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/* entry.c - ldbm backend entry_release routine */
/* $OpenLDAP: pkg/ldap/servers/slapd/back-ldbm/entry.c,v 1.21.2.4 2006/01/03 22:16:19 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "back-ldbm.h"
#include "proto-back-ldbm.h"
int
ldbm_back_entry_release_rw(
Operation *op,
Entry *e,
int rw
)
{
struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
if ( slapMode == SLAP_SERVER_MODE ) {
/* free entry and reader or writer lock */
cache_return_entry_rw( &li->li_cache, e, rw );
/* only do_add calls here with a write lock.
* get_entry doesn't obtain the giant lock, because its
* caller has already obtained it.
*/
if( rw ) {
ldap_pvt_thread_rdwr_wunlock( &li->li_giant_rwlock );
}
#if 0
else {
ldap_pvt_thread_rdwr_runlock( &li->li_giant_rwlock );
}
#endif
} else {
if ( e->e_private ) {
free( e->e_private );
e->e_private = NULL;
}
entry_free( e );
}
return 0;
}
/* return LDAP_SUCCESS IFF we can retrieve the specified entry.
*/
int ldbm_back_entry_get(
Operation *op,
struct berval *ndn,
ObjectClass *oc,
AttributeDescription *at,
int rw,
Entry **ent )
{
struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
Entry *e;
int rc;
const char *at_name = at ? at->ad_cname.bv_val : "(null)";
Debug( LDAP_DEBUG_ARGS,
"=> ldbm_back_entry_get: ndn: \"%s\"\n", ndn->bv_val, 0, 0 );
Debug( LDAP_DEBUG_ARGS,
"=> ldbm_back_entry_get: oc: \"%s\", at: \"%s\"\n",
oc ? oc->soc_cname.bv_val : "(null)", at_name, 0);
/* don't grab the giant lock - our caller has already gotten it. */
/* can we find entry */
e = dn2entry_rw( op->o_bd, ndn, NULL, rw );
if (e == NULL) {
Debug( LDAP_DEBUG_ACL,
"=> ldbm_back_entry_get: cannot find entry: \"%s\"\n",
ndn->bv_val, 0, 0 );
return LDAP_NO_SUCH_OBJECT;
}
Debug( LDAP_DEBUG_ACL,
"=> ldbm_back_entry_get: found entry: \"%s\"\n",
ndn->bv_val, 0, 0 );
#ifdef BDB_ALIASES
/* find attribute values */
if( is_entry_alias( e ) ) {
Debug( LDAP_DEBUG_ACL,
"<= ldbm_back_entry_get: entry is an alias\n", 0, 0, 0 );
rc = LDAP_ALIAS_PROBLEM;
goto return_results;
}
#endif
if( is_entry_referral( e ) ) {
Debug( LDAP_DEBUG_ACL,
"<= ldbm_back_entry_get: entry is a referral\n", 0, 0, 0 );
rc = LDAP_REFERRAL;
goto return_results;
}
if ( oc && !is_entry_objectclass( e, oc, 0 )) {
Debug( LDAP_DEBUG_ACL,
"<= ldbm_back_entry_get: failed to find objectClass %s\n",
oc->soc_cname.bv_val, 0, 0 );
rc = LDAP_NO_SUCH_ATTRIBUTE;
goto return_results;
}
rc = LDAP_SUCCESS;
return_results:
if( rc != LDAP_SUCCESS ) {
/* free entry */
cache_return_entry_rw(&li->li_cache, e, rw);
} else {
*ent = e;
}
Debug( LDAP_DEBUG_TRACE,
"ldbm_back_entry_get: rc=%d\n",
rc, 0, 0 );
return(rc);
}
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