1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* index.c - routines for dealing with attribute indexes */
/* $OpenLDAP: pkg/ldap/servers/slapd/back-ldbm/key.c,v 1.9.2.2 2006/01/03 22:16:19 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2006 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-ldbm.h"
/* read a key */
int
key_read(
Backend *be,
DBCache *db,
struct berval *k,
ID_BLOCK **idout
)
{
Datum key;
ID_BLOCK *idl;
Debug( LDAP_DEBUG_TRACE, "=> key_read\n", 0, 0, 0 );
ldbm_datum_init( key );
key.dptr = k->bv_val;
key.dsize = k->bv_len;
idl = idl_fetch( be, db, key );
Debug( LDAP_DEBUG_TRACE, "<= index_read %ld candidates\n",
idl ? ID_BLOCK_NIDS(idl) : 0, 0, 0 );
*idout = idl;
return LDAP_SUCCESS;
}
/* Add or remove stuff from index files */
int
key_change(
Backend *be,
DBCache *db,
struct berval *k,
ID id,
int op
)
{
int rc;
Datum key;
Debug( LDAP_DEBUG_TRACE, "=> key_change(%s,%lx)\n",
op == SLAP_INDEX_ADD_OP ? "ADD":"DELETE", (long) id, 0 );
ldbm_datum_init( key );
key.dptr = k->bv_val;
key.dsize = k->bv_len;
ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
if (op == SLAP_INDEX_ADD_OP) {
/* Add values */
rc = idl_insert_key( be, db, key, id );
} else {
/* Delete values */
rc = idl_delete_key( be, db, key, id );
}
ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
Debug( LDAP_DEBUG_TRACE, "<= key_change %d\n", rc, 0, 0 );
ldap_pvt_thread_yield();
return rc;
}
|
