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"
27 #include "lib/param/param.h"
29 #ifdef CLUSTER_SUPPORT
30 #include "ctdb_private.h"
33 bool db_is_local(const char *name)
35 #ifdef CLUSTER_SUPPORT
36 const char *sockname = lp_ctdbd_socket();
38 if (lp_clustering() && socket_exist(sockname)) {
40 /* ctdb only wants the file part of the name */
41 partname = strrchr(name, '/');
47 /* allow ctdb for individual databases to be disabled */
48 if (lp_parm_bool(-1, "ctdb", partname, True)) {
59 struct db_context *db_open(TALLOC_CTX *mem_ctx,
61 int hash_size, int tdb_flags,
62 int open_flags, mode_t mode,
63 enum dbwrap_lock_order lock_order)
65 struct db_context *result = NULL;
66 #ifdef CLUSTER_SUPPORT
71 case DBWRAP_LOCK_ORDER_1:
72 case DBWRAP_LOCK_ORDER_2:
73 case DBWRAP_LOCK_ORDER_3:
77 * Only allow the 3 levels ctdb gives us.
83 #ifdef CLUSTER_SUPPORT
84 sockname = lp_ctdbd_socket();
86 if (lp_clustering()) {
89 if (!socket_exist(sockname)) {
90 DEBUG(1, ("ctdb socket does not exist - is ctdb not "
95 /* ctdb only wants the file part of the name */
96 partname = strrchr(name, '/');
102 /* allow ctdb for individual databases to be disabled */
103 if (lp_parm_bool(-1, "ctdb", partname, True)) {
104 result = db_open_ctdb(mem_ctx, partname, hash_size,
105 tdb_flags, open_flags, mode,
107 if (result == NULL) {
108 DEBUG(0,("failed to attach to ctdb %s\n",
120 if (result == NULL) {
121 struct loadparm_context *lp_ctx = loadparm_init_s3(mem_ctx, loadparm_s3_context());
122 result = dbwrap_local_open(mem_ctx, lp_ctx, name, hash_size,
123 tdb_flags, open_flags, mode,
125 talloc_unlink(mem_ctx, lp_ctx);