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