1 /* init.c - initialize bdb backend */
4 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
16 static struct bdbi_database {
21 } bdbi_databases[BDB_INDICES] = {
22 { "nextid" BDB_SUFFIX, "nextid", DB_BTREE, 0 },
23 { "dn2entry" BDB_SUFFIX, "dn2entry", DB_BTREE, 0 },
24 { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
29 bdb_destroy( BackendInfo *bi )
35 bdb_open( BackendInfo *bi )
37 /* initialize the underlying database system */
38 Debug( LDAP_DEBUG_TRACE, "bdb_open: initialize BDB backend\n",
45 bdb_close( BackendInfo *bi )
47 /* terminate the underlying database system */
53 bdb_db_init( BackendDB *be )
57 Debug( LDAP_DEBUG_ANY,
58 "bdb_db_init: Initializing BDB database\n",
61 /* allocate backend-database-specific stuff */
62 bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
64 /* DBEnv parameters */
65 bdb->bi_dbenv_home = ch_strdup( BDB_DBENV_HOME );
66 bdb->bi_dbenv_xflags = 0;
67 bdb->bi_dbenv_mode = DEFAULT_MODE;
74 bdb_db_open( BackendDB *be )
77 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
80 Debug( LDAP_DEBUG_ARGS,
82 be->be_suffix[0], 0, 0 );
84 /* we should check existance of dbenv_home and db_directory */
86 rc = db_env_create( &bdb->bi_dbenv, 0 );
88 Debug( LDAP_DEBUG_ANY,
89 "bdb_db_open: db_env_create failed: %s (%d)\n",
90 db_strerror(rc), rc, 0 );
94 flags = DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN |
95 DB_CREATE | DB_RECOVER | DB_THREAD;
97 #ifdef SLAPD_BDB_PRIVATE
100 flags |= DB_INIT_MPOOL;
103 bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0] );
104 bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
108 char dir[MAXPATHLEN];
109 size_t len = strlen( bdb->bi_dbenv_home );
111 strcpy( dir, bdb->bi_dbenv_home );
112 strcat( &dir[len], BDB_TMP_SUBDIR );
114 rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
116 Debug( LDAP_DEBUG_ANY,
117 "bdb_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
118 dir, db_strerror(rc), rc );
122 strcat( &dir[len], BDB_LG_SUBDIR );
124 rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
126 Debug( LDAP_DEBUG_ANY,
127 "bi_back_db_open: set_lg_dir(%s) failed: %s (%d)\n",
128 dir, db_strerror(rc), rc );
132 strcat( &dir[len], BDB_DATA_SUBDIR );
134 rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
136 Debug( LDAP_DEBUG_ANY,
137 "bdb_db_open: set_data_dir(%s) failed: %s (%d)\n",
138 dir, db_strerror(rc), rc );
144 Debug( LDAP_DEBUG_TRACE,
145 "bi_back_db_open: dbenv_open(%s)\n",
146 bdb->bi_dbenv_home, 0, 0);
148 rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
150 flags | bdb->bi_dbenv_xflags,
151 bdb->bi_dbenv_mode );
153 Debug( LDAP_DEBUG_ANY,
154 "bdb_db_open: dbenv_open failed: %s (%d)\n",
155 db_strerror(rc), rc, 0 );
159 flags = DB_THREAD | DB_CREATE;
161 /* open (and create) main database */
162 for( i = 0; i < BDB_INDICES; i++ ) {
163 struct bdb_db_info *db;
165 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
167 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
169 Debug( LDAP_DEBUG_ANY,
170 "bdb_db_open: db_create(%s) failed: %s (%d)\n",
171 bdb->bi_dbenv_home, db_strerror(rc), rc );
175 rc = db->bdi_db->open( db->bdi_db,
176 bdbi_databases[i].file,
177 bdbi_databases[i].name,
178 bdbi_databases[i].type,
179 bdbi_databases[i].flags | flags,
180 bdb->bi_dbenv_mode );
183 Debug( LDAP_DEBUG_ANY,
184 "bdb_db_open: db_open(%s) failed: %s (%d)\n",
185 bdb->bi_dbenv_home, db_strerror(rc), rc );
190 /* <insert> open (and create) index databases */
197 bdb_db_close( BackendDB *be )
200 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
202 /* force a checkpoint */
203 rc = txn_checkpoint( bdb->bi_dbenv, 0, 0, DB_FORCE );
205 Debug( LDAP_DEBUG_ANY,
206 "bdb_db_destroy: txn_checkpoint failed: %s (%d)\n",
207 db_strerror(rc), rc, 0 );
211 while( bdb->bi_ndatabases-- ) {
212 rc = bdb->bi_databases[bdb->bi_ndatabases]->bdi_db->close(
213 bdb->bi_databases[bdb->bi_ndatabases]->bdi_db, 0 );
220 bdb_db_destroy( BackendDB *be )
223 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
225 /* close db environment */
226 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
227 bdb->bi_dbenv = NULL;
229 Debug( LDAP_DEBUG_ANY,
230 "bdb_db_destroy: close failed: %s (%d)\n",
231 db_strerror(rc), rc, 0 );
238 #ifdef SLAPD_BDB_DYNAMIC
239 int back_bdb_LTX_init_module( int argc, char *argv[] ) {
242 memset( &bi, '\0', sizeof(bi) );
244 bi.bi_init = bdb_initialize;
249 #endif /* SLAPD_BDB_DYNAMIC */
256 static char *controls[] = {
257 LDAP_CONTROL_MANAGEDSAIT,
261 { /* version check */
262 int major, minor, patch;
263 char *version = db_version( &major, &minor, &patch );
265 if( major != DB_VERSION_MAJOR ||
266 minor != DB_VERSION_MINOR ||
267 patch < DB_VERSION_PATCH )
269 Debug( LDAP_DEBUG_ANY,
270 "bi_back_initialize: version mismatch\n"
271 "\texpected: " DB_VERSION_STRING "\n"
272 "\tgot: %s \n", version, 0, 0 );
275 Debug( LDAP_DEBUG_ANY, "bdb_initialize: %s\n",
280 db_env_set_func_malloc( ch_malloc );
281 db_env_set_func_realloc( ch_realloc );
282 db_env_set_func_free( ch_free );
284 db_env_set_func_yield( ldap_pvt_thread_yield );
286 bi->bi_controls = controls;
293 bi->bi_db_init = bdb_db_init;
294 bi->bi_db_config = bdb_db_config;
295 bi->bi_db_open = bdb_db_open;
296 bi->bi_db_close = bdb_db_close;
297 bi->bi_db_destroy = bdb_db_destroy;
299 bi->bi_op_add = bdb_add;
300 bi->bi_op_bind = bdb_bind;
301 bi->bi_op_compare = bdb_compare;
302 bi->bi_op_delete = bdb_delete;
303 bi->bi_op_search = bdb_search;
306 bi->bi_op_unbind = bdb_unbind;
307 bi->bi_op_modify = bdb_modify;
308 bi->bi_op_modrdn = bdb_modrdn;
309 bi->bi_op_abandon = bdb_abandon;
311 bi->bi_extended = bdb_extended;
313 bi->bi_acl_group = bdb_group;
314 bi->bi_acl_attribute = bdb_attribute;
315 bi->bi_chk_referrals = bdb_referrals;
318 bi->bi_entry_release_rw = 0;
321 * hooks for slap tools
323 bi->bi_tool_entry_open = bdb_tool_entry_open;
324 bi->bi_tool_entry_close = bdb_tool_entry_close;
325 bi->bi_tool_entry_first = bdb_tool_entry_next;
326 bi->bi_tool_entry_next = bdb_tool_entry_next;
327 bi->bi_tool_entry_get = bdb_tool_entry_get;
328 bi->bi_tool_entry_put = bdb_tool_entry_put;
329 bi->bi_tool_entry_reindex = 0;
330 bi->bi_tool_sync = 0;
332 bi->bi_connection_init = 0;
333 bi->bi_connection_destroy = 0;