2015-04-27 09:27:58 +08:00
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/* 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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2017-01-04 04:36:47 +08:00
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* Copyright 2002-2017 The OpenLDAP Foundation.
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2015-04-27 09:27:58 +08:00
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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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static int
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wt_db_init( BackendDB *be, ConfigReply *cr )
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{
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struct wt_info *wi;
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(wt_db_init) ": Initializing wt backend\n",
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0, 0, 0 );
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/* allocate backend-database-specific stuff */
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wi = ch_calloc( 1, sizeof(struct wt_info) );
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wi->wi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
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wi->wi_dbenv_config = ch_strdup("create");
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wi->wi_lastid = 0;
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wi->wi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
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wi->wi_search_stack = NULL;
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be->be_private = wi;
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be->be_cf_ocs = be->bd_info->bi_cf_ocs;
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return LDAP_SUCCESS;
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}
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static int
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wt_db_open( BackendDB *be, ConfigReply *cr )
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{
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struct wt_info *wi = (struct wt_info *) be->be_private;
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int rc;
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struct stat st;
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WT_CONNECTION *conn;
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WT_SESSION *session;
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if ( be->be_suffix == NULL ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": need suffix.\n",
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1, 0, 0 );
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return -1;
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}
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Debug( LDAP_DEBUG_ARGS,
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LDAP_XSTRING(wt_db_open) ": \"%s\"\n",
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be->be_suffix[0].bv_val, 0, 0 );
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/* Check existence of home. Any error means trouble */
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rc = stat( wi->wi_dbenv_home, &st );
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot access database directory \"%s\" (%d).\n",
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be->be_suffix[0].bv_val, wi->wi_dbenv_home, errno );
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return -1;
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}
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/* Open and create database */
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rc = wiredtiger_open(wi->wi_dbenv_home, NULL,
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wi->wi_dbenv_config, &conn);
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot open database \"%s\" (%d).\n",
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be->be_suffix[0].bv_val, wi->wi_dbenv_home, errno );
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return -1;
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}
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rc = conn->open_session(conn, NULL, NULL, &session);
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot open session: \"%s\"\n",
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be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
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return -1;
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}
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rc = session->create(session,
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WT_TABLE_ID2ENTRY,
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"key_format=Q,"
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"value_format=Su,"
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"columns=(id,dn,entry)");
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot create entry table: \"%s\"\n",
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be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
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return -1;
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}
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rc = session->create(session,
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WT_TABLE_DN2ID,
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"key_format=S,"
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"value_format=QQS,"
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"columns=(ndn,id,pid,revdn)");
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot create entry table: \"%s\"\n",
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be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
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return -1;
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}
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/* not using dn2id index for id2entry table */
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rc = session->create(session, WT_INDEX_DN, "columns=(dn)");
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot create dn index: \"%s\"\n",
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be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
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return -1;
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}
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rc = session->create(session, WT_INDEX_PID, "columns=(pid)");
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot create pid index: \"%s\"\n",
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be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
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return -1;
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}
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rc = session->create(session, WT_INDEX_REVDN, "columns=(revdn)");
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": database \"%s\": "
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"cannot create revdn index: \"%s\"\n",
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be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
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return -1;
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}
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rc = wt_last_id( be, session, &wi->wi_lastid);
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if (rc) {
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snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
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"last_id() failed: %s(%d).",
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be->be_suffix[0].bv_val, wiredtiger_strerror(rc), rc );
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_open) ": %s\n",
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cr->msg, 0, 0 );
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return rc;
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}
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session->close(session, NULL);
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wi->wi_conn = conn;
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wi->wi_flags |= WT_IS_OPEN;
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return LDAP_SUCCESS;
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}
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static int
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wt_db_close( BackendDB *be, ConfigReply *cr )
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{
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struct wt_info *wi = (struct wt_info *) be->be_private;
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int rc;
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rc = wi->wi_conn->close(wi->wi_conn, NULL);
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if( rc ) {
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(wt_db_close)
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": cannot close database (%d).\n",
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errno, 0, 0);
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return -1;
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}
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wi->wi_flags &= ~WT_IS_OPEN;
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return LDAP_SUCCESS;
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}
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static int
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wt_db_destroy( Backend *be, ConfigReply *cr )
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{
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struct wt_info *wi = (struct wt_info *) be->be_private;
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if( wi->wi_dbenv_home ) {
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ch_free( wi->wi_dbenv_home );
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wi->wi_dbenv_home = NULL;
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}
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if( wi->wi_dbenv_config ) {
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ch_free( wi->wi_dbenv_config );
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wi->wi_dbenv_config = NULL;
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}
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wt_attr_index_destroy( wi );
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ch_free( wi );
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be->be_private = NULL;
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return LDAP_SUCCESS;
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}
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int
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wt_back_initialize( BackendInfo *bi )
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{
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static char *controls[] = {
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LDAP_CONTROL_ASSERT,
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LDAP_CONTROL_MANAGEDSAIT,
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LDAP_CONTROL_NOOP,
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LDAP_CONTROL_PAGEDRESULTS,
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LDAP_CONTROL_PRE_READ,
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LDAP_CONTROL_POST_READ,
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LDAP_CONTROL_SUBENTRIES,
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LDAP_CONTROL_X_PERMISSIVE_MODIFY,
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NULL
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};
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/* initialize the database system */
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(wt_back_initialize)
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": initialize WiredTiger backend\n",
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0, 0, 0 );
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bi->bi_flags |=
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SLAP_BFLAG_INCREMENT |
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SLAP_BFLAG_SUBENTRIES |
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SLAP_BFLAG_ALIASES |
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SLAP_BFLAG_REFERRALS;
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bi->bi_controls = controls;
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{ /* version check */
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(wt_back_initialize) ": %s\n",
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wiredtiger_version(NULL, NULL, NULL), 0, 0 );
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}
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bi->bi_open = 0;
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bi->bi_close = 0;
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bi->bi_config = 0;
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bi->bi_destroy = 0;
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bi->bi_db_init = wt_db_init;
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bi->bi_db_config = config_generic_wrapper;
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bi->bi_db_open = wt_db_open;
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bi->bi_db_close = wt_db_close;
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bi->bi_db_destroy = wt_db_destroy;
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bi->bi_op_add = wt_add;
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bi->bi_op_bind = wt_bind;
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bi->bi_op_unbind = 0;
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bi->bi_op_search = wt_search;
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bi->bi_op_compare = wt_compare;
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2015-09-04 23:26:52 +08:00
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bi->bi_op_modify = wt_modify;
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2015-04-27 09:27:58 +08:00
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bi->bi_op_modrdn = 0;
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bi->bi_op_delete = wt_delete;
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bi->bi_op_abandon = 0;
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bi->bi_extended = 0;
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bi->bi_chk_referrals = 0;
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bi->bi_operational = wt_operational;
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bi->bi_entry_release_rw = wt_entry_release;
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bi->bi_entry_get_rw = wt_entry_get;
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bi->bi_tool_entry_open = wt_tool_entry_open;
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bi->bi_tool_entry_close = wt_tool_entry_close;
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bi->bi_tool_entry_first = backend_tool_entry_first;
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bi->bi_tool_entry_first_x = wt_tool_entry_first_x;
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bi->bi_tool_entry_next = wt_tool_entry_next;
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bi->bi_tool_entry_get = wt_tool_entry_get;
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bi->bi_tool_entry_put = wt_tool_entry_put;
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bi->bi_tool_entry_reindex = wt_tool_entry_reindex;
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bi->bi_connection_init = 0;
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bi->bi_connection_destroy = 0;
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return wt_back_init_cf( bi );
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}
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#if SLAPD_WT == SLAPD_MOD_DYNAMIC
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/* conditionally define the init_module() function */
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SLAP_BACKEND_INIT_MODULE( wt )
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#endif /* SLAPD_WT == SLAPD_MOD_DYNAMIC */
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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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