openldap/servers/slapd/abandon.c

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/* abandon.c - decode and handle an ldap abandon operation */
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
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/*
* 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.
*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include "slap.h"
int
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do_abandon(
Connection *conn,
Operation *op
)
{
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ber_int_t id;
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Operation *o;
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int rc;
#ifdef LDAP_CLIENT_UPDATE
int i;
#endif
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#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY, "conn: %d do_abandon\n", conn->c_connid, 0, 0);
#else
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Debug( LDAP_DEBUG_TRACE, "do_abandon\n", 0, 0, 0 );
#endif
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/*
* 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, ERR,
"conn: %d do_abandon: ber_scanf failed\n", conn->c_connid, 0, 0 );
#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;
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}
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, ARGS, "do_abandon: conn: %d id=%ld\n",
conn->c_connid, (long) id, 0 );
#else
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Debug( LDAP_DEBUG_ARGS, "do_abandon: id=%ld\n", (long) id, 0 ,0 );
#endif
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if( id <= 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_abandon: conn: %d bad msgid %ld\n",
conn->c_connid, (long) id, 0 );
#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 );
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/*
* 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 ) {
o->o_abandon = 1;
goto done;
}
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}
LDAP_STAILQ_FOREACH( o, &conn->c_pending_ops, o_next ) {
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if ( o->o_msgid == id ) {
LDAP_STAILQ_REMOVE( &conn->c_pending_ops, o, slap_op, o_next );
slap_op_free( o );
goto done;
}
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}
done:
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#if LDAP_CLIENT_UPDATE
for ( i = 0; i < nbackends; i++ ) {
if ( strncmp( backends[i].be_type, "bdb", 3 ) ) continue;
if ( bdb_abandon( &backends[i], conn, id ) == LDAP_SUCCESS ) {
break;
}
}
#endif
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY,
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"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",
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(long) id, o ? "" : "not ", 0 );
#endif
return LDAP_SUCCESS;
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}