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authorAmar Tumballi <amar@gluster.com>2010-06-21 04:24:40 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-06-21 20:21:05 -0700
commitb9b8734a9496ccf5f8ed5527dc7714930a59948b (patch)
treeffcf9187c315b30e23cfa7f68f1d360e246d94c2 /xlators/protocol/server/src/server-helpers.c
parent2a5fada7546032e1fc1b106ddd40e42cc45349e1 (diff)
renamed xlator/protocol to xlator/protocol/legacy
Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Raghavendra G <raghavendra@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/server/src/server-helpers.c')
-rw-r--r--xlators/protocol/server/src/server-helpers.c925
1 files changed, 0 insertions, 925 deletions
diff --git a/xlators/protocol/server/src/server-helpers.c b/xlators/protocol/server/src/server-helpers.c
deleted file mode 100644
index d07e841f287..00000000000
--- a/xlators/protocol/server/src/server-helpers.c
+++ /dev/null
@@ -1,925 +0,0 @@
-/*
- Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com>
- This file is part of GlusterFS.
-
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "server-protocol.h"
-#include "server-helpers.h"
-
-
-/* server_loc_fill - derive a loc_t for a given inode number
- *
- * NOTE: make sure that @loc is empty, because any pointers it holds with reference will
- * be leaked after returning from here.
- */
-int
-server_loc_fill (loc_t *loc, server_state_t *state,
- ino_t ino, ino_t par,
- const char *name, const char *path)
-{
- inode_t *inode = NULL;
- inode_t *parent = NULL;
- int32_t ret = -1;
- char *dentry_path = NULL;
-
-
- GF_VALIDATE_OR_GOTO ("server", loc, out);
- GF_VALIDATE_OR_GOTO ("server", state, out);
- GF_VALIDATE_OR_GOTO ("server", path, out);
-
- /* anything beyond this point is success */
- ret = 0;
- loc->ino = ino;
- inode = loc->inode;
- if (inode == NULL) {
- if (ino)
- inode = inode_search (state->itable, ino, NULL);
-
- if ((inode == NULL) &&
- (par && name))
- inode = inode_search (state->itable, par, name);
-
- loc->inode = inode;
- if (inode)
- loc->ino = inode->ino;
- }
-
- parent = loc->parent;
- if (parent == NULL) {
- if (inode)
- parent = inode_parent (inode, par, name);
- else
- parent = inode_search (state->itable, par, NULL);
- loc->parent = parent;
- }
-
- if (name && parent) {
- ret = inode_path (parent, name, &dentry_path);
- if (ret < 0) {
- gf_log (state->bound_xl->name, GF_LOG_DEBUG,
- "failed to build path for %"PRId64"/%s: %s",
- parent->ino, name, strerror (-ret));
- }
- } else if (inode) {
- ret = inode_path (inode, NULL, &dentry_path);
- if (ret < 0) {
- gf_log (state->bound_xl->name, GF_LOG_DEBUG,
- "failed to build path for %"PRId64": %s",
- inode->ino, strerror (-ret));
- }
- }
-
- if (dentry_path) {
- if (strcmp (dentry_path, path)) {
- gf_log (state->bound_xl->name, GF_LOG_DEBUG,
- "paths differ for inode(%"PRId64"): "
- "client path = %s. dentry path = %s",
- ino, path, dentry_path);
- }
-
- loc->path = dentry_path;
- loc->name = strrchr (loc->path, '/');
- if (loc->name)
- loc->name++;
- } else {
- loc->path = gf_strdup (path);
- loc->name = strrchr (loc->path, '/');
- if (loc->name)
- loc->name++;
- }
-
-out:
- return ret;
-}
-
-/*
- * stat_to_str - convert struct iatt to a ASCII string
- * @stbuf: struct iatt pointer
- *
- * not for external reference
- */
-char *
-stat_to_str (struct iatt *stbuf)
-{
- int ret = 0;
- char *tmp_buf = NULL;
-
- uint64_t dev = stbuf->ia_gen;
- uint64_t ino = stbuf->ia_ino;
- uint32_t mode = st_mode_from_ia (stbuf->ia_prot, stbuf->ia_type);
- uint32_t nlink = stbuf->ia_nlink;
- uint32_t uid = stbuf->ia_uid;
- uint32_t gid = stbuf->ia_gid;
- uint64_t rdev = stbuf->ia_rdev;
- uint64_t size = stbuf->ia_size;
- uint32_t blksize = stbuf->ia_blksize;
- uint64_t blocks = stbuf->ia_blocks;
- uint32_t atime = stbuf->ia_atime;
- uint32_t mtime = stbuf->ia_mtime;
- uint32_t ctime = stbuf->ia_ctime;
-
- uint32_t atime_nsec = stbuf->ia_atime_nsec;
- uint32_t mtime_nsec = stbuf->ia_mtime_nsec;
- uint32_t ctime_nsec = stbuf->ia_ctime_nsec;
-
-
- ret = gf_asprintf (&tmp_buf,
- GF_STAT_PRINT_FMT_STR,
- dev,
- ino,
- mode,
- nlink,
- uid,
- gid,
- rdev,
- size,
- blksize,
- blocks,
- atime,
- atime_nsec,
- mtime,
- mtime_nsec,
- ctime,
- ctime_nsec);
- if (-1 == ret) {
- gf_log ("protocol/server", GF_LOG_DEBUG,
- "asprintf failed while setting up stat buffer string");
- return NULL;
- }
- return tmp_buf;
-}
-
-
-void
-server_loc_wipe (loc_t *loc)
-{
- if (loc->parent) {
- inode_unref (loc->parent);
- loc->parent = NULL;
- }
-
- if (loc->inode) {
- inode_unref (loc->inode);
- loc->inode = NULL;
- }
-
- if (loc->path)
- GF_FREE ((char *)loc->path);
-}
-
-
-void
-server_resolve_wipe (server_resolve_t *resolve)
-{
- struct resolve_comp *comp = NULL;
- int i = 0;
-
- if (resolve->path)
- GF_FREE (resolve->path);
-
- if (resolve->bname)
- GF_FREE (resolve->bname);
-
- if (resolve->resolved)
- GF_FREE (resolve->resolved);
-
- loc_wipe (&resolve->deep_loc);
-
- comp = resolve->components;
- if (comp) {
- for (i = 0; comp[i].basename; i++) {
- if (comp[i].inode)
- inode_unref (comp[i].inode);
- }
- GF_FREE (resolve->components);
- }
-}
-
-
-void
-free_state (server_state_t *state)
-{
- if (state->trans) {
- transport_unref (state->trans);
- state->trans = NULL;
- }
-
- if (state->fd) {
- fd_unref (state->fd);
- state->fd = NULL;
- }
-
- if (state->iobref) {
- iobref_unref (state->iobref);
- state->iobref = NULL;
- }
-
- if (state->iobuf) {
- iobuf_unref (state->iobuf);
- state->iobuf = NULL;
- }
-
- if (state->dict) {
- dict_unref (state->dict);
- state->dict = NULL;
- }
-
- if (state->volume)
- GF_FREE ((char *)state->volume);
-
- if (state->name)
- GF_FREE (state->name);
-
- server_loc_wipe (&state->loc);
- server_loc_wipe (&state->loc2);
-
- server_resolve_wipe (&state->resolve);
- server_resolve_wipe (&state->resolve2);
-
- GF_FREE (state);
-}
-
-
-call_frame_t *
-server_copy_frame (call_frame_t *frame)
-{
- call_frame_t *new_frame = NULL;
- server_state_t *state = NULL, *new_state = NULL;
-
- state = frame->root->state;
-
- new_frame = copy_frame (frame);
-
- new_state = GF_CALLOC (1, sizeof (server_state_t),
- gf_server_mt_server_state_t);
-
- new_frame->root->op = frame->root->op;
- new_frame->root->type = frame->root->type;
- new_frame->root->trans = state->trans;
- new_frame->root->state = new_state;
-
- new_state->bound_xl = state->bound_xl;
- new_state->trans = transport_ref (state->trans);
- new_state->itable = state->itable;
-
- new_state->resolve.fd_no = -1;
- new_state->resolve2.fd_no = -1;
-
- return new_frame;
-}
-
-
-int
-gf_add_locker (struct _lock_table *table, const char *volume,
- loc_t *loc, fd_t *fd, pid_t pid)
-{
- int32_t ret = -1;
- struct _locker *new = NULL;
- uint8_t dir = 0;
-
- new = GF_CALLOC (1, sizeof (struct _locker),
- gf_server_mt_locker);
- if (new == NULL) {
- gf_log ("server", GF_LOG_ERROR,
- "failed to allocate memory for \'struct _locker\'");
- goto out;
- }
- INIT_LIST_HEAD (&new->lockers);
-
- new->volume = gf_strdup (volume);
-
- if (fd == NULL) {
- loc_copy (&new->loc, loc);
- dir = IA_ISDIR (new->loc.inode->ia_type);
- } else {
- new->fd = fd_ref (fd);
- dir = IA_ISDIR (fd->inode->ia_type);
- }
-
- new->pid = pid;
-
- LOCK (&table->lock);
- {
- if (dir)
- list_add_tail (&new->lockers, &table->dir_lockers);
- else
- list_add_tail (&new->lockers, &table->file_lockers);
- }
- UNLOCK (&table->lock);
-out:
- return ret;
-}
-
-
-int
-gf_del_locker (struct _lock_table *table, const char *volume,
- loc_t *loc, fd_t *fd, pid_t pid)
-{
- struct _locker *locker = NULL;
- struct _locker *tmp = NULL;
- int32_t ret = 0;
- uint8_t dir = 0;
- struct list_head *head = NULL;
- struct list_head del;
-
- INIT_LIST_HEAD (&del);
-
- if (fd) {
- dir = IA_ISDIR (fd->inode->ia_type);
- } else {
- dir = IA_ISDIR (loc->inode->ia_type);
- }
-
- LOCK (&table->lock);
- {
- if (dir) {
- head = &table->dir_lockers;
- } else {
- head = &table->file_lockers;
- }
-
- list_for_each_entry_safe (locker, tmp, head, lockers) {
- if (locker->fd && fd &&
- (locker->fd == fd) && (locker->pid == pid)
- && !strcmp (locker->volume, volume)) {
- list_move_tail (&locker->lockers, &del);
- } else if (locker->loc.inode &&
- loc &&
- (locker->loc.inode == loc->inode) &&
- (locker->pid == pid)
- && !strcmp (locker->volume, volume)) {
- list_move_tail (&locker->lockers, &del);
- }
- }
- }
- UNLOCK (&table->lock);
-
- tmp = NULL;
- locker = NULL;
-
- list_for_each_entry_safe (locker, tmp, &del, lockers) {
- list_del_init (&locker->lockers);
- if (locker->fd)
- fd_unref (locker->fd);
- else
- loc_wipe (&locker->loc);
-
- GF_FREE (locker->volume);
- GF_FREE (locker);
- }
-
- return ret;
-}
-
-
-int
-gf_direntry_to_bin (dir_entry_t *head, char *buffer)
-{
- dir_entry_t *trav = NULL;
- uint32_t len = 0;
- uint32_t this_len = 0;
- size_t buflen = -1;
- char *ptr = NULL;
- char *tmp_buf = NULL;
-
- trav = head->next;
- while (trav) {
- len += strlen (trav->name);
- len += 1;
- len += strlen (trav->link);
- len += 1; /* for '\n' */
- len += 256; // max possible for statbuf;
- trav = trav->next;
- }
-
- ptr = buffer;
- trav = head->next;
- while (trav) {
- tmp_buf = stat_to_str (&trav->buf);
- /* tmp_buf will have \n before \0 */
-
- this_len = sprintf (ptr, "%s/%s%s\n",
- trav->name, tmp_buf,
- trav->link);
-
- GF_FREE (tmp_buf);
- trav = trav->next;
- ptr += this_len;
- }
-
- buflen = strlen (buffer);
-
- return buflen;
-}
-
-
-static struct _lock_table *
-gf_lock_table_new (void)
-{
- struct _lock_table *new = NULL;
-
- new = GF_CALLOC (1, sizeof (struct _lock_table),
- gf_server_mt_lock_table);
- if (new == NULL) {
- gf_log ("server-protocol", GF_LOG_CRITICAL,
- "failed to allocate memory for new lock table");
- goto out;
- }
- INIT_LIST_HEAD (&new->dir_lockers);
- INIT_LIST_HEAD (&new->file_lockers);
- LOCK_INIT (&new->lock);
-out:
- return new;
-}
-
-
-int
-do_lock_table_cleanup (xlator_t *this, server_connection_t *conn,
- call_frame_t *frame, struct _lock_table *ltable)
-{
- struct list_head file_lockers, dir_lockers;
- call_frame_t *tmp_frame = NULL;
- struct flock flock = {0, };
- xlator_t *bound_xl = NULL;
- struct _locker *locker = NULL, *tmp = NULL;
- int ret = -1;
-
- bound_xl = conn->bound_xl;
- INIT_LIST_HEAD (&file_lockers);
- INIT_LIST_HEAD (&dir_lockers);
-
- LOCK (&ltable->lock);
- {
- list_splice_init (&ltable->file_lockers,
- &file_lockers);
-
- list_splice_init (&ltable->dir_lockers, &dir_lockers);
- }
- UNLOCK (&ltable->lock);
-
- GF_FREE (ltable);
-
- flock.l_type = F_UNLCK;
- flock.l_start = 0;
- flock.l_len = 0;
- list_for_each_entry_safe (locker,
- tmp, &file_lockers, lockers) {
- tmp_frame = copy_frame (frame);
- if (tmp_frame == NULL) {
- gf_log (this->name, GF_LOG_ERROR,
- "out of memory");
- goto out;
- }
- /*
- pid = 0 is a special case that tells posix-locks
- to release all locks from this transport
- */
- tmp_frame->root->pid = 0;
- tmp_frame->root->trans = conn;
-
- if (locker->fd) {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->finodelk,
- locker->volume,
- locker->fd, F_SETLK, &flock);
- fd_unref (locker->fd);
- } else {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->inodelk,
- locker->volume,
- &(locker->loc), F_SETLK, &flock);
- loc_wipe (&locker->loc);
- }
-
- GF_FREE (locker->volume);
-
- list_del_init (&locker->lockers);
- GF_FREE (locker);
- }
-
- tmp = NULL;
- locker = NULL;
- list_for_each_entry_safe (locker, tmp, &dir_lockers, lockers) {
- tmp_frame = copy_frame (frame);
-
- tmp_frame->root->pid = 0;
- tmp_frame->root->trans = conn;
-
- if (locker->fd) {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->fentrylk,
- locker->volume,
- locker->fd, NULL,
- ENTRYLK_UNLOCK, ENTRYLK_WRLCK);
- fd_unref (locker->fd);
- } else {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->entrylk,
- locker->volume,
- &(locker->loc), NULL,
- ENTRYLK_UNLOCK, ENTRYLK_WRLCK);
- loc_wipe (&locker->loc);
- }
-
- GF_FREE (locker->volume);
-
- list_del_init (&locker->lockers);
- GF_FREE (locker);
- }
- ret = 0;
-
-out:
- return ret;
-}
-
-
-static int
-server_connection_cleanup_flush_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno)
-{
- fd_t *fd = NULL;
-
- fd = frame->local;
-
- fd_unref (fd);
- frame->local = NULL;
-
- STACK_DESTROY (frame->root);
- return 0;
-}
-
-
-int
-do_fd_cleanup (xlator_t *this, server_connection_t *conn, call_frame_t *frame,
- fdentry_t *fdentries, int fd_count)
-{
- fd_t *fd = NULL;
- int i = 0, ret = -1;
- call_frame_t *tmp_frame = NULL;
- xlator_t *bound_xl = NULL;
-
- bound_xl = conn->bound_xl;
- for (i = 0;i < fd_count; i++) {
- fd = fdentries[i].fd;
-
- if (fd != NULL) {
- tmp_frame = copy_frame (frame);
- if (tmp_frame == NULL) {
- gf_log (this->name, GF_LOG_ERROR,
- "out of memory");
- goto out;
- }
- tmp_frame->local = fd;
-
- tmp_frame->root->pid = 0;
- tmp_frame->root->trans = conn;
- tmp_frame->root->lk_owner = 0;
- STACK_WIND (tmp_frame,
- server_connection_cleanup_flush_cbk,
- bound_xl, bound_xl->fops->flush, fd);
- }
- }
-
- GF_FREE (fdentries);
- ret = 0;
-
-out:
- return ret;
-}
-
-int
-do_connection_cleanup (xlator_t *this, server_connection_t *conn,
- struct _lock_table *ltable, fdentry_t *fdentries, int fd_count)
-{
- int ret = 0;
- int saved_ret = 0;
- call_frame_t *frame = NULL;
- server_state_t *state = NULL;
-
- frame = create_frame (this, this->ctx->pool);
- if (frame == NULL) {
- gf_log (this->name, GF_LOG_ERROR, "out of memory");
- goto out;
- }
-
- saved_ret = do_lock_table_cleanup (this, conn, frame, ltable);
-
- if (fdentries != NULL) {
- ret = do_fd_cleanup (this, conn, frame, fdentries, fd_count);
- }
-
- state = CALL_STATE (frame);
- if (state)
- GF_FREE (state);
-
- STACK_DESTROY (frame->root);
-
- if (saved_ret || ret) {
- ret = -1;
- }
-
-out:
- return ret;
-}
-
-
-int
-server_connection_cleanup (xlator_t *this, server_connection_t *conn)
-{
- char do_cleanup = 0;
- struct _lock_table *ltable = NULL;
- fdentry_t *fdentries = NULL;
- uint32_t fd_count = 0;
- int ret = 0;
-
- if (conn == NULL) {
- goto out;
- }
-
- pthread_mutex_lock (&conn->lock);
- {
- conn->active_transports--;
- if (conn->active_transports == 0) {
- if (conn->ltable) {
- ltable = conn->ltable;
- conn->ltable = gf_lock_table_new ();
- }
-
- if (conn->fdtable) {
- fdentries = gf_fd_fdtable_get_all_fds (conn->fdtable,
- &fd_count);
- }
- do_cleanup = 1;
- }
- }
- pthread_mutex_unlock (&conn->lock);
-
- if (do_cleanup && conn->bound_xl)
- ret = do_connection_cleanup (this, conn, ltable, fdentries, fd_count);
-
-out:
- return ret;
-}
-
-
-int
-server_connection_destroy (xlator_t *this, server_connection_t *conn)
-{
- call_frame_t *frame = NULL, *tmp_frame = NULL;
- xlator_t *bound_xl = NULL;
- int32_t ret = -1;
- server_state_t *state = NULL;
- struct list_head file_lockers;
- struct list_head dir_lockers;
- struct _lock_table *ltable = NULL;
- struct _locker *locker = NULL, *tmp = NULL;
- struct flock flock = {0,};
- fd_t *fd = NULL;
- int32_t i = 0;
- fdentry_t *fdentries = NULL;
- uint32_t fd_count = 0;
-
- if (conn == NULL) {
- ret = 0;
- goto out;
- }
-
- bound_xl = (xlator_t *) (conn->bound_xl);
-
- if (bound_xl) {
- /* trans will have ref_count = 1 after this call, but its
- ok since this function is called in
- GF_EVENT_TRANSPORT_CLEANUP */
- frame = create_frame (this, this->ctx->pool);
-
- pthread_mutex_lock (&(conn->lock));
- {
- if (conn->ltable) {
- ltable = conn->ltable;
- conn->ltable = NULL;
- }
- }
- pthread_mutex_unlock (&conn->lock);
-
- INIT_LIST_HEAD (&file_lockers);
- INIT_LIST_HEAD (&dir_lockers);
-
- LOCK (&ltable->lock);
- {
- list_splice_init (&ltable->file_lockers,
- &file_lockers);
-
- list_splice_init (&ltable->dir_lockers, &dir_lockers);
- }
- UNLOCK (&ltable->lock);
- GF_FREE (ltable);
-
- flock.l_type = F_UNLCK;
- flock.l_start = 0;
- flock.l_len = 0;
- list_for_each_entry_safe (locker,
- tmp, &file_lockers, lockers) {
- tmp_frame = copy_frame (frame);
- /*
- pid = 0 is a special case that tells posix-locks
- to release all locks from this transport
- */
- tmp_frame->root->pid = 0;
- tmp_frame->root->trans = conn;
-
- if (locker->fd) {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->finodelk,
- locker->volume,
- locker->fd, F_SETLK, &flock);
- fd_unref (locker->fd);
- } else {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->inodelk,
- locker->volume,
- &(locker->loc), F_SETLK, &flock);
- loc_wipe (&locker->loc);
- }
-
- GF_FREE (locker->volume);
-
- list_del_init (&locker->lockers);
- GF_FREE (locker);
- }
-
- tmp = NULL;
- locker = NULL;
- list_for_each_entry_safe (locker, tmp, &dir_lockers, lockers) {
- tmp_frame = copy_frame (frame);
-
- tmp_frame->root->pid = 0;
- tmp_frame->root->trans = conn;
-
- if (locker->fd) {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->fentrylk,
- locker->volume,
- locker->fd, NULL,
- ENTRYLK_UNLOCK, ENTRYLK_WRLCK);
- fd_unref (locker->fd);
- } else {
- STACK_WIND (tmp_frame, server_nop_cbk,
- bound_xl,
- bound_xl->fops->entrylk,
- locker->volume,
- &(locker->loc), NULL,
- ENTRYLK_UNLOCK, ENTRYLK_WRLCK);
- loc_wipe (&locker->loc);
- }
-
- GF_FREE (locker->volume);
-
-
- list_del_init (&locker->lockers);
- GF_FREE (locker);
- }
-
- pthread_mutex_lock (&(conn->lock));
- {
- if (conn->fdtable) {
- fdentries = gf_fd_fdtable_get_all_fds (conn->fdtable,
- &fd_count);
- gf_fd_fdtable_destroy (conn->fdtable);
- conn->fdtable = NULL;
- }
- }
- pthread_mutex_unlock (&conn->lock);
-
- if (fdentries != NULL) {
- for (i = 0; i < fd_count; i++) {
- fd = fdentries[i].fd;
- if (fd != NULL) {
- tmp_frame = copy_frame (frame);
- tmp_frame->local = fd;
-
- STACK_WIND (tmp_frame,
- server_connection_cleanup_flush_cbk,
- bound_xl,
- bound_xl->fops->flush,
- fd);
- }
- }
- GF_FREE (fdentries);
- }
- }
-
- if (frame) {
- state = CALL_STATE (frame);
- if (state)
- GF_FREE (state);
- STACK_DESTROY (frame->root);
- }
-
- gf_log (this->name, GF_LOG_INFO, "destroyed connection of %s",
- conn->id);
-
- GF_FREE (conn->id);
- GF_FREE (conn);
-
-out:
- return ret;
-}
-
-
-server_connection_t *
-server_connection_get (xlator_t *this, const char *id)
-{
- server_connection_t *conn = NULL;
- server_connection_t *trav = NULL;
- server_conf_t *conf = NULL;
-
- conf = this->private;
-
- pthread_mutex_lock (&conf->mutex);
- {
- list_for_each_entry (trav, &conf->conns, list) {
- if (!strcmp (id, trav->id)) {
- conn = trav;
- break;
- }
- }
-
- if (!conn) {
- conn = (void *) GF_CALLOC (1, sizeof (*conn),
- gf_server_mt_server_connection_t);
-
- conn->id = gf_strdup (id);
- conn->fdtable = gf_fd_fdtable_alloc ();
- conn->ltable = gf_lock_table_new ();
-
- pthread_mutex_init (&conn->lock, NULL);
-
- list_add (&conn->list, &conf->conns);
- }
-
- conn->ref++;
- conn->active_transports++;
- }
- pthread_mutex_unlock (&conf->mutex);
-
- return conn;
-}
-
-
-void
-server_connection_put (xlator_t *this, server_connection_t *conn)
-{
- server_conf_t *conf = NULL;
- server_connection_t *todel = NULL;
-
- if (conn == NULL) {
- goto out;
- }
-
- conf = this->private;
-
- pthread_mutex_lock (&conf->mutex);
- {
- conn->ref--;
-
- if (!conn->ref) {
- list_del_init (&conn->list);
- todel = conn;
- }
- }
- pthread_mutex_unlock (&conf->mutex);
-
- if (todel) {
- server_connection_destroy (this, todel);
- }
-
-out:
- return;
-}