/* 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.
#include "slap.h"
-extern Backend *select_backend();
-
-extern char *default_referral;
-
-void
+int
do_abandon(
Connection *conn,
Operation *op
)
{
- int id;
- Backend *be;
+ ber_int_t id;
Operation *o;
+ Operation **oo;
+ int rc, notfound;
Debug( LDAP_DEBUG_TRACE, "do_abandon\n", 0, 0, 0 );
*/
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_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "decoding error" );
+ return -1;
}
- Debug( LDAP_DEBUG_ARGS, "do_abandon: id %d\n", id, 0 ,0 );
+ if( (rc = get_ctrls( conn, op, 0 )) != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "do_abandon: get_ctrls failed\n", 0, 0 ,0 );
+ return rc;
+ }
+
+ 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;
+ }
+ notfound = 1; /* not found */
+ 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.
*/
- pthread_mutex_lock( &conn->c_opsmutex );
for ( o = conn->c_ops; o != NULL; o = o->o_next ) {
- if ( o->o_msgid == id )
- break;
+ 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 );
+
+ notfound = 0;
+ goto done;
+ }
+ }
+
+ for ( oo = &conn->c_pending_ops;
+ (*oo != NULL) && ((*oo)->o_msgid != id);
+ oo = &(*oo)->o_next )
+ {
+ /* EMPTY */ ;
}
- if ( o != NULL ) {
- pthread_mutex_lock( &o->o_abandonmutex );
- o->o_abandon = 1;
- pthread_mutex_unlock( &o->o_abandonmutex );
- } else {
- Debug( LDAP_DEBUG_TRACE, "do_abandon: op not found\n", 0, 0,
- 0 );
+ if( *oo != NULL ) {
+ o = *oo;
+ *oo = (*oo)->o_next;
+ slap_op_free( o );
+ notfound = 0;
}
- pthread_mutex_unlock( &conn->c_opsmutex );
+
+done:
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+
+ Debug( LDAP_DEBUG_TRACE, "do_abandon: op=%ld %sfound\n",
+ (long) id, notfound ? "not " : "", 0 );
+
+ return LDAP_SUCCESS;
}