openldap/servers/slapd/back-mdb/key.c
2011-09-01 17:00:26 -07:00

95 lines
1.9 KiB
C

/* index.c - routines for dealing with attribute indexes */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2000-2011 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>.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-mdb.h"
#include "idl.h"
/* read a key */
int
mdb_key_read(
Backend *be,
MDB_txn *txn,
MDB_dbi dbi,
struct berval *k,
ID *ids,
MDB_cursor **saved_cursor,
int get_flag
)
{
int rc;
MDB_val key;
Debug( LDAP_DEBUG_TRACE, "=> key_read\n", 0, 0, 0 );
key.mv_size = k->bv_len;
key.mv_data = k->bv_val;
rc = mdb_idl_fetch_key( be, txn, dbi, &key, ids, saved_cursor, get_flag );
if( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "<= mdb_index_read: failed (%d)\n",
rc, 0, 0 );
} else {
Debug( LDAP_DEBUG_TRACE, "<= mdb_index_read %ld candidates\n",
(long) MDB_IDL_N(ids), 0, 0 );
}
return rc;
}
/* Add or remove stuff from index files */
int
mdb_key_change(
Backend *be,
MDB_txn *txn,
MDB_dbi dbi,
struct berval *k,
ID id,
int op
)
{
int rc;
MDB_val key;
Debug( LDAP_DEBUG_TRACE, "=> key_change(%s,%lx)\n",
op == SLAP_INDEX_ADD_OP ? "ADD":"DELETE", (long) id, 0 );
key.mv_size = k->bv_len;
key.mv_data = k->bv_val;
if (op == SLAP_INDEX_ADD_OP) {
/* Add values */
rc = mdb_idl_insert_key( be, txn, dbi, &key, id );
if ( rc == MDB_KEYEXIST ) rc = 0;
} else {
/* Delete values */
rc = mdb_idl_delete_key( be, txn, dbi, &key, id );
if ( rc == MDB_NOTFOUND ) rc = 0;
}
Debug( LDAP_DEBUG_TRACE, "<= key_change %d\n", rc, 0, 0 );
return rc;
}