openldap/servers/slapd/back-monitor/search.c

209 lines
4.7 KiB
C
Raw Normal View History

/* search.c - monitor backend search function */
/*
2003-01-04 04:20:47 +08:00
* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
*
* This work has beed deveolped for the OpenLDAP Foundation
* in the hope that it may be useful to the Open Source community,
* but WITHOUT ANY WARRANTY.
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author and SysNet s.n.c. are not responsible for the consequences
* of use of this software, no matter how awful, even if they arise from
* flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
* SysNet s.n.c. cannot be responsible for the consequences of the
* alterations.
*
* 4. This notice may not be removed or altered.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-monitor.h"
#include "proto-back-monitor.h"
static int
monitor_send_children(
2003-04-01 03:45:52 +08:00
/*
Backend *be,
Connection *conn,
Operation *op,
Filter *filter,
AttributeName *attrs,
int attrsonly,
2003-04-01 03:45:52 +08:00
*/
Operation *op,
SlapReply *rs,
Entry *e_parent,
int sub
)
{
2003-04-01 03:45:52 +08:00
struct monitorinfo *mi =
(struct monitorinfo *) op->o_bd->be_private;
Entry *e, *e_tmp, *e_ch;
struct monitorentrypriv *mp;
int rc;
mp = ( struct monitorentrypriv * )e_parent->e_private;
e = mp->mp_children;
e_ch = NULL;
if ( MONITOR_HAS_VOLATILE_CH( mp ) ) {
monitor_entry_create( mi, NULL, e_parent, &e_ch );
}
monitor_cache_release( mi, e_parent );
/* no volatile entries? */
if ( e_ch == NULL ) {
/* no persistent entries? return */
if ( e == NULL ) {
return( 0 );
}
/* volatile entries */
} else {
/* if no persistent, return only volatile */
if ( e == NULL ) {
e = e_ch;
monitor_cache_lock( e_ch );
/* else append persistent to volatile */
} else {
e_tmp = e_ch;
do {
mp = ( struct monitorentrypriv * )e_tmp->e_private;
e_tmp = mp->mp_next;
if ( e_tmp == NULL ) {
mp->mp_next = e;
break;
}
} while ( e_tmp );
e = e_ch;
}
}
/* return entries */
for ( ; e != NULL; ) {
mp = ( struct monitorentrypriv * )e->e_private;
monitor_entry_update( mi, e );
2003-04-01 03:45:52 +08:00
rc = test_filter( op, e, op->oq_search.rs_filter );
if ( rc == LDAP_COMPARE_TRUE ) {
2003-04-01 03:45:52 +08:00
rs->sr_entry = e;
send_search_entry( op, rs );
}
if ( ( mp->mp_children || MONITOR_HAS_VOLATILE_CH( mp ) )
&& sub ) {
rc = monitor_send_children( op, rs, e, sub );
if ( rc ) {
return( rc );
}
}
e_tmp = mp->mp_next;
if ( e_tmp != NULL ) {
monitor_cache_lock( e_tmp );
}
monitor_cache_release( mi, e );
e = e_tmp;
}
return( 0 );
}
int
2003-04-01 03:21:19 +08:00
monitor_back_search( Operation *op, SlapReply *rs )
{
2003-04-01 03:21:19 +08:00
struct monitorinfo *mi
= (struct monitorinfo *) op->o_bd->be_private;
2002-10-23 22:11:02 +08:00
int rc = LDAP_SUCCESS;
Entry *e, *matched = NULL;
#ifdef NEW_LOGGING
LDAP_LOG( BACK_MON, ENTRY,
"monitor_back_search: enter\n", 0, 0, 0 );
#else
Debug(LDAP_DEBUG_TRACE, "=> monitor_back_search\n%s%s%s", "", "", "");
#endif
/* get entry with reader lock */
2003-04-01 03:21:19 +08:00
monitor_cache_dn2entry( mi, &op->o_req_ndn, &e, &matched );
if ( e == NULL ) {
2003-04-01 03:21:19 +08:00
rs->sr_err = LDAP_NO_SUCH_OBJECT;
if ( matched ) {
2003-04-01 03:21:19 +08:00
rs->sr_matched = ch_strdup( matched->e_dn );
monitor_cache_release( mi, matched );
}
2003-04-01 03:21:19 +08:00
send_ldap_result( op, rs );
rs->sr_matched = NULL;
return( 0 );
}
2003-04-01 03:45:52 +08:00
switch ( op->oq_search.rs_scope ) {
case LDAP_SCOPE_BASE:
monitor_entry_update( mi, e );
2003-04-01 03:45:52 +08:00
rc = test_filter( op, e, op->oq_search.rs_filter );
if ( rc == LDAP_COMPARE_TRUE ) {
rs->sr_entry = e;
send_search_entry( op, rs );
}
2002-09-16 06:42:07 +08:00
rc = LDAP_SUCCESS;
monitor_cache_release( mi, e );
break;
case LDAP_SCOPE_ONELEVEL:
rc = monitor_send_children( op, rs, e, 0 );
if ( rc ) {
2002-09-12 01:15:55 +08:00
rc = LDAP_OTHER;
2003-04-01 03:45:52 +08:00
}
break;
case LDAP_SCOPE_SUBTREE:
monitor_entry_update( mi, e );
2003-04-01 03:45:52 +08:00
rc = test_filter( op, e, op->oq_search.rs_filter );
if ( rc == LDAP_COMPARE_TRUE ) {
2003-04-01 03:45:52 +08:00
send_search_entry( op, rs );
}
rc = monitor_send_children( op, rs, e, 1 );
if ( rc ) {
2002-09-12 01:15:55 +08:00
rc = LDAP_OTHER;
}
break;
}
2003-04-01 03:45:52 +08:00
rs->sr_err = rc;
send_ldap_result( op, rs );
2002-09-12 01:15:55 +08:00
return( rc == LDAP_SUCCESS ? 0 : 1 );
}
2003-04-01 03:45:52 +08:00