Sync with HEAD for OL 2.4.5

[openldap] / servers / slapd / back-bdb / dbcache.c

diff --git a/servers/slapd/back-bdb/dbcache.c b/servers/slapd/back-bdb/dbcache.c
index 7d8d082590125beaf3a8a950444c8fc03a7820d0..35529c79231b31e5d29c047cae8f103a2b0624cb 100644 (file)
--- a/servers/slapd/back-bdb/dbcache.c
+++ b/servers/slapd/back-bdb/dbcache.c
@@ -1,8 +1,17 @@
 /* dbcache.c - manage cache of open databases */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2007 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"
@@ -19,6 +28,7 @@
 #include "back-bdb.h"
 #include "lutil_hash.h"
 
+#ifdef BDB_INDEX_USE_HASH
 /* Pass-thru hash function. Since the indexer is already giving us hash
  * values as keys, we don't need BDB to re-hash them.
  */
@@ -42,6 +52,10 @@ bdb_db_hash(
        }
        return ret;
 }
+#define        BDB_INDEXTYPE   DB_HASH
+#else
+#define        BDB_INDEXTYPE   DB_BTREE
+#endif
 
 int
 bdb_db_cache(
@@ -49,7 +63,7 @@ bdb_db_cache(
        const char *name,
        DB **dbout )
 {
-       int i;
+       int i, flags;
        int rc;
        struct bdb_info *bdb = (struct bdb_info *) be->be_private;
        struct bdb_db_info *db;
@@ -57,7 +71,7 @@ bdb_db_cache(
 
        *dbout = NULL;
 
-       for( i=BDB_NDB; bdb->bi_databases[i]; i++ ) {
+       for( i=BDB_NDB; i < bdb->bi_ndatabases; i++ ) {
                if( !strcmp( bdb->bi_databases[i]->bdi_name, name) ) {
                        *dbout = bdb->bi_databases[i]->bdi_db;
                        return 0;
@@ -67,7 +81,7 @@ bdb_db_cache(
        ldap_pvt_thread_mutex_lock( &bdb->bi_database_mutex );
 
        /* check again! may have been added by another thread */
-       for( i=BDB_NDB; bdb->bi_databases[i]; i++ ) {
+       for( i=BDB_NDB; i < bdb->bi_ndatabases; i++ ) {
                if( !strcmp( bdb->bi_databases[i]->bdi_name, name) ) {
                        *dbout = bdb->bi_databases[i]->bdi_db;
                        ldap_pvt_thread_mutex_unlock( &bdb->bi_database_mutex );
@@ -86,52 +100,49 @@ bdb_db_cache(
 
        rc = db_create( &db->bdi_db, bdb->bi_dbenv, 0 );
        if( rc != 0 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG ( CACHE, ERR, 
-                       "bdb_db_cache: db_create(%s) failed: %s (%d)\n", 
-                       bdb->bi_dbenv_home, db_strerror(rc), rc );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "bdb_db_cache: db_create(%s) failed: %s (%d)\n",
                        bdb->bi_dbenv_home, db_strerror(rc), rc );
-#endif
                ldap_pvt_thread_mutex_unlock( &bdb->bi_database_mutex );
                return rc;
        }
 
        rc = db->bdi_db->set_pagesize( db->bdi_db, BDB_PAGESIZE );
+#ifdef BDB_INDEX_USE_HASH
        rc = db->bdi_db->set_h_hash( db->bdi_db, bdb_db_hash );
+#endif
        rc = db->bdi_db->set_flags( db->bdi_db, DB_DUP | DB_DUPSORT );
-       rc = db->bdi_db->set_dup_compare( db->bdi_db, bdb_bt_compare );
 
        file = ch_malloc( strlen( name ) + sizeof(BDB_SUFFIX) );
-       sprintf( file, "%s" BDB_SUFFIX, name );
+       sprintf( file, "%s%s", name, BDB_SUFFIX );
 
 #ifdef HAVE_EBCDIC
        __atoe( file );
 #endif
+       flags = DB_CREATE | DB_THREAD;
+#ifdef DB_AUTO_COMMIT
+       if ( !( slapMode & SLAP_TOOL_QUICK ))
+               flags |= DB_AUTO_COMMIT;
+#endif
+       /* Cannot Truncate when Transactions are in use */
+       if ( (slapMode & (SLAP_TOOL_QUICK|SLAP_TRUNCATE_MODE)) ==
+               (SLAP_TOOL_QUICK|SLAP_TRUNCATE_MODE))
+                       flags |= DB_TRUNCATE;
+
        rc = DB_OPEN( db->bdi_db,
-               file, name,
-               DB_HASH, bdb->bi_db_opflags | DB_CREATE | DB_THREAD,
-               bdb->bi_dbenv_mode );
+               file, NULL /* name */,
+               BDB_INDEXTYPE, bdb->bi_db_opflags | flags, bdb->bi_dbenv_mode );
 
        ch_free( file );
 
        if( rc != 0 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG ( CACHE, ERR, 
-                       "bdb_db_cache: db_open(%s) failed: %s (%d)\n", 
-                       name, db_strerror(rc), rc );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "bdb_db_cache: db_open(%s) failed: %s (%d)\n",
                        name, db_strerror(rc), rc );
-#endif
                ldap_pvt_thread_mutex_unlock( &bdb->bi_database_mutex );
                return rc;
        }
 
-       bdb->bi_databases[i+1] = NULL;
        bdb->bi_databases[i] = db;
        bdb->bi_ndatabases = i+1;