- rc = txn_begin( bdb->bi_dbenv, tid, <id, 0 );
- if( rc != 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "=> bdb_next_id: txn_begin failed: %s (%d)\n",
- db_strerror(rc), rc, 0 );
- return rc;
- }
-
- /* get existing value for read/modify/write */
- rc = bdb->bi_nextid->bdi_db->get( bdb->bi_nextid->bdi_db,
- ltid, &key, &data, DB_RMW );
-
- switch(rc) {
- case DB_LOCK_DEADLOCK:
- case DB_LOCK_NOTGRANTED:
- goto retry;
-
- case DB_NOTFOUND:
- id = 0;
- break;
-
- case 0:
- if ( data.size != sizeof( id ) ) {
- Debug( LDAP_DEBUG_ANY,
- "=> bdb_next_id: get size mismatch: expected %ld, got %ld\n",
- (long) sizeof( id ), (long) data.size, 0 );
- rc = -1;
- goto done;
- }
- break;
-
- default:
- Debug( LDAP_DEBUG_ANY,
- "=> bdb_next_id: get failed: %s (%d)\n",
- db_strerror(rc), rc, 0 );
- goto done;
- }
-
- if( bdb->bi_lastid > id ) id = bdb->bi_lastid;
-
- id++;
- data.size = sizeof( id );
-
- /* put new value */
- rc = bdb->bi_nextid->bdi_db->put( bdb->bi_nextid->bdi_db,
- ltid, &key, &data, 0 );
-
- switch(rc) {
- case DB_LOCK_DEADLOCK:
- case DB_LOCK_NOTGRANTED:
- goto retry;
-
- case 0:
- *out = id;
-
- bdb->bi_lastid = id;
-
- rc = txn_commit( ltid, 0 );
-
- if( rc != 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "=> bdb_next_id: commit failed: %s (%d)\n",
- db_strerror(rc), rc, 0 );
- }
- break;
-
- default:
- Debug( LDAP_DEBUG_ANY,
- "=> bdb_next_id: put failed: %s (%d)\n",
- db_strerror(rc), rc, 0 );
-done: (void) txn_abort( ltid );
- }
-
- return rc;