Cleanup prev commit

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

diff --git a/servers/slapd/back-bdb/delete.c b/servers/slapd/back-bdb/delete.c
index a8d144b6312dd27544e9b22800fcab57249984ee..37b7a13cc9e091e603532ae55981ab0e07e46833 100644 (file)
--- a/servers/slapd/back-bdb/delete.c
+++ b/servers/slapd/back-bdb/delete.c
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2000-2006 The OpenLDAP Foundation.
+ * Copyright 2000-2007 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,13 +52,55 @@ bdb_delete( Operation *op, SlapReply *rs )
        int     parent_is_glue = 0;
        int parent_is_leaf = 0;
 
-       ctrls[num_ctrls] = 0;
+#ifdef LDAP_X_TXN
+       int settle = 0;
+#endif
 
        Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_delete) ": %s\n",
                op->o_req_dn.bv_val, 0, 0 );
 
+#ifdef LDAP_X_TXN
+       if( op->o_txnSpec ) {
+               /* acquire connection lock */
+               ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+               if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
+                       rs->sr_text = "invalid transaction identifier";
+                       rs->sr_err = LDAP_X_TXN_ID_INVALID;
+                       goto txnReturn;
+               } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
+                       settle=1;
+                       goto txnReturn;
+               }
+
+               if( op->o_conn->c_txn_backend == NULL ) {
+                       op->o_conn->c_txn_backend = op->o_bd;
+
+               } else if( op->o_conn->c_txn_backend != op->o_bd ) {
+                       rs->sr_text = "transaction cannot span multiple database contexts";
+                       rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
+                       goto txnReturn;
+               }
+
+               /* insert operation into transaction */
+
+               rs->sr_text = "transaction specified";
+               rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
+
+txnReturn:
+               /* release connection lock */
+               ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+
+               if( !settle ) {
+                       send_ldap_result( op, rs );
+                       return rs->sr_err;
+               }
+       }
+#endif
+
+       ctrls[num_ctrls] = 0;
+
        /* allocate CSN */
-       if ( !SLAP_SHADOW( op->o_bd )) {
+       if ( BER_BVISEMPTY( &op->o_csn )) {
                struct berval csn;
                char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
 
@@ -95,7 +137,6 @@ retry:       /* transaction retry */
                }
                parent_is_glue = 0;
                parent_is_leaf = 0;
-               ldap_pvt_thread_yield();
                bdb_trans_backoff( ++num_retries );
        }
 
@@ -310,7 +351,11 @@ retry:     /* transaction retry */
                        Debug( LDAP_DEBUG_TRACE,
                                "<=- " LDAP_XSTRING(bdb_delete) ": pre-read "
                                "failed!\n", 0, 0, 0 );
-                       goto return_results;
+                       if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
+                               /* FIXME: is it correct to abort
+                                * operation if control fails? */
+                               goto return_results;
+                       }
                }
        }
 
@@ -472,8 +517,7 @@ retry:      /* transaction retry */
                        goto return_results;
                }
        } else {
-               rc = bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
-                       locker, &lock );
+               rc = bdb_cache_delete( bdb, e, locker, &lock );
                switch( rc ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
@@ -528,16 +572,14 @@ return_results:
        op->o_private = NULL;
 
        send_ldap_result( op, rs );
-       if ( !SLAP_SHADOW( op->o_bd ))
-               slap_graduate_commit_csn( op );
+       slap_graduate_commit_csn( op );
 
-       if( preread_ctrl != NULL ) {
+       if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
                slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
                slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
        }
 
-       if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
-               ldap_pvt_thread_yield();
+       if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) {
                TXN_CHECKPOINT( bdb->bi_dbenv,
                        bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
        }