1/* index.c - routines for dealing with attribute indexes */
2/* $OpenLDAP$ */
3/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 *
5 * Copyright 2000-2011 The OpenLDAP Foundation.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
10 * Public License.
11 *
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
15 */
16
17#include "portable.h"
18
19#include <stdio.h>
20
21#include <ac/string.h>
22#include <ac/socket.h>
23
24#include "slap.h"
25#include "back-bdb.h"
26#include "idl.h"
27
28/* read a key */
29int
30bdb_key_read(
31	Backend	*be,
32	DB *db,
33	DB_TXN *txn,
34	struct berval *k,
35	ID *ids,
36	DBC **saved_cursor,
37	int get_flag
38)
39{
40	int rc;
41	DBT key;
42
43	Debug( LDAP_DEBUG_TRACE, "=> key_read\n", 0, 0, 0 );
44
45	DBTzero( &key );
46	bv2DBT(k,&key);
47	key.ulen = key.size;
48	key.flags = DB_DBT_USERMEM;
49
50	rc = bdb_idl_fetch_key( be, db, txn, &key, ids, saved_cursor, get_flag );
51
52	if( rc != LDAP_SUCCESS ) {
53		Debug( LDAP_DEBUG_TRACE, "<= bdb_index_read: failed (%d)\n",
54			rc, 0, 0 );
55	} else {
56		Debug( LDAP_DEBUG_TRACE, "<= bdb_index_read %ld candidates\n",
57			(long) BDB_IDL_N(ids), 0, 0 );
58	}
59
60	return rc;
61}
62
63/* Add or remove stuff from index files */
64int
65bdb_key_change(
66	Backend *be,
67	DB *db,
68	DB_TXN *txn,
69	struct berval *k,
70	ID id,
71	int op
72)
73{
74	int	rc;
75	DBT	key;
76
77	Debug( LDAP_DEBUG_TRACE, "=> key_change(%s,%lx)\n",
78		op == SLAP_INDEX_ADD_OP ? "ADD":"DELETE", (long) id, 0 );
79
80	DBTzero( &key );
81	bv2DBT(k,&key);
82	key.ulen = key.size;
83	key.flags = DB_DBT_USERMEM;
84
85	if (op == SLAP_INDEX_ADD_OP) {
86		/* Add values */
87
88#ifdef BDB_TOOL_IDL_CACHING
89		if ( slapMode & SLAP_TOOL_QUICK )
90			rc = bdb_tool_idl_add( be, db, txn, &key, id );
91		else
92#endif
93			rc = bdb_idl_insert_key( be, db, txn, &key, id );
94		if ( rc == DB_KEYEXIST ) rc = 0;
95	} else {
96		/* Delete values */
97		rc = bdb_idl_delete_key( be, db, txn, &key, id );
98		if ( rc == DB_NOTFOUND ) rc = 0;
99	}
100
101	Debug( LDAP_DEBUG_TRACE, "<= key_change %d\n", rc, 0, 0 );
102
103	return rc;
104}
105