1 /* init.c - initialize bdb backend */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2007 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
20 #include <ac/string.h>
21 #include <ac/unistd.h>
22 #include <ac/stdlib.h>
31 static const struct bdbi_database {
36 } bdbi_databases[] = {
37 { "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
38 { "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
42 typedef void * db_malloc(size_t);
43 typedef void * db_realloc(void *, size_t);
45 #define bdb_db_init BDB_SYMBOL(db_init)
46 #define bdb_db_open BDB_SYMBOL(db_open)
47 #define bdb_db_close BDB_SYMBOL(db_close)
50 bdb_db_init( BackendDB *be, ConfigReply *cr )
55 Debug( LDAP_DEBUG_TRACE,
56 LDAP_XSTRING(bdb_db_init) ": Initializing " BDB_UCTYPE " database\n",
59 /* allocate backend-database-specific stuff */
60 bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
62 /* DBEnv parameters */
63 bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
64 bdb->bi_dbenv_xflags = 0;
65 bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
67 bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
68 bdb->bi_cache.c_minfree = 1;
70 bdb->bi_lock_detect = DB_LOCK_DEFAULT;
71 bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
72 bdb->bi_search_stack = NULL;
74 ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
75 ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
77 ldap_pvt_thread_mutex_init( &bdb->bi_modrdns_mutex );
79 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_lru_mutex );
80 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_count_mutex );
81 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_eifree_mutex );
82 ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
83 ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
84 ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
85 ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
88 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
90 rc = bdb_monitor_db_init( be );
96 bdb_db_close( BackendDB *be, ConfigReply *cr );
99 bdb_db_open( BackendDB *be, ConfigReply *cr )
102 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
103 struct stat stat1, stat2;
105 char path[MAXPATHLEN];
108 int do_recover = 0, do_alock_recover = 0;
109 int alockt, quick = 0;
111 if ( be->be_suffix == NULL ) {
112 Debug( LDAP_DEBUG_ANY,
113 LDAP_XSTRING(bdb_db_open) ": need suffix\n",
118 Debug( LDAP_DEBUG_ARGS,
119 LDAP_XSTRING(bdb_db_open) ": %s\n",
120 be->be_suffix[0].bv_val, 0, 0 );
122 #ifndef BDB_MULTIPLE_SUFFIXES
123 if ( be->be_suffix[1].bv_val ) {
125 snprintf(cr->msg, sizeof(cr->msg), "only one suffix allowed");
126 Debug( LDAP_DEBUG_ANY,
127 LDAP_XSTRING(bdb_db_open) ": %s\n", cr->msg, 0, 0 );
133 /* Check existence of dbenv_home. Any error means trouble */
134 rc = stat( bdb->bi_dbenv_home, &stat1 );
136 Debug( LDAP_DEBUG_ANY,
137 LDAP_XSTRING(bdb_db_open) ": Cannot access database directory %s (%d)\n",
138 bdb->bi_dbenv_home, errno, 0 );
142 /* Perform database use arbitration/recovery logic */
143 alockt = (slapMode & SLAP_TOOL_READONLY) ? ALOCK_LOCKED : ALOCK_UNIQUE;
144 if ( slapMode & SLAP_TOOL_QUICK ) {
145 alockt |= ALOCK_NOSAVE;
149 rc = alock_open( &bdb->bi_alock_info,
151 bdb->bi_dbenv_home, alockt );
153 /* alockt is TRUE if the existing environment was created in Quick mode */
154 alockt = (rc & ALOCK_NOSAVE) ? 1 : 0;
157 if( rc == ALOCK_RECOVER ) {
158 Debug( LDAP_DEBUG_ANY,
159 LDAP_XSTRING(bdb_db_open) ": unclean shutdown detected;"
160 " attempting recovery.\n",
162 do_alock_recover = 1;
163 do_recover = DB_RECOVER;
164 } else if( rc == ALOCK_BUSY ) {
165 Debug( LDAP_DEBUG_ANY,
166 LDAP_XSTRING(bdb_db_open) ": database already in use\n",
169 } else if( rc != ALOCK_CLEAN ) {
170 Debug( LDAP_DEBUG_ANY,
171 LDAP_XSTRING(bdb_db_open) ": alock package is unstable\n",
177 * The DB_CONFIG file may have changed. If so, recover the
178 * database so that new settings are put into effect. Also
179 * note the possible absence of DB_CONFIG in the log.
181 if( stat( bdb->bi_db_config_path, &stat1 ) == 0 ) {
183 char *ptr = lutil_strcopy(path, bdb->bi_dbenv_home);
184 *ptr++ = LDAP_DIRSEP[0];
185 strcpy( ptr, "__db.001" );
186 if( stat( path, &stat2 ) == 0 ) {
187 if( stat2.st_mtime < stat1.st_mtime ) {
188 Debug( LDAP_DEBUG_ANY,
189 LDAP_XSTRING(bdb_db_open) ": DB_CONFIG for suffix %s has changed.\n"
190 "Performing database recovery to activate new settings.\n",
191 be->be_suffix[0].bv_val, 0, 0 );
192 do_recover = DB_RECOVER;
198 Debug( LDAP_DEBUG_ANY,
199 LDAP_XSTRING(bdb_db_open) ": Warning - No DB_CONFIG file found "
200 "in directory %s: (%d)\n"
201 "Expect poor performance for suffix %s.\n",
202 bdb->bi_dbenv_home, errno, be->be_suffix[0].bv_val );
205 /* Always let slapcat run, regardless of environment state.
206 * This can be used to cause a cache flush after an unclean
209 if ( do_recover && ( slapMode & SLAP_TOOL_READONLY )) {
210 Debug( LDAP_DEBUG_ANY,
211 LDAP_XSTRING(bdb_db_open) ": Recovery skipped in read-only mode. "
212 "Run manual recovery if errors are encountered.\n",
218 /* An existing environment in Quick mode has nothing to recover. */
219 if ( alockt && do_recover ) {
220 Debug( LDAP_DEBUG_ANY,
221 LDAP_XSTRING(bdb_db_open) ": cannot recover, database must be reinitialized.\n",
227 rc = db_env_create( &bdb->bi_dbenv, 0 );
229 Debug( LDAP_DEBUG_ANY,
230 LDAP_XSTRING(bdb_db_open) ": db_env_create failed: %s (%d)\n",
231 db_strerror(rc), rc, 0 );
236 strcpy( path, bdb->bi_dbenv_home );
240 dbhome = bdb->bi_dbenv_home;
243 /* If existing environment is clean but doesn't support
244 * currently requested modes, remove it.
246 if ( !do_recover && ( alockt ^ quick )) {
248 rc = bdb->bi_dbenv->remove( bdb->bi_dbenv, dbhome, DB_FORCE );
250 Debug( LDAP_DEBUG_ANY,
251 LDAP_XSTRING(bdb_db_open) ": dbenv remove failed: %s (%d)\n",
252 db_strerror(rc), rc, 0 );
253 bdb->bi_dbenv = NULL;
256 rc = db_env_create( &bdb->bi_dbenv, 0 );
258 Debug( LDAP_DEBUG_ANY,
259 LDAP_XSTRING(bdb_db_open) ": db_env_create failed: %s (%d)\n",
260 db_strerror(rc), rc, 0 );
265 bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
266 bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
268 bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
270 /* One long-lived TXN per thread, two TXNs per write op */
271 bdb->bi_dbenv->set_tx_max( bdb->bi_dbenv, connection_pool_max * 3 );
273 if( bdb->bi_dbenv_xflags != 0 ) {
274 rc = bdb->bi_dbenv->set_flags( bdb->bi_dbenv,
275 bdb->bi_dbenv_xflags, 1);
277 Debug( LDAP_DEBUG_ANY,
278 LDAP_XSTRING(bdb_db_open) ": dbenv_set_flags failed: %s (%d)\n",
279 db_strerror(rc), rc, 0 );
284 #define BDB_TXN_FLAGS (DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN)
286 Debug( LDAP_DEBUG_TRACE,
287 LDAP_XSTRING(bdb_db_open) ": dbenv_open(%s)\n",
288 bdb->bi_dbenv_home, 0, 0);
290 flags = DB_INIT_MPOOL | DB_CREATE | DB_THREAD;
293 flags |= BDB_TXN_FLAGS;
295 /* If a key was set, use shared memory for the BDB environment */
296 if ( bdb->bi_shm_key ) {
297 bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
298 flags |= DB_SYSTEM_MEM;
300 rc = (bdb->bi_dbenv->open)( bdb->bi_dbenv, dbhome,
301 flags | do_recover, bdb->bi_dbenv_mode );
304 /* Regular open faied, probably a missing shm environment.
305 * Start over, do a recovery.
307 if ( !do_recover && bdb->bi_shm_key ) {
308 bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
309 rc = db_env_create( &bdb->bi_dbenv, 0 );
311 Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_db_open)
312 ": Shared memory env open failed, assuming stale env\n",
317 Debug( LDAP_DEBUG_ANY,
318 LDAP_XSTRING(bdb_db_open) ": Database cannot be %s, err %d. "
319 "Restore from backup!\n",
320 do_recover ? "recovered" : "opened", rc, 0);
324 if ( do_alock_recover && alock_recover (&bdb->bi_alock_info) != 0 ) {
325 Debug( LDAP_DEBUG_ANY,
326 LDAP_XSTRING(bdb_db_open) ": alock_recover failed\n",
332 #ifdef SLAP_ZONE_ALLOC
333 if ( bdb->bi_cache.c_maxsize ) {
334 bdb->bi_cache.c_zctx = slap_zn_mem_create(
335 SLAP_ZONE_INITSIZE, SLAP_ZONE_MAXSIZE,
336 SLAP_ZONE_DELTA, SLAP_ZONE_SIZE);
340 if ( bdb->bi_idl_cache_max_size ) {
341 bdb->bi_idl_tree = NULL;
342 bdb->bi_idl_cache_size = 0;
345 flags = DB_THREAD | bdb->bi_db_opflags;
347 #ifdef DB_AUTO_COMMIT
349 flags |= DB_AUTO_COMMIT;
352 bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
353 BDB_INDICES * sizeof(struct bdb_db_info *) );
355 /* open (and create) main database */
356 for( i = 0; bdbi_databases[i].name; i++ ) {
357 struct bdb_db_info *db;
359 db = (struct bdb_db_info *) ch_calloc(1, sizeof(struct bdb_db_info));
361 rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
363 Debug( LDAP_DEBUG_ANY,
364 LDAP_XSTRING(bdb_db_open) ": db_create(%s) failed: %s (%d)\n",
365 bdb->bi_dbenv_home, db_strerror(rc), rc );
369 if( i == BDB_ID2ENTRY ) {
370 if ( slapMode & SLAP_TOOL_MODE )
371 db->bdi_db->mpf->set_priority( db->bdi_db->mpf,
372 DB_PRIORITY_VERY_LOW );
374 rc = db->bdi_db->set_pagesize( db->bdi_db,
375 BDB_ID2ENTRY_PAGESIZE );
376 if ( slapMode & SLAP_TOOL_READMAIN ) {
382 rc = db->bdi_db->set_flags( db->bdi_db,
383 DB_DUP | DB_DUPSORT );
385 if ( slapMode & SLAP_TOOL_READONLY ) {
391 if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
397 rc = db->bdi_db->set_pagesize( db->bdi_db,
402 strcpy( path, bdbi_databases[i].file );
404 rc = DB_OPEN( db->bdi_db,
406 /* bdbi_databases[i].name, */ NULL,
407 bdbi_databases[i].type,
408 bdbi_databases[i].flags | flags,
409 bdb->bi_dbenv_mode );
411 rc = DB_OPEN( db->bdi_db,
412 bdbi_databases[i].file,
413 /* bdbi_databases[i].name, */ NULL,
414 bdbi_databases[i].type,
415 bdbi_databases[i].flags | flags,
416 bdb->bi_dbenv_mode );
420 char buf[SLAP_TEXT_BUFLEN];
422 snprintf( buf, sizeof(buf), "%s/%s",
423 bdb->bi_dbenv_home, bdbi_databases[i].file );
424 Debug( LDAP_DEBUG_ANY,
425 LDAP_XSTRING(bdb_db_open) ": db_open(%s) failed: %s (%d)\n",
426 buf, db_strerror(rc), rc );
427 db->bdi_db->close( db->bdi_db, 0 );
431 flags &= ~(DB_CREATE | DB_RDONLY);
432 db->bdi_name = bdbi_databases[i].name;
433 bdb->bi_databases[i] = db;
436 bdb->bi_databases[i] = NULL;
437 bdb->bi_ndatabases = i;
440 rc = bdb_last_id( be, NULL );
442 Debug( LDAP_DEBUG_ANY,
443 LDAP_XSTRING(bdb_db_open) ": last_id(%s) failed: %s (%d)\n",
444 bdb->bi_dbenv_home, db_strerror(rc), rc );
449 XLOCK_ID(bdb->bi_dbenv, &bdb->bi_cache.c_locker);
452 entry_prealloc( bdb->bi_cache.c_maxsize );
453 attr_prealloc( bdb->bi_cache.c_maxsize * 20 );
455 /* setup for empty-DN contexts */
456 if ( BER_BVISEMPTY( &be->be_nsuffix[0] )) {
457 rc = bdb_id2entry( be, NULL, 0, 0, &e );
462 ber_dupbv( &e->e_name, (struct berval *)&slap_empty_bv );
463 ber_dupbv( &e->e_nname, (struct berval *)&slap_empty_bv );
465 e->e_ocflags = SLAP_OC_GLUE|SLAP_OC__END;
466 e->e_private = &bdb->bi_cache.c_dntree;
467 bdb->bi_cache.c_dntree.bei_e = e;
470 rc = bdb_monitor_db_open( be );
475 bdb->bi_flags |= BDB_IS_OPEN;
480 bdb_db_close( be, NULL );
485 bdb_db_close( BackendDB *be, ConfigReply *cr )
488 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
489 struct bdb_db_info *db;
490 bdb_idl_cache_entry_t *entry, *next_entry;
492 /* monitor handling */
493 (void)bdb_monitor_db_close( be );
496 Entry *e = bdb->bi_cache.c_dntree.bei_e;
498 bdb->bi_cache.c_dntree.bei_e = NULL;
500 bdb_entry_return( e );
504 bdb->bi_flags &= ~BDB_IS_OPEN;
506 ber_bvarray_free( bdb->bi_db_config );
507 bdb->bi_db_config = NULL;
509 while( bdb->bi_databases && bdb->bi_ndatabases-- ) {
510 db = bdb->bi_databases[bdb->bi_ndatabases];
511 rc = db->bdi_db->close( db->bdi_db, 0 );
512 /* Lower numbered names are not strdup'd */
513 if( bdb->bi_ndatabases >= BDB_NDB )
514 free( db->bdi_name );
517 free( bdb->bi_databases );
518 bdb->bi_databases = NULL;
520 bdb_cache_release_all (&bdb->bi_cache);
522 if ( bdb->bi_idl_cache_size ) {
523 avl_free( bdb->bi_idl_tree, NULL );
524 bdb->bi_idl_tree = NULL;
525 entry = bdb->bi_idl_lru_head;
527 next_entry = entry->idl_lru_next;
530 free( entry->kstr.bv_val );
533 } while ( entry != bdb->bi_idl_lru_head );
534 bdb->bi_idl_lru_head = bdb->bi_idl_lru_tail = NULL;
537 /* close db environment */
538 if( bdb->bi_dbenv ) {
539 /* Free cache locker if we enabled locking */
540 if ( !( slapMode & SLAP_TOOL_QUICK )) {
541 XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker);
542 bdb->bi_cache.c_locker = 0;
544 #ifdef BDB_REUSE_LOCKERS
545 bdb_locker_flush( bdb->bi_dbenv );
547 /* force a checkpoint, but not if we were ReadOnly,
548 * and not in Quick mode since there are no transactions there.
550 if ( !( slapMode & ( SLAP_TOOL_QUICK|SLAP_TOOL_READONLY ))) {
551 rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
553 Debug( LDAP_DEBUG_ANY,
554 "bdb_db_close: txn_checkpoint failed: %s (%d)\n",
555 db_strerror(rc), rc, 0 );
559 rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
560 bdb->bi_dbenv = NULL;
562 Debug( LDAP_DEBUG_ANY,
563 "bdb_db_close: close failed: %s (%d)\n",
564 db_strerror(rc), rc, 0 );
569 rc = alock_close( &bdb->bi_alock_info );
571 Debug( LDAP_DEBUG_ANY,
572 "bdb_db_close: alock_close failed\n", 0, 0, 0 );
580 bdb_db_destroy( BackendDB *be, ConfigReply *cr )
582 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
584 /* monitor handling */
585 (void)bdb_monitor_db_destroy( be );
587 if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
588 if( bdb->bi_db_config_path ) ch_free( bdb->bi_db_config_path );
590 bdb_attr_index_destroy( bdb );
592 ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
593 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_lru_mutex );
594 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_count_mutex );
595 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_eifree_mutex );
596 ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
598 ldap_pvt_thread_mutex_destroy( &bdb->bi_modrdns_mutex );
600 ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
601 ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
602 ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
603 ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
606 be->be_private = NULL;
617 static char *controls[] = {
619 LDAP_CONTROL_MANAGEDSAIT,
621 LDAP_CONTROL_PAGEDRESULTS,
622 LDAP_CONTROL_PRE_READ,
623 LDAP_CONTROL_POST_READ,
624 LDAP_CONTROL_SUBENTRIES,
625 LDAP_CONTROL_X_PERMISSIVE_MODIFY,
627 LDAP_CONTROL_X_TXN_SPEC,
632 /* initialize the underlying database system */
633 Debug( LDAP_DEBUG_TRACE,
634 LDAP_XSTRING(bdb_back_initialize) ": initialize "
635 BDB_UCTYPE " backend\n", 0, 0, 0 );
638 SLAP_BFLAG_INCREMENT |
639 SLAP_BFLAG_SUBENTRIES |
641 SLAP_BFLAG_REFERRALS;
643 bi->bi_controls = controls;
645 { /* version check */
646 int major, minor, patch, ver;
647 char *version = db_version( &major, &minor, &patch );
651 /* All our stdio does an ASCII to EBCDIC conversion on
652 * the output. Strings from the BDB library are already
653 * in EBCDIC; we have to go back and forth...
655 strcpy( v2, version );
660 ver = (major << 24) | (minor << 16) | patch;
661 if( ver != DB_VERSION_FULL ) {
662 /* fail if a versions don't match */
663 Debug( LDAP_DEBUG_ANY,
664 LDAP_XSTRING(bdb_back_initialize) ": "
665 "BDB library version mismatch:"
666 " expected " DB_VERSION_STRING ","
667 " got %s\n", version, 0, 0 );
671 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_back_initialize)
672 ": %s\n", version, 0, 0 );
675 db_env_set_func_free( ber_memfree );
676 db_env_set_func_malloc( (db_malloc *)ber_memalloc );
677 db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
679 /* This is a no-op on a NO_THREAD build. Leave the default
680 * alone so that BDB will sleep on interprocess conflicts.
682 db_env_set_func_yield( ldap_pvt_thread_yield );
690 bi->bi_db_init = bdb_db_init;
691 bi->bi_db_config = config_generic_wrapper;
692 bi->bi_db_open = bdb_db_open;
693 bi->bi_db_close = bdb_db_close;
694 bi->bi_db_destroy = bdb_db_destroy;
696 bi->bi_op_add = bdb_add;
697 bi->bi_op_bind = bdb_bind;
698 bi->bi_op_compare = bdb_compare;
699 bi->bi_op_delete = bdb_delete;
700 bi->bi_op_modify = bdb_modify;
701 bi->bi_op_modrdn = bdb_modrdn;
702 bi->bi_op_search = bdb_search;
704 bi->bi_op_unbind = 0;
706 bi->bi_extended = bdb_extended;
708 bi->bi_chk_referrals = bdb_referrals;
709 bi->bi_operational = bdb_operational;
710 bi->bi_has_subordinates = bdb_hasSubordinates;
711 bi->bi_entry_release_rw = bdb_entry_release;
712 bi->bi_entry_get_rw = bdb_entry_get;
715 * hooks for slap tools
717 bi->bi_tool_entry_open = bdb_tool_entry_open;
718 bi->bi_tool_entry_close = bdb_tool_entry_close;
719 bi->bi_tool_entry_first = bdb_tool_entry_next;
720 bi->bi_tool_entry_next = bdb_tool_entry_next;
721 bi->bi_tool_entry_get = bdb_tool_entry_get;
722 bi->bi_tool_entry_put = bdb_tool_entry_put;
723 bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
724 bi->bi_tool_sync = 0;
725 bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
726 bi->bi_tool_entry_modify = bdb_tool_entry_modify;
728 bi->bi_connection_init = 0;
729 bi->bi_connection_destroy = 0;
731 rc = bdb_back_init_cf( bi );
736 #if (SLAPD_BDB == SLAPD_MOD_DYNAMIC && !defined(BDB_HIER)) || \
737 (SLAPD_HDB == SLAPD_MOD_DYNAMIC && defined(BDB_HIER))
739 /* conditionally define the init_module() function */
741 SLAP_BACKEND_INIT_MODULE( hdb )
742 #else /* !BDB_HIER */
743 SLAP_BACKEND_INIT_MODULE( bdb )
744 #endif /* !BDB_HIER */
746 #endif /* SLAPD_[BH]DB == SLAPD_MOD_DYNAMIC */