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107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
/* abandon.c - decode and handle an ldap abandon operation */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/*
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* Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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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"
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int
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do_abandon(
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Connection *conn,
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Operation *op
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)
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{
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ber_int_t id;
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Operation *o;
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Operation **oo;
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int rc, notfound;
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Debug( LDAP_DEBUG_TRACE, "do_abandon\n", 0, 0, 0 );
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/*
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* Parse the abandon request. It looks like this:
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*
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* AbandonRequest := MessageID
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*/
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if ( ber_scanf( op->o_ber, "i", &id ) == LBER_ERROR ) {
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Debug( LDAP_DEBUG_ANY, "do_abandon: ber_scanf failed\n", 0, 0 ,0 );
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "decoding error" );
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return -1;
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}
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if( (rc = get_ctrls( conn, op, 0 )) != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY, "do_abandon: get_ctrls failed\n", 0, 0 ,0 );
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return rc;
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}
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Debug( LDAP_DEBUG_ARGS, "do_abandon: id=%ld\n", (long) id, 0 ,0 );
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if( id <= 0 ) {
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Debug( LDAP_DEBUG_ANY,
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"do_abandon: bad msgid %ld\n", (long) id, 0, 0 );
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return LDAP_SUCCESS;
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}
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notfound = 1; /* not found */
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ldap_pvt_thread_mutex_lock( &conn->c_mutex );
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/*
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* find the operation being abandoned and set the o_abandon
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* flag. It's up to the backend to periodically check this
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* flag and abort the operation at a convenient time.
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*/
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for ( o = conn->c_ops; o != NULL; o = o->o_next ) {
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if ( o->o_msgid == id ) {
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ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
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o->o_abandon = 1;
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ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
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notfound = 0;
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goto done;
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}
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}
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for ( oo = &conn->c_pending_ops;
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(*oo != NULL) && ((*oo)->o_msgid != id);
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oo = &(*oo)->o_next )
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{
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/* EMPTY */ ;
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}
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if( *oo != NULL ) {
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o = *oo;
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*oo = (*oo)->o_next;
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slap_op_free( o );
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notfound = 0;
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}
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done:
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ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
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Debug( LDAP_DEBUG_TRACE, "do_abandon: op=%ld %sfound\n",
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(long) id, notfound ? "not " : "", 0 );
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return LDAP_SUCCESS;
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}
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