diff options
Diffstat (limited to 'xlators/protocol/client/src/client-protocol.c')
| -rw-r--r-- | xlators/protocol/client/src/client-protocol.c | 6990 |
1 files changed, 0 insertions, 6990 deletions
diff --git a/xlators/protocol/client/src/client-protocol.c b/xlators/protocol/client/src/client-protocol.c deleted file mode 100644 index 1d3fbfec783..00000000000 --- a/xlators/protocol/client/src/client-protocol.c +++ /dev/null @@ -1,6990 +0,0 @@ -/* - Copyright (c) 2006-2009 Z RESEARCH, Inc. <http://www.zresearch.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 <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, - char *buf_p, size_t buflen); -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, - dict_t *refs); - -static gf_op_t gf_fops[]; -static gf_op_t gf_mops[]; -static gf_op_t gf_cbks[]; - - -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; -} - - -static ino_t -this_ino_get_from_inode (inode_t *inode, xlator_t *this) -{ - ino_t ino = 0; - int32_t ret = 0; - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, inode, out); - - if (inode->ino == 1) { - ino = 1; - goto out; - } - - ret = inode_ctx_get (inode, this, &ino); - - if (inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "(%"PRId64"): failed to get remote inode number", - inode->ino); - } - -out: - return ino; -} - - -static ino_t -this_ino_get (loc_t *loc, xlator_t *this, int32_t which) -{ - ino_t ino = 0; - int32_t ret = 0; - inode_t *inode = NULL; - - GF_VALIDATE_OR_GOTO ("client", this, out); - - if (which == GF_CLIENT_INODE_SELF) { - inode = loc->inode; - } else if (which == GF_CLIENT_INODE_PARENT) { - inode = loc->parent; - } - GF_VALIDATE_OR_GOTO (this->name, inode, out); - - if (inode->ino == 1) { - ino = 1; - goto out; - } - - ret = inode_ctx_get (inode, this, &ino); - - if (inode->ino && ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s(%s - %"PRId64") failed to get remote inode number", - loc->path, - (which == GF_CLIENT_INODE_SELF? "self" : "parent"), - inode->ino); - } - -out: - return ino; -} - - -static void -this_ino_set (loc_t *loc, xlator_t *this, ino_t ino) -{ - ino_t old_ino = 0; - int32_t ret = -1; - inode_t *inode = NULL; - - GF_VALIDATE_OR_GOTO ("client", this, out); - - inode = loc->inode; - GF_VALIDATE_OR_GOTO (this->name, inode, out); - - ret = inode_ctx_get (inode, this, &old_ino); - - if (old_ino != ino) { - if (old_ino) - gf_log (this->name, GF_LOG_DEBUG, - "%s: inode number changed from %"PRId64" " - "to %"PRId64, - loc->path, old_ino, ino); - - ret = inode_ctx_put (inode, this, ino); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to set remote " - "inode number to inode ctx", - loc->path, ino); - } - } -out: - return; -} - - -static int -this_fd_get (fd_t *file, xlator_t *this, int64_t *remote_fd) -{ - int ret = 0; - int dict_ret = -1; - uint64_t tmp_fd = 0; - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, file, out); - GF_VALIDATE_OR_GOTO (this->name, remote_fd, out); - - dict_ret = fd_ctx_get (file, this, &tmp_fd); - - if (dict_ret < 0) { - ret = -1; - } - *remote_fd = (int64_t)tmp_fd; -out: - return ret; -} - - -static void -this_fd_set (fd_t *file, xlator_t *this, loc_t *loc, int64_t fd) -{ - uint64_t old_fd = 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, &old_fd); - if (ret >= 0) { - gf_log (this->name, GF_LOG_WARNING, - "%s (%"PRId64"): trying duplicate remote fd set. " - "%"PRId64" over-rides %"PRId64, - loc->path, loc->inode->ino, fd, old_fd); - } - - ret = fd_ctx_set (file, this, (uint64_t)fd); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to set remote fd", - loc->path, loc->inode->ino); - } -out: - return; -} - - -static int -client_local_wipe (client_local_t *local) -{ - if (local) { - loc_wipe (&local->loc); - - if (local->fd) - fd_unref (local->fd); - - free (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, }; - dict_t *reply = NULL; - char **gf_op_list = NULL; - gf_op_t *gf_ops = NULL; - struct tm frame_sent_tm; - char frame_sent[32] = {0,}; - - 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) { - struct timeval timeout = {0,}; - gf_timer_cbk_t timer_cbk = conn->timer->cbk; - - 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->transport_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->transport_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->transport_timeout, - ¤t); - if (saved_frame) - list_add (&saved_frame->list, &list); - } while (saved_frame); - } - pthread_mutex_unlock (&conn->lock); - - reply = get_new_dict(); - dict_ref (reply); - - 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; - } - - 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, - "activating bail-out :" - "frame sent = %s. transport-timeout = %d", - frame_sent, conn->transport_timeout); - - hdr.type = hton32 (trav->type); - hdr.op = hton32 (trav->op); - - frame = trav->frame; - frame->root->rsp_refs = reply; - - gf_ops[trav->op] (frame, &hdr, sizeof (hdr), NULL, 0); - - list_del_init (&trav->list); - FREE (trav); - } - dict_unref (reply); -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) { - timeout.tv_sec = 10; - timeout.tv_usec = 0; - conn->timer = gf_timer_call_after (trans->xl->ctx, timeout, - call_bail, (void *) trans); - } -} - - -int -client_get_forgets (xlator_t *this, client_forget_t *forget) -{ - call_frame_t *fr = NULL; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - gf_cbk_forget_req_t *req = NULL; - int ret = -1; - client_conf_t *conf = NULL; - int count = 0; - int index = 0; - - conf = this->private; - - if (conf->forget.count > 0) { - count = conf->forget.count; - - hdrlen = gf_hdr_len (req, (count * sizeof (int64_t))); - hdr = gf_hdr_new (req, (count * sizeof (int64_t))); - GF_VALIDATE_OR_GOTO (this->name, hdr, out); - - req = gf_param (hdr); - - req->count = hton32 (count); - for (index = 0; index < count; index++) { - req->ino_array[index] = - hton64 (conf->forget.ino_array[index]); - } - - fr = create_frame (this, this->ctx->pool); - GF_VALIDATE_OR_GOTO (this->name, fr, out); - - conf->forget.frames_in_transit++; - - forget->frame = fr; - forget->hdr = hdr; - forget->hdrlen = hdrlen; - - ret = count; - - conf->forget.count = 0; - } - out: - return ret; -} - -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); - - if (((current.tv_sec - conn->last_received.tv_sec) < - conn->ping_timeout) - || ((current.tv_sec - conn->last_sent.tv_sec) < - conn->ping_timeout)) { - transport_activity = 1; - } - - if (transport_activity) { - gf_log (this->name, GF_LOG_DEBUG, - "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_ERROR, - "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, - "ping timer expired! bailing transport"); - transport_disconnect (trans); - } -} - - -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; - - - trans = data; - this = trans->xl; - conf = this->private; - conn = trans->xl_private; - - pthread_mutex_lock (&conn->lock); - { - if ((conn->saved_frames->count == 0) || - !conn->connected) { - /* using goto looked ugly here, - * hence getting out this way */ - if (conn->ping_timer) - gf_timer_call_cancel (trans->xl->ctx, - conn->ping_timer); - conn->ping_timer = NULL; - conn->ping_started = 0; - /* unlock */ - pthread_mutex_unlock (&conn->lock); - return; - } - - if (conn->saved_frames->count < 0) { - gf_log (this->name, GF_LOG_ERROR, - "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_ERROR, - "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); - - dummy_frame = create_frame (this, this->ctx->pool); - 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); -} - - -int -client_ping_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - xlator_t *this = NULL; - transport_t *trans = NULL; - client_conf_t *conf = NULL; - client_connection_t *conn = NULL; - struct timeval timeout = {0, }; - int op_ret = 0; - - trans = frame->local; frame->local = NULL; - this = trans->xl; - conf = this->private; - 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_ERROR, "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_ERROR, - "gf_timer_call_after() returned NULL"); - } - pthread_mutex_unlock (&conn->lock); -out: - STACK_DESTROY (frame->root); - 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, - dict_t *refs) -{ - 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, }; - client_forget_t forget = {0, }; - uint8_t send_forget = 0; - - - conf = this->private; - - if (!trans) { - /* default to bulk op since it is 'safer' */ - trans = conf->transport[CHANNEL_BULK]; - } - conn = trans->xl_private; - - if (!((type == GF_OP_TYPE_CBK_REQUEST) && - (op == GF_CBK_FORGET))) - { - LOCK (&conf->forget.lock); - { - ret = client_get_forgets (this, &forget); - if (ret <= 0) - send_forget = 0; - else - send_forget = 1; - } - UNLOCK (&conf->forget.lock); - - if (send_forget) { - ret = protocol_client_xfer (forget.frame, this, NULL, - GF_OP_TYPE_CBK_REQUEST, - GF_CBK_FORGET, - forget.hdr, forget.hdrlen, - NULL, 0, NULL); - } - } - - 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); - } - - 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, refs); - } - - if ((ret >= 0) && frame) { - /* TODO: check this logic */ - gettimeofday (&conn->last_sent, NULL); - 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, 0); - } else if (type == GF_OP_TYPE_MOP_REQUEST) { - rsphdr.type = GF_OP_TYPE_MOP_REPLY; - gf_mops[op] (frame, &rsphdr, sizeof (rsphdr), NULL, 0); - } else { - rsphdr.type = GF_OP_TYPE_CBK_REPLY; - gf_cbks[op] (frame, &rsphdr, sizeof (rsphdr), NULL, 0); - } - } - - 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) -{ - 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; - client_conf_t *conf = NULL; - client_local_t *local = NULL; - - - conf = this->private; - - if (conf->child) { - STACK_WIND (frame, default_create_cbk, - conf->child, - conf->child->fops->create, - loc, flags, mode, fd); - return 0; - } - - local = calloc (1, sizeof (*local)); - GF_VALIDATE_OR_GOTO(this->name, local, unwind); - - local->fd = fd_ref (fd); - loc_copy (&local->loc, loc); - - frame->local = local; - - pathlen = STRLEN_0(loc->path); - baselen = STRLEN_0(loc->name); - par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT); - - 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 (flags); - req->mode = hton32 (mode); - req->par = hton64 (par); - 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_FOP_CREATE, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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) -{ - 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; - client_conf_t *conf = NULL; - client_local_t *local = NULL; - - conf = this->private; - if (conf->child) { - /* */ - STACK_WIND (frame, default_open_cbk, - conf->child, - conf->child->fops->open, - loc, flags, fd); - - return 0; - } - - local = calloc (1, sizeof (*local)); - GF_VALIDATE_OR_GOTO(this->name, local, unwind); - - local->fd = fd_ref (fd); - loc_copy (&local->loc, loc); - - frame->local = local; - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->flags = hton32 (flags); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_OPEN, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_stat_cbk, - conf->child, - conf->child->fops->stat, - loc); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_STAT, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_readlink_cbk, - conf->child, - conf->child->fops->readlink, - loc, - size); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->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_FOP_READLINK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - free (hdr); - STACK_UNWIND(frame, -1, EINVAL, 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 - */ -int32_t -client_mknod (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode, - dev_t dev) -{ - 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; - client_conf_t *conf = this->private; - client_local_t *local = NULL; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_mknod_cbk, - conf->child, - conf->child->fops->mknod, - loc, mode, dev); - - return 0; - } - - local = calloc (1, sizeof (*local)); - 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); - par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT); - - 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->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_FOP_MKNOD, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -client_mkdir (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode) -{ - 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; - client_conf_t *conf = this->private; - client_local_t *local = NULL; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_mkdir_cbk, - conf->child, - conf->child->fops->mkdir, - loc, mode); - - return 0; - } - - local = calloc (1, sizeof (*local)); - 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); - par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT); - - 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->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_FOP_MKDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_unlink_cbk, - conf->child, - conf->child->fops->unlink, - loc); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - baselen = STRLEN_0(loc->name); - par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT); - - 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); - 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_FOP_UNLINK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_rmdir_cbk, - conf->child, - conf->child->fops->rmdir, - loc); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - baselen = STRLEN_0(loc->name); - par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT); - - 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); - 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_FOP_RMDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -client_symlink (call_frame_t *frame, - xlator_t *this, - const char *linkname, - loc_t *loc) -{ - 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; - client_conf_t *conf = this->private; - client_local_t *local = NULL; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_symlink_cbk, - conf->child, - conf->child->fops->symlink, - linkname, loc); - - return 0; - } - - local = calloc (1, sizeof (*local)); - 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); - par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT); - - 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); - 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_FOP_SYMLINK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - ino_t newpar = 0; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_rename_cbk, - conf->child, - conf->child->fops->rename, - oldloc, newloc); - - return 0; - } - - oldpathlen = STRLEN_0(oldloc->path); - oldbaselen = STRLEN_0(oldloc->name); - newpathlen = STRLEN_0(newloc->path); - newbaselen = STRLEN_0(newloc->name); - oldpar = this_ino_get (oldloc, this, GF_CLIENT_INODE_PARENT); - newpar = this_ino_get (newloc, this, GF_CLIENT_INODE_PARENT); - - 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->newpar = hton64 (newpar); - - 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_FOP_RENAME, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ - -int32_t -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; - ino_t newpar = 0; - client_conf_t *conf = this->private; - client_local_t *local = NULL; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_link_cbk, - conf->child, - conf->child->fops->link, - oldloc, newloc); - - return 0; - } - - local = calloc (1, sizeof (*local)); - 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); - oldino = this_ino_get (oldloc, this, GF_CLIENT_INODE_SELF); - newpar = this_ino_get (newloc, this, GF_CLIENT_INODE_PARENT); - - 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->newpar = hton64 (newpar); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_LINK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - free (hdr); - STACK_UNWIND(frame, -1, EINVAL, oldloc->inode, NULL); - return 0; -} - - - -/** - * client_chmod - chmod function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * @mode: - * - * external reference through client_protocol_xlator->fops->chmod - */ -int32_t -client_chmod (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - mode_t mode) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_chmod_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_chmod_cbk, - conf->child, - conf->child->fops->chmod, - loc, - mode); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->mode = hton32 (mode); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_CHMOD, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - free (hdr); - STACK_UNWIND(frame, -1, EINVAL, NULL); - return 0; - -} - - -/** - * client_chown - chown function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * @uid: uid of new owner - * @gid: gid of new owner group - * - * external reference through client_protocol_xlator->fops->chown - */ -int32_t -client_chown (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - uid_t uid, - gid_t gid) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_chown_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_chown_cbk, - conf->child, - conf->child->fops->chown, - loc, - uid, - gid); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->uid = hton32 (uid); - req->gid = hton32 (gid); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_CHOWN, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - free (hdr); - STACK_UNWIND(frame, -1, EINVAL, 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_truncate_cbk, - conf->child, - conf->child->fops->truncate, - loc, - offset); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->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_FOP_TRUNCATE, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - free (hdr); - STACK_UNWIND(frame, -1, EINVAL, NULL); - return 0; - -} - - - -/** - * client_utimes - utimes function for client protocol - * @frame: call frame - * @this: this translator structure - * @loc: location - * @tvp: - * - * external reference through client_protocol_xlator->fops->utimes - */ -int32_t -client_utimens (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - struct timespec *tvp) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_utimens_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - size_t pathlen = 0; - ino_t ino = 0; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_utimens_cbk, - conf->child, - conf->child->fops->utimens, - loc, - tvp); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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); - gf_timespec_from_timespec (req->tv, tvp); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_UTIMENS, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_readv_cbk, - conf->child, - conf->child->fops->readv, - fd, - size, - offset); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd, returning EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL, 0, NULL); - return 0; - } - - 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_FOP_READ, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - if (hdr) - 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 - */ -int32_t -client_writev (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - struct iovec *vector, - int32_t count, - off_t offset) -{ - 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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_writev_cbk, - conf->child, - conf->child->fops->writev, - fd, - vector, - count, - offset); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - 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_FOP_WRITE, - hdr, hdrlen, vector, count, - frame->root->req_refs); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_statfs_cbk, - conf->child, - conf->child->fops->statfs, - loc); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_STATFS, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_flush_cbk, - conf->child, - conf->child->fops->flush, - fd); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD); - return 0; - } - - 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_FOP_FLUSH, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - if (hdr) - 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 - */ - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fsync_cbk, - conf->child, - conf->child->fops->fsync, - fd, - flags); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND(frame, -1, EBADFD); - return 0; - } - - 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_FOP_FSYNC, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - free (hdr); - STACK_UNWIND(frame, -1, EINVAL); - return 0; - -} - -int32_t -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; - client_conf_t *conf = NULL; - - GF_VALIDATE_OR_GOTO("client", this, unwind); - - conf = this->private; - if (conf->child) { - /* */ - STACK_WIND (frame, - default_xattrop_cbk, - conf->child, - conf->child->fops->xattrop, - loc, - flags, - dict); - - return 0; - } - - GF_VALIDATE_OR_GOTO(this->name, loc, unwind); - - if (dict) { - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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) { - ret = dict_serialize (dict, req->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to serialize dictionary(%p)", - dict); - goto unwind; - } - } - req->ino = hton64 (ino); - strcpy (req->path + dict_len, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_XATTROP, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - free (hdr); - - STACK_UNWIND(frame, -1, EINVAL, NULL); - return 0; -} - - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fxattrop_cbk, - conf->child, - conf->child->fops->fxattrop, - fd, - flags, - dict); - - return 0; - } - - if (dict) { - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - } - - if (fd) { - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - goto unwind; - } - ino = fd->inode->ino; - } - - 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_ERROR, - "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_FOP_FXATTROP, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_setxattr_cbk, - conf->child, - conf->child->fops->setxattr, - loc, - dict, - flags); - - return 0; - } - - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - - pathlen = STRLEN_0(loc->path); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->flags = hton32 (flags); - req->dict_len = hton32 (dict_len); - - ret = dict_serialize (dict, req->dict); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "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_FOP_SETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fsetxattr_cbk, - conf->child, - conf->child->fops->fsetxattr, - fd, - dict, - flags); - - return 0; - } - - dict_len = dict_serialized_length (dict); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to get serialized length of dict(%p)", - dict); - goto unwind; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - goto unwind; - } - ino = fd->inode->ino; - - 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_ERROR, - "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_FOP_FSETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_getxattr_cbk, - conf->child, - conf->child->fops->getxattr, - loc, - name); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - if (name) - namelen = STRLEN_0(name); - - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->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_FOP_GETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fgetxattr_cbk, - conf->child, - conf->child->fops->fgetxattr, - fd, - name); - - return 0; - } - - if (name) - namelen = STRLEN_0(name); - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - goto unwind; - } - ino = fd->inode->ino; - - 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_FOP_FGETXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_removexattr_cbk, - conf->child, - conf->child->fops->removexattr, - loc, - name); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - namelen = STRLEN_0(name); - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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); - 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_FOP_REMOVEXATTR, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - size_t pathlen = 0; - client_conf_t *conf = this->private; - client_local_t *local = NULL; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_opendir_cbk, - conf->child, - conf->child->fops->opendir, - loc, fd); - - return 0; - } - - local = calloc (1, sizeof (*local)); - GF_VALIDATE_OR_GOTO(this->name, local, unwind); - - loc_copy (&local->loc, loc); - local->fd = fd_ref (fd); - - frame->local = local; - - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - 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); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_OPENDIR, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - free (hdr); - STACK_UNWIND(frame, -1, EINVAL, fd); - return 0; - -} - - -/** - * client_readdir - readdir function for client protocol - * @frame: call frame - * @this: this translator structure - * - * external reference through client_protocol_xlator->fops->readdir - */ - -int32_t -client_getdents (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - size_t size, - off_t offset, - int32_t flag) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_getdents_req_t *req = NULL; - size_t hdrlen = 0; - int64_t remote_fd = -1; - int ret = -1; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_getdents_cbk, - conf->child, - conf->child->fops->getdents, - fd, - size, - offset, - flag); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO(frame->this->name, hdr, unwind); - - req = gf_param (hdr); - GF_VALIDATE_OR_GOTO(frame->this->name, hdr, unwind); - - req->fd = hton64 (remote_fd); - req->size = hton32 (size); - req->offset = hton64 (offset); - req->flags = hton32 (flag); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_GETDENTS, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - STACK_UNWIND(frame, -1, EINVAL, NULL, 0); - return 0; -} - -/** - * client_readdir - readdir function for client protocol - * @frame: call frame - * @this: this translator structure - * - * external reference through client_protocol_xlator->fops->readdir - */ - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_readdir_cbk, - conf->child, - conf->child->fops->readdir, - fd, size, offset); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - goto unwind; - } - - 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_FOP_READDIR, - hdr, hdrlen, NULL, 0, NULL); - - return 0; -unwind: - if (hdr) - 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 - */ - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fsyncdir_cbk, - conf->child, - conf->child->fops->fsyncdir, - fd, - flags); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - goto unwind; - } - - 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_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 - */ -int32_t -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; - size_t pathlen = 0; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_access_cbk, - conf->child, - conf->child->fops->access, - loc, - mask); - - return 0; - } - - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - 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->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_FOP_ACCESS, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_ftruncate_cbk, - conf->child, - conf->child->fops->ftruncate, - fd, - offset); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - 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_FOP_FTRUNCATE, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fstat_cbk, - conf->child, - conf->child->fops->fstat, - fd); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND (frame, -1, EBADFD, NULL); - return 0; - } - - 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_FOP_FSTAT, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -client_lk (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t cmd, - struct 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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_lk_cbk, - conf->child, - conf->child->fops->lk, - fd, - cmd, - flock); - - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND(frame, -1, EBADFD, NULL); - return 0; - } - - 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_ERROR, - "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_FOP_LK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -client_inodelk (call_frame_t *frame, - xlator_t *this, - const char *volume, - loc_t *loc, - int32_t cmd, - struct 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; - size_t pathlen = 0; - size_t vollen = 0; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_inodelk_cbk, - conf->child, - conf->child->fops->inodelk, - volume, loc, cmd, flock); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - vollen = STRLEN_0(volume); - - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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_ERROR, - "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->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_FOP_INODELK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -client_finodelk (call_frame_t *frame, - xlator_t *this, - const char *volume, - fd_t *fd, - int32_t cmd, - struct 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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_finodelk_cbk, - conf->child, - conf->child->fops->finodelk, - volume, fd, cmd, flock); - - return 0; - } - - vollen = STRLEN_0(volume); - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND(frame, -1, EBADFD); - return 0; - } - - 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_ERROR, - "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_FOP_FINODELK, - hdr, hdrlen, NULL, 0, NULL); - return ret; -unwind: - if (hdr) - free (hdr); - - STACK_UNWIND(frame, -1, EINVAL); - return 0; -} - - -int32_t -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; - size_t namelen = 0; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, default_entrylk_cbk, - conf->child, - conf->child->fops->entrylk, - volume, loc, name, cmd, type); - - return 0; - } - - pathlen = STRLEN_0(loc->path); - vollen = STRLEN_0(volume); - - if (name) - namelen = STRLEN_0(name); - - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - - 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->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_FOP_ENTRYLK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - free (hdr); - - STACK_UNWIND(frame, -1, EINVAL); - return 0; - -} - - -int32_t -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_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, default_fentrylk_cbk, - conf->child, - conf->child->fops->fentrylk, - volume, fd, name, cmd, type); - - return 0; - } - - if (name) - namelen = STRLEN_0(name); - - vollen = STRLEN_0(volume); - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - STACK_UNWIND(frame, -1, EBADFD); - return 0; - } - - 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_FOP_FENTRYLK, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - if (hdr) - 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 - */ -int32_t -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; - size_t dictlen = 0; - size_t pathlen = 0; - size_t baselen = 0; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - client_conf_t *conf = this->private; - client_local_t *local = NULL; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_lookup_cbk, - conf->child, - conf->child->fops->lookup, - loc, - xattr_req); - - return 0; - } - - local = calloc (1, sizeof (*local)); - GF_VALIDATE_OR_GOTO(this->name, local, unwind); - - loc_copy (&local->loc, loc); - - frame->local = local; - - GF_VALIDATE_OR_GOTO (this->name, loc, unwind); - GF_VALIDATE_OR_GOTO (this->name, loc->path, unwind); - - if (loc->ino != 1) { - par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT); - 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) { - dictlen = dict_serialized_length (xattr_req); - if (dictlen < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to get serialized length of dict(%p)", - xattr_req); - ret = dictlen; - 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->par = hton64 (par); - strcpy (req->path, loc->path); - if (baselen) - strcpy (req->path + pathlen, loc->name); - - if (dictlen) { - ret = dict_serialize (xattr_req, req->dict + baselen + pathlen); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to serialize dictionary(%p)", - xattr_req); - goto unwind; - } - } - - req->dictlen = hton32 (dictlen); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_LOOKUP, - hdr, hdrlen, NULL, 0, NULL); - return ret; - -unwind: - STACK_UNWIND (frame, op_ret, op_errno, loc->inode, NULL, NULL); - return ret; -} - - - -/* - * client_fchmod - * - */ -int32_t -client_fchmod (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - mode_t mode) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fchmod_req_t *req = NULL; - int64_t remote_fd = -1; - size_t hdrlen = -1; - int ret = -1; - int32_t op_errno = EINVAL; - int32_t op_ret = -1; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fchmod_cbk, - conf->child, - conf->child->fops->fchmod, - fd, - mode); - - return 0; - } - - GF_VALIDATE_OR_GOTO (this->name, fd, unwind); - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - op_errno = EBADFD; - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - goto unwind; - } - - 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->mode = hton32 (mode); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_FCHMOD, - hdr, hdrlen, NULL, 0, NULL); - - return 0; - -unwind: - STACK_UNWIND (frame, op_ret, op_errno, NULL); - return 0; -} - - -/* - * client_fchown - - * - * @frame: - * @this: - * @fd: - * @uid: - * @gid: - * - */ -int32_t -client_fchown (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - uid_t uid, - gid_t gid) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_fchown_req_t *req = NULL; - int64_t remote_fd = 0; - size_t hdrlen = -1; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - int32_t ret = -1; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_fchown_cbk, - conf->child, - conf->child->fops->fchown, - fd, - uid, - gid); - - return 0; - } - - GF_VALIDATE_OR_GOTO (this->name, fd, unwind); - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - op_errno = EBADFD; - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - goto unwind; - } - - 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->uid = hton32 (uid); - req->gid = hton32 (gid); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_LOWLAT), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_FCHOWN, - hdr, hdrlen, NULL, 0, NULL); - - return 0; - -unwind: - STACK_UNWIND (frame, op_ret, op_errno, NULL); - return 0; - -} - -/** - * client_setdents - - */ -int32_t -client_setdents (call_frame_t *frame, - xlator_t *this, - fd_t *fd, - int32_t flags, - dir_entry_t *entries, - int32_t count) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_setdents_req_t *req = NULL; - int64_t remote_fd = 0; - char *buffer = NULL; - char *ptr = NULL; - data_t *buf_data = NULL; - dict_t *reply_dict = NULL; - dir_entry_t *trav = NULL; - uint32_t len = 0; - int32_t buf_len = 0; - int32_t ret = -1; - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - int32_t vec_count = 0; - size_t hdrlen = -1; - struct iovec vector[1]; - client_conf_t *conf = this->private; - - if (conf->child) { - /* */ - STACK_WIND (frame, - default_setdents_cbk, - conf->child, - conf->child->fops->setdents, - fd, - flags, - entries, - count); - - return 0; - } - - GF_VALIDATE_OR_GOTO (this->name, fd, unwind); - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd. returning EBADFD", - fd->inode->ino); - op_errno = EBADFD; - goto unwind; - } - - GF_VALIDATE_OR_GOTO (this->name, entries, unwind); - GF_VALIDATE_OR_GOTO (this->name, count, unwind); - - trav = entries->next; - while (trav) { - len += strlen (trav->name); - len += 1; - len += strlen (trav->link); - len += 1; - len += 256; // max possible for statbuf; - trav = trav->next; - } - buffer = CALLOC (1, len); - GF_VALIDATE_OR_GOTO (this->name, buffer, unwind); - - ptr = buffer; - - trav = entries->next; - while (trav) { - int32_t this_len = 0; - char *tmp_buf = NULL; - struct stat *stbuf = &trav->buf; - { - /* Convert the stat buf to string */ - uint64_t dev = stbuf->st_dev; - uint64_t ino = stbuf->st_ino; - uint32_t mode = stbuf->st_mode; - uint32_t nlink = stbuf->st_nlink; - uint32_t uid = stbuf->st_uid; - uint32_t gid = stbuf->st_gid; - uint64_t rdev = stbuf->st_rdev; - uint64_t size = stbuf->st_size; - uint32_t blksize = stbuf->st_blksize; - uint64_t blocks = stbuf->st_blocks; - - uint32_t atime = stbuf->st_atime; - uint32_t mtime = stbuf->st_mtime; - uint32_t ctime = stbuf->st_ctime; - - uint32_t atime_nsec = ST_ATIM_NSEC(stbuf); - uint32_t mtime_nsec = ST_MTIM_NSEC(stbuf); - uint32_t ctime_nsec = ST_CTIM_NSEC(stbuf); - - asprintf (&tmp_buf, - GF_STAT_PRINT_FMT_STR, - dev, - ino, - mode, - nlink, - uid, - gid, - rdev, - size, - blksize, - blocks, - atime, - atime_nsec, - mtime, - mtime_nsec, - ctime, - ctime_nsec); - } - this_len = sprintf (ptr, "%s/%s%s\n", - trav->name, - tmp_buf, - trav->link); - - FREE (tmp_buf); - trav = trav->next; - ptr += this_len; - } - buf_len = strlen (buffer); - - 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->flags = hton32 (flags); - req->count = hton32 (count); - - { - buf_data = get_new_data (); - GF_VALIDATE_OR_GOTO (this->name, buf_data, unwind); - reply_dict = get_new_dict(); - GF_VALIDATE_OR_GOTO (this->name, reply_dict, unwind); - - buf_data->data = buffer; - buf_data->len = buf_len; - dict_set (reply_dict, NULL, buf_data); - frame->root->rsp_refs = dict_ref (reply_dict); - vector[0].iov_base = buffer; - vector[0].iov_len = buf_len; - vec_count = 1; - } - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_SETDENTS, - hdr, hdrlen, vector, vec_count, - frame->root->rsp_refs); - - return ret; -unwind: - STACK_UNWIND (frame, op_ret, op_errno); - return 0; -} - - -/* - * CBKs - */ -/* - * client_forget - forget function for client protocol - * @this: - * @inode: - * - * not for external reference - */ -int32_t -client_forget (xlator_t *this, - inode_t *inode) -{ - ino_t ino = 0; - client_conf_t *conf = NULL; - client_forget_t forget = {0,}; - uint8_t send_forget = 0; - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO ("client", this, out); - conf = this->private; - - if (conf->child) { - /* */ - /* Yenu beda */ - return 0; - } - - GF_VALIDATE_OR_GOTO (this->name, inode, out); - ino = this_ino_get_from_inode (inode, this); - - LOCK (&conf->forget.lock); - { - conf->forget.ino_array[conf->forget.count++] = ino; - - if ((!conf->forget.frames_in_transit) || - (conf->forget.count >= CLIENT_PROTO_FORGET_LIMIT)) { - ret = client_get_forgets (this, &forget); - if (ret <= 0) - send_forget = 0; - else - send_forget = 1; - } - } - UNLOCK (&conf->forget.lock); - - if (send_forget) { - ret = protocol_client_xfer (forget.frame, this, - CLIENT_CHANNEL (this,CHANNEL_BULK), - GF_OP_TYPE_CBK_REQUEST, - GF_CBK_FORGET, - forget.hdr, forget.hdrlen, - NULL, 0, NULL); - } -out: - return 0; -} - -/** - * client_releasedir - releasedir function for client protocol - * @this: this translator structure - * @fd: file descriptor structure - * - * external reference through client_protocol_xlator->cbks->releasedir - */ - -int32_t -client_releasedir (xlator_t *this, fd_t *fd) -{ - call_frame_t *fr = NULL; - int32_t ret = -1; - int64_t remote_fd = 0; - char key[32] = {0,}; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - gf_cbk_releasedir_req_t *req = NULL; - client_conf_t *conf = NULL; - - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - conf = this->private; - if (conf->child) { - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1){ - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd.", - fd->inode->ino); - goto out; - } - - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, out); - - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - - { - sprintf (key, "%p", fd); - - pthread_mutex_lock (&conf->mutex); - { - dict_del (conf->saved_fds, key); - } - pthread_mutex_unlock (&conf->mutex); - } - - fr = create_frame (this, this->ctx->pool); - GF_VALIDATE_OR_GOTO (this->name, fr, out); - - ret = protocol_client_xfer (fr, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_CBK_REQUEST, GF_CBK_RELEASEDIR, - hdr, hdrlen, NULL, 0, NULL); -out: - return ret; -} - - -/** - * 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) -{ - call_frame_t *fr = NULL; - int32_t ret = -1; - int64_t remote_fd = 0; - char key[32] = {0,}; - gf_hdr_common_t *hdr = NULL; - size_t hdrlen = 0; - gf_cbk_release_req_t *req = NULL; - client_conf_t *conf = NULL; - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, fd, out); - - conf = this->private; - - if (conf->child) { - return 0; - } - - ret = this_fd_get (fd, this, &remote_fd); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "(%"PRId64"): failed to get remote fd.", - fd->inode->ino); - goto out; - } - - hdrlen = gf_hdr_len (req, 0); - hdr = gf_hdr_new (req, 0); - GF_VALIDATE_OR_GOTO (this->name, hdr, out); - req = gf_param (hdr); - - req->fd = hton64 (remote_fd); - - { - sprintf (key, "%p", fd); - - pthread_mutex_lock (&conf->mutex); - { - dict_del (conf->saved_fds, key); - } - pthread_mutex_unlock (&conf->mutex); - } - - fr = create_frame (this, this->ctx->pool); - GF_VALIDATE_OR_GOTO (this->name, fr, out); - - ret = protocol_client_xfer (fr, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_CBK_REQUEST, GF_CBK_RELEASE, - hdr, hdrlen, NULL, 0, NULL); -out: - return ret; -} - -/* - * MGMT_OPS - */ - -/** - * client_stats - stats function for client protocol - * @frame: call frame - * @this: this translator structure - * @flags: - * - * external reference through client_protocol_xlator->mops->stats - */ - -int32_t -client_stats (call_frame_t *frame, - xlator_t *this, - int32_t flags) -{ - gf_hdr_common_t *hdr = NULL; - gf_mop_stats_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - client_conf_t *conf = NULL; - - GF_VALIDATE_OR_GOTO ("client", this, unwind); - - conf = this->private; - if (conf->child) { - /* */ - STACK_WIND (frame, - default_stats_cbk, - conf->child, - conf->child->mops->stats, - flags); - - return 0; - } - - - 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->flags = hton32 (flags); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_MOP_REQUEST, GF_MOP_STATS, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -unwind: - STACK_UNWIND (frame, -1, EINVAL, NULL); - return 0; -} - - -/* Callbacks */ - -int32_t -client_fxattrop_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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_ERROR, - "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) - free (dictbuf); - - if (dict) - dict_unref (dict); - - return 0; -} - -int32_t -client_xattrop_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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_ERROR, - "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) - free (dictbuf); - if (dict) - dict_unref (dict); - - return 0; -} - -/* - * client_chown_cbk - - * - * @frame: - * @args: - * - * not for external reference - */ -int32_t -client_fchown_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_fchown_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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - - -/* - * client_fchmod_cbk - * - * @frame: - * @args: - * - * not for external reference - */ -int32_t -client_fchmod_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_fchmod_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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - 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, - char *buf, size_t buflen) -{ - 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 stat stbuf = {0, }; - int64_t remote_fd = 0; - char key[32] = {0, }; - int32_t ret = -1; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - - - 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_stat (&rsp->stat, &stbuf); - } - - if (op_ret >= 0) { - this_ino_set (&local->loc, frame->this, stbuf.st_ino); - this_fd_set (fd, frame->this, &local->loc, remote_fd); - - sprintf (key, "%p", fd); - - pthread_mutex_lock (&conf->mutex); - { - ret = dict_set_str (conf->saved_fds, key, ""); - } - pthread_mutex_unlock (&conf->mutex); - - if (ret < 0) { - free (key); - gf_log (frame->this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to save remote fd", - local->loc.path, stbuf.st_ino); - } - } - - STACK_UNWIND (frame, op_ret, op_errno, fd, inode, &stbuf); - - client_local_wipe (local); - - return 0; -} - - -/* - * client_open_cbk - open callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_open_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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; - char key[32] = {0,}; - int32_t ret = -1; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - - - local = frame->local; 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) { - this_fd_set (fd, frame->this, &local->loc, remote_fd); - - sprintf (key, "%p", fd); - - pthread_mutex_lock (&conf->mutex); - { - ret = dict_set_str (conf->saved_fds, key, ""); - } - pthread_mutex_unlock (&conf->mutex); - - if (ret < 0) { - gf_log (frame->this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to save remote fd", - local->loc.path, local->loc.inode->ino); - free (key); - } - - } - - 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, - char *buf, size_t buflen) -{ - struct stat 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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - -/* - * client_utimens_cbk - utimens callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int32_t -client_utimens_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_utimens_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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - -/* - * client_chmod_cbk - chmod for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_chmod_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_chmod_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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - -/* - * client_chown_cbk - chown for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_chown_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_chown_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_stat (&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 - */ -int32_t -client_mknod_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_mknod_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct stat stbuf = {0, }; - inode_t *inode = NULL; - client_local_t *local = NULL; - - 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_stat (&rsp->stat, &stbuf); - this_ino_set (&local->loc, frame->this, stbuf.st_ino); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf); - - client_local_wipe (local); - - return 0; -} - -/* - * client_symlink_cbk - symlink callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_symlink_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_symlink_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct stat stbuf = {0, }; - inode_t *inode = NULL; - client_local_t *local = NULL; - - 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_stat (&rsp->stat, &stbuf); - this_ino_set (&local->loc, frame->this, stbuf.st_ino); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf); - - client_local_wipe (local); - - return 0; -} - -/* - * client_link_cbk - link callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_link_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_link_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct stat stbuf = {0, }; - inode_t *inode = NULL; - client_local_t *local = NULL; - - 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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf); - - client_local_wipe (local); - - return 0; -} - -/* - * client_truncate_cbk - truncate callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int32_t -client_truncate_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_truncate_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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - -/* client_fstat_cbk - fstat callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int32_t -client_fstat_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat 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_stat (&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 - */ -int32_t -client_ftruncate_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_ftruncate_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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - -/* client_readv_cbk - readv callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external referece - */ - -int32_t -client_readv_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_read_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct iovec vector = {0, }; - struct stat stbuf = {0, }; - dict_t *refs = 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) { - gf_stat_to_stat (&rsp->stat, &stbuf); - vector.iov_base = buf; - vector.iov_len = buflen; - - refs = get_new_dict (); - dict_set (refs, NULL, data_from_dynptr (buf, 0)); - frame->root->rsp_refs = dict_ref (refs); - } - - STACK_UNWIND (frame, op_ret, op_errno, &vector, 1, &stbuf); - - if (refs) - dict_unref (refs); - - return 0; -} - -/* - * client_write_cbk - write callback for client protocol - * @frame: cal frame - * @args: argument dictionary - * - * not for external reference - */ - -int32_t -client_write_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_write_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct stat 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) - gf_stat_to_stat (&rsp->stat, &stbuf); - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - - -int32_t -client_readdir_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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 - */ -int32_t -client_fsync_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {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)); - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - - -/* - * client_unlink_cbk - unlink callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_unlink_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_unlink_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_rename_cbk - rename callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_rename_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {0, }; - gf_fop_rename_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_stat (&rsp->stat, &stbuf); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stbuf); - - return 0; -} - - -/* - * client_readlink_cbk - readlink callback for client protocol - * - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_readlink_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_readlink_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - char *link = 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) { - link = rsp->path; - } - - STACK_UNWIND (frame, op_ret, op_errno, link); - return 0; -} - -/* - * client_mkdir_cbk - mkdir callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_mkdir_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_mkdir_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - struct stat stbuf = {0, }; - inode_t *inode = NULL; - client_local_t *local = NULL; - - 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_stat (&rsp->stat, &stbuf); - this_ino_set (&local->loc, frame->this, stbuf.st_ino); - } - - STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf); - - client_local_wipe (local); - - return 0; -} - -/* - * client_flush_cbk - flush callback for client protocol - * - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int32_t -client_flush_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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, - char *buf, size_t buflen) -{ - 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; - char key[32] = {0,}; - int32_t ret = -1; - client_local_t *local = NULL; - client_conf_t *conf = NULL; - - - local = frame->local; 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) { - this_fd_set (fd, frame->this, &local->loc, remote_fd); - - sprintf (key, "%p", fd); - - pthread_mutex_lock (&conf->mutex); - { - ret = dict_set_str (conf->saved_fds, key, ""); - } - pthread_mutex_unlock (&conf->mutex); - - if (ret < 0) { - free (key); - gf_log (frame->this->name, GF_LOG_ERROR, - "%s (%"PRId64"): failed to save remote fd", - local->loc.path, local->loc.inode->ino); - } - } - - 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, - char *buf, size_t buflen) -{ - gf_fop_rmdir_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_access_cbk - access callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_access_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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 - */ -int32_t -client_lookup_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct stat stbuf = {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; - - local = frame->local; - inode = local->loc.inode; - frame->local = NULL; - - rsp = gf_param (hdr); - - op_ret = ntoh32 (hdr->rsp.op_ret); - - if (op_ret == 0) { - op_ret = -1; - gf_stat_to_stat (&rsp->stat, &stbuf); - this_ino_set (&local->loc, frame->this, stbuf.st_ino); - - 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_ERROR, - "%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); - - client_local_wipe (local); - - if (dictbuf) - free (dictbuf); - - if (xattr) - dict_unref (xattr); - - return 0; -} - -static dir_entry_t * -gf_bin_to_direntry (char *buf, size_t count) -{ - int32_t idx = 0, bread = 0; - size_t rcount = 0; - char *ender = NULL, *buffer = NULL; - char tmp_buf[512] = {0,}; - dir_entry_t *trav = NULL, *prev = NULL; - dir_entry_t *thead = NULL, *head = NULL; - - thead = CALLOC (1, sizeof (dir_entry_t)); - GF_VALIDATE_OR_GOTO("client-protocol", thead, fail); - - buffer = buf; - prev = thead; - - for (idx = 0; idx < count ; idx++) { - bread = 0; - trav = CALLOC (1, sizeof (dir_entry_t)); - GF_VALIDATE_OR_GOTO("client-protocol", trav, fail); - - ender = strchr (buffer, '/'); - if (!ender) - break; - rcount = ender - buffer; - trav->name = CALLOC (1, rcount + 2); - GF_VALIDATE_OR_GOTO("client-protocol", trav->name, fail); - - strncpy (trav->name, buffer, rcount); - bread = rcount + 1; - buffer += bread; - - ender = strchr (buffer, '\n'); - if (!ender) - break; - rcount = ender - buffer; - strncpy (tmp_buf, buffer, rcount); - bread = rcount + 1; - buffer += bread; - - gf_string_to_stat (tmp_buf, &trav->buf); - - ender = strchr (buffer, '\n'); - if (!ender) - break; - rcount = ender - buffer; - *ender = '\0'; - if (S_ISLNK (trav->buf.st_mode)) - trav->link = strdup (buffer); - else - trav->link = ""; - - bread = rcount + 1; - buffer += bread; - - prev->next = trav; - prev = trav; - } - - head = thead; -fail: - return head; -} - -int32_t -gf_free_direntry(dir_entry_t *head) -{ - dir_entry_t *prev = NULL, *trav = NULL; - - prev = head; - GF_VALIDATE_OR_GOTO("client-protocol", prev, fail); - - trav = head->next; - while (trav) { - prev->next = trav->next; - FREE (trav->name); - if (S_ISLNK (trav->buf.st_mode)) - FREE (trav->link); - FREE (trav); - trav = prev->next; - } - FREE (head); -fail: - return 0; -} -/* - * client_getdents_cbk - readdir callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_getdents_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_getdents_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - int32_t gf_errno = 0; - int32_t nr_count = 0; - dir_entry_t *entry = 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) { - nr_count = ntoh32 (rsp->count); - entry = gf_bin_to_direntry(buf, nr_count); - if (entry == NULL) { - op_ret = -1; - op_errno = EINVAL; - } - } - - STACK_UNWIND (frame, op_ret, op_errno, entry, nr_count); - - if (op_ret >= 0) { - /* Free the buffer */ - FREE (buf); - gf_free_direntry(entry); - } - - return 0; -} - -/* - * client_statfs_cbk - statfs callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ -int32_t -client_statfs_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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 - */ -int32_t -client_fsyncdir_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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 - */ -int32_t -client_setxattr_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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 - */ -int32_t -client_getxattr_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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_ERROR, - "%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) - 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 - */ -int32_t -client_removexattr_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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 - */ -int32_t -client_lk_common_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct 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 - */ -int32_t -client_inodelk_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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; -} - - -int32_t -client_finodelk_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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 - */ -int32_t -client_entrylk_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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; -} - -int32_t -client_fentrylk_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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_writedir_cbk - - * - * @frame: - * @args: - * - * not for external reference - */ -int32_t -client_setdents_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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_stats_cbk - stats callback for client protocol - * - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int32_t -client_stats_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - struct xlator_stats stats = {0,}; - gf_mop_stats_rsp_t *rsp = NULL; - char *buffer = 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) - { - buffer = rsp->buf; - - sscanf (buffer, "%"SCNx64",%"SCNx64",%"SCNx64",%"SCNx64 - ",%"SCNx64",%"SCNx64",%"SCNx64",%"SCNx64"\n", - &stats.nr_files, - &stats.disk_usage, - &stats.free_disk, - &stats.total_disk_size, - &stats.read_usage, - &stats.write_usage, - &stats.disk_speed, - &stats.nr_clients); - } - - STACK_UNWIND (frame, op_ret, op_errno, &stats); - 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 - */ -int32_t -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) - 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 - */ - -int32_t -client_getspec_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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; -} - -int32_t -client_checksum (call_frame_t *frame, - xlator_t *this, - loc_t *loc, - int32_t flag) -{ - gf_hdr_common_t *hdr = NULL; - gf_fop_checksum_req_t *req = NULL; - size_t hdrlen = -1; - int ret = -1; - client_conf_t *conf = this->private; - ino_t ino = 0; - - if (conf->child) { - STACK_WIND (frame, - default_checksum_cbk, - conf->child, - conf->child->fops->checksum, - loc, - flag); - - return 0; - } - - hdrlen = gf_hdr_len (req, strlen (loc->path) + 1); - hdr = gf_hdr_new (req, strlen (loc->path) + 1); - req = gf_param (hdr); - - ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF); - req->ino = hton64 (ino); - req->flag = hton32 (flag); - strcpy (req->path, loc->path); - - ret = protocol_client_xfer (frame, this, - CLIENT_CHANNEL (this, CHANNEL_BULK), - GF_OP_TYPE_FOP_REQUEST, GF_FOP_CHECKSUM, - hdr, hdrlen, NULL, 0, NULL); - - return ret; -} - -int32_t -client_checksum_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - gf_fop_checksum_rsp_t *rsp = NULL; - int32_t op_ret = 0; - int32_t op_errno = 0; - int32_t gf_errno = 0; - unsigned char *fchecksum = NULL; - unsigned char *dchecksum = 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) { - fchecksum = rsp->fchecksum; - dchecksum = rsp->dchecksum + ZR_FILENAME_MAX; - } - - STACK_UNWIND (frame, op_ret, op_errno, fchecksum, dchecksum); - return 0; -} - - -/* - * client_setspec_cbk - setspec callback for client protocol - * @frame: call frame - * @args: argument dictionary - * - * not for external reference - */ - -int32_t -client_setspec_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - 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_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, - char *buf, size_t buflen) -{ - gf_mop_setvolume_rsp_t *rsp = NULL; - client_connection_t *conn = NULL; - client_conf_t *conf = 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; - - - trans = frame->local; frame->local = NULL; - this = frame->this; - conf = this->private; - conn = trans->xl_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) && (op_errno == ENOTCONN)) { - gf_log (this->name, GF_LOG_ERROR, - "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_ERROR, - "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_ERROR, - "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) { - parent->xlator->notify (parent->xlator, - GF_EVENT_VOLFILE_MODIFIED, - trans->xl); - parent = parent->next; - } - } - - } else { - ctx = get_global_ctx_ptr (); - if (process_uuid && !strcmp (ctx->process_uuid,process_uuid)) { - ret = dict_get_str (this->options, "remote-subvolume", - &remote_subvol); - if (!remote_subvol) - goto out; - - gf_log (this->name, GF_LOG_WARNING, - "attaching to the local volume '%s'", - remote_subvol); - - /* TODO: */ - conf->child = xlator_search_by_name (this, - remote_subvol); - } - gf_log (trans->xl->name, GF_LOG_INFO, - "connection and handshake succeeded"); - - pthread_mutex_lock (&(conn->lock)); - { - conn->connected = 1; - } - pthread_mutex_unlock (&(conn->lock)); - - parent = trans->xl->parents; - while (parent) { - parent->xlator->notify (parent->xlator, - GF_EVENT_CHILD_UP, - trans->xl); - parent = parent->next; - } - } - -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) { - parent->xlator->notify (parent->xlator, - GF_EVENT_CHILD_CONNECTING, - trans->xl); - parent = parent->next; - } - } - - 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, - char *buf, size_t buflen) -{ - 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}; - - 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_DEBUG, - "attempting reconnect"); - 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_DEBUG, - "breaking reconnect chain"); - } - } - pthread_mutex_unlock (&conn->lock); -} - -/* - * 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_DEBUG, - "cleaning up state in transport object %p", trans); - - pthread_mutex_lock (&conn->lock); - { - saved_frames = conn->saved_frames; - conn->saved_frames = saved_frames_new (); - -/* - trav = conn->saved_fds->members_list; - this = trans->xl; - - while (trav) { - fd_t *fd_tmp = (fd_t *)(long) strtoul (trav->key, - NULL, 0); - fd_ctx_del (fd_tmp, this, NULL); - trav = trav->next; - } - - dict_destroy (conn->saved_fds); - - conn->saved_fds = get_new_dict_full (64); -*/ - /* bailout logic cleanup */ - memset (&(conn->last_sent), 0, - sizeof (conn->last_sent)); - - memset (&(conn->last_received), 0, - sizeof (conn->last_received)); - - 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); - - 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, - char *buf, size_t buflen) -{ - STACK_DESTROY (frame->root); - return 0; -} - - -int -client_release_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - STACK_DESTROY (frame->root); - return 0; -} - - -int -client_forget_cbk (call_frame_t *frame, - gf_hdr_common_t *hdr, size_t hdrlen, - char *buf, size_t buflen) -{ - client_conf_t *conf = NULL; - client_forget_t forget = {0, }; - uint8_t send_forget = 0; - int32_t ret = -1; - - - conf = frame->this->private; - LOCK (&conf->forget.lock); - { - conf->forget.frames_in_transit--; - - ret = client_get_forgets (frame->this, &forget); - if (ret <= 0) - send_forget = 0; - else - send_forget = 1; - } - UNLOCK (&conf->forget.lock); - - if (send_forget) { - ret = protocol_client_xfer (forget.frame, frame->this, - CLIENT_CHANNEL (frame->this, - CHANNEL_BULK), - GF_OP_TYPE_CBK_REQUEST, - GF_CBK_FORGET, - forget.hdr, forget.hdrlen, - NULL, 0, NULL); - } - - STACK_DESTROY (frame->root); - return 0; -} - - -static gf_op_t gf_fops[] = { - [GF_FOP_STAT] = client_stat_cbk, - [GF_FOP_READLINK] = client_readlink_cbk, - [GF_FOP_MKNOD] = client_mknod_cbk, - [GF_FOP_MKDIR] = client_mkdir_cbk, - [GF_FOP_UNLINK] = client_unlink_cbk, - [GF_FOP_RMDIR] = client_rmdir_cbk, - [GF_FOP_SYMLINK] = client_symlink_cbk, - [GF_FOP_RENAME] = client_rename_cbk, - [GF_FOP_LINK] = client_link_cbk, - [GF_FOP_CHMOD] = client_chmod_cbk, - [GF_FOP_CHOWN] = client_chown_cbk, - [GF_FOP_TRUNCATE] = client_truncate_cbk, - [GF_FOP_OPEN] = client_open_cbk, - [GF_FOP_READ] = client_readv_cbk, - [GF_FOP_WRITE] = client_write_cbk, - [GF_FOP_STATFS] = client_statfs_cbk, - [GF_FOP_FLUSH] = client_flush_cbk, - [GF_FOP_FSYNC] = client_fsync_cbk, - [GF_FOP_SETXATTR] = client_setxattr_cbk, - [GF_FOP_GETXATTR] = client_getxattr_cbk, - [GF_FOP_REMOVEXATTR] = client_removexattr_cbk, - [GF_FOP_OPENDIR] = client_opendir_cbk, - [GF_FOP_GETDENTS] = client_getdents_cbk, - [GF_FOP_FSYNCDIR] = client_fsyncdir_cbk, - [GF_FOP_ACCESS] = client_access_cbk, - [GF_FOP_CREATE] = client_create_cbk, - [GF_FOP_FTRUNCATE] = client_ftruncate_cbk, - [GF_FOP_FSTAT] = client_fstat_cbk, - [GF_FOP_LK] = client_lk_common_cbk, - [GF_FOP_UTIMENS] = client_utimens_cbk, - [GF_FOP_FCHMOD] = client_fchmod_cbk, - [GF_FOP_FCHOWN] = client_fchown_cbk, - [GF_FOP_LOOKUP] = client_lookup_cbk, - [GF_FOP_SETDENTS] = client_setdents_cbk, - [GF_FOP_READDIR] = client_readdir_cbk, - [GF_FOP_INODELK] = client_inodelk_cbk, - [GF_FOP_FINODELK] = client_finodelk_cbk, - [GF_FOP_ENTRYLK] = client_entrylk_cbk, - [GF_FOP_FENTRYLK] = client_fentrylk_cbk, - [GF_FOP_CHECKSUM] = client_checksum_cbk, - [GF_FOP_XATTROP] = client_xattrop_cbk, - [GF_FOP_FXATTROP] = client_fxattrop_cbk, -}; - -static gf_op_t gf_mops[] = { - [GF_MOP_SETVOLUME] = client_setvolume_cbk, - [GF_MOP_GETVOLUME] = client_enosys_cbk, - [GF_MOP_STATS] = client_stats_cbk, - [GF_MOP_SETSPEC] = client_setspec_cbk, - [GF_MOP_GETSPEC] = client_getspec_cbk, - [GF_MOP_PING] = client_ping_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, - char *buf_p, size_t buflen) -{ - 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_ERROR, - "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_FOP_MAXVALUE) || - (op < 0)) { - gf_log (trans->xl->name, GF_LOG_WARNING, - "invalid fop '%d'", op); - } else { - ret = gf_fops[op] (frame, hdr, hdrlen, buf_p, buflen); - } - 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, buf_p, buflen); - } - 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, buf_p, buflen); - } - break; - default: - gf_log (trans->xl->name, GF_LOG_ERROR, - "invalid packet type: %d", type); - break; - } - - return ret; -} - -/* - * init - initiliazation function. called during loading of client protocol - * @this: - * - */ -int32_t -init (xlator_t *this) -{ - transport_t *trans = NULL; - client_conf_t *conf = NULL; - client_connection_t *conn = NULL; - int32_t transport_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 " - "subvolumes"); - goto out; - } - - if (!this->parents) { - gf_log (this->name, GF_LOG_WARNING, - "dangling volume. check volfile "); - } - - remote_subvolume = dict_get (this->options, "remote-subvolume"); - if (remote_subvolume == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "missing 'option remote-subvolume'."); - goto out; - } - - ret = dict_get_int32 (this->options, "transport-timeout", - &transport_timeout); - if (ret >= 0) { - gf_log (this->name, GF_LOG_DEBUG, - "setting transport-timeout to %d", transport_timeout); - } else { - gf_log (this->name, GF_LOG_DEBUG, - "defaulting transport-timeout to 600"); - transport_timeout = 600; - } - - 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 10"); - ping_timeout = 10; - } - - conf = CALLOC (1, sizeof (client_conf_t)); - - LOCK_INIT (&conf->forget.lock); - pthread_mutex_init (&conf->mutex, NULL); - conf->saved_fds = get_new_dict_full (64); - - this->private = conf; - - for (i = 0; i < CHANNEL_MAX; i++) { - trans = transport_load (this->options, this); - if (trans == NULL) { - gf_log (this->name, GF_LOG_ERROR, - "Failed to load transport"); - ret = -1; - goto out; - } - - conn = CALLOC (1, sizeof (*conn)); - - conn->saved_frames = saved_frames_new (); - - conn->callid = 1; - - memset (&(conn->last_sent), 0, sizeof (conn->last_sent)); - memset (&(conn->last_received), 0, - sizeof (conn->last_received)); - - conn->transport_timeout = transport_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_ERROR, - "Failed to set max open fd to 64k: %s", - strerror(errno)); - } else { - gf_log (this->name, GF_LOG_ERROR, - "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) { - LOCK_DESTROY (&conf->forget.lock); - 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, "version", PACKAGE_VERSION); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to set version(%s) in options dictionary", - PACKAGE_VERSION); - } - - asprintf (&process_uuid_xl, "%s-%s", this->ctx->process_uuid, - this->name); - ret = dict_set_dynstr (options, "process-uuid", - process_uuid_xl); - if (ret < 0) { - gf_log (this->name, GF_LOG_ERROR, - "failed to set process-uuid(%s) in options dictionary", - PACKAGE_VERSION); - } - - 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->ctx->volfile_checksum); - } - - dict_len = dict_serialized_length (options); - if (dict_len < 0) { - gf_log (this->name, GF_LOG_ERROR, - "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_ERROR, - "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) - free (hdr); - return ret; -} - - -int -protocol_client_pollout (xlator_t *this, transport_t *trans) -{ - client_connection_t *conn = NULL; - - conn = trans->xl_private; - - pthread_mutex_lock (&conn->lock); - { - gettimeofday (&conn->last_sent, NULL); - } - pthread_mutex_unlock (&conn->lock); - - return 0; -} - - -int -protocol_client_pollin (xlator_t *this, transport_t *trans) -{ - client_connection_t *conn = NULL; - int ret = -1; - char *buf = NULL; - size_t buflen = 0; - char *hdr = NULL; - size_t hdrlen = 0; - int connected = 0; - - conn = trans->xl_private; - - pthread_mutex_lock (&conn->lock); - { - gettimeofday (&conn->last_received, NULL); - connected = conn->connected; - } - pthread_mutex_unlock (&conn->lock); - - ret = transport_receive (trans, &hdr, &hdrlen, &buf, &buflen); - - if (ret == 0) - { - ret = protocol_client_interpret (this, trans, hdr, hdrlen, - buf, buflen); - } - - /* TODO: use mem-pool */ - FREE (hdr); - - return ret; -} - - -/* - * client_protocol_notify - notify function for client protocol - * @this: - * @trans: transport object - * @event - * - */ - -int32_t -notify (xlator_t *this, - int32_t event, - void *data, - ...) -{ - int ret = -1; - transport_t *trans = NULL; - client_connection_t *conn = NULL; - - 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); - } - - conn = trans->xl_private; - if (conn->connected) { - xlator_list_t *parent = NULL; - - gf_log (this->name, GF_LOG_INFO, "disconnected"); - - parent = this->parents; - while (parent) { - parent->xlator->notify (parent->xlator, - GF_EVENT_CHILD_DOWN, - this); - parent = parent->next; - } - - conn->connected = 0; - if (conn->reconnect == 0) - client_protocol_reconnect (trans); - } - 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, - .chmod = client_chmod, - .chown = client_chown, - .truncate = client_truncate, - .utimens = client_utimens, - .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, - .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, - .fchmod = client_fchmod, - .fchown = client_fchown, - .setdents = client_setdents, - .getdents = client_getdents, - .checksum = client_checksum, - .xattrop = client_xattrop, - .fxattrop = client_fxattrop, -}; - -struct xlator_mops mops = { - .stats = client_stats, - .getspec = client_getspec, -}; - -struct xlator_cbks cbks = { - .forget = client_forget, - .release = client_release, - .releasedir = client_releasedir -}; - - -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_ANY - }, - { .key = {"remote-subvolume"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport-timeout"}, - .type = GF_OPTION_TYPE_TIME, - .min = 5, - .max = 1013, - }, - { .key = {"ping-timeout"}, - .type = GF_OPTION_TYPE_TIME, - .min = 5, - .max = 1013, - }, - { .key = {NULL} }, -}; |