X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-ldbm%2Finit.c;h=953df87be9dea361b013f1e53916112c602252fc;hb=324431062bff39a1bd3969bd37d4913526dd583f;hp=ff836b9cb951262796887a852fdb3a106fd8f09f;hpb=e36bde9180fef61727da449f283438145398df50;p=openldap

diff --git a/servers/slapd/back-ldbm/init.c b/servers/slapd/back-ldbm/init.c
index ff836b9cb9..953df87be9 100644
--- a/servers/slapd/back-ldbm/init.c
+++ b/servers/slapd/back-ldbm/init.c
@@ -1,8 +1,17 @@
 /* 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"
@@ -14,21 +23,7 @@
 
 #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(
@@ -37,11 +32,18 @@ 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;
@@ -54,22 +56,22 @@ ldbm_back_initialize(
 	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
@@ -83,6 +85,10 @@ ldbm_back_initialize(
 	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;
 
@@ -145,10 +151,10 @@ ldbm_back_db_init(
 	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;
@@ -165,14 +171,12 @@ ldbm_back_db_init(
 	/* 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 );
 
@@ -187,22 +191,41 @@ ldbm_back_db_open(
 )
 {
 	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;
@@ -222,10 +245,8 @@ ldbm_back_db_destroy(
 	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 );
 
@@ -234,3 +255,12 @@ ldbm_back_db_destroy(
 
 	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 */
+
+