2 Unix SMB/CIFS implementation.
3 Database interface wrapper
5 Copyright (C) Volker Lendecke 2005-2007
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "dbwrap/dbwrap.h"
23 #include "dbwrap/dbwrap_private.h"
24 #include "dbwrap/dbwrap_open.h"
25 #include "dbwrap/dbwrap_tdb.h"
26 #include "dbwrap/dbwrap_ctdb.h"
28 #ifdef CLUSTER_SUPPORT
29 #include "ctdb_private.h"
32 bool db_is_local(const char *name)
34 #ifdef CLUSTER_SUPPORT
35 const char *sockname = lp_ctdbd_socket();
37 if(!sockname || !*sockname) {
41 if (lp_clustering() && socket_exist(sockname)) {
43 /* ctdb only wants the file part of the name */
44 partname = strrchr(name, '/');
50 /* allow ctdb for individual databases to be disabled */
51 if (lp_parm_bool(-1, "ctdb", partname, True)) {
62 struct db_context *db_open(TALLOC_CTX *mem_ctx,
64 int hash_size, int tdb_flags,
65 int open_flags, mode_t mode,
66 enum dbwrap_lock_order lock_order)
68 struct db_context *result = NULL;
69 #ifdef CLUSTER_SUPPORT
73 if ((lock_order != DBWRAP_LOCK_ORDER_1) &&
74 (lock_order != DBWRAP_LOCK_ORDER_2)) {
76 * Only allow 2 levels. ctdb gives us 3, and we will
77 * have the watchers database soon.
83 #ifdef CLUSTER_SUPPORT
84 sockname = lp_ctdbd_socket();
86 if(!sockname || !*sockname) {
90 if (lp_clustering()) {
93 if (!socket_exist(sockname)) {
94 DEBUG(1, ("ctdb socket does not exist - is ctdb not "
99 /* ctdb only wants the file part of the name */
100 partname = strrchr(name, '/');
106 /* allow ctdb for individual databases to be disabled */
107 if (lp_parm_bool(-1, "ctdb", partname, True)) {
108 result = db_open_ctdb(mem_ctx, partname, hash_size,
109 tdb_flags, open_flags, mode,
111 if (result == NULL) {
112 DEBUG(0,("failed to attach to ctdb %s\n",
124 if (result == NULL) {
125 result = db_open_tdb(mem_ctx, name, hash_size,
126 tdb_flags, open_flags, mode);
128 if (result != NULL) {
129 result->lock_order = lock_order;