openldap/servers/slapd/abandon.c
2002-01-03 08:03:22 +00:00

123 lines
3.1 KiB
C

/* abandon.c - decode and handle an ldap abandon operation */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* 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 <stdio.h>
#include <ac/socket.h>
#include "slap.h"
int
do_abandon(
Connection *conn,
Operation *op
)
{
ber_int_t id;
Operation *o;
int rc, notfound;
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY, "conn: %d do_abandon\n",
conn->c_connid));
#else
Debug( LDAP_DEBUG_TRACE, "do_abandon\n", 0, 0, 0 );
#endif
/*
* Parse the abandon request. It looks like this:
*
* AbandonRequest := MessageID
*/
if ( ber_scanf( op->o_ber, "i", &id ) == LBER_ERROR ) {
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"conn: %d do_abandon: ber_scanf failed\n",
conn->c_connid ));
#else
Debug( LDAP_DEBUG_ANY, "do_abandon: ber_scanf failed\n", 0, 0 ,0 );
#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
return -1;
}
if( (rc = get_ctrls( conn, op, 0 )) != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY, "do_abandon: get_ctrls failed\n", 0, 0 ,0 );
return rc;
}
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
"do_abandon: conn: %d id=%ld\n", conn->c_connid, (long) id ));
#else
Debug( LDAP_DEBUG_ARGS, "do_abandon: id=%ld\n", (long) id, 0 ,0 );
#endif
if( id <= 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"do_abandon: conn: %d bad msgid %ld\n", conn->c_connid, (long) id ));
#else
Debug( LDAP_DEBUG_ANY,
"do_abandon: bad msgid %ld\n", (long) id, 0, 0 );
#endif
return LDAP_SUCCESS;
}
ldap_pvt_thread_mutex_lock( &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, &conn->c_ops, o_next ) {
if ( o->o_msgid == id ) {
ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
o->o_abandon = 1;
ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
goto done;
}
}
LDAP_STAILQ_FOREACH( o, &conn->c_pending_ops, o_next ) {
if ( o->o_msgid == id ) {
LDAP_STAILQ_REMOVE( &conn->c_pending_ops, o, slap_op, o_next );
slap_op_free( o );
goto done;
}
}
done:
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
#ifdef NEW_LOGGING
LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
"do_abandon: conn: %d op=%ld %sfound\n",
conn->c_connid, (long)id, o ? "" : "not " ));
#else
Debug( LDAP_DEBUG_TRACE, "do_abandon: op=%ld %sfound\n",
(long) id, o ? "" : "not ", 0 );
#endif
return LDAP_SUCCESS;
}