further clarify size limit related issues in sync replication (ITS#5243)

[openldap] / servers / slapd / abandon.c

diff --git a/servers/slapd/abandon.c b/servers/slapd/abandon.c
index ea29321b3f15ab316a5ef7178227967008fbd878..bd09f3e81106a69531068121c479269dbac3c209 100644 (file)
--- a/servers/slapd/abandon.c
+++ b/servers/slapd/abandon.c
@@ -1,7 +1,19 @@
 /* abandon.c - decode and handle an ldap abandon operation */
-
-/*
- * Copyright (c) 1995 Regents of the University of Michigan.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 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>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted
@@ -19,13 +31,10 @@
 
 #include "slap.h"
 
-void
-do_abandon(
-    Connection *conn,
-    Operation  *op
-)
+int
+do_abandon( Operation *op, SlapReply *rs )
 {
-       int             id;
+       ber_int_t       id;
        Operation       *o;
 
        Debug( LDAP_DEBUG_TRACE, "do_abandon\n", 0, 0, 0 );
@@ -37,31 +46,75 @@ do_abandon(
         */
 
        if ( ber_scanf( op->o_ber, "i", &id ) == LBER_ERROR ) {
-               Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0 ,0 );
-               return;
+               Debug( LDAP_DEBUG_ANY, "do_abandon: ber_scanf failed\n", 0, 0 ,0 );
+               send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+               return SLAPD_DISCONNECT;
        }
 
-       Debug( LDAP_DEBUG_ARGS, "do_abandon: id %d\n", id, 0 ,0 );
+       Statslog( LDAP_DEBUG_STATS, "%s ABANDON msg=%ld\n",
+               op->o_log_prefix, (long) id, 0, 0, 0 );
+
+       if( get_ctrls( op, rs, 0 ) != LDAP_SUCCESS ) {
+               Debug( LDAP_DEBUG_ANY, "do_abandon: get_ctrls failed\n", 0, 0 ,0 );
+               return rs->sr_err;
+       } 
+
+       Debug( LDAP_DEBUG_ARGS, "do_abandon: id=%ld\n", (long) id, 0 ,0 );
+
+       if( id <= 0 ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "do_abandon: bad msgid %ld\n", (long) id, 0, 0 );
+               return LDAP_SUCCESS;
+       }
 
+       ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
        /*
         * find the operation being abandoned and set the o_abandon
         * flag.  It's up to the backend to periodically check this
         * flag and abort the operation at a convenient time.
         */
 
-       ldap_pvt_thread_mutex_lock( &conn->c_opsmutex );
-       for ( o = conn->c_ops; o != NULL; o = o->o_next ) {
-               if ( o->o_msgid == id )
+       LDAP_STAILQ_FOREACH( o, &op->o_conn->c_ops, o_next ) {
+               if ( o->o_msgid == id ) {
+                       o->o_abandon = 1;
                        break;
+               }
        }
 
-       if ( o != NULL ) {
-               ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
-               o->o_abandon = 1;
-               ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
+       if ( o ) {
+               op->orn_msgid = id;
+
+               op->o_bd = frontendDB;
+               rs->sr_err = frontendDB->be_abandon( op, rs );
+
        } else {
-               Debug( LDAP_DEBUG_TRACE, "do_abandon: op not found\n", 0, 0,
-                   0 );
+               LDAP_STAILQ_FOREACH( o, &op->o_conn->c_pending_ops, o_next ) {
+                       if ( o->o_msgid == id ) {
+                               LDAP_STAILQ_REMOVE( &op->o_conn->c_pending_ops,
+                                       o, slap_op, o_next );
+                               LDAP_STAILQ_NEXT(o, o_next) = NULL;
+                               op->o_conn->c_n_ops_pending--;
+                               slap_op_free( o );
+                               break;
+                       }
+               }
        }
-       ldap_pvt_thread_mutex_unlock( &conn->c_opsmutex );
+
+       ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+
+       Debug( LDAP_DEBUG_TRACE, "do_abandon: op=%ld %sfound\n",
+               (long) id, o ? "" : "not ", 0 );
+       return rs->sr_err;
+}
+
+int
+fe_op_abandon( Operation *op, SlapReply *rs )
+{
+       LDAP_STAILQ_FOREACH( op->o_bd, &backendDB, be_next ) {
+               if ( op->o_bd->be_abandon ) {
+                       (void)op->o_bd->be_abandon( op, rs );
+               }
+       }
+
+       return LDAP_SUCCESS;
 }