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153 lines
3.0 KiB
C
153 lines
3.0 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 2002-2020 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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#include "idl.h"
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/* read a key */
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int
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wt_key_read(
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Backend *be,
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WT_CURSOR *cursor,
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struct berval *k,
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ID *ids,
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WT_CURSOR **saved_cursor,
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int get_flag
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)
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{
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int rc;
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WT_ITEM key;
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int exact;
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WT_ITEM key2;
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ID id;
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Debug( LDAP_DEBUG_TRACE, "=> key_read\n" );
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WT_IDL_ZERO(ids);
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bv2ITEM(k, &key);
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cursor->set_key(cursor, &key, 0);
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rc = cursor->search_near(cursor, &exact);
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if( rc ){
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_key_read)
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": search_near failed: %s (%d)\n",
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wiredtiger_strerror(rc), rc );
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goto done;
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}
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do {
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rc = cursor->get_key(cursor, &key2, &id);
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if( rc ){
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_key_read)
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": get_key failed: %s (%d)\n",
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wiredtiger_strerror(rc), rc );
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break;
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}
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if (key.size != key2.size || memcmp(key.data, key2.data, key.size)) {
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if(exact < 0){
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rc = cursor->next(cursor);
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if (rc) {
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break;
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}else{
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continue;
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}
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}
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break;
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}
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exact = 0;
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wt_idl_append_one(ids, id);
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rc = cursor->next(cursor);
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} while(rc == 0);
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if (rc == WT_NOTFOUND ) {
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rc = LDAP_SUCCESS;
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}
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done:
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if( rc != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE, "<= wt_key_read: failed (%d)\n",
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rc );
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} else {
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Debug( LDAP_DEBUG_TRACE, "<= wt_key_read %ld candidates\n",
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(long) WT_IDL_N(ids) );
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}
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return rc;
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}
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/* Add or remove stuff from index files */
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int
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wt_key_change(
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Backend *be,
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WT_CURSOR *cursor,
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struct berval *k,
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ID id,
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int op
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)
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{
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int rc;
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WT_ITEM item;
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Debug( LDAP_DEBUG_TRACE, "=> key_change(%s,%lx)\n",
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op == SLAP_INDEX_ADD_OP ? "ADD":"DELETE", (long) id );
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bv2ITEM(k, &item);
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cursor->set_key(cursor, &item, id);
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cursor->set_value(cursor, NULL);
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if (op == SLAP_INDEX_ADD_OP) {
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/* Add values */
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rc = cursor->insert(cursor);
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if ( rc == WT_DUPLICATE_KEY ) rc = 0;
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} else {
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/* Delete values */
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rc = cursor->remove(cursor);
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if ( rc == WT_NOTFOUND ) rc = 0;
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}
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_key_change)
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": error: %s (%d)\n",
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wiredtiger_strerror(rc), rc );
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return rc;
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}
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Debug( LDAP_DEBUG_TRACE, "<= key_change %d\n", rc );
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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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