESTALE; - goto fail; - } - } - } - - - peerinfo = &trans->peerinfo; - ret = dict_set_static_ptr (params, "peer-info", peerinfo); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set peer-info"); - ret = dict_set_str (params, "peer-info-name", peerinfo->identifier); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set peer-info-name"); - - if (conf->auth_modules == NULL) { - gf_log (trans->xl->name, GF_LOG_ERROR, - "Authentication module not initialized"); - } - - ret = gf_authenticate (params, config_params, - conf->auth_modules); - if (ret == AUTH_ACCEPT) { - gf_log (trans->xl->name, GF_LOG_INFO, - "accepted client from %s", - peerinfo->identifier); - op_ret = 0; - conn->bound_xl = xl; - ret = dict_set_str (reply, "ERROR", "Success"); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - } else { - gf_log (trans->xl->name, GF_LOG_ERROR, - "Cannot authenticate client from %s", - peerinfo->identifier); - op_ret = -1; - op_errno = EACCES; - ret = dict_set_str (reply, "ERROR", "Authentication failed"); - if (ret < 0) - gf_log (bound_xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - goto fail; - } - - if (conn->bound_xl == NULL) { - ret = dict_set_str (reply, "ERROR", - "Check volfile and handshake " - "options in protocol/client"); - if (ret < 0) - gf_log (trans->xl->name, GF_LOG_DEBUG, - "failed to set error msg"); - - op_ret = -1; - op_errno = EACCES; - goto fail; - } - - if ((conn->bound_xl != NULL) && - (ret >= 0) && - (conn->bound_xl->itable == NULL)) { - /* create inode table for this bound_xl, if one doesn't - already exist */ - lru_limit = INODE_LRU_LIMIT (frame->this); - - gf_log (trans->xl->name, GF_LOG_TRACE, - "creating inode table with lru_limit=%"PRId32", " - "xlator=%s", lru_limit, conn->bound_xl->name); - - conn->bound_xl->itable = - inode_table_new (lru_limit, - conn->bound_xl); - } - - ret = dict_set_str (reply, "process-uuid", - xl->ctx->process_uuid); - - ret = dict_set_uint64 (reply, "transport-ptr", - ((uint64_t) (long) trans)); - -fail: - dict_len = dict_serialized_length (reply); - if (dict_len < 0) { - gf_log ("server", GF_LOG_DEBUG, - "failed to get serialized length of reply dict"); - op_ret = -1; - op_errno = EINVAL; - dict_len = 0; - } - - rsp_hdr = gf_hdr_new (rsp, dict_len); - rsp_hdrlen = gf_hdr_len (rsp, dict_len); - rsp = gf_param (rsp_hdr); - - if (dict_len) { - ret = dict_serialize (reply, rsp->buf); - if (ret < 0) { - gf_log ("server", GF_LOG_DEBUG, - "failed to serialize reply dict"); - op_ret = -1; - op_errno = -ret; - } - } - rsp->dict_len = hton32 (dict_len); - - rsp_hdr->rsp.op_ret = hton32 (op_ret); - gf_errno = gf_errno_to_error (op_errno); - rsp_hdr->rsp.op_errno = hton32 (gf_errno); - - protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_SETVOLUME, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - dict_unref (params); - dict_unref (reply); - dict_unref (config_params); - - return 0; -} - - -static int -mop_ping (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_ping_rsp_t *rsp = NULL; - size_t rsp_hdrlen = 0; - - rsp_hdrlen = gf_hdr_len (rsp, 0); - rsp_hdr = gf_hdr_new (rsp, 0); - - hdr->rsp.op_ret = 0; - - protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_PING, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -mop_log (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_mop_log_req_t * req = NULL; - char * msg = NULL; - uint32_t msglen = 0; - - transport_t * trans = NULL; - - trans = TRANSPORT_FROM_FRAME (frame); - - req = gf_param (hdr); - msglen = ntoh32 (req->msglen); - - if (msglen) - msg = req->msg; - - gf_log_from_client (msg, trans->peerinfo.identifier); - - return 0; -} - - -/* ENOSYS operations (for backword compatibility) */ -static int -server_setdents (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ - size_t rsp_hdrlen = 0; - int32_t gf_errno = 0; - - rsp_hdrlen = gf_hdr_len (rsp, 0); - rsp_hdr = gf_hdr_new (rsp, 0); - - gf_errno = gf_errno_to_error (ENOSYS); - hdr->rsp.op_errno = hton32 (gf_errno); - hdr->rsp.op_ret = -1; - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SETDENTS, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - return 0; -} - -/* */ -static int -server_getdents (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ - size_t rsp_hdrlen = 0; - int32_t gf_errno = 0; - - rsp_hdrlen = gf_hdr_len (rsp, 0); - rsp_hdr = gf_hdr_new (rsp, 0); - - gf_errno = gf_errno_to_error (ENOSYS); - hdr->rsp.op_errno = hton32 (gf_errno); - hdr->rsp.op_ret = -1; - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_GETDENTS, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - return 0; -} - -/* */ -static int -server_lock_notify (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ - size_t rsp_hdrlen = 0; - int32_t gf_errno = 0; - - rsp_hdrlen = gf_hdr_len (rsp, 0); - rsp_hdr = gf_hdr_new (rsp, 0); - - gf_errno = gf_errno_to_error (ENOSYS); - hdr->rsp.op_errno = hton32 (gf_errno); - hdr->rsp.op_ret = -1; - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LOCK_NOTIFY, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - return 0; -} - -/* */ -static int -server_lock_fnotify (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ - size_t rsp_hdrlen = 0; - int32_t gf_errno = 0; - - rsp_hdrlen = gf_hdr_len (rsp, 0); - rsp_hdr = gf_hdr_new (rsp, 0); - - gf_errno = gf_errno_to_error (ENOSYS); - hdr->rsp.op_errno = hton32 (gf_errno); - hdr->rsp.op_ret = -1; - - protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LOCK_FNOTIFY, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - return 0; -} - - -static int -mop_stats (call_frame_t *frame, xlator_t *bound_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf) -{ - gf_hdr_common_t *rsp_hdr = NULL; - gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ - size_t rsp_hdrlen = 0; - int32_t gf_errno = 0; - - rsp_hdrlen = gf_hdr_len (rsp, 0); - rsp_hdr = gf_hdr_new (rsp, 0); - - gf_errno = gf_errno_to_error (ENOSYS); - hdr->rsp.op_errno = hton32 (gf_errno); - hdr->rsp.op_ret = -1; - - protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_STATS, - rsp_hdr, rsp_hdrlen, NULL, 0, NULL); - - return 0; -} - - -/* - * get_frame_for_transport - get call frame for specified transport object - * - * @trans: transport object - * - */ -static call_frame_t * -get_frame_for_transport (transport_t *trans) -{ - call_frame_t *frame = NULL; - call_pool_t *pool = NULL; - server_connection_t *conn = NULL; - server_state_t *state = NULL;; - - GF_VALIDATE_OR_GOTO("server", trans, out); - - if (trans->xl && trans->xl->ctx) - pool = trans->xl->ctx->pool; - GF_VALIDATE_OR_GOTO("server", pool, out); - - frame = create_frame (trans->xl, pool); - GF_VALIDATE_OR_GOTO("server", frame, out); - - state = GF_CALLOC (1, sizeof (*state), - gf_server_mt_server_state_t); - GF_VALIDATE_OR_GOTO("server", state, out); - - conn = trans->xl_private; - if (conn) { - if (conn->bound_xl) - state->itable = conn->bound_xl->itable; - state->bound_xl = conn->bound_xl; - } - - state->trans = transport_ref (trans); - state->resolve.fd_no = -1; - state->resolve2.fd_no = -1; - - frame->root->trans = conn; - frame->root->state = state; /* which socket */ - frame->root->unique = 0; /* which call */ - -out: - return frame; -} - - -static int -server_decode_groups (call_frame_t *frame, gf_hdr_common_t *hdr) -{ - int i = 0; - - if ((!frame) || (!hdr)) - return 0; - - frame->root->ngrps = ntoh32 (hdr->req.ngrps); - if (frame->root->ngrps == 0) - return 0; - - if (frame->root->ngrps > GF_REQUEST_MAXGROUPS) - return -1; - - for (; i < frame->root->ngrps; ++i) - frame->root->groups[i] = ntoh32 (hdr->req.groups[i]); - - return 0; -} - - -/* - * get_frame_for_call - create a frame into the capable of - * generating and replying the reply packet by itself. - * By making a call with this frame, the last UNWIND - * function will have all needed state from its - * frame_t->root to send reply. - * @trans: - * @blk: - * @params: - * - * not for external reference - */ -static call_frame_t * -get_frame_for_call (transport_t *trans, gf_hdr_common_t *hdr) -{ - call_frame_t *frame = NULL; - int32_t ret = -1; - - frame = get_frame_for_transport (trans); - - frame->root->op = ntoh32 (hdr->op); - frame->root->type = ntoh32 (hdr->type); - - frame->root->uid = ntoh32 (hdr->req.uid); - frame->root->unique = ntoh64 (hdr->callid); /* which call */ - frame->root->gid = ntoh32 (hdr->req.gid); - frame->root->pid = ntoh32 (hdr->req.pid); - frame->root->lk_owner = ntoh64 (hdr->req.lk_owner); - ret = server_decode_groups (frame, hdr); - - if (ret) { - //FRAME_DESTROY (frame); - return NULL; - } - - return frame; -} - -/* - * prototype of operations function for each of mop and - * fop at server protocol level - * - * @frame: call frame pointer - * @bound_xl: the xlator that this frame is bound to - * @params: parameters dictionary - * - * to be used by protocol interpret, _not_ for exterenal reference - */ -typedef int32_t (*gf_op_t) (call_frame_t *frame, xlator_t *bould_xl, - gf_hdr_common_t *hdr, size_t hdrlen, - struct iobuf *iobuf); - - -static gf_op_t gf_fops[] = { - [GF_PROTO_FOP_STAT] = server_stat, - [GF_PROTO_FOP_READLINK] = server_readlink, - [GF_PROTO_FOP_MKNOD] = server_mknod, - [GF_PROTO_FOP_MKDIR] = server_mkdir, - [GF_PROTO_FOP_UNLINK] = server_unlink, - [GF_PROTO_FOP_RMDIR] = server_rmdir, - [GF_PROTO_FOP_SYMLINK] = server_symlink, - [GF_PROTO_FOP_RENAME] = server_rename, - [GF_PROTO_FOP_LINK] = server_link, - [GF_PROTO_FOP_TRUNCATE] = server_truncate, - [GF_PROTO_FOP_OPEN] = server_open, - [GF_PROTO_FOP_READ] = server_readv, - [GF_PROTO_FOP_WRITE] = server_writev, - [GF_PROTO_FOP_STATFS] = server_statfs, - [GF_PROTO_FOP_FLUSH] = server_flush, - [GF_PROTO_FOP_FSYNC] = server_fsync, - [GF_PROTO_FOP_SETXATTR] = server_setxattr, - [GF_PROTO_FOP_GETXATTR] = server_getxattr, - [GF_PROTO_FOP_FGETXATTR] = server_fgetxattr, - [GF_PROTO_FOP_FSETXATTR] = server_fsetxattr, - [GF_PROTO_FOP_REMOVEXATTR] = server_removexattr, - [GF_PROTO_FOP_OPENDIR] = server_opendir, - [GF_PROTO_FOP_FSYNCDIR] = server_fsyncdir, - [GF_PROTO_FOP_ACCESS] = server_access, - [GF_PROTO_FOP_CREATE] = server_create, - [GF_PROTO_FOP_FTRUNCATE] = server_ftruncate, - [GF_PROTO_FOP_FSTAT] = server_fstat, - [GF_PROTO_FOP_LK] = server_lk, - [GF_PROTO_FOP_LOOKUP] = server_lookup, - [GF_PROTO_FOP_READDIR] = server_readdir, - [GF_PROTO_FOP_READDIRP] = server_readdirp, - [GF_PROTO_FOP_INODELK] = server_inodelk, - [GF_PROTO_FOP_FINODELK] = server_finodelk, - [GF_PROTO_FOP_ENTRYLK] = server_entrylk, - [GF_PROTO_FOP_FENTRYLK] = server_fentrylk, - [GF_PROTO_FOP_CHECKSUM] = server_checksum, - [GF_PROTO_FOP_RCHECKSUM] = server_rchecksum, - [GF_PROTO_FOP_XATTROP] = server_xattrop, - [GF_PROTO_FOP_FXATTROP] = server_fxattrop, - [GF_PROTO_FOP_SETATTR] = server_setattr, - [GF_PROTO_FOP_FSETATTR] = server_fsetattr, - [GF_PROTO_FOP_SETDENTS] = server_setdents, - [GF_PROTO_FOP_GETDENTS] = server_getdents, - [GF_PROTO_FOP_LOCK_NOTIFY] = server_lock_notify, - [GF_PROTO_FOP_LOCK_FNOTIFY] = server_lock_fnotify, -}; - - - -static gf_op_t gf_mops[] = { - [GF_MOP_SETVOLUME] = mop_setvolume, - [GF_MOP_GETVOLUME] = mop_getvolume, - [GF_MOP_GETSPEC] = mop_getspec, - [GF_MOP_PING] = mop_ping, - [GF_MOP_LOG] = mop_log, - [GF_MOP_STATS] = mop_stats, -}; - -static gf_op_t gf_cbks[] = { - [GF_CBK_FORGET] = server_forget, - [GF_CBK_RELEASE] = server_release, - [GF_CBK_RELEASEDIR] = server_releasedir -}; - -static int -protocol_server_interpret (xlator_t *this, transport_t *trans, - char *hdr_p, size_t hdrlen, struct iobuf *iobuf) -{ - server_connection_t *conn = NULL; - gf_hdr_common_t *hdr = NULL; - xlator_t *bound_xl = NULL; - call_frame_t *frame = NULL; - peer_info_t *peerinfo = NULL; - int32_t type = -1; - int32_t op = -1; - int32_t ret = -1; - - hdr = (gf_hdr_common_t *)hdr_p; - type = ntoh32 (hdr->type); - op = ntoh32 (hdr->op); - - conn = trans->xl_private; - if (conn) - bound_xl = conn->bound_xl; - - peerinfo = &trans->peerinfo; - switch (type) { - case GF_OP_TYPE_FOP_REQUEST: - if ((op < 0) || (op >= GF_PROTO_FOP_MAXVALUE)) { - gf_log (this->name, GF_LOG_ERROR, - "invalid fop %"PRId32" from client %s", - op, peerinfo->identifier); - break; - } - if (bound_xl == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "Received fop %"PRId32" before " - "authentication.", op); - break; - } - frame = get_frame_for_call (trans, hdr); - if (!frame) { - ret = -1; - goto out; - } - frame->op = op; - ret = gf_fops[op] (frame, bound_xl, hdr, hdrlen, iobuf); - break; - - case GF_OP_TYPE_MOP_REQUEST: - if ((op < 0) || (op >= GF_MOP_MAXVALUE)) { - gf_log (this->name, GF_LOG_ERROR, - "invalid mop %"PRId32" from client %s", - op, peerinfo->identifier); - break; - } - frame = get_frame_for_call (trans, hdr); - if (!frame) { - ret = -1; - goto out; - } - frame->op = op; - ret = gf_mops[op] (frame, bound_xl, hdr, hdrlen, iobuf); - break; - - case GF_OP_TYPE_CBK_REQUEST: - if ((op < 0) || (op >= GF_CBK_MAXVALUE)) { - gf_log (this->name, GF_LOG_ERROR, - "invalid cbk %"PRId32" from client %s", - op, peerinfo->identifier); - break; - } - if (bound_xl == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "Received cbk %d before authentication.", op); - break; - } - - frame = get_frame_for_call (trans, hdr); - if (!frame) { - ret = -1; - goto out; - } - ret = gf_cbks[op] (frame, bound_xl, hdr, hdrlen, iobuf); - break; - - default: - break; - } -out: - return ret; -} - - -/* - * server_fd - fdtable dump function for server protocol - * @this: - * - */ -static int -server_fd (xlator_t *this) -{ - server_conf_t *conf = NULL; - server_connection_t *trav = NULL; - char key[GF_DUMP_MAX_BUF_LEN]; - int i = 1; - int ret = -1; - - if (!this) - return -1; - - conf = this->private; - if (!conf) { - gf_log (this->name, GF_LOG_WARNING, - "conf null in xlator"); - return -1; - } - - gf_proc_dump_add_section("xlator.protocol.server.conn"); - - ret = pthread_mutex_trylock (&conf->mutex); - if (ret) { - gf_log("", GF_LOG_WARNING, "Unable to dump fdtable" - " errno: %d", errno); - return -1; - } - - list_for_each_entry (trav, &conf->conns, list) { - if (trav->id) { - gf_proc_dump_build_key(key, - "xlator.protocol.server.conn", - "%d.id", i); - gf_proc_dump_write(key, "%s", trav->id); - } - - gf_proc_dump_build_key(key,"xlator.protocol.server.conn", - "%d.ref",i) - gf_proc_dump_write(key, "%d", trav->ref); - if (trav->bound_xl) { - gf_proc_dump_build_key(key, - "xlator.protocol.server.conn", - "%d.bound_xl", i); - gf_proc_dump_write(key, "%s", trav->bound_xl->name); - } - - gf_proc_dump_build_key(key, - "xlator.protocol.server.conn", - "%d.id", i); - fdtable_dump(trav->fdtable,key); - i++; - } - pthread_mutex_unlock (&conf->mutex); - - - return 0; - } - -static int -server_priv (xlator_t *this) -{ - return 0; -} - -static int -server_inode (xlator_t *this) -{ - server_conf_t *conf = NULL; - server_connection_t *trav = NULL; - char key[GF_DUMP_MAX_BUF_LEN]; - int i = 1; - int ret = -1; - - if (!this) - return -1; - - conf = this->private; - if (!conf) { - gf_log (this->name, GF_LOG_WARNING, - "conf null in xlator"); - return -1; - } - - ret = pthread_mutex_trylock (&conf->mutex); - if (ret) { - gf_log("", GF_LOG_WARNING, "Unable to dump itable" - " errno: %d", errno); - return -1; - } - - list_for_each_entry (trav, &conf->conns, list) { - if (trav->bound_xl && trav->bound_xl->itable) { - gf_proc_dump_build_key(key, - "xlator.protocol.server.conn", - "%d.bound_xl.%s", - i, trav->bound_xl->name); - inode_table_dump(trav->bound_xl->itable,key); - i++; - } - } - pthread_mutex_unlock (&conf->mutex); - - - return 0; -} - - -static void -get_auth_types (dict_t *this, char *key, data_t *value, void *data) -{ - dict_t *auth_dict = NULL; - char *saveptr = NULL; - char *tmp = NULL; - char *key_cpy = NULL; - int32_t ret = -1; - - auth_dict = data; - key_cpy = gf_strdup (key); - GF_VALIDATE_OR_GOTO("server", key_cpy, out); - - tmp = strtok_r (key_cpy, ".", &saveptr); - ret = strcmp (tmp, "auth"); - if (ret == 0) { - tmp = strtok_r (NULL, ".", &saveptr); - if (strcmp (tmp, "ip") == 0) { - /* TODO: backward compatibility, remove when - newer versions are available */ - tmp = "addr"; - gf_log ("server", GF_LOG_WARNING, - "assuming 'auth.ip' to be 'auth.addr'"); - } - ret = dict_set_dynptr (auth_dict, tmp, NULL, 0); - if (ret < 0) { - gf_log ("server", GF_LOG_DEBUG, - "failed to dict_set_dynptr"); - } - } - - GF_FREE (key_cpy); -out: - return; -} - - -static int -validate_auth_options (xlator_t *this, dict_t *dict) -{ - int ret = -1; - int error = 0; - xlator_list_t *trav = NULL; - data_pair_t *pair = NULL; - char *saveptr = NULL; - char *tmp = NULL; - char *key_cpy = NULL; - - trav = this->children; - while (trav) { - error = -1; - for (pair = dict->members_list; pair; pair = pair->next) { - key_cpy = gf_strdup (pair->key); - tmp = strtok_r (key_cpy, ".", &saveptr); - ret = strcmp (tmp, "auth"); - if (ret == 0) { - /* for module type */ - tmp = strtok_r (NULL, ".", &saveptr); - /* for volume name */ - tmp = strtok_r (NULL, ".", &saveptr); - } - - if (strcmp (tmp, trav->xlator->name) == 0) { - error = 0; - GF_FREE (key_cpy); - break; - } - GF_FREE (key_cpy); - } - if (-1 == error) { - gf_log (this->name, GF_LOG_ERROR, - "volume '%s' defined as subvolume, but no " - "authentication defined for the same", - trav->xlator->name); - break; - } - trav = trav->next; - } - - return error; -} - -int32_t -mem_acct_init (xlator_t *this) -{ - int ret = -1; - - if (!this) - return ret; - - ret = xlator_mem_acct_init (this, gf_server_mt_end + 1); - - if (ret != 0) { - gf_log (this->name, GF_LOG_ERROR, "Memory accounting init" - " failed"); - return ret; - } - - return ret; -} - - -/* - * init - called during server protocol initialization - * - * @this: - * - */ -int -init (xlator_t *this) -{ - int32_t ret = -1; - transport_t *trans = NULL; - server_conf_t *conf = NULL; - data_t *data = NULL; - data_t *trace = NULL; - - if (this->children == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "protocol/server should have subvolume"); - goto out; - } - - trans = transport_load (this->options, this); - if (trans == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "failed to load transport"); - goto out; - } - - ret = transport_listen (trans); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "failed to bind/listen on socket"); - goto out; - } - - conf = GF_CALLOC (1, sizeof (server_conf_t), - gf_server_mt_server_conf_t); - GF_VALIDATE_OR_GOTO(this->name, conf, out); - - INIT_LIST_HEAD (&conf->conns); - pthread_mutex_init (&conf->mutex, NULL); - - conf->trans = trans; - - conf->auth_modules = dict_new (); - GF_VALIDATE_OR_GOTO(this->name, conf->auth_modules, out); - - dict_foreach (this->options, get_auth_types, - conf->auth_modules); - ret = validate_auth_options (this, this->options); - if (ret == -1) { - /* logging already done in validate_auth_options function. */ - goto out; - } - - ret = gf_auth_init (this, conf->auth_modules); - if (ret) { - dict_unref (conf->auth_modules); - goto out; - } - - this->private = conf; - - ret = dict_get_int32 (this->options, "inode-lru-limit", - &conf->inode_lru_limit); - if (ret < 0) { - conf->inode_lru_limit = 1024; - } - - ret = dict_get_int32 (this->options, "limits.transaction-size", - &conf->max_block_size); - if (ret < 0) { - gf_log (this->name, GF_LOG_TRACE, - "defaulting limits.transaction-size to %d", - DEFAULT_BLOCK_SIZE); - conf->max_block_size = DEFAULT_BLOCK_SIZE; - } - - conf->verify_volfile_checksum = 1; - data = dict_get (this->options, "verify-volfile-checksum"); - if (data) { - ret = gf_string2boolean(data->data, - &conf->verify_volfile_checksum); - if (ret != 0) { - gf_log (this->name, GF_LOG_DEBUG, - "wrong value for verify-volfile-checksum"); - conf->verify_volfile_checksum = 1; - } - } - - trace = dict_get (this->options, "trace"); - if (trace) { - if (gf_string2boolean (trace->data, - &conf->trace) == -1) { - gf_log (this->name, GF_LOG_ERROR, - "'trace' takes on only boolean values."); - return -1; - } - } - -#ifndef GF_DARWIN_HOST_OS - { - struct rlimit lim; - - lim.rlim_cur = 1048576; - lim.rlim_max = 1048576; - - if (setrlimit (RLIMIT_NOFILE, &lim) == -1) { - gf_log (this->name, GF_LOG_WARNING, - "WARNING: Failed to set 'ulimit -n 1M': %s", - strerror(errno)); - lim.rlim_cur = 65536; - lim.rlim_max = 65536; - - if (setrlimit (RLIMIT_NOFILE, &lim) == -1) { - gf_log (this->name, GF_LOG_WARNING, - "Failed to set max open fd to 64k: %s", - strerror(errno)); - } else { - gf_log (this->name, GF_LOG_TRACE, - "max open fd set to 64k"); - } - } - } -#endif - this->graph->top = this; - - ret = 0; -out: - return ret; -} - - - -static int -protocol_server_pollin (xlator_t *this, transport_t *trans) -{ - char *hdr = NULL; - size_t hdrlen = 0; - int ret = -1; - struct iobuf *iobuf = NULL; - - - ret = transport_receive (trans, &hdr, &hdrlen, &iobuf); - - if (ret == 0) - ret = protocol_server_interpret (this, trans, hdr, - hdrlen, iobuf); - - /* TODO: use mem-pool */ - GF_FREE (hdr); - - return ret; -} - - -/* - * fini - finish function for server protocol, called before - * unloading server protocol. - * - * @this: - * - */ -void -fini (xlator_t *this) -{ - server_conf_t *conf = this->private; - - GF_VALIDATE_OR_GOTO(this->name, conf, out); - - if (conf->auth_modules) { - dict_unref (conf->auth_modules); - } - - GF_FREE (conf); - this->private = NULL; -out: - return; -} - -/* - * server_protocol_notify - notify function for server protocol - * @this: - * @trans: - * @event: - * - */ -int -notify (xlator_t *this, int32_t event, void *data, ...) -{ - int ret = 0; - transport_t *trans = NULL; - peer_info_t *peerinfo = NULL; - peer_info_t *myinfo = NULL; - - THIS = this; - trans = data; - if (!trans) { - gf_log (this->name, GF_LOG_ERROR, "!trans"); - goto out; - } - - peerinfo = &(trans->peerinfo); - myinfo = &(trans->myinfo); - - switch (event) { - case GF_EVENT_POLLIN: - ret = protocol_server_pollin (this, trans); - break; - case GF_EVENT_POLLERR: - { - gf_log (trans->xl->name, GF_LOG_INFO, "%s disconnected", - peerinfo->identifier); - - ret = -1; - transport_disconnect (trans); - if (trans->xl_private == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "POLLERR received on (%s) even before " - "handshake with (%s) is successful", - myinfo->identifier, peerinfo->identifier); - } else { - /* - * FIXME: shouldn't we check for return value? - * what should be done if cleanup fails? - */ - gf_server_connection_cleanup (this, trans->xl_private); - } - } - break; - - case GF_EVENT_TRANSPORT_CLEANUP: - { - if (trans->xl_private) { - gf_server_connection_put (this, trans->xl_private); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "transport (%s) cleaned up even before " - "handshake with (%s) is successful", - myinfo->identifier, peerinfo->identifier); - } - } - break; - - default: - default_notify (this, event, data); - break; - } -out: - return ret; -} - - -struct xlator_fops fops = { -}; - -struct xlator_cbks cbks = { -}; - -struct xlator_dumpops dumpops = { - .inode = server_inode, - .priv = server_priv, - .fd = server_fd, -}; - - -struct volume_options options[] = { - { .key = {"transport-type"}, - .value = {"tcp", "socket", "ib-verbs", "unix", "ib-sdp", - "tcp/server", "ib-verbs/server"}, - .type = GF_OPTION_TYPE_STR - }, - { .key = {"volume-filename.*"}, - .type = GF_OPTION_TYPE_PATH, - }, - { .key = {"inode-lru-limit"}, - .type = GF_OPTION_TYPE_INT, - .min = 0, - .max = (1 * GF_UNIT_MB) - }, - { .key = {"client-volume-filename"}, - .type = GF_OPTION_TYPE_PATH - }, - { .key = {"verify-volfile-checksum"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"trace"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"conf-dir"}, - .type = GF_OPTION_TYPE_PATH, - }, - - { .key = {NULL} }, -}; diff --git a/xlators/protocol/legacy/server/src/server-protocol.h b/xlators/protocol/legacy/server/src/server-protocol.h deleted file mode 100644 index be677603360..00000000000 --- a/xlators/protocol/legacy/server/src/server-protocol.h +++ /dev/null @@ -1,191 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _SERVER_PROTOCOL_H_ -#define _SERVER_PROTOCOL_H_ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <pthread.h> - -#include "glusterfs.h" -#include "xlator.h" -#include "logging.h" -#include "call-stub.h" -#include "fd.h" -#include "byte-order.h" -#include "server-mem-types.h" -#include "authenticate.h" -#include "transport.h" - -#define DEFAULT_BLOCK_SIZE 4194304 /* 4MB */ -#define DEFAULT_VOLUME_FILE_PATH CONFDIR "/glusterfs.vol" - -typedef struct _server_state server_state_t; - -struct _locker { - struct list_head lockers; - char *volume; - loc_t loc; - fd_t *fd; - pid_t pid; -}; - -struct _lock_table { - struct list_head file_lockers; - struct list_head dir_lockers; - gf_lock_t lock; - size_t count; -}; - - -/* private structure per connection (transport object) - * used as transport_t->xl_private - */ -struct _server_connection { - struct list_head list; - char *id; - int ref; - int active_transports; - pthread_mutex_t lock; - char disconnected; - fdtable_t *fdtable; - struct _lock_table *ltable; - xlator_t *bound_xl; -}; - -typedef struct _server_connection server_connection_t; - - -server_connection_t * -gf_server_connection_get (xlator_t *this, const char *id); - -void -gf_server_connection_put (xlator_t *this, server_connection_t *conn); - -int -gf_server_connection_cleanup (xlator_t *this, server_connection_t *conn); - -struct _volfile_ctx { - struct _volfile_ctx *next; - char *key; - uint32_t checksum; -}; - -typedef struct { - struct _volfile_ctx *volfile; - - dict_t *auth_modules; - transport_t *trans; - int32_t max_block_size; - int32_t inode_lru_limit; - pthread_mutex_t mutex; - struct list_head conns; - gf_boolean_t verify_volfile_checksum; - gf_boolean_t trace; -} server_conf_t; - - -typedef enum { - RESOLVE_MUST = 1, - RESOLVE_NOT, - RESOLVE_MAY, - RESOLVE_DONTCARE, - RESOLVE_EXACT -} server_resolve_type_t; - - -struct resolve_comp { - char *basename; - ino_t ino; - uint64_t gen; - inode_t *inode; -}; - -typedef struct { - server_resolve_type_t type; - uint64_t fd_no; - ino_t ino; - uint64_t gen; - ino_t par; - char *path; - char *bname; - char *resolved; - int op_ret; - int op_errno; - loc_t deep_loc; - struct resolve_comp *components; - int comp_count; -} server_resolve_t; - - -typedef int (*server_resume_fn_t) (call_frame_t *frame, xlator_t *bound_xl); - -int -gf_resolve_and_resume (call_frame_t *frame, server_resume_fn_t fn); - -struct _server_state { - transport_t *trans; - xlator_t *bound_xl; - inode_table_t *itable; - - server_resume_fn_t resume_fn; - - loc_t loc; - loc_t loc2; - server_resolve_t resolve; - server_resolve_t resolve2; - - /* used within resolve_and_resume */ - loc_t *loc_now; - server_resolve_t *resolve_now; - - struct iatt stbuf; - int valid; - - fd_t *fd; - dict_t *params; - int flags; - int wbflags; - struct iobuf *iobuf; - struct iobref *iobref; - - size_t size; - off_t offset; - mode_t mode; - dev_t dev; - size_t nr_count; - int cmd; - int type; - char *name; - int name_len; - - int mask; - char is_revalidate; - dict_t *dict; - struct gf_flock flock; - const char *volume; - dir_entry_t *entry; -}; - - -#endif diff --git a/xlators/protocol/legacy/server/src/server-resolve.c b/xlators/protocol/legacy/server/src/server-resolve.c deleted file mode 100644 index 5a02be7ef90..00000000000 --- a/xlators/protocol/legacy/server/src/server-resolve.c +++ /dev/null @@ -1,658 +0,0 @@ -/* - Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "server-protocol.h" -#include "server-helpers.h" - -#include "compat-errno.h" - -void -gf_server_print_request (call_frame_t *frame); - -static int -server_resolve_all (call_frame_t *frame); -static int -resolve_entry_simple (call_frame_t *frame); -static int -resolve_inode_simple (call_frame_t *frame); -static int -resolve_path_simple (call_frame_t *frame); - - -static int -component_count (const char *path) -{ - int count = 0; - const char *trav = NULL; - - trav = path; - - for (trav = path; *trav; trav++) { - if (*trav == '/') - count++; - } - - return count + 2; -} - - -static int -prepare_components (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - char *resolved = NULL; - int count = 0; - struct resolve_comp *components = NULL; - int i = 0; - char *trav = NULL; - - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - - resolved = gf_strdup (resolve->path); - resolve->resolved = resolved; - - count = component_count (resolve->path); - components = GF_CALLOC (sizeof (*components), count, - gf_server_mt_resolve_comp); - resolve->components = components; - - components[0].basename = ""; - components[0].ino = 1; - components[0].gen = 0; - components[0].inode = state->itable->root; - - i = 1; - for (trav = resolved; *trav; trav++) { - if (*trav == '/') { - components[i].basename = trav + 1; - *trav = 0; - i++; - } - } - - return 0; -} - - -static int -resolve_loc_touchup (call_frame_t *frame) -{ - server_state_t *state = NULL; - server_resolve_t *resolve = NULL; - loc_t *loc = NULL; - char *path = NULL; - int ret = 0; - - state = CALL_STATE (frame); - - resolve = state->resolve_now; - loc = state->loc_now; - - if (!loc->path) { - if (loc->parent && resolve->bname) { - ret = inode_path (loc->parent, resolve->bname, &path); - } else if (loc->inode) { - ret = inode_path (loc->inode, NULL, &path); - } - - if (!path) - path = gf_strdup (resolve->path); - - loc->path = path; - } - - loc->name = strrchr (loc->path, '/'); - if (loc->name) - loc->name++; - - if (!loc->parent && loc->inode) { - loc->parent = inode_parent (loc->inode, 0, NULL); - } - - return 0; -} - - -static int -resolve_deep_continue (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - int ret = 0; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - - resolve->op_ret = 0; - resolve->op_errno = 0; - - if (resolve->par) - ret = resolve_entry_simple (frame); - else if (resolve->ino) - ret = resolve_inode_simple (frame); - else if (resolve->path) - ret = resolve_path_simple (frame); - - resolve_loc_touchup (frame); - - server_resolve_all (frame); - - return 0; -} - - -static int -resolve_deep_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int op_ret, int op_errno, inode_t *inode, struct iatt *buf, - dict_t *xattr, struct iatt *postparent) -{ - server_state_t *state = NULL; - server_resolve_t *resolve = NULL; - struct resolve_comp *components = NULL; - int i = 0; - inode_t *link_inode = NULL; - - state = CALL_STATE (frame); - resolve = state->resolve_now; - components = resolve->components; - - i = (long) cookie; - - if (op_ret == -1) { - goto get_out_of_here; - } - - if (i != 0) { - /* no linking for root inode */ - link_inode = inode_link (inode, resolve->deep_loc.parent, - resolve->deep_loc.name, buf); - inode_lookup (link_inode); - components[i].inode = link_inode; - link_inode = NULL; - } - - loc_wipe (&resolve->deep_loc); - - i++; /* next component */ - - if (!components[i].basename) { - /* all components of the path are resolved */ - goto get_out_of_here; - } - - /* join the current component with the path resolved until now */ - *(components[i].basename - 1) = '/'; - - resolve->deep_loc.path = gf_strdup (resolve->resolved); - resolve->deep_loc.parent = inode_ref (components[i-1].inode); - resolve->deep_loc.inode = inode_new (state->itable); - resolve->deep_loc.name = components[i].basename; - - STACK_WIND_COOKIE (frame, resolve_deep_cbk, (void *) (long) i, - BOUND_XL (frame), BOUND_XL (frame)->fops->lookup, - &resolve->deep_loc, NULL); - return 0; - -get_out_of_here: - resolve_deep_continue (frame); - return 0; -} - - -static int -resolve_path_deep (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - int i = 0; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - - gf_log (BOUND_XL (frame)->name, GF_LOG_DEBUG, - "RESOLVE %s() seeking deep resolution of %s", - gf_fop_list[frame->root->op], resolve->path); - - prepare_components (frame); - - /* start from the root */ - resolve->deep_loc.inode = state->itable->root; - resolve->deep_loc.path = gf_strdup ("/"); - resolve->deep_loc.name = ""; - - STACK_WIND_COOKIE (frame, resolve_deep_cbk, (void *) (long) i, - BOUND_XL (frame), BOUND_XL (frame)->fops->lookup, - &resolve->deep_loc, NULL); - return 0; -} - - -static int -resolve_path_simple (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - struct resolve_comp *components = NULL; - int ret = -1; - int par_idx = 0; - int ino_idx = 0; - int i = 0; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - components = resolve->components; - - if (!components) { - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - goto out; - } - - for (i = 0; components[i].basename; i++) { - par_idx = ino_idx; - ino_idx = i; - } - - if (!components[par_idx].inode) { - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - goto out; - } - - if (!components[ino_idx].inode && - (resolve->type == RESOLVE_MUST || resolve->type == RESOLVE_EXACT)) { - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - goto out; - } - - if (components[ino_idx].inode && resolve->type == RESOLVE_NOT) { - resolve->op_ret = -1; - resolve->op_errno = EEXIST; - goto out; - } - - if (components[ino_idx].inode) - state->loc_now->inode = inode_ref (components[ino_idx].inode); - state->loc_now->parent = inode_ref (components[par_idx].inode); - - ret = 0; - -out: - return ret; -} - -/* - Check if the requirements are fulfilled by entries in the inode cache itself - Return value: - <= 0 - simple resolution was decisive and complete (either success or failure) - > 0 - indecisive, need to perform deep resolution -*/ - -static int -resolve_entry_simple (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - inode_t *parent = NULL; - inode_t *inode = NULL; - int ret = 0; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - - parent = inode_get (state->itable, resolve->par, 0); - if (!parent) { - /* simple resolution is indecisive. need to perform - deep resolution */ - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - ret = 1; - - inode = inode_grep (state->itable, parent, resolve->bname); - if (inode != NULL) { - gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": inode " - "(pointer:%p ino: %"PRIu64") present but parent" - " is NULL for path (%s)", frame->root->unique, - inode, inode->ino, resolve->path); - inode_unref (inode); - } - goto out; - } - -// if (parent->ino != 1 && parent->generation != resolve->gen) { - if (0) { - /* simple resolution is decisive - request was for a - stale handle */ - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - ret = -1; - goto out; - } - - /* expected @parent was found from the inode cache */ - state->loc_now->parent = inode_ref (parent); - - inode = inode_grep (state->itable, parent, resolve->bname); - if (!inode) { - switch (resolve->type) { - case RESOLVE_DONTCARE: - case RESOLVE_NOT: - ret = 0; - break; - case RESOLVE_MAY: - ret = 1; - break; - default: - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - ret = 1; - break; - } - - goto out; - } - - if (resolve->type == RESOLVE_NOT) { - gf_log (this->name, GF_LOG_DEBUG, "inode (pointer: %p ino:%" - PRIu64") found for path (%s) while type is RESOLVE_NOT", - inode, inode->ino, resolve->path); - resolve->op_ret = -1; - resolve->op_errno = EEXIST; - ret = -1; - goto out; - } - - ret = 0; - - state->loc_now->inode = inode_ref (inode); - -out: - if (parent) - inode_unref (parent); - - if (inode) - inode_unref (inode); - - return ret; -} - - -static int -server_resolve_entry (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - int ret = 0; - loc_t *loc = NULL; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - loc = state->loc_now; - - ret = resolve_entry_simple (frame); - - if (ret > 0) { - loc_wipe (loc); - resolve_path_deep (frame); - return 0; - } - - if (ret == 0) - resolve_loc_touchup (frame); - - server_resolve_all (frame); - - return 0; -} - - -static int -resolve_inode_simple (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - inode_t *inode = NULL; - int ret = 0; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - - if (resolve->type == RESOLVE_EXACT) { - inode = inode_get (state->itable, resolve->ino, resolve->gen); - } else { - inode = inode_get (state->itable, resolve->ino, 0); - } - - if (!inode) { - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - ret = 1; - goto out; - } - -// if (inode->ino != 1 && inode->generation != resolve->gen) { - if (0) { - resolve->op_ret = -1; - resolve->op_errno = ENOENT; - ret = -1; - goto out; - } - - ret = 0; - - state->loc_now->inode = inode_ref (inode); - -out: - if (inode) - inode_unref (inode); - - return ret; -} - - -static int -server_resolve_inode (call_frame_t *frame) -{ - server_state_t *state = NULL; - int ret = 0; - loc_t *loc = NULL; - - state = CALL_STATE (frame); - loc = state->loc_now; - - ret = resolve_inode_simple (frame); - - if (ret > 0) { - loc_wipe (loc); - resolve_path_deep (frame); - return 0; - } - - if (ret == 0) - resolve_loc_touchup (frame); - - server_resolve_all (frame); - - return 0; -} - - -static int -server_resolve_fd (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - server_connection_t *conn = NULL; - uint64_t fd_no = -1; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - conn = SERVER_CONNECTION (frame); - - fd_no = resolve->fd_no; - - state->fd = gf_fd_fdptr_get (conn->fdtable, fd_no); - - if (!state->fd) { - resolve->op_ret = -1; - resolve->op_errno = EBADFD; - } - - server_resolve_all (frame); - - return 0; -} - - -static int -server_resolve (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - server_resolve_t *resolve = NULL; - - state = CALL_STATE (frame); - this = frame->this; - resolve = state->resolve_now; - - if (resolve->fd_no != -1) { - - server_resolve_fd (frame); - - } else if (resolve->par) { - - server_resolve_entry (frame); - - } else if (resolve->ino) { - - server_resolve_inode (frame); - - } else if (resolve->path) { - - resolve_path_deep (frame); - - } else { - - resolve->op_ret = -1; - resolve->op_errno = EINVAL; - - server_resolve_all (frame); - } - - return 0; -} - - -static int -server_resolve_done (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *bound_xl = NULL; - - state = CALL_STATE (frame); - bound_xl = BOUND_XL (frame); - - gf_server_print_request (frame); - - state->resume_fn (frame, bound_xl); - - return 0; -} - - -/* - * This function is called multiple times, once per resolving one location/fd. - * state->resolve_now is used to decide which location/fd is to be resolved now - */ -static int -server_resolve_all (call_frame_t *frame) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - - this = frame->this; - state = CALL_STATE (frame); - - if (state->resolve_now == NULL) { - - state->resolve_now = &state->resolve; - state->loc_now = &state->loc; - - server_resolve (frame); - - } else if (state->resolve_now == &state->resolve) { - - state->resolve_now = &state->resolve2; - state->loc_now = &state->loc2; - - server_resolve (frame); - - } else if (state->resolve_now == &state->resolve2) { - - server_resolve_done (frame); - - } else { - gf_log (this->name, GF_LOG_ERROR, - "Invalid pointer for state->resolve_now"); - } - - return 0; -} - - -int -gf_resolve_and_resume (call_frame_t *frame, server_resume_fn_t fn) -{ - server_state_t *state = NULL; - xlator_t *this = NULL; - - state = CALL_STATE (frame); - state->resume_fn = fn; - - this = frame->this; - - server_resolve_all (frame); - - return 0; -} diff --git a/xlators/protocol/legacy/transport/Makefile.am b/xlators/protocol/legacy/transport/Makefile.am deleted file mode 100644 index e2f97437c12..00000000000 --- a/xlators/protocol/legacy/transport/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -SUBDIRS = socket $(IBVERBS_SUBDIR) - -CLEANFILES = diff --git a/xlators/protocol/legacy/transport/ib-verbs/Makefile.am b/xlators/protocol/legacy/transport/ib-verbs/Makefile.am deleted file mode 100644 index f963effea22..00000000000 --- a/xlators/protocol/legacy/transport/ib-verbs/Makefile.am +++ /dev/null @@ -1 +0,0 @@ -SUBDIRS = src
\ No newline at end of file diff --git a/xlators/protocol/legacy/transport/ib-verbs/src/Makefile.am b/xlators/protocol/legacy/transport/ib-verbs/src/Makefile.am deleted file mode 100644 index 3db7aff9871..00000000000 --- a/xlators/protocol/legacy/transport/ib-verbs/src/Makefile.am +++ /dev/null @@ -1,19 +0,0 @@ -# TODO : need to change transportdir - -transport_LTLIBRARIES = ib-verbs.la -transportdir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/transport - -ib_verbs_la_LDFLAGS = -module -avoidversion - -ib_verbs_la_SOURCES = ib-verbs.c name.c -ib_verbs_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \ - -libverbs $(top_builddir)/xlators/protocol/legacy/lib/src/libgfproto.la - -noinst_HEADERS = ib-verbs.h name.h ib-verbs-mem-types.h - -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS) \ - -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) \ - -I$(top_srcdir)/xlators/protocol/legacy/transport/ib-verbs \ - -I$(top_srcdir)/xlators/protocol/legacy/lib/src - -CLEANFILES = *~ diff --git a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs-mem-types.h b/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs-mem-types.h deleted file mode 100644 index 80e81e56b85..00000000000 --- a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs-mem-types.h +++ /dev/null @@ -1,39 +0,0 @@ - -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef __IB_VERBS_MEM_TYPES_H__ -#define __IB_VERBS_MEM_TYPES_H__ - -#include "mem-types.h" - -enum gf_ib_verbs_mem_types_ { - gf_ibv_mt_ib_verbs_private_t = gf_common_mt_end + 1, - gf_ibv_mt_ib_verbs_ioq_t, - gf_ibv_mt_transport_t, - gf_ibv_mt_ib_verbs_local_t, - gf_ibv_mt_ib_verbs_post_t, - gf_ibv_mt_char, - gf_ibv_mt_qpent, - gf_ibv_mt_ib_verbs_device_t, - gf_ibv_mt_end -}; -#endif - diff --git a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c b/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c deleted file mode 100644 index 8b52fa88453..00000000000 --- a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c +++ /dev/null @@ -1,2625 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "dict.h" -#include "glusterfs.h" -#include "transport.h" -#include "protocol.h" -#include "logging.h" -#include "xlator.h" -#include "name.h" -#include "ib-verbs.h" -#include <signal.h> - -int32_t -gf_resolve_ip6 (const char *hostname, - uint16_t port, - int family, - void **dnscache, - struct addrinfo **addr_info); - -static uint16_t -ib_verbs_get_local_lid (struct ibv_context *context, - int32_t port) -{ - struct ibv_port_attr attr; - - if (ibv_query_port (context, port, &attr)) - return 0; - - return attr.lid; -} - -static const char * -get_port_state_str(enum ibv_port_state pstate) -{ - switch (pstate) { - case IBV_PORT_DOWN: return "PORT_DOWN"; - case IBV_PORT_INIT: return "PORT_INIT"; - case IBV_PORT_ARMED: return "PORT_ARMED"; - case IBV_PORT_ACTIVE: return "PORT_ACTIVE"; - case IBV_PORT_ACTIVE_DEFER: return "PORT_ACTIVE_DEFER"; - default: return "invalid state"; - } -} - -static int32_t -ib_check_active_port (struct ibv_context *ctx, uint8_t port) -{ - struct ibv_port_attr port_attr; - - int32_t ret = 0; - const char *state_str = NULL; - - if (!ctx) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "Error in supplied context"); - return -1; - } - - ret = ibv_query_port (ctx, port, &port_attr); - - if (ret) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "Failed to query port %u properties", port); - return -1; - } - - state_str = get_port_state_str (port_attr.state); - gf_log ("transport/ib-verbs", GF_LOG_TRACE, - "Infiniband PORT: (%u) STATE: (%s)", - port, state_str); - - if (port_attr.state == IBV_PORT_ACTIVE) - return 0; - - return -1; -} - -static int32_t -ib_get_active_port (struct ibv_context *ib_ctx) -{ - struct ibv_device_attr ib_device_attr; - - int32_t ret = -1; - uint8_t ib_port = 0; - - if (!ib_ctx) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "Error in supplied context"); - return -1; - } - if (ibv_query_device (ib_ctx, &ib_device_attr)) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "Failed to query device properties"); - return -1; - } - - for (ib_port = 1; ib_port <= ib_device_attr.phys_port_cnt; ++ib_port) { - ret = ib_check_active_port (ib_ctx, ib_port); - if (ret == 0) - return ib_port; - - gf_log ("transport/ib-verbs", GF_LOG_TRACE, - "Port:(%u) not active", ib_port); - continue; - } - return ret; -} - - - -static void -ib_verbs_put_post (ib_verbs_queue_t *queue, - ib_verbs_post_t *post) -{ - pthread_mutex_lock (&queue->lock); - if (post->prev) { - queue->active_count--; - post->prev->next = post->next; - } - if (post->next) - post->next->prev = post->prev; - post->prev = &queue->passive_posts; - post->next = post->prev->next; - post->prev->next = post; - post->next->prev = post; - queue->passive_count++; - pthread_mutex_unlock (&queue->lock); -} - - -static ib_verbs_post_t * -ib_verbs_new_post (ib_verbs_device_t *device, int32_t len) -{ - ib_verbs_post_t *post; - - post = (ib_verbs_post_t *) GF_CALLOC (1, sizeof (*post), - gf_ibv_mt_ib_verbs_post_t); - if (!post) - return NULL; - - post->buf_size = len; - - post->buf = valloc (len); - if (!post->buf) { - GF_FREE (post); - return NULL; - } - - post->mr = ibv_reg_mr (device->pd, - post->buf, - post->buf_size, - IBV_ACCESS_LOCAL_WRITE); - if (!post->mr) { - free (post->buf); - GF_FREE (post); - return NULL; - } - - return post; -} - - -static ib_verbs_post_t * -ib_verbs_get_post (ib_verbs_queue_t *queue) -{ - ib_verbs_post_t *post; - - pthread_mutex_lock (&queue->lock); - { - post = queue->passive_posts.next; - if (post == &queue->passive_posts) - post = NULL; - - if (post) { - if (post->prev) - post->prev->next = post->next; - if (post->next) - post->next->prev = post->prev; - post->prev = &queue->active_posts; - post->next = post->prev->next; - post->prev->next = post; - post->next->prev = post; - post->reused++; - queue->active_count++; - } - } - pthread_mutex_unlock (&queue->lock); - - return post; -} - -void -ib_verbs_destroy_post (ib_verbs_post_t *post) -{ - ibv_dereg_mr (post->mr); - free (post->buf); - GF_FREE (post); -} - - -static int32_t -__ib_verbs_quota_get (ib_verbs_peer_t *peer) -{ - int32_t ret = -1; - ib_verbs_private_t *priv = peer->trans->private; - - if (priv->connected && peer->quota > 0) { - ret = peer->quota--; - } - - return ret; -} - -/* - static int32_t - ib_verbs_quota_get (ib_verbs_peer_t *peer) - { - int32_t ret = -1; - ib_verbs_private_t *priv = peer->trans->private; - - pthread_mutex_lock (&priv->write_mutex); - { - ret = __ib_verbs_quota_get (peer); - } - pthread_mutex_unlock (&priv->write_mutex); - - return ret; - } -*/ - -static void -__ib_verbs_ioq_entry_free (ib_verbs_ioq_t *entry) -{ - list_del_init (&entry->list); - if (entry->iobref) - iobref_unref (entry->iobref); - - /* TODO: use mem-pool */ - GF_FREE (entry->buf); - - /* TODO: use mem-pool */ - GF_FREE (entry); -} - - -static void -__ib_verbs_ioq_flush (ib_verbs_peer_t *peer) -{ - ib_verbs_ioq_t *entry = NULL, *dummy = NULL; - - list_for_each_entry_safe (entry, dummy, &peer->ioq, list) { - __ib_verbs_ioq_entry_free (entry); - } -} - - -static int32_t -__ib_verbs_disconnect (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - int32_t ret = 0; - - if (priv->connected || priv->tcp_connected) { - fcntl (priv->sock, F_SETFL, O_NONBLOCK); - if (shutdown (priv->sock, SHUT_RDWR) != 0) { - gf_log ("transport/ib-verbs", - GF_LOG_DEBUG, - "shutdown () - error: %s", - strerror (errno)); - ret = -errno; - priv->tcp_connected = 0; - } - } - - return ret; -} - - -static int32_t -ib_verbs_post_send (struct ibv_qp *qp, - ib_verbs_post_t *post, - int32_t len) -{ - struct ibv_sge list = { - .addr = (unsigned long) post->buf, - .length = len, - .lkey = post->mr->lkey - }; - - struct ibv_send_wr wr = { - .wr_id = (unsigned long) post, - .sg_list = &list, - .num_sge = 1, - .opcode = IBV_WR_SEND, - .send_flags = IBV_SEND_SIGNALED, - }, *bad_wr; - - if (!qp) - return -1; - - return ibv_post_send (qp, &wr, &bad_wr); -} - - -static int32_t -__ib_verbs_ioq_churn_entry (ib_verbs_peer_t *peer, ib_verbs_ioq_t *entry) -{ - int32_t ret = 0, quota = 0; - ib_verbs_private_t *priv = peer->trans->private; - ib_verbs_device_t *device = priv->device; - ib_verbs_options_t *options = &priv->options; - ib_verbs_post_t *post = NULL; - int32_t len = 0; - - quota = __ib_verbs_quota_get (peer); - if (quota > 0) { - post = ib_verbs_get_post (&device->sendq); - if (!post) - post = ib_verbs_new_post (device, - (options->send_size + 2048)); - - len = iov_length ((const struct iovec *)&entry->vector, - entry->count); - if (len >= (options->send_size + 2048)) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "increase value of option 'transport.ib-verbs." - "work-request-send-size' (given=> %"PRId64") " - "to send bigger (%d) messages", - (options->send_size + 2048), len); - return -1; - } - - iov_unload (post->buf, - (const struct iovec *)&entry->vector, - entry->count); - - ret = ib_verbs_post_send (peer->qp, post, len); - if (!ret) { - __ib_verbs_ioq_entry_free (entry); - ret = len; - } else { - gf_log ("transport/ib-verbs", GF_LOG_DEBUG, - "ibv_post_send failed with ret = %d", ret); - ib_verbs_put_post (&device->sendq, post); - __ib_verbs_disconnect (peer->trans); - ret = -1; - } - } - - return ret; -} - - -static int32_t -__ib_verbs_ioq_churn (ib_verbs_peer_t *peer) -{ - ib_verbs_ioq_t *entry = NULL; - int32_t ret = 0; - - while (!list_empty (&peer->ioq)) - { - /* pick next entry */ - entry = peer->ioq_next; - - ret = __ib_verbs_ioq_churn_entry (peer, entry); - - if (ret <= 0) - break; - } - - /* - list_for_each_entry_safe (entry, dummy, &peer->ioq, list) { - ret = __ib_verbs_ioq_churn_entry (peer, entry); - if (ret <= 0) { - break; - } - } - */ - - return ret; -} - -static int32_t -__ib_verbs_quota_put (ib_verbs_peer_t *peer) -{ - int32_t ret; - - peer->quota++; - ret = peer->quota; - - if (!list_empty (&peer->ioq)) { - ret = __ib_verbs_ioq_churn (peer); - } - - return ret; -} - - -static int32_t -ib_verbs_quota_put (ib_verbs_peer_t *peer) -{ - int32_t ret; - ib_verbs_private_t *priv = peer->trans->private; - - pthread_mutex_lock (&priv->write_mutex); - { - ret = __ib_verbs_quota_put (peer); - } - pthread_mutex_unlock (&priv->write_mutex); - - return ret; -} - - -static int32_t -ib_verbs_post_recv (struct ibv_srq *srq, - ib_verbs_post_t *post) -{ - struct ibv_sge list = { - .addr = (unsigned long) post->buf, - .length = post->buf_size, - .lkey = post->mr->lkey - }; - - struct ibv_recv_wr wr = { - .wr_id = (unsigned long) post, - .sg_list = &list, - .num_sge = 1, - }, *bad_wr; - - return ibv_post_srq_recv (srq, &wr, &bad_wr); -} - - -static int32_t -ib_verbs_writev (transport_t *this, - ib_verbs_ioq_t *entry) -{ - int32_t ret = 0, need_append = 1; - ib_verbs_private_t *priv = this->private; - ib_verbs_peer_t *peer = NULL; - - pthread_mutex_lock (&priv->write_mutex); - { - if (!priv->connected) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "ib-verbs is not connected to post a " - "send request"); - ret = -1; - goto unlock; - } - - peer = &priv->peer; - if (list_empty (&peer->ioq)) { - ret = __ib_verbs_ioq_churn_entry (peer, entry); - if (ret != 0) { - need_append = 0; - } - } - - if (need_append) { - list_add_tail (&entry->list, &peer->ioq); - } - } -unlock: - pthread_mutex_unlock (&priv->write_mutex); - return ret; -} - - -static ib_verbs_ioq_t * -ib_verbs_ioq_new (char *buf, int len, struct iovec *vector, - int count, struct iobref *iobref) -{ - ib_verbs_ioq_t *entry = NULL; - - /* TODO: use mem-pool */ - entry = GF_CALLOC (1, sizeof (*entry), gf_ibv_mt_ib_verbs_ioq_t); - - GF_ASSERT (count <= (MAX_IOVEC-2)); - - entry->header.colonO[0] = ':'; - entry->header.colonO[1] = 'O'; - entry->header.colonO[2] = '\0'; - entry->header.version = 42; - entry->header.size1 = hton32 (len); - entry->header.size2 = hton32 (iov_length (vector, count)); - - entry->vector[0].iov_base = &entry->header; - entry->vector[0].iov_len = sizeof (entry->header); - entry->count++; - - entry->vector[1].iov_base = buf; - entry->vector[1].iov_len = len; - entry->count++; - - if (vector && count) - { - memcpy (&entry->vector[2], vector, sizeof (*vector) * count); - entry->count += count; - } - - if (iobref) - entry->iobref = iobref_ref (iobref); - - entry->buf = buf; - - INIT_LIST_HEAD (&entry->list); - - return entry; -} - - -static int32_t -ib_verbs_submit (transport_t *this, char *buf, int32_t len, - struct iovec *vector, int count, struct iobref *iobref) -{ - int32_t ret = 0; - ib_verbs_ioq_t *entry = NULL; - - entry = ib_verbs_ioq_new (buf, len, vector, count, iobref); - ret = ib_verbs_writev (this, entry); - - if (ret > 0) { - ret = 0; - } - - return ret; -} - -static int -ib_verbs_receive (transport_t *this, char **hdr_p, size_t *hdrlen_p, - struct iobuf **iobuf_p) -{ - ib_verbs_private_t *priv = this->private; - /* TODO: return error if !priv->connected, check with locks */ - /* TODO: boundry checks for data_ptr/offset */ - char *copy_from = NULL; - ib_verbs_header_t *header = NULL; - uint32_t size1, size2, data_len = 0; - char *hdr = NULL; - struct iobuf *iobuf = NULL; - int32_t ret = 0; - - pthread_mutex_lock (&priv->recv_mutex); - { -/* - while (!priv->data_ptr) - pthread_cond_wait (&priv->recv_cond, &priv->recv_mutex); -*/ - - copy_from = priv->data_ptr + priv->data_offset; - - priv->data_ptr = NULL; - data_len = priv->data_len; - pthread_cond_broadcast (&priv->recv_cond); - } - pthread_mutex_unlock (&priv->recv_mutex); - - header = (ib_verbs_header_t *)copy_from; - if (strcmp (header->colonO, ":O")) { - gf_log ("transport/ib-verbs", GF_LOG_DEBUG, - "%s: corrupt header received", this->xl->name); - ret = -1; - goto err; - } - - size1 = ntoh32 (header->size1); - size2 = ntoh32 (header->size2); - - if (data_len != (size1 + size2 + sizeof (*header))) { - gf_log ("transport/ib-verbs", GF_LOG_DEBUG, - "%s: sizeof data read from transport is not equal " - "to the size specified in the header", - this->xl->name); - ret = -1; - goto err; - } - - copy_from += sizeof (*header); - - if (size1) { - hdr = GF_CALLOC (1, size1, gf_ibv_mt_char); - if (!hdr) { - gf_log (this->xl->name, GF_LOG_ERROR, - "unable to allocate header for peer %s", - this->peerinfo.identifier); - ret = -ENOMEM; - goto err; - } - memcpy (hdr, copy_from, size1); - copy_from += size1; - *hdr_p = hdr; - } - *hdrlen_p = size1; - - if (size2) { - iobuf = iobuf_get (this->xl->ctx->iobuf_pool); - if (!iobuf) { - gf_log (this->xl->name, GF_LOG_ERROR, - "unable to allocate IO buffer for peer %s", - this->peerinfo.identifier); - ret = -ENOMEM; - goto err; - } - memcpy (iobuf->ptr, copy_from, size2); - *iobuf_p = iobuf; - } - -err: - return ret; -} - - -static void -ib_verbs_destroy_cq (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - ib_verbs_device_t *device = priv->device; - - if (device->recv_cq) - ibv_destroy_cq (device->recv_cq); - device->recv_cq = NULL; - - if (device->send_cq) - ibv_destroy_cq (device->send_cq); - device->send_cq = NULL; - - return; -} - - -static int32_t -ib_verbs_create_cq (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = &priv->options; - ib_verbs_device_t *device = priv->device; - int32_t ret = 0; - - device->recv_cq = ibv_create_cq (priv->device->context, - options->recv_count * 2, - device, - device->recv_chan, - 0); - if (!device->recv_cq) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "%s: creation of CQ failed", - this->xl->name); - ret = -1; - } else if (ibv_req_notify_cq (device->recv_cq, 0)) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "%s: ibv_req_notify_cq on CQ failed", - this->xl->name); - ret = -1; - } - - do { - /* TODO: make send_cq size dynamically adaptive */ - device->send_cq = ibv_create_cq (priv->device->context, - options->send_count * 1024, - device, - device->send_chan, - 0); - if (!device->send_cq) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "%s: creation of send_cq failed", - this->xl->name); - ret = -1; - break; - } - - if (ibv_req_notify_cq (device->send_cq, 0)) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "%s: ibv_req_notify_cq on send_cq failed", - this->xl->name); - ret = -1; - break; - } - } while (0); - - if (ret != 0) - ib_verbs_destroy_cq (this); - - return ret; -} - - -static void -ib_verbs_register_peer (ib_verbs_device_t *device, - int32_t qp_num, - ib_verbs_peer_t *peer) -{ - struct _qpent *ent; - ib_verbs_qpreg_t *qpreg = &device->qpreg; - int32_t hash = qp_num % 42; - - pthread_mutex_lock (&qpreg->lock); - ent = qpreg->ents[hash].next; - while ((ent != &qpreg->ents[hash]) && (ent->qp_num != qp_num)) - ent = ent->next; - if (ent->qp_num == qp_num) { - pthread_mutex_unlock (&qpreg->lock); - return; - } - ent = (struct _qpent *) GF_CALLOC (1, sizeof (*ent), gf_ibv_mt_qpent); - if (!ent) - return; - /* TODO: ref reg->peer */ - ent->peer = peer; - ent->next = &qpreg->ents[hash]; - ent->prev = ent->next->prev; - ent->next->prev = ent; - ent->prev->next = ent; - ent->qp_num = qp_num; - qpreg->count++; - pthread_mutex_unlock (&qpreg->lock); -} - - -static void -ib_verbs_unregister_peer (ib_verbs_device_t *device, - int32_t qp_num) -{ - struct _qpent *ent; - ib_verbs_qpreg_t *qpreg = &device->qpreg; - int32_t hash = qp_num % 42; - - pthread_mutex_lock (&qpreg->lock); - ent = qpreg->ents[hash].next; - while ((ent != &qpreg->ents[hash]) && (ent->qp_num != qp_num)) - ent = ent->next; - if (ent->qp_num != qp_num) { - pthread_mutex_unlock (&qpreg->lock); - return; - } - ent->prev->next = ent->next; - ent->next->prev = ent->prev; - /* TODO: unref reg->peer */ - GF_FREE (ent); - qpreg->count--; - pthread_mutex_unlock (&qpreg->lock); -} - - -static ib_verbs_peer_t * -__ib_verbs_lookup_peer (ib_verbs_device_t *device, int32_t qp_num) -{ - struct _qpent *ent = NULL; - ib_verbs_peer_t *peer = NULL; - ib_verbs_qpreg_t *qpreg = NULL; - int32_t hash = 0; - - qpreg = &device->qpreg; - hash = qp_num % 42; - ent = qpreg->ents[hash].next; - while ((ent != &qpreg->ents[hash]) && (ent->qp_num != qp_num)) - ent = ent->next; - - if (ent != &qpreg->ents[hash]) { - peer = ent->peer; - } - - return peer; -} - -/* -static ib_verbs_peer_t * -ib_verbs_lookup_peer (ib_verbs_device_t *device, - int32_t qp_num) -{ - ib_verbs_qpreg_t *qpreg = NULL; - ib_verbs_peer_t *peer = NULL; - - qpreg = &device->qpreg; - pthread_mutex_lock (&qpreg->lock); - { - peer = __ib_verbs_lookup_peer (device, qp_num); - } - pthread_mutex_unlock (&qpreg->lock); - - return peer; -} -*/ - - -static void -__ib_verbs_destroy_qp (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - - if (priv->peer.qp) { - ib_verbs_unregister_peer (priv->device, priv->peer.qp->qp_num); - ibv_destroy_qp (priv->peer.qp); - } - priv->peer.qp = NULL; - - return; -} - - -static int32_t -ib_verbs_create_qp (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = &priv->options; - ib_verbs_device_t *device = priv->device; - int32_t ret = 0; - ib_verbs_peer_t *peer; - - peer = &priv->peer; - struct ibv_qp_init_attr init_attr = { - .send_cq = device->send_cq, - .recv_cq = device->recv_cq, - .srq = device->srq, - .cap = { - .max_send_wr = peer->send_count, - .max_recv_wr = peer->recv_count, - .max_send_sge = 1, - .max_recv_sge = 1 - }, - .qp_type = IBV_QPT_RC - }; - - struct ibv_qp_attr attr = { - .qp_state = IBV_QPS_INIT, - .pkey_index = 0, - .port_num = options->port, - .qp_access_flags = 0 - }; - - peer->qp = ibv_create_qp (device->pd, &init_attr); - if (!peer->qp) { - gf_log ("transport/ib-verbs", - GF_LOG_CRITICAL, - "%s: could not create QP", - this->xl->name); - ret = -1; - goto out; - } else if (ibv_modify_qp (peer->qp, &attr, - IBV_QP_STATE | - IBV_QP_PKEY_INDEX | - IBV_QP_PORT | - IBV_QP_ACCESS_FLAGS)) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "%s: failed to modify QP to INIT state", - this->xl->name); - ret = -1; - goto out; - } - - peer->local_lid = ib_verbs_get_local_lid (device->context, - options->port); - peer->local_qpn = peer->qp->qp_num; - peer->local_psn = lrand48 () & 0xffffff; - - ib_verbs_register_peer (device, peer->qp->qp_num, peer); - -out: - if (ret == -1) - __ib_verbs_destroy_qp (this); - - return ret; -} - - -static void -ib_verbs_destroy_posts (transport_t *this) -{ - -} - - -static int32_t -__ib_verbs_create_posts (transport_t *this, - int32_t count, - int32_t size, - ib_verbs_queue_t *q) -{ - int32_t i; - int32_t ret = 0; - ib_verbs_private_t *priv = this->private; - ib_verbs_device_t *device = priv->device; - - for (i=0 ; i<count ; i++) { - ib_verbs_post_t *post; - - post = ib_verbs_new_post (device, size + 2048); - if (!post) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "%s: post creation failed", - this->xl->name); - ret = -1; - break; - } - - ib_verbs_put_post (q, post); - } - return ret; -} - - -static int32_t -ib_verbs_create_posts (transport_t *this) -{ - int32_t i, ret; - ib_verbs_post_t *post = NULL; - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = &priv->options; - ib_verbs_device_t *device = priv->device; - - ret = __ib_verbs_create_posts (this, options->send_count, - options->send_size, - &device->sendq); - if (!ret) - ret = __ib_verbs_create_posts (this, options->recv_count, - options->recv_size, - &device->recvq); - - if (!ret) { - for (i=0 ; i<options->recv_count ; i++) { - post = ib_verbs_get_post (&device->recvq); - if (ib_verbs_post_recv (device->srq, post) != 0) { - ret = -1; - break; - } - } - } - - if (ret) - ib_verbs_destroy_posts (this); - - return ret; -} - - -static int32_t -ib_verbs_connect_qp (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = &priv->options; - struct ibv_qp_attr attr = { - .qp_state = IBV_QPS_RTR, - .path_mtu = options->mtu, - .dest_qp_num = priv->peer.remote_qpn, - .rq_psn = priv->peer.remote_psn, - .max_dest_rd_atomic = 1, - .min_rnr_timer = 12, - .ah_attr = { - .is_global = 0, - .dlid = priv->peer.remote_lid, - .sl = 0, - .src_path_bits = 0, - .port_num = options->port - } - }; - if (ibv_modify_qp (priv->peer.qp, &attr, - IBV_QP_STATE | - IBV_QP_AV | - IBV_QP_PATH_MTU | - IBV_QP_DEST_QPN | - IBV_QP_RQ_PSN | - IBV_QP_MAX_DEST_RD_ATOMIC | - IBV_QP_MIN_RNR_TIMER)) { - gf_log ("transport/ib-verbs", - GF_LOG_CRITICAL, - "Failed to modify QP to RTR\n"); - return -1; - } - - /* TODO: make timeout and retry_cnt configurable from options */ - attr.qp_state = IBV_QPS_RTS; - attr.timeout = 14; - attr.retry_cnt = 7; - attr.rnr_retry = 7; - attr.sq_psn = priv->peer.local_psn; - attr.max_rd_atomic = 1; - if (ibv_modify_qp (priv->peer.qp, &attr, - IBV_QP_STATE | - IBV_QP_TIMEOUT | - IBV_QP_RETRY_CNT | - IBV_QP_RNR_RETRY | - IBV_QP_SQ_PSN | - IBV_QP_MAX_QP_RD_ATOMIC)) { - gf_log ("transport/ib-verbs", - GF_LOG_CRITICAL, - "Failed to modify QP to RTS\n"); - return -1; - } - - return 0; -} - -static int32_t -__ib_verbs_teardown (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - - __ib_verbs_destroy_qp (this); - - if (!list_empty (&priv->peer.ioq)) { - __ib_verbs_ioq_flush (&priv->peer); - } - - /* TODO: decrement cq size */ - return 0; -} - -/* - * return value: - * 0 = success (completed) - * -1 = error - * > 0 = incomplete - */ - -static int -__tcp_rwv (transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count, - int write) -{ - ib_verbs_private_t *priv = NULL; - int sock = -1; - int ret = -1; - struct iovec *opvector = vector; - int opcount = count; - int moved = 0; - - priv = this->private; - sock = priv->sock; - - while (opcount) - { - if (write) - { - ret = writev (sock, opvector, opcount); - - if (ret == 0 || (ret == -1 && errno == EAGAIN)) - { - /* done for now */ - break; - } - } - else - { - ret = readv (sock, opvector, opcount); - - if (ret == -1 && errno == EAGAIN) - { - /* done for now */ - break; - } - } - - if (ret == 0) - { - gf_log (this->xl->name, GF_LOG_DEBUG, - "EOF from peer %s", this->peerinfo.identifier); - opcount = -1; - errno = ENOTCONN; - break; - } - - if (ret == -1) - { - if (errno == EINTR) - continue; - - gf_log (this->xl->name, GF_LOG_DEBUG, - "%s failed (%s)", write ? "writev" : "readv", - strerror (errno)); - if (write && !priv->connected && - (errno == ECONNREFUSED)) - gf_log (this->xl->name, GF_LOG_ERROR, - "possible mismatch of 'transport-type'" - " in protocol server and client. " - "check volume file"); - opcount = -1; - break; - } - - moved = 0; - - while (moved < ret) - { - if ((ret - moved) >= opvector[0].iov_len) - { - moved += opvector[0].iov_len; - opvector++; - opcount--; - } - else - { - opvector[0].iov_len -= (ret - moved); - opvector[0].iov_base += (ret - moved); - moved += (ret - moved); - } - while (opcount && !opvector[0].iov_len) - { - opvector++; - opcount--; - } - } - } - - if (pending_vector) - *pending_vector = opvector; - - if (pending_count) - *pending_count = opcount; - - return opcount; -} - - -static int -__tcp_readv (transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count) -{ - int ret = -1; - - ret = __tcp_rwv (this, vector, count, - pending_vector, pending_count, 0); - - return ret; -} - - -static int -__tcp_writev (transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count) -{ - int ret = -1; - ib_verbs_private_t *priv = this->private; - - ret = __tcp_rwv (this, vector, count, pending_vector, - pending_count, 1); - - if (ret > 0) { - /* TODO: Avoid multiple calls when socket is already - registered for POLLOUT */ - priv->idx = event_select_on (this->xl->ctx->event_pool, - priv->sock, priv->idx, -1, 1); - } else if (ret == 0) { - priv->idx = event_select_on (this->xl->ctx->event_pool, - priv->sock, - priv->idx, -1, 0); - } - - return ret; -} - - -static void * -ib_verbs_recv_completion_proc (void *data) -{ - struct ibv_comp_channel *chan = data; - ib_verbs_private_t *priv = NULL; - ib_verbs_device_t *device; - ib_verbs_post_t *post; - ib_verbs_peer_t *peer; - struct ibv_cq *event_cq; - struct ibv_wc wc; - void *event_ctx; - int32_t ret = 0; - - - while (1) { - ret = ibv_get_cq_event (chan, &event_cq, &event_ctx); - if (ret) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "ibv_get_cq_event failed, terminating recv " - "thread %d (%d)", ret, errno); - continue; - } - - device = event_ctx; - - ret = ibv_req_notify_cq (event_cq, 0); - if (ret) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "ibv_req_notify_cq on %s failed, terminating " - "recv thread: %d (%d)", - device->device_name, ret, errno); - continue; - } - - device = (ib_verbs_device_t *) event_ctx; - - while ((ret = ibv_poll_cq (event_cq, 1, &wc)) > 0) { - post = (ib_verbs_post_t *) (long) wc.wr_id; - - pthread_mutex_lock (&device->qpreg.lock); - { - peer = __ib_verbs_lookup_peer (device, - wc.qp_num); - - /* - * keep a refcount on transport so that it - * doesnot get freed because of some error - * indicated by wc.status till we are done - * with usage of peer and thereby that of trans. - */ - if (peer != NULL) { - transport_ref (peer->trans); - } - } - pthread_mutex_unlock (&device->qpreg.lock); - - if (wc.status != IBV_WC_SUCCESS) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "recv work request on `%s' returned " - "error (%d)", - device->device_name, - wc.status); - if (peer) { - transport_unref (peer->trans); - transport_disconnect (peer->trans); - } - - if (post) { - ib_verbs_post_recv (device->srq, post); - } - continue; - } - - if (peer) { - priv = peer->trans->private; - - pthread_mutex_lock (&priv->recv_mutex); - { - while (priv->data_ptr) - pthread_cond_wait (&priv->recv_cond, - &priv->recv_mutex); - - priv->data_ptr = post->buf; - priv->data_offset = 0; - priv->data_len = wc.byte_len; - - /*pthread_cond_broadcast (&priv->recv_cond);*/ - } - pthread_mutex_unlock (&priv->recv_mutex); - - if ((ret = xlator_notify (peer->trans->xl, GF_EVENT_POLLIN, - peer->trans, NULL)) == -1) { - gf_log ("transport/ib-verbs", - GF_LOG_DEBUG, - "pollin notification to %s " - "failed, disconnecting " - "transport", - peer->trans->xl->name); - transport_disconnect (peer->trans); - } - - transport_unref (peer->trans); - } else { - gf_log ("transport/ib-verbs", - GF_LOG_DEBUG, - "could not lookup peer for qp_num: %d", - wc.qp_num); - } - ib_verbs_post_recv (device->srq, post); - } - - if (ret < 0) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "ibv_poll_cq on `%s' returned error " - "(ret = %d, errno = %d)", - device->device_name, ret, errno); - continue; - } - ibv_ack_cq_events (event_cq, 1); - } - return NULL; -} - - -static void * -ib_verbs_send_completion_proc (void *data) -{ - struct ibv_comp_channel *chan = data; - ib_verbs_post_t *post; - ib_verbs_peer_t *peer; - struct ibv_cq *event_cq; - void *event_ctx; - ib_verbs_device_t *device; - struct ibv_wc wc; - int32_t ret; - - while (1) { - ret = ibv_get_cq_event (chan, &event_cq, &event_ctx); - if (ret) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "ibv_get_cq_event on failed, terminating " - "send thread: %d (%d)", ret, errno); - continue; - } - - device = event_ctx; - - ret = ibv_req_notify_cq (event_cq, 0); - if (ret) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "ibv_req_notify_cq on %s failed, terminating " - "send thread: %d (%d)", - device->device_name, ret, errno); - continue; - } - - while ((ret = ibv_poll_cq (event_cq, 1, &wc)) > 0) { - post = (ib_verbs_post_t *) (long) wc.wr_id; - - pthread_mutex_lock (&device->qpreg.lock); - { - peer = __ib_verbs_lookup_peer (device, - wc.qp_num); - - /* - * keep a refcount on transport so that it - * doesnot get freed because of some error - * indicated by wc.status till we are done - * with usage of peer and thereby that of trans. - */ - if (peer != NULL) { - transport_ref (peer->trans); - } - } - pthread_mutex_unlock (&device->qpreg.lock); - - if (wc.status != IBV_WC_SUCCESS) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "send work request on `%s' returned " - "error wc.status = %d, wc.vendor_err " - "= %d, post->buf = %p, wc.byte_len = " - "%d, post->reused = %d", - device->device_name, wc.status, - wc.vendor_err, - post->buf, wc.byte_len, post->reused); - if (wc.status == IBV_WC_RETRY_EXC_ERR) - gf_log ("ib-verbs", GF_LOG_ERROR, - "connection between client and" - " server not working. check by" - " running 'ibv_srq_pingpong'. " - "also make sure subnet manager" - " is running (eg: 'opensm'), " - "or check if ib-verbs port is " - "valid (or active) by running " - " 'ibv_devinfo'. contact " - "Gluster Support Team if " - "the problem persists."); - if (peer) - transport_disconnect (peer->trans); - } - - if (post) { - ib_verbs_put_post (&device->sendq, post); - } - - if (peer) { - int quota_ret = ib_verbs_quota_put (peer); - if (quota_ret < 0) { - gf_log ("ib-verbs", GF_LOG_DEBUG, - "failed to send message"); - - } - - transport_unref (peer->trans); - } else { - gf_log ("transport/ib-verbs", GF_LOG_DEBUG, - "could not lookup peer for qp_num: %d", - wc.qp_num); - } - } - - if (ret < 0) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "ibv_poll_cq on `%s' returned error (ret = %d," - " errno = %d)", - device->device_name, ret, errno); - continue; - } - ibv_ack_cq_events (event_cq, 1); - } - - return NULL; -} - -static void -ib_verbs_options_init (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = &priv->options; - int32_t mtu; - data_t *temp; - - /* TODO: validate arguments from options below */ - - options->send_size = this->xl->ctx->page_size * 4; /* 512 KB */ - options->recv_size = this->xl->ctx->page_size * 4; /* 512 KB */ - options->send_count = 32; - options->recv_count = 32; - - temp = dict_get (this->xl->options, - "transport.ib-verbs.work-request-send-count"); - if (temp) - options->send_count = data_to_int32 (temp); - - temp = dict_get (this->xl->options, - "transport.ib-verbs.work-request-recv-count"); - if (temp) - options->recv_count = data_to_int32 (temp); - - options->port = 0; - temp = dict_get (this->xl->options, - "transport.ib-verbs.port"); - if (temp) - options->port = data_to_uint64 (temp); - - options->mtu = mtu = IBV_MTU_2048; - temp = dict_get (this->xl->options, - "transport.ib-verbs.mtu"); - if (temp) - mtu = data_to_int32 (temp); - switch (mtu) { - case 256: options->mtu = IBV_MTU_256; - break; - case 512: options->mtu = IBV_MTU_512; - break; - case 1024: options->mtu = IBV_MTU_1024; - break; - case 2048: options->mtu = IBV_MTU_2048; - break; - case 4096: options->mtu = IBV_MTU_4096; - break; - default: - if (temp) - gf_log ("transport/ib-verbs", GF_LOG_WARNING, - "%s: unrecognized MTU value '%s', defaulting " - "to '2048'", this->xl->name, - data_to_str (temp)); - else - gf_log ("transport/ib-verbs", GF_LOG_TRACE, - "%s: defaulting MTU to '2048'", - this->xl->name); - options->mtu = IBV_MTU_2048; - break; - } - - temp = dict_get (this->xl->options, - "transport.ib-verbs.device-name"); - if (temp) - options->device_name = gf_strdup (temp->data); - - return; -} - -static void -ib_verbs_queue_init (ib_verbs_queue_t *queue) -{ - pthread_mutex_init (&queue->lock, NULL); - - queue->active_posts.next = &queue->active_posts; - queue->active_posts.prev = &queue->active_posts; - queue->passive_posts.next = &queue->passive_posts; - queue->passive_posts.prev = &queue->passive_posts; -} - - -static ib_verbs_device_t * -ib_verbs_get_device (transport_t *this, - struct ibv_context *ibctx) -{ - glusterfs_ctx_t *ctx = this->xl->ctx; - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = &priv->options; - char *device_name = priv->options.device_name; - uint32_t port = priv->options.port; - - uint8_t active_port = 0; - int32_t ret = 0; - int32_t i = 0; - - ib_verbs_device_t *trav; - - trav = ctx->ib; - while (trav) { - if ((!strcmp (trav->device_name, device_name)) && - (trav->port == port)) - break; - trav = trav->next; - } - - if (!trav) { - - trav = GF_CALLOC (1, sizeof (*trav), - gf_ibv_mt_ib_verbs_device_t); - if (!trav) - return NULL; - priv->device = trav; - - trav->context = ibctx; - - ret = ib_get_active_port (trav->context); - - if (ret < 0) { - if (!port) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "Failed to find any active ports and " - "none specified in volume file," - " exiting"); - return NULL; - } - } - - active_port = ret; - - if (port) { - ret = ib_check_active_port (trav->context, port); - if (ret < 0) { - gf_log ("transport/ib-verbs", GF_LOG_WARNING, - "On device %s: provided port:%u is " - "found to be offline, continuing to " - "use the same port", device_name, port); - } - } else { - priv->options.port = active_port; - port = active_port; - gf_log ("transport/ib-verbs", GF_LOG_TRACE, - "Port unspecified in volume file using active " - "port: %u", port); - } - - trav->device_name = gf_strdup (device_name); - trav->port = port; - - trav->next = ctx->ib; - ctx->ib = trav; - - trav->send_chan = ibv_create_comp_channel (trav->context); - if (!trav->send_chan) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: could not create send completion channel", - device_name); - /* TODO: cleanup current mess */ - return NULL; - } - - trav->recv_chan = ibv_create_comp_channel (trav->context); - if (!trav->recv_chan) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "could not create recv completion channel"); - /* TODO: cleanup current mess */ - return NULL; - } - - if (ib_verbs_create_cq (this) < 0) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: could not create CQ", - this->xl->name); - return NULL; - } - - /* protection domain */ - trav->pd = ibv_alloc_pd (trav->context); - - if (!trav->pd) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: could not allocate protection domain", - this->xl->name); - return NULL; - } - - struct ibv_srq_init_attr attr = { - .attr = { - .max_wr = options->recv_count, - .max_sge = 1 - } - }; - trav->srq = ibv_create_srq (trav->pd, &attr); - - if (!trav->srq) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: could not create SRQ", - this->xl->name); - return NULL; - } - - /* queue init */ - ib_verbs_queue_init (&trav->sendq); - ib_verbs_queue_init (&trav->recvq); - - if (ib_verbs_create_posts (this) < 0) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: could not allocate posts", - this->xl->name); - return NULL; - } - - /* completion threads */ - ret = pthread_create (&trav->send_thread, - NULL, - ib_verbs_send_completion_proc, - trav->send_chan); - if (ret) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "could not create send completion thread"); - return NULL; - } - ret = pthread_create (&trav->recv_thread, - NULL, - ib_verbs_recv_completion_proc, - trav->recv_chan); - if (ret) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "could not create recv completion thread"); - return NULL; - } - - /* qpreg */ - pthread_mutex_init (&trav->qpreg.lock, NULL); - for (i=0; i<42; i++) { - trav->qpreg.ents[i].next = &trav->qpreg.ents[i]; - trav->qpreg.ents[i].prev = &trav->qpreg.ents[i]; - } - } - return trav; -} - -static int32_t -ib_verbs_init (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = &priv->options; - struct ibv_device **dev_list; - struct ibv_context *ib_ctx = NULL; - int32_t ret = 0; - - ib_verbs_options_init (this); - - { - dev_list = ibv_get_device_list (NULL); - - if (!dev_list) { - gf_log ("transport/ib-verbs", - GF_LOG_CRITICAL, - "Failed to get IB devices"); - ret = -1; - goto cleanup; - } - - if (!*dev_list) { - gf_log ("transport/ib-verbs", - GF_LOG_CRITICAL, - "No IB devices found"); - ret = -1; - goto cleanup; - } - - if (!options->device_name) { - if (*dev_list) { - options->device_name = - gf_strdup (ibv_get_device_name (*dev_list)); - } else { - gf_log ("transport/ib-verbs", GF_LOG_CRITICAL, - "IB device list is empty. Check for " - "'ib_uverbs' module"); - return -1; - goto cleanup; - } - } - - while (*dev_list) { - if (!strcmp (ibv_get_device_name (*dev_list), - options->device_name)) { - ib_ctx = ibv_open_device (*dev_list); - - if (!ib_ctx) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "Failed to get infiniband" - "device context"); - ret = -1; - goto cleanup; - } - break; - } - ++dev_list; - } - - priv->device = ib_verbs_get_device (this, ib_ctx); - - if (!priv->device) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "could not create ib_verbs device for %s", - options->device_name); - ret = -1; - goto cleanup; - } - } - - priv->peer.trans = this; - INIT_LIST_HEAD (&priv->peer.ioq); - - pthread_mutex_init (&priv->read_mutex, NULL); - pthread_mutex_init (&priv->write_mutex, NULL); - pthread_mutex_init (&priv->recv_mutex, NULL); - pthread_cond_init (&priv->recv_cond, NULL); - -cleanup: - if (-1 == ret) { - if (ib_ctx) - ibv_close_device (ib_ctx); - } - - if (dev_list) - ibv_free_device_list (dev_list); - - return ret; -} - - -static int32_t -ib_verbs_disconnect (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - int32_t ret = 0; - - pthread_mutex_lock (&priv->write_mutex); - { - ret = __ib_verbs_disconnect (this); - } - pthread_mutex_unlock (&priv->write_mutex); - - return ret; -} - - -static int32_t -__tcp_connect_finish (int fd) -{ - int ret = -1; - int optval = 0; - socklen_t optlen = sizeof (int); - - ret = getsockopt (fd, SOL_SOCKET, SO_ERROR, - (void *)&optval, &optlen); - - if (ret == 0 && optval) - { - errno = optval; - ret = -1; - } - - return ret; -} - -static inline void -ib_verbs_fill_handshake_data (char *buf, struct ib_verbs_nbio *nbio, - ib_verbs_private_t *priv) -{ - sprintf (buf, - "QP1:RECV_BLKSIZE=%08x:SEND_BLKSIZE=%08x\n" - "QP1:LID=%04x:QPN=%06x:PSN=%06x\n", - priv->peer.recv_size, - priv->peer.send_size, - priv->peer.local_lid, - priv->peer.local_qpn, - priv->peer.local_psn); - - nbio->vector.iov_base = buf; - nbio->vector.iov_len = strlen (buf) + 1; - nbio->count = 1; - return; -} - -static inline void -ib_verbs_fill_handshake_ack (char *buf, struct ib_verbs_nbio *nbio) -{ - sprintf (buf, "DONE\n"); - nbio->vector.iov_base = buf; - nbio->vector.iov_len = strlen (buf) + 1; - nbio->count = 1; - return; -} - -static int -ib_verbs_handshake_pollin (transport_t *this) -{ - int ret = 0; - ib_verbs_private_t *priv = this->private; - char *buf = priv->handshake.incoming.buf; - int32_t recv_buf_size, send_buf_size; - socklen_t sock_len; - - if (priv->handshake.incoming.state == IB_VERBS_HANDSHAKE_COMPLETE) { - return -1; - } - - pthread_mutex_lock (&priv->write_mutex); - { - while (priv->handshake.incoming.state != IB_VERBS_HANDSHAKE_COMPLETE) - { - switch (priv->handshake.incoming.state) - { - case IB_VERBS_HANDSHAKE_START: - buf = priv->handshake.incoming.buf = GF_CALLOC (1, 256, gf_ibv_mt_char); - ib_verbs_fill_handshake_data (buf, &priv->handshake.incoming, priv); - buf[0] = 0; - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVING_DATA; - break; - - case IB_VERBS_HANDSHAKE_RECEIVING_DATA: - ret = __tcp_readv (this, - &priv->handshake.incoming.vector, - priv->handshake.incoming.count, - &priv->handshake.incoming.pending_vector, - &priv->handshake.incoming.pending_count); - if (ret == -1) { - goto unlock; - } - - if (ret > 0) { - gf_log (this->xl->name, GF_LOG_TRACE, - "partial header read on NB socket. continue later"); - goto unlock; - } - - if (!ret) { - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVED_DATA; - } - break; - - case IB_VERBS_HANDSHAKE_RECEIVED_DATA: - ret = sscanf (buf, - "QP1:RECV_BLKSIZE=%08x:SEND_BLKSIZE=%08x\n" - "QP1:LID=%04x:QPN=%06x:PSN=%06x\n", - &recv_buf_size, - &send_buf_size, - &priv->peer.remote_lid, - &priv->peer.remote_qpn, - &priv->peer.remote_psn); - - if ((ret != 5) && (strncmp (buf, "QP1:", 4))) { - gf_log ("transport/ib-verbs", - GF_LOG_CRITICAL, - "%s: remote-host(%s)'s " - "transport type is different", - this->xl->name, - this->peerinfo.identifier); - ret = -1; - goto unlock; - } - - if (recv_buf_size < priv->peer.recv_size) - priv->peer.recv_size = recv_buf_size; - if (send_buf_size < priv->peer.send_size) - priv->peer.send_size = send_buf_size; - - gf_log ("transport/ib-verbs", GF_LOG_TRACE, - "%s: transacted recv_size=%d " - "send_size=%d", - this->xl->name, priv->peer.recv_size, - priv->peer.send_size); - - priv->peer.quota = priv->peer.send_count; - - if (ib_verbs_connect_qp (this)) { - gf_log ("transport/ib-verbs", - GF_LOG_ERROR, - "%s: failed to connect with " - "remote QP", this->xl->name); - ret = -1; - goto unlock; - } - ib_verbs_fill_handshake_ack (buf, &priv->handshake.incoming); - buf[0] = 0; - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVING_ACK; - break; - - case IB_VERBS_HANDSHAKE_RECEIVING_ACK: - ret = __tcp_readv (this, - &priv->handshake.incoming.vector, - priv->handshake.incoming.count, - &priv->handshake.incoming.pending_vector, - &priv->handshake.incoming.pending_count); - if (ret == -1) { - goto unlock; - } - - if (ret > 0) { - gf_log (this->xl->name, GF_LOG_TRACE, - "partial header read on NB " - "socket. continue later"); - goto unlock; - } - - if (!ret) { - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVED_ACK; - } - break; - - case IB_VERBS_HANDSHAKE_RECEIVED_ACK: - if (strncmp (buf, "DONE", 4)) { - gf_log ("transport/ib-verbs", - GF_LOG_DEBUG, - "%s: handshake-3 did not " - "return 'DONE' (%s)", - this->xl->name, buf); - ret = -1; - goto unlock; - } - ret = 0; - priv->connected = 1; - sock_len = sizeof (struct sockaddr_storage); - getpeername (priv->sock, - (struct sockaddr *) &this->peerinfo.sockaddr, - &sock_len); - - GF_FREE (priv->handshake.incoming.buf); - priv->handshake.incoming.buf = NULL; - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_COMPLETE; - } - } - } -unlock: - pthread_mutex_unlock (&priv->write_mutex); - - if (ret == -1) { - transport_disconnect (this); - } else { - ret = 0; - } - - if (!ret && priv->connected) { - ret = xlator_notify (this->xl, GF_EVENT_CHILD_UP, this); - } - - return ret; -} - -static int -ib_verbs_handshake_pollout (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - char *buf = priv->handshake.outgoing.buf; - int32_t ret = 0; - - if (priv->handshake.outgoing.state == IB_VERBS_HANDSHAKE_COMPLETE) { - return 0; - } - - pthread_mutex_unlock (&priv->write_mutex); - { - while (priv->handshake.outgoing.state != IB_VERBS_HANDSHAKE_COMPLETE) - { - switch (priv->handshake.outgoing.state) - { - case IB_VERBS_HANDSHAKE_START: - buf = priv->handshake.outgoing.buf = GF_CALLOC (1, 256, gf_ibv_mt_char); - ib_verbs_fill_handshake_data (buf, &priv->handshake.outgoing, priv); - priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_SENDING_DATA; - break; - - case IB_VERBS_HANDSHAKE_SENDING_DATA: - ret = __tcp_writev (this, - &priv->handshake.outgoing.vector, - priv->handshake.outgoing.count, - &priv->handshake.outgoing.pending_vector, - &priv->handshake.outgoing.pending_count); - if (ret == -1) { - goto unlock; - } - - if (ret > 0) { - gf_log (this->xl->name, GF_LOG_TRACE, - "partial header read on NB socket. continue later"); - goto unlock; - } - - if (!ret) { - priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_SENT_DATA; - } - break; - - case IB_VERBS_HANDSHAKE_SENT_DATA: - ib_verbs_fill_handshake_ack (buf, &priv->handshake.outgoing); - priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_SENDING_ACK; - break; - - case IB_VERBS_HANDSHAKE_SENDING_ACK: - ret = __tcp_writev (this, - &priv->handshake.outgoing.vector, - priv->handshake.outgoing.count, - &priv->handshake.outgoing.pending_vector, - &priv->handshake.outgoing.pending_count); - - if (ret == -1) { - goto unlock; - } - - if (ret > 0) { - gf_log (this->xl->name, GF_LOG_TRACE, - "partial header read on NB " - "socket. continue later"); - goto unlock; - } - - if (!ret) { - GF_FREE (priv->handshake.outgoing.buf); - priv->handshake.outgoing.buf = NULL; - priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_COMPLETE; - } - break; - } - } - } -unlock: - pthread_mutex_unlock (&priv->write_mutex); - - if (ret == -1) { - transport_disconnect (this); - } else { - ret = 0; - } - - return ret; -} - -static int -ib_verbs_handshake_pollerr (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - int32_t ret = 0; - char need_unref = 0; - - gf_log ("transport/ib-verbs", GF_LOG_DEBUG, - "%s: peer disconnected, cleaning up", - this->xl->name); - - pthread_mutex_lock (&priv->write_mutex); - { - __ib_verbs_teardown (this); - - if (priv->sock != -1) { - event_unregister (this->xl->ctx->event_pool, - priv->sock, priv->idx); - need_unref = 1; - - if (close (priv->sock) != 0) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "close () - error: %s", - strerror (errno)); - ret = -errno; - } - priv->tcp_connected = priv->connected = 0; - priv->sock = -1; - } - - if (priv->handshake.incoming.buf) { - GF_FREE (priv->handshake.incoming.buf); - priv->handshake.incoming.buf = NULL; - } - - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_START; - - if (priv->handshake.outgoing.buf) { - GF_FREE (priv->handshake.outgoing.buf); - priv->handshake.outgoing.buf = NULL; - } - - priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_START; - } - pthread_mutex_unlock (&priv->write_mutex); - - xlator_notify (this->xl, GF_EVENT_POLLERR, this, NULL); - - if (need_unref) - transport_unref (this); - - return 0; -} - - -static int -tcp_connect_finish (transport_t *this) -{ - ib_verbs_private_t *priv = this->private; - int error = 0, ret = 0; - - pthread_mutex_lock (&priv->write_mutex); - { - ret = __tcp_connect_finish (priv->sock); - - if (!ret) { - this->myinfo.sockaddr_len = - sizeof (this->myinfo.sockaddr); - ret = getsockname (priv->sock, - (struct sockaddr *)&this->myinfo.sockaddr, - &this->myinfo.sockaddr_len); - if (ret == -1) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "getsockname on new client-socket %d " - "failed (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - error = 1; - goto unlock; - } - - gf_ibverbs_get_transport_identifiers (this); - priv->tcp_connected = 1; - } - - if (ret == -1 && errno != EINPROGRESS) { - gf_log (this->xl->name, GF_LOG_ERROR, - "tcp connect to %s failed (%s)", - this->peerinfo.identifier, strerror (errno)); - error = 1; - } - } -unlock: - pthread_mutex_unlock (&priv->write_mutex); - - if (error) { - transport_disconnect (this); - } - - return ret; -} - -static int -ib_verbs_event_handler (int fd, int idx, void *data, - int poll_in, int poll_out, int poll_err) -{ - transport_t *this = data; - ib_verbs_private_t *priv = this->private; - ib_verbs_options_t *options = NULL; - int ret = 0; - - if (!priv->tcp_connected) { - ret = tcp_connect_finish (this); - if (priv->tcp_connected) { - options = &priv->options; - - priv->peer.send_count = options->send_count; - priv->peer.recv_count = options->recv_count; - priv->peer.send_size = options->send_size; - priv->peer.recv_size = options->recv_size; - - if ((ret = ib_verbs_create_qp (this)) < 0) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: could not create QP", - this->xl->name); - transport_disconnect (this); - } - } - } - - if (!ret && poll_out && priv->tcp_connected) { - ret = ib_verbs_handshake_pollout (this); - } - - if (!ret && poll_in && priv->tcp_connected) { - if (priv->handshake.incoming.state == IB_VERBS_HANDSHAKE_COMPLETE) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: pollin received on tcp socket (peer: %s) " - "after handshake is complete", - this->xl->name, this->peerinfo.identifier); - ib_verbs_handshake_pollerr (this); - return 0; - } - ret = ib_verbs_handshake_pollin (this); - } - - if (ret < 0 || poll_err) { - ret = ib_verbs_handshake_pollerr (this); - } - - return 0; -} - -static int -__tcp_nonblock (int fd) -{ - int flags = 0; - int ret = -1; - - flags = fcntl (fd, F_GETFL); - - if (flags != -1) - ret = fcntl (fd, F_SETFL, flags | O_NONBLOCK); - - return ret; -} - -static int32_t -ib_verbs_connect (struct transport *this) -{ - dict_t *options = this->xl->options; - - ib_verbs_private_t *priv = this->private; - - int32_t ret = 0; - gf_boolean_t non_blocking = 1; - struct sockaddr_storage sockaddr; - socklen_t sockaddr_len = 0; - - if (priv->connected) { - return 0; - } - - if (dict_get (options, "non-blocking-io")) { - char *nb_connect = data_to_str (dict_get (this->xl->options, - "non-blocking-io")); - - if (gf_string2boolean (nb_connect, &non_blocking) == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "'non-blocking-io' takes only boolean " - "options, not taking any action"); - non_blocking = 1; - } - } - - ret = gf_ibverbs_client_get_remote_sockaddr (this, - (struct sockaddr *)&sockaddr, - &sockaddr_len); - if (ret != 0) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "cannot get remote address to connect"); - return ret; - } - - pthread_mutex_lock (&priv->write_mutex); - { - if (priv->sock != -1) { - ret = 0; - goto unlock; - } - - priv->sock = socket (((struct sockaddr *)&sockaddr)->sa_family, - SOCK_STREAM, 0); - - if (priv->sock == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "socket () - error: %s", strerror (errno)); - ret = -errno; - goto unlock; - } - - gf_log (this->xl->name, GF_LOG_TRACE, - "socket fd = %d", priv->sock); - - memcpy (&this->peerinfo.sockaddr, &sockaddr, sockaddr_len); - this->peerinfo.sockaddr_len = sockaddr_len; - - ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family = - ((struct sockaddr *)&this->peerinfo.sockaddr)->sa_family; - - if (non_blocking) - { - ret = __tcp_nonblock (priv->sock); - - if (ret == -1) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "could not set socket %d to non " - "blocking mode (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - } - - ret = gf_ibverbs_client_bind (this, - (struct sockaddr *)&this->myinfo.sockaddr, - &this->myinfo.sockaddr_len, priv->sock); - if (ret == -1) - { - gf_log (this->xl->name, GF_LOG_WARNING, - "client bind failed: %s", strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - ret = connect (priv->sock, - (struct sockaddr *)&this->peerinfo.sockaddr, - this->peerinfo.sockaddr_len); - if (ret == -1 && errno != EINPROGRESS) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "connection attempt failed (%s)", - strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - priv->tcp_connected = priv->connected = 0; - - transport_ref (this); - - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_START; - priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_START; - - priv->idx = event_register (this->xl->ctx->event_pool, - priv->sock, ib_verbs_event_handler, - this, 1, 1); - } -unlock: - pthread_mutex_unlock (&priv->write_mutex); - - return ret; -} - -static int -ib_verbs_server_event_handler (int fd, int idx, void *data, - int poll_in, int poll_out, int poll_err) -{ - int32_t main_sock = -1; - transport_t *this, *trans = data; - ib_verbs_private_t *priv = NULL; - ib_verbs_private_t *trans_priv = (ib_verbs_private_t *) trans->private; - ib_verbs_options_t *options = NULL; - - if (!poll_in) - return 0; - - this = GF_CALLOC (1, sizeof (transport_t), - gf_ibv_mt_transport_t); - if (!this) - return 0; - - priv = GF_CALLOC (1, sizeof (ib_verbs_private_t), - gf_ibv_mt_ib_verbs_private_t); - if (!priv) { - GF_FREE (this); - return 0; - } - - this->private = priv; - /* Copy all the ib_verbs related values in priv, from trans_priv - as other than QP, all the values remain same */ - priv->device = trans_priv->device; - priv->options = trans_priv->options; - options = &priv->options; - - this->ops = trans->ops; - this->xl = trans->xl; - this->init = trans->init; - this->fini = trans->fini; - - memcpy (&this->myinfo.sockaddr, &trans->myinfo.sockaddr, - trans->myinfo.sockaddr_len); - this->myinfo.sockaddr_len = trans->myinfo.sockaddr_len; - - main_sock = (trans_priv)->sock; - this->peerinfo.sockaddr_len = sizeof (this->peerinfo.sockaddr); - priv->sock = accept (main_sock, - (struct sockaddr *)&this->peerinfo.sockaddr, - &this->peerinfo.sockaddr_len); - if (priv->sock == -1) { - gf_log ("ib-verbs/server", GF_LOG_ERROR, - "accept() failed: %s", - strerror (errno)); - GF_FREE (this->private); - GF_FREE (this); - return -1; - } - - priv->peer.trans = this; - transport_ref (this); - - gf_ibverbs_get_transport_identifiers (this); - - priv->tcp_connected = 1; - priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_START; - priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_START; - - priv->peer.send_count = options->send_count; - priv->peer.recv_count = options->recv_count; - priv->peer.send_size = options->send_size; - priv->peer.recv_size = options->recv_size; - INIT_LIST_HEAD (&priv->peer.ioq); - - if (ib_verbs_create_qp (this) < 0) { - gf_log ("transport/ib-verbs", GF_LOG_ERROR, - "%s: could not create QP", - this->xl->name); - transport_disconnect (this); - return -1; - } - - priv->idx = event_register (this->xl->ctx->event_pool, priv->sock, - ib_verbs_event_handler, this, 1, 1); - - pthread_mutex_init (&priv->read_mutex, NULL); - pthread_mutex_init (&priv->write_mutex, NULL); - pthread_mutex_init (&priv->recv_mutex, NULL); - /* pthread_cond_init (&priv->recv_cond, NULL); */ - - return 0; -} - -static int32_t -ib_verbs_listen (transport_t *this) -{ - struct sockaddr_storage sockaddr; - socklen_t sockaddr_len; - ib_verbs_private_t *priv = this->private; - int opt = 1, ret = 0; - char service[NI_MAXSERV], host[NI_MAXHOST]; - - memset (&sockaddr, 0, sizeof (sockaddr)); - ret = gf_ibverbs_server_get_local_sockaddr (this, - (struct sockaddr *)&sockaddr, - &sockaddr_len); - if (ret != 0) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "cannot find network address of server to bind to"); - goto err; - } - - priv->sock = socket (((struct sockaddr *)&sockaddr)->sa_family, - SOCK_STREAM, 0); - if (priv->sock == -1) { - gf_log ("ib-verbs/server", GF_LOG_CRITICAL, - "init: failed to create socket, error: %s", - strerror (errno)); - GF_FREE (this->private); - ret = -1; - goto err; - } - - memcpy (&this->myinfo.sockaddr, &sockaddr, sockaddr_len); - this->myinfo.sockaddr_len = sockaddr_len; - - ret = getnameinfo ((struct sockaddr *)&this->myinfo.sockaddr, - this->myinfo.sockaddr_len, - host, sizeof (host), - service, sizeof (service), - NI_NUMERICHOST); - if (ret != 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "getnameinfo failed (%s)", gai_strerror (ret)); - goto err; - } - sprintf (this->myinfo.identifier, "%s:%s", host, service); - - setsockopt (priv->sock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof (opt)); - if (bind (priv->sock, - (struct sockaddr *)&sockaddr, - sockaddr_len) != 0) { - ret = -1; - gf_log ("ib-verbs/server", GF_LOG_ERROR, - "init: failed to bind to socket for %s (%s)", - this->myinfo.identifier, strerror (errno)); - goto err; - } - - if (listen (priv->sock, 10) != 0) { - gf_log ("ib-verbs/server", GF_LOG_ERROR, - "init: listen () failed on socket for %s (%s)", - this->myinfo.identifier, strerror (errno)); - ret = -1; - goto err; - } - - /* Register the main socket */ - priv->idx = event_register (this->xl->ctx->event_pool, priv->sock, - ib_verbs_server_event_handler, - transport_ref (this), 1, 0); - -err: - return ret; -} - -struct transport_ops tops = { - .receive = ib_verbs_receive, - .submit = ib_verbs_submit, - .connect = ib_verbs_connect, - .disconnect = ib_verbs_disconnect, - .listen = ib_verbs_listen, -}; - -int32_t -init (transport_t *this) -{ - ib_verbs_private_t *priv = GF_CALLOC (1, sizeof (*priv), - gf_ibv_mt_ib_verbs_private_t); - this->private = priv; - priv->sock = -1; - - if (ib_verbs_init (this)) { - gf_log (this->xl->name, GF_LOG_ERROR, - "Failed to initialize IB Device"); - return -1; - } - - return 0; -} - -void -fini (struct transport *this) -{ - /* TODO: verify this function does graceful finish */ - ib_verbs_private_t *priv = this->private; - this->private = NULL; - - pthread_mutex_destroy (&priv->recv_mutex); - pthread_mutex_destroy (&priv->write_mutex); - pthread_mutex_destroy (&priv->read_mutex); - /* pthread_cond_destroy (&priv->recv_cond); */ - - gf_log (this->xl->name, GF_LOG_TRACE, - "called fini on transport: %p", - this); - GF_FREE (priv); - return; -} - -int32_t -mem_acct_init (xlator_t *this) -{ - int ret = -1; - - if (!this) - return ret; - - ret = xlator_mem_acct_init (this, gf_common_mt_end + 1); - - if (ret != 0) { - gf_log (this->name, GF_LOG_ERROR, "Memory accounting init" - "failed"); - return ret; - } - - return ret; -} - -/* TODO: expand each option */ -struct volume_options options[] = { - { .key = {"transport.ib-verbs.port", - "ib-verbs-port"}, - .type = GF_OPTION_TYPE_INT, - .min = 1, - .max = 4, - .description = "check the option by 'ibv_devinfo'" - }, - { .key = {"transport.ib-verbs.mtu", - "ib-verbs-mtu"}, - .type = GF_OPTION_TYPE_INT, - }, - { .key = {"transport.ib-verbs.device-name", - "ib-verbs-device-name"}, - .type = GF_OPTION_TYPE_ANY, - .description = "check by 'ibv_devinfo'" - }, - { .key = {"transport.ib-verbs.work-request-send-count", - "ib-verbs-work-request-send-count"}, - .type = GF_OPTION_TYPE_INT, - }, - { .key = {"transport.ib-verbs.work-request-recv-count", - "ib-verbs-work-request-recv-count"}, - .type = GF_OPTION_TYPE_INT, - }, - { .key = {"remote-port", - "transport.remote-port", - "transport.ib-verbs.remote-port"}, - .type = GF_OPTION_TYPE_INT - }, - { .key = {"transport.ib-verbs.listen-port", "listen-port"}, - .type = GF_OPTION_TYPE_INT - }, - { .key = {"transport.ib-verbs.connect-path", "connect-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport.ib-verbs.bind-path", "bind-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport.ib-verbs.listen-path", "listen-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport.address-family", - "address-family"}, - .value = {"inet", "inet6", "inet/inet6", "inet6/inet", - "unix", "inet-sdp" }, - .type = GF_OPTION_TYPE_STR - }, - { .key = {"transport.socket.lowlat"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {NULL} } -}; diff --git a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.h b/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.h deleted file mode 100644 index 3818609b01f..00000000000 --- a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.h +++ /dev/null @@ -1,220 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _XPORT_IB_VERBS_H -#define _XPORT_IB_VERBS_H - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#ifndef MAX_IOVEC -#define MAX_IOVEC 16 -#endif /* MAX_IOVEC */ - -#include "xlator.h" -#include "event.h" -#include "ib-verbs-mem-types.h" - -#include <stdio.h> -#include <list.h> -#include <arpa/inet.h> -#include <infiniband/verbs.h> - -#define GF_DEFAULT_IBVERBS_LISTEN_PORT 6997 - -/* options per transport end point */ -struct _ib_verbs_options { - int32_t port; - char *device_name; - enum ibv_mtu mtu; - int32_t send_count; - int32_t recv_count; - uint64_t recv_size; - uint64_t send_size; -}; -typedef struct _ib_verbs_options ib_verbs_options_t; - - -struct _ib_verbs_header { - char colonO[3]; - uint32_t size1; - uint32_t size2; - char version; -} __attribute__((packed)); -typedef struct _ib_verbs_header ib_verbs_header_t; - -struct _ib_verbs_ioq { - union { - struct list_head list; - struct { - struct _ib_verbs_ioq *next; - struct _ib_verbs_ioq *prev; - }; - }; - ib_verbs_header_t header; - struct iovec vector[MAX_IOVEC]; - int count; - char *buf; - struct iobref *iobref; -}; -typedef struct _ib_verbs_ioq ib_verbs_ioq_t; - -/* represents one communication peer, two per transport_t */ -struct _ib_verbs_peer { - transport_t *trans; - struct ibv_qp *qp; - - int32_t recv_count; - int32_t send_count; - int32_t recv_size; - int32_t send_size; - - int32_t quota; - union { - struct list_head ioq; - struct { - ib_verbs_ioq_t *ioq_next; - ib_verbs_ioq_t *ioq_prev; - }; - }; - - /* QP attributes, needed to connect with remote QP */ - int32_t local_lid; - int32_t local_psn; - int32_t local_qpn; - int32_t remote_lid; - int32_t remote_psn; - int32_t remote_qpn; -}; -typedef struct _ib_verbs_peer ib_verbs_peer_t; - - -struct _ib_verbs_post { - struct _ib_verbs_post *next, *prev; - struct ibv_mr *mr; - char *buf; - int32_t buf_size; - char aux; - int32_t reused; - pthread_barrier_t wait; -}; -typedef struct _ib_verbs_post ib_verbs_post_t; - - -struct _ib_verbs_queue { - ib_verbs_post_t active_posts, passive_posts; - int32_t active_count, passive_count; - pthread_mutex_t lock; -}; -typedef struct _ib_verbs_queue ib_verbs_queue_t; - - -struct _ib_verbs_qpreg { - pthread_mutex_t lock; - int32_t count; - struct _qpent { - struct _qpent *next, *prev; - int32_t qp_num; - ib_verbs_peer_t *peer; - } ents[42]; -}; -typedef struct _ib_verbs_qpreg ib_verbs_qpreg_t; - -/* context per device, stored in global glusterfs_ctx_t->ib */ -struct _ib_verbs_device { - struct _ib_verbs_device *next; - const char *device_name; - struct ibv_context *context; - int32_t port; - struct ibv_pd *pd; - struct ibv_srq *srq; - ib_verbs_qpreg_t qpreg; - struct ibv_comp_channel *send_chan, *recv_chan; - struct ibv_cq *send_cq, *recv_cq; - ib_verbs_queue_t sendq, recvq; - pthread_t send_thread, recv_thread; -}; -typedef struct _ib_verbs_device ib_verbs_device_t; - -typedef enum { - IB_VERBS_HANDSHAKE_START = 0, - IB_VERBS_HANDSHAKE_SENDING_DATA, - IB_VERBS_HANDSHAKE_RECEIVING_DATA, - IB_VERBS_HANDSHAKE_SENT_DATA, - IB_VERBS_HANDSHAKE_RECEIVED_DATA, - IB_VERBS_HANDSHAKE_SENDING_ACK, - IB_VERBS_HANDSHAKE_RECEIVING_ACK, - IB_VERBS_HANDSHAKE_RECEIVED_ACK, - IB_VERBS_HANDSHAKE_COMPLETE, -} ib_verbs_handshake_state_t; - -struct ib_verbs_nbio { - int state; - char *buf; - int count; - struct iovec vector; - struct iovec *pending_vector; - int pending_count; -}; - - -struct _ib_verbs_private { - int32_t sock; - int32_t idx; - unsigned char connected; - unsigned char tcp_connected; - unsigned char ib_connected; - in_addr_t addr; - unsigned short port; - - /* IB Verbs Driver specific variables, pointers */ - ib_verbs_peer_t peer; - ib_verbs_device_t *device; - ib_verbs_options_t options; - - /* Used by trans->op->receive */ - char *data_ptr; - int32_t data_offset; - int32_t data_len; - - /* Mutex */ - pthread_mutex_t read_mutex; - pthread_mutex_t write_mutex; - pthread_barrier_t handshake_barrier; - char handshake_ret; - - pthread_mutex_t recv_mutex; - pthread_cond_t recv_cond; - - /* used during ib_verbs_handshake */ - struct { - struct ib_verbs_nbio incoming; - struct ib_verbs_nbio outgoing; - int state; - ib_verbs_header_t header; - char *buf; - size_t size; - } handshake; -}; -typedef struct _ib_verbs_private ib_verbs_private_t; - -#endif /* _XPORT_IB_VERBS_H */ diff --git a/xlators/protocol/legacy/transport/ib-verbs/src/name.c b/xlators/protocol/legacy/transport/ib-verbs/src/name.c deleted file mode 100644 index 511a33a2267..00000000000 --- a/xlators/protocol/legacy/transport/ib-verbs/src/name.c +++ /dev/null @@ -1,712 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include <sys/types.h> -#include <sys/socket.h> -#include <errno.h> -#include <netdb.h> -#include <string.h> - -#ifdef CLIENT_PORT_CEILING -#undef CLIENT_PORT_CEILING -#endif - -#define CLIENT_PORT_CEILING 1024 - -#ifndef AF_INET_SDP -#define AF_INET_SDP 27 -#endif - -#include "transport.h" -#include "ib-verbs.h" - -int32_t -gf_resolve_ip6 (const char *hostname, - uint16_t port, - int family, - void **dnscache, - struct addrinfo **addr_info); - -static int32_t -af_inet_bind_to_port_lt_ceiling (int fd, struct sockaddr *sockaddr, - socklen_t sockaddr_len, int ceiling) -{ - int32_t ret = -1; - /* struct sockaddr_in sin = {0, }; */ - uint16_t port = ceiling - 1; - - while (port) - { - switch (sockaddr->sa_family) - { - case AF_INET6: - ((struct sockaddr_in6 *)sockaddr)->sin6_port = htons (port); - break; - - case AF_INET_SDP: - case AF_INET: - ((struct sockaddr_in *)sockaddr)->sin_port = htons (port); - break; - } - - ret = bind (fd, sockaddr, sockaddr_len); - - if (ret == 0) - break; - - if (ret == -1 && errno == EACCES) - break; - - port--; - } - - return ret; -} - -static int32_t -af_unix_client_bind (transport_t *this, - struct sockaddr *sockaddr, - socklen_t sockaddr_len, - int sock) -{ - data_t *path_data = NULL; - struct sockaddr_un *addr = NULL; - int32_t ret = -1; - - path_data = dict_get (this->xl->options, - "transport.ib-verbs.bind-path"); - if (path_data) { - char *path = data_to_str (path_data); - if (!path || strlen (path) > UNIX_PATH_MAX) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "transport.ib-verbs.bind-path not specfied " - "for unix socket, letting connect to assign " - "default value"); - goto err; - } - - addr = (struct sockaddr_un *) sockaddr; - strcpy (addr->sun_path, path); - ret = bind (sock, (struct sockaddr *)addr, sockaddr_len); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "cannot bind to unix-domain socket %d (%s)", - sock, strerror (errno)); - goto err; - } - } - -err: - return ret; -} - -static int32_t -client_fill_address_family (transport_t *this, struct sockaddr *sockaddr) -{ - data_t *address_family_data = NULL; - - address_family_data = dict_get (this->xl->options, - "transport.address-family"); - if (!address_family_data) { - data_t *remote_host_data = NULL, *connect_path_data = NULL; - remote_host_data = dict_get (this->xl->options, "remote-host"); - connect_path_data = dict_get (this->xl->options, - "transport.ib-verbs.connect-path"); - - if (!(remote_host_data || connect_path_data) || - (remote_host_data && connect_path_data)) { - gf_log (this->xl->name, GF_LOG_ERROR, - "address-family not specified and not able to " - "determine the same from other options " - "(remote-host:%s and connect-path:%s)", - data_to_str (remote_host_data), - data_to_str (connect_path_data)); - return -1; - } - - if (remote_host_data) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "address-family not specified, guessing it " - "to be inet/inet6"); - sockaddr->sa_family = AF_UNSPEC; - } else { - gf_log (this->xl->name, GF_LOG_DEBUG, - "address-family not specified, guessing it " - "to be unix"); - sockaddr->sa_family = AF_UNIX; - } - - } else { - char *address_family = data_to_str (address_family_data); - if (!strcasecmp (address_family, "unix")) { - sockaddr->sa_family = AF_UNIX; - } else if (!strcasecmp (address_family, "inet")) { - sockaddr->sa_family = AF_INET; - } else if (!strcasecmp (address_family, "inet6")) { - sockaddr->sa_family = AF_INET6; - } else if (!strcasecmp (address_family, "inet-sdp")) { - sockaddr->sa_family = AF_INET_SDP; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - sockaddr->sa_family = AF_UNSPEC; - } else { - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address-family (%s) specified", - address_family); - return -1; - } - } - - return 0; -} - -static int32_t -af_inet_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len) -{ - dict_t *options = this->xl->options; - data_t *remote_host_data = NULL; - data_t *remote_port_data = NULL; - char *remote_host = NULL; - uint16_t remote_port = 0; - struct addrinfo *addr_info = NULL; - int32_t ret = 0; - - remote_host_data = dict_get (options, "remote-host"); - if (remote_host_data == NULL) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "option remote-host missing in volume %s", - this->xl->name); - ret = -1; - goto err; - } - - remote_host = data_to_str (remote_host_data); - if (remote_host == NULL) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "option remote-host has data NULL in volume %s", - this->xl->name); - ret = -1; - goto err; - } - - remote_port_data = dict_get (options, "remote-port"); - if (remote_port_data == NULL) - { - gf_log (this->xl->name, GF_LOG_DEBUG, - "option remote-port missing in volume %s. " - "Defaulting to %d", - this->xl->name, GF_DEFAULT_IBVERBS_LISTEN_PORT); - - remote_port = GF_DEFAULT_IBVERBS_LISTEN_PORT; - } - else - { - remote_port = data_to_uint16 (remote_port_data); - } - - if (remote_port == (uint16_t)-1) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "option remote-port has invalid port in volume %s", - this->xl->name); - ret = -1; - goto err; - } - - /* TODO: gf_resolve is a blocking call. kick in some - non blocking dns techniques */ - ret = gf_resolve_ip6 (remote_host, remote_port, - sockaddr->sa_family, - &this->dnscache, &addr_info); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "DNS resolution failed on host %s", remote_host); - goto err; - } - - memcpy (sockaddr, addr_info->ai_addr, addr_info->ai_addrlen); - *sockaddr_len = addr_info->ai_addrlen; - -err: - return ret; -} - -static int32_t -af_unix_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len) -{ - struct sockaddr_un *sockaddr_un = NULL; - char *connect_path = NULL; - data_t *connect_path_data = NULL; - int32_t ret = 0; - - connect_path_data = dict_get (this->xl->options, - "transport.ib-verbs.connect-path"); - if (!connect_path_data) { - gf_log (this->xl->name, GF_LOG_ERROR, - "option transport.ib-verbs.connect-path not " - "specified for address-family unix"); - ret = -1; - goto err; - } - - connect_path = data_to_str (connect_path_data); - if (!connect_path) { - gf_log (this->xl->name, GF_LOG_ERROR, - "connect-path is null-string"); - ret = -1; - goto err; - } - - if (strlen (connect_path) > UNIX_PATH_MAX) { - gf_log (this->xl->name, GF_LOG_ERROR, - "connect-path value length %"GF_PRI_SIZET" > " - "%d octets", strlen (connect_path), UNIX_PATH_MAX); - ret = -1; - goto err; - } - - gf_log (this->xl->name, - GF_LOG_DEBUG, - "using connect-path %s", connect_path); - sockaddr_un = (struct sockaddr_un *)sockaddr; - strcpy (sockaddr_un->sun_path, connect_path); - *sockaddr_len = sizeof (struct sockaddr_un); - -err: - return ret; -} - -static int32_t -af_unix_server_get_local_sockaddr (transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) -{ - data_t *listen_path_data = NULL; - char *listen_path = NULL; - int32_t ret = 0; - struct sockaddr_un *sunaddr = (struct sockaddr_un *)addr; - - - listen_path_data = dict_get (this->xl->options, - "transport.ib-verbs.listen-path"); - if (!listen_path_data) { - gf_log (this->xl->name, GF_LOG_ERROR, - "missing option listen-path"); - ret = -1; - goto err; - } - - listen_path = data_to_str (listen_path_data); - -#ifndef UNIX_PATH_MAX -#define UNIX_PATH_MAX 108 -#endif - - if (strlen (listen_path) > UNIX_PATH_MAX) { - gf_log (this->xl->name, GF_LOG_ERROR, - "option listen-path has value length %"GF_PRI_SIZET" > %d", - strlen (listen_path), UNIX_PATH_MAX); - ret = -1; - goto err; - } - - sunaddr->sun_family = AF_UNIX; - strcpy (sunaddr->sun_path, listen_path); - *addr_len = sizeof (struct sockaddr_un); - -err: - return ret; -} - -static int32_t -af_inet_server_get_local_sockaddr (transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) -{ - struct addrinfo hints, *res = 0; - data_t *listen_port_data = NULL, *listen_host_data = NULL; - uint16_t listen_port = -1; - char service[NI_MAXSERV], *listen_host = NULL; - dict_t *options = NULL; - int32_t ret = 0; - - options = this->xl->options; - - listen_port_data = dict_get (options, "transport.ib-verbs.listen-port"); - listen_host_data = dict_get (options, "transport.ib-verbs.bind-address"); - - if (listen_port_data) - { - listen_port = data_to_uint16 (listen_port_data); - } else { - if (addr->sa_family == AF_INET6) { - struct sockaddr_in6 *in = (struct sockaddr_in6 *) addr; - in->sin6_addr = in6addr_any; - in->sin6_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in6); - goto out; - } else if (addr->sa_family == AF_INET) { - struct sockaddr_in *in = (struct sockaddr_in *) addr; - in->sin_addr.s_addr = htonl(INADDR_ANY); - in->sin_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in); - goto out; - } - } - - if (listen_port == (uint16_t) -1) - listen_port = GF_DEFAULT_IBVERBS_LISTEN_PORT; - - - if (listen_host_data) - { - listen_host = data_to_str (listen_host_data); - } - - memset (service, 0, sizeof (service)); - sprintf (service, "%d", listen_port); - - memset (&hints, 0, sizeof (hints)); - hints.ai_family = addr->sa_family; - hints.ai_socktype = SOCK_STREAM; - hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE; - - ret = getaddrinfo(listen_host, service, &hints, &res); - if (ret != 0) { - gf_log (this->xl->name, - GF_LOG_ERROR, - "getaddrinfo failed for host %s, service %s (%s)", - listen_host, service, gai_strerror (ret)); - ret = -1; - goto out; - } - - memcpy (addr, res->ai_addr, res->ai_addrlen); - *addr_len = res->ai_addrlen; - - freeaddrinfo (res); - -out: - return ret; -} - -int32_t -gf_ibverbs_client_bind (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - int sock) -{ - int ret = 0; - - *sockaddr_len = sizeof (struct sockaddr_in6); - switch (sockaddr->sa_family) - { - case AF_INET_SDP: - case AF_INET: - *sockaddr_len = sizeof (struct sockaddr_in); - - case AF_INET6: - ret = af_inet_bind_to_port_lt_ceiling (sock, sockaddr, - *sockaddr_len, - CLIENT_PORT_CEILING); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_WARNING, - "cannot bind inet socket (%d) to port " - "less than %d (%s)", - sock, CLIENT_PORT_CEILING, strerror (errno)); - ret = 0; - } - break; - - case AF_UNIX: - *sockaddr_len = sizeof (struct sockaddr_un); - ret = af_unix_client_bind (this, (struct sockaddr *)sockaddr, - *sockaddr_len, sock); - break; - - default: - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address family %d", sockaddr->sa_family); - ret = -1; - break; - } - - return ret; -} - -int32_t -gf_ibverbs_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len) -{ - int32_t ret = 0; - char is_inet_sdp = 0; - - ret = client_fill_address_family (this, sockaddr); - if (ret) { - ret = -1; - goto err; - } - - switch (sockaddr->sa_family) - { - case AF_INET_SDP: - sockaddr->sa_family = AF_INET; - is_inet_sdp = 1; - - case AF_INET: - case AF_INET6: - case AF_UNSPEC: - ret = af_inet_client_get_remote_sockaddr (this, - sockaddr, - sockaddr_len); - - if (is_inet_sdp) { - sockaddr->sa_family = AF_INET_SDP; - } - - break; - - case AF_UNIX: - ret = af_unix_client_get_remote_sockaddr (this, - sockaddr, - sockaddr_len); - break; - - default: - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address-family %d", sockaddr->sa_family); - ret = -1; - } - -err: - return ret; -} - -int32_t -gf_ibverbs_server_get_local_sockaddr (transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) -{ - data_t *address_family_data = NULL; - int32_t ret = 0; - char is_inet_sdp = 0; - - address_family_data = dict_get (this->xl->options, - "transport.address-family"); - if (address_family_data) { - char *address_family = NULL; - address_family = data_to_str (address_family_data); - - if (!strcasecmp (address_family, "inet")) { - addr->sa_family = AF_INET; - } else if (!strcasecmp (address_family, "inet6")) { - addr->sa_family = AF_INET6; - } else if (!strcasecmp (address_family, "inet-sdp")) { - addr->sa_family = AF_INET_SDP; - } else if (!strcasecmp (address_family, "unix")) { - addr->sa_family = AF_UNIX; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - addr->sa_family = AF_UNSPEC; - } else { - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address family (%s) specified", - address_family); - ret = -1; - goto err; - } - } else { - gf_log (this->xl->name, GF_LOG_DEBUG, - "option address-family not specified, defaulting " - "to inet/inet6"); - addr->sa_family = AF_UNSPEC; - } - - switch (addr->sa_family) - { - case AF_INET_SDP: - is_inet_sdp = 1; - addr->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - case AF_UNSPEC: - ret = af_inet_server_get_local_sockaddr (this, addr, addr_len); - if (is_inet_sdp && !ret) { - addr->sa_family = AF_INET_SDP; - } - break; - - case AF_UNIX: - ret = af_unix_server_get_local_sockaddr (this, addr, addr_len); - break; - } - -err: - return ret; -} - -int32_t -fill_inet6_inet_identifiers (transport_t *this, struct sockaddr_storage *addr, - int32_t addr_len, char *identifier) -{ - int32_t ret = 0, tmpaddr_len = 0; - char service[NI_MAXSERV], host[NI_MAXHOST]; - struct sockaddr_storage tmpaddr; - - memset (&tmpaddr, 0, sizeof (tmpaddr)); - tmpaddr = *addr; - tmpaddr_len = addr_len; - - if (((struct sockaddr *) &tmpaddr)->sa_family == AF_INET6) { - int32_t one_to_four, four_to_eight, twelve_to_sixteen; - int16_t eight_to_ten, ten_to_twelve; - - one_to_four = four_to_eight = twelve_to_sixteen = 0; - eight_to_ten = ten_to_twelve = 0; - - one_to_four = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr32[0]; - four_to_eight = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr32[1]; -#ifdef GF_SOLARIS_HOST_OS - eight_to_ten = S6_ADDR16(((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr)[4]; -#else - eight_to_ten = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr16[4]; -#endif - -#ifdef GF_SOLARIS_HOST_OS - ten_to_twelve = S6_ADDR16(((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr)[5]; -#else - ten_to_twelve = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr16[5]; -#endif - twelve_to_sixteen = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr32[3]; - - /* ipv4 mapped ipv6 address has - bits 0-80: 0 - bits 80-96: 0xffff - bits 96-128: ipv4 address - */ - - if (one_to_four == 0 && - four_to_eight == 0 && - eight_to_ten == 0 && - ten_to_twelve == -1) { - struct sockaddr_in *in_ptr = (struct sockaddr_in *)&tmpaddr; - memset (&tmpaddr, 0, sizeof (tmpaddr)); - - in_ptr->sin_family = AF_INET; - in_ptr->sin_port = ((struct sockaddr_in6 *)addr)->sin6_port; - in_ptr->sin_addr.s_addr = twelve_to_sixteen; - tmpaddr_len = sizeof (*in_ptr); - } - } - - ret = getnameinfo ((struct sockaddr *) &tmpaddr, - tmpaddr_len, - host, sizeof (host), - service, sizeof (service), - NI_NUMERICHOST | NI_NUMERICSERV); - if (ret != 0) { - gf_log (this->xl->name, - GF_LOG_ERROR, - "getnameinfo failed (%s)", gai_strerror (ret)); - } - - sprintf (identifier, "%s:%s", host, service); - - return ret; -} - -int32_t -gf_ibverbs_get_transport_identifiers (transport_t *this) -{ - int32_t ret = 0; - char is_inet_sdp = 0; - - switch (((struct sockaddr *) &this->myinfo.sockaddr)->sa_family) - { - case AF_INET_SDP: - is_inet_sdp = 1; - ((struct sockaddr *) &this->peerinfo.sockaddr)->sa_family = ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - { - ret = fill_inet6_inet_identifiers (this, - &this->myinfo.sockaddr, - this->myinfo.sockaddr_len, - this->myinfo.identifier); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "can't fill inet/inet6 identifier for server"); - goto err; - } - - ret = fill_inet6_inet_identifiers (this, - &this->peerinfo.sockaddr, - this->peerinfo.sockaddr_len, - this->peerinfo.identifier); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "can't fill inet/inet6 identifier for client"); - goto err; - } - - if (is_inet_sdp) { - ((struct sockaddr *) &this->peerinfo.sockaddr)->sa_family = ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family = AF_INET_SDP; - } - } - break; - - case AF_UNIX: - { - struct sockaddr_un *sunaddr = NULL; - - sunaddr = (struct sockaddr_un *) &this->myinfo.sockaddr; - strcpy (this->myinfo.identifier, sunaddr->sun_path); - - sunaddr = (struct sockaddr_un *) &this->peerinfo.sockaddr; - strcpy (this->peerinfo.identifier, sunaddr->sun_path); - } - break; - - default: - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address family (%d)", - ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family); - ret = -1; - break; - } - -err: - return ret; -} diff --git a/xlators/protocol/legacy/transport/ib-verbs/src/name.h b/xlators/protocol/legacy/transport/ib-verbs/src/name.h deleted file mode 100644 index 366077fddd9..00000000000 --- a/xlators/protocol/legacy/transport/ib-verbs/src/name.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _IB_VERBS_NAME_H -#define _IB_VERBS_NAME_H - -#include <sys/socket.h> -#include <sys/un.h> - -#include "compat.h" - -int32_t -gf_ibverbs_client_bind (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - int sock); - -int32_t -gf_ibverbs_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len); - -int32_t -gf_ibverbs_server_get_local_sockaddr (transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len); - -int32_t -gf_ibverbs_get_transport_identifiers (transport_t *this); - -#endif /* _IB_VERBS_NAME_H */ diff --git a/xlators/protocol/legacy/transport/socket/Makefile.am b/xlators/protocol/legacy/transport/socket/Makefile.am deleted file mode 100644 index f963effea22..00000000000 --- a/xlators/protocol/legacy/transport/socket/Makefile.am +++ /dev/null @@ -1 +0,0 @@ -SUBDIRS = src
\ No newline at end of file diff --git a/xlators/protocol/legacy/transport/socket/src/Makefile.am b/xlators/protocol/legacy/transport/socket/src/Makefile.am deleted file mode 100644 index 5952e18e97b..00000000000 --- a/xlators/protocol/legacy/transport/socket/src/Makefile.am +++ /dev/null @@ -1,19 +0,0 @@ -# TODO : change to proper transport dir - -transport_LTLIBRARIES = socket.la -transportdir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/transport - -socket_la_LDFLAGS = -module -avoidversion - -socket_la_SOURCES = socket.c name.c -socket_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \ - $(top_builddir)/xlators/protocol/legacy/lib/src/libgfproto.la - -noinst_HEADERS = socket.h name.h socket-mem-types.h - -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS)\ - -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) \ - -I$(top_srcdir)/xlators/protocol/legacy/transport/socket/src \ - -I$(top_srcdir)/xlators/protocol/legacy/lib/src - -CLEANFILES = *~ diff --git a/xlators/protocol/legacy/transport/socket/src/name.c b/xlators/protocol/legacy/transport/socket/src/name.c deleted file mode 100644 index 644a0bc5e12..00000000000 --- a/xlators/protocol/legacy/transport/socket/src/name.c +++ /dev/null @@ -1,740 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <errno.h> -#include <netdb.h> -#include <string.h> - -#ifdef CLIENT_PORT_CEILING -#undef CLIENT_PORT_CEILING -#endif - -#define CLIENT_PORT_CEILING 1024 - -#ifndef AF_INET_SDP -#define AF_INET_SDP 27 -#endif - -static int gf_name_addr_enotspec_log; - -#include "transport.h" -#include "socket.h" - -int32_t -gf_resolve_ip6 (const char *hostname, - uint16_t port, - int family, - void **dnscache, - struct addrinfo **addr_info); - -static int32_t -af_inet_bind_to_port_lt_ceiling (int fd, struct sockaddr *sockaddr, - socklen_t sockaddr_len, int ceiling) -{ - int32_t ret = -1; - /* struct sockaddr_in sin = {0, }; */ - uint16_t port = ceiling - 1; - - while (port) - { - switch (sockaddr->sa_family) - { - case AF_INET6: - ((struct sockaddr_in6 *)sockaddr)->sin6_port = htons (port); - break; - - case AF_INET_SDP: - case AF_INET: - ((struct sockaddr_in *)sockaddr)->sin_port = htons (port); - break; - } - - ret = bind (fd, sockaddr, sockaddr_len); - - if (ret == 0) - break; - - if (ret == -1 && errno == EACCES) - break; - - port--; - } - - return ret; -} - -static int32_t -af_unix_client_bind (transport_t *this, - struct sockaddr *sockaddr, - socklen_t sockaddr_len, - int sock) -{ - data_t *path_data = NULL; - struct sockaddr_un *addr = NULL; - int32_t ret = 0; - - path_data = dict_get (this->xl->options, "transport.socket.bind-path"); - if (path_data) { - char *path = data_to_str (path_data); - if (!path || strlen (path) > UNIX_PATH_MAX) { - gf_log (this->xl->name, GF_LOG_TRACE, - "bind-path not specfied for unix socket, " - "letting connect to assign default value"); - goto err; - } - - addr = (struct sockaddr_un *) sockaddr; - strcpy (addr->sun_path, path); - ret = bind (sock, (struct sockaddr *)addr, sockaddr_len); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "cannot bind to unix-domain socket %d (%s)", - sock, strerror (errno)); - goto err; - } - } else { - gf_log (this->xl->name, GF_LOG_TRACE, - "bind-path not specfied for unix socket, " - "letting connect to assign default value"); - } - -err: - return ret; -} - -static int32_t -client_fill_address_family (transport_t *this, sa_family_t *sa_family) -{ - data_t *address_family_data = NULL; - int32_t ret = -1; - - if (sa_family == NULL) { - goto out; - } - - address_family_data = dict_get (this->xl->options, - "transport.address-family"); - if (!address_family_data) { - data_t *remote_host_data = NULL, *connect_path_data = NULL; - remote_host_data = dict_get (this->xl->options, "remote-host"); - connect_path_data = dict_get (this->xl->options, - "transport.socket.connect-path"); - - if (!(remote_host_data || connect_path_data) || - (remote_host_data && connect_path_data)) { - GF_LOG_OCCASIONALLY (gf_name_addr_enotspec_log, - this->xl->name, GF_LOG_ERROR, - "transport.address-family not specified and " - "not able to determine the " - "same from other options (remote-host:%s and " - "transport.unix.connect-path:%s)", - data_to_str (remote_host_data), - data_to_str (connect_path_data)); - goto out; - } - - if (remote_host_data) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "address-family not specified, guessing it " - "to be inet/inet6"); - *sa_family = AF_UNSPEC; - } else { - gf_log (this->xl->name, GF_LOG_DEBUG, - "address-family not specified, guessing it " - "to be unix"); - *sa_family = AF_UNIX; - } - - } else { - char *address_family = data_to_str (address_family_data); - if (!strcasecmp (address_family, "unix")) { - *sa_family = AF_UNIX; - } else if (!strcasecmp (address_family, "inet")) { - *sa_family = AF_INET; - } else if (!strcasecmp (address_family, "inet6")) { - *sa_family = AF_INET6; - } else if (!strcasecmp (address_family, "inet-sdp")) { - *sa_family = AF_INET_SDP; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - *sa_family = AF_UNSPEC; - } else { - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address-family (%s) specified", - address_family); - goto out; - } - } - - ret = 0; - -out: - return ret; -} - -static int32_t -af_inet_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len) -{ - dict_t *options = this->xl->options; - data_t *remote_host_data = NULL; - data_t *remote_port_data = NULL; - char *remote_host = NULL; - uint16_t remote_port = 0; - struct addrinfo *addr_info = NULL; - int32_t ret = 0; - - remote_host_data = dict_get (options, "remote-host"); - if (remote_host_data == NULL) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "option remote-host missing in volume %s", this->xl->name); - ret = -1; - goto err; - } - - remote_host = data_to_str (remote_host_data); - if (remote_host == NULL) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "option remote-host has data NULL in volume %s", this->xl->name); - ret = -1; - goto err; - } - - remote_port_data = dict_get (options, "remote-port"); - if (remote_port_data == NULL) - { - gf_log (this->xl->name, GF_LOG_TRACE, - "option remote-port missing in volume %s. Defaulting to %d", - this->xl->name, GF_DEFAULT_SOCKET_LISTEN_PORT); - - remote_port = GF_DEFAULT_SOCKET_LISTEN_PORT; - } - else - { - remote_port = data_to_uint16 (remote_port_data); - } - - if (remote_port == (uint16_t)-1) - { - gf_log (this->xl->name, GF_LOG_ERROR, - "option remote-port has invalid port in volume %s", - this->xl->name); - ret = -1; - goto err; - } - - /* TODO: gf_resolve is a blocking call. kick in some - non blocking dns techniques */ - ret = gf_resolve_ip6 (remote_host, remote_port, - sockaddr->sa_family, &this->dnscache, &addr_info); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "DNS resolution failed on host %s", remote_host); - goto err; - } - - memcpy (sockaddr, addr_info->ai_addr, addr_info->ai_addrlen); - *sockaddr_len = addr_info->ai_addrlen; - -err: - return ret; -} - -static int32_t -af_unix_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len) -{ - struct sockaddr_un *sockaddr_un = NULL; - char *connect_path = NULL; - data_t *connect_path_data = NULL; - int32_t ret = 0; - - connect_path_data = dict_get (this->xl->options, - "transport.socket.connect-path"); - if (!connect_path_data) { - gf_log (this->xl->name, GF_LOG_ERROR, - "option transport.unix.connect-path not specified for " - "address-family unix"); - ret = -1; - goto err; - } - - connect_path = data_to_str (connect_path_data); - if (!connect_path) { - gf_log (this->xl->name, GF_LOG_ERROR, - "transport.unix.connect-path is null-string"); - ret = -1; - goto err; - } - - if (strlen (connect_path) > UNIX_PATH_MAX) { - gf_log (this->xl->name, GF_LOG_ERROR, - "connect-path value length %"GF_PRI_SIZET" > %d octets", - strlen (connect_path), UNIX_PATH_MAX); - ret = -1; - goto err; - } - - gf_log (this->xl->name, GF_LOG_TRACE, - "using connect-path %s", connect_path); - sockaddr_un = (struct sockaddr_un *)sockaddr; - strcpy (sockaddr_un->sun_path, connect_path); - *sockaddr_len = sizeof (struct sockaddr_un); - -err: - return ret; -} - -static int32_t -af_unix_server_get_local_sockaddr (transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) -{ - data_t *listen_path_data = NULL; - char *listen_path = NULL; - int32_t ret = 0; - struct sockaddr_un *sunaddr = (struct sockaddr_un *)addr; - - - listen_path_data = dict_get (this->xl->options, - "transport.socket.listen-path"); - if (!listen_path_data) { - gf_log (this->xl->name, GF_LOG_ERROR, - "missing option transport.socket.listen-path"); - ret = -1; - goto err; - } - - listen_path = data_to_str (listen_path_data); - -#ifndef UNIX_PATH_MAX -#define UNIX_PATH_MAX 108 -#endif - - if (strlen (listen_path) > UNIX_PATH_MAX) { - gf_log (this->xl->name, GF_LOG_ERROR, - "option transport.unix.listen-path has value length " - "%"GF_PRI_SIZET" > %d", - strlen (listen_path), UNIX_PATH_MAX); - ret = -1; - goto err; - } - - sunaddr->sun_family = AF_UNIX; - strcpy (sunaddr->sun_path, listen_path); - *addr_len = sizeof (struct sockaddr_un); - -err: - return ret; -} - -static int32_t -af_inet_server_get_local_sockaddr (transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) -{ - struct addrinfo hints, *res = 0; - data_t *listen_port_data = NULL, *listen_host_data = NULL; - uint16_t listen_port = -1; - char service[NI_MAXSERV], *listen_host = NULL; - dict_t *options = NULL; - int32_t ret = 0; - - options = this->xl->options; - - listen_port_data = dict_get (options, "transport.socket.listen-port"); - listen_host_data = dict_get (options, "transport.socket.bind-address"); - - if (listen_port_data) - { - listen_port = data_to_uint16 (listen_port_data); - } - - if (listen_port == (uint16_t) -1) - listen_port = GF_DEFAULT_SOCKET_LISTEN_PORT; - - - if (listen_host_data) - { - listen_host = data_to_str (listen_host_data); - } else { - if (addr->sa_family == AF_INET6) { - struct sockaddr_in6 *in = (struct sockaddr_in6 *) addr; - in->sin6_addr = in6addr_any; - in->sin6_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in6); - goto out; - } else if (addr->sa_family == AF_INET) { - struct sockaddr_in *in = (struct sockaddr_in *) addr; - in->sin_addr.s_addr = htonl(INADDR_ANY); - in->sin_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in); - goto out; - } - } - - memset (service, 0, sizeof (service)); - sprintf (service, "%d", listen_port); - - memset (&hints, 0, sizeof (hints)); - hints.ai_family = addr->sa_family; - hints.ai_socktype = SOCK_STREAM; - hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE; - - ret = getaddrinfo(listen_host, service, &hints, &res); - if (ret != 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "getaddrinfo failed for host %s, service %s (%s)", - listen_host, service, gai_strerror (ret)); - ret = -1; - goto out; - } - - memcpy (addr, res->ai_addr, res->ai_addrlen); - *addr_len = res->ai_addrlen; - - freeaddrinfo (res); - -out: - return ret; -} - -int32_t -gf_client_bind (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - int sock) -{ - int ret = 0; - - *sockaddr_len = sizeof (struct sockaddr_in6); - switch (sockaddr->sa_family) - { - case AF_INET_SDP: - case AF_INET: - *sockaddr_len = sizeof (struct sockaddr_in); - - case AF_INET6: - ret = af_inet_bind_to_port_lt_ceiling (sock, sockaddr, - *sockaddr_len, CLIENT_PORT_CEILING); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_WARNING, - "cannot bind inet socket (%d) to port less than %d (%s)", - sock, CLIENT_PORT_CEILING, strerror (errno)); - ret = 0; - } - break; - - case AF_UNIX: - *sockaddr_len = sizeof (struct sockaddr_un); - ret = af_unix_client_bind (this, (struct sockaddr *)sockaddr, - *sockaddr_len, sock); - break; - - default: - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address family %d", sockaddr->sa_family); - ret = -1; - break; - } - - return ret; -} - -int32_t -gf_socket_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - sa_family_t *sa_family) -{ - int32_t ret = 0; - - if ((sockaddr == NULL) || (sockaddr_len == NULL) - || (sa_family == NULL)) { - ret = -1; - goto err; - } - - - ret = client_fill_address_family (this, &sockaddr->sa_family); - if (ret) { - ret = -1; - goto err; - } - - *sa_family = sockaddr->sa_family; - - switch (sockaddr->sa_family) - { - case AF_INET_SDP: - sockaddr->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - case AF_UNSPEC: - ret = af_inet_client_get_remote_sockaddr (this, sockaddr, - sockaddr_len); - break; - - case AF_UNIX: - ret = af_unix_client_get_remote_sockaddr (this, sockaddr, - sockaddr_len); - break; - - default: - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address-family %d", sockaddr->sa_family); - ret = -1; - } - - if (*sa_family == AF_UNSPEC) { - *sa_family = sockaddr->sa_family; - } - -err: - return ret; -} - - -static int32_t -server_fill_address_family (transport_t *this, sa_family_t *sa_family) -{ - data_t *address_family_data = NULL; - int32_t ret = -1; - - if (sa_family == NULL) { - goto out; - } - - address_family_data = dict_get (this->xl->options, - "transport.address-family"); - if (address_family_data) { - char *address_family = NULL; - address_family = data_to_str (address_family_data); - - if (!strcasecmp (address_family, "inet")) { - *sa_family = AF_INET; - } else if (!strcasecmp (address_family, "inet6")) { - *sa_family = AF_INET6; - } else if (!strcasecmp (address_family, "inet-sdp")) { - *sa_family = AF_INET_SDP; - } else if (!strcasecmp (address_family, "unix")) { - *sa_family = AF_UNIX; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - *sa_family = AF_UNSPEC; - } else { - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address family (%s) specified", address_family); - goto out; - } - } else { - gf_log (this->xl->name, GF_LOG_DEBUG, - "option address-family not specified, defaulting to inet/inet6"); - *sa_family = AF_UNSPEC; - } - - ret = 0; -out: - return ret; -} - - -int32_t -gf_socket_server_get_local_sockaddr (transport_t *this, struct sockaddr *addr, - socklen_t *addr_len, sa_family_t *sa_family) -{ - int32_t ret = -1; - - if ((addr == NULL) || (addr_len == NULL) || (sa_family == NULL)) { - goto err; - } - - ret = server_fill_address_family (this, &addr->sa_family); - if (ret == -1) { - goto err; - } - - *sa_family = addr->sa_family; - - switch (addr->sa_family) - { - case AF_INET_SDP: - addr->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - case AF_UNSPEC: - ret = af_inet_server_get_local_sockaddr (this, addr, addr_len); - break; - - case AF_UNIX: - ret = af_unix_server_get_local_sockaddr (this, addr, addr_len); - break; - } - - if (*sa_family == AF_UNSPEC) { - *sa_family = addr->sa_family; - } - -err: - return ret; -} - -static int32_t -fill_inet6_inet_identifiers (transport_t *this, struct sockaddr_storage *addr, - int32_t addr_len, char *identifier) -{ - int32_t ret = 0, tmpaddr_len = 0; - char service[NI_MAXSERV], host[NI_MAXHOST]; - struct sockaddr_storage tmpaddr; - - memset (&tmpaddr, 0, sizeof (tmpaddr)); - tmpaddr = *addr; - tmpaddr_len = addr_len; - - if (((struct sockaddr *) &tmpaddr)->sa_family == AF_INET6) { - int32_t one_to_four, four_to_eight, twelve_to_sixteen; - int16_t eight_to_ten, ten_to_twelve; - - one_to_four = four_to_eight = twelve_to_sixteen = 0; - eight_to_ten = ten_to_twelve = 0; - - one_to_four = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[0]; - four_to_eight = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[1]; -#ifdef GF_SOLARIS_HOST_OS - eight_to_ten = S6_ADDR16(((struct sockaddr_in6 *) &tmpaddr)->sin6_addr)[4]; -#else - eight_to_ten = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr16[4]; -#endif - -#ifdef GF_SOLARIS_HOST_OS - ten_to_twelve = S6_ADDR16(((struct sockaddr_in6 *) &tmpaddr)->sin6_addr)[5]; -#else - ten_to_twelve = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr16[5]; -#endif - - twelve_to_sixteen = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[3]; - - /* ipv4 mapped ipv6 address has - bits 0-80: 0 - bits 80-96: 0xffff - bits 96-128: ipv4 address - */ - - if (one_to_four == 0 && - four_to_eight == 0 && - eight_to_ten == 0 && - ten_to_twelve == -1) { - struct sockaddr_in *in_ptr = (struct sockaddr_in *)&tmpaddr; - memset (&tmpaddr, 0, sizeof (tmpaddr)); - - in_ptr->sin_family = AF_INET; - in_ptr->sin_port = ((struct sockaddr_in6 *)addr)->sin6_port; - in_ptr->sin_addr.s_addr = twelve_to_sixteen; - tmpaddr_len = sizeof (*in_ptr); - } - } - - ret = getnameinfo ((struct sockaddr *) &tmpaddr, - tmpaddr_len, - host, sizeof (host), - service, sizeof (service), - NI_NUMERICHOST | NI_NUMERICSERV); - if (ret != 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "getnameinfo failed (%s)", gai_strerror (ret)); - } - - sprintf (identifier, "%s:%s", host, service); - - return ret; -} - -int32_t -gf_get_transport_identifiers (transport_t *this) -{ - int32_t ret = 0; - char is_inet_sdp = 0; - - switch (((struct sockaddr *) &this->myinfo.sockaddr)->sa_family) - { - case AF_INET_SDP: - is_inet_sdp = 1; - ((struct sockaddr *) &this->peerinfo.sockaddr)->sa_family = ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - { - ret = fill_inet6_inet_identifiers (this, - &this->myinfo.sockaddr, - this->myinfo.sockaddr_len, - this->myinfo.identifier); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "cannot fill inet/inet6 identifier for server"); - goto err; - } - - ret = fill_inet6_inet_identifiers (this, - &this->peerinfo.sockaddr, - this->peerinfo.sockaddr_len, - this->peerinfo.identifier); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "cannot fill inet/inet6 identifier for client"); - goto err; - } - - if (is_inet_sdp) { - ((struct sockaddr *) &this->peerinfo.sockaddr)->sa_family = ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family = AF_INET_SDP; - } - } - break; - - case AF_UNIX: - { - struct sockaddr_un *sunaddr = NULL; - - sunaddr = (struct sockaddr_un *) &this->myinfo.sockaddr; - strcpy (this->myinfo.identifier, sunaddr->sun_path); - - sunaddr = (struct sockaddr_un *) &this->peerinfo.sockaddr; - strcpy (this->peerinfo.identifier, sunaddr->sun_path); - } - break; - - default: - gf_log (this->xl->name, GF_LOG_ERROR, - "unknown address family (%d)", - ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family); - ret = -1; - break; - } - -err: - return ret; -} diff --git a/xlators/protocol/legacy/transport/socket/src/name.h b/xlators/protocol/legacy/transport/socket/src/name.h deleted file mode 100644 index 789cf13ef54..00000000000 --- a/xlators/protocol/legacy/transport/socket/src/name.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _SOCKET_NAME_H -#define _SOCKET_NAME_H - -#include "compat.h" - -int32_t -gf_client_bind (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - int sock); - -int32_t -gf_socket_client_get_remote_sockaddr (transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - sa_family_t *sa_family); - -int32_t -gf_socket_server_get_local_sockaddr (transport_t *this, struct sockaddr *addr, - socklen_t *addr_len, sa_family_t *sa_family); - -int32_t -gf_get_transport_identifiers (transport_t *this); - -#endif /* _SOCKET_NAME_H */ diff --git a/xlators/protocol/legacy/transport/socket/src/socket-mem-types.h b/xlators/protocol/legacy/transport/socket/src/socket-mem-types.h deleted file mode 100644 index 937b9d7a83a..00000000000 --- a/xlators/protocol/legacy/transport/socket/src/socket-mem-types.h +++ /dev/null @@ -1,36 +0,0 @@ - -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef __SOCKET_MEM_TYPES_H__ -#define __SOCKET_MEM_TYPES_H__ - -#include "mem-types.h" - -enum gf_socket_mem_types_ { - gf_socket_mt_socket_private_t = gf_common_mt_end + 1, - gf_socket_mt_ioq, - gf_socket_mt_transport_t, - gf_socket_mt_socket_local_t, - gf_socket_mt_char, - gf_socket_mt_end -}; -#endif - diff --git a/xlators/protocol/legacy/transport/socket/src/socket.c b/xlators/protocol/legacy/transport/socket/src/socket.c deleted file mode 100644 index 9272b058494..00000000000 --- a/xlators/protocol/legacy/transport/socket/src/socket.c +++ /dev/null @@ -1,1625 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "socket.h" -#include "name.h" -#include "dict.h" -#include "transport.h" -#include "logging.h" -#include "xlator.h" -#include "byte-order.h" -#include "common-utils.h" -#include "compat-errno.h" - -#include <fcntl.h> -#include <errno.h> -#include <netinet/tcp.h> - - -#define GF_LOG_ERRNO(errno) ((errno == ENOTCONN) ? GF_LOG_DEBUG : GF_LOG_ERROR) -#define SA(ptr) ((struct sockaddr *)ptr) - -static int socket_init (transport_t *this); - -/* - * return value: - * 0 = success (completed) - * -1 = error - * > 0 = incomplete - */ - -static int -__socket_rwv (transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count, - int write) -{ - socket_private_t *priv = NULL; - int sock = -1; - int ret = -1; - struct iovec *opvector = NULL; - int opcount = 0; - int moved = 0; - - priv = this->private; - sock = priv->sock; - - opvector = vector; - opcount = count; - - while (opcount) { - if (write) { - ret = writev (sock, opvector, opcount); - - if (ret == 0 || (ret == -1 && errno == EAGAIN)) { - /* done for now */ - break; - } - } else { - ret = readv (sock, opvector, opcount); - - if (ret == -1 && errno == EAGAIN) { - /* done for now */ - break; - } - } - - if (ret == 0) { - /* Mostly due to 'umount' in client */ - gf_log (this->xl->name, GF_LOG_TRACE, - "EOF from peer %s", this->peerinfo.identifier); - opcount = -1; - errno = ENOTCONN; - break; - } - - if (ret == -1) { - if (errno == EINTR) - continue; - - gf_log (this->xl->name, GF_LOG_TRACE, - "%s failed (%s)", write ? "writev" : "readv", - strerror (errno)); - opcount = -1; - break; - } - - moved = 0; - - while (moved < ret) { - if ((ret - moved) >= opvector[0].iov_len) { - moved += opvector[0].iov_len; - opvector++; - opcount--; - } else { - opvector[0].iov_len -= (ret - moved); - opvector[0].iov_base += (ret - moved); - moved += (ret - moved); - } - while (opcount && !opvector[0].iov_len) { - opvector++; - opcount--; - } - } - } - - if (pending_vector) - *pending_vector = opvector; - - if (pending_count) - *pending_count = opcount; - - return opcount; -} - - -static int -__socket_readv (transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count) -{ - int ret = -1; - - ret = __socket_rwv (this, vector, count, - pending_vector, pending_count, 0); - - return ret; -} - - -static int -__socket_writev (transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count) -{ - int ret = -1; - - ret = __socket_rwv (this, vector, count, - pending_vector, pending_count, 1); - - return ret; -} - - -static int -__socket_disconnect (transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - if (priv->sock != -1) { - ret = shutdown (priv->sock, SHUT_RDWR); - priv->connected = -1; - gf_log (this->xl->name, GF_LOG_TRACE, - "shutdown() returned %d. set connection state to -1", - ret); - } - - return ret; -} - - -static int -__socket_server_bind (transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - int opt = 1; - - priv = this->private; - - ret = setsockopt (priv->sock, SOL_SOCKET, SO_REUSEADDR, - &opt, sizeof (opt)); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setsockopt() for SO_REUSEADDR failed (%s)", - strerror (errno)); - } - - ret = bind (priv->sock, (struct sockaddr *)&this->myinfo.sockaddr, - this->myinfo.sockaddr_len); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "binding to %s failed: %s", - this->myinfo.identifier, strerror (errno)); - if (errno == EADDRINUSE) { - gf_log (this->xl->name, GF_LOG_ERROR, - "Port is already in use"); - } - } - - return ret; -} - - -static int -__socket_nonblock (int fd) -{ - int flags = 0; - int ret = -1; - - flags = fcntl (fd, F_GETFL); - - if (flags != -1) - ret = fcntl (fd, F_SETFL, flags | O_NONBLOCK); - - return ret; -} - - -static int -__socket_nodelay (int fd) -{ - int on = 1; - int ret = -1; - - ret = setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, - &on, sizeof (on)); - if (!ret) - gf_log ("", GF_LOG_TRACE, - "NODELAY enabled for socket %d", fd); - - return ret; -} - - -static int -__socket_keepalive (int fd, int keepalive_intvl) -{ - int on = 1; - int ret = -1; - - ret = setsockopt (fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof (on)); - if (ret == -1) - goto err; - - if (keepalive_intvl == GF_USE_DEFAULT_KEEPALIVE) - goto done; - -#ifndef GF_LINUX_HOST_OS - ret = setsockopt (fd, IPPROTO_TCP, TCP_KEEPALIVE, &keepalive_intvl, - sizeof (keepalive_intvl)); - if (ret == -1) - goto err; -#else - ret = setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &keepalive_intvl, - sizeof (keepalive_intvl)); - if (ret == -1) - goto err; - - ret = setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &keepalive_intvl, - sizeof (keepalive_intvl)); - if (ret == -1) - goto err; -#endif - -done: - gf_log ("", GF_LOG_TRACE, "Keep-alive enabled for socket %d, interval " - "%d", fd, keepalive_intvl); - -err: - return ret; -} - - -static int -__socket_connect_finish (int fd) -{ - int ret = -1; - int optval = 0; - socklen_t optlen = sizeof (int); - - ret = getsockopt (fd, SOL_SOCKET, SO_ERROR, (void *)&optval, &optlen); - - if (ret == 0 && optval) { - errno = optval; - ret = -1; - } - - return ret; -} - - -static void -__socket_reset (transport_t *this) -{ - socket_private_t *priv = NULL; - - priv = this->private; - - /* TODO: use mem-pool on incoming data */ - - if (priv->incoming.hdr_p) - GF_FREE (priv->incoming.hdr_p); - - if (priv->incoming.iobuf) - iobuf_unref (priv->incoming.iobuf); - - memset (&priv->incoming, 0, sizeof (priv->incoming)); - - event_unregister (this->xl->ctx->event_pool, priv->sock, priv->idx); - close (priv->sock); - priv->sock = -1; - priv->idx = -1; - priv->connected = -1; -} - - -static struct ioq * -__socket_ioq_new (transport_t *this, char *buf, int len, - struct iovec *vector, int count, struct iobref *iobref) -{ - socket_private_t *priv = NULL; - struct ioq *entry = NULL; - - priv = this->private; - - /* TODO: use mem-pool */ - entry = GF_CALLOC (1, sizeof (*entry), - gf_common_mt_ioq); - if (!entry) - return NULL; - - GF_ASSERT (count <= (MAX_IOVEC-2)); - - entry->header.colonO[0] = ':'; - entry->header.colonO[1] = 'O'; - entry->header.colonO[2] = '\0'; - entry->header.version = 42; - entry->header.size1 = hton32 (len); - entry->header.size2 = hton32 (iov_length (vector, count)); - - entry->vector[0].iov_base = &entry->header; - entry->vector[0].iov_len = sizeof (entry->header); - entry->count++; - - entry->vector[1].iov_base = buf; - entry->vector[1].iov_len = len; - entry->count++; - - if (vector && count) { - memcpy (&entry->vector[2], vector, sizeof (*vector) * count); - entry->count += count; - } - - entry->pending_vector = entry->vector; - entry->pending_count = entry->count; - - if (iobref) - entry->iobref = iobref_ref (iobref); - - entry->buf = buf; - - INIT_LIST_HEAD (&entry->list); - - return entry; -} - - -static void -__socket_ioq_entry_free (struct ioq *entry) -{ - list_del_init (&entry->list); - if (entry->iobref) - iobref_unref (entry->iobref); - - /* TODO: use mem-pool */ - GF_FREE (entry->buf); - - /* TODO: use mem-pool */ - GF_FREE (entry); -} - - -static void -__socket_ioq_flush (transport_t *this) -{ - socket_private_t *priv = NULL; - struct ioq *entry = NULL; - - priv = this->private; - - while (!list_empty (&priv->ioq)) { - entry = priv->ioq_next; - __socket_ioq_entry_free (entry); - } - - return; -} - - -static int -__socket_ioq_churn_entry (transport_t *this, struct ioq *entry) -{ - int ret = -1; - - ret = __socket_writev (this, entry->pending_vector, - entry->pending_count, - &entry->pending_vector, - &entry->pending_count); - - if (ret == 0) { - /* current entry was completely written */ - GF_ASSERT (entry->pending_count == 0); - __socket_ioq_entry_free (entry); - } - - return ret; -} - - -static int -__socket_ioq_churn (transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = 0; - struct ioq *entry = NULL; - - priv = this->private; - - while (!list_empty (&priv->ioq)) { - /* pick next entry */ - entry = priv->ioq_next; - - ret = __socket_ioq_churn_entry (this, entry); - - if (ret != 0) - break; - } - - if (list_empty (&priv->ioq)) { - /* all pending writes done, not interested in POLLOUT */ - priv->idx = event_select_on (this->xl->ctx->event_pool, - priv->sock, priv->idx, -1, 0); - } - - return ret; -} - - -static int -socket_event_poll_err (transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - __socket_ioq_flush (this); - __socket_reset (this); - } - pthread_mutex_unlock (&priv->lock); - - xlator_notify (this->xl, GF_EVENT_POLLERR, this); - - return ret; -} - - -static int -socket_event_poll_out (transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected == 1) { - ret = __socket_ioq_churn (this); - - if (ret == -1) { - __socket_disconnect (this); - } - } - } - pthread_mutex_unlock (&priv->lock); - - xlator_notify (this->xl, GF_EVENT_POLLOUT, this); - - return ret; -} - - -static int -__socket_proto_validate_header (transport_t *this, - struct socket_header *header, - size_t *size1_p, size_t *size2_p) -{ - size_t size1 = 0; - size_t size2 = 0; - - if (strcmp (header->colonO, ":O")) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "socket header signature does not match :O (%x.%x.%x)", - header->colonO[0], header->colonO[1], - header->colonO[2]); - return -1; - } - - if (header->version != 42) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "socket header version does not match 42 != %d", - header->version); - return -1; - } - - size1 = ntoh32 (header->size1); - size2 = ntoh32 (header->size2); - - if (size1 <= 0 || size1 > 1048576) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "socket header has incorrect size1=%"GF_PRI_SIZET, - size1); - return -1; - } - - if (size2 > (131072)) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "socket header has incorrect size2=%"GF_PRI_SIZET, - size2); - return -1; - } - - if (size1_p) - *size1_p = size1; - - if (size2_p) - *size2_p = size2; - - return 0; -} - - - -/* socket protocol state machine */ - -static int -__socket_proto_state_machine (transport_t *this) -{ - int ret = -1; - socket_private_t *priv = NULL; - size_t size1 = 0; - size_t size2 = 0; - int previous_state = -1; - struct socket_header *hdr = NULL; - struct iobuf *iobuf = NULL; - - - priv = this->private; - - while (priv->incoming.state != SOCKET_PROTO_STATE_COMPLETE) { - /* debug check against infinite loops */ - if (previous_state == priv->incoming.state) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "state did not change! (%d) breaking", - previous_state); - ret = -1; - goto unlock; - } - previous_state = priv->incoming.state; - - switch (priv->incoming.state) { - - case SOCKET_PROTO_STATE_NADA: - priv->incoming.pending_vector = - priv->incoming.vector; - - priv->incoming.pending_vector->iov_base = - &priv->incoming.header; - - priv->incoming.pending_vector->iov_len = - sizeof (struct socket_header); - - priv->incoming.state = - SOCKET_PROTO_STATE_HEADER_COMING; - break; - - case SOCKET_PROTO_STATE_HEADER_COMING: - - ret = __socket_readv (this, - priv->incoming.pending_vector, 1, - &priv->incoming.pending_vector, - NULL); - if (ret == 0) { - priv->incoming.state = - SOCKET_PROTO_STATE_HEADER_CAME; - break; - } - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_TRACE, - "read (%s) in state %d (%s)", - strerror (errno), - SOCKET_PROTO_STATE_HEADER_COMING, - this->peerinfo.identifier); - goto unlock; - } - - if (ret > 0) { - gf_log (this->xl->name, GF_LOG_TRACE, - "partial header read on NB socket."); - goto unlock; - } - break; - - case SOCKET_PROTO_STATE_HEADER_CAME: - hdr = &priv->incoming.header; - ret = __socket_proto_validate_header (this, hdr, - &size1, &size2); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "socket header validate failed (%s). " - "possible mismatch of transport-type " - "between server and client volumes, " - "or version mismatch", - this->peerinfo.identifier); - goto unlock; - } - - priv->incoming.hdrlen = size1; - priv->incoming.buflen = size2; - - /* TODO: use mem-pool */ - priv->incoming.hdr_p = GF_MALLOC (size1, - gf_common_mt_char); - if (size2) { - /* TODO: sanity check size2 < page size - */ - iobuf = iobuf_get (this->xl->ctx->iobuf_pool); - if (!iobuf) { - gf_log (this->xl->name, GF_LOG_ERROR, - "unable to allocate IO buffer " - "for peer %s", - this->peerinfo.identifier); - ret = -ENOMEM; - goto unlock; - } - priv->incoming.iobuf = iobuf; - priv->incoming.buf_p = iobuf->ptr; - } - - priv->incoming.vector[0].iov_base = - priv->incoming.hdr_p; - - priv->incoming.vector[0].iov_len = size1; - - priv->incoming.vector[1].iov_base = - priv->incoming.buf_p; - - priv->incoming.vector[1].iov_len = size2; - priv->incoming.count = size2 ? 2 : 1; - - priv->incoming.pending_vector = - priv->incoming.vector; - - priv->incoming.pending_count = - priv->incoming.count; - - priv->incoming.state = - SOCKET_PROTO_STATE_DATA_COMING; - break; - - case SOCKET_PROTO_STATE_DATA_COMING: - - ret = __socket_readv (this, - priv->incoming.pending_vector, - priv->incoming.pending_count, - &priv->incoming.pending_vector, - &priv->incoming.pending_count); - if (ret == 0) { - priv->incoming.state = - SOCKET_PROTO_STATE_DATA_CAME; - break; - } - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "read (%s) in state %d (%s)", - strerror (errno), - SOCKET_PROTO_STATE_DATA_COMING, - this->peerinfo.identifier); - goto unlock; - } - - if (ret > 0) { - gf_log (this->xl->name, GF_LOG_TRACE, - "partial data read on NB socket"); - goto unlock; - } - break; - - case SOCKET_PROTO_STATE_DATA_CAME: - memset (&priv->incoming.vector, 0, - sizeof (priv->incoming.vector)); - priv->incoming.pending_vector = NULL; - priv->incoming.pending_count = 0; - priv->incoming.state = SOCKET_PROTO_STATE_COMPLETE; - break; - - case SOCKET_PROTO_STATE_COMPLETE: - /* not reached */ - break; - - default: - gf_log (this->xl->name, GF_LOG_DEBUG, - "undefined state reached: %d", - priv->incoming.state); - goto unlock; - } - } -unlock: - - return ret; -} - - -static int -socket_proto_state_machine (transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = 0; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - ret = __socket_proto_state_machine (this); - } - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -static int -socket_event_poll_in (transport_t *this) -{ - int ret = -1; - - ret = socket_proto_state_machine (this); - - /* call POLLIN on xlator even if complete block is not received, - just to keep the last_received timestamp ticking */ - - if (ret == 0) - ret = xlator_notify (this->xl, GF_EVENT_POLLIN, this); - - return ret; -} - - -static int -socket_connect_finish (transport_t *this) -{ - int ret = -1; - socket_private_t *priv = NULL; - int event = -1; - char notify_xlator = 0; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected) - goto unlock; - - ret = __socket_connect_finish (priv->sock); - - if (ret == -1 && errno == EINPROGRESS) - ret = 1; - - if (ret == -1 && errno != EINPROGRESS) { - if (!priv->connect_finish_log) { - gf_log (this->xl->name, GF_LOG_ERROR, - "connection to %s failed (%s)", - this->peerinfo.identifier, - strerror (errno)); - priv->connect_finish_log = 1; - } - __socket_disconnect (this); - notify_xlator = 1; - event = GF_EVENT_POLLERR; - goto unlock; - } - - if (ret == 0) { - notify_xlator = 1; - - this->myinfo.sockaddr_len = - sizeof (this->myinfo.sockaddr); - - ret = getsockname (priv->sock, - SA (&this->myinfo.sockaddr), - &this->myinfo.sockaddr_len); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "getsockname on (%d) failed (%s)", - priv->sock, strerror (errno)); - __socket_disconnect (this); - event = GF_EVENT_POLLERR; - goto unlock; - } - - priv->connected = 1; - priv->connect_finish_log = 0; - event = GF_EVENT_CHILD_UP; - gf_get_transport_identifiers (this); - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - if (notify_xlator) - xlator_notify (this->xl, event, this); - - return 0; -} - - -static int -socket_event_handler (int fd, int idx, void *data, - int poll_in, int poll_out, int poll_err) -{ - transport_t *this = NULL; - socket_private_t *priv = NULL; - int ret = 0; - - this = data; - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - priv->idx = idx; - } - pthread_mutex_unlock (&priv->lock); - - if (!priv->connected) { - ret = socket_connect_finish (this); - } - - if (!ret && poll_out) { - ret = socket_event_poll_out (this); - } - - if (!ret && poll_in) { - ret = socket_event_poll_in (this); - } - - if (ret < 0 || poll_err) { - socket_event_poll_err (this); - transport_unref (this); - } - - return 0; -} - - -static int -socket_server_event_handler (int fd, int idx, void *data, - int poll_in, int poll_out, int poll_err) -{ - transport_t *this = NULL; - socket_private_t *priv = NULL; - int ret = 0; - int new_sock = -1; - transport_t *new_trans = NULL; - struct sockaddr_storage new_sockaddr = {0, }; - socklen_t addrlen = sizeof (new_sockaddr); - socket_private_t *new_priv = NULL; - glusterfs_ctx_t *ctx = NULL; - - this = data; - priv = this->private; - ctx = this->xl->ctx; - - pthread_mutex_lock (&priv->lock); - { - priv->idx = idx; - - if (poll_in) { - new_sock = accept (priv->sock, SA (&new_sockaddr), - &addrlen); - - if (new_sock == -1) - goto unlock; - - if (!priv->bio) { - ret = __socket_nonblock (new_sock); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "NBIO on %d failed (%s)", - new_sock, strerror (errno)); - close (new_sock); - goto unlock; - } - } - - if (priv->nodelay) { - ret = __socket_nodelay (new_sock); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setsockopt() failed for " - "NODELAY (%s)", - strerror (errno)); - } - } - - if (priv->keepalive) { - ret = __socket_keepalive (new_sock, - priv->keepaliveintvl); - if (ret == -1) - gf_log (this->xl->name, GF_LOG_ERROR, - "Failed to set keep-alive: %s", - strerror (errno)); - } - - new_trans = GF_CALLOC (1, sizeof (*new_trans), - gf_common_mt_transport_t); - new_trans->xl = this->xl; - new_trans->fini = this->fini; - - memcpy (&new_trans->peerinfo.sockaddr, &new_sockaddr, - addrlen); - new_trans->peerinfo.sockaddr_len = addrlen; - - new_trans->myinfo.sockaddr_len = - sizeof (new_trans->myinfo.sockaddr); - - ret = getsockname (new_sock, - SA (&new_trans->myinfo.sockaddr), - &new_trans->myinfo.sockaddr_len); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "getsockname on %d failed (%s)", - new_sock, strerror (errno)); - close (new_sock); - goto unlock; - } - - gf_get_transport_identifiers (new_trans); - socket_init (new_trans); - new_trans->ops = this->ops; - new_trans->init = this->init; - new_trans->fini = this->fini; - - new_priv = new_trans->private; - - pthread_mutex_lock (&new_priv->lock); - { - new_priv->sock = new_sock; - new_priv->connected = 1; - - transport_ref (new_trans); - new_priv->idx = - event_register (ctx->event_pool, - new_sock, - socket_event_handler, - new_trans, 1, 0); - - if (new_priv->idx == -1) - ret = -1; - } - pthread_mutex_unlock (&new_priv->lock); - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -static int -socket_disconnect (transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - ret = __socket_disconnect (this); - } - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -static int -socket_connect (transport_t *this) -{ - int ret = -1; - int sock = -1; - socket_private_t *priv = NULL; - struct sockaddr_storage sockaddr = {0, }; - socklen_t sockaddr_len = 0; - glusterfs_ctx_t *ctx = NULL; - sa_family_t sa_family = {0, }; - - priv = this->private; - ctx = this->xl->ctx; - - if (!priv) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "connect() called on uninitialized transport"); - goto err; - } - - pthread_mutex_lock (&priv->lock); - { - sock = priv->sock; - } - pthread_mutex_unlock (&priv->lock); - - if (sock != -1) { - gf_log (this->xl->name, GF_LOG_TRACE, - "connect () called on transport already connected"); - ret = 0; - goto err; - } - - ret = gf_socket_client_get_remote_sockaddr (this, SA (&sockaddr), - &sockaddr_len, &sa_family); - if (ret == -1) { - /* logged inside client_get_remote_sockaddr */ - goto err; - } - - pthread_mutex_lock (&priv->lock); - { - if (priv->sock != -1) { - gf_log (this->xl->name, GF_LOG_TRACE, - "connect() -- already connected"); - goto unlock; - } - - memcpy (&this->peerinfo.sockaddr, &sockaddr, sockaddr_len); - this->peerinfo.sockaddr_len = sockaddr_len; - - priv->sock = socket (sa_family, SOCK_STREAM, 0); - if (priv->sock == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "socket creation failed (%s)", - strerror (errno)); - goto unlock; - } - - /* Cant help if setting socket options fails. We can continue - * working nonetheless. - */ - if (setsockopt (priv->sock, SOL_SOCKET, SO_RCVBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setting receive window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - if (setsockopt (priv->sock, SOL_SOCKET, SO_SNDBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setting send window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - - if (priv->nodelay && priv->lowlat) { - ret = __socket_nodelay (priv->sock); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setsockopt() failed for NODELAY (%s)", - strerror (errno)); - } - } - - if (!priv->bio) { - ret = __socket_nonblock (priv->sock); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "NBIO on %d failed (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - } - - if (priv->keepalive) { - ret = __socket_keepalive (priv->sock, - priv->keepaliveintvl); - if (ret == -1) - gf_log (this->xl->name, GF_LOG_ERROR, - "Failed to set keep-alive: %s", - strerror (errno)); - } - - SA (&this->myinfo.sockaddr)->sa_family = - SA (&this->peerinfo.sockaddr)->sa_family; - - ret = gf_client_bind (this, SA (&this->myinfo.sockaddr), - &this->myinfo.sockaddr_len, priv->sock); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_WARNING, - "client bind failed: %s", strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - ret = connect (priv->sock, SA (&this->peerinfo.sockaddr), - this->peerinfo.sockaddr_len); - - if (ret == -1 && errno != EINPROGRESS) { - gf_log (this->xl->name, GF_LOG_ERROR, - "connection attempt failed (%s)", - strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - priv->connected = 0; - - transport_ref (this); - - priv->idx = event_register (ctx->event_pool, priv->sock, - socket_event_handler, this, 1, 1); - if (priv->idx == -1) - ret = -1; - } -unlock: - pthread_mutex_unlock (&priv->lock); - -err: - return ret; -} - - -static int -socket_listen (transport_t *this) -{ - socket_private_t * priv = NULL; - int ret = -1; - int sock = -1; - struct sockaddr_storage sockaddr; - socklen_t sockaddr_len; - peer_info_t *myinfo = NULL; - glusterfs_ctx_t *ctx = NULL; - sa_family_t sa_family = {0, }; - - priv = this->private; - myinfo = &this->myinfo; - ctx = this->xl->ctx; - - pthread_mutex_lock (&priv->lock); - { - sock = priv->sock; - } - pthread_mutex_unlock (&priv->lock); - - if (sock != -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "already listening"); - return ret; - } - - ret = gf_socket_server_get_local_sockaddr (this, SA (&sockaddr), - &sockaddr_len, &sa_family); - if (ret == -1) { - return ret; - } - - pthread_mutex_lock (&priv->lock); - { - if (priv->sock != -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "already listening"); - goto unlock; - } - - memcpy (&myinfo->sockaddr, &sockaddr, sockaddr_len); - myinfo->sockaddr_len = sockaddr_len; - - priv->sock = socket (sa_family, SOCK_STREAM, 0); - - if (priv->sock == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "socket creation failed (%s)", - strerror (errno)); - goto unlock; - } - - /* Cant help if setting socket options fails. We can continue - * working nonetheless. - */ - if (setsockopt (priv->sock, SOL_SOCKET, SO_RCVBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setting receive window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - if (setsockopt (priv->sock, SOL_SOCKET, SO_SNDBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setting send window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - if (priv->nodelay) { - ret = __socket_nodelay (priv->sock); - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "setsockopt() failed for NODELAY (%s)", - strerror (errno)); - } - } - - if (!priv->bio) { - ret = __socket_nonblock (priv->sock); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "NBIO on %d failed (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - } - - ret = __socket_server_bind (this); - - if (ret == -1) { - /* logged inside __socket_server_bind() */ - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - ret = listen (priv->sock, 10); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "could not set socket %d to listen mode (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - transport_ref (this); - - priv->idx = event_register (ctx->event_pool, priv->sock, - socket_server_event_handler, - this, 1, 0); - - if (priv->idx == -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "could not register socket %d with events", - priv->sock); - ret = -1; - close (priv->sock); - priv->sock = -1; - goto unlock; - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -static int -socket_receive (transport_t *this, char **hdr_p, size_t *hdrlen_p, - struct iobuf **iobuf_p) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected != 1) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "socket not connected to receive"); - goto unlock; - } - - if (!hdr_p || !hdrlen_p || !iobuf_p) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "bad parameters %p %p %p", - hdr_p, hdrlen_p, iobuf_p); - goto unlock; - } - - if (priv->incoming.state == SOCKET_PROTO_STATE_COMPLETE) { - *hdr_p = priv->incoming.hdr_p; - *hdrlen_p = priv->incoming.hdrlen; - *iobuf_p = priv->incoming.iobuf; - - memset (&priv->incoming, 0, sizeof (priv->incoming)); - priv->incoming.state = SOCKET_PROTO_STATE_NADA; - - ret = 0; - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -/* TODO: implement per transfer limit */ -static int -socket_submit (transport_t *this, char *buf, int len, - struct iovec *vector, int count, - struct iobref *iobref) -{ - socket_private_t *priv = NULL; - int ret = -1; - char need_poll_out = 0; - char need_append = 1; - struct ioq *entry = NULL; - glusterfs_ctx_t *ctx = NULL; - - priv = this->private; - ctx = this->xl->ctx; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected != 1) { - if (!priv->submit_log && !priv->connect_finish_log) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "not connected (priv->connected = %d)", - priv->connected); - priv->submit_log = 1; - } - goto unlock; - } - - priv->submit_log = 0; - entry = __socket_ioq_new (this, buf, len, vector, count, iobref); - if (!entry) - goto unlock; - - if (list_empty (&priv->ioq)) { - ret = __socket_ioq_churn_entry (this, entry); - - if (ret == 0) - need_append = 0; - - if (ret > 0) - need_poll_out = 1; - } - - if (need_append) { - list_add_tail (&entry->list, &priv->ioq); - ret = 0; - } - - if (need_poll_out) { - /* first entry to wait. continue writing on POLLOUT */ - priv->idx = event_select_on (ctx->event_pool, - priv->sock, - priv->idx, -1, 1); - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -struct transport_ops tops = { - .listen = socket_listen, - .connect = socket_connect, - .disconnect = socket_disconnect, - .submit = socket_submit, - .receive = socket_receive -}; - - -static int -socket_init (transport_t *this) -{ - socket_private_t *priv = NULL; - gf_boolean_t tmp_bool = 0; - uint64_t windowsize = GF_DEFAULT_SOCKET_WINDOW_SIZE; - char *optstr = NULL; - uint32_t keepalive = 0; - - if (this->private) { - gf_log (this->xl->name, GF_LOG_DEBUG, - "double init attempted"); - return -1; - } - - priv = GF_CALLOC (1, sizeof (*priv), - gf_common_mt_socket_private_t); - if (!priv) { - gf_log (this->xl->name, GF_LOG_ERROR, - "calloc (1, %"GF_PRI_SIZET") returned NULL", - sizeof (*priv)); - return -1; - } - - pthread_mutex_init (&priv->lock, NULL); - - priv->sock = -1; - priv->idx = -1; - priv->connected = -1; - - INIT_LIST_HEAD (&priv->ioq); - - if (dict_get (this->xl->options, "non-blocking-io")) { - optstr = data_to_str (dict_get (this->xl->options, - "non-blocking-io")); - - if (gf_string2boolean (optstr, &tmp_bool) == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "'non-blocking-io' takes only boolean options," - " not taking any action"); - tmp_bool = 1; - } - priv->bio = 0; - if (!tmp_bool) { - priv->bio = 1; - gf_log (this->xl->name, GF_LOG_WARNING, - "disabling non-blocking IO"); - } - } - - optstr = NULL; - - // By default, we enable NODELAY - priv->nodelay = 1; - if (dict_get (this->xl->options, "transport.socket.nodelay")) { - optstr = data_to_str (dict_get (this->xl->options, - "transport.socket.nodelay")); - - if (gf_string2boolean (optstr, &tmp_bool) == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "'transport.socket.nodelay' takes only " - "boolean options, not taking any action"); - tmp_bool = 1; - } - if (!tmp_bool) { - priv->nodelay = 0; - gf_log (this->xl->name, GF_LOG_DEBUG, - "disabling nodelay"); - } - } - - - optstr = NULL; - if (dict_get_str (this->xl->options, "transport.window-size", - &optstr) == 0) { - if (gf_string2bytesize (optstr, &windowsize) != 0) { - gf_log (this->xl->name, GF_LOG_ERROR, - "invalid number format: %s", optstr); - return -1; - } - } - - optstr = NULL; - - if (dict_get_str (this->xl->options, "transport.socket.lowlat", - &optstr) == 0) { - priv->lowlat = 1; - } - - /* Enable Keep-alive by default. */ - priv->keepalive = 1; - priv->keepaliveintvl = GF_USE_DEFAULT_KEEPALIVE; - if (dict_get_str (this->xl->options, "transport.socket.keepalive", - &optstr) == 0) { - if (gf_string2boolean (optstr, &tmp_bool) == -1) { - gf_log (this->xl->name, GF_LOG_ERROR, - "'transport.socket.keepalive' takes only " - "boolean options, not taking any action"); - tmp_bool = 1; - } - - if (!tmp_bool) - priv->keepalive = 0; - - } - - if (dict_get_uint32 (this->xl->options, - "transport.socket.keepalive-interval", - &keepalive) == 0) { - priv->keepaliveintvl = keepalive; - } - - priv->windowsize = (int)windowsize; - this->private = priv; - - return 0; -} - - -void -fini (transport_t *this) -{ - socket_private_t *priv = this->private; - - if (!priv) - return; - this->private = NULL; - gf_log (this->xl->name, GF_LOG_TRACE, - "transport %p destroyed", this); - - pthread_mutex_destroy (&priv->lock); - GF_FREE (priv); -} - - -int32_t -init (transport_t *this) -{ - int ret = -1; - - ret = socket_init (this); - - if (ret == -1) { - gf_log (this->xl->name, GF_LOG_DEBUG, "socket_init() failed"); - } - - return ret; -} - -struct volume_options options[] = { - { .key = {"remote-port", - "transport.remote-port", - "transport.socket.remote-port"}, - .type = GF_OPTION_TYPE_INT - }, - { .key = {"transport.socket.listen-port", "listen-port"}, - .type = GF_OPTION_TYPE_INT - }, - { .key = {"transport.socket.bind-address", "bind-address" }, - .type = GF_OPTION_TYPE_INTERNET_ADDRESS - }, - { .key = {"transport.socket.connect-path", "connect-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport.socket.bind-path", "bind-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport.socket.listen-path", "listen-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = { "transport.address-family", - "address-family" }, - .value = {"inet", "inet6", "inet/inet6", "inet6/inet", - "unix", "inet-sdp" }, - .type = GF_OPTION_TYPE_STR - }, - - { .key = {"non-blocking-io"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"transport.window-size"}, - .type = GF_OPTION_TYPE_SIZET, - .min = GF_MIN_SOCKET_WINDOW_SIZE, - .max = GF_MAX_SOCKET_WINDOW_SIZE, - }, - { .key = {"transport.socket.nodelay"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"transport.socket.lowlat"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"transport.socket.keepalive"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"transport.socket.keepalive-interval"}, - .type = GF_OPTION_TYPE_INT - }, - { .key = {NULL} } -}; - diff --git a/xlators/protocol/legacy/transport/socket/src/socket.h b/xlators/protocol/legacy/transport/socket/src/socket.h deleted file mode 100644 index e1dc9a91e67..00000000000 --- a/xlators/protocol/legacy/transport/socket/src/socket.h +++ /dev/null @@ -1,129 +0,0 @@ -/* - Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _SOCKET_H -#define _SOCKET_H - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "event.h" -#include "transport.h" -#include "logging.h" -#include "dict.h" -#include "mem-pool.h" -#include "socket-mem-types.h" - -#ifndef MAX_IOVEC -#define MAX_IOVEC 16 -#endif /* MAX_IOVEC */ - -#define GF_DEFAULT_SOCKET_LISTEN_PORT 6996 - -/* This is the size set through setsockopt for - * both the TCP receive window size and the - * send buffer size. - * Till the time iobuf size becomes configurable, this size is set to include - * two iobufs + the GlusterFS protocol headers. - * Linux allows us to over-ride the max values for the system. - * Should we over-ride them? Because if we set a value larger than the default - * setsockopt will fail. Having larger values might be beneficial for - * IB links. - */ -#define GF_DEFAULT_SOCKET_WINDOW_SIZE (512 * GF_UNIT_KB) -#define GF_MAX_SOCKET_WINDOW_SIZE (1 * GF_UNIT_MB) -#define GF_MIN_SOCKET_WINDOW_SIZE (128 * GF_UNIT_KB) - -#define GF_USE_DEFAULT_KEEPALIVE (-1) - -typedef enum { - SOCKET_PROTO_STATE_NADA = 0, - SOCKET_PROTO_STATE_HEADER_COMING, - SOCKET_PROTO_STATE_HEADER_CAME, - SOCKET_PROTO_STATE_DATA_COMING, - SOCKET_PROTO_STATE_DATA_CAME, - SOCKET_PROTO_STATE_COMPLETE, -} socket_proto_state_t; - -struct socket_header { - char colonO[3]; - uint32_t size1; - uint32_t size2; - char version; -} __attribute__((packed)); - - -struct ioq { - union { - struct list_head list; - struct { - struct ioq *next; - struct ioq *prev; - }; - }; - struct socket_header header; - struct iovec vector[MAX_IOVEC]; - int count; - struct iovec *pending_vector; - int pending_count; - char *buf; - struct iobref *iobref; -}; - - -typedef struct { - int32_t sock; - int32_t idx; - unsigned char connected; // -1 = not connected. 0 = in progress. 1 = connected - char bio; - char connect_finish_log; - char submit_log; - union { - struct list_head ioq; - struct { - struct ioq *ioq_next; - struct ioq *ioq_prev; - }; - }; - struct { - int state; - struct socket_header header; - char *hdr_p; - size_t hdrlen; - struct iobuf *iobuf; - char *buf_p; - size_t buflen; - struct iovec vector[2]; - int count; - struct iovec *pending_vector; - int pending_count; - } incoming; - pthread_mutex_t lock; - int windowsize; - char lowlat; - char nodelay; - int keepalive; - int keepaliveintvl; -} socket_private_t; - - -#endif diff --git a/xlators/storage/bdb/Makefile.am b/xlators/storage/bdb/Makefile.am deleted file mode 100644 index d471a3f9243..00000000000 --- a/xlators/storage/bdb/Makefile.am +++ /dev/null @@ -1,3 +0,0 @@ -SUBDIRS = src - -CLEANFILES = diff --git a/xlators/storage/bdb/src/Makefile.am b/xlators/storage/bdb/src/Makefile.am deleted file mode 100644 index 7e2376979ce..00000000000 --- a/xlators/storage/bdb/src/Makefile.am +++ /dev/null @@ -1,18 +0,0 @@ - -xlator_LTLIBRARIES = bdb.la -xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/testing/storage - -bdb_la_LDFLAGS = -module -avoidversion - -bdb_la_SOURCES = bctx.c bdb-ll.c bdb.c -bdb_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la - -noinst_HEADERS = bdb.h - -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64 -D_GNU_SOURCE -D$(GF_HOST_OS) -Wall \ - -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) - -AM_LDFLAGS = -ldb - -CLEANFILES = - diff --git a/xlators/storage/bdb/src/bctx.c b/xlators/storage/bdb/src/bctx.c deleted file mode 100644 index 61560edfaea..00000000000 --- a/xlators/storage/bdb/src/bctx.c +++ /dev/null @@ -1,341 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include <list.h> -#include <bdb.h> -#include <libgen.h> /* for dirname */ - -static void -__destroy_bctx (bctx_t *bctx) -{ - if (bctx->directory) - GF_FREE (bctx->directory); - - if (bctx->db_path) - GF_FREE (bctx->db_path); - - GF_FREE (bctx); -} - -static void -__unhash_bctx (bctx_t *bctx) -{ - list_del_init (&bctx->b_hash); -} - -static int32_t -bctx_table_prune (bctx_table_t *table) -{ - int32_t ret = 0; - struct list_head purge = {0,}; - struct list_head *next = NULL; - bctx_t *entry = NULL; - bctx_t *del = NULL, *tmp = NULL; - - if (!table) - return 0; - - INIT_LIST_HEAD (&purge); - - LOCK (&table->lock); - { - if ((table->lru_limit) && - (table->lru_size > table->lru_limit)) { - while (table->lru_size > table->lru_limit) { - next = table->b_lru.next; - entry = list_entry (next, bctx_t, list); - - list_move_tail (next, &table->purge); - __unhash_bctx (entry); - - table->lru_size--; - ret++; - } - } - list_move_tail (&purge, &table->purge); - list_del_init (&table->purge); - } - UNLOCK (&table->lock); - - list_for_each_entry_safe (del, tmp, &purge, list) { - list_del_init (&del->list); - if (del->primary) { - ret = del->primary->close (del->primary, 0); - if (ret != 0) { - gf_log (table->this->name, GF_LOG_DEBUG, - "_BCTX_TABLE_PRUNE %s: %s " - "(failed to close primary database)", - del->directory, db_strerror (ret)); - } else { - gf_log (table->this->name, GF_LOG_DEBUG, - "_BCTX_TABLE_PRUNE %s (lru=%d)" - "(closed primary database)", - del->directory, table->lru_size); - } - } - if (del->secondary) { - ret = del->secondary->close (del->secondary, 0); - if (ret != 0) { - gf_log (table->this->name, GF_LOG_DEBUG, - "_BCTX_TABLE_PRUNE %s: %s " - "(failed to close secondary database)", - del->directory, db_strerror (ret)); - } else { - gf_log (table->this->name, GF_LOG_DEBUG, - "_BCTX_TABLE_PRUNE %s (lru=%d)" - "(closed secondary database)", - del->directory, table->lru_size); - } - } - __destroy_bctx (del); - } - - return ret; -} - - -/* struct bdb_ctx related */ -static inline uint32_t -bdb_key_hash (char *key, uint32_t hash_size) -{ - uint32_t hash = 0; - - hash = *key; - - if (hash) { - for (key += 1; *key != '\0'; key++) { - hash = (hash << 5) - hash + *key; - } - } - - return (hash + *key) % hash_size; -} - -static void -__hash_bctx (bctx_t *bctx) -{ - bctx_table_t *table = NULL; - char *key = NULL; - - table = bctx->table; - - MAKE_KEY_FROM_PATH (key, bctx->directory); - bctx->key_hash = bdb_key_hash (key, table->hash_size); - - list_del_init (&bctx->b_hash); - list_add (&bctx->b_hash, &table->b_hash[bctx->key_hash]); -} - -static inline bctx_t * -__bctx_passivate (bctx_t *bctx) -{ - if (bctx->primary) { - list_move_tail (&bctx->list, &(bctx->table->b_lru)); - bctx->table->lru_size++; - } else { - list_move_tail (&bctx->list, &bctx->table->purge); - __unhash_bctx (bctx); - } - return bctx; -} - -static inline bctx_t * -__bctx_activate (bctx_t *bctx) -{ - list_move (&bctx->list, &bctx->table->active); - bctx->table->lru_size--; - - return bctx; -} - -static bctx_t * -__bdb_ctx_unref (bctx_t *bctx) -{ - GF_ASSERT (bctx->ref); - - --bctx->ref; - - if (!bctx->ref) - bctx = __bctx_passivate (bctx); - - return bctx; -} - - -bctx_t * -bctx_unref (bctx_t *bctx) -{ - bctx_table_t *table = NULL; - - if (!bctx && !bctx->table) - return NULL; - - table = bctx->table; - - LOCK (&table->lock); - { - bctx = __bdb_ctx_unref (bctx); - } - UNLOCK (&table->lock); - - bctx_table_prune (table); - - return bctx; -} - -/* - * NOTE: __bdb_ctx_ref() is called only after holding table->lock and - * bctx->lock, in that order - */ -static inline bctx_t * -__bctx_ref (bctx_t *bctx) -{ - if (!bctx->ref) - __bctx_activate (bctx); - - bctx->ref++; - - return bctx; -} - -bctx_t * -bctx_ref (bctx_t *bctx) -{ - LOCK (&(bctx->table->lock)); - { - __bctx_ref (bctx); - } - UNLOCK (&(bctx->table->lock)); - - return bctx; -} - - -#define BDB_THIS(table) (table->this) - -static inline bctx_t * -__create_bctx (bctx_table_t *table, - const char *path) -{ - bctx_t *bctx = NULL; - char *db_path = NULL; - - bctx = GF_CALLOC (1, sizeof (*bctx), gf_bdb_mt_bctx_t); - GF_VALIDATE_OR_GOTO ("bctx", bctx, out); - - bctx->table = table; - bctx->directory = gf_strdup (path); - GF_VALIDATE_OR_GOTO ("bctx", bctx->directory, out); - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, BDB_THIS (table), path); - - bctx->db_path = gf_strdup (db_path); - GF_VALIDATE_OR_GOTO ("bctx", bctx->directory, out); - - INIT_LIST_HEAD (&bctx->c_list); - INIT_LIST_HEAD (&bctx->list); - INIT_LIST_HEAD (&bctx->b_hash); - - LOCK_INIT (&bctx->lock); - - __hash_bctx (bctx); - - list_add (&bctx->list, &table->b_lru); - table->lru_size++; - -out: - return bctx; -} - -/* bctx_lookup - lookup bctx_t for the directory @directory. - * (see description of bctx_t in bdb.h) - * - * @table: bctx_table_t for this instance of bdb. - * @directory: directory for which bctx_t is being looked up. - */ -bctx_t * -bctx_lookup (bctx_table_t *table, - const char *directory) -{ - char *key = NULL; - uint32_t key_hash = 0; - bctx_t *trav = NULL, *bctx = NULL, *tmp = NULL; - int32_t need_break = 0; - - GF_VALIDATE_OR_GOTO ("bctx", table, out); - GF_VALIDATE_OR_GOTO ("bctx", directory, out); - - MAKE_KEY_FROM_PATH (key, directory); - key_hash = bdb_key_hash (key, table->hash_size); - - LOCK (&table->lock); - { - if (list_empty (&table->b_hash[key_hash])) { - goto creat_bctx; - } - - list_for_each_entry_safe (trav, tmp, &table->b_hash[key_hash], - b_hash) { - LOCK(&trav->lock); - { - if (!strcmp(trav->directory, directory)) { - bctx = __bctx_ref (trav); - need_break = 1; - } - } - UNLOCK(&trav->lock); - - if (need_break) - break; - } - - creat_bctx: - if (!bctx) { - bctx = __create_bctx (table, directory); - bctx = __bctx_ref (bctx); - } - } - UNLOCK (&table->lock); -out: - return bctx; -} - - -bctx_t * -bctx_parent (bctx_table_t *table, - const char *path) -{ - char *pathname = NULL, *directory = NULL; - bctx_t *bctx = NULL; - - GF_VALIDATE_OR_GOTO ("bctx", table, out); - GF_VALIDATE_OR_GOTO ("bctx", path, out); - - pathname = gf_strdup (path); - GF_VALIDATE_OR_GOTO ("bctx", pathname, out); - directory = dirname (pathname); - - bctx = bctx_lookup (table, directory); - GF_VALIDATE_OR_GOTO ("bctx", bctx, out); - -out: - if (pathname) - free (pathname); - return bctx; -} diff --git a/xlators/storage/bdb/src/bdb-ll.c b/xlators/storage/bdb/src/bdb-ll.c deleted file mode 100644 index f70ec47f494..00000000000 --- a/xlators/storage/bdb/src/bdb-ll.c +++ /dev/null @@ -1,1464 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include <libgen.h> -#include "bdb.h" -#include <list.h> -#include "hashfn.h" -/* - * implement the procedures to interact with bdb */ - -/**************************************************************** - * - * General wrappers and utility procedures for bdb xlator - * - ****************************************************************/ - -ino_t -bdb_inode_transform (ino_t parent, - const char *name, - size_t namelen) -{ - ino_t ino = -1; - uint64_t hash = 0; - - hash = gf_dm_hashfn (name, namelen); - - ino = (((parent << 32) | 0x00000000ffffffffULL) - & (hash | 0xffffffff00000000ULL)); - - return ino; -} - -static int -bdb_generate_secondary_hash (DB *secondary, - const DBT *pkey, - const DBT *data, - DBT *skey) -{ - char *primary = NULL; - uint32_t *hash = NULL; - - primary = pkey->data; - - hash = GF_CALLOC (1, sizeof (uint32_t), gf_bdb_mt_uint32_t); - - *hash = gf_dm_hashfn (primary, pkey->size); - - skey->data = hash; - skey->size = sizeof (hash); - skey->flags = DB_DBT_APPMALLOC; - - return 0; -} - -/*********************************************************** - * - * bdb storage database utilities - * - **********************************************************/ - -/* - * bdb_db_open - opens a storage db. - * - * @ctx: context specific to the directory for which we are supposed to open db - * - * see, if we have empty slots to open a db. - * if (no-empty-slots), then prune open dbs and close as many as possible - * if (empty-slot-available), tika muchkonDu db open maaDu - * - */ -static int -bdb_db_open (bctx_t *bctx) -{ - DB *primary = NULL; - DB *secondary = NULL; - int32_t ret = -1; - bctx_table_t *table = NULL; - - GF_VALIDATE_OR_GOTO ("bdb-ll", bctx, out); - - table = bctx->table; - GF_VALIDATE_OR_GOTO ("bdb-ll", table, out); - - /* we have to do the following, we can't deny someone of db_open ;) */ - ret = db_create (&primary, table->dbenv, 0); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_OPEN %s: %s (failed to create database object" - " for primary database)", - bctx->directory, db_strerror (ret)); - ret = -ENOMEM; - goto out; - } - - if (table->page_size) { - ret = primary->set_pagesize (primary, - table->page_size); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_OPEN %s: %s (failed to set page-size " - "to %"PRIu64")", - bctx->directory, db_strerror (ret), - table->page_size); - } else { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_OPEN %s: page-size set to %"PRIu64, - bctx->directory, table->page_size); - } - } - - ret = primary->open (primary, NULL, bctx->db_path, "primary", - table->access_mode, table->dbflags, 0); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "_BDB_DB_OPEN %s: %s " - "(failed to open primary database)", - bctx->directory, db_strerror (ret)); - ret = -1; - goto cleanup; - } - - ret = db_create (&secondary, table->dbenv, 0); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_OPEN %s: %s (failed to create database object" - " for secondary database)", - bctx->directory, db_strerror (ret)); - ret = -ENOMEM; - goto cleanup; - } - - ret = secondary->open (secondary, NULL, bctx->db_path, "secondary", - table->access_mode, table->dbflags, 0); - if (ret != 0 ) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "_BDB_DB_OPEN %s: %s " - "(failed to open secondary database)", - bctx->directory, db_strerror (ret)); - ret = -1; - goto cleanup; - } - - ret = primary->associate (primary, NULL, secondary, - bdb_generate_secondary_hash, -#ifdef DB_IMMUTABLE_KEY - DB_IMMUTABLE_KEY); -#else - 0); -#endif - if (ret != 0 ) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "_BDB_DB_OPEN %s: %s " - "(failed to associate primary database with " - "secondary database)", - bctx->directory, db_strerror (ret)); - ret = -1; - goto cleanup; - } - -out: - bctx->primary = primary; - bctx->secondary = secondary; - - return ret; -cleanup: - if (primary) - primary->close (primary, 0); - if (secondary) - secondary->close (secondary, 0); - - return ret; -} - -int32_t -bdb_cursor_close (bctx_t *bctx, - DBC *cursorp) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO ("bdb-ll", bctx, out); - GF_VALIDATE_OR_GOTO ("bdb-ll", cursorp, out); - - LOCK (&bctx->lock); - { -#ifdef HAVE_BDB_CURSOR_GET - ret = cursorp->close (cursorp); -#else - ret = cursorp->c_close (cursorp); -#endif - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CURSOR_CLOSE %s: %s " - "(failed to close database cursor)", - bctx->directory, db_strerror (ret)); - } - } - UNLOCK (&bctx->lock); - -out: - return ret; -} - - -int32_t -bdb_cursor_open (bctx_t *bctx, - DBC **cursorpp) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO ("bdb-ll", bctx, out); - GF_VALIDATE_OR_GOTO ("bdb-ll", cursorpp, out); - - LOCK (&bctx->lock); - { - if (bctx->secondary) { - /* do nothing, just continue */ - ret = 0; - } else { - ret = bdb_db_open (bctx); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CURSOR_OPEN %s: ENOMEM " - "(failed to open secondary database)", - bctx->directory); - ret = -ENOMEM; - } else { - ret = 0; - } - } - - if (ret == 0) { - /* all set, open cursor */ - ret = bctx->secondary->cursor (bctx->secondary, - NULL, cursorpp, 0); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CURSOR_OPEN %s: %s " - "(failed to open a cursor to database)", - bctx->directory, db_strerror (ret)); - } - } - } - UNLOCK (&bctx->lock); - -out: - return ret; -} - - -/* cache related */ -static bdb_cache_t * -bdb_cache_lookup (bctx_t *bctx, - char *path) -{ - bdb_cache_t *bcache = NULL; - bdb_cache_t *trav = NULL; - char *key = NULL; - - GF_VALIDATE_OR_GOTO ("bdb-ll", bctx, out); - GF_VALIDATE_OR_GOTO ("bdb-ll", path, out); - - MAKE_KEY_FROM_PATH (key, path); - - LOCK (&bctx->lock); - { - list_for_each_entry (trav, &bctx->c_list, c_list) { - if (!strcmp (trav->key, key)){ - bcache = trav; - break; - } - } - } - UNLOCK (&bctx->lock); - -out: - return bcache; -} - -static int32_t -bdb_cache_insert (bctx_t *bctx, - DBT *key, - DBT *data) -{ - bdb_cache_t *bcache = NULL; - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO ("bdb-ll", bctx, out); - GF_VALIDATE_OR_GOTO ("bdb-ll", key, out); - GF_VALIDATE_OR_GOTO ("bdb-ll", data, out); - - LOCK (&bctx->lock); - { - if (bctx->c_count > 5) { - /* most of the times, we enter here */ - /* FIXME: ugly, not supposed to disect any of the - * 'struct list_head' directly */ - if (!list_empty (&bctx->c_list)) { - bcache = list_entry (bctx->c_list.prev, - bdb_cache_t, c_list); - list_del_init (&bcache->c_list); - } - if (bcache->key) { - GF_FREE (bcache->key); - bcache->key = GF_CALLOC (key->size + 1, - sizeof (char), - gf_bdb_mt_char); - GF_VALIDATE_OR_GOTO ("bdb-ll", - bcache->key, unlock); - memcpy (bcache->key, (char *)key->data, - key->size); - } else { - /* should never come here */ - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CACHE_INSERT %s (%s) " - "(found a cache entry with empty key)", - bctx->directory, (char *)key->data); - } /* if(bcache->key)...else */ - if (bcache->data) { - GF_FREE (bcache->data); - bcache->data = memdup (data->data, data->size); - GF_VALIDATE_OR_GOTO ("bdb-ll", bcache->data, - unlock); - bcache->size = data->size; - } else { - /* should never come here */ - gf_log ("bdb-ll", GF_LOG_CRITICAL, - "_BDB_CACHE_INSERT %s (%s) " - "(found a cache entry with no data)", - bctx->directory, (char *)key->data); - } /* if(bcache->data)...else */ - list_add (&bcache->c_list, &bctx->c_list); - ret = 0; - } else { - /* we will be entering here very rarely */ - bcache = GF_CALLOC (1, sizeof (*bcache), - gf_bdb_mt_bdb_cache_t); - GF_VALIDATE_OR_GOTO ("bdb-ll", bcache, unlock); - - bcache->key = GF_CALLOC (key->size + 1, sizeof (char), - gf_bdb_mt_char); - GF_VALIDATE_OR_GOTO ("bdb-ll", bcache->key, unlock); - memcpy (bcache->key, key->data, key->size); - - bcache->data = memdup (data->data, data->size); - GF_VALIDATE_OR_GOTO ("bdb-ll", bcache->data, unlock); - - bcache->size = data->size; - list_add (&bcache->c_list, &bctx->c_list); - bctx->c_count++; - ret = 0; - } /* if(private->c_count < 5)...else */ - } -unlock: - UNLOCK (&bctx->lock); -out: - return ret; -} - -static int32_t -bdb_cache_delete (bctx_t *bctx, - const char *key) -{ - bdb_cache_t *bcache = NULL; - bdb_cache_t *trav = NULL; - - GF_VALIDATE_OR_GOTO ("bdb-ll", bctx, out); - GF_VALIDATE_OR_GOTO ("bdb-ll", key, out); - - LOCK (&bctx->lock); - { - list_for_each_entry (trav, &bctx->c_list, c_list) { - if (!strcmp (trav->key, key)){ - bctx->c_count--; - bcache = trav; - break; - } - } - - if (bcache) { - list_del_init (&bcache->c_list); - GF_FREE (bcache->key); - GF_FREE (bcache->data); - GF_FREE (bcache); - } - } - UNLOCK (&bctx->lock); - -out: - return 0; -} - -void * -bdb_db_stat (bctx_t *bctx, - DB_TXN *txnid, - uint32_t flags) -{ - DB *storage = NULL; - void *stat = NULL; - int32_t ret = -1; - - LOCK (&bctx->lock); - { - if (bctx->primary == NULL) { - ret = bdb_db_open (bctx); - storage = bctx->primary; - } else { - /* we are just fine, lets continue */ - storage = bctx->primary; - } /* if(bctx->dbp==NULL)...else */ - } - UNLOCK (&bctx->lock); - - GF_VALIDATE_OR_GOTO ("bdb-ll", storage, out); - - ret = storage->stat (storage, txnid, &stat, flags); - - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_STAT %s: %s " - "(failed to do stat database)", - bctx->directory, db_strerror (ret)); - } -out: - return stat; - -} - -/* bdb_storage_get - retrieve a key/value pair corresponding to @path from the - * corresponding db file. - * - * @bctx: bctx_t * corresponding to the parent directory of @path. (should - * always be a valid bctx). bdb_storage_get should never be called if - * @bctx = NULL. - * @txnid: NULL if bdb_storage_get is not embedded in an explicit transaction - * or a valid DB_TXN *, when embedded in an explicit transaction. - * @path: path of the file to read from (translated to a database key using - * MAKE_KEY_FROM_PATH) - * @buf: char ** - pointer to a pointer to char. a read buffer is created in - * this procedure and pointer to the buffer is passed through @buf to the - * caller. - * @size: size of the file content to be read. - * @offset: offset from which the file content to be read. - * - * NOTE: bdb_storage_get tries to open DB, if @bctx->dbp == NULL - * (@bctx->dbp == NULL, nobody has opened DB till now or DB was closed by - * bdb_table_prune()). - * - * NOTE: if private->cache is set (bdb xlator's internal caching enabled), then - * bdb_storage_get first looks up the cache for key/value pair. if - * bdb_lookup_cache fails, then only DB->get() is called. also, inserts a - * newly read key/value pair to cache through bdb_insert_to_cache. - * - * return: 'number of bytes read' on success or -1 on error. - * - * also see: bdb_lookup_cache, bdb_insert_to_cache for details about bdb - * xlator's internal cache. - */ -static int32_t -bdb_db_get (bctx_t *bctx, - DB_TXN *txnid, - const char *path, - char *buf, - size_t size, - off_t offset) -{ - DB *storage = NULL; - DBT key = {0,}; - DBT value = {0,}; - int32_t ret = -1; - size_t copy_size = 0; - char *key_string = NULL; - bdb_cache_t *bcache = NULL; - int32_t db_flags = 0; - uint8_t need_break = 0; - int32_t retries = 1; - - GF_VALIDATE_OR_GOTO ("bdb-ll", bctx, out); - GF_VALIDATE_OR_GOTO ("bdb-ll", path, out); - - MAKE_KEY_FROM_PATH (key_string, path); - - if (bctx->cache && - ((bcache = bdb_cache_lookup (bctx, key_string)) != NULL)) { - if (buf) { - copy_size = ((bcache->size - offset) < size)? - (bcache->size - offset) : size; - - memcpy (buf, (bcache->data + offset), copy_size); - ret = copy_size; - } else { - ret = bcache->size; - } - - goto out; - } - - LOCK (&bctx->lock); - { - if (bctx->primary == NULL) { - ret = bdb_db_open (bctx); - storage = bctx->primary; - } else { - /* we are just fine, lets continue */ - storage = bctx->primary; - } /* if(bctx->dbp==NULL)...else */ - } - UNLOCK (&bctx->lock); - - GF_VALIDATE_OR_GOTO ("bdb-ll", storage, out); - - key.data = (char *)key_string; - key.size = strlen (key_string); - key.flags = DB_DBT_USERMEM; - - if (bctx->cache){ - value.flags = DB_DBT_MALLOC; - } else { - if (size) { - value.data = buf; - value.ulen = size; - value.flags = DB_DBT_USERMEM | DB_DBT_PARTIAL; - } else { - value.flags = DB_DBT_MALLOC; - } - value.dlen = size; - value.doff = offset; - } - - do { - /* TODO: we prefer to give our own buffer to value.data - * and ask bdb to fill in it */ - ret = storage->get (storage, txnid, &key, &value, - db_flags); - - if (ret == DB_NOTFOUND) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_GET %s - %s: ENOENT" - "(specified key not found in database)", - bctx->directory, key_string); - ret = -1; - need_break = 1; - } else if (ret == DB_LOCK_DEADLOCK) { - retries++; - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_GET %s - %s" - "(deadlock detected, retrying for %d " - "time)", - bctx->directory, key_string, retries); - } else if (ret == 0) { - /* successfully read data, lets set everything - * in place and return */ - if (bctx->cache) { - if (buf) { - copy_size = ((value.size - offset) < size) ? - (value.size - offset) : size; - - memcpy (buf, (value.data + offset), - copy_size); - ret = copy_size; - } - - bdb_cache_insert (bctx, &key, &value); - } else { - ret = value.size; - } - - if (size == 0) - GF_FREE (value.data); - - need_break = 1; - } else { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_GET %s - %s: %s" - "(failed to retrieve specified key from" - " database)", - bctx->directory, key_string, - db_strerror (ret)); - ret = -1; - need_break = 1; - } - } while (!need_break); - -out: - return ret; -}/* bdb_db_get */ - -/* TODO: handle errors here and log. propogate only the errno to caller */ -int32_t -bdb_db_fread (struct bdb_fd *bfd, char *buf, size_t size, off_t offset) -{ - return bdb_db_get (bfd->ctx, NULL, bfd->key, buf, size, offset); -} - -int32_t -bdb_db_iread (struct bdb_ctx *bctx, const char *key, char **bufp) -{ - char *buf = NULL; - size_t size = 0; - int64_t ret = 0; - - ret = bdb_db_get (bctx, NULL, key, NULL, 0, 0); - size = ret; - - if (bufp) { - buf = GF_CALLOC (size, sizeof (char), gf_bdb_mt_char); - *bufp = buf; - ret = bdb_db_get (bctx, NULL, key, buf, size, 0); - } - - return ret; -} - -/* bdb_storage_put - insert a key/value specified to the corresponding DB. - * - * @bctx: bctx_t * corresponding to the parent directory of @path. - * (should always be a valid bctx). bdb_storage_put should never be - * called if @bctx = NULL. - * @txnid: NULL if bdb_storage_put is not embedded in an explicit transaction - * or a valid DB_TXN *, when embedded in an explicit transaction. - * @key_string: key of the database entry. - * @buf: pointer to the buffer data to be written as data for @key_string. - * @size: size of @buf. - * @offset: offset in the key's data to be modified with provided data. - * @flags: valid flags are BDB_TRUNCATE_RECORD (to reduce the data of - * @key_string to 0 size). - * - * NOTE: bdb_storage_put tries to open DB, if @bctx->dbp == NULL - * (@bctx->dbp == NULL, nobody has opened DB till now or DB was closed by - * bdb_table_prune()). - * - * NOTE: bdb_storage_put deletes the key/value from bdb xlator's internal cache. - * - * return: 0 on success or -1 on error. - * - * also see: bdb_cache_delete for details on how a cached key/value pair is - * removed. - */ -static int32_t -bdb_db_put (bctx_t *bctx, - DB_TXN *txnid, - const char *key_string, - const char *buf, - size_t size, - off_t offset, - int32_t flags) -{ - DB *storage = NULL; - DBT key = {0,}, value = {0,}; - int32_t ret = -1; - int32_t db_flags = DB_AUTO_COMMIT; - uint8_t need_break = 0; - int32_t retries = 1; - - LOCK (&bctx->lock); - { - if (bctx->primary == NULL) { - ret = bdb_db_open (bctx); - storage = bctx->primary; - } else { - /* we are just fine, lets continue */ - storage = bctx->primary; - } - } - UNLOCK (&bctx->lock); - - GF_VALIDATE_OR_GOTO ("bdb-ll", storage, out); - - if (bctx->cache) { - ret = bdb_cache_delete (bctx, (char *)key_string); - GF_VALIDATE_OR_GOTO ("bdb-ll", (ret == 0), out); - } - - key.data = (void *)key_string; - key.size = strlen (key_string); - - /* NOTE: bdb lets us expand the file, suppose value.size > value.len, - * then value.len bytes from value.doff offset and value.size bytes - * will be written from value.doff and data from - * value.doff + value.dlen will be pushed value.doff + value.size - */ - value.data = (void *)buf; - - if (flags & BDB_TRUNCATE_RECORD) { - value.size = size; - value.doff = 0; - value.dlen = offset; - } else { - value.size = size; - value.dlen = size; - value.doff = offset; - } - value.flags = DB_DBT_PARTIAL; - if (buf == NULL && size == 0) - /* truncate called us */ - value.flags = 0; - - do { - ret = storage->put (storage, txnid, &key, &value, db_flags); - if (ret == DB_LOCK_DEADLOCK) { - retries++; - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_PUT %s - %s" - "(deadlock detected, retying for %d time)", - bctx->directory, key_string, retries); - } else if (ret) { - /* write failed */ - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_PUT %s - %s: %s" - "(failed to put specified entry into database)", - bctx->directory, key_string, db_strerror (ret)); - need_break = 1; - } else { - /* successfully wrote */ - ret = 0; - need_break = 1; - } - } while (!need_break); -out: - return ret; -}/* bdb_db_put */ - -int32_t -bdb_db_icreate (struct bdb_ctx *bctx, const char *key) -{ - return bdb_db_put (bctx, NULL, key, NULL, 0, 0, 0); -} - -/* TODO: handle errors here and log. propogate only the errno to caller */ -int32_t -bdb_db_fwrite (struct bdb_fd *bfd, char *buf, size_t size, off_t offset) -{ - return bdb_db_put (bfd->ctx, NULL, bfd->key, buf, size, offset, 0); -} - -/* TODO: handle errors here and log. propogate only the errno to caller */ -int32_t -bdb_db_iwrite (struct bdb_ctx *bctx, const char *key, char *buf, size_t size) -{ - return bdb_db_put (bctx, NULL, key, buf, size, 0, 0); -} - -int32_t -bdb_db_itruncate (struct bdb_ctx *bctx, const char *key) -{ - return bdb_db_put (bctx, NULL, key, NULL, 0, 1, 0); -} - -/* bdb_storage_del - delete a key/value pair corresponding to @path from - * corresponding db file. - * - * @bctx: bctx_t * corresponding to the parent directory of @path. - * (should always be a valid bctx). bdb_storage_del should never be called - * if @bctx = NULL. - * @txnid: NULL if bdb_storage_del is not embedded in an explicit transaction - * or a valid DB_TXN *, when embedded in an explicit transaction. - * @path: path to the file, whose key/value pair has to be deleted. - * - * NOTE: bdb_storage_del tries to open DB, if @bctx->dbp == NULL - * (@bctx->dbp == NULL, nobody has opened DB till now or DB was closed by - * bdb_table_prune()). - * - * return: 0 on success or -1 on error. - */ -static int32_t -bdb_db_del (bctx_t *bctx, - DB_TXN *txnid, - const char *key_string) -{ - DB *storage = NULL; - DBT key = {0,}; - int32_t ret = -1; - int32_t db_flags = 0; - uint8_t need_break = 0; - int32_t retries = 1; - - LOCK (&bctx->lock); - { - if (bctx->primary == NULL) { - ret = bdb_db_open (bctx); - storage = bctx->primary; - } else { - /* we are just fine, lets continue */ - storage = bctx->primary; - } - } - UNLOCK (&bctx->lock); - - GF_VALIDATE_OR_GOTO ("bdb-ll", storage, out); - - ret = bdb_cache_delete (bctx, key_string); - GF_VALIDATE_OR_GOTO ("bdb-ll", (ret == 0), out); - - key.data = (char *)key_string; - key.size = strlen (key_string); - key.flags = DB_DBT_USERMEM; - - do { - ret = storage->del (storage, txnid, &key, db_flags); - - if (ret == DB_NOTFOUND) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_DEL %s - %s: ENOENT" - "(failed to delete entry, could not be " - "found in the database)", - bctx->directory, key_string); - need_break = 1; - } else if (ret == DB_LOCK_DEADLOCK) { - retries++; - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_DEL %s - %s" - "(deadlock detected, retying for %d time)", - bctx->directory, key_string, retries); - } else if (ret == 0) { - /* successfully deleted the entry */ - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_DEL %s - %s" - "(successfully deleted entry from database)", - bctx->directory, key_string); - ret = 0; - need_break = 1; - } else { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_DB_DEL %s - %s: %s" - "(failed to delete entry from database)", - bctx->directory, key_string, db_strerror (ret)); - ret = -1; - need_break = 1; - } - } while (!need_break); -out: - return ret; -} - -int32_t -bdb_db_iremove (bctx_t *bctx, - const char *key) -{ - return bdb_db_del (bctx, NULL, key); -} - -/* NOTE: bdb version compatibility wrapper */ -int32_t -bdb_cursor_get (DBC *cursorp, - DBT *sec, DBT *pri, - DBT *val, - int32_t flags) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO ("bdb-ll", cursorp, out); - -#ifdef HAVE_BDB_CURSOR_GET - ret = cursorp->pget (cursorp, sec, pri, val, flags); -#else - ret = cursorp->c_pget (cursorp, sec, pri, val, flags); -#endif - if ((ret != 0) && (ret != DB_NOTFOUND)) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CURSOR_GET: %s" - "(failed to retrieve entry from database cursor)", - db_strerror (ret)); - } - -out: - return ret; -}/* bdb_cursor_get */ - -int32_t -bdb_dirent_size (DBT *key) -{ - return GF_DIR_ALIGN (24 /* FIX MEEEE!!! */ + key->size); -} - - - -/* bdb_dbenv_init - initialize DB_ENV - * - * initialization includes: - * 1. opening DB_ENV (db_env_create(), DB_ENV->open()). - * NOTE: see private->envflags for flags used. - * 2. DB_ENV->set_lg_dir - set log directory to be used for storing log files - * (log files are the files in which transaction logs are written by db). - * 3. DB_ENV->set_flags (DB_LOG_AUTOREMOVE) - set DB_ENV to automatically - * clear the unwanted log files (flushed at each checkpoint). - * 4. DB_ENV->set_errfile - set errfile to be used by db to report detailed - * error logs. used only for debbuging purpose. - * - * return: returns a valid DB_ENV * on success or NULL on error. - * - */ -static DB_ENV * -bdb_dbenv_init (xlator_t *this, - char *directory) -{ - /* Create a DB environment */ - DB_ENV *dbenv = NULL; - int32_t ret = 0; - bdb_private_t *private = NULL; - int32_t fatal_flags = 0; - - VALIDATE_OR_GOTO (this, err); - VALIDATE_OR_GOTO (directory, err); - - private = this->private; - VALIDATE_OR_GOTO (private, err); - - ret = db_env_create (&dbenv, 0); - VALIDATE_OR_GOTO ((ret == 0), err); - - /* NOTE: set_errpfx returns 'void' */ - dbenv->set_errpfx(dbenv, this->name); - - ret = dbenv->set_lk_detect (dbenv, DB_LOCK_DEFAULT); - VALIDATE_OR_GOTO ((ret == 0), err); - - ret = dbenv->open(dbenv, directory, - private->envflags, - S_IRUSR | S_IWUSR); - if ((ret != 0) && (ret != DB_RUNRECOVERY)) { - gf_log (this->name, GF_LOG_CRITICAL, - "failed to join Berkeley DB environment at %s: %s." - "please run manual recovery and retry running " - "glusterfs", - directory, db_strerror (ret)); - dbenv = NULL; - goto err; - } else if (ret == DB_RUNRECOVERY) { - fatal_flags = ((private->envflags & (~DB_RECOVER)) - | DB_RECOVER_FATAL); - ret = dbenv->open(dbenv, directory, fatal_flags, - S_IRUSR | S_IWUSR); - if (ret != 0) { - gf_log (this->name, GF_LOG_CRITICAL, - "failed to join Berkeley DB environment in " - "recovery mode at %s: %s. please run manual " - "recovery and retry running glusterfs", - directory, db_strerror (ret)); - dbenv = NULL; - goto err; - } - } - - ret = 0; -#if (DB_VERSION_MAJOR == 4 && \ - DB_VERSION_MINOR == 7) - if (private->log_auto_remove) { - ret = dbenv->log_set_config (dbenv, DB_LOG_AUTO_REMOVE, 1); - } else { - ret = dbenv->log_set_config (dbenv, DB_LOG_AUTO_REMOVE, 0); - } -#else - if (private->log_auto_remove) { - ret = dbenv->set_flags (dbenv, DB_LOG_AUTOREMOVE, 1); - } else { - ret = dbenv->set_flags (dbenv, DB_LOG_AUTOREMOVE, 0); - } -#endif - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "autoremoval of transactional log files could not be " - "configured (%s). you may have to do a manual " - "monitoring of transactional log files and remove " - "periodically.", - db_strerror (ret)); - goto err; - } - - if (private->transaction) { - ret = dbenv->set_flags(dbenv, DB_AUTO_COMMIT, 1); - - if (ret != 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "configuration of auto-commit failed for " - "database environment at %s. none of the " - "operations will be embedded in transaction " - "unless explicitly done so.", - db_strerror (ret)); - goto err; - } - - if (private->txn_timeout) { - ret = dbenv->set_timeout (dbenv, private->txn_timeout, - DB_SET_TXN_TIMEOUT); - if (ret != 0) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "could not configure Berkeley DB " - "transaction timeout to %d (%s). please" - " review 'option transaction-timeout %d" - "' option.", - private->txn_timeout, - db_strerror (ret), - private->txn_timeout); - goto err; - } - } - - if (private->lock_timeout) { - ret = dbenv->set_timeout(dbenv, - private->txn_timeout, - DB_SET_LOCK_TIMEOUT); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "could not configure Berkeley DB " - "lock timeout to %d (%s). please" - " review 'option lock-timeout %d" - "' option.", - private->lock_timeout, - db_strerror (ret), - private->lock_timeout); - goto err; - } - } - - ret = dbenv->set_lg_dir (dbenv, private->logdir); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "failed to configure libdb transaction log " - "directory at %s. please review the " - "'option logdir %s' option.", - db_strerror (ret), private->logdir); - goto err; - } - } - - if (private->errfile) { - private->errfp = fopen (private->errfile, "a+"); - if (private->errfp) { - dbenv->set_errfile (dbenv, private->errfp); - } else { - gf_log ("bdb-ll", GF_LOG_ERROR, - "failed to open error logging file for " - "libdb (Berkeley DB) internal logging (%s)." - "please review the 'option errfile %s' option.", - strerror (errno), private->errfile); - goto err; - } - } - - return dbenv; -err: - if (dbenv) { - dbenv->close (dbenv, 0); - } - - return NULL; -} - -#define BDB_ENV(this) ((((struct bdb_private *)this->private)->b_table)->dbenv) - -/* bdb_checkpoint - during transactional usage, db does not directly write the - * data to db files, instead db writes a 'log' (similar to a journal entry) - * into a log file. db normally clears the log files during opening of an - * environment. since we expect a filesystem server to run for a pretty long - * duration and flushing 'log's during dbenv->open would prove very costly, if - * we accumulate the log entries for one complete run of glusterfs server. to - * flush the logs frequently, db provides a mechanism called 'checkpointing'. - * when we do a checkpoint, db flushes the logs to disk (writes changes to db - * files) and we can also clear the accumulated log files after checkpointing. - * NOTE: removing unwanted log files is not part of dbenv->txn_checkpoint() - * call. - * - * @data: xlator_t of the current instance of bdb xlator. - * - * bdb_checkpoint is called in a different thread from the main glusterfs - * thread. bdb xlator creates the checkpoint thread after successfully opening - * the db environment. - * NOTE: bdb_checkpoint thread shares the DB_ENV handle with the filesystem - * thread. - * - * db environment checkpointing frequency is controlled by - * 'option checkpoint-timeout <time-in-seconds>' in volfile. - * - * NOTE: checkpointing thread is started only if 'option transaction on' - * specified in volfile. checkpointing is not valid for non-transactional - * environments. - * - */ -static void * -bdb_checkpoint (void *data) -{ - xlator_t *this = NULL; - struct bdb_private *private = NULL; - DB_ENV *dbenv = NULL; - int32_t ret = 0; - uint32_t active = 0; - - this = (xlator_t *) data; - dbenv = BDB_ENV(this); - private = this->private; - - for (;;sleep (private->checkpoint_interval)) { - LOCK (&private->active_lock); - active = private->active; - UNLOCK (&private->active_lock); - - if (active) { - ret = dbenv->txn_checkpoint (dbenv, 1024, 0, 0); - if (ret) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CHECKPOINT: %s" - "(failed to checkpoint environment)", - db_strerror (ret)); - } else { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CHECKPOINT: successfully " - "checkpointed"); - } - } else { - ret = dbenv->txn_checkpoint (dbenv, 1024, 0, 0); - if (ret) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "_BDB_CHECKPOINT: %s" - "(final checkpointing failed. might " - "need to run recovery tool manually on " - "next usage of this database " - "environment)", - db_strerror (ret)); - } else { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "_BDB_CHECKPOINT: final successfully " - "checkpointed"); - } - break; - } - } - - return NULL; -} - - -/* bdb_db_init - initialize bdb xlator - * - * reads the options from @options dictionary and sets appropriate values in - * @this->private. also initializes DB_ENV. - * - * return: 0 on success or -1 on error - * (with logging the error through gf_log()). - */ -int -bdb_db_init (xlator_t *this, - dict_t *options) -{ - /* create a db entry for root */ - int32_t op_ret = 0; - bdb_private_t *private = NULL; - bctx_table_t *table = NULL; - - char *checkpoint_interval_str = NULL; - char *page_size_str = NULL; - char *lru_limit_str = NULL; - char *timeout_str = NULL; - char *access_mode = NULL; - char *endptr = NULL; - char *errfile = NULL; - char *directory = NULL; - char *logdir = NULL; - char *mode = NULL; - char *mode_str = NULL; - int ret = -1; - int idx = 0; - struct stat stbuf = {0,}; - - private = this->private; - - /* cache is always on */ - private->cache = ON; - - ret = dict_get_str (options, "access-mode", &access_mode); - if ((ret == 0) - && (!strcmp (access_mode, "btree"))) { - gf_log (this->name, GF_LOG_DEBUG, - "using BTREE access mode to access libdb " - "(Berkeley DB)"); - private->access_mode = DB_BTREE; - } else { - gf_log (this->name, GF_LOG_DEBUG, - "using HASH access mode to access libdb (Berkeley DB)"); - private->access_mode = DB_HASH; - } - - ret = dict_get_str (options, "mode", &mode); - if ((ret == 0) - && (!strcmp (mode, "cache"))) { - gf_log (this->name, GF_LOG_DEBUG, - "cache data mode selected for 'storage/bdb'. filesystem" - " operations are not transactionally protected and " - "system crash does not guarantee recoverability of " - "data"); - private->envflags = DB_CREATE | DB_INIT_LOG | - DB_INIT_MPOOL | DB_THREAD; - private->dbflags = DB_CREATE | DB_THREAD; - private->transaction = OFF; - } else { - gf_log (this->name, GF_LOG_DEBUG, - "persistent data mode selected for 'storage/bdb'. each" - "filesystem operation is guaranteed to be Berkeley DB " - "transaction protected."); - private->transaction = ON; - private->envflags = DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | - DB_INIT_MPOOL | DB_INIT_TXN | DB_RECOVER | DB_THREAD; - private->dbflags = DB_CREATE | DB_THREAD; - - - ret = dict_get_str (options, "lock-timeout", &timeout_str); - - if (ret == 0) { - ret = gf_string2time (timeout_str, - &private->lock_timeout); - - if (private->lock_timeout > 4260000) { - /* db allows us to DB_SET_LOCK_TIMEOUT to be - * set to a maximum of 71 mins - * (4260000 milliseconds) */ - gf_log (this->name, GF_LOG_DEBUG, - "Berkeley DB lock-timeout parameter " - "(%d) is out of range. please specify" - " a valid timeout value for " - "lock-timeout and retry.", - private->lock_timeout); - goto err; - } - } - ret = dict_get_str (options, "transaction-timeout", - &timeout_str); - if (ret == 0) { - ret = gf_string2time (timeout_str, - &private->txn_timeout); - - if (private->txn_timeout > 4260000) { - /* db allows us to DB_SET_TXN_TIMEOUT to be set - * to a maximum of 71 mins - * (4260000 milliseconds) */ - gf_log (this->name, GF_LOG_DEBUG, - "Berkeley DB lock-timeout parameter " - "(%d) is out of range. please specify" - " a valid timeout value for " - "lock-timeout and retry.", - private->lock_timeout); - goto err; - } - } - - private->checkpoint_interval = BDB_DEFAULT_CHECKPOINT_INTERVAL; - ret = dict_get_str (options, "checkpoint-interval", - &checkpoint_interval_str); - if (ret == 0) { - ret = gf_string2time (checkpoint_interval_str, - &private->checkpoint_interval); - - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "'%"PRIu32"' is not a valid parameter " - "for checkpoint-interval option. " - "please specify a valid " - "checkpoint-interval and retry", - private->checkpoint_interval); - goto err; - } - } - } - - ret = dict_get_str (options, "file-mode", &mode_str); - if (ret == 0) { - private->file_mode = strtol (mode_str, &endptr, 8); - - if ((*endptr) || - (!IS_VALID_FILE_MODE(private->file_mode))) { - gf_log (this->name, GF_LOG_DEBUG, - "'%o' is not a valid parameter for file-mode " - "option. please specify a valid parameter for " - "file-mode and retry.", - private->file_mode); - goto err; - } - } else { - private->file_mode = DEFAULT_FILE_MODE; - } - private->symlink_mode = private->file_mode | S_IFLNK; - private->file_mode = private->file_mode | S_IFREG; - - ret = dict_get_str (options, "dir-mode", &mode_str); - if (ret == 0) { - private->dir_mode = strtol (mode_str, &endptr, 8); - if ((*endptr) || - (!IS_VALID_FILE_MODE(private->dir_mode))) { - gf_log (this->name, GF_LOG_DEBUG, - "'%o' is not a valid parameter for dir-mode " - "option. please specify a valid parameter for " - "dir-mode and retry.", - private->dir_mode); - goto err; - } - } else { - private->dir_mode = DEFAULT_DIR_MODE; - } - - private->dir_mode = private->dir_mode | S_IFDIR; - - table = GF_CALLOC (1, sizeof (*table), gf_bdb_mt_bctx_table_t); - if (table == NULL) { - gf_log ("bdb-ll", GF_LOG_CRITICAL, - "memory allocation for 'storage/bdb' internal " - "context table failed."); - goto err; - } - - INIT_LIST_HEAD(&(table->b_lru)); - INIT_LIST_HEAD(&(table->active)); - INIT_LIST_HEAD(&(table->purge)); - - LOCK_INIT (&table->lock); - LOCK_INIT (&table->checkpoint_lock); - - table->transaction = private->transaction; - table->access_mode = private->access_mode; - table->dbflags = private->dbflags; - table->this = this; - - ret = dict_get_str (options, "lru-limit", - &lru_limit_str); - - /* TODO: set max lockers and max txns to accomodate - * for more than lru_limit */ - if (ret == 0) { - ret = gf_string2uint32 (lru_limit_str, - &table->lru_limit); - gf_log ("bdb-ll", GF_LOG_DEBUG, - "setting lru limit of 'storage/bdb' internal context" - "table to %d. maximum of %d unused databases can be " - "open at any given point of time.", - table->lru_limit, table->lru_limit); - } else { - table->lru_limit = BDB_DEFAULT_LRU_LIMIT; - } - - ret = dict_get_str (options, "page-size", - &page_size_str); - - if (ret == 0) { - ret = gf_string2bytesize (page_size_str, - &table->page_size); - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "\"%s\" is an invalid parameter to " - "\"option page-size\". please specify a valid " - "size and retry.", - page_size_str); - goto err; - } - - if (!PAGE_SIZE_IN_RANGE(table->page_size)) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "\"%s\" is out of range for Berkeley DB " - "page-size. allowed page-size range is %d to " - "%d. please specify a page-size value in the " - "range and retry.", - page_size_str, BDB_LL_PAGE_SIZE_MIN, - BDB_LL_PAGE_SIZE_MAX); - goto err; - } - } else { - table->page_size = BDB_LL_PAGE_SIZE_DEFAULT; - } - - table->hash_size = BDB_DEFAULT_HASH_SIZE; - table->b_hash = GF_CALLOC (BDB_DEFAULT_HASH_SIZE, - sizeof (struct list_head), - gf_bdb_mt_list_head); - - for (idx = 0; idx < table->hash_size; idx++) - INIT_LIST_HEAD(&(table->b_hash[idx])); - - private->b_table = table; - - ret = dict_get_str (options, "errfile", &errfile); - if (ret == 0) { - private->errfile = gf_strdup (errfile); - gf_log (this->name, GF_LOG_DEBUG, - "using %s as error logging file for libdb (Berkeley DB " - "library) internal logging.", private->errfile); - } - - ret = dict_get_str (options, "directory", &directory); - - if (ret == 0) { - ret = dict_get_str (options, "logdir", &logdir); - - if (ret < 0) { - gf_log ("bdb-ll", GF_LOG_DEBUG, - "using the database environment home " - "directory (%s) itself as transaction log " - "directory", directory); - private->logdir = gf_strdup (directory); - - } else { - private->logdir = gf_strdup (logdir); - - op_ret = stat (private->logdir, &stbuf); - if ((op_ret != 0) - || (!S_ISDIR (stbuf.st_mode))) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "specified logdir %s does not exist. " - "please provide a valid existing " - "directory as parameter to 'option " - "logdir'", - private->logdir); - goto err; - } - } - - private->b_table->dbenv = bdb_dbenv_init (this, directory); - if (private->b_table->dbenv == NULL) { - gf_log ("bdb-ll", GF_LOG_ERROR, - "initialization of database environment " - "failed"); - goto err; - } else { - if (private->transaction) { - /* all well, start the checkpointing thread */ - LOCK_INIT (&private->active_lock); - - LOCK (&private->active_lock); - { - private->active = 1; - } - UNLOCK (&private->active_lock); - pthread_create (&private->checkpoint_thread, - NULL, bdb_checkpoint, this); - } - } - } - - return op_ret; -err: - if (table) { - GF_FREE (table->b_hash); - GF_FREE (table); - } - if (private) { - if (private->errfile) - GF_FREE (private->errfile); - - if (private->logdir) - GF_FREE (private->logdir); - } - - return -1; -} diff --git a/xlators/storage/bdb/src/bdb-mem-types.h b/xlators/storage/bdb/src/bdb-mem-types.h deleted file mode 100644 index e68b8c0cae6..00000000000 --- a/xlators/storage/bdb/src/bdb-mem-types.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef __POSIX_MEM_TYPES_H__ -#define __POSIX_MEM_TYPES_H__ - -#include "mem-types.h" - -enum gf_bdb_mem_types_ { - gf_bdb_mt_bctx_t = gf_common_mt_end + 1, - gf_bdb_mt_bdb_fd, - gf_bdb_mt_dir_entry_t, - gf_bdb_mt_char, - gf_bdb_mt_dir_entry_t, - gf_bdb_mt_char, - gf_bdb_mt_bdb_private, - gf_bdb_mt_uint32_t, - gf_bdb_mt_char, - gf_bdb_mt_bdb_cache_t, - gf_bdb_mt_char, - gf_bdb_mt_bctx_table_t, - gf_bdb_mt_list_head, - gf_bdb_mt_end, -}; -#endif diff --git a/xlators/storage/bdb/src/bdb.c b/xlators/storage/bdb/src/bdb.c deleted file mode 100644 index 384094b57ad..00000000000 --- a/xlators/storage/bdb/src/bdb.c +++ /dev/null @@ -1,3603 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -/* bdb based storage translator - named as 'bdb' translator - * - * - * There can be only two modes for files existing on bdb translator: - * 1. DIRECTORY - directories are stored by bdb as regular directories on - * back-end file-system. directories also have an entry in the ns_db.db of - * their parent directory. - * 2. REGULAR FILE - regular files are stored as records in the storage_db.db - * present in the directory. regular files also have an entry in ns_db.db - * - * Internally bdb has a maximum of three different types of logical files - * associated with each directory: - * 1. storage_db.db - storage database, used to store the data corresponding to - * regular files in the form of key/value pair. file-name is the 'key' and - * data is 'value'. - * 2. directory (all subdirectories) - any subdirectory will have a regular - * directory entry. - */ -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#define __XOPEN_SOURCE 500 - -#include <stdint.h> -#include <sys/time.h> -#include <errno.h> -#include <ftw.h> -#include <libgen.h> - -#include "glusterfs.h" -#include "dict.h" -#include "logging.h" -#include "bdb.h" -#include "xlator.h" -#include "defaults.h" -#include "common-utils.h" - -/* to be used only by fops, nobody else */ -#define BDB_ENV(this) ((((struct bdb_private *)this->private)->b_table)->dbenv) -#define B_TABLE(this) (((struct bdb_private *)this->private)->b_table) - - -int32_t -bdb_mknod (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode, - dev_t dev) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - char *key_string = NULL; /* after translating path to DB key */ - char *db_path = NULL; - bctx_t *bctx = NULL; - struct stat stbuf = {0,}; - - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - if (!S_ISREG(mode)) { - gf_log (this->name, GF_LOG_DEBUG, - "MKNOD %"PRId64"/%s (%s): EPERM" - "(mknod supported only for regular files. " - "file mode '%o' not supported)", - loc->parent->ino, loc->name, loc->path, mode); - op_ret = -1; - op_errno = EPERM; - goto out; - } /* if(!S_ISREG(mode)) */ - - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "MKNOD %"PRId64"/%s (%s): ENOMEM" - "(failed to lookup database handle)", - loc->parent->ino, loc->name, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bctx->directory); - - op_ret = lstat (db_path, &stbuf); - if (op_ret != 0) { - op_errno = EINVAL; - gf_log (this->name, GF_LOG_DEBUG, - "MKNOD %"PRId64"/%s (%s): EINVAL" - "(failed to lookup database handle)", - loc->parent->ino, loc->name, loc->path); - goto out; - } - - MAKE_KEY_FROM_PATH (key_string, loc->path); - op_ret = bdb_db_icreate (bctx, key_string); - if (op_ret > 0) { - /* create successful */ - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, - key_string, - strlen (key_string)); - stbuf.st_mode = mode; - stbuf.st_size = 0; - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, \ - stbuf.st_blksize); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "MKNOD %"PRId64"/%s (%s): ENOMEM" - "(failed to create database entry)", - loc->parent->ino, loc->name, loc->path); - op_ret = -1; - op_errno = EINVAL; /* TODO: errno sari illa */ - goto out; - }/* if (!op_ret)...else */ - -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno, loc->inode, &stbuf); - return 0; -} - -static inline int32_t -is_dir_empty (xlator_t *this, - loc_t *loc) -{ - int32_t ret = 1; - bctx_t *bctx = NULL; - DIR *dir = NULL; - char *real_path = NULL; - void *dbstat = NULL; - struct dirent *entry = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - bctx = bctx_lookup (B_TABLE(this), loc->path); - if (bctx == NULL) { - ret = -ENOMEM; - goto out; - } - - dbstat = bdb_db_stat (bctx, NULL, 0); - if (dbstat) { - switch (bctx->table->access_mode) - { - case DB_HASH: - ret = (((DB_HASH_STAT *)dbstat)->hash_nkeys == 0); - break; - case DB_BTREE: - case DB_RECNO: - ret = (((DB_BTREE_STAT *)dbstat)->bt_nkeys == 0); - break; - case DB_QUEUE: - ret = (((DB_QUEUE_STAT *)dbstat)->qs_nkeys == 0); - break; - case DB_UNKNOWN: - gf_log (this->name, GF_LOG_CRITICAL, - "unknown access-mode set for database"); - ret = 0; - } - } else { - ret = -EBUSY; - goto out; - } - - MAKE_REAL_PATH (real_path, this, loc->path); - dir = opendir (real_path); - if (dir == NULL) { - ret = -errno; - goto out; - } - - while ((entry = readdir (dir))) { - if ((!IS_BDB_PRIVATE_FILE(entry->d_name)) && - (!IS_DOT_DOTDOT(entry->d_name))) { - ret = 0; - break; - }/* if(!IS_BDB_PRIVATE_FILE()) */ - } /* while(true) */ - closedir (dir); -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - return ret; -} - -int32_t -bdb_rename (call_frame_t *frame, - xlator_t *this, - loc_t *oldloc, - loc_t *newloc) -{ - STACK_UNWIND (frame, -1, EXDEV, NULL); - return 0; -} - -int32_t -bdb_link (call_frame_t *frame, - xlator_t *this, - loc_t *oldloc, - loc_t *newloc) -{ - STACK_UNWIND (frame, -1, EXDEV, NULL, NULL); - return 0; -} - -int32_t -is_space_left (xlator_t *this, - size_t size) -{ - struct bdb_private *private = this->private; - struct statvfs stbuf = {0,}; - int32_t ret = -1; - fsblkcnt_t req_blocks = 0; - fsblkcnt_t usable_blocks = 0; - - ret = statvfs (private->export_path, &stbuf); - if (ret != 0) { - ret = 0; - } else { - req_blocks = (size / stbuf.f_frsize) + 1; - - usable_blocks = (stbuf.f_bfree - BDB_ENOSPC_THRESHOLD); - - if (req_blocks < usable_blocks) - ret = 1; - else - ret = 0; - } - - return ret; -} - -int32_t -bdb_create (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t flags, - mode_t mode, - fd_t *fd) -{ - int32_t op_ret = -1; - int32_t op_errno = EPERM; - char *db_path = NULL; - struct stat stbuf = {0,}; - bctx_t *bctx = NULL; - struct bdb_private *private = NULL; - char *key_string = NULL; - struct bdb_fd *bfd = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - private = this->private; - - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "CREATE %"PRId64"/%s (%s): ENOMEM" - "(failed to lookup database handle)", - loc->parent->ino, loc->name, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bctx->directory); - op_ret = lstat (db_path, &stbuf); - if (op_ret != 0) { - op_errno = EINVAL; - gf_log (this->name, GF_LOG_DEBUG, - "CREATE %"PRId64"/%s (%s): EINVAL" - "(database file missing)", - loc->parent->ino, loc->name, loc->path); - goto out; - } - - MAKE_KEY_FROM_PATH (key_string, loc->path); - op_ret = bdb_db_icreate (bctx, key_string); - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "CREATE %"PRId64"/%s (%s): ENOMEM" - "(failed to create database entry)", - loc->parent->ino, loc->name, loc->path); - op_errno = EINVAL; /* TODO: errno sari illa */ - goto out; - } - - /* create successful */ - bfd = GF_CALLOC (1, sizeof (*bfd), gf_bdb_mt_bdb_fd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "CREATE %"PRId64"/%s (%s): ENOMEM" - "(failed to allocate memory for internal fd context)", - loc->parent->ino, loc->name, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - /* NOTE: bdb_get_bctx_from () returns bctx with a ref */ - bfd->ctx = bctx; - bfd->key = gf_strdup (key_string); - if (bfd->key == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "CREATE %"PRId64" (%s): ENOMEM" - "(failed to allocate memory for internal fd->key)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - BDB_FCTX_SET (fd, this, bfd); - - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, - key_string, - strlen (key_string)); - stbuf.st_mode = private->file_mode; - stbuf.st_size = 0; - stbuf.st_nlink = 1; - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, stbuf.st_blksize); - op_ret = 0; - op_errno = 0; -out: - STACK_UNWIND (frame, op_ret, op_errno, fd, loc->inode, &stbuf); - - return 0; -} - - -/* bdb_open - * - * as input parameters bdb_open gets the file name, i.e key. bdb_open should - * effectively - * do: store key, open storage db, store storage-db pointer. - * - */ -int32_t -bdb_open (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t flags, - fd_t *fd, - int32_t wbflags) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - bctx_t *bctx = NULL; - char *key_string = NULL; - struct bdb_fd *bfd = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "OPEN %"PRId64" (%s): ENOMEM" - "(failed to lookup database handle)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - bfd = GF_CALLOC (1, sizeof (*bfd), gf_bdb_mt_bdb_fd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "OPEN %"PRId64" (%s): ENOMEM" - "(failed to allocate memory for internal fd context)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - /* NOTE: bctx_parent () returns bctx with a ref */ - bfd->ctx = bctx; - - MAKE_KEY_FROM_PATH (key_string, loc->path); - bfd->key = gf_strdup (key_string); - if (bfd->key == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "OPEN %"PRId64" (%s): ENOMEM" - "(failed to allocate memory for internal fd->key)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - BDB_FCTX_SET (fd, this, bfd); - op_ret = 0; -out: - STACK_UNWIND (frame, op_ret, op_errno, fd); - - return 0; -} - -int32_t -bdb_readv (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - size_t size, - off_t offset) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - struct iovec vec = {0,}; - struct stat stbuf = {0,}; - struct bdb_fd *bfd = NULL; - char *db_path = NULL; - int32_t read_size = 0; - struct iobref *iobref = NULL; - struct iobuf *iobuf = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "READV %"PRId64" - %"GF_PRI_SIZET",%"PRId64": EBADFD" - "(internal fd not found through fd)", - fd->inode->ino, size, offset); - op_errno = EBADFD; - op_ret = -1; - goto out; - } - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bfd->ctx->directory); - op_ret = lstat (db_path, &stbuf); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "READV %"PRId64" - %"GF_PRI_SIZET",%"PRId64": EINVAL" - "(database file missing)", - fd->inode->ino, size, offset); - goto out; - } - - iobuf = iobuf_get (this->ctx->iobuf_pool); - if (!iobuf) { - gf_log (this->name, GF_LOG_ERROR, - "out of memory :("); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - /* we are ready to go */ - op_ret = bdb_db_fread (bfd, iobuf->ptr, size, offset); - read_size = op_ret; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "READV %"PRId64" - %"GF_PRI_SIZET",%"PRId64": EBADFD" - "(failed to find entry in database)", - fd->inode->ino, size, offset); - op_ret = -1; - op_errno = ENOENT; - goto out; - } else if (op_ret == 0) { - goto out; - } - - iobref = iobref_new (); - if (iobref == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "out of memory :("); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - if (size < read_size) { - op_ret = size; - read_size = size; - } - - iobref_add (iobref, iobuf); - - vec.iov_base = iobuf->ptr; - vec.iov_len = read_size; - - stbuf.st_ino = fd->inode->ino; - stbuf.st_size = bdb_db_fread (bfd, NULL, 0, 0); - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, stbuf.st_blksize); - op_ret = size; -out: - STACK_UNWIND (frame, op_ret, op_errno, &vec, 1, &stbuf, iobuf); - - if (iobref) - iobref_unref (iobref); - - if (iobuf) - iobuf_unref (iobuf); - - return 0; -} - - -int32_t -bdb_writev (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - struct iovec *vector, - int32_t count, - off_t offset, - struct iobref *iobref) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - struct stat stbuf = {0,}; - struct bdb_fd *bfd = NULL; - int32_t idx = 0; - off_t c_off = offset; - int32_t c_ret = -1; - char *db_path = NULL; - size_t total_size = 0; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - GF_VALIDATE_OR_GOTO (this->name, vector, out); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "WRITEV %"PRId64" - %"PRId32",%"PRId64": EBADFD" - "(internal fd not found through fd)", - fd->inode->ino, count, offset); - op_ret = -1; - op_errno = EBADFD; - goto out; - } - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bfd->ctx->directory); - op_ret = lstat (db_path, &stbuf); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_ERROR, - "WRITEV %"PRId64" - %"PRId32",%"PRId64": EINVAL" - "(database file missing)", - fd->inode->ino, count, offset); - goto out; - } - - for (idx = 0; idx < count; idx++) - total_size += vector[idx].iov_len; - - if (!is_space_left (this, total_size)) { - gf_log (this->name, GF_LOG_ERROR, - "WRITEV %"PRId64" - %"PRId32" (%"GF_PRI_SIZET"),%" - PRId64": ENOSPC " - "(not enough space after internal measurement)", - fd->inode->ino, count, total_size, offset); - op_ret = -1; - op_errno = ENOSPC; - goto out; - } - - /* we are ready to go */ - for (idx = 0; idx < count; idx++) { - c_ret = bdb_db_fwrite (bfd, vector[idx].iov_base, - vector[idx].iov_len, c_off); - if (c_ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "WRITEV %"PRId64" - %"PRId32",%"PRId64": EINVAL" - "(database write at %"PRId64" failed)", - fd->inode->ino, count, offset, c_off); - break; - } else { - c_off += vector[idx].iov_len; - } - op_ret += vector[idx].iov_len; - } /* for(idx=0;...)... */ - - if (c_ret) { - /* write failed after a point, not an error */ - stbuf.st_size = bdb_db_fread (bfd, NULL, 0, 0); - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, - stbuf.st_blksize); - goto out; - } - - /* NOTE: we want to increment stbuf->st_size, as stored in db */ - stbuf.st_size = op_ret; - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, stbuf.st_blksize); - op_errno = 0; - -out: - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - return 0; -} - -int32_t -bdb_flush (call_frame_t *frame, - xlator_t *this, - fd_t *fd) -{ - int32_t op_ret = -1; - int32_t op_errno = EPERM; - struct bdb_fd *bfd = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "FLUSH %"PRId64": EBADFD" - "(internal fd not found through fd)", - fd->inode->ino); - op_ret = -1; - op_errno = EBADFD; - goto out; - } - - /* do nothing */ - op_ret = 0; - op_errno = 0; - -out: - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -} - -int32_t -bdb_release (xlator_t *this, - fd_t *fd) -{ - int32_t op_ret = -1; - int32_t op_errno = EBADFD; - struct bdb_fd *bfd = NULL; - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "RELEASE %"PRId64": EBADFD" - "(internal fd not found through fd)", - fd->inode->ino); - op_ret = -1; - op_errno = EBADFD; - goto out; - } - - bctx_unref (bfd->ctx); - bfd->ctx = NULL; - - if (bfd->key) - GF_FREE (bfd->key); /* we did strdup() in bdb_open() */ - GF_FREE (bfd); - op_ret = 0; - op_errno = 0; - -out: - return 0; -}/* bdb_release */ - - -int32_t -bdb_fsync (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t datasync) -{ - STACK_UNWIND (frame, 0, 0); - return 0; -}/* bdb_fsync */ - -static int gf_bdb_lk_log; - -int32_t -bdb_lk (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t cmd, - struct gf_flock *lock) -{ - struct gf_flock nullock = {0, }; - - if (BDB_TIMED_LOG (ENOTSUP, gf_bdb_lk_log)) { - gf_log (this->name, GF_LOG_DEBUG, - "LK %"PRId64": ENOTSUP " - "(load \"features/locks\" translator to enable " - "lock support)", - fd->inode->ino); - } - - STACK_UNWIND (frame, -1, ENOTSUP, &nullock); - return 0; -}/* bdb_lk */ - -/* bdb_lookup - * - * there are four possibilities for a file being looked up: - * 1. file exists and is a directory. - * 2. file exists and is a symlink. - * 3. file exists and is a regular file. - * 4. file does not exist. - * case 1 and 2 are handled by doing lstat() on the @loc. if the file is a - * directory or symlink, lstat() succeeds. lookup continues to check if the - * @loc belongs to case-3 only if lstat() fails. - * to check for case 3, bdb_lookup does a bdb_db_iread() for the given @loc. - * (see description of bdb_db_iread() for more details on how @loc is transformed - * into db handle and key). if check for case 1, 2 and 3 fail, we proceed to - * conclude that file doesn't exist (case 4). - * - * @frame: call frame. - * @this: xlator_t of this instance of bdb xlator. - * @loc: loc_t specifying the file to operate upon. - * @need_xattr: if need_xattr != 0, we are asked to return all the extended - * attributed of @loc, if any exist, in a dictionary. if @loc is a regular - * file and need_xattr is set, then we look for value of need_xattr. if - * need_xattr > sizo-of-the-file @loc, then the file content of @loc is - * returned in dictionary of xattr with 'glusterfs.content' as dictionary key. - * - * NOTE: bdb currently supports only directories, symlinks and regular files. - * - * NOTE: bdb_lookup returns the 'struct stat' of underlying file itself, in - * case of directory and symlink (st_ino is modified as bdb allocates its own - * set of inodes of all files). for regular files, bdb uses 'struct stat' of - * the database file in which the @loc is stored as templete and modifies - * st_ino (see bdb_inode_transform for more details), st_mode (can be set in - * volfile 'option file-mode <mode>'), st_size (exact size of the @loc - * contents), st_blocks (block count on the underlying filesystem to - * accomodate st_size, see BDB_COUNT_BLOCKS in bdb.h for more details). - */ -int32_t -bdb_lookup (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - dict_t *xattr_req) -{ - struct stat stbuf = {0, }; - int32_t op_ret = -1; - int32_t op_errno = ENOENT; - dict_t *xattr = NULL; - char *pathname = NULL; - char *directory = NULL; - char *real_path = NULL; - bctx_t *bctx = NULL; - char *db_path = NULL; - struct bdb_private *private = NULL; - char *key_string = NULL; - int32_t entry_size = 0; - char *file_content = NULL; - uint64_t need_xattr = 0; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - private = this->private; - - MAKE_REAL_PATH (real_path, this, loc->path); - - pathname = gf_strdup (loc->path); - GF_VALIDATE_OR_GOTO (this->name, pathname, out); - - directory = dirname (pathname); - GF_VALIDATE_OR_GOTO (this->name, directory, out); - - if (!strcmp (directory, loc->path)) { - /* SPECIAL CASE: looking up root */ - op_ret = lstat (real_path, &stbuf); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64" (%s): %s", - loc->ino, loc->path, strerror (op_errno)); - goto out; - } - - /* bctx_lookup() returns NULL only when its time to wind up, - * we should shutdown functioning */ - bctx = bctx_lookup (B_TABLE(this), (char *)loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64" (%s): ENOMEM" - "(failed to lookup database handle)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - stbuf.st_ino = 1; - stbuf.st_mode = private->dir_mode; - - op_ret = 0; - goto out; - } - - MAKE_KEY_FROM_PATH (key_string, loc->path); - op_ret = lstat (real_path, &stbuf); - if ((op_ret == 0) && (S_ISDIR (stbuf.st_mode))){ - bctx = bctx_lookup (B_TABLE(this), (char *)loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64"/%s (%s): ENOMEM" - "(failed to lookup database handle)", - loc->parent->ino, loc->name, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - if (loc->ino) { - /* revalidating directory inode */ - stbuf.st_ino = loc->ino; - } else { - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, - key_string, - strlen (key_string)); - } - stbuf.st_mode = private->dir_mode; - - op_ret = 0; - goto out; - - } else if (op_ret == 0) { - /* a symlink */ - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64"/%s (%s): ENOMEM" - "(failed to lookup database handle)", - loc->parent->ino, loc->name, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - if (loc->ino) { - stbuf.st_ino = loc->ino; - } else { - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, - key_string, - strlen (key_string)); - } - - stbuf.st_mode = private->symlink_mode; - - op_ret = 0; - goto out; - - } - - /* for regular files */ - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64"/%s (%s): ENOMEM" - "(failed to lookup database handle for parent)", - loc->parent->ino, loc->name, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - if (GF_FILE_CONTENT_REQUESTED(xattr_req, &need_xattr)) { - entry_size = bdb_db_iread (bctx, key_string, &file_content); - } else { - entry_size = bdb_db_iread (bctx, key_string, NULL); - } - - op_ret = entry_size; - if (op_ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64"/%s (%s): ENOENT" - "(database entry not found)", - loc->parent->ino, loc->name, loc->path); - op_errno = ENOENT; - goto out; - } - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bctx->directory); - op_ret = lstat (db_path, &stbuf); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "LOOKUP %"PRId64"/%s (%s): %s", - loc->parent->ino, loc->name, loc->path, - strerror (op_errno)); - goto out; - } - - if (entry_size - && (need_xattr >= entry_size) - && (file_content)) { - xattr = dict_new (); - op_ret = dict_set_dynptr (xattr, "glusterfs.content", - file_content, entry_size); - if (op_ret < 0) { - /* continue without giving file contents */ - GF_FREE (file_content); - } - } else { - if (file_content) - GF_FREE (file_content); - } - - if (loc->ino) { - /* revalidate */ - stbuf.st_ino = loc->ino; - stbuf.st_size = entry_size; - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, - stbuf.st_blksize); - } else { - /* fresh lookup, create an inode number */ - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, - key_string, - strlen (key_string)); - stbuf.st_size = entry_size; - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, - stbuf.st_blksize); - }/* if(inode->ino)...else */ - stbuf.st_nlink = 1; - stbuf.st_mode = private->file_mode; - - op_ret = 0; -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - if (pathname) - GF_FREE (pathname); - - if (xattr) - dict_ref (xattr); - - STACK_UNWIND (frame, op_ret, op_errno, loc->inode, &stbuf, xattr); - - if (xattr) - dict_unref (xattr); - - return 0; - -}/* bdb_lookup */ - -int32_t -bdb_stat (call_frame_t *frame, - xlator_t *this, - loc_t *loc) -{ - - struct stat stbuf = {0,}; - char *real_path = NULL; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - struct bdb_private *private = NULL; - char *db_path = NULL; - bctx_t *bctx = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - private = this->private; - GF_VALIDATE_OR_GOTO (this->name, private, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - - op_ret = lstat (real_path, &stbuf); - op_errno = errno; - if (op_ret == 0) { - /* directory or symlink */ - stbuf.st_ino = loc->inode->ino; - if (S_ISDIR(stbuf.st_mode)) - stbuf.st_mode = private->dir_mode; - else - stbuf.st_mode = private->symlink_mode; - /* we are done, lets unwind the stack */ - goto out; - } - - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "STAT %"PRId64" (%s): ENOMEM" - "(no database handle for parent)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bctx->directory); - op_ret = lstat (db_path, &stbuf); - if (op_ret < 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "STAT %"PRId64" (%s): %s" - "(failed to stat on database file)", - loc->ino, loc->path, strerror (op_errno)); - goto out; - } - - stbuf.st_size = bdb_db_iread (bctx, loc->path, NULL); - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, stbuf.st_blksize); - stbuf.st_ino = loc->inode->ino; - -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -}/* bdb_stat */ - - - -/* bdb_opendir - in the world of bdb, open/opendir is all about opening - * correspondind databases. opendir in particular, opens the database for the - * directory which is to be opened. after opening the database, a cursor to - * the database is also created. cursor helps us get the dentries one after - * the other, and cursor maintains the state about current positions in - * directory. pack 'pointer to db', 'pointer to the cursor' into - * struct bdb_dir and store it in fd->ctx, we get from our parent xlator. - * - * @frame: call frame - * @this: our information, as we filled during init() - * @loc: location information - * @fd: file descriptor structure (glusterfs internal) - * - * return value - immaterial, async call. - * - */ -int32_t -bdb_opendir (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - fd_t *fd) -{ - char *real_path = NULL; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - bctx_t *bctx = NULL; - struct bdb_dir *bfd = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - - bctx = bctx_lookup (B_TABLE(this), (char *)loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "OPENDIR %"PRId64" (%s): ENOMEM" - "(no database handle for directory)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - bfd = GF_CALLOC (1, sizeof (*bfd), gf_bdb_mt_bdb_fd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "OPENDIR %"PRId64" (%s): ENOMEM" - "(failed to allocate memory for internal fd)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto err; - } - - bfd->dir = opendir (real_path); - if (bfd->dir == NULL) { - op_ret = -1; - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "OPENDIR %"PRId64" (%s): %s", - loc->ino, loc->path, strerror (op_errno)); - goto err; - } - - /* NOTE: bctx_lookup() return bctx with ref */ - bfd->ctx = bctx; - - bfd->path = gf_strdup (real_path); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "OPENDIR %"PRId64" (%s): ENOMEM" - "(failed to allocate memory for internal fd->path)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto err; - } - - BDB_FCTX_SET (fd, this, bfd); - op_ret = 0; -out: - STACK_UNWIND (frame, op_ret, op_errno, fd); - return 0; -err: - if (bctx) - bctx_unref (bctx); - if (bfd) { - if (bfd->dir) - closedir (bfd->dir); - - GF_FREE (bfd); - } - - return 0; -}/* bdb_opendir */ - -int32_t -bdb_getdents (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - size_t size, - off_t off, - int32_t flag) -{ - struct bdb_dir *bfd = NULL; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - size_t filled = 0; - dir_entry_t entries = {0, }; - dir_entry_t *this_entry = NULL; - char *entry_path = NULL; - struct dirent *dirent = NULL; - off_t in_case = 0; - int32_t this_size = 0; - DBC *cursorp = NULL; - int32_t ret = -1; - int32_t real_path_len = 0; - int32_t entry_path_len = 0; - int32_t count = 0; - off_t offset = 0; - size_t tmp_name_len = 0; - struct stat db_stbuf = {0,}; - struct stat buf = {0,}; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET",%"PRId64 - " %o: EBADFD " - "(failed to find internal context in fd)", - fd->inode->ino, size, off, flag); - op_errno = EBADFD; - op_ret = -1; - goto out; - } - - op_ret = bdb_cursor_open (bfd->ctx, &cursorp); - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET",%"PRId64 - ": EBADFD " - "(failed to open cursor to database handle)", - fd->inode->ino, size, off); - op_errno = EBADFD; - goto out; - } - - if (off) { - DBT sec = {0,}, pri = {0,}, val = {0,}; - sec.data = &(off); - sec.size = sizeof (off); - sec.flags = DB_DBT_USERMEM; - val.dlen = 0; - val.doff = 0; - val.flags = DB_DBT_PARTIAL; - - op_ret = bdb_cursor_get (cursorp, &sec, &pri, &val, DB_SET); - if (op_ret == DB_NOTFOUND) { - offset = off; - goto dir_read; - } - } - - while (filled <= size) { - DBT sec = {0,}, pri = {0,}, val = {0,}; - - this_entry = NULL; - - sec.flags = DB_DBT_MALLOC; - pri.flags = DB_DBT_MALLOC; - val.dlen = 0; - val.doff = 0; - val.flags = DB_DBT_PARTIAL; - op_ret = bdb_cursor_get (cursorp, &sec, &pri, &val, DB_NEXT); - - if (op_ret == DB_NOTFOUND) { - /* we reached end of the directory */ - op_ret = 0; - op_errno = 0; - break; - } else if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET - ",%"PRId64":" - "(failed to read the next entry from database)", - fd->inode->ino, size, off); - op_errno = ENOENT; - break; - } /* if (op_ret == DB_NOTFOUND)...else if...else */ - - if (pri.data == NULL) { - /* NOTE: currently ignore when we get key.data == NULL. - * FIXME: we should not get key.data = NULL */ - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET - ",%"PRId64":" - "(null key read for entry from database)", - fd->inode->ino, size, off); - continue; - }/* if(key.data)...else */ - - this_entry = GF_CALLOC (1, sizeof (*this_entry), - gf_bdb_mt_dir_entry_t); - if (this_entry == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET",%"PRId64 - " - %s:" - "(failed to allocate memory for an entry)", - fd->inode->ino, size, off, strerror (errno)); - op_errno = ENOMEM; - op_ret = -1; - goto out; - } - - this_entry->name = GF_CALLOC (pri.size + 1, sizeof (char), - gf_bdb_mt_char); - if (this_entry->name == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET",%"PRId64 - " - %s:" - "(failed to allocate memory for an " - "entry->name)", - fd->inode->ino, size, off, strerror (errno)); - op_errno = ENOMEM; - op_ret = -1; - goto out; - } - - memcpy (this_entry->name, pri.data, pri.size); - this_entry->buf = db_stbuf; - this_entry->buf.st_size = bdb_db_iread (bfd->ctx, - this_entry->name, NULL); - this_entry->buf.st_blocks = BDB_COUNT_BLOCKS ( - this_entry->buf.st_size, - this_entry->buf.st_blksize); - - this_entry->buf.st_ino = bdb_inode_transform (fd->inode->ino, - pri.data, - pri.size); - count++; - - this_entry->next = entries.next; - this_entry->link = ""; - entries.next = this_entry; - /* if size is 0, count can never be = size, - * so entire dir is read */ - if (sec.data) - GF_FREE (sec.data); - - if (pri.data) - GF_FREE (pri.data); - - if (count == size) - break; - }/* while */ - bdb_cursor_close (bfd->ctx, cursorp); - op_ret = count; - op_errno = 0; - if (count >= size) - goto out; -dir_read: - /* hungry kyaa? */ - if (!offset) { - rewinddir (bfd->dir); - } else { - seekdir (bfd->dir, offset); - } - - while (filled <= size) { - this_entry = NULL; - this_size = 0; - - in_case = telldir (bfd->dir); - dirent = readdir (bfd->dir); - if (!dirent) - break; - - if (IS_BDB_PRIVATE_FILE(dirent->d_name)) - continue; - - tmp_name_len = strlen (dirent->d_name); - if (entry_path_len < (real_path_len + 1 + (tmp_name_len) + 1)) { - entry_path_len = real_path_len + tmp_name_len + 1024; - entry_path = realloc (entry_path, entry_path_len); - if (entry_path == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET"," - "%"PRId64" - %s: (failed to allocate " - "memory for an entry_path)", - fd->inode->ino, size, off, - strerror (errno)); - op_errno = ENOMEM; - op_ret = -1; - goto out; - } - } - - memcpy (&entry_path[real_path_len+1], dirent->d_name, - tmp_name_len + 1); - op_ret = stat (entry_path, &buf); - if (op_ret < 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET",%"PRId64 - " - %s:" - " (failed to stat on an entry '%s')", - fd->inode->ino, size, off, - strerror (errno), entry_path); - goto out; /* FIXME: shouldn't we continue here */ - } - - if ((flag == GF_GET_DIR_ONLY) && - ((ret != -1) && (!S_ISDIR(buf.st_mode)))) { - continue; - } - - this_entry = GF_CALLOC (1, sizeof (*this_entry), - gf_bdb_mt_dir_entry_t); - if (this_entry == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET",%"PRId64 - " - %s:" - "(failed to allocate memory for an entry)", - fd->inode->ino, size, off, strerror (errno)); - op_errno = ENOMEM; - op_ret = -1; - goto out; - } - - this_entry->name = gf_strdup (dirent->d_name); - if (this_entry->name == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET",%"PRId64 - " - %s:" - "(failed to allocate memory for an " - "entry->name)", - fd->inode->ino, size, off, strerror (errno)); - op_errno = ENOMEM; - op_ret = -1; - goto out; - } - - this_entry->buf = buf; - - this_entry->buf.st_ino = -1; - if (S_ISLNK(this_entry->buf.st_mode)) { - char linkpath[PATH_MAX] = {0,}; - ret = readlink (entry_path, linkpath, PATH_MAX); - if (ret != -1) { - linkpath[ret] = '\0'; - this_entry->link = gf_strdup (linkpath); - } - } else { - this_entry->link = ""; - } - - count++; - - this_entry->next = entries.next; - entries.next = this_entry; - - /* if size is 0, count can never be = size, - * so entire dir is read */ - if (count == size) - break; - } - op_ret = filled; - op_errno = 0; - -out: - gf_log (this->name, GF_LOG_DEBUG, - "GETDENTS %"PRId64" - %"GF_PRI_SIZET" (%"PRId32")" - "/%"GF_PRI_SIZET",%"PRId64":" - "(failed to read the next entry from database)", - fd->inode->ino, filled, count, size, off); - - STACK_UNWIND (frame, count, op_errno, &entries); - - while (entries.next) { - this_entry = entries.next; - entries.next = entries.next->next; - GF_FREE (this_entry->name); - GF_FREE (this_entry); - } - - return 0; -}/* bdb_getdents */ - - -int32_t -bdb_releasedir (xlator_t *this, - fd_t *fd) -{ - int32_t op_ret = 0; - int32_t op_errno = 0; - struct bdb_dir *bfd = NULL; - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "RELEASEDIR %"PRId64": EBADFD", - fd->inode->ino); - op_errno = EBADFD; - op_ret = -1; - goto out; - } - - if (bfd->path) { - GF_FREE (bfd->path); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "RELEASEDIR %"PRId64": (bfd->path is NULL)", - fd->inode->ino); - } - - if (bfd->dir) { - closedir (bfd->dir); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "RELEASEDIR %"PRId64": (bfd->dir is NULL)", - fd->inode->ino); - } - - if (bfd->ctx) { - bctx_unref (bfd->ctx); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "RELEASEDIR %"PRId64": (bfd->ctx is NULL)", - fd->inode->ino); - } - - GF_FREE (bfd); - -out: - return 0; -}/* bdb_releasedir */ - - -int32_t -bdb_readlink (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - size_t size) -{ - char *dest = NULL; - int32_t op_ret = -1; - int32_t op_errno = EPERM; - char *real_path = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - dest = alloca (size + 1); - GF_VALIDATE_OR_GOTO (this->name, dest, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - - op_ret = readlink (real_path, dest, size); - - if (op_ret > 0) - dest[op_ret] = 0; - - if (op_ret == -1) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "READLINK %"PRId64" (%s): %s", - loc->ino, loc->path, strerror (op_errno)); - } -out: - STACK_UNWIND (frame, op_ret, op_errno, dest); - - return 0; -}/* bdb_readlink */ - - -int32_t -bdb_mkdir (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode) -{ - int32_t op_ret = -1; - int32_t ret = -1; - int32_t op_errno = EINVAL; - char *real_path = NULL; - struct stat stbuf = {0, }; - bctx_t *bctx = NULL; - char *key_string = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - MAKE_KEY_FROM_PATH (key_string, loc->path); - MAKE_REAL_PATH (real_path, this, loc->path); - - op_ret = mkdir (real_path, mode); - if (op_ret < 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "MKDIR %"PRId64" (%s): %s", - loc->ino, loc->path, strerror (op_errno)); - goto out; - } - - op_ret = chown (real_path, frame->root->uid, frame->root->gid); - if (op_ret < 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "MKDIR %"PRId64" (%s): %s " - "(failed to do chmod)", - loc->ino, loc->path, strerror (op_errno)); - goto err; - } - - op_ret = lstat (real_path, &stbuf); - if (op_ret < 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "MKDIR %"PRId64" (%s): %s " - "(failed to do lstat)", - loc->ino, loc->path, strerror (op_errno)); - goto err; - } - - bctx = bctx_lookup (B_TABLE(this), (char *)loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "MKDIR %"PRId64" (%s): ENOMEM" - "(no database handle for parent)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto err; - } - - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, key_string, - strlen (key_string)); - - goto out; - -err: - ret = rmdir (real_path); - if (ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "MKDIR %"PRId64" (%s): %s" - "(failed to do rmdir)", - loc->ino, loc->path, strerror (errno)); - } - -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno, loc->inode, &stbuf); - - return 0; -}/* bdb_mkdir */ - - -int32_t -bdb_unlink (call_frame_t *frame, - xlator_t *this, - loc_t *loc) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - bctx_t *bctx = NULL; - char *real_path = NULL; - char *key_string = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "UNLINK %"PRId64" (%s): ENOMEM" - "(no database handle for parent)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - MAKE_KEY_FROM_PATH (key_string, loc->path); - op_ret = bdb_db_iremove (bctx, key_string); - if (op_ret == DB_NOTFOUND) { - MAKE_REAL_PATH (real_path, this, loc->path); - op_ret = unlink (real_path); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "UNLINK %"PRId64" (%s): %s" - "(symlink unlink failed)", - loc->ino, loc->path, strerror (op_errno)); - goto out; - } - } else if (op_ret == 0) { - op_errno = 0; - } -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -}/* bdb_unlink */ - - - -static int32_t -bdb_do_rmdir (xlator_t *this, - loc_t *loc) -{ - char *real_path = NULL; - int32_t ret = -1; - bctx_t *bctx = NULL; - DB_ENV *dbenv = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - dbenv = BDB_ENV(this); - GF_VALIDATE_OR_GOTO (this->name, dbenv, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - - bctx = bctx_lookup (B_TABLE(this), loc->path); - if (bctx == NULL) { - ret = -ENOMEM; - goto out; - } - - LOCK(&bctx->lock); - { - if ((bctx->primary == NULL) - || (bctx->secondary == NULL)) { - goto unlock; - } - - ret = bctx->primary->close (bctx->primary, 0); - if (ret < 0) { - ret = -EINVAL; - } - - ret = bctx->secondary->close (bctx->secondary, 0); - if (ret < 0) { - ret = -EINVAL; - } - - ret = dbenv->dbremove (dbenv, NULL, bctx->db_path, - "primary", 0); - if (ret < 0) { - ret = -EBUSY; - } - - ret = dbenv->dbremove (dbenv, NULL, bctx->db_path, - "secondary", 0); - if (ret != 0) { - ret = -EBUSY; - } - } -unlock: - UNLOCK(&bctx->lock); - - if (ret) { - goto out; - } - ret = rmdir (real_path); - -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - return ret; -} - -int32_t -bdb_rmdir (call_frame_t *frame, - xlator_t *this, - loc_t *loc) -{ - int32_t op_ret = -1; - int32_t op_errno = 0; - - op_ret = is_dir_empty (this, loc); - if (op_ret < 0) { - op_errno = -op_ret; - gf_log (this->name, GF_LOG_DEBUG, - "RMDIR %"PRId64" (%s): %s" - "(internal rmdir routine returned error)", - loc->ino, loc->path, strerror (op_errno)); - } else if (op_ret == 0) { - op_ret = -1; - op_errno = ENOTEMPTY; - gf_log (this->name, GF_LOG_DEBUG, - "RMDIR %"PRId64" (%s): ENOTEMPTY", - loc->ino, loc->path); - goto out; - } - - op_ret = bdb_do_rmdir (this, loc); - if (op_ret < 0) { - op_errno = -op_ret; - gf_log (this->name, GF_LOG_DEBUG, - "RMDIR %"PRId64" (%s): %s" - "(internal rmdir routine returned error)", - loc->ino, loc->path, strerror (op_errno)); - goto out; - } - -out: - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -} /* bdb_rmdir */ - -int32_t -bdb_symlink (call_frame_t *frame, - xlator_t *this, - const char *linkname, - loc_t *loc) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - char *real_path = NULL; - struct stat stbuf = {0,}; - struct bdb_private *private = NULL; - bctx_t *bctx = NULL; - char *key_string = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - GF_VALIDATE_OR_GOTO (this->name, linkname, out); - - private = this->private; - GF_VALIDATE_OR_GOTO (this->name, private, out); - - MAKE_KEY_FROM_PATH (key_string, loc->path); - - MAKE_REAL_PATH (real_path, this, loc->path); - op_ret = symlink (linkname, real_path); - op_errno = errno; - if (op_ret == 0) { - op_ret = lstat (real_path, &stbuf); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "SYMLINK %"PRId64" (%s): %s", - loc->ino, loc->path, strerror (op_errno)); - goto err; - } - - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "SYMLINK %"PRId64" (%s): ENOMEM" - "(no database handle for parent)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto err; - } - - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, - key_string, - strlen (key_string)); - stbuf.st_mode = private->symlink_mode; - - goto out; - } -err: - op_ret = unlink (real_path); - op_errno = errno; - if (op_ret != 0) { - gf_log (this->name, GF_LOG_DEBUG, - "SYMLINK %"PRId64" (%s): %s" - "(failed to unlink the created symlink)", - loc->ino, loc->path, strerror (op_errno)); - } - op_ret = -1; - op_errno = ENOENT; -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno, loc->inode, &stbuf); - - return 0; -} /* bdb_symlink */ - -static int -bdb_do_chmod (xlator_t *this, - const char *path, - struct stat *stbuf) -{ - int32_t ret = -1; - - ret = lchmod (path, stbuf->st_mode); - if ((ret == -1) && (errno == ENOSYS)) { - ret = chmod (path, stbuf->st_mode); - } - - return ret; -} - -static int -bdb_do_chown (xlator_t *this, - const char *path, - struct stat *stbuf, - int32_t valid) -{ - int32_t ret = -1; - uid_t uid = -1; - gid_t gid = -1; - - if (valid & GF_SET_ATTR_UID) - uid = stbuf->st_uid; - - if (valid & GF_SET_ATTR_GID) - gid = stbuf->st_gid; - - ret = lchown (path, uid, gid); - - return ret; -} - -static int -bdb_do_utimes (xlator_t *this, - const char *path, - struct stat *stbuf) -{ - int32_t ret = -1; - struct timeval tv[2] = {{0,},{0,}}; - - tv[0].tv_sec = stbuf->st_atime; - tv[0].tv_usec = ST_ATIM_NSEC (stbuf) / 1000; - tv[1].tv_sec = stbuf->st_mtime; - tv[1].tv_usec = ST_ATIM_NSEC (stbuf) / 1000; - - ret = lutimes (path, tv); - - return ret; -} - -int32_t -bdb_setattr (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - struct stat *stbuf, - int32_t valid) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - char *real_path = NULL; - struct stat preop = {0,}; - struct stat postop = {0,}; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - op_ret = lstat (real_path, &preop); - op_errno = errno; - if (op_ret != 0) { - if (op_errno == ENOENT) { - op_errno = EPERM; - } else { - gf_log (this->name, GF_LOG_DEBUG, - "CHMOD %"PRId64" (%s): %s" - "(pre-op lstat failed)", - loc->ino, loc->path, strerror (op_errno)); - } - goto out; - } - - /* directory or symlink */ - if (valid & GF_SET_ATTR_MODE) { - op_ret = bdb_do_chmod (this, real_path, stbuf); - if (op_ret == -1) { - op_errno = errno; - gf_log (this->name, GF_LOG_ERROR, - "setattr (chmod) on %s failed: %s", loc->path, - strerror (op_errno)); - goto out; - } - } - - if (valid & (GF_SET_ATTR_UID | GF_SET_ATTR_GID)){ - op_ret = bdb_do_chown (this, real_path, stbuf, valid); - if (op_ret == -1) { - op_errno = errno; - gf_log (this->name, GF_LOG_ERROR, - "setattr (chown) on %s failed: %s", loc->path, - strerror (op_errno)); - goto out; - } - } - - if (valid & (GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME)) { - op_ret = bdb_do_utimes (this, real_path, stbuf); - if (op_ret == -1) { - op_errno = errno; - gf_log (this->name, GF_LOG_ERROR, - "setattr (utimes) on %s failed: %s", loc->path, - strerror (op_errno)); - goto out; - } - } - - op_ret = lstat (real_path, &postop); - op_errno = errno; - if (op_ret != 0) { - gf_log (this->name, GF_LOG_DEBUG, - "CHMOD %"PRId64" (%s): %s" - "(post-op lstat failed)", - loc->ino, loc->path, strerror (op_errno)); - } - -out: - STACK_UNWIND (frame, op_ret, op_errno, &preop, &postop); - - return 0; -}/* bdb_setattr */ - -int32_t -bdb_fsetattr (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - struct stat *stbuf, - int32_t valid) -{ - int32_t op_ret = -1; - int32_t op_errno = EPERM; - struct stat preop = {0,}; - struct stat postop = {0,}; - - STACK_UNWIND (frame, op_ret, op_errno, &preop, &postop); - - return 0; -}/* bdb_fsetattr */ - - -int32_t -bdb_truncate (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - off_t offset) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - char *real_path = NULL; - struct stat stbuf = {0,}; - char *db_path = NULL; - bctx_t *bctx = NULL; - char *key_string = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - bctx = bctx_parent (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "TRUNCATE %"PRId64" (%s): ENOMEM" - "(no database handle for parent)", - loc->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - MAKE_REAL_PATH (real_path, this, loc->path); - MAKE_KEY_FROM_PATH (key_string, loc->path); - - /* now truncate */ - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bctx->directory); - op_ret = lstat (db_path, &stbuf); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "TRUNCATE %"PRId64" (%s): %s" - "(lstat on database file failed)", - loc->ino, loc->path, strerror (op_errno)); - goto out; - } - - if (loc->inode->ino) { - stbuf.st_ino = loc->inode->ino; - }else { - stbuf.st_ino = bdb_inode_transform (loc->parent->ino, - key_string, - strlen (key_string)); - } - - op_ret = bdb_db_itruncate (bctx, key_string); - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "TRUNCATE %"PRId64" (%s): EINVAL" - "(truncating entry in database failed - %s)", - loc->ino, loc->path, db_strerror (op_ret)); - op_errno = EINVAL; /* TODO: better errno */ - } - -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -}/* bdb_truncate */ - - -int32_t -bdb_statfs (call_frame_t *frame, - xlator_t *this, - loc_t *loc) - -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - char *real_path = NULL; - struct statvfs buf = {0, }; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - - op_ret = statvfs (real_path, &buf); - op_errno = errno; -out: - STACK_UNWIND (frame, op_ret, op_errno, &buf); - return 0; -}/* bdb_statfs */ - -static int gf_bdb_xattr_log; - -/* bdb_setxattr - set extended attributes. - * - * bdb allows setxattr operation only on directories. - * bdb reservers 'glusterfs.file.<attribute-name>' to operate on the content - * of the files under the specified directory. - * 'glusterfs.file.<attribute-name>' transforms to contents of file of name - * '<attribute-name>' under specified directory. - * - * @frame: call frame. - * @this: xlator_t of this instance of bdb xlator. - * @loc: loc_t specifying the file to operate upon. - * @dict: list of extended attributes to set on @loc. - * @flags: can be XATTR_REPLACE (replace an existing extended attribute only if - * it exists) or XATTR_CREATE (create an extended attribute only if it - * doesn't already exist). - * - * - */ -int32_t -bdb_setxattr (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - dict_t *dict, - int flags) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - data_pair_t *trav = dict->members_list; - bctx_t *bctx = NULL; - char *real_path = NULL; - char *key = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - GF_VALIDATE_OR_GOTO (this->name, dict, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - if (!S_ISDIR (loc->inode->st_mode)) { - op_ret = -1; - op_errno = ENOATTR; - goto out; - } - - while (trav) { - if (GF_FILE_CONTENT_REQUEST(trav->key) ) { - key = BDB_KEY_FROM_FREQUEST_KEY(trav->key); - - bctx = bctx_lookup (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "SETXATTR %"PRId64" (%s) - %s: ENOMEM" - "(no database handle for directory)", - loc->ino, loc->path, key); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - if (flags & XATTR_REPLACE) { - op_ret = bdb_db_itruncate (bctx, key); - if (op_ret == -1) { - /* key doesn't exist in database */ - gf_log (this->name, GF_LOG_DEBUG, - "SETXATTR %"PRId64" (%s) - %s:" - " (entry not present in " - "database)", - loc->ino, loc->path, key); - op_ret = -1; - op_errno = ENOATTR; - break; - } - op_ret = bdb_db_iwrite (bctx, key, - trav->value->data, - trav->value->len); - if (op_ret != 0) { - op_ret = -1; - op_errno = ENOATTR; - break; - } - } else { - /* fresh create */ - op_ret = bdb_db_iwrite (bctx, key, - trav->value->data, - trav->value->len); - if (op_ret != 0) { - op_ret = -1; - op_errno = EEXIST; - break; - } else { - op_ret = 0; - op_errno = 0; - } /* if(op_ret!=0)...else */ - } /* if(flags&XATTR_REPLACE)...else */ - if (bctx) { - /* NOTE: bctx_unref always returns success, see - * description of bctx_unref for more details */ - bctx_unref (bctx); - } - } else { - /* do plain setxattr */ - op_ret = lsetxattr (real_path, - trav->key, trav->value->data, - trav->value->len, - flags); - op_errno = errno; - - if ((op_errno == ENOATTR) || (op_errno == EEXIST)) { - /* don't log, normal behaviour */ - ; - } else if (BDB_TIMED_LOG (op_errno, gf_bdb_xattr_log)) { - gf_log (this->name, GF_LOG_DEBUG, - "SETXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, trav->key, - strerror (op_errno)); - /* do not continue, break out */ - break; - } else { - gf_log (this->name, GF_LOG_DEBUG, - "SETXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, trav->key, - strerror (op_errno)); - } - } /* if(ZR_FILE_CONTENT_REQUEST())...else */ - trav = trav->next; - }/* while(trav) */ -out: - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -}/* bdb_setxattr */ - - -/* bdb_gettxattr - get extended attributes. - * - * bdb allows getxattr operation only on directories. - * bdb_getxattr retrieves the whole content of the file, when - * glusterfs.file.<attribute-name> is specified. - * - * @frame: call frame. - * @this: xlator_t of this instance of bdb xlator. - * @loc: loc_t specifying the file to operate upon. - * @name: name of extended attributes to get for @loc. - * - * NOTE: see description of bdb_setxattr for details on how - * 'glusterfs.file.<attribute-name>' is handles by bdb. - */ -int32_t -bdb_getxattr (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - const char *name) -{ - int32_t op_ret = 0; - int32_t op_errno = 0; - dict_t *dict = NULL; - bctx_t *bctx = NULL; - char *buf = NULL; - char *key_string = NULL; - int32_t list_offset = 0; - size_t size = 0; - size_t remaining_size = 0; - char *real_path = NULL; - char key[1024] = {0,}; - char *value = NULL; - char *list = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - GF_VALIDATE_OR_GOTO (this->name, name, out); - - dict = dict_new (); - GF_VALIDATE_OR_GOTO (this->name, dict, out); - - if (!S_ISDIR (loc->inode->st_mode)) { - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: ENOATTR " - "(not a directory)", - loc->ino, loc->path, name); - op_ret = -1; - op_errno = ENOATTR; - goto out; - } - - if (name && GF_FILE_CONTENT_REQUEST(name)) { - bctx = bctx_lookup (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: ENOMEM" - "(no database handle for directory)", - loc->ino, loc->path, name); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - key_string = BDB_KEY_FROM_FREQUEST_KEY(name); - - op_ret = bdb_db_iread (bctx, key_string, &buf); - if (op_ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: ENOATTR" - "(attribute not present in database)", - loc->ino, loc->path, name); - op_errno = ENOATTR; - goto out; - } - - op_ret = dict_set_dynptr (dict, (char *)name, buf, op_ret); - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: ENOATTR" - "(attribute present in database, " - "dict set failed)", - loc->ino, loc->path, name); - op_errno = ENODATA; - } - - goto out; - } - - MAKE_REAL_PATH (real_path, this, loc->path); - size = sys_llistxattr (real_path, NULL, 0); - op_errno = errno; - if (size < 0) { - if (BDB_TIMED_LOG (op_errno, gf_bdb_xattr_log)) { - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, name, strerror (op_errno)); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, name, strerror (op_errno)); - } - op_ret = -1; - op_errno = ENOATTR; - - goto out; - } - - if (size == 0) - goto done; - - list = alloca (size + 1); - if (list == NULL) { - op_ret = -1; - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, name, strerror (op_errno)); - } - - size = sys_llistxattr (real_path, list, size); - op_ret = size; - if (op_ret == -1) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, name, strerror (op_errno)); - goto out; - } - - remaining_size = size; - list_offset = 0; - while (remaining_size > 0) { - if(*(list+list_offset) == '\0') - break; - - strcpy (key, list + list_offset); - - op_ret = sys_lgetxattr (real_path, key, NULL, 0); - if (op_ret == -1) - break; - - value = GF_CALLOC (op_ret + 1, sizeof(char), gf_bdb_mt_char); - GF_VALIDATE_OR_GOTO (this->name, value, out); - - op_ret = sys_lgetxattr (real_path, key, value, - op_ret); - if (op_ret == -1) - break; - value [op_ret] = '\0'; - op_ret = dict_set_dynptr (dict, key, - value, op_ret); - if (op_ret < 0) { - GF_FREE (value); - gf_log (this->name, GF_LOG_DEBUG, - "GETXATTR %"PRId64" (%s) - %s: " - "(skipping key %s)", - loc->ino, loc->path, name, key); - continue; - } - remaining_size -= strlen (key) + 1; - list_offset += strlen (key) + 1; - } /* while(remaining_size>0) */ -done: -out: - if(bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno, dict); - - if (dict) - dict_unref (dict); - - return 0; -}/* bdb_getxattr */ - - -int32_t -bdb_removexattr (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - const char *name) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - bctx_t *bctx = NULL; - char *real_path = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - GF_VALIDATE_OR_GOTO (this->name, name, out); - - if (!S_ISDIR(loc->inode->st_mode)) { - gf_log (this->name, GF_LOG_DEBUG, - "REMOVEXATTR %"PRId64" (%s) - %s: ENOATTR " - "(not a directory)", - loc->ino, loc->path, name); - op_ret = -1; - op_errno = ENOATTR; - goto out; - } - - if (GF_FILE_CONTENT_REQUEST(name)) { - bctx = bctx_lookup (B_TABLE(this), loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "REMOVEXATTR %"PRId64" (%s) - %s: ENOATTR" - "(no database handle for directory)", - loc->ino, loc->path, name); - op_ret = -1; - op_errno = ENOATTR; - goto out; - } - - op_ret = bdb_db_iremove (bctx, name); - if (op_ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "REMOVEXATTR %"PRId64" (%s) - %s: ENOATTR" - "(no such attribute in database)", - loc->ino, loc->path, name); - op_errno = ENOATTR; - } - goto out; - } - - MAKE_REAL_PATH(real_path, this, loc->path); - op_ret = lremovexattr (real_path, name); - op_errno = errno; - if (op_ret == -1) { - if (BDB_TIMED_LOG (op_errno, gf_bdb_xattr_log)) { - gf_log (this->name, GF_LOG_DEBUG, - "REMOVEXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, name, strerror (op_errno)); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "REMOVEXATTR %"PRId64" (%s) - %s: %s", - loc->ino, loc->path, name, strerror (op_errno)); - } - } /* if(op_ret == -1) */ -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -}/* bdb_removexattr */ - - -int32_t -bdb_fsyncdir (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int datasync) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - struct bdb_fd *bfd = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "FSYNCDIR %"PRId64": EBADFD" - "(failed to find internal context from fd)", - fd->inode->ino); - op_errno = EBADFD; - op_ret = -1; - } - -out: - STACK_UNWIND (frame, op_ret, op_errno); - - return 0; -}/* bdb_fsycndir */ - - -int32_t -bdb_access (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t mask) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - char *real_path = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - - op_ret = access (real_path, mask); - op_errno = errno; - /* TODO: implement for db entries */ -out: - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -}/* bdb_access */ - - -int32_t -bdb_ftruncate (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - off_t offset) -{ - int32_t op_ret = -1; - int32_t op_errno = EPERM; - struct stat buf = {0,}; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - /* TODO: impelement */ -out: - STACK_UNWIND (frame, op_ret, op_errno, &buf); - - return 0; -} - - - -int32_t -bdb_setdents (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t flags, - dir_entry_t *entries, - int32_t count) -{ - int32_t op_ret = -1, op_errno = EINVAL; - char *entry_path = NULL; - int32_t real_path_len = 0; - int32_t entry_path_len = 0; - int32_t ret = 0; - struct bdb_dir *bfd = NULL; - dir_entry_t *trav = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - GF_VALIDATE_OR_GOTO (this->name, entries, out); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "SETDENTS %"PRId64": EBADFD", - fd->inode->ino); - op_errno = EBADFD; - op_ret = -1; - goto out; - } - - real_path_len = strlen (bfd->path); - entry_path_len = real_path_len + 256; - entry_path = GF_CALLOC (1, entry_path_len, gf_bdb_mt_char); - GF_VALIDATE_OR_GOTO (this->name, entry_path, out); - - strcpy (entry_path, bfd->path); - entry_path[real_path_len] = '/'; - - trav = entries->next; - while (trav) { - char pathname[PATH_MAX] = {0,}; - strcpy (pathname, entry_path); - strcat (pathname, trav->name); - - if (S_ISDIR(trav->buf.st_mode)) { - /* If the entry is directory, create it by calling - * 'mkdir'. If directory is not present, it will be - * created, if its present, no worries even if it fails. - */ - ret = mkdir (pathname, trav->buf.st_mode); - if ((ret == -1) && (errno != EEXIST)) { - op_errno = errno; - op_ret = ret; - gf_log (this->name, GF_LOG_DEBUG, - "SETDENTS %"PRId64" - %s: %s " - "(mkdir failed)", - fd->inode->ino, pathname, - strerror (op_errno)); - goto loop; - } - - /* Change the mode - * NOTE: setdents tries its best to restore the state - * of storage. if chmod and chown fail, they can - * be ignored now */ - ret = chmod (pathname, trav->buf.st_mode); - if (ret < 0) { - op_ret = -1; - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "SETDENTS %"PRId64" - %s: %s " - "(chmod failed)", - fd->inode->ino, pathname, - strerror (op_errno)); - goto loop; - } - /* change the ownership */ - ret = chown (pathname, trav->buf.st_uid, - trav->buf.st_gid); - if (ret != 0) { - op_ret = -1; - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "SETDENTS %"PRId64" - %s: %s " - "(chown failed)", - fd->inode->ino, pathname, - strerror (op_errno)); - goto loop; - } - } else if ((flags == GF_SET_IF_NOT_PRESENT) || - (flags != GF_SET_DIR_ONLY)) { - /* Create a 0 byte file here */ - if (S_ISREG (trav->buf.st_mode)) { - op_ret = bdb_db_icreate (bfd->ctx, - trav->name); - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "SETDENTS %"PRId64" (%s) - %s: " - "%s (database entry creation" - " failed)", - fd->inode->ino, - bfd->ctx->directory, trav->name, - strerror (op_errno)); - } - } else if (S_ISLNK (trav->buf.st_mode)) { - /* TODO: impelement */; - } else { - gf_log (this->name, GF_LOG_DEBUG, - "SETDENTS %"PRId64" (%s) - %s mode=%o: " - "(unsupported file type)", - fd->inode->ino, - bfd->ctx->directory, trav->name, - trav->buf.st_mode); - } /* if(S_ISREG())...else */ - } /* if(S_ISDIR())...else if */ - loop: - /* consider the next entry */ - trav = trav->next; - } /* while(trav) */ - -out: - STACK_UNWIND (frame, op_ret, op_errno); - - GF_FREE (entry_path); - return 0; -} - -int32_t -bdb_fstat (call_frame_t *frame, - xlator_t *this, - fd_t *fd) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - struct stat stbuf = {0,}; - struct bdb_fd *bfd = NULL; - bctx_t *bctx = NULL; - char *db_path = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "FSTAT %"PRId64": EBADFD " - "(failed to find internal context in fd)", - fd->inode->ino); - op_errno = EBADFD; - op_ret = -1; - goto out; - } - - bctx = bfd->ctx; - - MAKE_REAL_PATH_TO_STORAGE_DB (db_path, this, bctx->directory); - op_ret = lstat (db_path, &stbuf); - op_errno = errno; - if (op_ret != 0) { - gf_log (this->name, GF_LOG_DEBUG, - "FSTAT %"PRId64": %s" - "(failed to stat database file %s)", - fd->inode->ino, strerror (op_errno), db_path); - goto out; - } - - stbuf.st_ino = fd->inode->ino; - stbuf.st_size = bdb_db_fread (bfd, NULL, 0, 0); - stbuf.st_blocks = BDB_COUNT_BLOCKS (stbuf.st_size, stbuf.st_blksize); - -out: - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - return 0; -} - -gf_dirent_t * -gf_dirent_for_namen (const char *name, - size_t len) -{ - char *tmp_name = NULL; - - tmp_name = alloca (len + 1); - - memcpy (tmp_name, name, len); - - tmp_name[len] = 0; - - return gf_dirent_for_name (tmp_name); -} - -int32_t -bdb_readdir (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - size_t size, - off_t off) -{ - struct bdb_dir *bfd = NULL; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - size_t filled = 0; - gf_dirent_t *this_entry = NULL; - gf_dirent_t entries; - struct dirent *entry = NULL; - off_t in_case = 0; - int32_t this_size = 0; - DBC *cursorp = NULL; - int32_t count = 0; - off_t offset = 0; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - INIT_LIST_HEAD (&entries.list); - - BDB_FCTX_GET (fd, this, &bfd); - if (bfd == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "READDIR %"PRId64" - %"GF_PRI_SIZET",%"PRId64": EBADFD " - "(failed to find internal context in fd)", - fd->inode->ino, size, off); - op_errno = EBADFD; - op_ret = -1; - goto out; - } - - op_ret = bdb_cursor_open (bfd->ctx, &cursorp); - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "READDIR %"PRId64" - %"GF_PRI_SIZET",%"PRId64": EBADFD " - "(failed to open cursor to database handle)", - fd->inode->ino, size, off); - op_errno = EBADFD; - goto out; - } - - if (off) { - DBT sec = {0,}, pri = {0,}, val = {0,}; - sec.data = &(off); - sec.size = sizeof (off); - sec.flags = DB_DBT_USERMEM; - val.dlen = 0; - val.doff = 0; - val.flags = DB_DBT_PARTIAL; - - op_ret = bdb_cursor_get (cursorp, &sec, &pri, &val, DB_SET); - if (op_ret == DB_NOTFOUND) { - offset = off; - goto dir_read; - } - } - - while (filled <= size) { - DBT sec = {0,}, pri = {0,}, val = {0,}; - - this_entry = NULL; - - sec.flags = DB_DBT_MALLOC; - pri.flags = DB_DBT_MALLOC; - val.dlen = 0; - val.doff = 0; - val.flags = DB_DBT_PARTIAL; - op_ret = bdb_cursor_get (cursorp, &sec, &pri, &val, DB_NEXT); - - if (op_ret == DB_NOTFOUND) { - /* we reached end of the directory */ - op_ret = 0; - op_errno = 0; - break; - } else if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "READDIR %"PRId64" - %"GF_PRI_SIZET",%"PRId64":" - "(failed to read the next entry from database)", - fd->inode->ino, size, off); - op_errno = ENOENT; - break; - } /* if (op_ret == DB_NOTFOUND)...else if...else */ - - if (pri.data == NULL) { - /* NOTE: currently ignore when we get key.data == NULL. - * TODO: we should not get key.data = NULL */ - gf_log (this->name, GF_LOG_DEBUG, - "READDIR %"PRId64" - %"GF_PRI_SIZET",%"PRId64":" - "(null key read for entry from database)", - fd->inode->ino, size, off); - continue; - }/* if(key.data)...else */ - count++; - this_size = bdb_dirent_size (&pri); - if (this_size + filled > size) - break; - /* TODO - consider endianness here */ - this_entry = gf_dirent_for_namen ((const char *)pri.data, - pri.size); - - this_entry->d_ino = bdb_inode_transform (fd->inode->ino, - pri.data, - pri.size); - this_entry->d_off = *(uint32_t *)sec.data; - this_entry->d_type = 0; - this_entry->d_len = pri.size + 1; - - if (sec.data) { - GF_FREE (sec.data); - } - - if (pri.data) - GF_FREE (pri.data); - - list_add_tail (&this_entry->list, &entries.list); - - filled += this_size; - }/* while */ - bdb_cursor_close (bfd->ctx, cursorp); - op_ret = filled; - op_errno = 0; - if (filled >= size) { - goto out; - } -dir_read: - /* hungry kyaa? */ - if (!offset) { - rewinddir (bfd->dir); - } else { - seekdir (bfd->dir, offset); - } - - while (filled <= size) { - this_entry = NULL; - entry = NULL; - this_size = 0; - - in_case = telldir (bfd->dir); - entry = readdir (bfd->dir); - if (!entry) - break; - - if (IS_BDB_PRIVATE_FILE(entry->d_name)) - continue; - - this_size = dirent_size (entry); - - if (this_size + filled > size) { - seekdir (bfd->dir, in_case); - break; - } - - count++; - - this_entry = gf_dirent_for_name (entry->d_name); - this_entry->d_ino = entry->d_ino; - - this_entry->d_off = entry->d_off; - - this_entry->d_type = entry->d_type; - this_entry->d_len = entry->d_reclen; - - - list_add_tail (&this_entry->list, &entries.list); - - filled += this_size; - } - op_ret = filled; - op_errno = 0; - -out: - gf_log (this->name, GF_LOG_DEBUG, - "READDIR %"PRId64" - %"GF_PRI_SIZET" (%"PRId32")" - "/%"GF_PRI_SIZET",%"PRId64":" - "(failed to read the next entry from database)", - fd->inode->ino, filled, count, size, off); - - STACK_UNWIND (frame, count, op_errno, &entries); - - gf_dirent_free (&entries); - - return 0; -} - - -int32_t -bdb_stats (call_frame_t *frame, - xlator_t *this, - int32_t flags) - -{ - int32_t op_ret = 0; - int32_t op_errno = 0; - - struct xlator_stats xlstats = {0, }, *stats = NULL; - struct statvfs buf = {0,}; - struct timeval tv; - struct bdb_private *private = NULL; - int64_t avg_read = 0; - int64_t avg_write = 0; - int64_t _time_ms = 0; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - - private = (struct bdb_private *)(this->private); - stats = &xlstats; - - op_ret = statvfs (private->export_path, &buf); - if (op_ret != 0) { - op_errno = errno; - gf_log (this->name, GF_LOG_DEBUG, - "STATS %s: %s", - private->export_path, strerror (op_errno)); - goto out; - } - - stats->nr_files = private->stats.nr_files; - - /* client info is maintained at FSd */ - stats->nr_clients = private->stats.nr_clients; - - /* Number of Free block in the filesystem. */ - stats->free_disk = buf.f_bfree * buf.f_bsize; - stats->total_disk_size = buf.f_blocks * buf.f_bsize; /* */ - stats->disk_usage = (buf.f_blocks - buf.f_bavail) * buf.f_bsize; - - /* Calculate read and write usage */ - gettimeofday (&tv, NULL); - - /* Read */ - _time_ms = (tv.tv_sec - private->init_time.tv_sec) * 1000 + - ((tv.tv_usec - private->init_time.tv_usec) / 1000); - - avg_read = (_time_ms) ? (private->read_value / _time_ms) : 0;/* KBps */ - avg_write = (_time_ms) ? (private->write_value / _time_ms) : 0; - - _time_ms = (tv.tv_sec - private->prev_fetch_time.tv_sec) * 1000 + - ((tv.tv_usec - private->prev_fetch_time.tv_usec) / 1000); - if (_time_ms - && ((private->interval_read / _time_ms) > private->max_read)) { - private->max_read = (private->interval_read / _time_ms); - } - if (_time_ms - && ((private->interval_write / _time_ms) > private->max_write)) { - private->max_write = private->interval_write / _time_ms; - } - - stats->read_usage = avg_read / private->max_read; - stats->write_usage = avg_write / private->max_write; - - gettimeofday (&(private->prev_fetch_time), NULL); - private->interval_read = 0; - private->interval_write = 0; - -out: - STACK_UNWIND (frame, op_ret, op_errno, stats); - return 0; -} - - -int32_t -bdb_inodelk (call_frame_t *frame, xlator_t *this, - const char *volume, loc_t *loc, int32_t cmd, struct gf_flock *lock) -{ - gf_log (this->name, GF_LOG_ERROR, - "glusterfs internal locking request. please load " - "'features/locks' translator to enable glusterfs " - "support"); - - STACK_UNWIND (frame, -1, ENOSYS); - return 0; -} - - -int32_t -bdb_finodelk (call_frame_t *frame, xlator_t *this, - const char *volume, fd_t *fd, int32_t cmd, struct gf_flock *lock) -{ - gf_log (this->name, GF_LOG_ERROR, - "glusterfs internal locking request. please load " - "'features/locks' translator to enable glusterfs " - "support"); - - STACK_UNWIND (frame, -1, ENOSYS); - return 0; -} - - -int32_t -bdb_entrylk (call_frame_t *frame, xlator_t *this, - const char *volume, loc_t *loc, const char *basename, - entrylk_cmd cmd, entrylk_type type) -{ - gf_log (this->name, GF_LOG_ERROR, - "glusterfs internal locking request. please load " - "'features/locks' translator to enable glusterfs " - "support"); - - STACK_UNWIND (frame, -1, ENOSYS); - return 0; -} - - -int32_t -bdb_fentrylk (call_frame_t *frame, xlator_t *this, - const char *volume, fd_t *fd, const char *basename, - entrylk_cmd cmd, entrylk_type type) -{ - gf_log (this->name, GF_LOG_ERROR, - "glusterfs internal locking request. please load " - "'features/locks' translator to enable glusterfs " - "support"); - - STACK_UNWIND (frame, -1, ENOSYS); - return 0; -} - -int32_t -bdb_checksum (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t flag) -{ - char *real_path = NULL; - DIR *dir = NULL; - struct dirent *dirent = NULL; - uint8_t file_checksum[NAME_MAX] = {0,}; - uint8_t dir_checksum[NAME_MAX] = {0,}; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - int32_t idx = 0, length = 0; - bctx_t *bctx = NULL; - DBC *cursorp = NULL; - char *data = NULL; - uint8_t no_break = 1; - - GF_VALIDATE_OR_GOTO ("bdb", frame, out); - GF_VALIDATE_OR_GOTO ("bdb", this, out); - GF_VALIDATE_OR_GOTO (this->name, loc, out); - - MAKE_REAL_PATH (real_path, this, loc->path); - - { - dir = opendir (real_path); - op_errno = errno; - GF_VALIDATE_OR_GOTO (this->name, dir, out); - while ((dirent = readdir (dir))) { - if (!dirent) - break; - - if (IS_BDB_PRIVATE_FILE(dirent->d_name)) - continue; - - length = strlen (dirent->d_name); - for (idx = 0; idx < length; idx++) - dir_checksum[idx] ^= dirent->d_name[idx]; - } /* while((dirent...)) */ - closedir (dir); - } - - { - bctx = bctx_lookup (B_TABLE(this), (char *)loc->path); - if (bctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "CHECKSUM %"PRId64" (%s): ENOMEM" - "(failed to lookup database handle)", - loc->inode->ino, loc->path); - op_ret = -1; - op_errno = ENOMEM; - goto out; - } - - op_ret = bdb_cursor_open (bctx, &cursorp); - if (op_ret < 0) { - gf_log (this->name, GF_LOG_DEBUG, - "CHECKSUM %"PRId64" (%s): EBADFD" - "(failed to open cursor to database handle)", - loc->inode->ino, loc->path); - op_ret = -1; - op_errno = EBADFD; - goto out; - } - - - do { - DBT key = {0,}, value = {0,}, sec = {0,}; - - key.flags = DB_DBT_MALLOC; - value.doff = 0; - value.dlen = 0; - op_ret = bdb_cursor_get (cursorp, &sec, &key, - &value, DB_NEXT); - - if (op_ret == DB_NOTFOUND) { - op_ret = 0; - op_errno = 0; - no_break = 0; - } else if (op_ret == 0){ - /* successfully read */ - data = key.data; - length = key.size; - for (idx = 0; idx < length; idx++) - file_checksum[idx] ^= data[idx]; - - GF_FREE (key.data); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "CHECKSUM %"PRId64" (%s)", - loc->inode->ino, loc->path); - op_ret = -1; - op_errno = ENOENT; /* TODO: watch errno */ - no_break = 0; - }/* if(op_ret == DB_NOTFOUND)...else if...else */ - } while (no_break); - bdb_cursor_close (bctx, cursorp); - } -out: - if (bctx) { - /* NOTE: bctx_unref always returns success, - * see description of bctx_unref for more details */ - bctx_unref (bctx); - } - - STACK_UNWIND (frame, op_ret, op_errno, file_checksum, dir_checksum); - - return 0; -} - -/** - * notify - when parent sends PARENT_UP, send CHILD_UP event from here - */ -int32_t -notify (xlator_t *this, - int32_t event, - void *data, - ...) -{ - switch (event) - { - case GF_EVENT_PARENT_UP: - { - /* Tell the parent that bdb xlator is up */ - GF_ASSERT ((this->private != NULL) && - (BDB_ENV(this) != NULL)); - default_notify (this, GF_EVENT_CHILD_UP, data); - } - break; - default: - /* */ - break; - } - return 0; -} - - -int32_t -mem_acct_init (xlator_t *this) -{ - int ret = -1; - - if (!this) - return ret; - - ret = xlator_mem_acct_init (this, gf_bdb_mt_end + 1); - - if (ret != 0) { - gf_log(this->name, GF_LOG_ERROR, "Memory accounting init" - "failed"); - return ret; - } - - return ret; -} - -/** - * init - - */ -int32_t -init (xlator_t *this) -{ - int32_t ret = -1; - struct stat buf = {0,}; - struct bdb_private *_private = NULL; - char *directory = NULL; - bctx_t *bctx = NULL; - - GF_VALIDATE_OR_GOTO ("bdb", this, out); - - if (this->children) { - gf_log (this->name, GF_LOG_ERROR, - "'storage/bdb' translator should be used as leaf node " - "in translator tree. please remove the subvolumes" - " specified and retry."); - goto err; - } - - if (!this->parents) { - gf_log (this->name, GF_LOG_ERROR, - "'storage/bdb' translator needs at least one among " - "'protocol/server' or 'mount/fuse' translator as " - "parent. please add 'protocol/server' or 'mount/fuse' " - "as parent of 'storage/bdb' and retry. or you can also" - " try specifying mount-point on command-line."); - goto err; - } - - _private = GF_CALLOC (1, sizeof (*_private), gf_bdb_mt_bdb_private); - if (_private == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "could not allocate memory for 'storage/bdb' " - "configuration data-structure. cannot continue from " - "here"); - goto err; - } - - - ret = dict_get_str (this->options, "directory", &directory); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "'storage/bdb' needs at least " - "'option directory <path-to-export-directory>' as " - "minimal configuration option. please specify an " - "export directory using " - "'option directory <path-to-export-directory>' and " - "retry."); - goto err; - } - - umask (000); /* umask `masking' is done at the client side */ - - /* Check whether the specified directory exists, if not create it. */ - ret = stat (directory, &buf); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "specified export path '%s' does not exist. " - "please create the export path '%s' and retry.", - directory, directory); - goto err; - } else if (!S_ISDIR (buf.st_mode)) { - gf_log (this->name, GF_LOG_ERROR, - "specified export path '%s' is not a directory. " - "please specify a valid and existing directory as " - "export directory and retry.", - directory); - goto err; - } else { - ret = 0; - } - - - _private->export_path = gf_strdup (directory); - if (_private->export_path == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "could not allocate memory for 'storage/bdb' " - "configuration data-structure. cannot continue from " - "here"); - goto err; - } - - _private->export_path_length = strlen (_private->export_path); - - { - /* Stats related variables */ - gettimeofday (&_private->init_time, NULL); - gettimeofday (&_private->prev_fetch_time, NULL); - _private->max_read = 1; - _private->max_write = 1; - } - - this->private = (void *)_private; - - { - ret = bdb_db_init (this, this->options); - - if (ret < 0){ - gf_log (this->name, GF_LOG_ERROR, - "database environment initialisation failed. " - "manually run database recovery tool and " - "retry to run glusterfs"); - goto err; - } else { - bctx = bctx_lookup (_private->b_table, "/"); - /* NOTE: we are not doing bctx_unref() for root bctx, - * let it remain in active list forever */ - if (bctx == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "could not allocate memory for " - "'storage/bdb' configuration data-" - "structure. cannot continue from " - "here"); - goto err; - } else { - ret = 0; - goto out; - } - } - } -err: - if (_private) { - if (_private->export_path) - GF_FREE (_private->export_path); - - GF_FREE (_private); - } -out: - return ret; -} - -void -bctx_cleanup (struct list_head *head) -{ - bctx_t *trav = NULL; - bctx_t *tmp = NULL; - DB *storage = NULL; - DB *secondary = NULL; - - list_for_each_entry_safe (trav, tmp, head, list) { - LOCK (&trav->lock); - { - storage = trav->primary; - trav->primary = NULL; - - secondary = trav->secondary; - trav->secondary = NULL; - - list_del_init (&trav->list); - } - UNLOCK (&trav->lock); - - if (storage) { - storage->close (storage, 0); - storage = NULL; - } - - if (secondary) { - secondary->close (secondary, 0); - secondary = NULL; - } - } - return; -} - -void -fini (xlator_t *this) -{ - struct bdb_private *private = NULL; - int32_t ret = 0; - - private = this->private; - - if (B_TABLE(this)) { - /* close all the dbs from lru list */ - bctx_cleanup (&(B_TABLE(this)->b_lru)); - bctx_cleanup (&(B_TABLE(this)->active)); - - if (BDB_ENV(this)) { - LOCK (&private->active_lock); - { - private->active = 0; - } - UNLOCK (&private->active_lock); - - ret = pthread_join (private->checkpoint_thread, NULL); - if (ret != 0) { - gf_log (this->name, GF_LOG_CRITICAL, - "could not complete checkpointing " - "database environment. this might " - "result in inconsistencies in few" - " recent data and meta-data " - "operations"); - } - - BDB_ENV(this)->close (BDB_ENV(this), 0); - } else { - /* impossible to reach here */ - } - - GF_FREE (B_TABLE(this)); - } - GF_FREE (private); - return; -} - - -struct xlator_fops fops = { - .lookup = bdb_lookup, - .stat = bdb_stat, - .opendir = bdb_opendir, - .readdir = bdb_readdir, - .readlink = bdb_readlink, - .mknod = bdb_mknod, - .mkdir = bdb_mkdir, - .unlink = bdb_unlink, - .rmdir = bdb_rmdir, - .symlink = bdb_symlink, - .rename = bdb_rename, - .link = bdb_link, - .truncate = bdb_truncate, - .create = bdb_create, - .open = bdb_open, - .readv = bdb_readv, - .writev = bdb_writev, - .statfs = bdb_statfs, - .flush = bdb_flush, - .fsync = bdb_fsync, - .setxattr = bdb_setxattr, - .getxattr = bdb_getxattr, - .removexattr = bdb_removexattr, - .fsyncdir = bdb_fsyncdir, - .access = bdb_access, - .ftruncate = bdb_ftruncate, - .fstat = bdb_fstat, - .lk = bdb_lk, - .inodelk = bdb_inodelk, - .finodelk = bdb_finodelk, - .entrylk = bdb_entrylk, - .fentrylk = bdb_fentrylk, - .setdents = bdb_setdents, - .getdents = bdb_getdents, - .checksum = bdb_checksum, - .setattr = bdb_setattr, - .fsetattr = bdb_fsetattr, -}; - -struct xlator_cbks cbks = { - .release = bdb_release, - .releasedir = bdb_releasedir -}; - - -struct volume_options options[] = { - { .key = { "directory" }, - .type = GF_OPTION_TYPE_PATH, - .description = "export directory" - }, - { .key = { "logdir" }, - .type = GF_OPTION_TYPE_PATH, - .description = "directory to be used by libdb for writing" - "transaction logs. NOTE: in absence of 'logdir' " - "export directory itself will be used as 'logdir' also" - }, - { .key = { "errfile" }, - .type = GF_OPTION_TYPE_PATH, - .description = "path to be used for libdb error logging. " - "NOTE: absence of 'errfile' will disable any " - "error logging by libdb." - }, - { .key = { "dir-mode" }, - .type = GF_OPTION_TYPE_ANY /* base 8 number */ - }, - { .key = { "file-mode" }, - .type = GF_OPTION_TYPE_ANY, - .description = "file mode for regular files. stat() on a regular file" - " returns the mode specified by this option. " - "NOTE: specify value in octal" - }, - { .key = { "page-size" }, - .type = GF_OPTION_TYPE_SIZET, - .min = 512, - .max = 16384, - .description = "size of pages used to hold data by libdb. set it to " - "block size of exported filesystem for " - "optimal performance" - }, - { .key = { "open-db-lru-limit" }, - .type = GF_OPTION_TYPE_INT, - .min = 1, - .max = 2048, - .description = "maximum number of per directory databases that can " - "be kept open. NOTE: for _advanced_ users only." - }, - { .key = { "lock-timeout" }, - .type = GF_OPTION_TYPE_TIME, - .min = 0, - .max = 4260000, - .description = "define the maximum time a lock request can " - "be blocked by libdb. NOTE: only for _advanced_ users." - " do not specify this option when not sure." - }, - { .key = { "checkpoint-interval" }, - .type = GF_OPTION_TYPE_TIME, - .min = 1, - .max = 86400, - .description = "define the time interval between two consecutive " - "libdb checpoints. setting to lower value will leave " - "bdb perform slowly, but guarantees that minimum data" - " will be lost in case of a crash. NOTE: this option " - "is valid only when " - "'option mode=\"persistent\"' is set." - }, - { .key = { "transaction-timeout" }, - .type = GF_OPTION_TYPE_TIME, - .min = 0, - .max = 4260000, - .description = "maximum time for which a transaction can block " - "waiting for required resources." - }, - { .key = { "mode" }, - .type = GF_OPTION_TYPE_BOOL, - .value = { "cache", "persistent" }, - .description = "cache: data recovery is not guaranteed in case " - "of crash. persistent: data recovery is guaranteed, " - "since all operations are transaction protected." - }, - { .key = { "access-mode" }, - .type = GF_OPTION_TYPE_STR, - .value = {"btree", "hash" }, - .description = "chose the db access method. " - "NOTE: for _advanced_ users. leave the choice to " - "glusterfs when in doubt." - }, - { .key = { NULL } } -}; diff --git a/xlators/storage/bdb/src/bdb.h b/xlators/storage/bdb/src/bdb.h deleted file mode 100644 index da8937a0289..00000000000 --- a/xlators/storage/bdb/src/bdb.h +++ /dev/null @@ -1,530 +0,0 @@ -/* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _BDB_H -#define _BDB_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <stdio.h> -#include <dirent.h> -#include <unistd.h> -#include <sys/types.h> -#include <dirent.h> - -#include <db.h> - -#ifdef linux -#ifdef __GLIBC__ -#include <sys/fsuid.h> -#else -#include <unistd.h> -#endif -#endif - -#ifdef HAVE_SYS_XATTR_H -#include <sys/xattr.h> -#endif - -#ifdef HAVE_SYS_EXTATTR_H -#include <sys/extattr.h> -#endif - -#include <pthread.h> -#include "xlator.h" -#include "inode.h" -#include "compat.h" -#include "compat-errno.h" -#include "fd.h" -#include "syscall.h" - -#define BDB_STORAGE "/glusterfs_storage.db" - -/* numbers are not so reader-friendly, so lets have ON and OFF macros */ -#define ON 1 -#define OFF 0 - -#define BDB_DEFAULT_LRU_LIMIT 100 -#define BDB_DEFAULT_HASH_SIZE 100 - -#define BDB_ENOSPC_THRESHOLD 25600 - -#define BDB_DEFAULT_CHECKPOINT_INTERVAL 30 - -#define BCTX_ENV(bctx) (bctx->table->dbenv) - -#define BDB_EXPORT_PATH_LEN(_private) \ - (((struct bdb_private *)_private)->export_path_length) - -#define BDB_KEY_FROM_FREQUEST_KEY(_key) (&(key[15])) - -#define BDB_EXPORT_PATH(_private) \ - (((struct bdb_private *)_private)->export_path) -/* MAKE_REAL_PATH(var,this,path) - * make the real path on the underlying file-system - * - * @var: destination to hold the real path - * @this: pointer to xlator_t corresponding to bdb xlator - * @path: path, as seen from mount-point - */ -#define MAKE_REAL_PATH(var, this, path) do { \ - int base_len = BDB_EXPORT_PATH_LEN(this->private); \ - var = alloca (strlen (path) + base_len + 2); \ - strcpy (var, BDB_EXPORT_PATH(this->private)); \ - strcpy (&var[base_len], path); \ - } while (0) - - -#define BDB_TIMED_LOG(_errno,_counter) \ - ((_errno == ENOTSUP) && (((++_counter) % GF_UNIVERSAL_ANSWER) == 1)) - -#define GF_FILE_CONTENT_REQUEST ZR_FILE_CONTENT_REQUEST - -/* MAKE_REAL_PATH_TO_STORAGE_DB(var,this,path) - * make the real path to the storage-database file on file-system - * - * @var: destination to hold the real path - * @this: pointer to xlator_t corresponding to bdb xlator - * @path: path of the directory, as seen from mount-point - */ -#define MAKE_REAL_PATH_TO_STORAGE_DB(var, this, path) do { \ - int base_len = BDB_EXPORT_PATH_LEN(this->private); \ - var = alloca (strlen (path) + \ - base_len + \ - strlen (BDB_STORAGE)); \ - strcpy (var, BDB_EXPORT_PATH(this->private)); \ - strcpy (&var[base_len], path); \ - strcat (var, BDB_STORAGE); \ - } while (0) - -/* MAKE_KEY_FROM_PATH(key,path) - * make a 'key', which we use as key in the underlying database by using - * the path - * - * @key: destination to hold the key - * @path: path to file as seen from mount-point - */ -#define MAKE_KEY_FROM_PATH(key, path) do { \ - char *tmp = alloca (strlen (path)); \ - strcpy (tmp, path); \ - key = basename (tmp); \ - }while (0); - -/* IS_BDB_PRIVATE_FILE(name) - * check if a given 'name' is bdb xlator's internal file name - * - * @name: basename of a file. - * - * bdb xlator reserves file names 'glusterfs_storage.db', - * 'glusterfs_ns.db'(used by bdb xlator itself), 'log.*', '__db.*' - * (used by libdb) - */ -#define IS_BDB_PRIVATE_FILE(name) ((!strncmp(name, "__db.", 5)) || \ - (!strcmp(name, "glusterfs_storage.db")) || \ - (!strcmp(name, "glusterfs_ns.db")) || \ - (!strncmp(name, "log.0000", 8))) - -/* check if 'name' is '.' or '..' entry */ -#define IS_DOT_DOTDOT(name) \ - ((!strncmp(name,".", 1)) || (!strncmp(name,"..", 2))) - -/* BDB_ICTX_SET(this,inode,bctx) - * pointer to 'struct bdb_ctx' is stored in inode's ctx of all directories. - * this will happen either in lookup() or mkdir(). - * - * @this: pointer xlator_t of bdb xlator. - * @inode: inode where 'struct bdb_ctx *' has to be stored. - * @bctx: a 'struct bdb_ctx *' - */ -#define BDB_ICTX_SET(_inode,_this,_bctx) do{ \ - inode_ctx_put(_inode, _this, (uint64_t)(long)_bctx); \ - }while (0); - -#define BDB_ICTX_GET(_inode,_this,_bctxp) do { \ - uint64_t tmp_bctx = 0; \ - inode_ctx_get (_inode, _this, &tmp_bctx); \ - *_bctxp = tmp_bctx; \ - }while (0); - -/* BDB_FCTX_SET(this,fd,bctx) - * pointer to 'struct bdb_ctx' is stored in inode's ctx of all directories. - * this will happen either in lookup() or mkdir(). - * - * @this: pointer xlator_t of bdb xlator. - * @inode: inode where 'struct bdb_ctx *' has to be stored. - * @bctx: a 'struct bdb_ctx *' - */ -#define BDB_FCTX_SET(_fd,_this,_bfd) do{ \ - fd_ctx_set(_fd, _this, (uint64_t)(long)_bfd); \ - }while (0); - -#define BDB_FCTX_GET(_fd,_this,_bfdp) do { \ - uint64_t tmp_bfd = 0; \ - fd_ctx_get (_fd, _this, &tmp_bfd); \ - *_bfdp = (void *)(long)tmp_bfd; \ - }while (0); - - -/* maximum number of open dbs that bdb xlator will ever have */ -#define BDB_MAX_OPEN_DBS 100 - -/* convert file size to block-count */ -#define BDB_COUNT_BLOCKS(size,blksize) (((size + blksize - 1)/blksize) - 1) - -/* file permissions, again macros are more readable */ -#define RWXRWXRWX 0777 -#define DEFAULT_FILE_MODE 0600 -#define DEFAULT_DIR_MODE 0755 - -/* see, if have a valid file permissions specification in @mode */ -#define IS_VALID_FILE_MODE(mode) (!(mode & (~RWXRWXRWX))) -#define IS_VALID_DIR_MODE(mode) (!(mode & (~(RWXRWXRWX))) - -/* maximum retries for a failed transactional operation */ -#define BDB_MAX_RETRIES 10 - -#define BDB_LL_PAGE_SIZE_DEFAULT 4096 -#define BDB_LL_PAGE_SIZE_MIN 4096 -#define BDB_LL_PAGE_SIZE_MAX 65536 - -#define PAGE_SIZE_IN_RANGE(_page_size) \ - ((_page_size >= BDB_LL_PAGE_SIZE_MIN) \ - && (table->page_size <= BDB_LL_PAGE_SIZE_MAX)) - -typedef struct bctx_table bctx_table_t; -typedef struct bdb_ctx bctx_t; -typedef struct bdb_cache bdb_cache_t; -typedef struct bdb_private bdb_private_t; - -struct bctx_table { - /* flags to be used for opening each database */ - uint64_t dbflags; - - /* cache: can be either ON or OFF */ - uint64_t cache; - - /* used to lock the 'struct bctx_table *' */ - gf_lock_t lock; - - /* lock for checkpointing */ - gf_lock_t checkpoint_lock; - - /* hash table of 'struct bdb_ctx' */ - struct list_head *b_hash; - - /* list of active 'struct bdb_ctx' */ - struct list_head active; - - /* lru list of inactive 'struct bdb_ctx' */ - struct list_head b_lru; - struct list_head purge; - uint32_t lru_limit; - uint32_t lru_size; - uint32_t hash_size; - - /* access mode for accessing the databases, can be DB_HASH, DB_BTREE */ - DBTYPE access_mode; - - /* DB_ENV under which every db operation is carried over */ - DB_ENV *dbenv; - int32_t transaction; - xlator_t *this; - - /* page-size of DB, DB->set_pagesize(), should be set before DB->open */ - uint64_t page_size; -}; - -struct bdb_ctx { - /* controller members */ - - /* lru list of 'struct bdb_ctx's, a bdb_ctx can exist in one of - * b_hash or lru lists */ - struct list_head list; - - /* directory 'name' hashed list of 'struct bdb_ctx's */ - struct list_head b_hash; - - struct bctx_table *table; - int32_t ref; /* reference count */ - gf_lock_t lock; /* used to lock this 'struct bdb_ctx' */ - - char *directory; /* directory path */ - - /* pointer to open database, that resides inside this directory */ - DB *primary; - DB *secondary; - uint32_t cache; /* cache ON or OFF */ - - /* per directory cache, bdb xlator's internal cache */ - struct list_head c_list; /* linked list of cached records */ - int32_t c_count; /* number of cached records */ - - /* index to hash table list, to which this ctx belongs */ - int32_t key_hash; - char *db_path; /* absolute path to db file */ -}; - -struct bdb_fd { - /* pointer to bdb_ctx of the parent directory */ - struct bdb_ctx *ctx; - - /* name of the file. NOTE: basename, not the complete path */ - char *key; - int32_t flags; /* open flags */ -}; - -struct bdb_dir { - /* pointer to bdb_ctx of this directory */ - struct bdb_ctx *ctx; - - /* open directory pointer, as returned by opendir() */ - DIR *dir; - - char *path; /* path to this directory */ -}; - -/* cache */ -struct bdb_cache { - /* list of 'struct bdb_cache' under a 'struct bdb_ctx' */ - struct list_head c_list; - - /* name of the file this cache holds. NOTE: basename of file */ - char *key; - char *data; /* file content */ - - /* size of the file content that this cache holds */ - size_t size; -}; - - -struct bdb_private { - /* pointer to inode table that we use */ - inode_table_t *itable; - int32_t temp; /**/ - char is_stateless; /**/ - - /* path to the export directory - * (option directory <export-path>) */ - char *export_path; - - /* length of 'export_path' string */ - int32_t export_path_length; - - /* statistics */ - /* Statistics, provides activity of the server */ - struct xlator_stats stats; - - struct timeval prev_fetch_time; - struct timeval init_time; - int32_t max_read; /* */ - int32_t max_write; /* */ - - /* Used to calculate the max_read value */ - int64_t interval_read; - - /* Used to calculate the max_write value */ - int64_t interval_write; - int64_t read_value; /* Total read, from init */ - int64_t write_value; /* Total write, from init */ - - /* bdb xlator specific private data */ - - /* flags used for opening DB_ENV for this xlator */ - uint64_t envflags; - - /* flags to be used for opening each database */ - uint64_t dbflags; - - /* cache: can be either ON or OFF */ - uint64_t cache; - - /* transaction: can be either ON or OFF */ - uint32_t transaction; - uint32_t active; - gf_lock_t active_lock; - struct bctx_table *b_table; - - /* access mode for accessing the databases, can be DB_HASH, DB_BTREE - * (option access-mode <mode>) */ - DBTYPE access_mode; - - /* mode for each and every file stored on bdb - * (option file-mode <mode>) */ - mode_t file_mode; - - /* mode for each and every directory stored on bdb - * (option dir-mode <mode>) */ - mode_t dir_mode; - - /* mode for each and every symlink stored on bdb */ - mode_t symlink_mode; - - /* pthread_t object used for creating checkpoint thread */ - pthread_t checkpoint_thread; - - /* time duration between two consecutive checkpoint operations. - * (option checkpoint-interval <time-in-seconds>) */ - uint32_t checkpoint_interval; - - /* environment log directory (option logdir <directory>) */ - char *logdir; - - /* errfile path, used by environment to print detailed error log. - * (option errfile <errfile-path>) */ - char *errfile; - - /* DB_ENV->set_errfile() expects us to fopen - * the errfile before doing DB_ENV->set_errfile() */ - FILE *errfp; - - /* used by DB_ENV->set_timeout to set the timeout for - * a transactionally encapsulated DB->operation() to - * timeout before waiting for locks to be released. - * (option transaction-timeout <time-in-milliseconds>) - */ - uint32_t txn_timeout; - uint32_t lock_timeout; - - /* DB_AUTO_LOG_REMOVE flag for DB_ENV*/ - uint32_t log_auto_remove; - uint32_t log_region_max; -}; - - -static inline int32_t -bdb_txn_begin (DB_ENV *dbenv, - DB_TXN **ptxnid) -{ - return dbenv->txn_begin (dbenv, NULL, ptxnid, 0); -} - -static inline int32_t -bdb_txn_abort (DB_TXN *txnid) -{ - return txnid->abort (txnid); -} - -static inline int32_t -bdb_txn_commit (DB_TXN *txnid) -{ - return txnid->commit (txnid, 0); -} - -void * -bdb_db_stat (bctx_t *bctx, - DB_TXN *txnid, - uint32_t flags); - -/*int32_t -bdb_db_get(struct bdb_ctx *bctx, - DB_TXN *txnid, - const char *key_string, - char **buf, - size_t size, - off_t offset); -*/ -int32_t -bdb_db_fread (struct bdb_fd *bfd, char *bufp, size_t size, off_t offset); - -int32_t -bdb_db_iread (struct bdb_ctx *bctx, const char *key, char **bufp); - -#define BDB_TRUNCATE_RECORD 0xcafebabe - -/*int32_t -bdb_db_put (struct bdb_ctx *bctx, - DB_TXN *txnid, - const char *key_string, - const char *buf, - size_t size, - off_t offset, - int32_t flags); -*/ -int32_t -bdb_db_icreate (struct bdb_ctx *bctx, const char *key); - -int32_t -bdb_db_fwrite (struct bdb_fd *bfd, char *buf, size_t size, off_t offset); - -int32_t -bdb_db_iwrite (struct bdb_ctx *bctx, const char *key, char *buf, size_t size); - -int32_t -bdb_db_itruncate (struct bdb_ctx *bctx, const char *key); - -int32_t -bdb_db_iremove (struct bdb_ctx *bctx, - const char *key); - -ino_t -bdb_inode_transform (ino_t parent, - const char *name, - size_t namelen); - -int32_t -bdb_cursor_open (struct bdb_ctx *bctx, - DBC **cursorp); - -int32_t -bdb_cursor_get (DBC *cursorp, - DBT *sec, DBT *pri, - DBT *value, - int32_t flags); - - -int32_t -bdb_cursor_close (struct bdb_ctx *ctx, - DBC *cursorp); - - -int32_t -bdb_dirent_size (DBT *key); - -int32_t -dirent_size (struct dirent *entry); - -int -bdb_db_init (xlator_t *this, - dict_t *options); - -void -bdb_dbs_from_dict_close (dict_t *this, - char *key, - data_t *value, - void *data); - -bctx_t * -bctx_lookup (struct bctx_table *table, - const char *path); - -bctx_t * -bctx_parent -(struct bctx_table *table, - const char *path); - -bctx_t * -bctx_unref (bctx_t *ctx); - -bctx_t * -bctx_ref (bctx_t *ctx); - -#endif /* _BDB_H */ |