openldap/servers/slapd/back-wt/init.c
Quanah Gibson-Mount 1df85d3427 Happy New Year!
2017-01-03 12:36:47 -08:00

309 lines
7.5 KiB
C

/* OpenLDAP WiredTiger backend */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2002-2017 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>.
*/
/* ACKNOWLEDGEMENTS:
* This work was developed by HAMANO Tsukasa <hamano@osstech.co.jp>
* based on back-bdb for inclusion in OpenLDAP Software.
* WiredTiger is a product of MongoDB Inc.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "back-wt.h"
#include "config.h"
static int
wt_db_init( BackendDB *be, ConfigReply *cr )
{
struct wt_info *wi;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(wt_db_init) ": Initializing wt backend\n",
0, 0, 0 );
/* allocate backend-database-specific stuff */
wi = ch_calloc( 1, sizeof(struct wt_info) );
wi->wi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
wi->wi_dbenv_config = ch_strdup("create");
wi->wi_lastid = 0;
wi->wi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
wi->wi_search_stack = NULL;
be->be_private = wi;
be->be_cf_ocs = be->bd_info->bi_cf_ocs;
return LDAP_SUCCESS;
}
static int
wt_db_open( BackendDB *be, ConfigReply *cr )
{
struct wt_info *wi = (struct wt_info *) be->be_private;
int rc;
struct stat st;
WT_CONNECTION *conn;
WT_SESSION *session;
if ( be->be_suffix == NULL ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": need suffix.\n",
1, 0, 0 );
return -1;
}
Debug( LDAP_DEBUG_ARGS,
LDAP_XSTRING(wt_db_open) ": \"%s\"\n",
be->be_suffix[0].bv_val, 0, 0 );
/* Check existence of home. Any error means trouble */
rc = stat( wi->wi_dbenv_home, &st );
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot access database directory \"%s\" (%d).\n",
be->be_suffix[0].bv_val, wi->wi_dbenv_home, errno );
return -1;
}
/* Open and create database */
rc = wiredtiger_open(wi->wi_dbenv_home, NULL,
wi->wi_dbenv_config, &conn);
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot open database \"%s\" (%d).\n",
be->be_suffix[0].bv_val, wi->wi_dbenv_home, errno );
return -1;
}
rc = conn->open_session(conn, NULL, NULL, &session);
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot open session: \"%s\"\n",
be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
return -1;
}
rc = session->create(session,
WT_TABLE_ID2ENTRY,
"key_format=Q,"
"value_format=Su,"
"columns=(id,dn,entry)");
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot create entry table: \"%s\"\n",
be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
return -1;
}
rc = session->create(session,
WT_TABLE_DN2ID,
"key_format=S,"
"value_format=QQS,"
"columns=(ndn,id,pid,revdn)");
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot create entry table: \"%s\"\n",
be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
return -1;
}
/* not using dn2id index for id2entry table */
rc = session->create(session, WT_INDEX_DN, "columns=(dn)");
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot create dn index: \"%s\"\n",
be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
return -1;
}
rc = session->create(session, WT_INDEX_PID, "columns=(pid)");
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot create pid index: \"%s\"\n",
be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
return -1;
}
rc = session->create(session, WT_INDEX_REVDN, "columns=(revdn)");
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": database \"%s\": "
"cannot create revdn index: \"%s\"\n",
be->be_suffix[0].bv_val, wiredtiger_strerror(rc), 0);
return -1;
}
rc = wt_last_id( be, session, &wi->wi_lastid);
if (rc) {
snprintf( cr->msg, sizeof(cr->msg), "database \"%s\": "
"last_id() failed: %s(%d).",
be->be_suffix[0].bv_val, wiredtiger_strerror(rc), rc );
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_open) ": %s\n",
cr->msg, 0, 0 );
return rc;
}
session->close(session, NULL);
wi->wi_conn = conn;
wi->wi_flags |= WT_IS_OPEN;
return LDAP_SUCCESS;
}
static int
wt_db_close( BackendDB *be, ConfigReply *cr )
{
struct wt_info *wi = (struct wt_info *) be->be_private;
int rc;
rc = wi->wi_conn->close(wi->wi_conn, NULL);
if( rc ) {
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(wt_db_close)
": cannot close database (%d).\n",
errno, 0, 0);
return -1;
}
wi->wi_flags &= ~WT_IS_OPEN;
return LDAP_SUCCESS;
}
static int
wt_db_destroy( Backend *be, ConfigReply *cr )
{
struct wt_info *wi = (struct wt_info *) be->be_private;
if( wi->wi_dbenv_home ) {
ch_free( wi->wi_dbenv_home );
wi->wi_dbenv_home = NULL;
}
if( wi->wi_dbenv_config ) {
ch_free( wi->wi_dbenv_config );
wi->wi_dbenv_config = NULL;
}
wt_attr_index_destroy( wi );
ch_free( wi );
be->be_private = NULL;
return LDAP_SUCCESS;
}
int
wt_back_initialize( BackendInfo *bi )
{
static char *controls[] = {
LDAP_CONTROL_ASSERT,
LDAP_CONTROL_MANAGEDSAIT,
LDAP_CONTROL_NOOP,
LDAP_CONTROL_PAGEDRESULTS,
LDAP_CONTROL_PRE_READ,
LDAP_CONTROL_POST_READ,
LDAP_CONTROL_SUBENTRIES,
LDAP_CONTROL_X_PERMISSIVE_MODIFY,
NULL
};
/* initialize the database system */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(wt_back_initialize)
": initialize WiredTiger backend\n",
0, 0, 0 );
bi->bi_flags |=
SLAP_BFLAG_INCREMENT |
SLAP_BFLAG_SUBENTRIES |
SLAP_BFLAG_ALIASES |
SLAP_BFLAG_REFERRALS;
bi->bi_controls = controls;
{ /* version check */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(wt_back_initialize) ": %s\n",
wiredtiger_version(NULL, NULL, NULL), 0, 0 );
}
bi->bi_open = 0;
bi->bi_close = 0;
bi->bi_config = 0;
bi->bi_destroy = 0;
bi->bi_db_init = wt_db_init;
bi->bi_db_config = config_generic_wrapper;
bi->bi_db_open = wt_db_open;
bi->bi_db_close = wt_db_close;
bi->bi_db_destroy = wt_db_destroy;
bi->bi_op_add = wt_add;
bi->bi_op_bind = wt_bind;
bi->bi_op_unbind = 0;
bi->bi_op_search = wt_search;
bi->bi_op_compare = wt_compare;
bi->bi_op_modify = wt_modify;
bi->bi_op_modrdn = 0;
bi->bi_op_delete = wt_delete;
bi->bi_op_abandon = 0;
bi->bi_extended = 0;
bi->bi_chk_referrals = 0;
bi->bi_operational = wt_operational;
bi->bi_entry_release_rw = wt_entry_release;
bi->bi_entry_get_rw = wt_entry_get;
bi->bi_tool_entry_open = wt_tool_entry_open;
bi->bi_tool_entry_close = wt_tool_entry_close;
bi->bi_tool_entry_first = backend_tool_entry_first;
bi->bi_tool_entry_first_x = wt_tool_entry_first_x;
bi->bi_tool_entry_next = wt_tool_entry_next;
bi->bi_tool_entry_get = wt_tool_entry_get;
bi->bi_tool_entry_put = wt_tool_entry_put;
bi->bi_tool_entry_reindex = wt_tool_entry_reindex;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
return wt_back_init_cf( bi );
}
#if SLAPD_WT == SLAPD_MOD_DYNAMIC
/* conditionally define the init_module() function */
SLAP_BACKEND_INIT_MODULE( wt )
#endif /* SLAPD_WT == SLAPD_MOD_DYNAMIC */
/*
* Local variables:
* indent-tabs-mode: t
* tab-width: 4
* c-basic-offset: 4
* End:
*/