/* abandon.c - decode and handle an ldap abandon operation */
/* $OpenLDAP: pkg/ldap/servers/slapd/abandon.c,v 1.45.2.8 2007/01/02 21:43:53 kurt Exp $ */
/* This work is part of OpenLDAP Software .
*
* 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
* .
*/
/* Portions Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include
#include
#include "slap.h"
int
do_abandon( Operation *op, SlapReply *rs )
{
ber_int_t id;
Operation *o;
Debug( LDAP_DEBUG_TRACE, "do_abandon\n", 0, 0, 0 );
/*
* Parse the abandon request. It looks like this:
*
* AbandonRequest := MessageID
*/
if ( ber_scanf( op->o_ber, "i", &id ) == LBER_ERROR ) {
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;
}
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_STAILQ_FOREACH( o, &op->o_conn->c_ops, o_next ) {
if ( o->o_msgid == id ) {
o->o_abandon = 1;
break;
}
}
if ( o ) {
op->orn_msgid = id;
op->o_bd = frontendDB;
rs->sr_err = frontendDB->be_abandon( op, rs );
} else {
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( &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;
}