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132 lines
2.9 KiB
C
132 lines
2.9 KiB
C
/* OpenLDAP WiredTiger backend */
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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 2002-2017 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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/* ACKNOWLEDGEMENTS:
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* This work was developed by HAMANO Tsukasa <hamano@osstech.co.jp>
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* based on back-bdb for inclusion in OpenLDAP Software.
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* WiredTiger is a product of MongoDB Inc.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include "back-wt.h"
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#include "config.h"
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/*
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* dn2entry - look up dn in the db and return the corresponding entry.
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* No longer return closest ancestor, see wt_dn2pentry().
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*/
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int wt_dn2entry( BackendDB *be,
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wt_ctx *wc,
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struct berval *ndn,
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Entry **ep ){
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uint64_t id;
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WT_CURSOR *cursor = NULL;
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WT_ITEM item;
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EntryHeader eh;
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int rc;
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int eoff;
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Entry *e = NULL;
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WT_SESSION *session = wc->session;
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if( ndn->bv_len == 0 ){
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/* parent of root dn */
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return WT_NOTFOUND;
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}
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rc = session->open_cursor(session,
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WT_INDEX_DN"(id, entry)",
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NULL, NULL, &cursor);
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if ( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_dn2entry)
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": open_cursor failed: %s (%d)\n",
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wiredtiger_strerror(rc), rc, 0 );
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goto done;
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}
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cursor->set_key(cursor, ndn->bv_val);
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rc = cursor->search(cursor);
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switch( rc ){
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case 0:
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break;
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case WT_NOTFOUND:
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goto done;
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default:
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_dn2entry)
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": search failed: %s (%d)\n",
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wiredtiger_strerror(rc), rc, 0 );
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goto done;
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}
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cursor->get_value(cursor, &id, &item);
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rc = wt_entry_header( &item, &eh );
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eoff = eh.data - (char *)item.data;
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eh.bv.bv_len = eh.nvals * sizeof( struct berval ) + item.size;
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eh.bv.bv_val = ch_malloc( eh.bv.bv_len );
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memset(eh.bv.bv_val, 0xff, eh.bv.bv_len);
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eh.data = eh.bv.bv_val + eh.nvals * sizeof( struct berval );
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memcpy(eh.data, item.data, item.size);
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eh.data += eoff;
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rc = entry_decode( &eh, &e );
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if ( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_dn2entry)
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": entry decode error: %s (%d)\n",
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rc, 0, 0 );
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goto done;
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}
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e->e_id = id;
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*ep = e;
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done:
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if(cursor){
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cursor->close(cursor);
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}
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return rc;
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}
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/* dn2pentry - return parent entry */
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int wt_dn2pentry( BackendDB *be,
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wt_ctx *wc,
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struct berval *ndn,
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Entry **ep ){
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Entry *e = NULL;
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struct berval pdn;
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int rc;
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if (be_issuffix( be, ndn )) {
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*ep = NULL;
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return WT_NOTFOUND;
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}
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dnParent( ndn, &pdn );
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rc = wt_dn2entry(be, wc, &pdn, &e);
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*ep = e;
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return rc;
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}
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/*
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* Local variables:
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* indent-tabs-mode: t
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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*/
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