diff options
| author | Vijay Bellur <vijay@gluster.com> | 2010-06-28 02:49:46 +0000 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2010-06-28 22:20:45 -0700 |
| commit | 0da2a6d08cc8fc2315742d010c8a8cab38ef75bb (patch) | |
| tree | eed93284ad3826ac7401c9f9540b6afe9a68c2cc /xlators/protocol | |
| parent | 2c5c3cedc096c36ef9d004ffa0cdb5324d2915e6 (diff) | |
Move rpc to top-level
Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
Diffstat (limited to 'xlators/protocol')
30 files changed, 6 insertions, 10322 deletions
diff --git a/xlators/protocol/Makefile.am b/xlators/protocol/Makefile.am index b38506d47..17c9a8313 100644 --- a/xlators/protocol/Makefile.am +++ b/xlators/protocol/Makefile.am @@ -1 +1 @@ -SUBDIRS = lib auth legacy rpc client server +SUBDIRS = lib auth legacy client server diff --git a/xlators/protocol/client/src/Makefile.am b/xlators/protocol/client/src/Makefile.am index 1051368a2..7811e088a 100644 --- a/xlators/protocol/client/src/Makefile.am +++ b/xlators/protocol/client/src/Makefile.am @@ -5,7 +5,7 @@ xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/protocol client_la_LDFLAGS = -module -avoidversion client_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \ - $(top_builddir)/xlators/protocol/rpc/rpc-lib/src/libgfrpc.la \ + $(top_builddir)/rpc/rpc-lib/src/libgfrpc.la \ $(top_builddir)/xlators/protocol/lib/src/libgfproto1.la client_la_SOURCES = client.c client-helpers.c client3_1-fops.c client-handshake.c @@ -13,4 +13,4 @@ noinst_HEADERS = client.h client-mem-types.h AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS) \ -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) \ - -I$(top_srcdir)/xlators/protocol/lib/src -I$(top_srcdir)/xlators/protocol/rpc/rpc-lib/src/ + -I$(top_srcdir)/xlators/protocol/lib/src -I$(top_srcdir)/rpc/rpc-lib/src/ diff --git a/xlators/protocol/lib/src/Makefile.am b/xlators/protocol/lib/src/Makefile.am index 98cf44d09..be59aa666 100644 --- a/xlators/protocol/lib/src/Makefile.am +++ b/xlators/protocol/lib/src/Makefile.am @@ -6,7 +6,7 @@ libgfproto1_la_CPPFLAGS = -D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64 -D_GNU_SO -D$(GF_HOST_OS) -DLIBDIR=\"$(libdir)/glusterfs/$(PACKAGE_VERSION)/auth\" \ -DTRANSPORTDIR=\"$(libdir)/glusterfs/$(PACKAGE_VERSION)/transport\" \ -I$(CONTRIBDIR)/rbtree -I$(top_srcdir)/libglusterfs/src/ \ - -I$(top_srcdir)/xlators/protocol/rpc/rpc-lib/src/ + -I$(top_srcdir)/rpc/rpc-lib/src/ libgfproto1_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la diff --git a/xlators/protocol/rpc/Makefile.am b/xlators/protocol/rpc/Makefile.am deleted file mode 100644 index bd435fa6d..000000000 --- a/xlators/protocol/rpc/Makefile.am +++ /dev/null @@ -1 +0,0 @@ -SUBDIRS = rpc-lib rpc-transport diff --git a/xlators/protocol/rpc/rpc-lib/Makefile.am b/xlators/protocol/rpc/rpc-lib/Makefile.am deleted file mode 100644 index af437a64d..000000000 --- a/xlators/protocol/rpc/rpc-lib/Makefile.am +++ /dev/null @@ -1 +0,0 @@ -SUBDIRS = src diff --git a/xlators/protocol/rpc/rpc-lib/src/Makefile.am b/xlators/protocol/rpc/rpc-lib/src/Makefile.am deleted file mode 100644 index 4df8888a0..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/Makefile.am +++ /dev/null @@ -1,15 +0,0 @@ -lib_LTLIBRARIES = libgfrpc.la -libgfrpc_la_LDFLAGS = -module -avoidversion - -libgfrpc_la_SOURCES = auth-unix.c rpcsvc-auth.c rpcsvc.c auth-null.c \ - rpc-transport.c xdr-rpc.c xdr-rpcclnt.c rpc-clnt.c auth-glusterfs.c -libgfrpc_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la - -noinst_HEADERS = rpcsvc.h rpc-transport.h xdr-common.h xdr-rpc.h xdr-rpcclnt.h \ - rpc-clnt.h rpcsvc-common.h -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS)\ - -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) \ - -I$(top_srcdir)/xlators/protocol/lib/src \ - -DRPC_TRANSPORTDIR=\"$(libdir)/glusterfs/$(PACKAGE_VERSION)/rpc-transport\" - -CLEANFILES = *~ diff --git a/xlators/protocol/rpc/rpc-lib/src/auth-glusterfs.c b/xlators/protocol/rpc/rpc-lib/src/auth-glusterfs.c deleted file mode 100644 index e248bf142..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/auth-glusterfs.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "rpcsvc.h" -#include "list.h" -#include "dict.h" -#include "xdr-rpc.h" -#include "xdr-common.h" - -bool_t -xdr_auth_glusterfs_parms (XDR *xdrs, auth_glusterfs_parms *objp) -{ - register int32_t *buf; - - int i; - - if (xdrs->x_op == XDR_ENCODE) { - if (!xdr_u_quad_t (xdrs, &objp->lk_owner)) - return FALSE; - buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT); - if (buf == NULL) { - if (!xdr_u_int (xdrs, &objp->pid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->uid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->gid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->ngrps)) - return FALSE; - if (!xdr_vector (xdrs, (char *)objp->groups, 16, - sizeof (u_int), (xdrproc_t) xdr_u_int)) - return FALSE; - } else { - IXDR_PUT_U_LONG(buf, objp->pid); - IXDR_PUT_U_LONG(buf, objp->uid); - IXDR_PUT_U_LONG(buf, objp->gid); - IXDR_PUT_U_LONG(buf, objp->ngrps); - { - register u_int *genp; - - for (i = 0, genp = objp->groups; - i < 16; ++i) { - IXDR_PUT_U_LONG(buf, *genp++); - } - } - } - return TRUE; - } else if (xdrs->x_op == XDR_DECODE) { - if (!xdr_u_quad_t (xdrs, &objp->lk_owner)) - return FALSE; - buf = XDR_INLINE (xdrs, (4 + 16 )* BYTES_PER_XDR_UNIT); - if (buf == NULL) { - if (!xdr_u_int (xdrs, &objp->pid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->uid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->gid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->ngrps)) - return FALSE; - if (!xdr_vector (xdrs, (char *)objp->groups, 16, - sizeof (u_int), (xdrproc_t) xdr_u_int)) - return FALSE; - } else { - objp->pid = IXDR_GET_U_LONG(buf); - objp->uid = IXDR_GET_U_LONG(buf); - objp->gid = IXDR_GET_U_LONG(buf); - objp->ngrps = IXDR_GET_U_LONG(buf); - { - register u_int *genp; - - for (i = 0, genp = objp->groups; - i < 16; ++i) { - *genp++ = IXDR_GET_U_LONG(buf); - } - } - } - return TRUE; - } - - if (!xdr_u_quad_t (xdrs, &objp->lk_owner)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->pid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->uid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->gid)) - return FALSE; - if (!xdr_u_int (xdrs, &objp->ngrps)) - return FALSE; - if (!xdr_vector (xdrs, (char *)objp->groups, 16, - sizeof (u_int), (xdrproc_t) xdr_u_int)) - return FALSE; - return TRUE; -} - -ssize_t -xdr_to_glusterfs_auth (char *buf, struct auth_glusterfs_parms *req) -{ - XDR xdr; - ssize_t ret = -1; - - if ((!buf) || (!req)) - return -1; - - xdrmem_create (&xdr, buf, sizeof (struct auth_glusterfs_parms), - XDR_DECODE); - if (!xdr_auth_glusterfs_parms (&xdr, req)) { - ret = -1; - goto ret; - } - - ret = (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base)); -ret: - return ret; - -} -int -auth_glusterfs_request_init (rpcsvc_request_t *req, void *priv) -{ - if (!req) - return -1; - memset (req->verf.authdata, 0, RPCSVC_MAX_AUTH_BYTES); - req->verf.datalen = 0; - req->verf.flavour = AUTH_NULL; - - return 0; -} - -int auth_glusterfs_authenticate (rpcsvc_request_t *req, void *priv) -{ - int ret = RPCSVC_AUTH_REJECT; - struct auth_glusterfs_parms au = {0,}; - - if (!req) - return ret; - - ret = xdr_to_glusterfs_auth (req->cred.authdata, &au); - if (ret == -1) { - ret = RPCSVC_AUTH_REJECT; - goto err; - } - - req->pid = au.pid; - req->uid = au.uid; - req->gid = au.gid; - req->lk_owner = au.lk_owner; - req->auxgidcount = au.ngrps; - - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth Info: pid: %u, uid: %d" - ", gid: %d, owner: %"PRId64, - req->pid, req->uid, req->gid, req->lk_owner); - ret = RPCSVC_AUTH_ACCEPT; -err: - return ret; -} - -rpcsvc_auth_ops_t auth_glusterfs_ops = { - .conn_init = NULL, - .request_init = auth_glusterfs_request_init, - .authenticate = auth_glusterfs_authenticate -}; - -rpcsvc_auth_t rpcsvc_auth_glusterfs = { - .authname = "AUTH_GLUSTERFS", - .authnum = AUTH_GLUSTERFS, - .authops = &auth_glusterfs_ops, - .authprivate = NULL -}; - - -rpcsvc_auth_t * -rpcsvc_auth_glusterfs_init (rpcsvc_t *svc, dict_t *options) -{ - return &rpcsvc_auth_glusterfs; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/auth-null.c b/xlators/protocol/rpc/rpc-lib/src/auth-null.c deleted file mode 100644 index a2581a171..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/auth-null.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "rpcsvc.h" -#include "list.h" -#include "dict.h" - - -int -auth_null_request_init (rpcsvc_request_t *req, void *priv) -{ - if (!req) - return -1; - - memset (req->cred.authdata, 0, RPCSVC_MAX_AUTH_BYTES); - req->cred.datalen = 0; - - memset (req->verf.authdata, 0, RPCSVC_MAX_AUTH_BYTES); - req->verf.datalen = 0; - - return 0; -} - -int auth_null_authenticate (rpcsvc_request_t *req, void *priv) -{ - /* Always succeed. */ - return RPCSVC_AUTH_ACCEPT; -} - -rpcsvc_auth_ops_t auth_null_ops = { - .conn_init = NULL, - .request_init = auth_null_request_init, - .authenticate = auth_null_authenticate -}; - -rpcsvc_auth_t rpcsvc_auth_null = { - .authname = "AUTH_NULL", - .authnum = AUTH_NULL, - .authops = &auth_null_ops, - .authprivate = NULL -}; - - -rpcsvc_auth_t * -rpcsvc_auth_null_init (rpcsvc_t *svc, dict_t *options) -{ - return &rpcsvc_auth_null; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/auth-unix.c b/xlators/protocol/rpc/rpc-lib/src/auth-unix.c deleted file mode 100644 index aed3c1f9d..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/auth-unix.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "rpcsvc.h" -#include "list.h" -#include "dict.h" -#include "xdr-rpc.h" - - -int -auth_unix_request_init (rpcsvc_request_t *req, void *priv) -{ - if (!req) - return -1; - memset (req->verf.authdata, 0, RPCSVC_MAX_AUTH_BYTES); - req->verf.datalen = 0; - req->verf.flavour = AUTH_NULL; - - return 0; -} - -int auth_unix_authenticate (rpcsvc_request_t *req, void *priv) -{ - int ret = RPCSVC_AUTH_REJECT; - struct authunix_parms aup; - char machname[MAX_MACHINE_NAME]; - - if (!req) - return ret; - - ret = xdr_to_auth_unix_cred (req->cred.authdata, req->cred.datalen, - &aup, machname, req->auxgids); - if (ret == -1) { - ret = RPCSVC_AUTH_REJECT; - goto err; - } - - req->uid = aup.aup_uid; - req->gid = aup.aup_gid; - req->auxgidcount = aup.aup_len; - - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth Info: machine name: %s, uid: %d" - ", gid: %d", machname, req->uid, req->gid); - ret = RPCSVC_AUTH_ACCEPT; -err: - return ret; -} - -rpcsvc_auth_ops_t auth_unix_ops = { - .conn_init = NULL, - .request_init = auth_unix_request_init, - .authenticate = auth_unix_authenticate -}; - -rpcsvc_auth_t rpcsvc_auth_unix = { - .authname = "AUTH_UNIX", - .authnum = AUTH_UNIX, - .authops = &auth_unix_ops, - .authprivate = NULL -}; - - -rpcsvc_auth_t * -rpcsvc_auth_unix_init (rpcsvc_t *svc, dict_t *options) -{ - return &rpcsvc_auth_unix; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/rpc-clnt.c b/xlators/protocol/rpc/rpc-lib/src/rpc-clnt.c deleted file mode 100644 index 84fdb9bb5..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpc-clnt.c +++ /dev/null @@ -1,1283 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "rpc-clnt.h" -#include "xdr-rpcclnt.h" -#include "rpc-transport.h" -#include "protocol-common.h" - -uint64_t -rpc_clnt_new_callid (struct rpc_clnt *clnt) -{ - uint64_t callid = 0; - - pthread_mutex_lock (&clnt->lock); - { - callid = ++clnt->xid; - } - pthread_mutex_unlock (&clnt->lock); - - return callid; -} - - -struct saved_frame * -__saved_frames_get_timedout (struct saved_frames *frames, uint32_t timeout, - struct timeval *current) -{ - struct saved_frame *bailout_frame = NULL, *tmp = NULL; - - if (!list_empty(&frames->sf.list)) { - tmp = list_entry (frames->sf.list.next, typeof (*tmp), list); - if ((tmp->saved_at.tv_sec + timeout) < current->tv_sec) { - bailout_frame = tmp; - list_del_init (&bailout_frame->list); - frames->count--; - } - } - - return bailout_frame; -} - - -struct saved_frame * -__saved_frames_put (struct saved_frames *frames, void *frame, int32_t procnum, - rpc_clnt_prog_t *prog, fop_cbk_fn_t cbk, int64_t callid) -{ - struct saved_frame *saved_frame = NULL; - - saved_frame = GF_CALLOC (1, sizeof (*saved_frame), - gf_common_mt_rpcclnt_savedframe_t); - if (!saved_frame) { - gf_log ("rpc-clnt", GF_LOG_ERROR, "out of memory"); - goto out; - } - /* THIS should be saved and set back */ - - INIT_LIST_HEAD (&saved_frame->list); - - saved_frame->capital_this = THIS; - saved_frame->frame = frame; - saved_frame->procnum = procnum; - saved_frame->callid = callid; - saved_frame->prog = prog; - saved_frame->cbkfn = cbk; - - gettimeofday (&saved_frame->saved_at, NULL); - - list_add_tail (&saved_frame->list, &frames->sf.list); - frames->count++; - -out: - return saved_frame; -} - - -void -saved_frames_delete (struct saved_frame *saved_frame, - rpc_clnt_connection_t *conn) -{ - if (!saved_frame || !conn) { - goto out; - } - - pthread_mutex_lock (&conn->lock); - { - list_del_init (&saved_frame->list); - conn->saved_frames->count--; - } - pthread_mutex_unlock (&conn->lock); - - GF_FREE (saved_frame); -out: - return; -} - - -static void -call_bail (void *data) -{ - struct rpc_clnt *clnt = NULL; - rpc_clnt_connection_t *conn = NULL; - struct timeval current; - struct list_head list; - struct saved_frame *saved_frame = NULL; - struct saved_frame *trav = NULL; - struct saved_frame *tmp = NULL; - struct tm frame_sent_tm; - char frame_sent[32] = {0,}; - struct timeval timeout = {0,}; - gf_timer_cbk_t timer_cbk = NULL; - struct rpc_req req; - struct iovec iov = {0,}; - - GF_VALIDATE_OR_GOTO ("client", data, out); - - clnt = data; - - conn = &clnt->conn; - - gettimeofday (¤t, NULL); - INIT_LIST_HEAD (&list); - - pthread_mutex_lock (&conn->lock); - { - /* Chaining to get call-always functionality from - call-once timer */ - if (conn->timer) { - timer_cbk = conn->timer->callbk; - - timeout.tv_sec = 10; - timeout.tv_usec = 0; - - gf_timer_call_cancel (clnt->ctx, conn->timer); - conn->timer = gf_timer_call_after (clnt->ctx, - timeout, - call_bail, - (void *) clnt); - - if (conn->timer == NULL) { - gf_log (conn->trans->name, GF_LOG_DEBUG, - "Cannot create bailout timer"); - } - } - - do { - saved_frame = - __saved_frames_get_timedout (conn->saved_frames, - conn->frame_timeout, - ¤t); - if (saved_frame) - list_add (&saved_frame->list, &list); - - } while (saved_frame); - } - pthread_mutex_unlock (&conn->lock); - - list_for_each_entry_safe (trav, tmp, &list, list) { - 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 (conn->trans->name, GF_LOG_ERROR, - "bailing out frame type(%s) op(%s(%d)) sent = %s. " - "timeout = %d", - trav->prog->progname, (trav->prog->procnames) ? - trav->prog->procnames[trav->procnum] : "--", - trav->procnum, frame_sent, - conn->frame_timeout); - - trav->cbkfn (&req, &iov, 1, trav->frame); - - list_del_init (&trav->list); - GF_FREE (trav); - } -out: - return; -} - - -/* to be called with conn->lock held */ -struct saved_frame * -__save_frame (struct rpc_clnt *rpc_clnt, call_frame_t *frame, int procnum, - rpc_clnt_prog_t *prog, fop_cbk_fn_t cbk, uint64_t callid) -{ - rpc_clnt_connection_t *conn = NULL; - struct timeval timeout = {0, }; - struct saved_frame *saved_frame = NULL; - - conn = &rpc_clnt->conn; - - saved_frame = __saved_frames_put (conn->saved_frames, frame, - procnum, prog, cbk, callid); - if (saved_frame == NULL) { - goto out; - } - - /* TODO: make timeout configurable */ - if (conn->timer == NULL) { - timeout.tv_sec = 10; - timeout.tv_usec = 0; - conn->timer = gf_timer_call_after (rpc_clnt->ctx, - timeout, - call_bail, - (void *) rpc_clnt); - } - -out: - return saved_frame; -} - - -struct saved_frames * -saved_frames_new (void) -{ - struct saved_frames *saved_frames = NULL; - - saved_frames = GF_CALLOC (1, sizeof (*saved_frames), - gf_common_mt_rpcclnt_savedframe_t); - if (!saved_frames) { - gf_log ("rpc-clnt", GF_LOG_ERROR, "out of memory"); - return NULL; - } - - INIT_LIST_HEAD (&saved_frames->sf.list); - - return saved_frames; -} - - -int -__saved_frame_copy (struct saved_frames *frames, int64_t callid, - struct saved_frame *saved_frame) -{ - struct saved_frame *tmp = NULL; - int ret = -1; - - if (!saved_frame) { - ret = 0; - goto out; - } - - list_for_each_entry (tmp, &frames->sf.list, list) { - if (tmp->callid == callid) { - *saved_frame = *tmp; - ret = 0; - break; - } - } - -out: - return ret; -} - - -struct saved_frame * -__saved_frame_get (struct saved_frames *frames, int64_t callid) -{ - struct saved_frame *saved_frame = NULL; - struct saved_frame *tmp = NULL; - - list_for_each_entry (tmp, &frames->sf.list, list) { - if (tmp->callid == callid) { - list_del_init (&tmp->list); - frames->count--; - saved_frame = tmp; - break; - } - } - - if (saved_frame) { - THIS = saved_frame->capital_this; - } - - return saved_frame; -} - -void -saved_frames_unwind (struct saved_frames *saved_frames) -{ - struct saved_frame *trav = NULL; - struct saved_frame *tmp = NULL; - - struct rpc_req req; - struct iovec iov = {0,}; - - memset (&req, 0, sizeof (req)); - - req.rpc_status = -1; - - list_for_each_entry_safe (trav, tmp, &saved_frames->sf.list, list) { - gf_log ("rpc-clnt", GF_LOG_ERROR, - "forced unwinding frame type(%s) op(%s(%d))", - trav->prog->progname, (trav->prog->procnames) ? - trav->prog->procnames[trav->procnum] : "--", - trav->procnum); - - saved_frames->count--; - - trav->cbkfn (&req, &iov, 1, trav->frame); - - list_del_init (&trav->list); - GF_FREE (trav); - } -} - - -void -saved_frames_destroy (struct saved_frames *frames) -{ - saved_frames_unwind (frames); - - GF_FREE (frames); -} - - -void -rpc_clnt_reconnect (void *trans_ptr) -{ - rpc_transport_t *trans = NULL; - rpc_clnt_connection_t *conn = NULL; - struct timeval tv = {0, 0}; - int32_t ret = 0; - struct rpc_clnt *clnt = NULL; - - trans = trans_ptr; - if (!trans || !trans->mydata) - return; - - conn = trans->mydata; - clnt = conn->rpc_clnt; - - pthread_mutex_lock (&conn->lock); - { - if (conn->reconnect) - gf_timer_call_cancel (clnt->ctx, - conn->reconnect); - conn->reconnect = 0; - - if (conn->connected == 0) { - tv.tv_sec = 3; - - gf_log (trans->name, GF_LOG_TRACE, - "attempting reconnect"); - ret = rpc_transport_connect (trans); - - conn->reconnect = - gf_timer_call_after (clnt->ctx, tv, - rpc_clnt_reconnect, - trans); - } else { - gf_log (trans->name, GF_LOG_TRACE, - "breaking reconnect chain"); - } - } - pthread_mutex_unlock (&conn->lock); - - if ((ret == -1) && (errno != EINPROGRESS) && (clnt->notifyfn)) { - clnt->notifyfn (clnt, clnt->mydata, RPC_CLNT_DISCONNECT, NULL); - } - - return; -} - - -int -rpc_clnt_fill_request_info (struct rpc_clnt *clnt, rpc_request_info_t *info) -{ - struct saved_frame saved_frame = {{}, 0}; - int ret = -1; - - pthread_mutex_lock (&clnt->conn.lock); - { - ret = __saved_frame_copy (clnt->conn.saved_frames, info->xid, - &saved_frame); - } - pthread_mutex_unlock (&clnt->conn.lock); - - if (ret == -1) { - gf_log ("rpc-clnt", GF_LOG_CRITICAL, "cannot lookup the saved " - "frame corresponding to xid (%d)", info->xid); - goto out; - } - - info->prognum = saved_frame.prog->prognum; - info->procnum = saved_frame.procnum; - info->progver = saved_frame.prog->progver; - info->rsp = saved_frame.rsp; - - ret = 0; -out: - return ret; -} - - -/* - * client_protocol_cleanup - cleanup function - * @trans: transport object - * - */ -int -rpc_clnt_connection_cleanup (rpc_clnt_connection_t *conn) -{ - struct saved_frames *saved_frames = NULL; - struct rpc_clnt *clnt = NULL; - - if (!conn) { - goto out; - } - - clnt = conn->rpc_clnt; - - gf_log ("rpc-clnt", GF_LOG_DEBUG, - "cleaning up state in transport object %p", conn->trans); - - pthread_mutex_lock (&conn->lock); - { - saved_frames = conn->saved_frames; - conn->saved_frames = saved_frames_new (); - - /* bailout logic cleanup */ - if (conn->timer) { - gf_timer_call_cancel (clnt->ctx, conn->timer); - conn->timer = NULL; - } - - if (conn->reconnect == NULL) { - /* :O This part is empty.. any thing missing? */ - } - - conn->connected = 0; - } - pthread_mutex_unlock (&conn->lock); - - saved_frames_destroy (saved_frames); - -out: - 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 struct saved_frame * -lookup_frame (rpc_clnt_connection_t *conn, int64_t callid) -{ - struct saved_frame *frame = NULL; - - pthread_mutex_lock (&conn->lock); - { - frame = __saved_frame_get (conn->saved_frames, callid); - } - pthread_mutex_unlock (&conn->lock); - - return frame; -} - - -int -rpc_clnt_reply_fill (rpc_transport_pollin_t *msg, - rpc_clnt_connection_t *conn, - struct rpc_msg *replymsg, struct iovec progmsg, - struct rpc_req *req, struct saved_frame *saved_frame) -{ - int ret = -1; - - if ((!conn) || (!replymsg)|| (!req) || (!saved_frame) || (!msg)) { - goto out; - } - - req->rpc_status = 0; - if ((rpc_reply_status (replymsg) == MSG_DENIED) - || (rpc_accepted_reply_status (replymsg) != SUCCESS)) { - req->rpc_status = -1; - } - - req->xid = rpc_reply_xid (replymsg); - req->prog = saved_frame->prog; - req->procnum = saved_frame->procnum; - req->conn = conn; - - req->rsp[0] = progmsg; - - if (msg->vectored) { - req->rsp[1].iov_base = iobuf_ptr (msg->data.vector.iobuf2); - req->rsp[1].iov_len = msg->data.vector.size2; - - req->rspcnt = 2; - - req->rsp_prochdr = iobuf_ref (msg->data.vector.iobuf1); - req->rsp_procpayload = iobuf_ref (msg->data.vector.iobuf2); - } else { - req->rspcnt = 1; - - req->rsp_prochdr = iobuf_ref (msg->data.simple.iobuf); - } - - /* By this time, the data bytes for the auth scheme would have already - * been copied into the required sections of the req structure, - * we just need to fill in the meta-data about it now. - */ - if (req->rpc_status == 0) { - /* - * req->verf.flavour = rpc_reply_verf_flavour (replymsg); - * req->verf.datalen = rpc_reply_verf_len (replymsg); - */ - } - - ret = 0; - -out: - return ret; -} - - -void -rpc_clnt_reply_deinit (struct rpc_req *req) -{ - if (!req) { - goto out; - } - - if (req->rsp_prochdr) { - iobuf_unref (req->rsp_prochdr); - } - - if (req->rsp_procpayload) { - iobuf_unref (req->rsp_procpayload); - } - -out: - return; -} - - -/* TODO: use mem-pool for allocating requests */ -int -rpc_clnt_reply_init (rpc_clnt_connection_t *conn, rpc_transport_pollin_t *msg, - struct rpc_req *req, struct saved_frame *saved_frame) -{ - char *msgbuf = NULL; - struct rpc_msg rpcmsg; - struct iovec progmsg; /* RPC Program payload */ - size_t msglen = 0; - int ret = -1; - - if (msg->vectored) { - msgbuf = iobuf_ptr (msg->data.vector.iobuf1); - msglen = msg->data.vector.size1; - } else { - msgbuf = iobuf_ptr (msg->data.simple.iobuf); - msglen = msg->data.simple.size; - } - - ret = xdr_to_rpc_reply (msgbuf, msglen, &rpcmsg, &progmsg, - req->verf.authdata); - if (ret != 0) { - gf_log ("rpc-clnt", GF_LOG_ERROR, "RPC reply decoding failed"); - goto out; - } - - ret = rpc_clnt_reply_fill (msg, conn, &rpcmsg, progmsg, req, - saved_frame); - if (ret != 0) { - goto out; - } - - gf_log ("rpc-clnt", GF_LOG_TRACE, "RPC XID: %"PRIx64", Program: %s," - " ProgVers: %d, Proc: %d", saved_frame->callid, - saved_frame->prog->progname, saved_frame->prog->progver, - saved_frame->procnum); -/* TODO: */ - /* TODO: AUTH */ - /* The verifier that is sent in a reply is a string that can be used as - * a shorthand in credentials for future transactions. We can opt not to - * use this shorthand, preffering to use the original AUTH_UNIX method - * for authentication (containing all the details for authentication in - * credential itself). Hence it is not mandatory for us to be checking - * the verifier. See Appendix A of rfc-5531 for more details. - */ - - /* - * ret = rpc_authenticate (req); - * if (ret == RPC_AUTH_REJECT) { - * gf_log ("rpc-clnt", GF_LOG_ERROR, "Failed authentication"); - * ret = -1; - * goto out; - * } - */ - - /* If the error is not RPC_MISMATCH, we consider the call as accepted - * since we are not handling authentication failures for now. - */ - req->rpc_status = 0; - -out: - if (ret != 0) { - req->rpc_status = -1; - } - - return ret; -} - - -int -rpc_clnt_handle_reply (struct rpc_clnt *clnt, rpc_transport_pollin_t *pollin) -{ - rpc_clnt_connection_t *conn = NULL; - struct saved_frame *saved_frame = NULL; - rpc_request_info_t *request_info = NULL; - int ret = -1; - struct rpc_req req = {0, }; - - conn = &clnt->conn; - - request_info = pollin->private; - - saved_frame = lookup_frame (conn, (int64_t)request_info->xid); - if (saved_frame == NULL) { - gf_log ("rpc-clnt", GF_LOG_CRITICAL, "cannot lookup the " - "saved frame for reply with xid (%d), " - "prog-version (%d), prog-num (%d)," - "procnum (%d)", request_info->xid, - request_info->progver, request_info->prognum, - request_info->procnum); - goto out; - } - - ret = rpc_clnt_reply_init (conn, pollin, &req, saved_frame); - if (ret != 0) { - req.rpc_status = -1; - gf_log ("rpc-clnt", GF_LOG_DEBUG, "initialising rpc reply " - "failed"); - } - - saved_frame->cbkfn (&req, req.rsp, req.rspcnt, saved_frame->frame); - - if (ret == 0) { - rpc_clnt_reply_deinit (&req); - } - - ret = 0; -out: - - if (saved_frame) { - GF_FREE (saved_frame); - } - - return ret; -} - - -inline void -rpc_clnt_set_connected (rpc_clnt_connection_t *conn) -{ - if (!conn) { - goto out; - } - - pthread_mutex_lock (&conn->lock); - { - conn->connected = 1; - } - pthread_mutex_unlock (&conn->lock); - -out: - return; -} - - -void -rpc_clnt_unset_connected (rpc_clnt_connection_t *conn) -{ - if (!conn) { - goto out; - } - - pthread_mutex_lock (&conn->lock); - { - conn->connected = 0; - } - pthread_mutex_unlock (&conn->lock); - -out: - return; -} - - -int -rpc_clnt_notify (rpc_transport_t *trans, void *mydata, - rpc_transport_event_t event, void *data, ...) -{ - rpc_clnt_connection_t *conn = NULL; - struct rpc_clnt *clnt = NULL; - int ret = -1; - rpc_request_info_t *req_info = NULL; - rpc_transport_pollin_t *pollin = NULL; - struct timeval tv = {0, }; - - conn = mydata; - if (conn == NULL) { - goto out; - } - clnt = conn->rpc_clnt; - - switch (event) { - case RPC_TRANSPORT_DISCONNECT: - { - rpc_clnt_connection_cleanup (&clnt->conn); - - pthread_mutex_lock (&conn->lock); - { - if (conn->reconnect == NULL) { - tv.tv_sec = 10; - - conn->reconnect = - gf_timer_call_after (clnt->ctx, tv, - rpc_clnt_reconnect, - conn->trans); - } - } - pthread_mutex_unlock (&conn->lock); - - ret = clnt->notifyfn (clnt, clnt->mydata, RPC_CLNT_DISCONNECT, - NULL); - break; - } - - case RPC_TRANSPORT_CLEANUP: - /* this event should not be received on a client for, a - * transport is only disconnected, but never destroyed. - */ - ret = 0; - break; - - case RPC_TRANSPORT_MAP_XID_REQUEST: - { - req_info = data; - ret = rpc_clnt_fill_request_info (clnt, req_info); - break; - } - - case RPC_TRANSPORT_MSG_RECEIVED: - { - pollin = data; - ret = rpc_clnt_handle_reply (clnt, pollin); - /* ret = clnt->notifyfn (clnt, clnt->mydata, RPC_CLNT_MSG, - * data); - */ - break; - } - - case RPC_TRANSPORT_MSG_SENT: - { - pthread_mutex_lock (&conn->lock); - { - gettimeofday (&conn->last_sent, NULL); - } - pthread_mutex_unlock (&conn->lock); - - ret = 0; - break; - } - - case RPC_TRANSPORT_CONNECT: - { - ret = clnt->notifyfn (clnt, clnt->mydata, RPC_CLNT_CONNECT, NULL); - break; - } - - case RPC_TRANSPORT_ACCEPT: - /* only meaningful on a server, no need of handling this event - * in a client. - */ - ret = 0; - break; - } - -out: - return ret; -} - - -void -rpc_clnt_connection_deinit (rpc_clnt_connection_t *conn) -{ - return; -} - - -inline int -rpc_clnt_connection_init (struct rpc_clnt *clnt, glusterfs_ctx_t *ctx, - dict_t *options, char *name) -{ - int ret = -1; - rpc_clnt_connection_t *conn = NULL; - - conn = &clnt->conn; - pthread_mutex_init (&clnt->conn.lock, NULL); - - ret = dict_get_int32 (options, "frame-timeout", - &conn->frame_timeout); - if (ret >= 0) { - gf_log (name, GF_LOG_DEBUG, - "setting frame-timeout to %d", conn->frame_timeout); - } else { - gf_log (name, GF_LOG_DEBUG, - "defaulting frame-timeout to 30mins"); - conn->frame_timeout = 1800; - } - - conn->trans = rpc_transport_load (ctx, options, name); - if (!conn->trans) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, "loading of new rpc-transport" - " failed"); - goto out; - } - - rpc_transport_ref (conn->trans); - - conn->rpc_clnt = clnt; - - ret = rpc_transport_register_notify (conn->trans, rpc_clnt_notify, - conn); - if (ret == -1) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, "registering notify failed"); - rpc_clnt_connection_cleanup (conn); - conn = NULL; - goto out; - } - - conn->saved_frames = saved_frames_new (); - if (!conn->saved_frames) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, "creation of saved_frames " - "failed"); - rpc_clnt_connection_cleanup (conn); - goto out; - } - - rpc_clnt_reconnect (conn->trans); - - ret = 0; - -out: - return ret; -} - - -struct rpc_clnt * -rpc_clnt_init (struct rpc_clnt_config *config, dict_t *options, - glusterfs_ctx_t *ctx, char *name) -{ - int ret = -1; - struct rpc_clnt *rpc = NULL; - - rpc = GF_CALLOC (1, sizeof (*rpc), gf_common_mt_rpcclnt_t); - if (!rpc) { - gf_log ("rpc-clnt", GF_LOG_ERROR, "out of memory"); - goto out; - } - - pthread_mutex_init (&rpc->lock, NULL); - rpc->ctx = ctx; - - ret = rpc_clnt_connection_init (rpc, ctx, options, name); - if (ret == -1) { - pthread_mutex_destroy (&rpc->lock); - GF_FREE (rpc); - rpc = NULL; - goto out; - } -out: - return rpc; -} - - -int -rpc_clnt_register_notify (struct rpc_clnt *rpc, rpc_clnt_notify_t fn, - void *mydata) -{ - rpc->mydata = mydata; - rpc->notifyfn = fn; - - return 0; -} - -ssize_t -xdr_serialize_glusterfs_auth (char *dest, struct auth_glusterfs_parms *au) -{ - ssize_t ret = -1; - XDR xdr; - - if ((!dest) || (!au)) - return -1; - - xdrmem_create (&xdr, dest, 1024, - XDR_ENCODE); - - if (!xdr_auth_glusterfs_parms (&xdr, au)) { - ret = -1; - goto ret; - } - - ret = (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base)); - -ret: - return ret; -} - - -int -rpc_clnt_fill_request (int prognum, int progver, int procnum, int payload, - uint64_t xid, struct auth_glusterfs_parms *au, - struct rpc_msg *request) -{ - int ret = -1; - char dest[1024] = {0,}; - - if (!request) { - goto out; - } - - memset (request, 0, sizeof (*request)); - - request->rm_xid = xid; - request->rm_direction = CALL; - - request->rm_call.cb_rpcvers = 2; - request->rm_call.cb_prog = prognum; - request->rm_call.cb_vers = progver; - request->rm_call.cb_proc = procnum; - - /* TODO: Using AUTH_GLUSTERFS for time-being. Make it modular in - * future so it is easy to plug-in new authentication schemes. - */ - ret = xdr_serialize_glusterfs_auth (dest, au); - if (ret == -1) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, "cannot encode credentials"); - goto out; - } - - request->rm_call.cb_cred.oa_flavor = AUTH_GLUSTERFS; - request->rm_call.cb_cred.oa_base = dest; - request->rm_call.cb_cred.oa_length = ret; - - request->rm_call.cb_verf.oa_flavor = AUTH_NONE; - request->rm_call.cb_verf.oa_base = NULL; - request->rm_call.cb_verf.oa_length = 0; - - ret = 0; -out: - return ret; -} - - -void -rpc_clnt_set_lastfrag (uint32_t *fragsize) { - (*fragsize) |= 0x80000000U; -} - - -void -rpc_clnt_set_frag_header_size (uint32_t size, char *haddr) -{ - size = htonl (size); - memcpy (haddr, &size, sizeof (size)); -} - - -void -rpc_clnt_set_last_frag_header_size (uint32_t size, char *haddr) -{ - rpc_clnt_set_lastfrag (&size); - rpc_clnt_set_frag_header_size (size, haddr); -} - - -struct iovec -rpc_clnt_record_build_header (char *recordstart, size_t rlen, - struct rpc_msg *request, size_t payload) -{ - struct iovec requesthdr = {0, }; - struct iovec txrecord = {0, 0}; - size_t fraglen = 0; - int ret = -1; - - /* After leaving aside the 4 bytes for the fragment header, lets - * encode the RPC reply structure into the buffer given to us. - */ - ret = rpc_request_to_xdr (request, (recordstart + RPC_FRAGHDR_SIZE), - rlen, &requesthdr); - if (ret == -1) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, - "Failed to create RPC request"); - goto out; - } - - fraglen = payload + requesthdr.iov_len; - gf_log ("rpc-clnt", GF_LOG_TRACE, "Request fraglen %zu, payload: %zu, " - "rpc hdr: %zu", fraglen, payload, requesthdr.iov_len); - - /* Since we're not spreading RPC records over mutiple fragments - * we just set this fragment as the first and last fragment for this - * record. - */ - rpc_clnt_set_last_frag_header_size (fraglen, recordstart); - - /* Even though the RPC record starts at recordstart+RPCSVC_FRAGHDR_SIZE - * we need to transmit the record with the fragment header, which starts - * at recordstart. - */ - txrecord.iov_base = recordstart; - - /* Remember, this is only the vec for the RPC header and does not - * include the payload above. We needed the payload only to calculate - * the size of the full fragment. This size is sent in the fragment - * header. - */ - txrecord.iov_len = RPC_FRAGHDR_SIZE + requesthdr.iov_len; - -out: - return txrecord; -} - - -struct iobuf * -rpc_clnt_record_build_record (struct rpc_clnt *clnt, int prognum, int progver, - int procnum, size_t payload, uint64_t xid, - struct auth_glusterfs_parms *au, struct iovec *recbuf) -{ - struct rpc_msg request = {0, }; - struct iobuf *request_iob = NULL; - char *record = NULL; - struct iovec recordhdr = {0, }; - size_t pagesize = 0; - int ret = -1; - - if ((!clnt) || (!recbuf) || (!au)) { - goto out; - } - - /* First, try to get a pointer into the buffer which the RPC - * layer can use. - */ - request_iob = iobuf_get (clnt->ctx->iobuf_pool); - if (!request_iob) { - gf_log ("rpc-clnt", GF_LOG_ERROR, "Failed to get iobuf"); - goto out; - } - - pagesize = ((struct iobuf_pool *)clnt->ctx->iobuf_pool)->page_size; - - record = iobuf_ptr (request_iob); /* Now we have it. */ - - /* Fill the rpc structure and XDR it into the buffer got above. */ - ret = rpc_clnt_fill_request (prognum, progver, procnum, payload, xid, - au, &request); - if (ret == -1) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, "cannot build a rpc-request " - "xid (%"PRIu64")", xid); - goto out; - } - - recordhdr = rpc_clnt_record_build_header (record, pagesize, &request, - payload); - - //GF_FREE (request.rm_call.cb_cred.oa_base); - - if (!recordhdr.iov_base) { - gf_log ("rpc-clnt", GF_LOG_ERROR, "Failed to build record " - " header"); - iobuf_unref (request_iob); - request_iob = NULL; - recbuf->iov_base = NULL; - goto out; - } - - recbuf->iov_base = recordhdr.iov_base; - recbuf->iov_len = recordhdr.iov_len; - -out: - return request_iob; -} - - -struct iobuf * -rpc_clnt_record (struct rpc_clnt *clnt, call_frame_t *call_frame, - rpc_clnt_prog_t *prog,int procnum, size_t payload_len, - struct iovec *rpchdr, uint64_t callid) -{ - struct auth_glusterfs_parms au = {0, }; - struct iobuf *request_iob = NULL; - - if (!prog || !rpchdr || !call_frame) { - goto out; - } - - au.pid = call_frame->root->pid; - au.uid = call_frame->root->uid; - au.gid = call_frame->root->gid; - au.ngrps = call_frame->root->ngrps; - au.lk_owner = call_frame->root->lk_owner; - if (!au.lk_owner) - au.lk_owner = au.pid; - - gf_log ("", GF_LOG_TRACE, "Auth Info: pid: %u, uid: %d" - ", gid: %d, owner: %"PRId64, - au.pid, au.uid, au.gid, au.lk_owner); - - memcpy (au.groups, call_frame->root->groups, 16); - - //rpc_transport_get_myname (clnt->conn.trans, myname, UNIX_PATH_MAX); - //au.aup_machname = myname; - - /* Assuming the client program would like to speak to the same versioned - * program on server. - */ - request_iob = rpc_clnt_record_build_record (clnt, prog->prognum, - prog->progver, - procnum, payload_len, - callid, &au, - rpchdr); - if (!request_iob) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, "cannot build rpc-record"); - goto out; - } - -out: - return request_iob; -} - - -int -rpc_clnt_submit (struct rpc_clnt *rpc, rpc_clnt_prog_t *prog, - int procnum, fop_cbk_fn_t cbkfn, - struct iovec *proghdr, int proghdrcount, - struct iovec *progpayload, int progpayloadcount, - struct iobref *iobref, void *frame) -{ - rpc_clnt_connection_t *conn = NULL; - struct iobuf *request_iob = NULL; - struct iovec rpchdr = {0,}; - struct rpc_req rpcreq = {0,}; - rpc_transport_req_t req; - int ret = -1; - int proglen = 0; - char new_iobref = 0; - uint64_t callid = 0; - - if (!rpc || !prog || !frame) { - goto out; - } - - memset (&req, 0, sizeof (req)); - - if (!iobref) { - iobref = iobref_new (); - if (!iobref) { - gf_log ("rpc-clnt", GF_LOG_ERROR, "out of memory"); - goto out; - } - - new_iobref = 1; - } - - callid = rpc_clnt_new_callid (rpc); - - conn = &rpc->conn; - - pthread_mutex_lock (&conn->lock); - { - if (conn->connected == 0) { - rpc_transport_connect (conn->trans); - } - - ret = -1; - - if (conn->connected || - /* FIXME: hack!! hack!! find a neater way to do this */ - ((prog->prognum == GLUSTER_HNDSK_PROGRAM) && - ((procnum == GF_HNDSK_SETVOLUME) || - (procnum == GF_HNDSK_DUMP_VERSION)))) { - if (proghdr) { - proglen += iov_length (proghdr, proghdrcount); - } - - if (progpayload) { - proglen += iov_length (progpayload, - progpayloadcount); - } - - request_iob = rpc_clnt_record (rpc, frame, prog, - procnum, proglen, - &rpchdr, callid); - if (!request_iob) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, - "cannot build rpc-record"); - goto unlock; - } - - iobref_add (iobref, request_iob); - - req.msg.rpchdr = &rpchdr; - req.msg.rpchdrcount = 1; - req.msg.proghdr = proghdr; - req.msg.proghdrcount = proghdrcount; - req.msg.progpayload = progpayload; - req.msg.progpayloadcount = progpayloadcount; - req.msg.iobref = iobref; - - ret = rpc_transport_submit_request (rpc->conn.trans, - &req); - if (ret == -1) { - gf_log ("rpc-clnt", GF_LOG_DEBUG, - "transmission of rpc-request failed"); - } - } - - if ((ret >= 0) && frame) { - gettimeofday (&conn->last_sent, NULL); - /* Save the frame in queue */ - __save_frame (rpc, frame, procnum, prog, cbkfn, callid); - } - - } -unlock: - pthread_mutex_unlock (&conn->lock); - - if (ret == -1) { - goto out; - } - - ret = 0; - -out: - iobuf_unref (request_iob); - - if (new_iobref && iobref) { - iobref_unref (iobref); - } - - if (frame && (ret == -1)) { - rpcreq.rpc_status = -1; - cbkfn (&rpcreq, NULL, 0, frame); - } - return ret; -} - - -void -rpc_clnt_destroy (struct rpc_clnt *rpc) -{ - rpc_clnt_connection_cleanup (&rpc->conn); - pthread_mutex_destroy (&rpc->lock); - pthread_mutex_destroy (&rpc->conn.lock); - GF_FREE (rpc); - return; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/rpc-clnt.h b/xlators/protocol/rpc/rpc-lib/src/rpc-clnt.h deleted file mode 100644 index efc256cd2..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpc-clnt.h +++ /dev/null @@ -1,166 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _RPC_CLNT_H -#define _RPC_CLNT_H - -#include "stack.h" -#include "rpc-transport.h" -#include "timer.h" -#include "xdr-common.h" - -typedef enum { - RPC_CLNT_CONNECT, - RPC_CLNT_DISCONNECT, - RPC_CLNT_MSG -} rpc_clnt_event_t; - -#define AUTH_GLUSTERFS 5 - -struct xptr_clnt; -struct rpc_req; -struct rpc_clnt; -struct rpc_clnt_config; -struct rpc_clnt_program; - -typedef int (*rpc_clnt_notify_t) (struct rpc_clnt *rpc, void *mydata, - rpc_clnt_event_t fn, void *data); - -typedef int (*fop_cbk_fn_t) (struct rpc_req *req, struct iovec *iov, int count, - void *myframe); - -typedef int (*clnt_fn_t) (call_frame_t *fr, xlator_t *xl, void *args); - -struct saved_frame { - union { - struct list_head list; - struct { - struct saved_frame *frame_next; - struct saved_frame *frame_prev; - }; - }; - void *capital_this; - void *frame; - struct timeval saved_at; - int32_t procnum; - struct rpc_clnt_program *prog; - fop_cbk_fn_t cbkfn; - uint64_t callid; - rpc_transport_rsp_t rsp; -}; - -struct saved_frames { - int64_t count; - struct saved_frame sf; -}; - - -/* Initialized by procnum */ -typedef struct rpc_clnt_procedure { - char *procname; - clnt_fn_t fn; -} rpc_clnt_procedure_t; - -typedef struct rpc_clnt_program { - char *progname; - int prognum; - int progver; - rpc_clnt_procedure_t *proctable; - char **procnames; - int numproc; -} rpc_clnt_prog_t; - -#define RPC_MAX_AUTH_BYTES 400 -typedef struct rpc_auth_data { - int flavour; - int datalen; - char authdata[RPC_MAX_AUTH_BYTES]; -} rpc_auth_data_t; - -#define rpc_auth_flavour(au) ((au).flavour) - -struct rpc_clnt_connection { - pthread_mutex_t lock; - rpc_transport_t *trans; - gf_timer_t *reconnect; - gf_timer_t *timer; - gf_timer_t *ping_timer; - struct rpc_clnt *rpc_clnt; - char connected; - struct saved_frames *saved_frames; - int32_t frame_timeout; - struct timeval last_sent; - struct timeval last_received; - int32_t ping_started; -}; -typedef struct rpc_clnt_connection rpc_clnt_connection_t; - -struct rpc_req { - rpc_clnt_connection_t *conn; - uint32_t xid; - struct iovec req[2]; - int reqcnt; - struct iovec rsp[2]; - int rspcnt; - struct iobuf *rsp_prochdr; - struct iobuf *rsp_procpayload; - int rpc_status; - rpc_auth_data_t verf; - rpc_clnt_prog_t *prog; - int procnum; -}; - -struct rpc_clnt { - pthread_mutex_t lock; - rpc_clnt_notify_t notifyfn; - rpc_clnt_connection_t conn; - void *mydata; - uint64_t xid; - glusterfs_ctx_t *ctx; -}; - -struct rpc_clnt_config { - int rpc_timeout; - int remote_port; - char * remote_host; -}; - - -struct rpc_clnt * rpc_clnt_init (struct rpc_clnt_config *config, - dict_t *options, glusterfs_ctx_t *ctx, - char *name); - -int rpc_clnt_register_notify (struct rpc_clnt *rpc, rpc_clnt_notify_t fn, - void *mydata); - -int rpc_clnt_submit (struct rpc_clnt *rpc, rpc_clnt_prog_t *prog, - int procnum, fop_cbk_fn_t cbkfn, - struct iovec *proghdr, int proghdrcount, - struct iovec *progpayload, int progpayloadcount, - struct iobref *iobref, void *frame); - -void rpc_clnt_destroy (struct rpc_clnt *rpc); - -void rpc_clnt_set_connected (rpc_clnt_connection_t *conn); - -void rpc_clnt_unset_connected (rpc_clnt_connection_t *conn); - -void rpc_clnt_reconnect (void *trans_ptr); - -#endif /* !_RPC_CLNT_H */ diff --git a/xlators/protocol/rpc/rpc-lib/src/rpc-transport.c b/xlators/protocol/rpc/rpc-lib/src/rpc-transport.c deleted file mode 100644 index 82ea9a74b..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpc-transport.c +++ /dev/null @@ -1,1301 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include <dlfcn.h> -#include <stdlib.h> -#include <stdio.h> -#include <sys/poll.h> -#include <fnmatch.h> -#include <stdint.h> - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "logging.h" -#include "rpc-transport.h" -#include "glusterfs.h" -/* FIXME: xlator.h is needed for volume_option_t, need to define the datatype - * in some other header - */ -#include "xlator.h" -#include "list.h" - -#ifndef GF_OPTION_LIST_EMPTY -#define GF_OPTION_LIST_EMPTY(_opt) (_opt->value[0] == NULL) -#endif - -/* RFC 1123 & 952 */ -static char -valid_host_name (char *address, int length) -{ - int i = 0; - char ret = 1; - - if ((length > 75) || (length == 1)) { - ret = 0; - goto out; - } - - if (!isalnum (address[length - 1])) { - ret = 0; - goto out; - } - - for (i = 0; i < length; i++) { - if (!isalnum (address[i]) && (address[i] != '.') - && (address[i] != '-')) { - ret = 0; - goto out; - } - } - -out: - return ret; -} - -static char -valid_ipv4_address (char *address, int length) -{ - int octets = 0; - int value = 0; - char *tmp = NULL, *ptr = NULL, *prev = NULL, *endptr = NULL; - char ret = 1; - - prev = tmp = gf_strdup (address); - prev = strtok_r (tmp, ".", &ptr); - - while (prev != NULL) - { - octets++; - value = strtol (prev, &endptr, 10); - if ((value > 255) || (value < 0) || (endptr != NULL)) { - ret = 0; - goto out; - } - - prev = strtok_r (NULL, ".", &ptr); - } - - if (octets != 4) { - ret = 0; - } - -out: - GF_FREE (tmp); - return ret; -} - - -static char -valid_ipv6_address (char *address, int length) -{ - int hex_numbers = 0; - int value = 0; - char *tmp = NULL, *ptr = NULL, *prev = NULL, *endptr = NULL; - char ret = 1; - - tmp = gf_strdup (address); - prev = strtok_r (tmp, ":", &ptr); - - while (prev != NULL) - { - hex_numbers++; - value = strtol (prev, &endptr, 16); - if ((value > 0xffff) || (value < 0) - || (endptr != NULL && *endptr != '\0')) { - ret = 0; - goto out; - } - - prev = strtok_r (NULL, ":", &ptr); - } - - if (hex_numbers > 8) { - ret = 0; - } - -out: - GF_FREE (tmp); - return ret; -} - - -static char -valid_internet_address (char *address) -{ - char ret = 0; - int length = 0; - - if (address == NULL) { - goto out; - } - - length = strlen (address); - if (length == 0) { - goto out; - } - - if (valid_ipv4_address (address, length) - || valid_ipv6_address (address, length) - || valid_host_name (address, length)) { - ret = 1; - } - -out: - return ret; -} - - -int -__volume_option_value_validate (char *name, - data_pair_t *pair, - volume_option_t *opt) -{ - int i = 0; - int ret = -1; - uint64_t input_size = 0; - long long inputll = 0; - - /* Key is valid, validate the option */ - switch (opt->type) { - case GF_OPTION_TYPE_XLATOR: - break; - - case GF_OPTION_TYPE_PATH: - { - if (strstr (pair->value->data, "../")) { - gf_log (name, GF_LOG_ERROR, - "invalid path given '%s'", - pair->value->data); - ret = -1; - goto out; - } - - /* Make sure the given path is valid */ - if (pair->value->data[0] != '/') { - gf_log (name, GF_LOG_WARNING, - "option %s %s: '%s' is not an " - "absolute path name", - pair->key, pair->value->data, - pair->value->data); - } - ret = 0; - } - break; - case GF_OPTION_TYPE_INT: - { - /* Check the range */ - if (gf_string2longlong (pair->value->data, - &inputll) != 0) { - gf_log (name, GF_LOG_ERROR, - "invalid number format \"%s\" in " - "\"option %s\"", - pair->value->data, pair->key); - goto out; - } - - if ((opt->min == 0) && (opt->max == 0)) { - gf_log (name, GF_LOG_DEBUG, - "no range check required for " - "'option %s %s'", - pair->key, pair->value->data); - ret = 0; - break; - } - if ((inputll < opt->min) || - (inputll > opt->max)) { - gf_log (name, GF_LOG_WARNING, - "'%lld' in 'option %s %s' is out of " - "range [%"PRId64" - %"PRId64"]", - inputll, pair->key, - pair->value->data, - opt->min, opt->max); - } - ret = 0; - } - break; - case GF_OPTION_TYPE_SIZET: - { - /* Check the range */ - if (gf_string2bytesize (pair->value->data, - &input_size) != 0) { - gf_log (name, GF_LOG_ERROR, - "invalid size format \"%s\" in " - "\"option %s\"", - pair->value->data, pair->key); - goto out; - } - - if ((opt->min == 0) && (opt->max == 0)) { - gf_log (name, GF_LOG_DEBUG, - "no range check required for " - "'option %s %s'", - pair->key, pair->value->data); - ret = 0; - break; - } - if ((input_size < opt->min) || - (input_size > opt->max)) { - gf_log (name, GF_LOG_ERROR, - "'%"PRId64"' in 'option %s %s' is " - "out of range [%"PRId64" - %"PRId64"]", - input_size, pair->key, - pair->value->data, - opt->min, opt->max); - } - ret = 0; - } - break; - case GF_OPTION_TYPE_BOOL: - { - /* Check if the value is one of - '0|1|on|off|no|yes|true|false|enable|disable' */ - gf_boolean_t bool_value; - if (gf_string2boolean (pair->value->data, - &bool_value) != 0) { - gf_log (name, GF_LOG_ERROR, - "option %s %s: '%s' is not a valid " - "boolean value", - pair->key, pair->value->data, - pair->value->data); - goto out; - } - ret = 0; - } - break; - case GF_OPTION_TYPE_STR: - { - /* Check if the '*str' is valid */ - if (GF_OPTION_LIST_EMPTY(opt)) { - ret = 0; - goto out; - } - - for (i = 0; (i < ZR_OPTION_MAX_ARRAY_SIZE) && - opt->value[i]; i++) { - if (strcasecmp (opt->value[i], - pair->value->data) == 0) { - ret = 0; - break; - } - } - - if ((i == ZR_OPTION_MAX_ARRAY_SIZE) - || ((i < ZR_OPTION_MAX_ARRAY_SIZE) - && (!opt->value[i]))) { - /* enter here only if - * 1. reached end of opt->value array and haven't - * validated input - * OR - * 2. valid input list is less than - * ZR_OPTION_MAX_ARRAY_SIZE and input has not - * matched all possible input values. - */ - char given_array[4096] = {0,}; - for (i = 0; (i < ZR_OPTION_MAX_ARRAY_SIZE) && - opt->value[i]; i++) { - strcat (given_array, opt->value[i]); - strcat (given_array, ", "); - } - - gf_log (name, GF_LOG_ERROR, - "option %s %s: '%s' is not valid " - "(possible options are %s)", - pair->key, pair->value->data, - pair->value->data, given_array); - - goto out; - } - } - break; - case GF_OPTION_TYPE_PERCENT: - { - uint32_t percent = 0; - - - /* Check if the value is valid percentage */ - if (gf_string2percent (pair->value->data, - &percent) != 0) { - gf_log (name, GF_LOG_ERROR, - "invalid percent format \"%s\" " - "in \"option %s\"", - pair->value->data, pair->key); - goto out; - } - - if ((percent < 0) || (percent > 100)) { - gf_log (name, GF_LOG_ERROR, - "'%d' in 'option %s %s' is out of " - "range [0 - 100]", - percent, pair->key, - pair->value->data); - } - ret = 0; - } - break; - case GF_OPTION_TYPE_PERCENT_OR_SIZET: - { - uint32_t percent = 0; - uint64_t input_size = 0; - - /* Check if the value is valid percentage */ - if (gf_string2percent (pair->value->data, - &percent) == 0) { - if (percent > 100) { - gf_log (name, GF_LOG_DEBUG, - "value given was greater than 100, " - "assuming this is actually a size"); - if (gf_string2bytesize (pair->value->data, - &input_size) == 0) { - /* Check the range */ - if ((opt->min == 0) && - (opt->max == 0)) { - gf_log (name, GF_LOG_DEBUG, - "no range check " - "required for " - "'option %s %s'", - pair->key, - pair->value->data); - // It is a size - ret = 0; - goto out; - } - if ((input_size < opt->min) || - (input_size > opt->max)) { - gf_log (name, GF_LOG_ERROR, - "'%"PRId64"' in " - "'option %s %s' is out" - " of range [%"PRId64"" - "- %"PRId64"]", - input_size, pair->key, - pair->value->data, - opt->min, opt->max); - } - // It is a size - ret = 0; - goto out; - } else { - // It's not a percent or size - gf_log (name, GF_LOG_ERROR, - "invalid number format \"%s\" " - "in \"option %s\"", - pair->value->data, pair->key); - } - - } - // It is a percent - ret = 0; - goto out; - } else { - if (gf_string2bytesize (pair->value->data, - &input_size) == 0) { - /* Check the range */ - if ((opt->min == 0) && (opt->max == 0)) { - gf_log (name, GF_LOG_DEBUG, - "no range check required for " - "'option %s %s'", - pair->key, pair->value->data); - // It is a size - ret = 0; - goto out; - } - if ((input_size < opt->min) || - (input_size > opt->max)) { - gf_log (name, GF_LOG_ERROR, - "'%"PRId64"' in 'option %s %s'" - " is out of range [%"PRId64" -" - " %"PRId64"]", - input_size, pair->key, - pair->value->data, - opt->min, opt->max); - } - } else { - // It's not a percent or size - gf_log (name, GF_LOG_ERROR, - "invalid number format \"%s\" " - "in \"option %s\"", - pair->value->data, pair->key); - } - //It is a size - ret = 0; - goto out; - } - - } - break; - case GF_OPTION_TYPE_TIME: - { - uint32_t input_time = 0; - - /* Check if the value is valid percentage */ - if (gf_string2time (pair->value->data, - &input_time) != 0) { - gf_log (name, - GF_LOG_ERROR, - "invalid time format \"%s\" in " - "\"option %s\"", - pair->value->data, pair->key); - goto out; - } - - if ((opt->min == 0) && (opt->max == 0)) { - gf_log (name, GF_LOG_DEBUG, - "no range check required for " - "'option %s %s'", - pair->key, pair->value->data); - ret = 0; - goto out; - } - if ((input_time < opt->min) || - (input_time > opt->max)) { - gf_log (name, GF_LOG_ERROR, - "'%"PRIu32"' in 'option %s %s' is " - "out of range [%"PRId64" - %"PRId64"]", - input_time, pair->key, - pair->value->data, - opt->min, opt->max); - } - ret = 0; - } - break; - case GF_OPTION_TYPE_DOUBLE: - { - double input_time = 0.0; - - /* Check if the value is valid double */ - if (gf_string2double (pair->value->data, - &input_time) != 0) { - gf_log (name, - GF_LOG_ERROR, - "invalid time format \"%s\" in \"option %s\"", - pair->value->data, pair->key); - goto out; - } - - if (input_time < 0.0) { - gf_log (name, - GF_LOG_ERROR, - "invalid time format \"%s\" in \"option %s\"", - pair->value->data, pair->key); - goto out; - } - - if ((opt->min == 0) && (opt->max == 0)) { - gf_log (name, GF_LOG_DEBUG, - "no range check required for 'option %s %s'", - pair->key, pair->value->data); - ret = 0; - goto out; - } - ret = 0; - } - break; - case GF_OPTION_TYPE_INTERNET_ADDRESS: - { - if (valid_internet_address (pair->value->data)) { - ret = 0; - } - } - break; - case GF_OPTION_TYPE_ANY: - /* NO CHECK */ - ret = 0; - break; - } - -out: - return ret; -} - -/* FIXME: this procedure should be removed from transport */ -int -validate_volume_options (char *name, dict_t *options, volume_option_t *opt) -{ - int i = 0; - int ret = -1; - int index = 0; - volume_option_t *trav = NULL; - data_pair_t *pairs = NULL; - - if (!opt) { - ret = 0; - goto out; - } - - /* First search for not supported options, if any report error */ - pairs = options->members_list; - while (pairs) { - ret = -1; - for (index = 0; - opt[index].key && opt[index].key[0] ; index++) { - trav = &(opt[index]); - for (i = 0 ; - (i < ZR_VOLUME_MAX_NUM_KEY) && - trav->key[i]; i++) { - /* Check if the key is valid */ - if (fnmatch (trav->key[i], - pairs->key, FNM_NOESCAPE) == 0) { - ret = 0; - break; - } - } - if (!ret) { - if (i) { - gf_log (name, GF_LOG_WARNING, - "option '%s' is deprecated, " - "preferred is '%s', continuing" - " with correction", - trav->key[i], trav->key[0]); - /* TODO: some bytes lost */ - pairs->key = gf_strdup (trav->key[0]); - } - break; - } - } - if (!ret) { - ret = __volume_option_value_validate (name, pairs, trav); - if (-1 == ret) { - goto out; - } - } - - pairs = pairs->next; - } - - ret = 0; - out: - return ret; -} - -int32_t -rpc_transport_get_myaddr (rpc_transport_t *this, char *peeraddr, int addrlen, - struct sockaddr *sa, size_t salen) -{ - if (!this) - return -1; - - return this->ops->get_myaddr (this, peeraddr, addrlen, sa, salen); -} - -int32_t -rpc_transport_get_myname (rpc_transport_t *this, char *hostname, int hostlen) -{ - if (!this) - return -1; - - return this->ops->get_myname (this, hostname, hostlen); -} - -int32_t -rpc_transport_get_peername (rpc_transport_t *this, char *hostname, int hostlen) -{ - if (!this) - return -1; - return this->ops->get_peername (this, hostname, hostlen); -} - -int32_t -rpc_transport_get_peeraddr (rpc_transport_t *this, char *peeraddr, int addrlen, - struct sockaddr *sa, size_t salen) -{ - if (!this) - return -1; - return this->ops->get_peeraddr (this, peeraddr, addrlen, sa, salen); -} - -void -rpc_transport_pollin_destroy (rpc_transport_pollin_t *pollin) -{ - if (!pollin) { - goto out; - } - - if (pollin->vectored) { - if (pollin->data.vector.iobuf1) { - iobuf_unref (pollin->data.vector.iobuf1); - } - - if (pollin->data.vector.iobuf2) { - iobuf_unref (pollin->data.vector.iobuf2); - } - } else { - if (pollin->data.simple.iobuf) { - iobuf_unref (pollin->data.simple.iobuf); - } - } - - if (pollin->private) { - /* */ - GF_FREE (pollin->private); - } - - GF_FREE (pollin); -out: - return; -} - - -rpc_transport_pollin_t * -rpc_transport_pollin_alloc (rpc_transport_t *this, struct iobuf *iobuf, - size_t size, struct iobuf *vectored_buf, - size_t vectored_size, void *private) -{ - rpc_transport_pollin_t *msg = NULL; - msg = GF_CALLOC (1, sizeof (*msg), gf_common_mt_rpc_trans_pollin_t); - if (!msg) { - gf_log ("rpc-transport", GF_LOG_ERROR, "out of memory"); - goto out; - } - - if (vectored_buf) { - msg->vectored = 1; - msg->data.vector.iobuf1 = iobuf_ref (iobuf); - msg->data.vector.size1 = size; - - msg->data.vector.iobuf2 = iobuf_ref (vectored_buf); - msg->data.vector.size2 = vectored_size; - } else { - msg->data.simple.iobuf = iobuf_ref (iobuf); - msg->data.simple.size = size; - } - - msg->private = private; -out: - return msg; -} - - -rpc_transport_pollin_t * -rpc_transport_same_process_pollin_alloc (rpc_transport_t *this, - struct iovec *rpchdr, int rpchdrcount, - struct iovec *proghdr, - int proghdrcount, - struct iovec *progpayload, - int progpayloadcount, - rpc_transport_rsp_t *rsp, - char is_request) -{ - rpc_transport_pollin_t *msg = NULL; - int rpchdrlen = 0, proghdrlen = 0; - int progpayloadlen = 0; - char vectored = 0; - char *hdr = NULL, *progpayloadbuf = NULL; - - if (!rpchdr || !proghdr) { - goto err; - } - - msg = GF_CALLOC (1, sizeof (*msg), gf_common_mt_rpc_trans_pollin_t); - if (!msg) { - gf_log ("rpc-transport", GF_LOG_ERROR, "out of memory"); - goto err; - } - - rpchdrlen = iov_length (rpchdr, rpchdrcount); - proghdrlen = iov_length (proghdr, proghdrcount); - - if (progpayload) { - vectored = 1; - progpayloadlen = iov_length (progpayload, progpayloadcount); - } - - /* FIXME: we are assuming rpchdr and proghdr will fit into - * an iobuf (128KB) - */ - if ((rpchdrlen + proghdrlen) > this->ctx->page_size) { - gf_log ("rpc_transport", GF_LOG_DEBUG, "program hdr and rpc" - " hdr together combined (%d) is bigger than " - "iobuf size (%zu)", (rpchdrlen + proghdrlen), - this->ctx->page_size); - goto err; - } - - if (vectored) { - msg->data.vector.iobuf1 = iobuf_get (this->ctx->iobuf_pool); - if (!msg->data.vector.iobuf1) { - gf_log ("rpc_transport", GF_LOG_ERROR, - "out of memory"); - goto err; - } - - msg->data.vector.size1 = rpchdrlen + proghdrlen; - hdr = iobuf_ptr (msg->data.vector.iobuf1); - - if (!is_request && rsp) { - msg->data.vector.iobuf2 = rsp->rspbuf; - progpayloadbuf = rsp->rspvec->iov_base; - } else { - msg->data.vector.iobuf2 = iobuf_get (this->ctx->iobuf_pool); - if (!msg->data.vector.iobuf2) { - gf_log ("rpc_transport", GF_LOG_ERROR, - "out of memory"); - goto err; - } - - progpayloadbuf = iobuf_ptr (msg->data.vector.iobuf2); - } - msg->data.vector.size2 = progpayloadlen; - } else { - if (!is_request && rsp) { - /* FIXME: Assuming rspvec contains only one vector */ - hdr = rsp->rspvec->iov_base; - msg->data.simple.iobuf = rsp->rspbuf; - } else { - msg->data.simple.iobuf = iobuf_get (this->ctx->iobuf_pool); - if (!msg->data.simple.iobuf) { - gf_log ("rpc_transport", GF_LOG_ERROR, - "out of memory"); - goto err; - } - - hdr = iobuf_ptr (msg->data.simple.iobuf); - } - - msg->data.simple.size = rpchdrlen + proghdrlen; - } - - iov_unload (hdr, rpchdr, rpchdrcount); - hdr += rpchdrlen; - iov_unload (hdr, proghdr, proghdrcount); - - if (progpayload) { - iov_unload (progpayloadbuf, progpayload, - progpayloadcount); - } - - if (is_request) { - msg->private = rsp; - } - return msg; -err: - if (msg) { - rpc_transport_pollin_destroy (msg); - } - - return NULL; -} - - -rpc_transport_handover_t * -rpc_transport_handover_alloc (rpc_transport_pollin_t *pollin) -{ - rpc_transport_handover_t *msg = NULL; - - msg = GF_CALLOC (1, sizeof (*msg), gf_common_mt_rpc_trans_handover_t); - if (!msg) { - gf_log ("rpc_transport", GF_LOG_ERROR, "out of memory"); - goto out; - } - - msg->pollin = pollin; - INIT_LIST_HEAD (&msg->list); -out: - return msg; -} - - -void -rpc_transport_handover_destroy (rpc_transport_handover_t *msg) -{ - if (!msg) { - goto out; - } - - if (msg->pollin) { - rpc_transport_pollin_destroy (msg->pollin); - } - - GF_FREE (msg); - -out: - return; -} - - -rpc_transport_t * -rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) -{ - struct rpc_transport *trans = NULL, *return_trans = NULL; - char *name = NULL; - void *handle = NULL; - char *type = NULL; - char str[] = "ERROR"; - int32_t ret = -1; - int8_t is_tcp = 0, is_unix = 0, is_ibsdp = 0; - volume_opt_list_t *vol_opt = NULL; - - GF_VALIDATE_OR_GOTO("rpc-transport", options, fail); - GF_VALIDATE_OR_GOTO("rpc-transport", ctx, fail); - GF_VALIDATE_OR_GOTO("rpc-transport", trans_name, fail); - - trans = GF_CALLOC (1, sizeof (struct rpc_transport), gf_common_mt_rpc_trans_t); - GF_VALIDATE_OR_GOTO("rpc-transport", trans, fail); - - trans->name = gf_strdup (trans_name); - GF_VALIDATE_OR_GOTO ("rpc-transport", trans->name, fail); - - trans->ctx = ctx; - type = str; - - /* Backward compatibility */ - ret = dict_get_str (options, "transport-type", &type); - if (ret < 0) { - ret = dict_set_str (options, "transport-type", "socket"); - if (ret < 0) - gf_log ("dict", GF_LOG_DEBUG, - "setting transport-type failed"); - gf_log ("rpc-transport", GF_LOG_WARNING, - "missing 'option transport-type'. defaulting to " - "\"socket\""); - } else { - { - /* Backword compatibility to handle * /client, - * * /server. - */ - char *tmp = strchr (type, '/'); - if (tmp) - *tmp = '\0'; - } - - is_tcp = strcmp (type, "tcp"); - is_unix = strcmp (type, "unix"); - is_ibsdp = strcmp (type, "ib-sdp"); - if ((is_tcp == 0) || - (is_unix == 0) || - (is_ibsdp == 0)) { - if (is_unix == 0) - ret = dict_set_str (options, - "transport.address-family", - "unix"); - if (is_ibsdp == 0) - ret = dict_set_str (options, - "transport.address-family", - "inet-sdp"); - - if (ret < 0) - gf_log ("dict", GF_LOG_DEBUG, - "setting address-family failed"); - - ret = dict_set_str (options, - "transport-type", "socket"); - if (ret < 0) - gf_log ("dict", GF_LOG_DEBUG, - "setting transport-type failed"); - } - } - - ret = dict_get_str (options, "transport-type", &type); - if (ret < 0) { - gf_log ("rpc-transport", GF_LOG_ERROR, - "'option transport-type <xx>' missing in volume '%s'", - trans_name); - goto fail; - } - - ret = gf_asprintf (&name, "%s/%s.so", RPC_TRANSPORTDIR, type); - if (-1 == ret) { - gf_log ("rpc-transport", GF_LOG_ERROR, "asprintf failed"); - goto fail; - } - gf_log ("rpc-transport", GF_LOG_DEBUG, - "attempt to load file %s", name); - - handle = dlopen (name, RTLD_NOW|RTLD_GLOBAL); - if (handle == NULL) { - gf_log ("rpc-transport", GF_LOG_ERROR, "%s", dlerror ()); - gf_log ("rpc-transport", GF_LOG_ERROR, - "volume '%s': transport-type '%s' is not valid or " - "not found on this machine", - trans_name, type); - goto fail; - } - - trans->ops = dlsym (handle, "tops"); - if (trans->ops == NULL) { - gf_log ("rpc-transport", GF_LOG_ERROR, - "dlsym (rpc_transport_ops) on %s", dlerror ()); - goto fail; - } - - trans->init = dlsym (handle, "init"); - if (trans->init == NULL) { - gf_log ("rpc-transport", GF_LOG_ERROR, - "dlsym (gf_rpc_transport_init) on %s", dlerror ()); - goto fail; - } - - trans->fini = dlsym (handle, "fini"); - if (trans->fini == NULL) { - gf_log ("rpc-transport", GF_LOG_ERROR, - "dlsym (gf_rpc_transport_fini) on %s", dlerror ()); - goto fail; - } - - vol_opt = GF_CALLOC (1, sizeof (volume_opt_list_t), - gf_common_mt_volume_opt_list_t); - if (!vol_opt) { - gf_log (trans_name, GF_LOG_ERROR, "out of memory"); - goto fail; - } - - vol_opt->given_opt = dlsym (handle, "options"); - if (vol_opt->given_opt == NULL) { - gf_log ("rpc-transport", GF_LOG_DEBUG, - "volume option validation not specified"); - } else { - /* FIXME: is adding really needed? */ - /* list_add_tail (&vol_opt->list, &xl->volume_options); */ - if (-1 == - validate_volume_options (trans_name, options, - vol_opt->given_opt)) { - gf_log ("rpc-transport", GF_LOG_ERROR, - "volume option validation failed"); - goto fail; - } - } - - ret = trans->init (trans); - if (ret != 0) { - gf_log ("rpc-transport", GF_LOG_ERROR, - "'%s' initialization failed", type); - goto fail; - } - - trans->options = options; - - pthread_mutex_init (&trans->lock, NULL); - return_trans = trans; - return return_trans; - -fail: - if (trans) { - if (trans->name) { - GF_FREE (trans->name); - } - - GF_FREE (trans); - } - - if (name) { - GF_FREE (name); - } - - if (vol_opt) { - GF_FREE (vol_opt); - } - - return NULL; -} - - -int32_t -rpc_transport_submit_request (rpc_transport_t *this, rpc_transport_req_t *req) -{ - int32_t ret = -1; - rpc_transport_t *peer_trans = NULL; - rpc_transport_pollin_t *pollin = NULL; - rpc_transport_handover_t *handover_msg = NULL; - rpc_transport_rsp_t *rsp = NULL; - - if (this->peer_trans) { - peer_trans = this->peer_trans; - - rsp = GF_CALLOC (1, sizeof (*rsp), gf_common_mt_rpc_trans_rsp_t); - if (!rsp) { - ret = -ENOMEM; - goto fail; - } - - *rsp = req->rsp; - - pollin = rpc_transport_same_process_pollin_alloc (this, req->msg.rpchdr, - req->msg.rpchdrcount, - req->msg.proghdr, - req->msg.proghdrcount, - req->msg.progpayload, - req->msg.progpayloadcount, - rsp, 1); - if (!pollin) { - GF_FREE (rsp); - ret = -ENOMEM; - goto fail; - } - - handover_msg = rpc_transport_handover_alloc (pollin); - if (!handover_msg) { - rpc_transport_pollin_destroy (pollin); - ret = -ENOMEM; - goto fail; - } - - pthread_mutex_lock (&peer_trans->handover.mutex); - { - list_add_tail (&handover_msg->list, - &peer_trans->handover.msgs); - pthread_cond_broadcast (&peer_trans->handover.cond); - } - pthread_mutex_unlock (&peer_trans->handover.mutex); - - return 0; - } - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - GF_VALIDATE_OR_GOTO("rpc_transport", this->ops, fail); - - ret = this->ops->submit_request (this, req); -fail: - return ret; -} - - -int32_t -rpc_transport_submit_reply (rpc_transport_t *this, rpc_transport_reply_t *reply) -{ - int32_t ret = -1; - rpc_transport_t *peer_trans = NULL; - rpc_transport_pollin_t *pollin = NULL; - rpc_transport_handover_t *handover_msg = NULL; - - if (this->peer_trans) { - peer_trans = this->peer_trans; - - pollin = rpc_transport_same_process_pollin_alloc (this, reply->msg.rpchdr, - reply->msg.rpchdrcount, - reply->msg.proghdr, - reply->msg.proghdrcount, - reply->msg.progpayload, - reply->msg.progpayloadcount, - reply->private, 0); - if (!pollin) { - return -ENOMEM; - } - - handover_msg = rpc_transport_handover_alloc (pollin); - if (!handover_msg) { - rpc_transport_pollin_destroy (pollin); - return -ENOMEM; - } - - pthread_mutex_lock (&peer_trans->handover.mutex); - { - list_add_tail (&handover_msg->list, - &peer_trans->handover.msgs); - pthread_cond_broadcast (&peer_trans->handover.cond); - } - pthread_mutex_unlock (&peer_trans->handover.mutex); - - return 0; - } - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - GF_VALIDATE_OR_GOTO("rpc_transport", this->ops, fail); - - ret = this->ops->submit_reply (this, reply); -fail: - return ret; -} - - -int32_t -rpc_transport_connect (rpc_transport_t *this) -{ - int ret = -1; - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - - ret = this->ops->connect (this); -fail: - return ret; -} - - -int32_t -rpc_transport_listen (rpc_transport_t *this) -{ - int ret = -1; - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - - ret = this->ops->listen (this); -fail: - return ret; -} - - -int32_t -rpc_transport_disconnect (rpc_transport_t *this) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - - ret = this->ops->disconnect (this); -fail: - return ret; -} - - -int32_t -rpc_transport_destroy (rpc_transport_t *this) -{ - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - - if (this->fini) - this->fini (this); - pthread_mutex_destroy (&this->lock); - GF_FREE (this); -fail: - return ret; -} - - -rpc_transport_t * -rpc_transport_ref (rpc_transport_t *this) -{ - rpc_transport_t *return_this = NULL; - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - - pthread_mutex_lock (&this->lock); - { - this->refcount ++; - } - pthread_mutex_unlock (&this->lock); - - return_this = this; -fail: - return return_this; -} - - -int32_t -rpc_transport_unref (rpc_transport_t *this) -{ - int32_t refcount = 0; - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO("rpc_transport", this, fail); - - pthread_mutex_lock (&this->lock); - { - refcount = --this->refcount; - } - pthread_mutex_unlock (&this->lock); - - if (refcount == 0) { - /* xlator_notify (this->xl, GF_EVENT_RPC_TRANSPORT_CLEANUP, - this); */ - rpc_transport_destroy (this); - } - - ret = 0; -fail: - return ret; -} - - -int32_t -rpc_transport_notify (rpc_transport_t *this, rpc_transport_event_t event, - void *data, ...) -{ - int32_t ret = -1; - - if (this == NULL) { - goto out; - } - - //ret = this->notify (this, this->notify_data, event, data); - ret = this->notify (this, this->mydata, event, data); -out: - return ret; -} - - -void * -rpc_transport_peerproc (void *trans_data) -{ - rpc_transport_t *trans = NULL; - rpc_transport_handover_t *msg = NULL; - - trans = trans_data; - - while (1) { - pthread_mutex_lock (&trans->handover.mutex); - { - while (list_empty (&trans->handover.msgs)) - pthread_cond_wait (&trans->handover.cond, - &trans->handover.mutex); - - msg = list_entry (trans->handover.msgs.next, - rpc_transport_handover_t, list); - - list_del_init (&msg->list); - } - pthread_mutex_unlock (&trans->handover.mutex); - - rpc_transport_notify (trans, RPC_TRANSPORT_MSG_RECEIVED, msg->pollin); - rpc_transport_handover_destroy (msg); - } -} - - -int -rpc_transport_setpeer (rpc_transport_t *trans, rpc_transport_t *peer_trans) -{ - trans->peer_trans = rpc_transport_ref (peer_trans); - - INIT_LIST_HEAD (&trans->handover.msgs); - pthread_cond_init (&trans->handover.cond, NULL); - pthread_mutex_init (&trans->handover.mutex, NULL); - pthread_create (&trans->handover.thread, NULL, - rpc_transport_peerproc, trans); - - peer_trans->peer_trans = rpc_transport_ref (trans); - - INIT_LIST_HEAD (&peer_trans->handover.msgs); - pthread_cond_init (&peer_trans->handover.cond, NULL); - pthread_mutex_init (&peer_trans->handover.mutex, NULL); - pthread_create (&peer_trans->handover.thread, NULL, - rpc_transport_peerproc, peer_trans); - - return 0; -} - - -inline int -rpc_transport_register_notify (rpc_transport_t *trans, - rpc_transport_notify_t notify, void *mydata) -{ - int ret = -1; - - if (trans == NULL) { - goto out; - } - - trans->notify = notify; - trans->mydata = mydata; - - ret = 0; -out: - return ret; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/rpc-transport.h b/xlators/protocol/rpc/rpc-lib/src/rpc-transport.h deleted file mode 100644 index b3c7985e0..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpc-transport.h +++ /dev/null @@ -1,288 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef __RPC_TRANSPORT_H__ -#define __RPC_TRANSPORT_H__ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <inttypes.h> -#include <rpc/rpc.h> -#include <rpc/auth.h> -#include <rpc/rpc_msg.h> - -/* Given the 4-byte fragment header, returns non-zero if this fragment - * is the last fragment for the RPC record being assemebled. - * RPC Record marking standard defines a 32 bit value as the fragment - * header with the MSB signifying whether the fragment is the last - * fragment for the record being asembled. - */ -#define RPC_LASTFRAG(fraghdr) ((uint32_t)(fraghdr & 0x80000000U)) - -/* Given the 4-byte fragment header, extracts the bits that contain - * the fragment size. - */ -#define RPC_FRAGSIZE(fraghdr) ((uint32_t)(fraghdr & 0x7fffffffU)) - -#define RPC_FRAGHDR_SIZE 4 -#define RPC_MSGTYPE_SIZE 8 - -/* size of the msg from the start of call-body till and including credlen */ -#define RPC_CALL_BODY_SIZE 24 - -#define RPC_REPLY_STATUS_SIZE 4 - -#define RPC_AUTH_FLAVOUR_N_LENGTH_SIZE 8 - -#define RPC_ACCEPT_STATUS_LEN 4 - -struct rpc_transport_ops; -typedef struct rpc_transport rpc_transport_t; - -#include "dict.h" -#include "compat.h" -#include "rpcsvc-common.h" - -struct peer_info { - struct sockaddr_storage sockaddr; - socklen_t sockaddr_len; - char identifier[UNIX_PATH_MAX]; -}; -typedef struct peer_info peer_info_t; - -typedef enum msg_type msg_type_t; - -typedef enum { - RPC_TRANSPORT_ACCEPT, /* New client has been accepted */ - RPC_TRANSPORT_DISCONNECT, /* Connection is disconnected */ - RPC_TRANSPORT_CLEANUP, /* connection is about to be freed */ - /*RPC_TRANSPORT_READ,*/ /* An event used to enable rpcsvc to instruct - * transport the number of bytes to read. - * This helps in reading large msgs, wherein - * the rpc actors might decide to place the - * actor's payload in new iobufs separate - * from the rpc header, proghdr and - * authentication information. glusterfs/nfs - * read and write actors are few examples - * that might beniefit from this. While - * reading a single msg, this event may be - * delivered more than once. - */ - RPC_TRANSPORT_MAP_XID_REQUEST, /* reciever of this event should send - * the prognum and procnum corresponding - * to xid. - */ - RPC_TRANSPORT_MSG_RECEIVED, /* Complete rpc msg has been read */ - RPC_TRANSPORT_CONNECT, /* client is connected to server */ - RPC_TRANSPORT_MSG_SENT, -} rpc_transport_event_t; - -struct rpc_transport_msg { - struct iovec *rpchdr; - int rpchdrcount; - struct iovec *proghdr; - int proghdrcount; - struct iovec *progpayload; - int progpayloadcount; - struct iobref *iobref; -}; -typedef struct rpc_transport_msg rpc_transport_msg_t; - -struct rpc_transport_rsp { - /* as of now, the entire rsp payload is read into rspbuf and hence - * rspcount is always set to one. - */ - struct iovec *rspvec; - int rspcount; - struct iobuf *rspbuf; -}; -typedef struct rpc_transport_rsp rpc_transport_rsp_t; - -struct rpc_transport_req { - rpc_transport_msg_t msg; - rpc_transport_rsp_t rsp; -}; -typedef struct rpc_transport_req rpc_transport_req_t; - -struct rpc_transport_reply { - rpc_transport_msg_t msg; - void *private; -}; -typedef struct rpc_transport_reply rpc_transport_reply_t; - -struct rpc_request_info { - uint32_t xid; - int prognum; - int progver; - int procnum; - rpc_transport_rsp_t rsp; -}; -typedef struct rpc_request_info rpc_request_info_t; - - -struct rpc_transport_pollin { - union { - struct vectored { - struct iobuf *iobuf1; - size_t size1; - struct iobuf *iobuf2; - size_t size2; - } vector; - struct simple { - struct iobuf *iobuf; - size_t size; - } simple; - } data; - char vectored; - void *private; -}; -typedef struct rpc_transport_pollin rpc_transport_pollin_t; - -typedef int (*rpc_transport_notify_t) (rpc_transport_t *, void *mydata, - rpc_transport_event_t, void *data, ...); -struct rpc_transport { - struct rpc_transport_ops *ops; - void *private; - void *xl_private; - void *mydata; - pthread_mutex_t lock; - int32_t refcount; - - glusterfs_ctx_t *ctx; - dict_t *options; - char *name; - void *dnscache; - data_t *buf; - int32_t (*init) (rpc_transport_t *this); - void (*fini) (rpc_transport_t *this); - rpc_transport_notify_t notify; - void *notify_data; - peer_info_t peerinfo; - peer_info_t myinfo; - - rpc_transport_t *peer_trans; - struct { - pthread_mutex_t mutex; - pthread_cond_t cond; - pthread_t thread; - struct list_head msgs; - /* any request/reply will be transformed as pollin data on the - * peer, hence we are building up a pollin data even before - * handing it over to peer rpc_transport. In order to decide whether - * the pollin data is vectored or simple, we follow a simple - * algo i.e., if there is a progpayload in request/reply, its - * considered vectored, otherwise its a simple pollin data. - */ - rpc_transport_pollin_t *msg; - } handover; -}; - -typedef struct { - rpc_transport_pollin_t *pollin; - struct list_head list; -} rpc_transport_handover_t; - -struct rpc_transport_ops { - /* no need of receive op, msg will be delivered through an event - * notification - */ - int32_t (*submit_request) (rpc_transport_t *this, - rpc_transport_req_t *req); - int32_t (*submit_reply) (rpc_transport_t *this, - rpc_transport_reply_t *reply); - int32_t (*connect) (rpc_transport_t *this); - int32_t (*listen) (rpc_transport_t *this); - int32_t (*disconnect) (rpc_transport_t *this); - int32_t (*get_peername) (rpc_transport_t *this, char *hostname, - int hostlen); - int32_t (*get_peeraddr) (rpc_transport_t *this, char *peeraddr, - int addrlen, struct sockaddr *sa, - socklen_t sasize); - int32_t (*get_myname) (rpc_transport_t *this, char *hostname, - int hostlen); - int32_t (*get_myaddr) (rpc_transport_t *this, char *peeraddr, - int addrlen, struct sockaddr *sa, - socklen_t sasize); -}; - - -int32_t -rpc_transport_listen (rpc_transport_t *this); - -int32_t -rpc_transport_connect (rpc_transport_t *this); - -int32_t -rpc_transport_disconnect (rpc_transport_t *this); - -int32_t -rpc_transport_notify (rpc_transport_t *this, rpc_transport_event_t event, - void *data, ...); - -int32_t -rpc_transport_submit_request (rpc_transport_t *this, rpc_transport_req_t *req); - -int32_t -rpc_transport_submit_reply (rpc_transport_t *this, - rpc_transport_reply_t *reply); - -int32_t -rpc_transport_destroy (rpc_transport_t *this); - -rpc_transport_t * -rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *name); - -rpc_transport_t * -rpc_transport_ref (rpc_transport_t *trans); - -int32_t -rpc_transport_unref (rpc_transport_t *trans); - -int -rpc_transport_setpeer (rpc_transport_t *trans, rpc_transport_t *trans_peer); - -int -rpc_transport_register_notify (rpc_transport_t *trans, rpc_transport_notify_t, - void *mydata); - -int32_t -rpc_transport_get_peername (rpc_transport_t *this, char *hostname, int hostlen); - -int32_t -rpc_transport_get_peeraddr (rpc_transport_t *this, char *peeraddr, int addrlen, - struct sockaddr *sa, size_t salen); - -int32_t -rpc_transport_get_myname (rpc_transport_t *this, char *hostname, int hostlen); - -int32_t -rpc_transport_get_myaddr (rpc_transport_t *this, char *peeraddr, int addrlen, - struct sockaddr *sa, size_t salen); - -rpc_transport_pollin_t * -rpc_transport_pollin_alloc (rpc_transport_t *this, struct iobuf *iobuf, - size_t iobuf_size, struct iobuf *vectoriob, - size_t vectoriob_size, void *private); -void -rpc_transport_pollin_destroy (rpc_transport_pollin_t *pollin); - -#endif /* __RPC_TRANSPORT_H__ */ diff --git a/xlators/protocol/rpc/rpc-lib/src/rpcsvc-auth.c b/xlators/protocol/rpc/rpc-lib/src/rpcsvc-auth.c deleted file mode 100644 index fa039c386..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpcsvc-auth.c +++ /dev/null @@ -1,409 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include "rpcsvc.h" -#include "logging.h" -#include "dict.h" - -extern rpcsvc_auth_t * -rpcsvc_auth_null_init (rpcsvc_t *svc, dict_t *options); - -extern rpcsvc_auth_t * -rpcsvc_auth_unix_init (rpcsvc_t *svc, dict_t *options); - -extern rpcsvc_auth_t * -rpcsvc_auth_glusterfs_init (rpcsvc_t *svc, dict_t *options); - -int -rpcsvc_auth_add_initer (struct list_head *list, char *idfier, - rpcsvc_auth_initer_t init) -{ - struct rpcsvc_auth_list *new = NULL; - - if ((!list) || (!init) || (!idfier)) - return -1; - - new = GF_CALLOC (1, sizeof (*new), gf_common_mt_rpcsvc_auth_list); - if (!new) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Memory allocation failed"); - return -1; - } - - new->init = init; - strcpy (new->name, idfier); - INIT_LIST_HEAD (&new->authlist); - list_add_tail (&new->authlist, list); - return 0; -} - - - -int -rpcsvc_auth_add_initers (rpcsvc_t *svc) -{ - int ret = -1; - - ret = rpcsvc_auth_add_initer (&svc->authschemes, "auth-glusterfs", - (rpcsvc_auth_initer_t) - rpcsvc_auth_glusterfs_init); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to add AUTH_GLUSTERFS"); - goto err; - } - - ret = rpcsvc_auth_add_initer (&svc->authschemes, "auth-unix", - (rpcsvc_auth_initer_t) - rpcsvc_auth_unix_init); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to add AUTH_UNIX"); - goto err; - } - - ret = rpcsvc_auth_add_initer (&svc->authschemes, "auth-null", - (rpcsvc_auth_initer_t) - rpcsvc_auth_null_init); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to add AUTH_NULL"); - goto err; - } - - ret = 0; -err: - return 0; -} - - -int -rpcsvc_auth_init_auth (rpcsvc_t *svc, dict_t *options, - struct rpcsvc_auth_list *authitem) -{ - int ret = -1; - - if ((!svc) || (!options) || (!authitem)) - return -1; - - if (!authitem->init) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "No init function defined"); - ret = -1; - goto err; - } - - authitem->auth = authitem->init (svc, options); - if (!authitem->auth) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Registration of auth failed:" - " %s", authitem->name); - ret = -1; - goto err; - } - - authitem->enable = 1; - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Authentication enabled: %s", - authitem->auth->authname); - - ret = 0; -err: - return ret; -} - - -int -rpcsvc_auth_init_auths (rpcsvc_t *svc, dict_t *options) -{ - int ret = -1; - struct rpcsvc_auth_list *auth = NULL; - struct rpcsvc_auth_list *tmp = NULL; - - if (!svc) - return -1; - - if (list_empty (&svc->authschemes)) { - gf_log (GF_RPCSVC, GF_LOG_WARNING, "No authentication!"); - ret = 0; - goto err; - } - - /* If auth null and sys are not disabled by the user, we must enable - * it by default. This is a globally default rule, the user is still - * allowed to disable the two for particular subvolumes. - */ - if (!dict_get (options, "rpc-auth.auth-null")) - ret = dict_set_str (options, "rpc-auth.auth-null", "on"); - - if (!dict_get (options, "rpc-auth.auth-unix")) - ret = dict_set_str (options, "rpc-auth.auth-unix", "on"); - - if (!dict_get (options, "rpc-auth.auth-glusterfs")) - ret = dict_set_str (options, "rpc-auth.auth-glusterfs", "on"); - - list_for_each_entry_safe (auth, tmp, &svc->authschemes, authlist) { - ret = rpcsvc_auth_init_auth (svc, options, auth); - if (ret == -1) - goto err; - } - - ret = 0; -err: - return ret; - -} - -int -rpcsvc_auth_init (rpcsvc_t *svc, dict_t *options) -{ - int ret = -1; - - if ((!svc) || (!options)) - return -1; - - ret = rpcsvc_auth_add_initers (svc); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to add initers"); - goto out; - } - - ret = rpcsvc_auth_init_auths (svc, options); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to init auth schemes"); - goto out; - } - -out: - return ret; -} - - -rpcsvc_auth_t * -__rpcsvc_auth_get_handler (rpcsvc_request_t *req) -{ - int ret = -1; - struct rpcsvc_auth_list *auth = NULL; - struct rpcsvc_auth_list *tmp = NULL; - rpcsvc_t *svc = NULL; - - if (!req) - return NULL; - - svc = rpcsvc_request_service (req); - if (!svc) - gf_log ("", 1, "something wrong, !svc"); - - if (list_empty (&svc->authschemes)) { - gf_log (GF_RPCSVC, GF_LOG_WARNING, "No authentication!"); - ret = 0; - goto err; - } - - list_for_each_entry_safe (auth, tmp, &svc->authschemes, authlist) { - if (!auth->enable) - continue; - if (auth->auth->authnum == req->cred.flavour) - goto err; - - } - - auth = NULL; -err: - if (auth) - return auth->auth; - else - return NULL; -} - -rpcsvc_auth_t * -rpcsvc_auth_get_handler (rpcsvc_request_t *req) -{ - rpcsvc_auth_t *auth = NULL; - - auth = __rpcsvc_auth_get_handler (req); - if (auth) - goto ret; - - gf_log (GF_RPCSVC, GF_LOG_TRACE, "No auth handler: %d", - req->cred.flavour); - - /* The requested scheme was not available so fall back the to one - * scheme that will always be present. - */ - req->cred.flavour = AUTH_NULL; - req->verf.flavour = AUTH_NULL; - auth = __rpcsvc_auth_get_handler (req); -ret: - return auth; -} - - -int -rpcsvc_auth_request_init (rpcsvc_request_t *req) -{ - int ret = -1; - rpcsvc_auth_t *auth = NULL; - - if (!req) - return -1; - - auth = rpcsvc_auth_get_handler (req); - if (!auth) - goto err; - ret = 0; - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Auth handler: %s", auth->authname); - if (!auth->authops->request_init) - ret = auth->authops->request_init (req, auth->authprivate); - -err: - return ret; -} - - -int -rpcsvc_authenticate (rpcsvc_request_t *req) -{ - int ret = RPCSVC_AUTH_REJECT; - rpcsvc_auth_t *auth = NULL; - int minauth = 0; - - if (!req) - return ret; - - //minauth = rpcsvc_request_prog_minauth (req); - minauth = 1; - if (minauth > rpcsvc_request_cred_flavour (req)) { - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "Auth too weak"); - rpcsvc_request_set_autherr (req, AUTH_TOOWEAK); - goto err; - } - - auth = rpcsvc_auth_get_handler (req); - if (!auth) { - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "No auth handler found"); - goto err; - } - - if (auth->authops->authenticate) - ret = auth->authops->authenticate (req, auth->authprivate); - -err: - return ret; -} - - -int -rpcsvc_auth_array (rpcsvc_t *svc, char *volname, int *autharr, int arrlen) -{ - int count = 0; - int gen = RPCSVC_AUTH_REJECT; - int spec = RPCSVC_AUTH_REJECT; - int final = RPCSVC_AUTH_REJECT; - char *srchstr = NULL; - char *valstr = NULL; - gf_boolean_t boolval = _gf_false; - int ret = 0; - - struct rpcsvc_auth_list *auth = NULL; - struct rpcsvc_auth_list *tmp = NULL; - - if ((!svc) || (!autharr) || (!volname)) - return -1; - - memset (autharr, 0, arrlen * sizeof(int)); - if (list_empty (&svc->authschemes)) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "No authentication!"); - goto err; - } - - list_for_each_entry_safe (auth, tmp, &svc->authschemes, authlist) { - if (count >= arrlen) - break; - - gen = gf_asprintf (&srchstr, "rpc-auth.%s", auth->name); - if (gen == -1) { - count = -1; - goto err; - } - - gen = RPCSVC_AUTH_REJECT; - if (dict_get (svc->options, srchstr)) { - ret = dict_get_str (svc->options, srchstr, &valstr); - if (ret == 0) { - ret = gf_string2boolean (valstr, &boolval); - if (ret == 0) { - if (boolval == _gf_true) - gen = RPCSVC_AUTH_ACCEPT; - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Faile" - "d to read auth val"); - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Faile" - "d to read auth val"); - } - - GF_FREE (srchstr); - spec = gf_asprintf (&srchstr, "rpc-auth.%s.%s", auth->name, - volname); - if (spec == -1) { - count = -1; - goto err; - } - - spec = RPCSVC_AUTH_DONTCARE; - if (dict_get (svc->options, srchstr)) { - ret = dict_get_str (svc->options, srchstr, &valstr); - if (ret == 0) { - ret = gf_string2boolean (valstr, &boolval); - if (ret == 0) { - if (boolval == _gf_true) - spec = RPCSVC_AUTH_ACCEPT; - else - spec = RPCSVC_AUTH_REJECT; - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Faile" - "d to read auth val"); - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Faile" - "d to read auth val"); - } - - GF_FREE (srchstr); - final = rpcsvc_combine_gen_spec_volume_checks (gen, spec); - if (final == RPCSVC_AUTH_ACCEPT) { - autharr[count] = auth->auth->authnum; - ++count; - } - } - -err: - return count; -} - - -gid_t * -rpcsvc_auth_unix_auxgids (rpcsvc_request_t *req, int *arrlen) -{ - if ((!req) || (!arrlen)) - return NULL; - - if ((req->cred.flavour != AUTH_UNIX) || - (req->cred.flavour != AUTH_GLUSTERFS)) - return NULL; - - *arrlen = req->auxgidcount; - if (*arrlen == 0) - return NULL; - - return &req->auxgids[0]; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/rpcsvc-common.h b/xlators/protocol/rpc/rpc-lib/src/rpcsvc-common.h deleted file mode 100644 index 0b9d84cfd..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpcsvc-common.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _RPCSVC_COMMON_H -#define _RPCSVC_COMMON_H - -#include <pthread.h> -#include "list.h" -#include "compat.h" -#include "glusterfs.h" -#include "dict.h" - -typedef enum { - RPCSVC_EVENT_ACCEPT, - RPCSVC_EVENT_DISCONNECT, - RPCSVC_EVENT_LISTENER_DEAD, -} rpcsvc_event_t; - - -struct rpcsvc_state; - -typedef int (*rpcsvc_notify_t) (struct rpcsvc_state *, void *mydata, - rpcsvc_event_t, void *data); - - -/* Contains global state required for all the RPC services. - */ -typedef struct rpcsvc_state { - - /* Contains list of (program, version) handlers. - * other options. - */ - - pthread_mutex_t rpclock; - - unsigned int memfactor; - - /* List of the authentication schemes available. */ - struct list_head authschemes; - - /* Reference to the options */ - dict_t *options; - - /* Allow insecure ports. */ - int allow_insecure; - - glusterfs_ctx_t *ctx; - - void *listener; - - /* list of connections which will listen for incoming connections */ - struct list_head listeners; - - /* list of programs registered with rpcsvc */ - struct list_head programs; - - /* list of notification callbacks */ - struct list_head notify; - int notify_count; - - void *mydata; /* This is xlator */ - rpcsvc_notify_t notifyfn; - -} rpcsvc_t; - - -#endif /* #ifndef _RPCSVC_COMMON_H */ diff --git a/xlators/protocol/rpc/rpc-lib/src/rpcsvc.c b/xlators/protocol/rpc/rpc-lib/src/rpcsvc.c deleted file mode 100644 index e07cb8ee7..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpcsvc.c +++ /dev/null @@ -1,2015 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "rpcsvc.h" -#include "rpc-transport.h" -#include "dict.h" -#include "logging.h" -#include "byte-order.h" -#include "common-utils.h" -#include "compat-errno.h" -#include "list.h" -#include "xdr-rpc.h" -#include "iobuf.h" -#include "globals.h" - -#include <errno.h> -#include <pthread.h> -#include <stdlib.h> -#include <rpc/rpc.h> -#include <rpc/pmap_clnt.h> -#include <arpa/inet.h> -#include <rpc/xdr.h> -#include <fnmatch.h> -#include <stdarg.h> -#include <stdio.h> - - -#define rpcsvc_alloc_request(con, request) \ - do { \ - request = (rpcsvc_request_t *) mem_get ((con)->rxpool); \ - memset (request, 0, sizeof (rpcsvc_request_t)); \ - } while (0) - - -int -rpcsvc_conn_peer_check_search (dict_t *options, char *pattern, char *clstr) -{ - int ret = -1; - char *addrtok = NULL; - char *addrstr = NULL; - char *svptr = NULL; - - if ((!options) || (!clstr)) - return -1; - - if (!dict_get (options, pattern)) - return -1; - - ret = dict_get_str (options, pattern, &addrstr); - if (ret < 0) { - ret = -1; - goto err; - } - - if (!addrstr) { - ret = -1; - goto err; - } - - addrtok = strtok_r (addrstr, ",", &svptr); - while (addrtok) { - - ret = fnmatch (addrtok, clstr, FNM_CASEFOLD); - if (ret == 0) - goto err; - - addrtok = strtok_r (NULL, ",", &svptr); - } - - ret = -1; -err: - - return ret; -} - - -int -rpcsvc_conn_peer_check_allow (dict_t *options, char *volname, char *clstr) -{ - int ret = RPCSVC_AUTH_DONTCARE; - char *srchstr = NULL; - char globalrule[] = "rpc-auth.addr.allow"; - - if ((!options) || (!clstr)) - return ret; - - /* If volname is NULL, then we're searching for the general rule to - * determine the current address in clstr is allowed or not for all - * subvolumes. - */ - if (volname) { - ret = gf_asprintf (&srchstr, "rpc-auth.addr.%s.allow", volname); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "asprintf failed"); - ret = RPCSVC_AUTH_DONTCARE; - goto out; - } - } else - srchstr = globalrule; - - ret = rpcsvc_conn_peer_check_search (options, srchstr, clstr); - if (volname) - GF_FREE (srchstr); - - if (ret == 0) - ret = RPCSVC_AUTH_ACCEPT; - else - ret = RPCSVC_AUTH_DONTCARE; -out: - return ret; -} - -int -rpcsvc_conn_peer_check_reject (dict_t *options, char *volname, char *clstr) -{ - int ret = RPCSVC_AUTH_DONTCARE; - char *srchstr = NULL; - char generalrule[] = "rpc-auth.addr.reject"; - - if ((!options) || (!clstr)) - return ret; - - if (volname) { - ret = gf_asprintf (&srchstr, "rpc-auth.addr.%s.reject", volname); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "asprintf failed"); - ret = RPCSVC_AUTH_REJECT; - goto out; - } - } else - srchstr = generalrule; - - ret = rpcsvc_conn_peer_check_search (options, srchstr, clstr); - if (volname) - GF_FREE (srchstr); - - if (ret == 0) - ret = RPCSVC_AUTH_REJECT; - else - ret = RPCSVC_AUTH_DONTCARE; -out: - return ret; -} - - -/* This function tests the results of the allow rule and the reject rule to - * combine them into a single result that can be used to determine if the - * connection should be allowed to proceed. - * Heres the test matrix we need to follow in this function. - * - * A - Allow, the result of the allow test. Never returns R. - * R - Reject, result of the reject test. Never returns A. - * Both can return D or dont care if no rule was given. - * - * | @allow | @reject | Result | - * | A | R | R | - * | D | D | D | - * | A | D | A | - * | D | R | R | - */ -int -rpcsvc_combine_allow_reject_volume_check (int allow, int reject) -{ - int final = RPCSVC_AUTH_REJECT; - - /* If allowed rule allows but reject rule rejects, we stay cautious - * and reject. */ - if ((allow == RPCSVC_AUTH_ACCEPT) && (reject == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - /* if both are dont care, that is user did not specify for either allow - * or reject, we leave it up to the general rule to apply, in the hope - * that there is one. - */ - else if ((allow == RPCSVC_AUTH_DONTCARE) && - (reject == RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_DONTCARE; - /* If one is dont care, the other one applies. */ - else if ((allow == RPCSVC_AUTH_ACCEPT) && - (reject == RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_ACCEPT; - else if ((allow == RPCSVC_AUTH_DONTCARE) && - (reject == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - - return final; -} - - -/* Combines the result of the general rule test against, the specific rule - * to determine final permission for the client's address. - * - * | @gen | @spec | Result | - * | A | A | A | - * | A | R | R | - * | A | D | A | - * | D | A | A | - * | D | R | R | - * | D | D | D | - * | R | A | A | - * | R | D | R | - * | R | R | R | - */ -int -rpcsvc_combine_gen_spec_addr_checks (int gen, int spec) -{ - int final = RPCSVC_AUTH_REJECT; - - if ((gen == RPCSVC_AUTH_ACCEPT) && (spec == RPCSVC_AUTH_ACCEPT)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_ACCEPT) && (spec == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - else if ((gen == RPCSVC_AUTH_ACCEPT) && (spec == RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_DONTCARE) && (spec == RPCSVC_AUTH_ACCEPT)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_DONTCARE) && (spec == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - else if ((gen == RPCSVC_AUTH_DONTCARE) && (spec== RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_DONTCARE; - else if ((gen == RPCSVC_AUTH_REJECT) && (spec == RPCSVC_AUTH_ACCEPT)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_REJECT) && (spec == RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_REJECT; - else if ((gen == RPCSVC_AUTH_REJECT) && (spec == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - - return final; -} - - - -/* Combines the result of the general rule test against, the specific rule - * to determine final test for the connection coming in for a given volume. - * - * | @gen | @spec | Result | - * | A | A | A | - * | A | R | R | - * | A | D | A | - * | D | A | A | - * | D | R | R | - * | D | D | R |, special case, we intentionally disallow this. - * | R | A | A | - * | R | D | R | - * | R | R | R | - */ -int -rpcsvc_combine_gen_spec_volume_checks (int gen, int spec) -{ - int final = RPCSVC_AUTH_REJECT; - - if ((gen == RPCSVC_AUTH_ACCEPT) && (spec == RPCSVC_AUTH_ACCEPT)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_ACCEPT) && (spec == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - else if ((gen == RPCSVC_AUTH_ACCEPT) && (spec == RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_DONTCARE) && (spec == RPCSVC_AUTH_ACCEPT)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_DONTCARE) && (spec == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - /* On no rule, we reject. */ - else if ((gen == RPCSVC_AUTH_DONTCARE) && (spec== RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_REJECT; - else if ((gen == RPCSVC_AUTH_REJECT) && (spec == RPCSVC_AUTH_ACCEPT)) - final = RPCSVC_AUTH_ACCEPT; - else if ((gen == RPCSVC_AUTH_REJECT) && (spec == RPCSVC_AUTH_DONTCARE)) - final = RPCSVC_AUTH_REJECT; - else if ((gen == RPCSVC_AUTH_REJECT) && (spec == RPCSVC_AUTH_REJECT)) - final = RPCSVC_AUTH_REJECT; - - return final; -} - - -int -rpcsvc_conn_peer_check_name (dict_t *options, char *volname, - rpcsvc_conn_t *conn) -{ - int ret = RPCSVC_AUTH_REJECT; - int aret = RPCSVC_AUTH_REJECT; - int rjret = RPCSVC_AUTH_REJECT; - char clstr[RPCSVC_PEER_STRLEN]; - - if (!conn) - return ret; - - ret = rpcsvc_conn_peername (conn, clstr, RPCSVC_PEER_STRLEN); - if (ret != 0) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to get remote addr: " - "%s", gai_strerror (ret)); - ret = RPCSVC_AUTH_REJECT; - goto err; - } - - aret = rpcsvc_conn_peer_check_allow (options, volname, clstr); - rjret = rpcsvc_conn_peer_check_reject (options, volname, clstr); - - ret = rpcsvc_combine_allow_reject_volume_check (aret, rjret); - -err: - return ret; -} - - -int -rpcsvc_conn_peer_check_addr (dict_t *options, char *volname,rpcsvc_conn_t *conn) -{ - int ret = RPCSVC_AUTH_REJECT; - int aret = RPCSVC_AUTH_DONTCARE; - int rjret = RPCSVC_AUTH_REJECT; - char clstr[RPCSVC_PEER_STRLEN]; - - if (!conn) - return ret; - - ret = rpcsvc_conn_peeraddr (conn, clstr, RPCSVC_PEER_STRLEN, NULL, 0); - if (ret != 0) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to get remote addr: " - "%s", gai_strerror (ret)); - ret = RPCSVC_AUTH_REJECT; - goto err; - } - - aret = rpcsvc_conn_peer_check_allow (options, volname, clstr); - rjret = rpcsvc_conn_peer_check_reject (options, volname, clstr); - - ret = rpcsvc_combine_allow_reject_volume_check (aret, rjret); -err: - return ret; -} - - -int -rpcsvc_conn_check_volume_specific (dict_t *options, char *volname, - rpcsvc_conn_t *conn) -{ - int namechk = RPCSVC_AUTH_REJECT; - int addrchk = RPCSVC_AUTH_REJECT; - gf_boolean_t namelookup = _gf_true; - char *namestr = NULL; - int ret = 0; - - if ((!options) || (!volname) || (!conn)) - return RPCSVC_AUTH_REJECT; - - /* Enabled by default */ - if ((dict_get (options, "rpc-auth.addr.namelookup"))) { - ret = dict_get_str (options, "rpc-auth.addr.namelookup" - , &namestr); - if (ret == 0) - ret = gf_string2boolean (namestr, &namelookup); - } - - /* We need two separate checks because the rules with addresses in them - * can be network addresses which can be general and names can be - * specific which will over-ride the network address rules. - */ - if (namelookup) - namechk = rpcsvc_conn_peer_check_name (options, volname, conn); - addrchk = rpcsvc_conn_peer_check_addr (options, volname, conn); - - if (namelookup) - ret = rpcsvc_combine_gen_spec_addr_checks (addrchk, namechk); - else - ret = addrchk; - - return ret; -} - - -int -rpcsvc_conn_check_volume_general (dict_t *options, rpcsvc_conn_t *conn) -{ - int addrchk = RPCSVC_AUTH_REJECT; - int namechk = RPCSVC_AUTH_REJECT; - gf_boolean_t namelookup = _gf_true; - char *namestr = NULL; - int ret = 0; - - if ((!options) || (!conn)) - return RPCSVC_AUTH_REJECT; - - /* Enabled by default */ - if ((dict_get (options, "rpc-auth.addr.namelookup"))) { - ret = dict_get_str (options, "rpc-auth.addr.namelookup" - , &namestr); - if (ret == 0) - ret = gf_string2boolean (namestr, &namelookup); - } - - /* We need two separate checks because the rules with addresses in them - * can be network addresses which can be general and names can be - * specific which will over-ride the network address rules. - */ - if (namelookup) - namechk = rpcsvc_conn_peer_check_name (options, NULL, conn); - addrchk = rpcsvc_conn_peer_check_addr (options, NULL, conn); - - if (namelookup) - ret = rpcsvc_combine_gen_spec_addr_checks (addrchk, namechk); - else - ret = addrchk; - - return ret; -} - -int -rpcsvc_conn_peer_check (dict_t *options, char *volname, rpcsvc_conn_t *conn) -{ - int general_chk = RPCSVC_AUTH_REJECT; - int specific_chk = RPCSVC_AUTH_REJECT; - - if ((!options) || (!volname) || (!conn)) - return RPCSVC_AUTH_REJECT; - - general_chk = rpcsvc_conn_check_volume_general (options, conn); - specific_chk = rpcsvc_conn_check_volume_specific (options, volname, - conn); - - return rpcsvc_combine_gen_spec_volume_checks (general_chk,specific_chk); -} - - -char * -rpcsvc_volume_allowed (dict_t *options, char *volname) -{ - char globalrule[] = "rpc-auth.addr.allow"; - char *srchstr = NULL; - char *addrstr = NULL; - int ret = -1; - - if ((!options) || (!volname)) - return NULL; - - ret = gf_asprintf (&srchstr, "rpc-auth.addr.%s.allow", volname); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "asprintf failed"); - goto out; - } - - if (!dict_get (options, srchstr)) { - GF_FREE (srchstr); - srchstr = globalrule; - ret = dict_get_str (options, srchstr, &addrstr); - } else - ret = dict_get_str (options, srchstr, &addrstr); - -out: - return addrstr; -} - - - -/* Initialize the core of a connection */ -rpcsvc_conn_t * -rpcsvc_conn_alloc (rpcsvc_t *svc, rpc_transport_t *trans) -{ - rpcsvc_conn_t *conn = NULL; - int ret = -1; - unsigned int poolcount = 0; - - conn = GF_CALLOC (1, sizeof(*conn), gf_common_mt_rpcsvc_conn_t); - if (!conn) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "memory allocation failed"); - return NULL; - } - - conn->trans = trans; - conn->svc = svc; - poolcount = RPCSVC_POOLCOUNT_MULT * svc->memfactor; - - gf_log (GF_RPCSVC, GF_LOG_TRACE, "rx pool: %d", poolcount); - conn->rxpool = mem_pool_new (rpcsvc_request_t, poolcount); - /* TODO: leak */ - if (!conn->rxpool) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "mem pool allocation failed"); - goto free_conn; - } - - /* Cannot consider a connection connected unless the user of this - * connection decides it is ready to use. It is possible that we have - * to free this connection soon after. That free will not happpen - * unless the state is disconnected. - */ - conn->connstate = RPCSVC_CONNSTATE_DISCONNECTED; - pthread_mutex_init (&conn->connlock, NULL); - conn->connref = 0; - - ret = 0; - -free_conn: - if (ret == -1) { - GF_FREE (conn); - conn = NULL; - } - - return conn; -} - -int -rpcsvc_notify (rpc_transport_t *trans, void *mydata, - rpc_transport_event_t event, void *data, ...); - -void -rpcsvc_conn_state_init (rpcsvc_conn_t *conn) -{ - if (!conn) - return; - - ++conn->connref; - conn->connstate = RPCSVC_CONNSTATE_CONNECTED; -} - - -rpcsvc_notify_wrapper_t * -rpcsvc_notify_wrapper_alloc (void) -{ - rpcsvc_notify_wrapper_t *wrapper = NULL; - - wrapper = GF_CALLOC (1, sizeof (*wrapper), gf_common_mt_rpcsvc_wrapper_t); - if (!wrapper) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "memory allocation failed"); - goto out; - } - - INIT_LIST_HEAD (&wrapper->list); -out: - return wrapper; -} - - -void -rpcsvc_listener_destroy (rpcsvc_listener_t *listener) -{ - rpcsvc_t *svc = NULL; - - if (!listener) { - goto out; - } - - if (!listener->conn) { - goto listener_free; - } - - svc = listener->conn->svc; - if (!svc) { - goto listener_free; - } - - pthread_mutex_lock (&svc->rpclock); - { - list_del_init (&listener->list); - } - pthread_mutex_unlock (&svc->rpclock); - -listener_free: - GF_FREE (listener); -out: - return; -} - - -void -rpcsvc_conn_destroy (rpcsvc_conn_t *conn) -{ - rpcsvc_notify_wrapper_t *wrapper = NULL; - rpcsvc_event_t event = 0; - rpcsvc_listener_t *listener = NULL; - rpcsvc_t *svc = NULL; - rpcsvc_notify_wrapper_t *wrappers = NULL; - int i = 0, wrapper_count = 0; - - if (!conn) - goto out; - - mem_pool_destroy (conn->rxpool); - - listener = conn->listener; - if (!listener) - goto out; - - event = (listener->conn == conn) ? RPCSVC_EVENT_LISTENER_DEAD - : RPCSVC_EVENT_DISCONNECT; - - svc = conn->svc; - if (!svc) - goto out; - - pthread_mutex_lock (&svc->rpclock); - { - wrappers = GF_CALLOC (svc->notify_count, sizeof (*wrapper), - gf_common_mt_rpcsvc_wrapper_t); - if (!wrappers) { - goto unlock; - } - - list_for_each_entry (wrapper, &conn->listener->list, - list) { - if (wrapper->notify) { - wrappers[i++] = *wrapper; - } - } - wrapper_count = i; - } -unlock: - pthread_mutex_unlock (&svc->rpclock); - - if (wrappers) { - for (i = 0; i < wrapper_count; i++) { - wrappers[i].notify (conn->svc, wrappers[i].data, - event, conn); - } - - GF_FREE (wrappers); - } - - if (listener->conn == conn) { - rpcsvc_listener_destroy (listener); - } - - /* Need to destory record state, txlists etc. */ - GF_FREE (conn); -out: - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "Connection destroyed"); -} - - -rpcsvc_conn_t * -rpcsvc_conn_init (rpcsvc_t *svc, rpc_transport_t *trans) -{ - int ret = -1; - rpcsvc_conn_t *conn = NULL; - - conn = rpcsvc_conn_alloc (svc, trans); - if (!conn) { - ret = -1; - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "cannot init a connection"); - goto out; - } - - ret = rpc_transport_register_notify (trans, rpcsvc_notify, conn); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "registering notify failed"); - rpcsvc_conn_destroy (conn); - conn = NULL; - goto out; - } - - rpcsvc_conn_state_init (conn); - -out: - return conn; -} - - -int -__rpcsvc_conn_unref (rpcsvc_conn_t *conn) -{ - --conn->connref; - return conn->connref; -} - - -void -__rpcsvc_conn_deinit (rpcsvc_conn_t *conn) -{ - if (!conn) - return; - - if (rpcsvc_conn_check_active (conn)) { - conn->connstate = RPCSVC_CONNSTATE_DISCONNECTED; - } - - if (conn->trans) { - rpc_transport_disconnect (conn->trans); - conn->trans = NULL; - } -} - - -void -rpcsvc_conn_deinit (rpcsvc_conn_t *conn) -{ - int ref = 0; - - if (!conn) - return; - - pthread_mutex_lock (&conn->connlock); - { - __rpcsvc_conn_deinit (conn); - ref = __rpcsvc_conn_unref (conn); - } - pthread_mutex_unlock (&conn->connlock); - - if (ref == 0) - rpcsvc_conn_destroy (conn); - - return; -} - - -void -rpcsvc_conn_unref (rpcsvc_conn_t *conn) -{ - int ref = 0; - if (!conn) - return; - - pthread_mutex_lock (&conn->connlock); - { - ref = __rpcsvc_conn_unref (conn); - } - pthread_mutex_unlock (&conn->connlock); - - if (ref == 0) { - rpcsvc_conn_destroy (conn); - } -} - - -int -rpcsvc_conn_active (rpcsvc_conn_t *conn) -{ - int status = 0; - - if (!conn) - return 0; - - pthread_mutex_lock (&conn->connlock); - { - status = rpcsvc_conn_check_active (conn); - } - pthread_mutex_unlock (&conn->connlock); - - return status; -} - - -void -rpcsvc_conn_ref (rpcsvc_conn_t *conn) -{ - if (!conn) - return; - - pthread_mutex_lock (&conn->connlock); - { - ++conn->connref; - } - pthread_mutex_unlock (&conn->connlock); - - return; -} - - -int -rpcsvc_conn_privport_check (rpcsvc_t *svc, char *volname, rpcsvc_conn_t *conn) -{ - struct sockaddr_in sa; - int ret = RPCSVC_AUTH_REJECT; - socklen_t sasize = sizeof (sa); - char *srchstr = NULL; - char *valstr = NULL; - int globalinsecure = RPCSVC_AUTH_REJECT; - int exportinsecure = RPCSVC_AUTH_DONTCARE; - uint16_t port = 0; - gf_boolean_t insecure = _gf_false; - - if ((!svc) || (!volname) || (!conn)) - return ret; - - ret = rpcsvc_conn_peeraddr (conn, NULL, 0, (struct sockaddr *)&sa, - sasize); - if (ret != 0) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to get peer addr: %s", - gai_strerror (ret)); - ret = RPCSVC_AUTH_REJECT; - goto err; - } - - port = ntohs (sa.sin_port); - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Client port: %d", (int)port); - /* If the port is already a privileged one, dont bother with checking - * options. - */ - if (port <= 1024) { - ret = RPCSVC_AUTH_ACCEPT; - goto err; - } - - /* Disabled by default */ - if ((dict_get (svc->options, "rpc-auth.ports.insecure"))) { - ret = dict_get_str (svc->options, "rpc-auth.ports.insecure" - , &srchstr); - if (ret == 0) { - ret = gf_string2boolean (srchstr, &insecure); - if (ret == 0) { - if (insecure == _gf_true) - globalinsecure = RPCSVC_AUTH_ACCEPT; - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to" - " read rpc-auth.ports.insecure value"); - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to" - " read rpc-auth.ports.insecure value"); - } - - /* Disabled by default */ - ret = gf_asprintf (&srchstr, "rpc-auth.ports.%s.insecure", volname); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "asprintf failed"); - ret = RPCSVC_AUTH_REJECT; - goto err; - } - - if (dict_get (svc->options, srchstr)) { - ret = dict_get_str (svc->options, srchstr, &valstr); - if (ret == 0) { - ret = gf_string2boolean (srchstr, &insecure); - if (ret == 0) { - if (insecure == _gf_true) - exportinsecure = RPCSVC_AUTH_ACCEPT; - else - exportinsecure = RPCSVC_AUTH_REJECT; - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to" - " read rpc-auth.ports.insecure value"); - } else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to" - " read rpc-auth.ports.insecure value"); - } - - ret = rpcsvc_combine_gen_spec_volume_checks (globalinsecure, - exportinsecure); - if (ret == RPCSVC_AUTH_ACCEPT) - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "Unprivileged port allowed"); - else - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "Unprivileged port not" - " allowed"); - -err: - return ret; -} - - -/* This needs to change to returning errors, since - * we need to return RPC specific error messages when some - * of the pointers below are NULL. - */ -rpcsvc_actor_t * -rpcsvc_program_actor (rpcsvc_conn_t *conn, rpcsvc_request_t *req) -{ - rpcsvc_program_t *program = NULL; - int err = SYSTEM_ERR; - rpcsvc_actor_t *actor = NULL; - rpcsvc_t *svc = NULL; - char found = 0; - - if ((!conn) || (!req)) - goto err; - - svc = conn->svc; - pthread_mutex_lock (&svc->rpclock); - { - list_for_each_entry (program, &svc->programs, program) { - if (program->prognum == req->prognum) { - err = PROG_MISMATCH; - } - - if ((program->prognum == req->prognum) - && (program->progver == req->progver)) { - found = 1; - break; - } - } - } - pthread_mutex_unlock (&svc->rpclock); - - if (!found) { - if (err != PROG_MISMATCH) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, - "RPC program not available"); - err = PROG_UNAVAIL; - goto err; - } - - gf_log (GF_RPCSVC, GF_LOG_ERROR, "RPC program version not" - " available"); - goto err; - } - req->prog = program; - if (!program->actors) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "RPC System error"); - err = SYSTEM_ERR; - goto err; - } - - if ((req->procnum < 0) || (req->procnum >= program->numactors)) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "RPC Program procedure not" - " available"); - err = PROC_UNAVAIL; - goto err; - } - - actor = &program->actors[req->procnum]; - if (!actor->actor) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "RPC Program procedure not" - " available"); - err = PROC_UNAVAIL; - actor = NULL; - goto err; - } - - err = SUCCESS; - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Actor found: %s - %s", - program->progname, actor->procname); -err: - if (req) - req->rpc_err = err; - - return actor; -} - - -/* this procedure can only pass 4 arguments to registered notifyfn. To send more - * arguements call wrapper->notify directly. - */ -inline void -rpcsvc_program_notify (rpcsvc_listener_t *listener, rpcsvc_event_t event, - void *data) -{ - rpcsvc_notify_wrapper_t *wrapper = NULL; - - if (!listener) { - goto out; - } - - list_for_each_entry (wrapper, &listener->list, list) { - if (wrapper->notify) { - wrapper->notify (listener->conn->svc, - wrapper->data, - event, data); - } - } - -out: - return; -} - - -int -rpcsvc_accept (rpcsvc_conn_t *listen_conn, rpc_transport_t *new_trans) -{ - rpcsvc_listener_t *listener = NULL; - rpcsvc_conn_t *conn = NULL; - char clstr[RPCSVC_PEER_STRLEN]; - - listener = listen_conn->listener; - conn = rpcsvc_conn_init (listen_conn->svc, new_trans); - if (!conn) { - rpc_transport_disconnect (new_trans); - memset (clstr, 0, RPCSVC_PEER_STRLEN); - rpc_transport_get_peername (new_trans, clstr, - RPCSVC_PEER_STRLEN); - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "allocating connection for " - "new transport (%s) failed", clstr); - goto out; - } - - conn->listener = listener; - - //rpcsvc_program_notify (listener, RPCSVC_EVENT_ACCEPT, conn); -out: - return 0; -} - - -void -rpcsvc_request_destroy (rpcsvc_conn_t *conn, rpcsvc_request_t *req) -{ - if (!conn || !req) { - goto out; - } - - if (req->recordiob) { - iobuf_unref (req->recordiob); - } - - if (req->vectorediob) { - iobuf_unref (req->vectorediob); - } - - mem_put (conn->rxpool, req); -out: - return; -} - - -rpcsvc_request_t * -rpcsvc_request_init (rpcsvc_conn_t *conn, struct rpc_msg *callmsg, - struct iovec progmsg, rpc_transport_pollin_t *msg, - rpcsvc_request_t *req) -{ - if ((!conn) || (!callmsg)|| (!req) || (!msg)) - return NULL; - - /* We start a RPC request as always denied. */ - req->rpc_status = MSG_DENIED; - req->xid = rpc_call_xid (callmsg); - req->prognum = rpc_call_program (callmsg); - req->progver = rpc_call_progver (callmsg); - req->procnum = rpc_call_progproc (callmsg); - req->conn = conn; - req->msg[0] = progmsg; - if (msg->vectored) { - req->msg[1].iov_base = iobuf_ptr (msg->data.vector.iobuf2); - req->msg[1].iov_len = msg->data.vector.size2; - - req->recordiob = iobuf_ref (msg->data.vector.iobuf1); - req->vectorediob = iobuf_ref (msg->data.vector.iobuf2); - } else { - req->recordiob = iobuf_ref (msg->data.simple.iobuf); - } - - req->trans_private = msg->private; - - INIT_LIST_HEAD (&req->txlist); - req->payloadsize = 0; - - /* By this time, the data bytes for the auth scheme would have already - * been copied into the required sections of the req structure, - * we just need to fill in the meta-data about it now. - */ - req->cred.flavour = rpc_call_cred_flavour (callmsg); - req->cred.datalen = rpc_call_cred_len (callmsg); - req->verf.flavour = rpc_call_verf_flavour (callmsg); - req->verf.datalen = rpc_call_verf_len (callmsg); - - /* AUTH */ - rpcsvc_auth_request_init (req); - return req; -} - - -rpcsvc_request_t * -rpcsvc_request_create (rpcsvc_conn_t *conn, rpc_transport_pollin_t *msg) -{ - char *msgbuf = NULL; - struct rpc_msg rpcmsg; - struct iovec progmsg; /* RPC Program payload */ - rpcsvc_request_t *req = NULL; - size_t msglen = 0; - int ret = -1; - - if (!conn) - return NULL; - - /* We need to allocate the request before actually calling - * rpcsvc_request_init on the request so that we, can fill the auth - * data directly into the request structure from the message iobuf. - * This avoids a need to keep a temp buffer into which the auth data - * would've been copied otherwise. - */ - rpcsvc_alloc_request (conn, req); - if (!req) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to alloc request"); - goto err; - } - - if (msg->vectored) { - msgbuf = iobuf_ptr (msg->data.vector.iobuf1); - msglen = msg->data.vector.size1; - } else { - msgbuf = iobuf_ptr (msg->data.simple.iobuf); - msglen = msg->data.simple.size; - } - - ret = xdr_to_rpc_call (msgbuf, msglen, &rpcmsg, &progmsg, - req->cred.authdata,req->verf.authdata); - - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "RPC call decoding failed"); - rpcsvc_request_seterr (req, GARBAGE_ARGS); - goto err; - } - - ret = -1; - rpcsvc_request_init (conn, &rpcmsg, progmsg, msg, req); - - gf_log (GF_RPCSVC, GF_LOG_TRACE, "RPC XID: %lx, Ver: %ld, Program: %ld," - " ProgVers: %ld, Proc: %ld", rpc_call_xid (&rpcmsg), - rpc_call_rpcvers (&rpcmsg), rpc_call_program (&rpcmsg), - rpc_call_progver (&rpcmsg), rpc_call_progproc (&rpcmsg)); - - if (rpc_call_rpcvers (&rpcmsg) != 2) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "RPC version not supported"); - rpcsvc_request_seterr (req, RPC_MISMATCH); - goto err; - } - - ret = rpcsvc_authenticate (req); - if (ret == RPCSVC_AUTH_REJECT) { - /* No need to set auth_err, that is the responsibility of - * the authentication handler since only that know what exact - * error happened. - */ - rpcsvc_request_seterr (req, AUTH_ERROR); - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed authentication"); - ret = -1; - goto err; - } - - - /* If the error is not RPC_MISMATCH, we consider the call as accepted - * since we are not handling authentication failures for now. - */ - req->rpc_status = MSG_ACCEPTED; - ret = 0; -err: - if (ret == -1) { - ret = rpcsvc_error_reply (req); - req = NULL; - } - - return req; -} - - -int -rpcsvc_handle_rpc_call (rpcsvc_conn_t *conn, rpc_transport_pollin_t *msg) -{ - rpcsvc_actor_t *actor = NULL; - rpcsvc_request_t *req = NULL; - int ret = -1; - - if (!conn) - return -1; - - req = rpcsvc_request_create (conn, msg); - if (!req) - goto err; - - if (!rpcsvc_request_accepted (req)) - goto err_reply; - - actor = rpcsvc_program_actor (conn, req); - if (!actor) - goto err_reply; - - if (actor) { - if (req->vectorediob) { - if (actor->vector_actor) { - rpcsvc_conn_ref (conn); - ret = actor->vector_actor (req, - req->vectorediob); - } else { - rpcsvc_request_seterr (req, PROC_UNAVAIL); - gf_log (GF_RPCSVC, GF_LOG_ERROR, - "No vectored handler present"); - ret = RPCSVC_ACTOR_ERROR; - } - } else if (actor->actor) { - rpcsvc_conn_ref (req->conn); - /* Before going to xlator code, set the THIS properly */ - THIS = conn->svc->mydata; - ret = actor->actor (req); - } - } - -err_reply: - if (ret == RPCSVC_ACTOR_ERROR) - ret = rpcsvc_error_reply (req); - - /* No need to propagate error beyond this function since the reply - * has now been queued. */ - ret = 0; -err: - return ret; -} - - -int -rpcsvc_notify (rpc_transport_t *trans, void *mydata, - rpc_transport_event_t event, void *data, ...) -{ - rpcsvc_conn_t *conn = NULL; - rpcsvc_t *svc = NULL; - int ret = -1; - rpc_transport_pollin_t *msg = NULL; - rpc_transport_t *new_trans = NULL; - - conn = mydata; - if (conn == NULL) { - goto out; - } - - svc = conn->svc; - - switch (event) { - case RPC_TRANSPORT_ACCEPT: - new_trans = data; - ret = rpcsvc_accept (conn, new_trans); - break; - - case RPC_TRANSPORT_DISCONNECT: - //rpcsvc_conn_deinit (conn); - ret = 0; - break; - - case RPC_TRANSPORT_MSG_RECEIVED: - msg = data; - ret = rpcsvc_handle_rpc_call (conn, msg); - break; - - case RPC_TRANSPORT_MSG_SENT: - ret = 0; - break; - - case RPC_TRANSPORT_CONNECT: - /* do nothing, no need for rpcsvc to handle this, client should - * handle this event - */ - gf_log ("rpcsvc", GF_LOG_CRITICAL, - "got CONNECT event, which should have not come"); - ret = 0; - break; - - case RPC_TRANSPORT_CLEANUP: - /* FIXME: think about this later */ - ret = 0; - break; - - case RPC_TRANSPORT_MAP_XID_REQUEST: - /* FIXME: think about this later */ - gf_log ("rpcsvc", GF_LOG_CRITICAL, - "got MAP_XID event, which should have not come"); - ret = 0; - break; - } - -out: - return ret; -} - - -void -rpcsvc_set_lastfrag (uint32_t *fragsize) { - (*fragsize) |= 0x80000000U; -} - -void -rpcsvc_set_frag_header_size (uint32_t size, char *haddr) -{ - size = htonl (size); - memcpy (haddr, &size, sizeof (size)); -} - -void -rpcsvc_set_last_frag_header_size (uint32_t size, char *haddr) -{ - rpcsvc_set_lastfrag (&size); - rpcsvc_set_frag_header_size (size, haddr); -} - - -/* Given the RPC reply structure and the payload handed by the RPC program, - * encode the RPC record header into the buffer pointed by recordstart. - */ -struct iovec -rpcsvc_record_build_header (char *recordstart, size_t rlen, - struct rpc_msg reply, size_t payload) -{ - struct iovec replyhdr; - struct iovec txrecord = {0, 0}; - size_t fraglen = 0; - int ret = -1; - - /* After leaving aside the 4 bytes for the fragment header, lets - * encode the RPC reply structure into the buffer given to us. - */ - ret = rpc_reply_to_xdr (&reply,(recordstart + RPCSVC_FRAGHDR_SIZE), - rlen, &replyhdr); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to create RPC reply"); - goto err; - } - - fraglen = payload + replyhdr.iov_len; - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Reply fraglen %zu, payload: %zu, " - "rpc hdr: %zu", fraglen, payload, replyhdr.iov_len); - - /* Since we're not spreading RPC records over mutiple fragments - * we just set this fragment as the first and last fragment for this - * record. - */ - rpcsvc_set_last_frag_header_size (fraglen, recordstart); - - /* Even though the RPC record starts at recordstart+RPCSVC_FRAGHDR_SIZE - * we need to transmit the record with the fragment header, which starts - * at recordstart. - */ - txrecord.iov_base = recordstart; - - /* Remember, this is only the vec for the RPC header and does not - * include the payload above. We needed the payload only to calculate - * the size of the full fragment. This size is sent in the fragment - * header. - */ - txrecord.iov_len = RPCSVC_FRAGHDR_SIZE + replyhdr.iov_len; -err: - return txrecord; -} - - -int -rpcsvc_conn_submit (rpcsvc_conn_t *conn, struct iovec *hdrvec, - int hdrcount, struct iovec *proghdr, int proghdrcount, - struct iovec *progpayload, int progpayloadcount, - struct iobref *iobref, void *priv) -{ - int ret = -1; - rpc_transport_reply_t reply = {{0, }}; - - if ((!conn) || (!hdrvec) || (!hdrvec->iov_base) || (!conn->trans)) { - goto out; - } - - reply.msg.rpchdr = hdrvec; - reply.msg.rpchdrcount = hdrcount; - reply.msg.proghdr = proghdr; - reply.msg.proghdrcount = proghdrcount; - reply.msg.progpayload = progpayload; - reply.msg.progpayloadcount = progpayloadcount; - reply.msg.iobref = iobref; - reply.private = priv; - - /* Now that we have both the RPC and Program buffers in xdr format - * lets hand it to the transmission layer. - */ - if (!rpcsvc_conn_check_active (conn)) { - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "Connection inactive"); - goto out; - } - - ret = rpc_transport_submit_reply (conn->trans, &reply); - -out: - return ret; -} - - -int -rpcsvc_fill_reply (rpcsvc_request_t *req, struct rpc_msg *reply) -{ - rpcsvc_program_t *prog = NULL; - if ((!req) || (!reply)) - return -1; - - prog = rpcsvc_request_program (req); - rpc_fill_empty_reply (reply, req->xid); - - if (req->rpc_status == MSG_DENIED) - rpc_fill_denied_reply (reply, req->rpc_err, req->auth_err); - else if (req->rpc_status == MSG_ACCEPTED) - rpc_fill_accepted_reply (reply, req->rpc_err, prog->proglowvers, - prog->proghighvers, req->verf.flavour, - req->verf.datalen, - req->verf.authdata); - else - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Invalid rpc_status value"); - - return 0; -} - - -/* Given a request and the reply payload, build a reply and encodes the reply - * into a record header. This record header is encoded into the vector pointed - * to be recbuf. - * msgvec is the buffer that points to the payload of the RPC program. - * This buffer can be NULL, if an RPC error reply is being constructed. - * The only reason it is needed here is that in case the buffer is provided, - * we should account for the length of that buffer in the RPC fragment header. - */ -struct iobuf * -rpcsvc_record_build_record (rpcsvc_request_t *req, size_t payload, - struct iovec *recbuf) -{ - struct rpc_msg reply; - struct iobuf *replyiob = NULL; - char *record = NULL; - struct iovec recordhdr = {0, }; - size_t pagesize = 0; - rpcsvc_conn_t *conn = NULL; - rpcsvc_t *svc = NULL; - - if ((!req) || (!req->conn) || (!recbuf)) - return NULL; - - /* First, try to get a pointer into the buffer which the RPC - * layer can use. - */ - conn = req->conn; - svc = rpcsvc_conn_rpcsvc (conn); - replyiob = iobuf_get (svc->ctx->iobuf_pool); - pagesize = iobpool_pagesize ((struct iobuf_pool *)svc->ctx->iobuf_pool); - if (!replyiob) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to get iobuf"); - goto err_exit; - } - - record = iobuf_ptr (replyiob); /* Now we have it. */ - - /* Fill the rpc structure and XDR it into the buffer got above. */ - rpcsvc_fill_reply (req, &reply); - recordhdr = rpcsvc_record_build_header (record, pagesize, reply, - payload); - if (!recordhdr.iov_base) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to build record " - " header"); - iobuf_unref (replyiob); - replyiob = NULL; - recbuf->iov_base = NULL; - goto err_exit; - } - - recbuf->iov_base = recordhdr.iov_base; - recbuf->iov_len = recordhdr.iov_len; -err_exit: - return replyiob; -} - - -/* - * The function to submit a program message to the RPC service. - * This message is added to the transmission queue of the - * conn. - * - * Program callers are not expected to use the msgvec->iov_base - * address for anything else. - * Nor are they expected to free it once this function returns. - * Once the transmission of the buffer is completed by the RPC service, - * the memory area as referenced through @msg will be unrefed. - * If a higher layer does not want anything to do with this iobuf - * after this function returns, it should call unref on it. For keeping - * it around till the transmission is actually complete, rpcsvc also refs it. - * * - * If this function returns an error by returning -1, the - * higher layer programs should assume that a disconnection happened - * and should know that the conn memory area as well as the req structure - * has been freed internally. - * - * For now, this function assumes that a submit is always called - * to send a new record. Later, if there is a situation where different - * buffers for the same record come from different sources, then we'll - * need to change this code to account for multiple submit calls adding - * the buffers into a single record. - */ - -int -rpcsvc_submit_generic (rpcsvc_request_t *req, struct iovec *proghdr, - int hdrcount, struct iovec *payload, int payloadcount, - struct iobref *iobref) -{ - int ret = -1, i = 0; - struct iobuf *replyiob = NULL; - struct iovec recordhdr = {0, }; - rpcsvc_conn_t *conn = NULL; - size_t msglen = 0; - char new_iobref = 0; - - if ((!req) || (!req->conn)) - return -1; - - conn = req->conn; - - for (i = 0; i < hdrcount; i++) { - msglen += proghdr[i].iov_len; - } - - for (i = 0; i < payloadcount; i++) { - msglen += payload[i].iov_len; - } - - gf_log (GF_RPCSVC, GF_LOG_TRACE, "Tx message: %zu", msglen); - - /* Build the buffer containing the encoded RPC reply. */ - replyiob = rpcsvc_record_build_record (req, msglen, &recordhdr); - if (!replyiob) { - gf_log (GF_RPCSVC, GF_LOG_ERROR,"Reply record creation failed"); - goto disconnect_exit; - } - - if (!iobref) { - iobref = iobref_new (); - if (!iobref) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "memory allocation " - "failed"); - goto disconnect_exit; - } - - new_iobref = 1; - } - - iobref_add (iobref, replyiob); - - ret = rpcsvc_conn_submit (conn, &recordhdr, 1, proghdr, hdrcount, - payload, payloadcount, iobref, - req->trans_private); - - rpcsvc_request_destroy (conn, req); - - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to submit message"); - } - -disconnect_exit: - if (replyiob) { - iobuf_unref (replyiob); - } - - if (new_iobref) { - iobref_unref (iobref); - } - - /* Note that a unref is called everytime a reply is sent. This is in - * response to the ref that is performed on the conn when a request is - * handed to the RPC program. - * - * The catch, however, is that if the reply is an rpc error, we must - * not unref. This is because the ref only contains - * references for the actors to which the request was handed plus one - * reference maintained by the RPC layer. By unrefing for a case where - * no actor was called, we will be losing the ref held for the RPC - * layer. - */ - if ((rpcsvc_request_accepted (req)) && - (rpcsvc_request_accepted_success (req))) - rpcsvc_conn_unref (conn); - - return ret; -} - - -int -rpcsvc_error_reply (rpcsvc_request_t *req) -{ - struct iovec dummyvec = {0, }; - - if (!req) - return -1; - - /* At this point the req should already have been filled with the - * appropriate RPC error numbers. - */ - return rpcsvc_submit_generic (req, &dummyvec, 0, NULL, 0, NULL); -} - - -/* Register the program with the local portmapper service. */ -int -rpcsvc_program_register_portmap (rpcsvc_program_t *newprog, rpcsvc_conn_t *conn) -{ - int ret = 0; - struct sockaddr_in sa = {0, }; - - if (!newprog || !conn->trans) { - goto out; - } - - if (!(pmap_set (newprog->prognum, newprog->progver, IPPROTO_TCP, - sa.sin_port))) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Could not register with" - " portmap"); - goto out; - } - - ret = 0; -out: - return ret; -} - - -int -rpcsvc_program_unregister_portmap (rpcsvc_program_t *prog) -{ - if (!prog) - return -1; - - if (!(pmap_unset(prog->prognum, prog->progver))) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Could not unregister with" - " portmap"); - return -1; - } - - return 0; -} - - -rpcsvc_listener_t * -rpcsvc_get_listener (rpcsvc_t *svc, uint16_t port) -{ - rpcsvc_listener_t *listener = NULL; - char found = 0; - - if (!svc) { - goto out; - } - - pthread_mutex_lock (&svc->rpclock); - { - list_for_each_entry (listener, &svc->listeners, list) { - if (((struct sockaddr_in *)&listener->sa)->sin_port - == port) { - found = 1; - break; - } - } - } - pthread_mutex_unlock (&svc->rpclock); - - if (!found) { - listener = NULL; - } - -out: - return listener; -} - - -/* The only difference between the generic submit and this one is that the - * generic submit is also used for submitting RPC error replies in where there - * are no payloads so the msgvec and msgbuf can be NULL. - * Since RPC programs should be using this function along with their payloads - * we must perform NULL checks before calling the generic submit. - */ -int -rpcsvc_submit_message (rpcsvc_request_t *req, struct iovec *proghdr, - int hdrcount, struct iovec *payload, int payloadcount, - struct iobref *iobref) -{ - if ((!req) || (!req->conn) || (!proghdr) || (!proghdr->iov_base)) - return -1; - - return rpcsvc_submit_generic (req, proghdr, hdrcount, payload, - payloadcount, iobref); -} - - -int -rpcsvc_program_unregister (rpcsvc_t *svc, rpcsvc_program_t prog) -{ - int ret = -1; - - if (!svc) - return -1; - - /* TODO: De-init the listening connection for this program. */ - ret = rpcsvc_program_unregister_portmap (&prog); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "portmap unregistration of" - " program failed"); - goto err; - } - - ret = 0; - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "Program unregistered: %s, Num: %d," - " Ver: %d, Port: %d", prog.progname, prog.prognum, - prog.progver, prog.progport); - -err: - if (ret == -1) - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Program unregistration failed" - ": %s, Num: %d, Ver: %d, Port: %d", prog.progname, - prog.prognum, prog.progver, prog.progport); - - return ret; -} - - -int -rpcsvc_conn_peername (rpcsvc_conn_t *conn, char *hostname, int hostlen) -{ - if (!conn || !conn->trans) - return -1; - - return rpc_transport_get_peername (conn->trans, hostname, hostlen); -} - - -int -rpcsvc_conn_peeraddr (rpcsvc_conn_t *conn, char *addrstr, int addrlen, - struct sockaddr *sa, socklen_t sasize) -{ - if (!conn || !conn->trans) - return -1; - - return rpc_transport_get_peeraddr(conn->trans, addrstr, addrlen, sa, - sasize); -} - - -rpcsvc_conn_t * -rpcsvc_conn_create (rpcsvc_t *svc, dict_t *options, char *name) -{ - int ret = -1; - rpc_transport_t *trans = NULL; - rpcsvc_conn_t *conn = NULL; - - trans = rpc_transport_load (svc->ctx, options, name); - if (!trans) { - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "cannot create listener, " - "initing the transport failed"); - goto out; - } - - ret = rpc_transport_listen (trans); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_DEBUG, - "listening on transport failed"); - goto out; - } - - conn = rpcsvc_conn_init (svc, trans); - if (!conn) { - ret = -1; - gf_log (GF_RPCSVC, GF_LOG_DEBUG, - "initializing connection for transport failed"); - goto out; - } - - ret = 0; -out: - if ((ret == -1) && (trans)) { - rpc_transport_disconnect (trans); - } - - return conn; -} - -rpcsvc_listener_t * -rpcsvc_listener_alloc (rpcsvc_t *svc, rpcsvc_conn_t *conn) -{ - rpcsvc_listener_t *listener = NULL; - int ret = -1; - - listener = GF_CALLOC (1, sizeof (*listener), - gf_common_mt_rpcsvc_listener_t); - if (!listener) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "memory allocation failed"); - goto out; - } - - /* TODO: unresolved symbol */ - ret = rpc_transport_get_myaddr (conn->trans, NULL, 0, - &listener->sa, - sizeof (listener->sa)); - ret = 0; - if (ret == -1) { - GF_FREE (listener); - listener = NULL; - goto out; - } - - listener->conn = conn; - - INIT_LIST_HEAD (&listener->list); - - pthread_mutex_lock (&svc->rpclock); - { - list_add_tail (&listener->list, &svc->listeners); - } - pthread_mutex_unlock (&svc->rpclock); -out: - return listener; -} - - -rpcsvc_listener_t * -rpcsvc_create_listener (rpcsvc_t *svc, dict_t *options, char *name) -{ - rpcsvc_conn_t *conn = NULL; - rpcsvc_listener_t *listener = NULL; - - if (!svc || !options) { - goto out; - } - - conn = rpcsvc_conn_create (svc, options, name); - if (!conn) { - goto out; - } - - listener = rpcsvc_listener_alloc (svc, conn); - if (listener == NULL) { - goto out; - } - - conn->listener = listener; -out: - if (!listener && conn) { - rpcsvc_conn_deinit (conn); - } - - return listener; -} - - -int -rpcsvc_unregister_notify (rpcsvc_t *svc, rpcsvc_notify_t notify, void *mydata) -{ - rpcsvc_notify_wrapper_t *wrapper = NULL, *tmp = NULL; - int ret = 0; - - if (!svc || !notify) { - goto out; - } - - pthread_mutex_lock (&svc->rpclock); - { - list_for_each_entry_safe (wrapper, tmp, &svc->notify, list) { - if ((wrapper->notify == notify) - && (mydata == wrapper->data)) { - list_del_init (&wrapper->list); - GF_FREE (wrapper); - ret++; - } - } - } - pthread_mutex_unlock (&svc->rpclock); - -out: - return ret; -} - -int -rpcsvc_register_notify (rpcsvc_t *svc, rpcsvc_notify_t notify, void *mydata) -{ - rpcsvc_notify_wrapper_t *wrapper = NULL; - int ret = -1; - - wrapper = rpcsvc_notify_wrapper_alloc (); - if (!wrapper) { - goto out; - } - svc->mydata = mydata; /* this_xlator */ - wrapper->data = mydata; - wrapper->notify = notify; - - pthread_mutex_lock (&svc->rpclock); - { - list_add_tail (&wrapper->list, &svc->notify); - svc->notify_count++; - } - pthread_mutex_unlock (&svc->rpclock); - - ret = 0; -out: - return ret; -} - - - -int -rpcsvc_program_register (rpcsvc_t *svc, rpcsvc_program_t program) -{ - rpcsvc_program_t *newprog = NULL; - int ret = -1; - rpcsvc_listener_t *listener = NULL; - - if (!svc) - return -1; - - newprog = GF_CALLOC (1, sizeof(*newprog), gf_common_mt_rpcsvc_program_t); - if (!newprog) - return -1; - - if (!program.actors) - goto free_prog; - - memcpy (newprog, &program, sizeof (program)); - - listener = svc->listener; - - ret = rpcsvc_program_register_portmap (newprog, listener->conn); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "portmap registration of" - " program failed"); - goto free_prog; - } - - pthread_mutex_lock (&svc->rpclock); - { - list_add_tail (&newprog->program, &svc->programs); - } - pthread_mutex_unlock (&svc->rpclock); - - ret = 0; - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "New program registered: %s, Num: %d," - " Ver: %d, Port: %d", newprog->progname, newprog->prognum, - newprog->progver, newprog->progport); - -free_prog: - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Program registration failed:" - " %s, Num: %d, Ver: %d, Port: %d", newprog->progname, - newprog->prognum, newprog->progver, newprog->progport); - GF_FREE (newprog); - } - - return ret; -} - - -int -rpcsvc_init_options (rpcsvc_t *svc, dict_t *options) -{ - svc->memfactor = RPCSVC_DEFAULT_MEMFACTOR; - return 0; -} - - -/* The global RPC service initializer. - */ -rpcsvc_t * -rpcsvc_init (glusterfs_ctx_t *ctx, dict_t *options) -{ - rpcsvc_t *svc = NULL; - int ret = -1; - rpcsvc_listener_t *listener = NULL; - - if ((!ctx) || (!options)) - return NULL; - - svc = GF_CALLOC (1, sizeof (*svc), gf_common_mt_rpcsvc_t); - if (!svc) - return NULL; - - pthread_mutex_init (&svc->rpclock, NULL); - INIT_LIST_HEAD (&svc->authschemes); - INIT_LIST_HEAD (&svc->notify); - INIT_LIST_HEAD (&svc->listeners); - INIT_LIST_HEAD (&svc->programs); - - ret = rpcsvc_init_options (svc, options); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to init options"); - goto free_svc; - } - - ret = rpcsvc_auth_init (svc, options); - if (ret == -1) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to init " - "authentication"); - goto free_svc; - } - - ret = -1; - svc->options = options; - svc->ctx = ctx; - gf_log (GF_RPCSVC, GF_LOG_DEBUG, "RPC service inited."); - - /* One listen port per RPC */ - listener = rpcsvc_get_listener (svc, 0); - if (!listener) { - /* FIXME: listener is given the name of first program that - * creates it. This is not always correct. For eg., multiple - * programs can be listening on the same listener - * (glusterfs 3.1.0, 3.1.2, 3.1.3 etc). - */ - listener = rpcsvc_create_listener (svc, options, "RPC"); - if (!listener) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "creation of listener" - " for program failed"); - goto free_svc; - } - } - - if (!listener->conn) { - gf_log (GF_RPCSVC, GF_LOG_ERROR, "listener with no connection " - "found"); - goto free_svc; - } - - svc->listener = listener; - - ret = 0; -free_svc: - if (ret == -1) { - GF_FREE (svc); - svc = NULL; - } - - return svc; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/rpcsvc.h b/xlators/protocol/rpc/rpc-lib/src/rpcsvc.h deleted file mode 100644 index 10dc32698..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/rpcsvc.h +++ /dev/null @@ -1,582 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _RPCSVC_H -#define _RPCSVC_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "event.h" -#include "rpc-transport.h" -#include "logging.h" -#include "dict.h" -#include "mem-pool.h" -#include "list.h" -#include "iobuf.h" -#include "xdr-rpc.h" -#include "glusterfs.h" -#include "rpcsvc-common.h" - -#include <pthread.h> -#include <sys/uio.h> -#include <inttypes.h> -#include "compat.h" - -#ifndef NGRPS -#define NGRPS 16 -#endif /* !NGRPS */ - -#define GF_RPCSVC "rpc-service" -#define RPCSVC_THREAD_STACK_SIZE ((size_t)(1024 * GF_UNIT_KB)) - -#define RPCSVC_FRAGHDR_SIZE 4 /* 4-byte RPC fragment header size */ - -#define RPCSVC_DEFAULT_MEMFACTOR 15 -#define RPCSVC_EVENTPOOL_SIZE_MULT 1024 -#define RPCSVC_POOLCOUNT_MULT 35 -#define RPCSVC_CONN_READ (128 * GF_UNIT_KB) -#define RPCSVC_PAGE_SIZE (128 * GF_UNIT_KB) - -/* RPC Record States */ -#define RPCSVC_READ_FRAGHDR 1 -#define RPCSVC_READ_FRAG 2 -/* The size in bytes, if crossed by a fragment will be handed over to the - * vectored actor so that it can allocate its buffers the way it wants. - * In our RPC layer, we assume that vectored RPC requests/records are never - * spread over multiple RPC fragments since that prevents us from determining - * whether the record should be handled in RPC layer completely or handed to - * the vectored handler. - */ -#define RPCSVC_VECTORED_FRAGSZ 4096 -#define RPCSVC_VECTOR_READCRED 1003 -#define RPCSVC_VECTOR_READVERFSZ 1004 -#define RPCSVC_VECTOR_READVERF 1005 -#define RPCSVC_VECTOR_IGNORE 1006 -#define RPCSVC_VECTOR_READVEC 1007 -#define RPCSVC_VECTOR_READPROCHDR 1008 - -#define rpcsvc_record_vectored_baremsg(rs) (((rs)->state == RPCSVC_READ_FRAG) && (rs)->vecstate == 0) -#define rpcsvc_record_vectored_cred(rs) ((rs)->vecstate == RPCSVC_VECTOR_READCRED) -#define rpcsvc_record_vectored_verfsz(rs) ((rs)->vecstate == RPCSVC_VECTOR_READVERFSZ) -#define rpcsvc_record_vectored_verfread(rs) ((rs)->vecstate == RPCSVC_VECTOR_READVERF) -#define rpcsvc_record_vectored_ignore(rs) ((rs)->vecstate == RPCSVC_VECTOR_IGNORE) -#define rpcsvc_record_vectored_readvec(rs) ((rs)->vecstate == RPCSVC_VECTOR_READVEC) -#define rpcsvc_record_vectored_readprochdr(rs) ((rs)->vecstate == RPCSVC_VECTOR_READPROCHDR) -#define rpcsvc_record_vectored(rs) ((rs)->fragsize > RPCSVC_VECTORED_FRAGSZ) -/* Includes bytes up to and including the credential length field. The credlen - * will be followed by @credlen bytes of credential data which will have to be - * read separately by the vectored reader. After the credentials comes the - * verifier which will also have to be read separately including the 8 bytes of - * verf flavour and verflen. - */ -#define RPCSVC_BARERPC_MSGSZ 32 -#define rpcsvc_record_readfraghdr(rs) ((rs)->state == RPCSVC_READ_FRAGHDR) -#define rpcsvc_record_readfrag(rs) ((rs)->state == RPCSVC_READ_FRAG) - -#define RPCSVC_LOWVERS 2 -#define RPCSVC_HIGHVERS 2 - - -#if 0 -#error "defined in /usr/include/rpc/auth.h" - -#define AUTH_NONE 0 /* no authentication */ -#define AUTH_NULL 0 /* backward compatibility */ -#define AUTH_SYS 1 /* unix style (uid, gids) */ -#define AUTH_UNIX AUTH_SYS -#define AUTH_SHORT 2 /* short hand unix style */ -#define AUTH_DES 3 /* des style (encrypted timestamps) */ -#define AUTH_DH AUTH_DES /* Diffie-Hellman (this is DES) */ -#define AUTH_KERB 4 /* kerberos style */ -#endif /* */ - -#define AUTH_GLUSTERFS 5 - -typedef struct rpcsvc_program rpcsvc_program_t; - -struct rpcsvc_notify_wrapper { - struct list_head list; - void *data; - rpcsvc_notify_t notify; -}; -typedef struct rpcsvc_notify_wrapper rpcsvc_notify_wrapper_t; - -#define RPCSVC_CONNSTATE_CONNECTED 1 -#define RPCSVC_CONNSTATE_DISCONNECTED 2 - -#define rpcsvc_conn_check_active(conn) ((conn)->connstate==RPCSVC_CONNSTATE_CONNECTED) - -typedef struct rpcsvc_request rpcsvc_request_t; - -typedef struct rpc_conn_state rpcsvc_conn_t; -typedef struct { - rpcsvc_conn_t *conn; - struct sockaddr sa; - struct list_head list; -} rpcsvc_listener_t; - -struct rpcsvc_config { - int max_block_size; -}; - -/* Contains the state for each connection that is used for transmitting and - * receiving RPC messages. - * - * Anything that can be accessed by a RPC program must be synced through - * connlock. - */ -struct rpc_conn_state { - - /* Transport or connection state */ - rpc_transport_t *trans; - - rpcsvc_t *svc; - /* RPC Records and Fragments assembly state. - * All incoming data is staged here before being - * called a full RPC message. - */ - /* rpcsvc_record_state_t rstate; */ - - /* It is possible that a client disconnects while - * the higher layer RPC service is busy in a call. - * In this case, we cannot just free the conn - * structure, since the higher layer service could - * still have a reference to it. - * The refcount avoids freeing until all references - * have been given up, although the connection is clos()ed at the first - * call to unref. - */ - int connref; - pthread_mutex_t connlock; - int connstate; - - /* Memory pool for rpcsvc_request_t */ - struct mem_pool *rxpool; - - /* The request which hasnt yet been handed to the RPC program because - * this request is being treated as a vector request and so needs some - * more data to be got from the network. - */ - /* rpcsvc_request_t *vectoredreq; */ - rpcsvc_listener_t *listener; -}; - -#define RPCSVC_CONNSTATE_CONNECTED 1 -#define RPCSVC_CONNSTATE_DISCONNECTED 2 - -#define RPCSVC_MAX_AUTH_BYTES 400 -typedef struct rpcsvc_auth_data { - int flavour; - int datalen; - char authdata[RPCSVC_MAX_AUTH_BYTES]; -} rpcsvc_auth_data_t; - -#define rpcsvc_auth_flavour(au) ((au).flavour) - -/* The container for the RPC call handed up to an actor. - * Dynamically allocated. Lives till the call reply is completely - * transmitted. - * */ -struct rpcsvc_request { - /* connection over which this request came. */ - rpcsvc_conn_t *conn; - - rpcsvc_program_t *prog; - - /* The identifier for the call from client. - * Needed to pair the reply with the call. - */ - uint32_t xid; - - int prognum; - - int progver; - - int procnum; - - int type; - - /* Uid and gid filled by the rpc-auth module during the authentication - * phase. - */ - uid_t uid; - gid_t gid; - pid_t pid; - - uint64_t lk_owner; - uint64_t gfs_id; - - /* Might want to move this to AUTH_UNIX specifix state since this array - * is not available for every authenticatino scheme. - */ - gid_t auxgids[NGRPS]; - int auxgidcount; - - - /* The RPC message payload, contains the data required - * by the program actors. This is the buffer that will need to - * be de-xdred by the actor. - */ - struct iovec msg[2]; - - /* The full message buffer allocated to store the RPC headers. - * This buffer is ref'd when allocated why RPC svc and unref'd after - * the buffer is handed to the actor. That means if the actor or any - * higher layer wants to keep this buffer around, they too must ref it - * right after entering the program actor. - */ - struct iobuf *recordiob; - - /* iobuf to hold payload of calls like write. By storing large payloads - * starting from page-aligned addresses, performance increases while - * accessing the payload - */ - struct iobuf *vectorediob; - - - /* Status of the RPC call, whether it was accepted or denied. */ - int rpc_status; - - /* In case, the call was denied, the RPC error is stored here - * till the reply is sent. - */ - int rpc_err; - - /* In case the failure happened because of an authentication problem - * , this value needs to be assigned the correct auth error number. - */ - int auth_err; - - /* There can be cases of RPC requests where the reply needs to - * be built from multiple sources. For eg. where even the NFS reply can - * contain a payload, as in the NFSv3 read reply. Here the RPC header - * ,NFS header and the read data are brought together separately from - * different buffers, so we need to stage the buffers temporarily here - * before all of them get added to the connection's transmission list. - */ - struct list_head txlist; - - /* While the reply record is being built, this variable keeps track - * of how many bytes have been added to the record. - */ - size_t payloadsize; - - /* The credentials extracted from the rpc request */ - rpcsvc_auth_data_t cred; - - /* The verified extracted from the rpc request. In request side - * processing this contains the verifier sent by the client, on reply - * side processing, it is filled with the verified that will be - * sent to the client. - */ - rpcsvc_auth_data_t verf; - - /* Container for a RPC program wanting to store a temp - * request-specific item. - */ - void *private; - - /* Container for transport to store request-specific item */ - void *trans_private; -}; - -#define rpcsvc_request_program(req) ((rpcsvc_program_t *)((req)->prog)) -#define rpcsvc_request_program_private(req) (((rpcsvc_program_t *)((req)->program))->private) -#define rpcsvc_request_conn(req) (req)->conn -#define rpcsvc_request_accepted(req) ((req)->rpc_status == MSG_ACCEPTED) -#define rpcsvc_request_accepted_success(req) ((req)->rpc_err == SUCCESS) -#define rpcsvc_request_uid(req) ((req)->uid) -#define rpcsvc_request_gid(req) ((req)->gid) -#define rpcsvc_conn_rpcsvc(conn) ((conn)->svc) -#define rpcsvc_request_service(req) (rpcsvc_conn_rpcsvc(rpcsvc_request_conn(req))) -#define rpcsvc_request_prog_minauth(req) (rpcsvc_request_program(req)->min_auth) -#define rpcsvc_request_cred_flavour(req) (rpcsvc_auth_flavour(req->cred)) -#define rpcsvc_request_verf_flavour(req) (rpcsvc_auth_flavour(req->verf)) - -#define rpcsvc_request_uid(req) ((req)->uid) -#define rpcsvc_request_gid(req) ((req)->gid) -#define rpcsvc_request_private(req) ((req)->private) -#define rpcsvc_request_xid(req) ((req)->xid) -#define rpcsvc_request_set_private(req,prv) (req)->private = (void *)(prv) -#define rpcsvc_request_record_iob(rq) ((rq)->recordiob) -#define rpcsvc_request_record_ref(req) (iobuf_ref ((req)->recordiob)) -#define rpcsvc_request_record_unref(req) (iobuf_unref ((req)->recordiob)) - - -#define RPCSVC_ACTOR_SUCCESS 0 -#define RPCSVC_ACTOR_ERROR (-1) - -/* Functor for every type of protocol actor - * must be defined like this. - * - * See the request structure for info on how to handle the request - * in the program actor. - * - * On successful santify checks inside the actor, it should return - * RPCSVC_ACTOR_SUCCESS. - * On an error, on which the RPC layer is expected to return a reply, the actor - * should return RPCSVC_ACTOR_ERROR. - * - */ -typedef int (*rpcsvc_actor) (rpcsvc_request_t *req); -typedef int (*rpcsvc_vector_actor) (rpcsvc_request_t *req, struct iobuf *iob); -typedef int (*rpcsvc_vector_sizer) (rpcsvc_request_t *req, ssize_t *readsize, - int *newiob); - -/* Every protocol actor will also need to specify the function the RPC layer - * will use to serialize or encode the message into XDR format just before - * transmitting on the connection. - */ -typedef void *(*rpcsvc_encode_reply) (void *msg); - -/* Once the reply has been transmitted, the message will have to be de-allocated - * , so every actor will need to provide a function that deallocates the message - * it had allocated as a response. - */ -typedef void (*rpcsvc_deallocate_reply) (void *msg); - - -#define RPCSVC_NAME_MAX 32 -/* The descriptor for each procedure/actor that runs - * over the RPC service. - */ -typedef struct rpcsvc_actor_desc { - char procname[RPCSVC_NAME_MAX]; - int procnum; - rpcsvc_actor actor; - - /* Handler for cases where the RPC requests fragments are large enough - * to benefit from being decoded into aligned memory addresses. While - * decoding the request in a non-vectored manner, due to the nature of - * the XDR scheme, RPC cannot guarantee memory aligned addresses for - * the resulting message-specific structures. Allowing a specialized - * handler for letting the RPC program read the data from the network - * directly into its alligned buffers. - */ - rpcsvc_vector_actor vector_actor; - rpcsvc_vector_sizer vector_sizer; - -} rpcsvc_actor_t; - -/* Describes a program and its version along with the function pointers - * required to handle the procedures/actors of each program/version. - * Never changed ever by any thread so no need for a lock. - */ -struct rpcsvc_program { - char progname[RPCSVC_NAME_MAX]; - int prognum; - int progver; - /* FIXME */ - dict_t *options; /* An opaque dictionary - * populated by the program - * (probably from xl->options) - * which contain enough - * information for transport to - * initialize. As a part of - * cleanup, the members of - * options which are of interest - * to transport should be put - * into a structure for better - * readability and structure - * should replace options member - * here. - */ - uint16_t progport; /* Registered with portmap */ -#if 0 - int progaddrfamily; /* AF_INET or AF_INET6 */ - char *proghost; /* Bind host, can be NULL */ -#endif - rpcsvc_actor_t *actors; /* All procedure handlers */ - int numactors; /* Num actors in actor array */ - int proghighvers; /* Highest ver for program - supported by the system. */ - int proglowvers; /* Lowest ver */ - - /* Program specific state handed to actors */ - void *private; - - - /* This upcall is provided by the program during registration. - * It is used to notify the program about events like connection being - * destroyed etc. The rpc program may take appropriate actions, for eg., - * in the case of connection being destroyed, it should cleanup its - * state stored in the connection. - */ - rpcsvc_notify_t notify; - - /* An integer that identifies the min auth strength that is required - * by this protocol, for eg. MOUNT3 needs AUTH_UNIX at least. - * See RFC 1813, Section 5.2.1. - */ - int min_auth; - - /* list member to link to list of registered services with rpcsvc */ - struct list_head program; -}; - - -/* All users of RPC services should use this API to register their - * procedure handlers. - */ -extern int -rpcsvc_program_register (rpcsvc_t *svc, rpcsvc_program_t program); - -extern int -rpcsvc_program_unregister (rpcsvc_t *svc, rpcsvc_program_t program); - -/* This will create and add a listener to listener pool. Programs can - * use any of the listener in this pool. A single listener can be used by - * multiple programs and vice versa. There can also be a one to one mapping - * between a program and a listener. After registering a program with rpcsvc, - * the program has to be associated with a listener using - * rpcsvc_program_register_portmap. - */ -/* FIXME: can multiple programs registered on same port? */ -extern rpcsvc_listener_t * -rpcsvc_create_listener (rpcsvc_t *svc, dict_t *options, char *name); - -extern int -rpcsvc_program_register_portmap (rpcsvc_program_t *newprog, - rpcsvc_conn_t *conn); - -/* Inits the global RPC service data structures. - * Called in main. - */ -extern rpcsvc_t * -rpcsvc_init (glusterfs_ctx_t *ctx, dict_t *options); - -int -rpcsvc_register_notify (rpcsvc_t *svc, rpcsvc_notify_t notify, void *mydata); - -/* unregister a notification callback @notify with data @mydata from svc. - * returns the number of notification callbacks unregistered. - */ -int -rpcsvc_unregister_notify (rpcsvc_t *svc, rpcsvc_notify_t notify, void *mydata); - -int -rpcsvc_submit_message (rpcsvc_request_t *req, struct iovec *proghdr, - int hdrcount, struct iovec *payload, int payloadcount, - struct iobref *iobref); - -int -rpcsvc_submit_generic (rpcsvc_request_t *req, struct iovec *proghdr, - int hdrcount, struct iovec *payload, int payloadcount, - struct iobref *iobref); - -extern int -rpcsvc_error_reply (rpcsvc_request_t *req); - -#define RPCSVC_PEER_STRLEN 1024 -#define RPCSVC_AUTH_ACCEPT 1 -#define RPCSVC_AUTH_REJECT 2 -#define RPCSVC_AUTH_DONTCARE 3 - -extern int -rpcsvc_conn_peername (rpcsvc_conn_t *conn, char *hostname, int hostlen); - -extern int -rpcsvc_conn_peeraddr (rpcsvc_conn_t *conn, char *addrstr, int addrlen, - struct sockaddr *returnsa, socklen_t sasize); - -extern int -rpcsvc_conn_peer_check (dict_t *options, char *volname, rpcsvc_conn_t *conn); - -extern int -rpcsvc_conn_privport_check (rpcsvc_t *svc, char *volname, rpcsvc_conn_t *conn); -#define rpcsvc_request_seterr(req, err) (req)->rpc_err = err -#define rpcsvc_request_set_autherr(req, err) (req)->auth_err = err - -extern int rpcsvc_submit_vectors (rpcsvc_request_t *req); - -extern int rpcsvc_request_attach_vector (rpcsvc_request_t *req, - struct iovec msgvec, struct iobuf *iob, - struct iobref *ioref, int finalvector); - - -typedef int (*auth_init_conn) (rpcsvc_conn_t *conn, void *priv); -typedef int (*auth_init_request) (rpcsvc_request_t *req, void *priv); -typedef int (*auth_request_authenticate) (rpcsvc_request_t *req, void *priv); - -/* This structure needs to be registered by every authentication scheme. - * Our authentication schemes are stored per connection because - * each connection will end up using a different authentication scheme. - */ -typedef struct rpcsvc_auth_ops { - auth_init_conn conn_init; - auth_init_request request_init; - auth_request_authenticate authenticate; -} rpcsvc_auth_ops_t; - -typedef struct rpcsvc_auth_flavour_desc { - char authname[RPCSVC_NAME_MAX]; - int authnum; - rpcsvc_auth_ops_t *authops; - void *authprivate; -} rpcsvc_auth_t; - -typedef void * (*rpcsvc_auth_initer_t) (rpcsvc_t *svc, dict_t *options); - -struct rpcsvc_auth_list { - struct list_head authlist; - rpcsvc_auth_initer_t init; - /* Should be the name with which we identify the auth scheme given - * in the volfile options. - * This should be different from the authname in rpc_auth_t - * in way that makes it easier to specify this scheme in the volfile. - * This is because the technical names of the schemes can be a bit - * arcane. - */ - char name[RPCSVC_NAME_MAX]; - rpcsvc_auth_t *auth; - int enable; -}; - -extern int -rpcsvc_auth_request_init (rpcsvc_request_t *req); - -extern int -rpcsvc_auth_init (rpcsvc_t *svc, dict_t *options); - -extern int -rpcsvc_auth_conn_init (rpcsvc_conn_t *xprt); - -extern int -rpcsvc_authenticate (rpcsvc_request_t *req); - -extern int -rpcsvc_auth_array (rpcsvc_t *svc, char *volname, int *autharr, int arrlen); - -/* If the request has been sent using AUTH_UNIX, this function returns the - * auxiliary gids as an array, otherwise, it returns NULL. - * Move to auth-unix specific source file when we need to modularize the - * authentication code even further to support mode auth schemes. - */ -extern gid_t * -rpcsvc_auth_unix_auxgids (rpcsvc_request_t *req, int *arrlen); - -extern int -rpcsvc_combine_gen_spec_volume_checks (int gen, int spec); - -extern char * -rpcsvc_volume_allowed (dict_t *options, char *volname); -#endif diff --git a/xlators/protocol/rpc/rpc-lib/src/xdr-common.h b/xlators/protocol/rpc/rpc-lib/src/xdr-common.h deleted file mode 100644 index 0c9ffb2f8..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/xdr-common.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _XDR_COMMON_H_ -#define _XDR_COMMON_H_ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <rpc/rpc.h> - -#if GF_DARWIN_HOST_OS -#define xdr_u_quad_t xdr_u_int64_t -#define xdr_quad_t xdr_int64_t -#define xdr_uint32_t xdr_u_int32_t -#endif - -struct auth_glusterfs_parms { - u_quad_t lk_owner; - u_int pid; - u_int uid; - u_int gid; - u_int ngrps; - u_int groups[16]; -}; -typedef struct auth_glusterfs_parms auth_glusterfs_parms; - -bool_t -xdr_auth_glusterfs_parms (XDR *xdrs, auth_glusterfs_parms *objp); - -#define XDR_BYTES_PER_UNIT 4 - -/* Returns the address of the byte that follows the - * last byte used for decoding the previous xdr component. - * For eg, once the RPC call for NFS has been decoded, thie macro will return - * the address from which the NFS header starts. - */ -#define xdr_decoded_remaining_addr(xdr) ((&xdr)->x_private) - -/* Returns the length of the remaining record after the previous decode - * operation completed. - */ -#define xdr_decoded_remaining_len(xdr) ((&xdr)->x_handy) - -/* Returns the number of bytes used by the last encode operation. */ -#define xdr_encoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base)) - -#define xdr_decoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base)) - -#endif diff --git a/xlators/protocol/rpc/rpc-lib/src/xdr-rpc.c b/xlators/protocol/rpc/rpc-lib/src/xdr-rpc.c deleted file mode 100644 index 088bddbf5..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/xdr-rpc.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <rpc/rpc.h> -#include <rpc/pmap_clnt.h> -#include <arpa/inet.h> -#include <rpc/xdr.h> -#include <sys/uio.h> -#include <rpc/auth_unix.h> - -#include "mem-pool.h" -#include "xdr-rpc.h" -#include "xdr-common.h" -#include "logging.h" - -/* Decodes the XDR format in msgbuf into rpc_msg. - * The remaining payload is returned into payload. - */ -int -xdr_to_rpc_call (char *msgbuf, size_t len, struct rpc_msg *call, - struct iovec *payload, char *credbytes, char *verfbytes) -{ - XDR xdr; - char opaquebytes[MAX_AUTH_BYTES]; - struct opaque_auth *oa = NULL; - - if ((!msgbuf) || (!call)) - return -1; - - memset (call, 0, sizeof (*call)); - - oa = &call->rm_call.cb_cred; - if (!credbytes) - oa->oa_base = opaquebytes; - else - oa->oa_base = credbytes; - - oa = &call->rm_call.cb_verf; - if (!verfbytes) - oa->oa_base = opaquebytes; - else - oa->oa_base = verfbytes; - - xdrmem_create (&xdr, msgbuf, len, XDR_DECODE); - if (!xdr_callmsg (&xdr, call)) - return -1; - - if (payload) { - payload->iov_base = xdr_decoded_remaining_addr (xdr); - payload->iov_len = xdr_decoded_remaining_len (xdr); - } - - return 0; -} - - -bool_t -true_func (XDR *s, caddr_t *a) -{ - return TRUE; -} - - -int -rpc_fill_empty_reply (struct rpc_msg *reply, uint32_t xid) -{ - if (!reply) - return -1; - - /* Setting to 0 also results in reply verifier flavor to be - * set to AUTH_NULL which is what we want right now. - */ - memset (reply, 0, sizeof (*reply)); - reply->rm_xid = xid; - reply->rm_direction = REPLY; - - return 0; -} - -int -rpc_fill_denied_reply (struct rpc_msg *reply, int rjstat, int auth_err) -{ - if (!reply) - return -1; - - reply->rm_reply.rp_stat = MSG_DENIED; - reply->rjcted_rply.rj_stat = rjstat; - if (rjstat == RPC_MISMATCH) { - /* No problem with hardocoding - * RPC version numbers. We only support - * v2 anyway. - */ - reply->rjcted_rply.rj_vers.low = 2; - reply->rjcted_rply.rj_vers.high = 2; - } else if (rjstat == AUTH_ERROR) - reply->rjcted_rply.rj_why = auth_err; - - return 0; -} - - -int -rpc_fill_accepted_reply (struct rpc_msg *reply, int arstat, int proglow, - int proghigh, int verf, int len, char *vdata) -{ - if (!reply) - return -1; - - reply->rm_reply.rp_stat = MSG_ACCEPTED; - reply->acpted_rply.ar_stat = arstat; - - reply->acpted_rply.ar_verf.oa_flavor = verf; - reply->acpted_rply.ar_verf.oa_length = len; - reply->acpted_rply.ar_verf.oa_base = vdata; - if (arstat == PROG_MISMATCH) { - reply->acpted_rply.ar_vers.low = proglow; - reply->acpted_rply.ar_vers.high = proghigh; - } else if (arstat == SUCCESS) { - - /* This is a hack. I'd really like to build a custom - * XDR library because Sun RPC interface is not very flexible. - */ - reply->acpted_rply.ar_results.proc = (xdrproc_t)true_func; - reply->acpted_rply.ar_results.where = NULL; - } - - return 0; -} - -int -rpc_reply_to_xdr (struct rpc_msg *reply, char *dest, size_t len, - struct iovec *dst) -{ - XDR xdr; - - if ((!dest) || (!reply) || (!dst)) - return -1; - - xdrmem_create (&xdr, dest, len, XDR_ENCODE); - if (!xdr_replymsg(&xdr, reply)) - return -1; - - dst->iov_base = dest; - dst->iov_len = xdr_encoded_length (xdr); - - return 0; -} - - -int -xdr_to_auth_unix_cred (char *msgbuf, int msglen, struct authunix_parms *au, - char *machname, gid_t *gids) -{ - XDR xdr; - - if ((!msgbuf) || (!machname) || (!gids) || (!au)) - return -1; - - au->aup_machname = machname; -#ifdef GF_DARWIN_HOST_OS - au->aup_gids = (int *)gids; -#else - au->aup_gids = gids; -#endif - - xdrmem_create (&xdr, msgbuf, msglen, XDR_DECODE); - - if (!xdr_authunix_parms (&xdr, au)) - return -1; - - return 0; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/xdr-rpc.h b/xlators/protocol/rpc/rpc-lib/src/xdr-rpc.h deleted file mode 100644 index 4c0ee69b1..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/xdr-rpc.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _XDR_RPC_H -#define _XDR_RPC_H_ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <rpc/rpc.h> -#include <rpc/pmap_clnt.h> -#include <arpa/inet.h> -#include <rpc/xdr.h> -#include <sys/uio.h> - -/* Converts a given network buffer from its XDR format to a structure - * that contains everything an RPC call needs to work. - */ -extern int -xdr_to_rpc_call (char *msgbuf, size_t len, struct rpc_msg *call, - struct iovec *payload, char *credbytes, char *verfbytes); - -extern int -rpc_fill_empty_reply (struct rpc_msg *reply, uint32_t xid); - -extern int -rpc_fill_denied_reply (struct rpc_msg *reply, int rjstat, int auth_err); - -extern int -rpc_fill_accepted_reply (struct rpc_msg *reply, int arstat, int proglow, - int proghigh, int verf, int len, char *vdata); -extern int -rpc_reply_to_xdr (struct rpc_msg *reply, char *dest, size_t len, - struct iovec *dst); - -extern int -xdr_to_auth_unix_cred (char *msgbuf, int msglen, struct authunix_parms *au, - char *machname, gid_t *gids); -/* Macros that simplify accesing the members of an RPC call structure. */ -#define rpc_call_xid(call) ((call)->rm_xid) -#define rpc_call_direction(call) ((call)->rm_direction) -#define rpc_call_rpcvers(call) ((call)->ru.RM_cmb.cb_rpcvers) -#define rpc_call_program(call) ((call)->ru.RM_cmb.cb_prog) -#define rpc_call_progver(call) ((call)->ru.RM_cmb.cb_vers) -#define rpc_call_progproc(call) ((call)->ru.RM_cmb.cb_proc) -#define rpc_opaque_auth_flavour(oa) ((oa)->oa_flavor) -#define rpc_opaque_auth_len(oa) ((oa)->oa_length) - -#define rpc_call_cred_flavour(call) (rpc_opaque_auth_flavour ((&(call)->ru.RM_cmb.cb_cred))) -#define rpc_call_cred_len(call) (rpc_opaque_auth_len ((&(call)->ru.RM_cmb.cb_cred))) - - -#define rpc_call_verf_flavour(call) (rpc_opaque_auth_flavour ((&(call)->ru.RM_cmb.cb_verf))) -#define rpc_call_verf_len(call) (rpc_opaque_auth_len ((&(call)->ru.RM_cmb.cb_verf))) - -#endif diff --git a/xlators/protocol/rpc/rpc-lib/src/xdr-rpcclnt.c b/xlators/protocol/rpc/rpc-lib/src/xdr-rpcclnt.c deleted file mode 100644 index 98676ae61..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/xdr-rpcclnt.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <rpc/rpc.h> -#include <rpc/pmap_clnt.h> -#include <arpa/inet.h> -#include <rpc/xdr.h> -#include <sys/uio.h> -#include <rpc/auth_unix.h> -#include <errno.h> - -#include "mem-pool.h" -#include "xdr-rpc.h" -#include "xdr-common.h" -#include "logging.h" - -/* Decodes the XDR format in msgbuf into rpc_msg. - * The remaining payload is returned into payload. - */ -int -xdr_to_rpc_reply (char *msgbuf, size_t len, struct rpc_msg *reply, - struct iovec *payload, char *verfbytes) -{ - XDR xdr; - int ret = -1; - - if ((!msgbuf) || (!reply)) { - ret = -EINVAL; - goto out; - } - - memset (reply, 0, sizeof (struct rpc_msg)); - - reply->acpted_rply.ar_verf = _null_auth; - reply->acpted_rply.ar_results.where = NULL; - reply->acpted_rply.ar_results.proc = (xdrproc_t)(xdr_void); - - xdrmem_create (&xdr, msgbuf, len, XDR_DECODE); - if (!xdr_replymsg (&xdr, reply)) { - ret = -errno; - goto out; - } - if (payload) { - payload->iov_base = xdr_decoded_remaining_addr (xdr); - payload->iov_len = xdr_decoded_remaining_len (xdr); - } - - ret = 0; -out: - return ret; -} - -#if 0 -bool_t -true_func (XDR *s, caddr_t *a) -{ - return TRUE; -} -#endif - -int -rpc_request_to_xdr (struct rpc_msg *request, char *dest, size_t len, - struct iovec *dst) -{ - XDR xdr; - int ret = -1; - - if ((!dest) || (!request) || (!dst)) { - goto out; - } - - xdrmem_create (&xdr, dest, len, XDR_ENCODE); - if (!xdr_callmsg (&xdr, request)) { - goto out; - } - - dst->iov_base = dest; - dst->iov_len = xdr_encoded_length (xdr); - - ret = 0; - -out: - return ret; -} - - -int -auth_unix_cred_to_xdr (struct authunix_parms *au, char *dest, size_t len, - struct iovec *iov) -{ - XDR xdr; - int ret = -1; - - if (!au || !dest || !iov) { - goto out; - } - - xdrmem_create (&xdr, dest, len, XDR_DECODE); - - if (!xdr_authunix_parms (&xdr, au)) { - goto out; - } - - iov->iov_base = dest; - iov->iov_len = xdr_encoded_length (xdr); - - ret = 0; -out: - return ret; -} diff --git a/xlators/protocol/rpc/rpc-lib/src/xdr-rpcclnt.h b/xlators/protocol/rpc/rpc-lib/src/xdr-rpcclnt.h deleted file mode 100644 index 37c3046d3..000000000 --- a/xlators/protocol/rpc/rpc-lib/src/xdr-rpcclnt.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _XDR_RPCCLNT_H -#define _XDR_RPCCLNT_H - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <rpc/rpc.h> -#include <rpc/pmap_clnt.h> -#include <arpa/inet.h> -#include <rpc/xdr.h> -#include <sys/uio.h> -#include <rpc/rpc_msg.h> -#include <rpc/auth_unix.h> - -/* Macros that simplify accesing the members of an RPC call structure. */ -#define rpc_reply_xid(reply) ((reply)->rm_xid) -#define rpc_reply_status(reply) ((reply)->ru.RM_rmb.rp_stat) -#define rpc_accepted_reply_status(reply) ((reply)->acpted_rply.ar_stat) -#define rpc_reply_verf_flavour(reply) ((reply)->acpted_rply.ar_verf.oa_flavor) - -int xdr_to_rpc_reply (char *msgbuf, size_t len, struct rpc_msg *reply, - struct iovec *payload, char *verfbytes); -int -rpc_request_to_xdr (struct rpc_msg *request, char *dest, size_t len, - struct iovec *dst); -int -auth_unix_cred_to_xdr (struct authunix_parms *au, char *dest, size_t len, - struct iovec *iov); - -#endif diff --git a/xlators/protocol/rpc/rpc-transport/Makefile.am b/xlators/protocol/rpc/rpc-transport/Makefile.am deleted file mode 100644 index 7dd9f026c..000000000 --- a/xlators/protocol/rpc/rpc-transport/Makefile.am +++ /dev/null @@ -1 +0,0 @@ -SUBDIRS = socket diff --git a/xlators/protocol/rpc/rpc-transport/socket/Makefile.am b/xlators/protocol/rpc/rpc-transport/socket/Makefile.am deleted file mode 100644 index f963effea..000000000 --- a/xlators/protocol/rpc/rpc-transport/socket/Makefile.am +++ /dev/null @@ -1 +0,0 @@ -SUBDIRS = src
\ No newline at end of file diff --git a/xlators/protocol/rpc/rpc-transport/socket/src/Makefile.am b/xlators/protocol/rpc/rpc-transport/socket/src/Makefile.am deleted file mode 100644 index 325a58bb0..000000000 --- a/xlators/protocol/rpc/rpc-transport/socket/src/Makefile.am +++ /dev/null @@ -1,15 +0,0 @@ -noinst_HEADERS = socket.h name.h - -rpctransport_LTLIBRARIES = socket.la -rpctransportdir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/rpc-transport - -socket_la_LDFLAGS = -module -avoidversion - -socket_la_SOURCES = socket.c name.c -socket_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la - -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS)\ - -I$(top_srcdir)/libglusterfs/src -I$(top_srcdir)/xlators/protocol/rpc/rpc-lib/src/ \ - -I$(top_srcdir)/xlators/protocol/lib/src/ -shared -nostartfiles $(GF_CFLAGS) - -CLEANFILES = *~ diff --git a/xlators/protocol/rpc/rpc-transport/socket/src/name.c b/xlators/protocol/rpc/rpc-transport/socket/src/name.c deleted file mode 100644 index 763fa3dd0..000000000 --- a/xlators/protocol/rpc/rpc-transport/socket/src/name.c +++ /dev/null @@ -1,737 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <errno.h> -#include <netdb.h> -#include <string.h> - -#ifdef CLIENT_PORT_CEILING -#undef CLIENT_PORT_CEILING -#endif - -#define CLIENT_PORT_CEILING 1024 - -#ifndef AF_INET_SDP -#define AF_INET_SDP 27 -#endif - -#include "rpc-transport.h" -#include "socket.h" - -int32_t -gf_resolve_ip6 (const char *hostname, - uint16_t port, - int family, - void **dnscache, - struct addrinfo **addr_info); - -static int32_t -af_inet_bind_to_port_lt_ceiling (int fd, struct sockaddr *sockaddr, - socklen_t sockaddr_len, int ceiling) -{ - int32_t ret = -1; - /* struct sockaddr_in sin = {0, }; */ - uint16_t port = ceiling - 1; - - while (port) - { - switch (sockaddr->sa_family) - { - case AF_INET6: - ((struct sockaddr_in6 *)sockaddr)->sin6_port = htons (port); - break; - - case AF_INET_SDP: - case AF_INET: - ((struct sockaddr_in *)sockaddr)->sin_port = htons (port); - break; - } - - ret = bind (fd, sockaddr, sockaddr_len); - - if (ret == 0) - break; - - if (ret == -1 && errno == EACCES) - break; - - port--; - } - - return ret; -} - -static int32_t -af_unix_client_bind (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t sockaddr_len, - int sock) -{ - data_t *path_data = NULL; - struct sockaddr_un *addr = NULL; - int32_t ret = 0; - - path_data = dict_get (this->options, "transport.socket.bind-path"); - if (path_data) { - char *path = data_to_str (path_data); - if (!path || strlen (path) > UNIX_PATH_MAX) { - gf_log (this->name, GF_LOG_TRACE, - "bind-path not specfied for unix socket, " - "letting connect to assign default value"); - goto err; - } - - addr = (struct sockaddr_un *) sockaddr; - strcpy (addr->sun_path, path); - ret = bind (sock, (struct sockaddr *)addr, sockaddr_len); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "cannot bind to unix-domain socket %d (%s)", - sock, strerror (errno)); - goto err; - } - } else { - gf_log (this->name, GF_LOG_TRACE, - "bind-path not specfied for unix socket, " - "letting connect to assign default value"); - } - -err: - return ret; -} - -int32_t -client_fill_address_family (rpc_transport_t *this, sa_family_t *sa_family) -{ - data_t *address_family_data = NULL; - int32_t ret = -1; - - if (sa_family == NULL) { - goto out; - } - - address_family_data = dict_get (this->options, - "transport.address-family"); - if (!address_family_data) { - data_t *remote_host_data = NULL, *connect_path_data = NULL; - remote_host_data = dict_get (this->options, "remote-host"); - connect_path_data = dict_get (this->options, - "transport.socket.connect-path"); - - if (!(remote_host_data || connect_path_data) || - (remote_host_data && connect_path_data)) { - gf_log (this->name, GF_LOG_ERROR, - "transport.address-family not specified and " - "not able to determine the " - "same from other options (remote-host:%s and " - "transport.unix.connect-path:%s)", - data_to_str (remote_host_data), - data_to_str (connect_path_data)); - goto out; - } - - if (remote_host_data) { - gf_log (this->name, GF_LOG_DEBUG, - "address-family not specified, guessing it " - "to be inet/inet6"); - *sa_family = AF_UNSPEC; - } else { - gf_log (this->name, GF_LOG_DEBUG, - "address-family not specified, guessing it " - "to be unix"); - *sa_family = AF_UNIX; - } - - } else { - char *address_family = data_to_str (address_family_data); - if (!strcasecmp (address_family, "unix")) { - *sa_family = AF_UNIX; - } else if (!strcasecmp (address_family, "inet")) { - *sa_family = AF_INET; - } else if (!strcasecmp (address_family, "inet6")) { - *sa_family = AF_INET6; - } else if (!strcasecmp (address_family, "inet-sdp")) { - *sa_family = AF_INET_SDP; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - *sa_family = AF_UNSPEC; - } else { - gf_log (this->name, GF_LOG_ERROR, - "unknown address-family (%s) specified", - address_family); - goto out; - } - } - - ret = 0; - -out: - return ret; -} - -static int32_t -af_inet_client_get_remote_sockaddr (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len) -{ - dict_t *options = this->options; - data_t *remote_host_data = NULL; - data_t *remote_port_data = NULL; - char *remote_host = NULL; - uint16_t remote_port = 0; - struct addrinfo *addr_info = NULL; - int32_t ret = 0; - - remote_host_data = dict_get (options, "remote-host"); - if (remote_host_data == NULL) - { - gf_log (this->name, GF_LOG_ERROR, - "option remote-host missing in volume %s", this->name); - ret = -1; - goto err; - } - - remote_host = data_to_str (remote_host_data); - if (remote_host == NULL) - { - gf_log (this->name, GF_LOG_ERROR, - "option remote-host has data NULL in volume %s", this->name); - ret = -1; - goto err; - } - - remote_port_data = dict_get (options, "remote-port"); - if (remote_port_data == NULL) - { - gf_log (this->name, GF_LOG_TRACE, - "option remote-port missing in volume %s. Defaulting to %d", - this->name, GF_DEFAULT_SOCKET_LISTEN_PORT); - - remote_port = GF_DEFAULT_SOCKET_LISTEN_PORT; - } - else - { - remote_port = data_to_uint16 (remote_port_data); - } - - if (remote_port == (uint16_t)-1) - { - gf_log (this->name, GF_LOG_ERROR, - "option remote-port has invalid port in volume %s", - this->name); - ret = -1; - goto err; - } - - /* TODO: gf_resolve is a blocking call. kick in some - non blocking dns techniques */ - ret = gf_resolve_ip6 (remote_host, remote_port, - sockaddr->sa_family, &this->dnscache, &addr_info); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "DNS resolution failed on host %s", remote_host); - goto err; - } - - memcpy (sockaddr, addr_info->ai_addr, addr_info->ai_addrlen); - *sockaddr_len = addr_info->ai_addrlen; - -err: - return ret; -} - -static int32_t -af_unix_client_get_remote_sockaddr (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len) -{ - struct sockaddr_un *sockaddr_un = NULL; - char *connect_path = NULL; - data_t *connect_path_data = NULL; - int32_t ret = 0; - - connect_path_data = dict_get (this->options, - "transport.socket.connect-path"); - if (!connect_path_data) { - gf_log (this->name, GF_LOG_ERROR, - "option transport.unix.connect-path not specified for " - "address-family unix"); - ret = -1; - goto err; - } - - connect_path = data_to_str (connect_path_data); - if (!connect_path) { - gf_log (this->name, GF_LOG_ERROR, - "transport.unix.connect-path is null-string"); - ret = -1; - goto err; - } - - if (strlen (connect_path) > UNIX_PATH_MAX) { - gf_log (this->name, GF_LOG_ERROR, - "connect-path value length %"GF_PRI_SIZET" > %d octets", - strlen (connect_path), UNIX_PATH_MAX); - ret = -1; - goto err; - } - - gf_log (this->name, GF_LOG_TRACE, - "using connect-path %s", connect_path); - sockaddr_un = (struct sockaddr_un *)sockaddr; - strcpy (sockaddr_un->sun_path, connect_path); - *sockaddr_len = sizeof (struct sockaddr_un); - -err: - return ret; -} - -static int32_t -af_unix_server_get_local_sockaddr (rpc_transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) -{ - data_t *listen_path_data = NULL; - char *listen_path = NULL; - int32_t ret = 0; - struct sockaddr_un *sunaddr = (struct sockaddr_un *)addr; - - - listen_path_data = dict_get (this->options, - "transport.socket.listen-path"); - if (!listen_path_data) { - gf_log (this->name, GF_LOG_ERROR, - "missing option transport.socket.listen-path"); - ret = -1; - goto err; - } - - listen_path = data_to_str (listen_path_data); - -#ifndef UNIX_PATH_MAX -#define UNIX_PATH_MAX 108 -#endif - - if (strlen (listen_path) > UNIX_PATH_MAX) { - gf_log (this->name, GF_LOG_ERROR, - "option transport.unix.listen-path has value length " - "%"GF_PRI_SIZET" > %d", - strlen (listen_path), UNIX_PATH_MAX); - ret = -1; - goto err; - } - - sunaddr->sun_family = AF_UNIX; - strcpy (sunaddr->sun_path, listen_path); - *addr_len = sizeof (struct sockaddr_un); - -err: - return ret; -} - -static int32_t -af_inet_server_get_local_sockaddr (rpc_transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) -{ - struct addrinfo hints, *res = 0; - data_t *listen_port_data = NULL, *listen_host_data = NULL; - uint16_t listen_port = -1; - char service[NI_MAXSERV], *listen_host = NULL; - dict_t *options = NULL; - int32_t ret = 0; - - options = this->options; - - listen_port_data = dict_get (options, "transport.socket.listen-port"); - listen_host_data = dict_get (options, "transport.socket.bind-address"); - - if (listen_port_data) - { - listen_port = data_to_uint16 (listen_port_data); - } - - if (listen_port == (uint16_t) -1) - listen_port = GF_DEFAULT_SOCKET_LISTEN_PORT; - - - if (listen_host_data) - { - listen_host = data_to_str (listen_host_data); - } else { - if (addr->sa_family == AF_INET6) { - struct sockaddr_in6 *in = (struct sockaddr_in6 *) addr; - in->sin6_addr = in6addr_any; - in->sin6_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in6); - goto out; - } else if (addr->sa_family == AF_INET) { - struct sockaddr_in *in = (struct sockaddr_in *) addr; - in->sin_addr.s_addr = htonl(INADDR_ANY); - in->sin_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in); - goto out; - } - } - - memset (service, 0, sizeof (service)); - sprintf (service, "%d", listen_port); - - memset (&hints, 0, sizeof (hints)); - hints.ai_family = addr->sa_family; - hints.ai_socktype = SOCK_STREAM; - hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE; - - ret = getaddrinfo(listen_host, service, &hints, &res); - if (ret != 0) { - gf_log (this->name, GF_LOG_ERROR, - "getaddrinfo failed for host %s, service %s (%s)", - listen_host, service, gai_strerror (ret)); - ret = -1; - goto out; - } - - memcpy (addr, res->ai_addr, res->ai_addrlen); - *addr_len = res->ai_addrlen; - - freeaddrinfo (res); - -out: - return ret; -} - -int32_t -client_bind (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - int sock) -{ - int ret = 0; - - *sockaddr_len = sizeof (struct sockaddr_in6); - switch (sockaddr->sa_family) - { - case AF_INET_SDP: - case AF_INET: - *sockaddr_len = sizeof (struct sockaddr_in); - - case AF_INET6: - ret = af_inet_bind_to_port_lt_ceiling (sock, sockaddr, - *sockaddr_len, CLIENT_PORT_CEILING); - if (ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "cannot bind inet socket (%d) to port less than %d (%s)", - sock, CLIENT_PORT_CEILING, strerror (errno)); - ret = 0; - } - break; - - case AF_UNIX: - *sockaddr_len = sizeof (struct sockaddr_un); - ret = af_unix_client_bind (this, (struct sockaddr *)sockaddr, - *sockaddr_len, sock); - break; - - default: - gf_log (this->name, GF_LOG_ERROR, - "unknown address family %d", sockaddr->sa_family); - ret = -1; - break; - } - - return ret; -} - -int32_t -socket_client_get_remote_sockaddr (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - sa_family_t *sa_family) -{ - int32_t ret = 0; - - if ((sockaddr == NULL) || (sockaddr_len == NULL) - || (sa_family == NULL)) { - ret = -1; - goto err; - } - - - ret = client_fill_address_family (this, &sockaddr->sa_family); - if (ret) { - ret = -1; - goto err; - } - - *sa_family = sockaddr->sa_family; - - switch (sockaddr->sa_family) - { - case AF_INET_SDP: - sockaddr->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - case AF_UNSPEC: - ret = af_inet_client_get_remote_sockaddr (this, sockaddr, - sockaddr_len); - break; - - case AF_UNIX: - ret = af_unix_client_get_remote_sockaddr (this, sockaddr, - sockaddr_len); - break; - - default: - gf_log (this->name, GF_LOG_ERROR, - "unknown address-family %d", sockaddr->sa_family); - ret = -1; - } - - if (*sa_family == AF_UNSPEC) { - *sa_family = sockaddr->sa_family; - } - -err: - return ret; -} - - -int32_t -server_fill_address_family (rpc_transport_t *this, sa_family_t *sa_family) -{ - data_t *address_family_data = NULL; - int32_t ret = -1; - - if (sa_family == NULL) { - goto out; - } - - address_family_data = dict_get (this->options, - "transport.address-family"); - if (address_family_data) { - char *address_family = NULL; - address_family = data_to_str (address_family_data); - - if (!strcasecmp (address_family, "inet")) { - *sa_family = AF_INET; - } else if (!strcasecmp (address_family, "inet6")) { - *sa_family = AF_INET6; - } else if (!strcasecmp (address_family, "inet-sdp")) { - *sa_family = AF_INET_SDP; - } else if (!strcasecmp (address_family, "unix")) { - *sa_family = AF_UNIX; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - *sa_family = AF_UNSPEC; - } else { - gf_log (this->name, GF_LOG_ERROR, - "unknown address family (%s) specified", address_family); - goto out; - } - } else { - gf_log (this->name, GF_LOG_DEBUG, - "option address-family not specified, defaulting to inet/inet6"); - *sa_family = AF_UNSPEC; - } - - ret = 0; -out: - return ret; -} - - -int32_t -socket_server_get_local_sockaddr (rpc_transport_t *this, struct sockaddr *addr, - socklen_t *addr_len, sa_family_t *sa_family) -{ - int32_t ret = -1; - - if ((addr == NULL) || (addr_len == NULL) || (sa_family == NULL)) { - goto err; - } - - ret = server_fill_address_family (this, &addr->sa_family); - if (ret == -1) { - goto err; - } - - *sa_family = addr->sa_family; - - switch (addr->sa_family) - { - case AF_INET_SDP: - addr->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - case AF_UNSPEC: - ret = af_inet_server_get_local_sockaddr (this, addr, addr_len); - break; - - case AF_UNIX: - ret = af_unix_server_get_local_sockaddr (this, addr, addr_len); - break; - } - - if (*sa_family == AF_UNSPEC) { - *sa_family = addr->sa_family; - } - -err: - return ret; -} - -int32_t -fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *addr, - int32_t addr_len, char *identifier) -{ - int32_t ret = 0, tmpaddr_len = 0; - char service[NI_MAXSERV], host[NI_MAXHOST]; - struct sockaddr_storage tmpaddr; - - memset (&tmpaddr, 0, sizeof (tmpaddr)); - tmpaddr = *addr; - tmpaddr_len = addr_len; - - if (((struct sockaddr *) &tmpaddr)->sa_family == AF_INET6) { - int32_t one_to_four, four_to_eight, twelve_to_sixteen; - int16_t eight_to_ten, ten_to_twelve; - - one_to_four = four_to_eight = twelve_to_sixteen = 0; - eight_to_ten = ten_to_twelve = 0; - - one_to_four = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[0]; - four_to_eight = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[1]; -#ifdef GF_SOLARIS_HOST_OS - eight_to_ten = S6_ADDR16(((struct sockaddr_in6 *) &tmpaddr)->sin6_addr)[4]; -#else - eight_to_ten = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr16[4]; -#endif - -#ifdef GF_SOLARIS_HOST_OS - ten_to_twelve = S6_ADDR16(((struct sockaddr_in6 *) &tmpaddr)->sin6_addr)[5]; -#else - ten_to_twelve = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr16[5]; -#endif - - twelve_to_sixteen = ((struct sockaddr_in6 *) &tmpaddr)->sin6_addr.s6_addr32[3]; - - /* ipv4 mapped ipv6 address has - bits 0-80: 0 - bits 80-96: 0xffff - bits 96-128: ipv4 address - */ - - if (one_to_four == 0 && - four_to_eight == 0 && - eight_to_ten == 0 && - ten_to_twelve == -1) { - struct sockaddr_in *in_ptr = (struct sockaddr_in *)&tmpaddr; - memset (&tmpaddr, 0, sizeof (tmpaddr)); - - in_ptr->sin_family = AF_INET; - in_ptr->sin_port = ((struct sockaddr_in6 *)addr)->sin6_port; - in_ptr->sin_addr.s_addr = twelve_to_sixteen; - tmpaddr_len = sizeof (*in_ptr); - } - } - - ret = getnameinfo ((struct sockaddr *) &tmpaddr, - tmpaddr_len, - host, sizeof (host), - service, sizeof (service), - NI_NUMERICHOST | NI_NUMERICSERV); - if (ret != 0) { - gf_log (this->name, GF_LOG_ERROR, - "getnameinfo failed (%s)", gai_strerror (ret)); - } - - sprintf (identifier, "%s:%s", host, service); - - return ret; -} - -int32_t -get_transport_identifiers (rpc_transport_t *this) -{ - int32_t ret = 0; - char is_inet_sdp = 0; - - switch (((struct sockaddr *) &this->myinfo.sockaddr)->sa_family) - { - case AF_INET_SDP: - is_inet_sdp = 1; - ((struct sockaddr *) &this->peerinfo.sockaddr)->sa_family = ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family = AF_INET; - - case AF_INET: - case AF_INET6: - { - ret = fill_inet6_inet_identifiers (this, - &this->myinfo.sockaddr, - this->myinfo.sockaddr_len, - this->myinfo.identifier); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "cannot fill inet/inet6 identifier for server"); - goto err; - } - - ret = fill_inet6_inet_identifiers (this, - &this->peerinfo.sockaddr, - this->peerinfo.sockaddr_len, - this->peerinfo.identifier); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "cannot fill inet/inet6 identifier for client"); - goto err; - } - - if (is_inet_sdp) { - ((struct sockaddr *) &this->peerinfo.sockaddr)->sa_family = ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family = AF_INET_SDP; - } - } - break; - - case AF_UNIX: - { - struct sockaddr_un *sunaddr = NULL; - - sunaddr = (struct sockaddr_un *) &this->myinfo.sockaddr; - strcpy (this->myinfo.identifier, sunaddr->sun_path); - - sunaddr = (struct sockaddr_un *) &this->peerinfo.sockaddr; - strcpy (this->peerinfo.identifier, sunaddr->sun_path); - } - break; - - default: - gf_log (this->name, GF_LOG_ERROR, - "unknown address family (%d)", - ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family); - ret = -1; - break; - } - -err: - return ret; -} diff --git a/xlators/protocol/rpc/rpc-transport/socket/src/name.h b/xlators/protocol/rpc/rpc-transport/socket/src/name.h deleted file mode 100644 index 6a89d383b..000000000 --- a/xlators/protocol/rpc/rpc-transport/socket/src/name.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _SOCKET_NAME_H -#define _SOCKET_NAME_H - -#include "compat.h" - -int32_t -client_bind (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - int sock); - -int32_t -socket_client_get_remote_sockaddr (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - sa_family_t *sa_family); - -int32_t -socket_server_get_local_sockaddr (rpc_transport_t *this, struct sockaddr *addr, - socklen_t *addr_len, sa_family_t *sa_family); - -int32_t -get_transport_identifiers (rpc_transport_t *this); - -#endif /* _SOCKET_NAME_H */ diff --git a/xlators/protocol/rpc/rpc-transport/socket/src/socket.c b/xlators/protocol/rpc/rpc-transport/socket/src/socket.c deleted file mode 100644 index 4ca7121e8..000000000 --- a/xlators/protocol/rpc/rpc-transport/socket/src/socket.c +++ /dev/null @@ -1,2308 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "socket.h" -#include "name.h" -#include "dict.h" -#include "rpc-transport.h" -#include "logging.h" -#include "xlator.h" -#include "byte-order.h" -#include "common-utils.h" -#include "compat-errno.h" -#include "protocol-common.h" - -#include "glusterfs-xdr.h" -#include <fcntl.h> -#include <errno.h> -#include <netinet/tcp.h> - -#define GF_LOG_ERRNO(errno) ((errno == ENOTCONN) ? GF_LOG_DEBUG : GF_LOG_ERROR) -#define SA(ptr) ((struct sockaddr *)ptr) - -#define __socket_proto_reset_pending(priv) do { \ - memset (&priv->incoming.frag.vector, 0, \ - sizeof (priv->incoming.frag.vector)); \ - priv->incoming.frag.pending_vector = \ - &priv->incoming.frag.vector; \ - priv->incoming.frag.pending_vector->iov_base = \ - priv->incoming.frag.fragcurrent; \ - priv->incoming.pending_vector = \ - priv->incoming.frag.pending_vector; \ - } while (0); - - -#define __socket_proto_update_pending(priv) \ - do { \ - uint32_t remaining_fragsize = 0; \ - if (priv->incoming.frag.pending_vector->iov_len == 0) { \ - remaining_fragsize = RPC_FRAGSIZE (priv->incoming.fraghdr) \ - - priv->incoming.frag.bytes_read; \ - \ - priv->incoming.frag.pending_vector->iov_len = \ - remaining_fragsize > priv->incoming.frag.remaining_size \ - ? priv->incoming.frag.remaining_size : remaining_fragsize; \ - \ - priv->incoming.frag.remaining_size -= \ - priv->incoming.frag.pending_vector->iov_len; \ - } \ - } while (0); - -#define __socket_proto_update_priv_after_read(priv, ret, bytes_read) \ - { \ - priv->incoming.frag.fragcurrent += bytes_read; \ - priv->incoming.frag.bytes_read += bytes_read; \ - \ - if ((ret > 0) || (priv->incoming.frag.remaining_size != 0)) { \ - if (priv->incoming.frag.remaining_size != 0) { \ - __socket_proto_reset_pending (priv); \ - } \ - \ - gf_log (this->name, GF_LOG_TRACE, "partial read on non-blocking socket"); \ - \ - break; \ - } \ - } - -#define __socket_proto_init_pending(priv, size) \ - do { \ - uint32_t remaining_fragsize = 0; \ - remaining_fragsize = RPC_FRAGSIZE (priv->incoming.fraghdr) \ - - priv->incoming.frag.bytes_read; \ - \ - __socket_proto_reset_pending (priv); \ - \ - priv->incoming.frag.pending_vector->iov_len = \ - remaining_fragsize > size ? size : remaining_fragsize; \ - \ - priv->incoming.frag.remaining_size = \ - size - priv->incoming.frag.pending_vector->iov_len; \ - \ -} while (0); - - -/* This will be used in a switch case and breaks from the switch case if all - * the pending data is not read. - */ -#define __socket_proto_read(priv, ret) \ - { \ - size_t bytes_read = 0; \ - \ - __socket_proto_update_pending (priv); \ - \ - ret = __socket_readv (this, \ - priv->incoming.pending_vector, 1, \ - &priv->incoming.pending_vector, \ - &priv->incoming.pending_count, \ - &bytes_read); \ - if (ret == -1) { \ - gf_log (this->name, GF_LOG_TRACE, \ - "reading from socket failed. Error (%s), " \ - "peer (%s)", strerror (errno), \ - this->peerinfo.identifier); \ - break; \ - } \ - __socket_proto_update_priv_after_read (priv, ret, bytes_read); \ - } - - -int socket_init (rpc_transport_t *this); - -/* - * return value: - * 0 = success (completed) - * -1 = error - * > 0 = incomplete - */ - -int -__socket_rwv (rpc_transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count, size_t *bytes, - int write) -{ - socket_private_t *priv = NULL; - int sock = -1; - int ret = -1; - struct iovec *opvector = NULL; - int opcount = 0; - int moved = 0; - - priv = this->private; - sock = priv->sock; - - opvector = vector; - opcount = count; - - if (bytes != NULL) { - *bytes = 0; - } - - while (opcount) { - if (write) { - ret = writev (sock, opvector, opcount); - - if (ret == 0 || (ret == -1 && errno == EAGAIN)) { - /* done for now */ - break; - } - } else { - ret = readv (sock, opvector, opcount); - if (ret == -1 && errno == EAGAIN) { - /* done for now */ - break; - } - } - - if (ret == 0) { - /* Mostly due to 'umount' in client */ - - gf_log (this->name, GF_LOG_TRACE, - "EOF from peer %s", this->peerinfo.identifier); - opcount = -1; - errno = ENOTCONN; - break; - } - if (ret == -1) { - if (errno == EINTR) - continue; - - gf_log (this->name, GF_LOG_TRACE, - "%s failed (%s)", write ? "writev" : "readv", - strerror (errno)); - opcount = -1; - break; - } - - if (bytes != NULL) { - *bytes += ret; - } - - moved = 0; - - while (moved < ret) { - if ((ret - moved) >= opvector[0].iov_len) { - moved += opvector[0].iov_len; - opvector++; - opcount--; - } else { - opvector[0].iov_len -= (ret - moved); - opvector[0].iov_base += (ret - moved); - moved += (ret - moved); - } - while (opcount && !opvector[0].iov_len) { - opvector++; - opcount--; - } - } - } - - if (pending_vector) - *pending_vector = opvector; - - if (pending_count) - *pending_count = opcount; - - return opcount; -} - - -int -__socket_readv (rpc_transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count, - size_t *bytes) -{ - int ret = -1; - - ret = __socket_rwv (this, vector, count, - pending_vector, pending_count, bytes, 0); - - return ret; -} - - -int -__socket_writev (rpc_transport_t *this, struct iovec *vector, int count, - struct iovec **pending_vector, int *pending_count) -{ - int ret = -1; - - ret = __socket_rwv (this, vector, count, - pending_vector, pending_count, NULL, 1); - - return ret; -} - - -int -__socket_disconnect (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - if (priv->sock != -1) { - ret = shutdown (priv->sock, SHUT_RDWR); - priv->connected = -1; - gf_log (this->name, GF_LOG_TRACE, - "shutdown() returned %d. set connection state to -1", - ret); - } - - return ret; -} - - -int -__socket_server_bind (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - int opt = 1; - - priv = this->private; - - ret = setsockopt (priv->sock, SOL_SOCKET, SO_REUSEADDR, - &opt, sizeof (opt)); - - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "setsockopt() for SO_REUSEADDR failed (%s)", - strerror (errno)); - } - - ret = bind (priv->sock, (struct sockaddr *)&this->myinfo.sockaddr, - this->myinfo.sockaddr_len); - - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "binding to %s failed: %s", - this->myinfo.identifier, strerror (errno)); - if (errno == EADDRINUSE) { - gf_log (this->name, GF_LOG_ERROR, - "Port is already in use"); - } - } - - return ret; -} - - -int -__socket_nonblock (int fd) -{ - int flags = 0; - int ret = -1; - - flags = fcntl (fd, F_GETFL); - - if (flags != -1) - ret = fcntl (fd, F_SETFL, flags | O_NONBLOCK); - - return ret; -} - - -int -__socket_nodelay (int fd) -{ - int on = 1; - int ret = -1; - - ret = setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, - &on, sizeof (on)); - if (!ret) - gf_log ("", GF_LOG_TRACE, - "NODELAY enabled for socket %d", fd); - - return ret; -} - -int -__socket_connect_finish (int fd) -{ - int ret = -1; - int optval = 0; - socklen_t optlen = sizeof (int); - - ret = getsockopt (fd, SOL_SOCKET, SO_ERROR, (void *)&optval, &optlen); - - if (ret == 0 && optval) { - errno = optval; - ret = -1; - } - - return ret; -} - - -void -__socket_reset (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - - priv = this->private; - - /* TODO: use mem-pool on incoming data */ - - if (priv->incoming.iobuf) { - iobuf_unref (priv->incoming.iobuf); - } - - if (priv->incoming.vectoriob) { - iobuf_unref (priv->incoming.vectoriob); - } - - memset (&priv->incoming, 0, sizeof (priv->incoming)); - - event_unregister (this->ctx->event_pool, priv->sock, priv->idx); - - close (priv->sock); - priv->sock = -1; - priv->idx = -1; - priv->connected = -1; -} - - -struct ioq * -__socket_ioq_new (rpc_transport_t *this, rpc_transport_msg_t *msg) -{ - socket_private_t *priv = NULL; - struct ioq *entry = NULL; - int count = 0; - - priv = this->private; - - /* TODO: use mem-pool */ - entry = GF_CALLOC (1, sizeof (*entry), gf_common_mt_ioq); - if (!entry) - return NULL; - - count = msg->rpchdrcount + msg->proghdrcount + msg->progpayloadcount; - - assert (count <= MAX_IOVEC); - - if (msg->rpchdr != NULL) { - memcpy (&entry->vector[0], msg->rpchdr, - sizeof (struct iovec) * msg->rpchdrcount); - entry->count += msg->rpchdrcount; - } - - if (msg->proghdr != NULL) { - memcpy (&entry->vector[entry->count], msg->proghdr, - sizeof (struct iovec) * msg->proghdrcount); - entry->count += msg->proghdrcount; - } - - if (msg->progpayload != NULL) { - memcpy (&entry->vector[entry->count], msg->progpayload, - sizeof (struct iovec) * msg->progpayloadcount); - entry->count += msg->progpayloadcount; - } - - entry->pending_vector = entry->vector; - entry->pending_count = entry->count; - - if (msg->iobref != NULL) - entry->iobref = iobref_ref (msg->iobref); - - INIT_LIST_HEAD (&entry->list); - - return entry; -} - - -void -__socket_ioq_entry_free (struct ioq *entry) -{ - list_del_init (&entry->list); - if (entry->iobref) - iobref_unref (entry->iobref); - - /* TODO: use mem-pool */ - GF_FREE (entry); -} - - -void -__socket_ioq_flush (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - struct ioq *entry = NULL; - - priv = this->private; - - while (!list_empty (&priv->ioq)) { - entry = priv->ioq_next; - __socket_ioq_entry_free (entry); - } - - return; -} - - -int -__socket_ioq_churn_entry (rpc_transport_t *this, struct ioq *entry) -{ - int ret = -1; - - ret = __socket_writev (this, entry->pending_vector, - entry->pending_count, - &entry->pending_vector, - &entry->pending_count); - - if (ret == 0) { - /* current entry was completely written */ - assert (entry->pending_count == 0); - __socket_ioq_entry_free (entry); - } - - return ret; -} - - -int -__socket_ioq_churn (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = 0; - struct ioq *entry = NULL; - - priv = this->private; - - while (!list_empty (&priv->ioq)) { - /* pick next entry */ - entry = priv->ioq_next; - - ret = __socket_ioq_churn_entry (this, entry); - - if (ret != 0) - break; - } - - if (list_empty (&priv->ioq)) { - /* all pending writes done, not interested in POLLOUT */ - priv->idx = event_select_on (this->ctx->event_pool, - priv->sock, priv->idx, -1, 0); - } - - return ret; -} - - -int -socket_event_poll_err (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - __socket_ioq_flush (this); - __socket_reset (this); - } - pthread_mutex_unlock (&priv->lock); - - rpc_transport_notify (this, RPC_TRANSPORT_DISCONNECT, this); - - return ret; -} - - -int -socket_event_poll_out (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected == 1) { - ret = __socket_ioq_churn (this); - - if (ret == -1) { - __socket_disconnect (this); - } - } - } - pthread_mutex_unlock (&priv->lock); - - ret = rpc_transport_notify (this, RPC_TRANSPORT_MSG_SENT, NULL); - - return ret; -} - - -inline int -__socket_read_simple_msg (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = 0; - uint32_t remaining_size = 0; - size_t bytes_read = 0; - - priv = this->private; - - switch (priv->incoming.frag.simple_state) { - - case SP_STATE_SIMPLE_MSG_INIT: - remaining_size = RPC_FRAGSIZE (priv->incoming.fraghdr) - - priv->incoming.frag.bytes_read; - - __socket_proto_init_pending (priv, remaining_size); - - priv->incoming.frag.simple_state = - SP_STATE_READING_SIMPLE_MSG; - - /* fall through */ - - case SP_STATE_READING_SIMPLE_MSG: - ret = 0; - - remaining_size = RPC_FRAGSIZE (priv->incoming.fraghdr) - - priv->incoming.frag.bytes_read; - - if (remaining_size > 0) { - ret = __socket_readv (this, - priv->incoming.pending_vector, 1, - &priv->incoming.pending_vector, - &priv->incoming.pending_count, - &bytes_read); - } - - if (ret == -1) { - gf_log (this->name, GF_LOG_TRACE, - "reading from socket failed. Error (%s), " - "peer (%s)", strerror (errno), - this->peerinfo.identifier); - break; - } - - priv->incoming.frag.bytes_read += bytes_read; - priv->incoming.frag.fragcurrent += bytes_read; - - if (ret > 0) { - gf_log (this->name, GF_LOG_TRACE, - "partial read on non-blocking socket."); - break; - } - - if (ret == 0) { - priv->incoming.frag.simple_state - = SP_STATE_SIMPLE_MSG_INIT; - } - } - - return ret; -} - - -inline int -__socket_read_simple_request (rpc_transport_t *this) -{ - return __socket_read_simple_msg (this); -} - - -#define rpc_cred_addr(buf) (buf + RPC_MSGTYPE_SIZE + RPC_CALL_BODY_SIZE - 4) - -#define rpc_verf_addr(fragcurrent) (fragcurrent - 4) - - -inline int -__socket_read_vectored_request (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = 0; - uint32_t credlen = 0, verflen = 0; - char *addr = NULL; - struct iobuf *iobuf = NULL; - uint32_t remaining_size = 0; - uint32_t gluster_write_proc_len = 0; - - priv = this->private; - - switch (priv->incoming.frag.call_body.request.vector_state) { - case SP_STATE_VECTORED_REQUEST_INIT: - addr = rpc_cred_addr (iobuf_ptr (priv->incoming.iobuf)); - - /* also read verf flavour and verflen */ - credlen = ntoh32 (*((uint32_t *)addr)) - + RPC_AUTH_FLAVOUR_N_LENGTH_SIZE; - - __socket_proto_init_pending (priv, credlen); - - priv->incoming.frag.call_body.request.vector_state = - SP_STATE_READING_CREDBYTES; - - /* fall through */ - - case SP_STATE_READING_CREDBYTES: - __socket_proto_read (priv, ret); - - priv->incoming.frag.call_body.request.vector_state = - SP_STATE_READ_CREDBYTES; - - /* fall through */ - - case SP_STATE_READ_CREDBYTES: - addr = rpc_verf_addr (priv->incoming.frag.fragcurrent); - - /* FIXME: Also handle procedures other than glusterfs-write - * here - */ - /* also read proc-header */ - gluster_write_proc_len = sizeof (gfs3_write_req); - - verflen = ntoh32 (*((uint32_t *)addr)) - + gluster_write_proc_len; - - __socket_proto_init_pending (priv, verflen); - - priv->incoming.frag.call_body.request.vector_state - = SP_STATE_READING_VERFBYTES; - - /* fall through */ - - case SP_STATE_READING_VERFBYTES: - __socket_proto_read (priv, ret); - - priv->incoming.frag.call_body.request.vector_state = - SP_STATE_READ_VERFBYTES; - - /* fall through */ - - case SP_STATE_READ_VERFBYTES: - if (priv->incoming.vectoriob == NULL) { - iobuf = iobuf_get (this->ctx->iobuf_pool); - if (!iobuf) { - gf_log (this->name, GF_LOG_ERROR, - "unable to allocate IO buffer " - "for peer %s", - this->peerinfo.identifier); - ret = -1; - break; - } - - priv->incoming.vectoriob = iobuf; - priv->incoming.frag.fragcurrent = iobuf_ptr (iobuf); - } - - priv->incoming.frag.call_body.request.vector_state = - SP_STATE_READING_PROG; - - /* fall through */ - - case SP_STATE_READING_PROG: - /* now read the remaining rpc msg into buffer pointed by - * fragcurrent - */ - - ret = __socket_read_simple_msg (this); - - remaining_size = RPC_FRAGSIZE (priv->incoming.fraghdr) - - priv->incoming.frag.bytes_read; - - if ((ret == -1) - || ((ret == 0) - && (remaining_size == 0) - && RPC_LASTFRAG (priv->incoming.fraghdr))) { - priv->incoming.frag.call_body.request.vector_state - = SP_STATE_VECTORED_REQUEST_INIT; - priv->incoming.vectoriob_size - = (unsigned long)priv->incoming.frag.fragcurrent - - (unsigned long)iobuf_ptr (priv->incoming.vectoriob); - } - break; - } - - return ret; -} - - -#define rpc_msgtype_addr(buf) (buf + 4) - -#define rpc_prognum_addr(buf) (buf + RPC_MSGTYPE_SIZE + 4) - -#define rpc_procnum_addr(buf) (buf + RPC_MSGTYPE_SIZE + 12) - - -inline int -__socket_read_request (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - uint32_t prognum = 0, procnum = 0; - uint32_t remaining_size = 0; - int ret = -1; - char *buf = NULL; - - priv = this->private; - - switch (priv->incoming.frag.call_body.request.header_state) { - - case SP_STATE_REQUEST_HEADER_INIT: - - __socket_proto_init_pending (priv, RPC_CALL_BODY_SIZE); - - priv->incoming.frag.call_body.request.header_state - = SP_STATE_READING_RPCHDR1; - - /* fall through */ - - case SP_STATE_READING_RPCHDR1: - __socket_proto_read (priv, ret); - - priv->incoming.frag.call_body.request.header_state = - SP_STATE_READ_RPCHDR1; - - /* fall through */ - - case SP_STATE_READ_RPCHDR1: - buf = rpc_prognum_addr (iobuf_ptr (priv->incoming.iobuf)); - prognum = ntoh32 (*((uint32_t *)buf)); - - buf = rpc_procnum_addr (iobuf_ptr (priv->incoming.iobuf)); - procnum = ntoh32 (*((uint32_t *)buf)); - - if ((prognum == GLUSTER3_1_FOP_PROGRAM) - && (procnum == GF_FOP_WRITE)) { - ret = __socket_read_vectored_request (this); - } else { - ret = __socket_read_simple_request (this); - } - - remaining_size = RPC_FRAGSIZE (priv->incoming.fraghdr) - - priv->incoming.frag.bytes_read; - - if ((ret == -1) - || ((ret == 0) - && (remaining_size == 0) - && (RPC_LASTFRAG (priv->incoming.fraghdr)))) { - priv->incoming.frag.call_body.request.header_state = - SP_STATE_REQUEST_HEADER_INIT; - } - - break; - } - - return ret; -} - - -inline int -__socket_read_accepted_successful_reply (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = 0; - struct iobuf *iobuf = NULL; - uint32_t gluster_read_rsp_hdr_len = 0; - - priv = this->private; - - switch (priv->incoming.frag.call_body.reply.accepted_success_state) { - - case SP_STATE_ACCEPTED_SUCCESS_REPLY_INIT: - gluster_read_rsp_hdr_len = sizeof (gfs3_read_rsp); - - __socket_proto_init_pending (priv, gluster_read_rsp_hdr_len); - - priv->incoming.frag.call_body.reply.accepted_success_state - = SP_STATE_READING_PROC_HEADER; - - /* fall through */ - - case SP_STATE_READING_PROC_HEADER: - __socket_proto_read (priv, ret); - - priv->incoming.frag.call_body.reply.accepted_success_state - = SP_STATE_READ_PROC_HEADER; - - /* fall through */ - - case SP_STATE_READ_PROC_HEADER: - if (priv->incoming.vectoriob == NULL) { - iobuf = iobuf_get (this->ctx->iobuf_pool); - if (iobuf == NULL) { - ret = -1; - goto out; - } - - priv->incoming.vectoriob = iobuf; - } - - priv->incoming.frag.fragcurrent - = iobuf_ptr (priv->incoming.vectoriob); - - /* now read the entire remaining msg into new iobuf */ - ret = __socket_read_simple_msg (this); - if ((ret == -1) - || ((ret == 0) - && RPC_LASTFRAG (priv->incoming.fraghdr))) { - priv->incoming.frag.call_body.reply.accepted_success_state - = SP_STATE_ACCEPTED_SUCCESS_REPLY_INIT; - } - - break; - } - -out: - return ret; -} - -#define rpc_reply_verflen_addr(fragcurrent) ((char *)fragcurrent - 4) -#define rpc_reply_accept_status_addr(fragcurrent) ((char *)fragcurrent - 4) - -inline int -__socket_read_accepted_reply (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - char *buf = NULL; - uint32_t verflen = 0, len = 0; - uint32_t remaining_size = 0; - - priv = this->private; - - switch (priv->incoming.frag.call_body.reply.accepted_state) { - - case SP_STATE_ACCEPTED_REPLY_INIT: - __socket_proto_init_pending (priv, - RPC_AUTH_FLAVOUR_N_LENGTH_SIZE); - - priv->incoming.frag.call_body.reply.accepted_state - = SP_STATE_READING_REPLY_VERFLEN; - - /* fall through */ - - case SP_STATE_READING_REPLY_VERFLEN: - __socket_proto_read (priv, ret); - - priv->incoming.frag.call_body.reply.accepted_state - = SP_STATE_READ_REPLY_VERFLEN; - - /* fall through */ - - case SP_STATE_READ_REPLY_VERFLEN: - buf = rpc_reply_verflen_addr (priv->incoming.frag.fragcurrent); - - verflen = ntoh32 (*((uint32_t *) buf)); - - /* also read accept status along with verf data */ - len = verflen + RPC_ACCEPT_STATUS_LEN; - - __socket_proto_init_pending (priv, len); - - priv->incoming.frag.call_body.reply.accepted_state - = SP_STATE_READING_REPLY_VERFBYTES; - - /* fall through */ - - case SP_STATE_READING_REPLY_VERFBYTES: - __socket_proto_read (priv, ret); - - priv->incoming.frag.call_body.reply.accepted_state - = SP_STATE_READ_REPLY_VERFBYTES; - - buf = rpc_reply_accept_status_addr (priv->incoming.frag.fragcurrent); - - priv->incoming.frag.call_body.reply.accept_status - = ntoh32 (*(uint32_t *) buf); - - /* fall through */ - - case SP_STATE_READ_REPLY_VERFBYTES: - - if (priv->incoming.frag.call_body.reply.accept_status - == SUCCESS) { - ret = __socket_read_accepted_successful_reply (this); - } else { - /* read entire remaining msg into buffer pointed to by - * fragcurrent - */ - ret = __socket_read_simple_msg (this); - } - - remaining_size = RPC_FRAGSIZE (priv->incoming.fraghdr) - - priv->incoming.frag.bytes_read; - - if ((ret == -1) - || ((ret == 0) - && (remaining_size == 0) - && (RPC_LASTFRAG (priv->incoming.fraghdr)))) { - priv->incoming.frag.call_body.reply.accepted_state - = SP_STATE_ACCEPTED_REPLY_INIT; - } - - break; - } - - return ret; -} - - -inline int -__socket_read_denied_reply (rpc_transport_t *this) -{ - return __socket_read_simple_msg (this); -} - - -#define rpc_reply_status_addr(fragcurrent) ((char *)fragcurrent - 4) - - -inline int -__socket_read_vectored_reply (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = 0; - char *buf = NULL; - uint32_t remaining_size = 0; - - priv = this->private; - - switch (priv->incoming.frag.call_body.reply.status_state) { - - case SP_STATE_ACCEPTED_REPLY_INIT: - __socket_proto_init_pending (priv, RPC_REPLY_STATUS_SIZE); - - priv->incoming.frag.call_body.reply.status_state - = SP_STATE_READING_REPLY_STATUS; - - /* fall through */ - - case SP_STATE_READING_REPLY_STATUS: - __socket_proto_read (priv, ret); - - buf = rpc_reply_status_addr (priv->incoming.frag.fragcurrent); - - priv->incoming.frag.call_body.reply.accept_status - = ntoh32 (*((uint32_t *) buf)); - - priv->incoming.frag.call_body.reply.status_state - = SP_STATE_READ_REPLY_STATUS; - - /* fall through */ - - case SP_STATE_READ_REPLY_STATUS: - if (priv->incoming.frag.call_body.reply.accept_status - == MSG_ACCEPTED) { - ret = __socket_read_accepted_reply (this); - } else { - ret = __socket_read_denied_reply (this); - } - - remaining_size = RPC_FRAGSIZE (priv->incoming.fraghdr) - - priv->incoming.frag.bytes_read; - - if ((ret == -1) - || ((ret == 0) - && (remaining_size == 0) - && (RPC_LASTFRAG (priv->incoming.fraghdr)))) { - priv->incoming.frag.call_body.reply.status_state - = SP_STATE_ACCEPTED_REPLY_INIT; - } - break; - } - - return ret; -} - - -inline int -__socket_read_simple_reply (rpc_transport_t *this) -{ - return __socket_read_simple_msg (this); -} - -#define rpc_xid_addr(buf) (buf) - -inline int -__socket_read_reply (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - char *buf = NULL; - int32_t ret = -1; - rpc_request_info_t *request_info = NULL; - - priv = this->private; - - buf = rpc_xid_addr (iobuf_ptr (priv->incoming.iobuf)); - - request_info = GF_CALLOC (1, sizeof (*request_info), gf_common_mt_rpc_trans_reqinfo_t); - if (request_info == NULL) { - gf_log (this->name, GF_LOG_ERROR, "out of memory"); - goto out; - } - - priv->incoming.request_info = request_info; - - request_info->xid = ntoh32 (*((uint32_t *) buf)); - - /* release priv->lock, so as to avoid deadlock b/w conn->lock and - * priv->lock, since we are doing an upcall here. - */ - pthread_mutex_unlock (&priv->lock); - { - ret = rpc_transport_notify (this, RPC_TRANSPORT_MAP_XID_REQUEST, - priv->incoming.request_info); - } - pthread_mutex_lock (&priv->lock); - - if (ret == -1) { - goto out; - } - - if ((request_info->prognum == GLUSTER3_1_FOP_PROGRAM) - && (request_info->procnum == GF_FOP_READ)) { - if (request_info->rsp.rspbuf != NULL) { - priv->incoming.vectoriob - = iobuf_ref (request_info->rsp.rspbuf); - } - - ret = __socket_read_vectored_reply (this); - } else { - ret = __socket_read_simple_reply (this); - } -out: - return ret; -} - - -/* returns the number of bytes yet to be read in a fragment */ -inline int -__socket_read_frag (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int32_t ret = 0; - char *buf = NULL; - uint32_t remaining_size = 0; - - priv = this->private; - - switch (priv->incoming.frag.state) { - case SP_STATE_NADA: - __socket_proto_init_pending (priv, RPC_MSGTYPE_SIZE); - - priv->incoming.frag.state = SP_STATE_READING_MSGTYPE; - - /* fall through */ - - case SP_STATE_READING_MSGTYPE: - __socket_proto_read (priv, ret); - - priv->incoming.frag.state = SP_STATE_READ_MSGTYPE; - /* fall through */ - - case SP_STATE_READ_MSGTYPE: - buf = rpc_msgtype_addr (iobuf_ptr (priv->incoming.iobuf)); - priv->incoming.msg_type = ntoh32 (*((uint32_t *)buf)); - - if (priv->incoming.msg_type == CALL) { - ret = __socket_read_request (this); - } else if (priv->incoming.msg_type == REPLY) { - ret = __socket_read_reply (this); - } else { - gf_log ("rpc", GF_LOG_ERROR, - "wrong MSG-TYPE (%d) received", - priv->incoming.msg_type); - ret = -1; - } - - remaining_size = RPC_FRAGSIZE (priv->incoming.fraghdr) - - priv->incoming.frag.bytes_read; - - if ((ret == -1) - || ((ret == 0) - && (remaining_size == 0) - && (RPC_LASTFRAG (priv->incoming.fraghdr)))) { - priv->incoming.frag.state = SP_STATE_NADA; - } - - break; - } - - return ret; -} - - -inline -void __socket_reset_priv (socket_private_t *priv) -{ - if (priv->incoming.iobuf) { - iobuf_unref (priv->incoming.iobuf); - priv->incoming.iobuf = NULL; - } - - if (priv->incoming.vectoriob) { - iobuf_unref (priv->incoming.vectoriob); - priv->incoming.vectoriob = NULL; - } -} - - -int -__socket_proto_state_machine (rpc_transport_t *this, - rpc_transport_pollin_t **pollin) -{ - int ret = -1; - socket_private_t *priv = NULL; - struct iobuf *iobuf = NULL; - - priv = this->private; - while (priv->incoming.record_state != SP_STATE_COMPLETE) { - switch (priv->incoming.record_state) { - - case SP_STATE_NADA: - iobuf = iobuf_get (this->ctx->iobuf_pool); - if (!iobuf) { - gf_log (this->name, GF_LOG_ERROR, - "unable to allocate IO buffer " - "for peer %s", - this->peerinfo.identifier); - ret = -ENOMEM; - goto out; - } - - priv->incoming.iobuf = iobuf; - priv->incoming.iobuf_size = 0; - priv->incoming.vectoriob_size = 0; - - priv->incoming.pending_vector = priv->incoming.vector; - priv->incoming.pending_vector->iov_base = - &priv->incoming.fraghdr; - - priv->incoming.frag.fragcurrent = iobuf_ptr (iobuf); - priv->incoming.pending_vector->iov_len = - sizeof (priv->incoming.fraghdr); - - priv->incoming.record_state = SP_STATE_READING_FRAGHDR; - - /* fall through */ - - case SP_STATE_READING_FRAGHDR: - ret = __socket_readv (this, - priv->incoming.pending_vector, 1, - &priv->incoming.pending_vector, - &priv->incoming.pending_count, - NULL); - if (ret == -1) { - gf_log (this->name, GF_LOG_TRACE, - "reading from socket failed. Error (%s), " - "peer (%s)", strerror (errno), - this->peerinfo.identifier); - goto out; - } - - if (ret > 0) { - gf_log (this->name, GF_LOG_TRACE, "partial " - "fragment header read"); - goto out; - } - - if (ret == 0) { - priv->incoming.record_state = - SP_STATE_READ_FRAGHDR; - } - /* fall through */ - - case SP_STATE_READ_FRAGHDR: - - priv->incoming.fraghdr = ntoh32 (priv->incoming.fraghdr); - priv->incoming.record_state = SP_STATE_READING_FRAG; - priv->incoming.total_bytes_read - += RPC_FRAGSIZE(priv->incoming.fraghdr); - /* fall through */ - - case SP_STATE_READING_FRAG: - ret = __socket_read_frag (this); - - if ((ret == -1) - || (priv->incoming.frag.bytes_read != - RPC_FRAGSIZE (priv->incoming.fraghdr))) { - goto out; - } - - priv->incoming.frag.bytes_read = 0; - - if (!RPC_LASTFRAG (priv->incoming.fraghdr)) { - priv->incoming.record_state = - SP_STATE_READING_FRAGHDR; - break; - } - - /* we've read the entire rpc record, notify the - * upper layers. - */ - if (pollin != NULL) { - priv->incoming.iobuf_size - = priv->incoming.total_bytes_read - - priv->incoming.vectoriob_size; - - *pollin = rpc_transport_pollin_alloc (this, - priv->incoming.iobuf, - priv->incoming.iobuf_size, - priv->incoming.vectoriob, - priv->incoming.vectoriob_size, - priv->incoming.request_info); - if (*pollin == NULL) { - ret = -1; - goto out; - } - - priv->incoming.request_info = NULL; - } - priv->incoming.record_state = SP_STATE_COMPLETE; - break; - - case SP_STATE_COMPLETE: - /* control should not reach here */ - gf_log (this->name, GF_LOG_DEBUG, "control reached to " - "SP_STATE_COMPLETE, which should not have " - "happened"); - break; - } - } - - if (priv->incoming.record_state == SP_STATE_COMPLETE) { - priv->incoming.record_state = SP_STATE_NADA; - __socket_reset_priv (priv); - } - -out: - if ((ret == -1) && (errno == EAGAIN)) { - ret = 0; - } - return ret; -} - - -int -socket_proto_state_machine (rpc_transport_t *this, - rpc_transport_pollin_t **pollin) -{ - socket_private_t *priv = NULL; - int ret = 0; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - ret = __socket_proto_state_machine (this, pollin); - } - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -int -socket_event_poll_in (rpc_transport_t *this) -{ - int ret = -1; - rpc_transport_pollin_t *pollin = NULL; - - ret = socket_proto_state_machine (this, &pollin); - - if (pollin != NULL) { - ret = rpc_transport_notify (this, RPC_TRANSPORT_MSG_RECEIVED, - pollin); - - rpc_transport_pollin_destroy (pollin); - } - - return ret; -} - - -int -socket_connect_finish (rpc_transport_t *this) -{ - int ret = -1; - socket_private_t *priv = NULL; - rpc_transport_event_t event = 0; - char notify_rpc = 0; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected) - goto unlock; - - ret = __socket_connect_finish (priv->sock); - - if (ret == -1 && errno == EINPROGRESS) - ret = 1; - - if (ret == -1 && errno != EINPROGRESS) { - if (!priv->connect_finish_log) { - gf_log (this->name, GF_LOG_ERROR, - "connection to %s failed (%s)", - this->peerinfo.identifier, - strerror (errno)); - priv->connect_finish_log = 1; - } - __socket_disconnect (this); - notify_rpc = 1; - event = RPC_TRANSPORT_DISCONNECT; - goto unlock; - } - - if (ret == 0) { - notify_rpc = 1; - - this->myinfo.sockaddr_len = - sizeof (this->myinfo.sockaddr); - - ret = getsockname (priv->sock, - SA (&this->myinfo.sockaddr), - &this->myinfo.sockaddr_len); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "getsockname on (%d) failed (%s)", - priv->sock, strerror (errno)); - __socket_disconnect (this); - event = GF_EVENT_POLLERR; - goto unlock; - } - - priv->connected = 1; - priv->connect_finish_log = 0; - event = RPC_TRANSPORT_CONNECT; - get_transport_identifiers (this); - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - if (notify_rpc) { - rpc_transport_notify (this, event, this); - } - - return 0; -} - - -/* reads rpc_requests during pollin */ -int -socket_event_handler (int fd, int idx, void *data, - int poll_in, int poll_out, int poll_err) -{ - rpc_transport_t *this = NULL; - socket_private_t *priv = NULL; - int ret = 0; - - this = data; - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - priv->idx = idx; - } - pthread_mutex_unlock (&priv->lock); - - if (!priv->connected) { - ret = socket_connect_finish (this); - } - - if (!ret && poll_out) { - ret = socket_event_poll_out (this); - } - - if (!ret && poll_in) { - ret = socket_event_poll_in (this); - } - - if ((ret < 0) || poll_err) { - gf_log ("transport", GF_LOG_TRACE, "disconnecting now"); - socket_event_poll_err (this); - rpc_transport_unref (this); - } - - return 0; -} - - -int -socket_server_event_handler (int fd, int idx, void *data, - int poll_in, int poll_out, int poll_err) -{ - rpc_transport_t *this = NULL; - socket_private_t *priv = NULL; - int ret = 0; - int new_sock = -1; - rpc_transport_t *new_trans = NULL; - struct sockaddr_storage new_sockaddr = {0, }; - socklen_t addrlen = sizeof (new_sockaddr); - socket_private_t *new_priv = NULL; - glusterfs_ctx_t *ctx = NULL; - - this = data; - priv = this->private; - ctx = this->ctx; - - pthread_mutex_lock (&priv->lock); - { - priv->idx = idx; - - if (poll_in) { - new_sock = accept (priv->sock, SA (&new_sockaddr), - &addrlen); - - if (new_sock == -1) - goto unlock; - - if (!priv->bio) { - ret = __socket_nonblock (new_sock); - - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "NBIO on %d failed (%s)", - new_sock, strerror (errno)); - - close (new_sock); - goto unlock; - } - } - - if (priv->nodelay) { - ret = __socket_nodelay (new_sock); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "setsockopt() failed for " - "NODELAY (%s)", - strerror (errno)); - } - } - - new_trans = GF_CALLOC (1, sizeof (*new_trans), - gf_common_mt_rpc_trans_t); - new_trans->fini = this->fini; - new_trans->name = gf_strdup (this->name); - - memcpy (&new_trans->peerinfo.sockaddr, &new_sockaddr, - addrlen); - new_trans->peerinfo.sockaddr_len = addrlen; - - new_trans->myinfo.sockaddr_len = - sizeof (new_trans->myinfo.sockaddr); - - ret = getsockname (new_sock, - SA (&new_trans->myinfo.sockaddr), - &new_trans->myinfo.sockaddr_len); - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "getsockname on %d failed (%s)", - new_sock, strerror (errno)); - close (new_sock); - goto unlock; - } - - get_transport_identifiers (new_trans); - socket_init (new_trans); - new_trans->ops = this->ops; - new_trans->init = this->init; - new_trans->fini = this->fini; - new_trans->ctx = ctx; - new_trans->mydata = this->mydata; - new_trans->notify = this->notify; - new_priv = new_trans->private; - - pthread_mutex_lock (&new_priv->lock); - { - new_priv->sock = new_sock; - new_priv->connected = 1; - rpc_transport_ref (new_trans); - - new_priv->idx = - event_register (ctx->event_pool, - new_sock, - socket_event_handler, - new_trans, 1, 0); - - if (new_priv->idx == -1) - ret = -1; - } - pthread_mutex_unlock (&new_priv->lock); - ret = rpc_transport_notify (this, RPC_TRANSPORT_ACCEPT, new_trans); - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -int -socket_disconnect (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - int ret = -1; - - priv = this->private; - - pthread_mutex_lock (&priv->lock); - { - ret = __socket_disconnect (this); - } - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -int -socket_connect (rpc_transport_t *this) -{ - int ret = -1; - int sock = -1; - socket_private_t *priv = NULL; - struct sockaddr_storage sockaddr = {0, }; - socklen_t sockaddr_len = 0; - glusterfs_ctx_t *ctx = NULL; - sa_family_t sa_family = {0, }; - - priv = this->private; - ctx = this->ctx; - - if (!priv) { - gf_log (this->name, GF_LOG_DEBUG, - "connect() called on uninitialized transport"); - goto err; - } - - pthread_mutex_lock (&priv->lock); - { - sock = priv->sock; - } - pthread_mutex_unlock (&priv->lock); - - if (sock != -1) { - gf_log (this->name, GF_LOG_TRACE, - "connect () called on transport already connected"); - ret = 0; - goto err; - } - - ret = socket_client_get_remote_sockaddr (this, SA (&sockaddr), - &sockaddr_len, &sa_family); - if (ret == -1) { - /* logged inside client_get_remote_sockaddr */ - goto err; - } - - pthread_mutex_lock (&priv->lock); - { - if (priv->sock != -1) { - gf_log (this->name, GF_LOG_TRACE, - "connect() -- already connected"); - goto unlock; - } - - memcpy (&this->peerinfo.sockaddr, &sockaddr, sockaddr_len); - this->peerinfo.sockaddr_len = sockaddr_len; - - priv->sock = socket (sa_family, SOCK_STREAM, 0); - if (priv->sock == -1) { - gf_log (this->name, GF_LOG_ERROR, - "socket creation failed (%s)", - strerror (errno)); - goto unlock; - } - - /* Cant help if setting socket options fails. We can continue - * working nonetheless. - */ - if (setsockopt (priv->sock, SOL_SOCKET, SO_RCVBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->name, GF_LOG_ERROR, - "setting receive window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - if (setsockopt (priv->sock, SOL_SOCKET, SO_SNDBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->name, GF_LOG_ERROR, - "setting send window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - - if (priv->nodelay && priv->lowlat) { - ret = __socket_nodelay (priv->sock); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "setsockopt() failed for NODELAY (%s)", - strerror (errno)); - } - } - - if (!priv->bio) { - ret = __socket_nonblock (priv->sock); - - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "NBIO on %d failed (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - } - - SA (&this->myinfo.sockaddr)->sa_family = - SA (&this->peerinfo.sockaddr)->sa_family; - - ret = client_bind (this, SA (&this->myinfo.sockaddr), - &this->myinfo.sockaddr_len, priv->sock); - if (ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "client bind failed: %s", strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - ret = connect (priv->sock, SA (&this->peerinfo.sockaddr), - this->peerinfo.sockaddr_len); - - if (ret == -1 && errno != EINPROGRESS) { - gf_log (this->name, GF_LOG_ERROR, - "connection attempt failed (%s)", - strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - priv->connected = 0; - - rpc_transport_ref (this); - - priv->idx = event_register (ctx->event_pool, priv->sock, - socket_event_handler, this, 1, 1); - if (priv->idx == -1) - ret = -1; - } -unlock: - pthread_mutex_unlock (&priv->lock); - -err: - return ret; -} - - -int -socket_listen (rpc_transport_t *this) -{ - socket_private_t * priv = NULL; - int ret = -1; - int sock = -1; - struct sockaddr_storage sockaddr; - socklen_t sockaddr_len; - peer_info_t *myinfo = NULL; - glusterfs_ctx_t *ctx = NULL; - sa_family_t sa_family = {0, }; - - priv = this->private; - myinfo = &this->myinfo; - ctx = this->ctx; - - pthread_mutex_lock (&priv->lock); - { - sock = priv->sock; - } - pthread_mutex_unlock (&priv->lock); - - if (sock != -1) { - gf_log (this->name, GF_LOG_DEBUG, - "alreading listening"); - return ret; - } - - ret = socket_server_get_local_sockaddr (this, SA (&sockaddr), - &sockaddr_len, &sa_family); - if (ret == -1) { - return ret; - } - - pthread_mutex_lock (&priv->lock); - { - if (priv->sock != -1) { - gf_log (this->name, GF_LOG_DEBUG, - "already listening"); - goto unlock; - } - - memcpy (&myinfo->sockaddr, &sockaddr, sockaddr_len); - myinfo->sockaddr_len = sockaddr_len; - - priv->sock = socket (sa_family, SOCK_STREAM, 0); - - if (priv->sock == -1) { - gf_log (this->name, GF_LOG_ERROR, - "socket creation failed (%s)", - strerror (errno)); - goto unlock; - } - - /* Cant help if setting socket options fails. We can continue - * working nonetheless. - */ - if (setsockopt (priv->sock, SOL_SOCKET, SO_RCVBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->name, GF_LOG_ERROR, - "setting receive window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - if (setsockopt (priv->sock, SOL_SOCKET, SO_SNDBUF, - &priv->windowsize, - sizeof (priv->windowsize)) < 0) { - gf_log (this->name, GF_LOG_ERROR, - "setting send window size failed: %d: %d: " - "%s", priv->sock, priv->windowsize, - strerror (errno)); - } - - if (priv->nodelay) { - ret = __socket_nodelay (priv->sock); - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "setsockopt() failed for NODELAY (%s)", - strerror (errno)); - } - } - - if (!priv->bio) { - ret = __socket_nonblock (priv->sock); - - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "NBIO on %d failed (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - } - - ret = __socket_server_bind (this); - - if (ret == -1) { - /* logged inside __socket_server_bind() */ - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - ret = listen (priv->sock, 10); - - if (ret == -1) { - gf_log (this->name, GF_LOG_ERROR, - "could not set socket %d to listen mode (%s)", - priv->sock, strerror (errno)); - close (priv->sock); - priv->sock = -1; - goto unlock; - } - - rpc_transport_ref (this); - - priv->idx = event_register (ctx->event_pool, priv->sock, - socket_server_event_handler, - this, 1, 0); - - if (priv->idx == -1) { - gf_log (this->name, GF_LOG_DEBUG, - "could not register socket %d with events", - priv->sock); - ret = -1; - close (priv->sock); - priv->sock = -1; - goto unlock; - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -/* TODO: implement per transfer limit */ -#if 0 -int -socket_submit (rpc_transport_t *this, char *buf, int len, - struct iovec *vector, int count, - struct iobref *iobref) -{ - socket_private_t *priv = NULL; - int ret = -1; - char need_poll_out = 0; - char need_append = 1; - struct ioq *entry = NULL; - glusterfs_ctx_t *ctx = NULL; - - priv = this->private; - ctx = this->ctx; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected != 1) { - if (!priv->submit_log && !priv->connect_finish_log) { - gf_log (this->name, GF_LOG_DEBUG, - "not connected (priv->connected = %d)", - priv->connected); - priv->submit_log = 1; - } - goto unlock; - } - - priv->submit_log = 0; - entry = __socket_ioq_new (this, buf, len, vector, count, iobref); - if (!entry) - goto unlock; - - if (list_empty (&priv->ioq)) { - ret = __socket_ioq_churn_entry (this, entry); - - if (ret == 0) - need_append = 0; - - if (ret > 0) - need_poll_out = 1; - } - - if (need_append) { - list_add_tail (&entry->list, &priv->ioq); - ret = 0; - } - - if (need_poll_out) { - /* first entry to wait. continue writing on POLLOUT */ - priv->idx = event_select_on (ctx->event_pool, - priv->sock, - priv->idx, -1, 1); - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} -#endif - - -int32_t -socket_submit_request (rpc_transport_t *this, rpc_transport_req_t *req) -{ - socket_private_t *priv = NULL; - int ret = -1; - char need_poll_out = 0; - char need_append = 1; - struct ioq *entry = NULL; - glusterfs_ctx_t *ctx = NULL; - - priv = this->private; - ctx = this->ctx; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected != 1) { - if (!priv->submit_log && !priv->connect_finish_log) { - gf_log (this->name, GF_LOG_DEBUG, - "not connected (priv->connected = %d)", - priv->connected); - priv->submit_log = 1; - } - goto unlock; - } - - priv->submit_log = 0; - entry = __socket_ioq_new (this, &req->msg); - if (!entry) - goto unlock; - - if (list_empty (&priv->ioq)) { - ret = __socket_ioq_churn_entry (this, entry); - - if (ret == 0) - need_append = 0; - - if (ret > 0) - need_poll_out = 1; - } - - if (need_append) { - list_add_tail (&entry->list, &priv->ioq); - ret = 0; - } - - if (need_poll_out) { - /* first entry to wait. continue writing on POLLOUT */ - priv->idx = event_select_on (ctx->event_pool, - priv->sock, - priv->idx, -1, 1); - } - } -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -int32_t -socket_submit_reply (rpc_transport_t *this, rpc_transport_reply_t *reply) -{ - socket_private_t *priv = NULL; - int ret = -1; - char need_poll_out = 0; - char need_append = 1; - struct ioq *entry = NULL; - glusterfs_ctx_t *ctx = NULL; - - priv = this->private; - ctx = this->ctx; - - pthread_mutex_lock (&priv->lock); - { - if (priv->connected != 1) { - if (!priv->submit_log && !priv->connect_finish_log) { - gf_log (this->name, GF_LOG_DEBUG, - "not connected (priv->connected = %d)", - priv->connected); - priv->submit_log = 1; - } - goto unlock; - } - priv->submit_log = 0; - entry = __socket_ioq_new (this, &reply->msg); - if (!entry) - goto unlock; - if (list_empty (&priv->ioq)) { - ret = __socket_ioq_churn_entry (this, entry); - - if (ret == 0) - need_append = 0; - - if (ret > 0) - need_poll_out = 1; - } - - if (need_append) { - list_add_tail (&entry->list, &priv->ioq); - ret = 0; - } - - if (need_poll_out) { - /* first entry to wait. continue writing on POLLOUT */ - priv->idx = event_select_on (ctx->event_pool, - priv->sock, - priv->idx, -1, 1); - } - } - -unlock: - pthread_mutex_unlock (&priv->lock); - - return ret; -} - - -int32_t -socket_getpeername (rpc_transport_t *this, char *hostname, int hostlen) -{ - int32_t ret = -1; - - if ((this == NULL) || (hostname == NULL)) { - goto out; - } - - if (hostlen < (strlen (this->peerinfo.identifier) + 1)) { - goto out; - } - - strcpy (hostname, this->peerinfo.identifier); - ret = 0; -out: - return ret; -} - - -int32_t -socket_getpeeraddr (rpc_transport_t *this, char *peeraddr, int addrlen, - struct sockaddr *sa, socklen_t salen) -{ - int32_t ret = -1; - - if ((this == NULL) || (sa == NULL)) { - goto out; - } - - *sa = *((struct sockaddr *)&this->peerinfo.sockaddr); - - if (peeraddr != NULL) { - ret = socket_getpeername (this, peeraddr, addrlen); - } - -out: - return ret; -} - - -int32_t -socket_getmyname (rpc_transport_t *this, char *hostname, int hostlen) -{ - int32_t ret = -1; - - if ((this == NULL) || (hostname == NULL)) { - goto out; - } - - if (hostlen < (strlen (this->myinfo.identifier) + 1)) { - goto out; - } - - strcpy (hostname, this->myinfo.identifier); - ret = 0; -out: - return ret; -} - - -int32_t -socket_getmyaddr (rpc_transport_t *this, char *myaddr, int addrlen, - struct sockaddr *sa, socklen_t salen) -{ - int32_t ret = -1; - - if ((this == NULL) || (sa == NULL)) { - goto out; - } - - *sa = *((struct sockaddr *)&this->myinfo.sockaddr); - - if (myaddr != NULL) { - ret = socket_getmyname (this, myaddr, addrlen); - } - -out: - return ret; -} - - -struct rpc_transport_ops tops = { - .listen = socket_listen, - .connect = socket_connect, - .disconnect = socket_disconnect, - .submit_request = socket_submit_request, - .submit_reply = socket_submit_reply, - .get_peername = socket_getpeername, - .get_peeraddr = socket_getpeeraddr, - .get_myname = socket_getmyname, - .get_myaddr = socket_getmyaddr -}; - - -int -socket_init (rpc_transport_t *this) -{ - socket_private_t *priv = NULL; - gf_boolean_t tmp_bool = 0; - uint64_t windowsize = GF_DEFAULT_SOCKET_WINDOW_SIZE; - char *optstr = NULL; - - if (this->private) { - gf_log (this->name, GF_LOG_DEBUG, - "double init attempted"); - return -1; - } - - priv = GF_CALLOC (1, sizeof (*priv), gf_common_mt_socket_private_t); - if (!priv) { - gf_log (this->name, GF_LOG_ERROR, - "calloc (1, %"GF_PRI_SIZET") returned NULL", - sizeof (*priv)); - return -1; - } - - pthread_mutex_init (&priv->lock, NULL); - - priv->sock = -1; - priv->idx = -1; - priv->connected = -1; - - INIT_LIST_HEAD (&priv->ioq); - - if (dict_get (this->options, "non-blocking-io")) { - optstr = data_to_str (dict_get (this->options, - "non-blocking-io")); - - if (gf_string2boolean (optstr, &tmp_bool) == -1) { - gf_log (this->name, GF_LOG_ERROR, - "'non-blocking-io' takes only boolean options," - " not taking any action"); - tmp_bool = 1; - } - priv->bio = 0; - if (!tmp_bool) { - priv->bio = 1; - gf_log (this->name, GF_LOG_WARNING, - "disabling non-blocking IO"); - } - } - - optstr = NULL; - - // By default, we enable NODELAY - priv->nodelay = 1; - if (dict_get (this->options, "transport.socket.nodelay")) { - optstr = data_to_str (dict_get (this->options, - "transport.socket.nodelay")); - - if (gf_string2boolean (optstr, &tmp_bool) == -1) { - gf_log (this->name, GF_LOG_ERROR, - "'transport.socket.nodelay' takes only " - "boolean options, not taking any action"); - tmp_bool = 1; - } - if (!tmp_bool) { - priv->nodelay = 0; - gf_log (this->name, GF_LOG_DEBUG, - "disabling nodelay"); - } - } - - - optstr = NULL; - if (dict_get_str (this->options, "transport.window-size", - &optstr) == 0) { - if (gf_string2bytesize (optstr, &windowsize) != 0) { - gf_log (this->name, GF_LOG_ERROR, - "invalid number format: %s", optstr); - return -1; - } - } - - optstr = NULL; - - if (dict_get_str (this->options, "transport.socket.lowlat", - &optstr) == 0) { - priv->lowlat = 1; - } - - priv->windowsize = (int)windowsize; - this->private = priv; - - return 0; -} - - -void -fini (rpc_transport_t *this) -{ - socket_private_t *priv = this->private; - - gf_log (this->name, GF_LOG_TRACE, - "transport %p destroyed", this); - - pthread_mutex_destroy (&priv->lock); - - GF_FREE (this->name); - GF_FREE (priv); -} - - -int32_t -init (rpc_transport_t *this) -{ - int ret = -1; - - ret = socket_init (this); - - if (ret == -1) { - gf_log (this->name, GF_LOG_DEBUG, "socket_init() failed"); - } - - return ret; -} - -struct volume_options options[] = { - { .key = {"remote-port", - "transport.remote-port", - "transport.socket.remote-port"}, - .type = GF_OPTION_TYPE_INT - }, - { .key = {"transport.socket.listen-port", "listen-port"}, - .type = GF_OPTION_TYPE_INT - }, - { .key = {"transport.socket.bind-address", "bind-address" }, - .type = GF_OPTION_TYPE_INTERNET_ADDRESS - }, - { .key = {"transport.socket.connect-path", "connect-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport.socket.bind-path", "bind-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = {"transport.socket.listen-path", "listen-path"}, - .type = GF_OPTION_TYPE_ANY - }, - { .key = { "transport.address-family", - "address-family" }, - .value = {"inet", "inet6", "inet/inet6", "inet6/inet", - "unix", "inet-sdp" }, - .type = GF_OPTION_TYPE_STR - }, - - { .key = {"non-blocking-io"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"transport.window-size"}, - .type = GF_OPTION_TYPE_SIZET, - .min = GF_MIN_SOCKET_WINDOW_SIZE, - .max = GF_MAX_SOCKET_WINDOW_SIZE, - }, - { .key = {"transport.socket.nodelay"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {"transport.socket.lowlat"}, - .type = GF_OPTION_TYPE_BOOL - }, - { .key = {NULL} } -}; diff --git a/xlators/protocol/rpc/rpc-transport/socket/src/socket.h b/xlators/protocol/rpc/rpc-transport/socket/src/socket.h deleted file mode 100644 index aa31ee2a7..000000000 --- a/xlators/protocol/rpc/rpc-transport/socket/src/socket.h +++ /dev/null @@ -1,190 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _SOCKET_H -#define _SOCKET_H - - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include "event.h" -#include "rpc-transport.h" -#include "logging.h" -#include "dict.h" -#include "mem-pool.h" - -#ifndef MAX_IOVEC -#define MAX_IOVEC 16 -#endif /* MAX_IOVEC */ - -#define GF_DEFAULT_SOCKET_LISTEN_PORT 6969 - -/* This is the size set through setsockopt for - * both the TCP receive window size and the - * send buffer size. - * Till the time iobuf size becomes configurable, this size is set to include - * two iobufs + the GlusterFS protocol headers. - * Linux allows us to over-ride the max values for the system. - * Should we over-ride them? Because if we set a value larger than the default - * setsockopt will fail. Having larger values might be beneficial for - * IB links. - */ -#define GF_DEFAULT_SOCKET_WINDOW_SIZE (512 * GF_UNIT_KB) -#define GF_MAX_SOCKET_WINDOW_SIZE (1 * GF_UNIT_MB) -#define GF_MIN_SOCKET_WINDOW_SIZE (128 * GF_UNIT_KB) - -typedef enum { - SP_STATE_NADA = 0, - SP_STATE_COMPLETE, - SP_STATE_READING_FRAGHDR, - SP_STATE_READ_FRAGHDR, - SP_STATE_READING_FRAG, -} sp_rpcrecord_state_t; - -typedef enum { - SP_STATE_RPCFRAG_INIT, - SP_STATE_READING_MSGTYPE, - SP_STATE_READ_MSGTYPE, -} sp_rpcfrag_state_t; - -typedef enum { - SP_STATE_SIMPLE_MSG_INIT, - SP_STATE_READING_SIMPLE_MSG, -} sp_rpcfrag_simple_msg_state_t; - -typedef enum { - SP_STATE_VECTORED_REQUEST_INIT, - SP_STATE_READING_CREDBYTES, - SP_STATE_READ_CREDBYTES, /* read credential data. */ - SP_STATE_READING_VERFBYTES, - SP_STATE_READ_VERFBYTES, /* read verifier data */ - SP_STATE_READING_PROG, -} sp_rpcfrag_vectored_request_state_t; - -typedef enum { - SP_STATE_REQUEST_HEADER_INIT, - SP_STATE_READING_RPCHDR1, - SP_STATE_READ_RPCHDR1, /* read msg from beginning till and - * including credlen - */ -} sp_rpcfrag_request_header_state_t; - -struct ioq { - union { - struct list_head list; - struct { - struct ioq *next; - struct ioq *prev; - }; - }; - - struct iovec vector[MAX_IOVEC]; - int count; - struct iovec *pending_vector; - int pending_count; - struct iobref *iobref; -}; - -typedef struct { - sp_rpcfrag_request_header_state_t header_state; - sp_rpcfrag_vectored_request_state_t vector_state; -} sp_rpcfrag_request_state_t; - -typedef enum { - SP_STATE_VECTORED_REPLY_STATUS_INIT, - SP_STATE_READING_REPLY_STATUS, - SP_STATE_READ_REPLY_STATUS, -} sp_rpcfrag_vectored_reply_status_state_t; - -typedef enum { - SP_STATE_ACCEPTED_SUCCESS_REPLY_INIT, - SP_STATE_READING_PROC_HEADER, - SP_STATE_READ_PROC_HEADER, -} sp_rpcfrag_vectored_reply_accepted_success_state_t; - -typedef enum { - SP_STATE_ACCEPTED_REPLY_INIT, - SP_STATE_READING_REPLY_VERFLEN, - SP_STATE_READ_REPLY_VERFLEN, - SP_STATE_READING_REPLY_VERFBYTES, - SP_STATE_READ_REPLY_VERFBYTES, -} sp_rpcfrag_vectored_reply_accepted_state_t; - -typedef struct { - uint32_t accept_status; - sp_rpcfrag_vectored_reply_status_state_t status_state; - sp_rpcfrag_vectored_reply_accepted_state_t accepted_state; - sp_rpcfrag_vectored_reply_accepted_success_state_t accepted_success_state; -} sp_rpcfrag_vectored_reply_state_t; - -typedef struct { - int32_t sock; - int32_t idx; - unsigned char connected; // -1 = not connected. 0 = in progress. 1 = connected - char bio; - char connect_finish_log; - char submit_log; - union { - struct list_head ioq; - struct { - struct ioq *ioq_next; - struct ioq *ioq_prev; - }; - }; - struct { - sp_rpcrecord_state_t record_state; - struct { - char *fragcurrent; - uint32_t bytes_read; - uint32_t remaining_size; - struct iovec vector; - struct iovec *pending_vector; - union { - sp_rpcfrag_request_state_t request; - sp_rpcfrag_vectored_reply_state_t reply; - } call_body; - - sp_rpcfrag_simple_msg_state_t simple_state; - sp_rpcfrag_state_t state; - } frag; - struct iobuf *iobuf; - size_t iobuf_size; - struct iovec vector[2]; - int count; - struct iobuf *vectoriob; - size_t vectoriob_size; - rpc_request_info_t *request_info; - struct iovec *pending_vector; - int pending_count; - uint32_t fraghdr; - char complete_record; - msg_type_t msg_type; - size_t total_bytes_read; - } incoming; - pthread_mutex_t lock; - int windowsize; - char lowlat; - char nodelay; -} socket_private_t; - - -#endif diff --git a/xlators/protocol/server/src/Makefile.am b/xlators/protocol/server/src/Makefile.am index 566067960..be304bdc7 100644 --- a/xlators/protocol/server/src/Makefile.am +++ b/xlators/protocol/server/src/Makefile.am @@ -4,7 +4,7 @@ xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/protocol server_la_LDFLAGS = -module -avoidversion server_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \ - $(top_builddir)/xlators/protocol/rpc/rpc-lib/src/libgfrpc.la \ + $(top_builddir)/rpc/rpc-lib/src/libgfrpc.la \ $(top_builddir)/xlators/protocol/lib/src/libgfproto1.la server_la_SOURCES = server.c server-resolve.c server-helpers.c \ @@ -16,7 +16,7 @@ AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall \ -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles \ -DCONFDIR=\"$(sysconfdir)/glusterfs\" -D$(GF_HOST_OS) \ $(GF_CFLAGS) -I$(top_srcdir)/xlators/protocol/lib/src \ - -I$(top_srcdir)/xlators/protocol/rpc/rpc-lib/src/ \ + -I$(top_srcdir)/rpc/rpc-lib/src/ \ -I$(top_srcdir)/contrib/md5/ CLEANFILES = *~ |