/* init.c - initialize ldbm backend */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2006 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include "slap.h"
#include "back-ldbm.h"
-
-#ifdef SLAPD_LDBM_DYNAMIC
-
-int back_ldbm_LTX_init_module(int argc, char *argv[]) {
- BackendInfo bi;
-
- memset( &bi, '\0', sizeof(bi) );
- bi.bi_type = "ldbm";
- bi.bi_init = ldbm_back_initialize;
-
- backend_add(&bi);
- return 0;
-}
-
-#endif /* SLAPD_LDBM_DYNAMIC */
+#include <ldap_rq.h>
int
ldbm_back_initialize(
{
static char *controls[] = {
LDAP_CONTROL_MANAGEDSAIT,
+ LDAP_CONTROL_X_PERMISSIVE_MODIFY,
NULL
};
bi->bi_controls = controls;
+ bi->bi_flags |=
+ SLAP_BFLAG_INCREMENT |
+ SLAP_BFLAG_SUBENTRIES |
+ SLAP_BFLAG_ALIASES |
+ SLAP_BFLAG_REFERRALS;
+
bi->bi_open = ldbm_back_open;
bi->bi_config = NULL;
bi->bi_close = ldbm_back_close;
bi->bi_db_destroy = ldbm_back_db_destroy;
bi->bi_op_bind = ldbm_back_bind;
- bi->bi_op_unbind = ldbm_back_unbind;
+ bi->bi_op_unbind = 0;
bi->bi_op_search = ldbm_back_search;
bi->bi_op_compare = ldbm_back_compare;
bi->bi_op_modify = ldbm_back_modify;
bi->bi_op_modrdn = ldbm_back_modrdn;
bi->bi_op_add = ldbm_back_add;
bi->bi_op_delete = ldbm_back_delete;
- bi->bi_op_abandon = ldbm_back_abandon;
+ bi->bi_op_abandon = 0;
bi->bi_extended = ldbm_back_extended;
bi->bi_entry_release_rw = ldbm_back_entry_release_rw;
- bi->bi_acl_group = ldbm_back_group;
- bi->bi_acl_attribute = ldbm_back_attribute;
+ bi->bi_entry_get_rw = ldbm_back_entry_get;
bi->bi_chk_referrals = ldbm_back_referrals;
+ bi->bi_operational = ldbm_back_operational;
+ bi->bi_has_subordinates = ldbm_back_hasSubordinates;
/*
* hooks for slap tools
bi->bi_tool_entry_reindex = ldbm_tool_entry_reindex;
bi->bi_tool_sync = ldbm_tool_sync;
+ bi->bi_tool_dn2id_get = 0;
+ bi->bi_tool_id2entry_get = 0;
+ bi->bi_tool_entry_modify = 0;
+
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
{
int rc;
- struct ldbm_backend_info *lbi
- = (struct ldbm_backend_info *) bi->bi_private;
-
/* initialize the underlying database system */
rc = ldbm_initialize( NULL );
return rc;
li->li_dbwritesync = 1;
/* default file creation mode */
- li->li_mode = DEFAULT_MODE;
+ li->li_mode = SLAPD_DEFAULT_DB_MODE;
/* default database directory */
- li->li_directory = ch_strdup( DEFAULT_DB_DIRECTORY );
+ li->li_directory = ch_strdup( SLAPD_DEFAULT_DB_DIR );
/* DB_ENV environment pointer for DB3 */
li->li_dbenv = 0;
/* delay interval */
li->li_dbsyncwaitinterval = 5;
- /* flag to notify ldbm_cache_sync_daemon to shut down */
- li->li_dbshutdown = 0;
+ /* current wait counter */
+ li->li_dbsyncwaitcount = 0;
/* initialize various mutex locks & condition variables */
- ldap_pvt_thread_mutex_init( &li->li_root_mutex );
- ldap_pvt_thread_mutex_init( &li->li_add_mutex );
+ ldap_pvt_thread_rdwr_init( &li->li_giant_rwlock );
ldap_pvt_thread_mutex_init( &li->li_cache.c_mutex );
- ldap_pvt_thread_mutex_init( &li->li_nextid_mutex );
ldap_pvt_thread_mutex_init( &li->li_dbcache_mutex );
ldap_pvt_thread_cond_init( &li->li_dbcache_cv );
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
+ int rc;
+
+ rc = alock_open( &li->li_alock_info, "slapd",
+ li->li_directory, ALOCK_UNIQUE );
+ if ( rc == ALOCK_BUSY ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldbm_back_db_open: database already in use\n",
+ 0, 0, 0 );
+ return -1;
+ } else if ( rc == ALOCK_RECOVER ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldbm_back_db_open: unclean shutdown detected;"
+ " database may be inconsistent!\n",
+ 0, 0, 0 );
+ rc = alock_recover( &li->li_alock_info );
+ }
+ if ( rc != ALOCK_CLEAN ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldbm_back_db_open: alock package is unstable;"
+ " database may be inconsistent!\n",
+ 0, 0, 0 );
+ }
li->li_dbenv = ldbm_initialize_env( li->li_directory,
li->li_dbcachesize, &li->li_envdirok );
- /* sync thread */
- if ( li->li_dbsyncfreq > 0 )
+ /* If we're in server mode and a sync frequency was set,
+ * submit a task to perform periodic db syncs.
+ */
+ if (( slapMode & SLAP_SERVER_MODE ) && li->li_dbsyncfreq > 0 )
{
- int rc;
- rc = ldap_pvt_thread_create( &li->li_dbsynctid,
- 0, ldbm_cache_sync_daemon, (void*)be );
-
- if ( rc != 0 )
- {
- Debug( LDAP_DEBUG_ANY,
- "sync ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
- return 1;
- }
+ ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
+ ldap_pvt_runqueue_insert( &slapd_rq, li->li_dbsyncfreq,
+ ldbm_cache_sync_daemon, be,
+ "ldbm_cache_sync", be->be_suffix[0].bv_val );
+ ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
}
return 0;
free( li->li_directory );
attr_index_destroy( li->li_attrs );
- ldap_pvt_thread_mutex_destroy( &li->li_root_mutex );
- ldap_pvt_thread_mutex_destroy( &li->li_add_mutex );
+ ldap_pvt_thread_rdwr_destroy( &li->li_giant_rwlock );
ldap_pvt_thread_mutex_destroy( &li->li_cache.c_mutex );
- ldap_pvt_thread_mutex_destroy( &li->li_nextid_mutex );
ldap_pvt_thread_mutex_destroy( &li->li_dbcache_mutex );
ldap_pvt_thread_cond_destroy( &li->li_dbcache_cv );
return 0;
}
+
+#if SLAPD_LDBM == SLAPD_MOD_DYNAMIC
+
+/* conditionally define the init_module() function */
+SLAP_BACKEND_INIT_MODULE( ldbm )
+
+#endif /* SLAPD_LDBM == SLAPD_MOD_DYNAMIC */
+
+
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