1/* backend.c - deals with backend subsystem */
2/* $OpenLDAP$ */
3/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 *
5 * Copyright 2001-2011 The OpenLDAP Foundation.
6 * Portions Copyright 2001-2003 Pierangelo Masarati.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
11 * Public License.
12 *
13 * A copy of this license is available in file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
16 */
17/* ACKNOWLEDGEMENTS:
18 * This work was initially developed by Pierangelo Masarati for inclusion
19 * in OpenLDAP Software.
20 */
21
22
23#include "portable.h"
24
25#include <stdio.h>
26#include <ac/string.h>
27
28#include "slap.h"
29#include "back-monitor.h"
30
31/*
32 * initializes backend subentries
33 */
34int
35monitor_subsys_backend_init(
36	BackendDB		*be,
37	monitor_subsys_t	*ms
38)
39{
40	monitor_info_t		*mi;
41	Entry			*e_backend, **ep;
42	int			i;
43	monitor_entry_t		*mp;
44	monitor_subsys_t	*ms_database;
45	BackendInfo			*bi;
46
47	mi = ( monitor_info_t * )be->be_private;
48
49	ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
50	if ( ms_database == NULL ) {
51		Debug( LDAP_DEBUG_ANY,
52			"monitor_subsys_backend_init: "
53			"unable to get "
54			"\"" SLAPD_MONITOR_DATABASE_NAME "\" "
55			"subsystem\n",
56			0, 0, 0 );
57		return -1;
58	}
59
60	if ( monitor_cache_get( mi, &ms->mss_ndn, &e_backend ) ) {
61		Debug( LDAP_DEBUG_ANY,
62			"monitor_subsys_backend_init: "
63			"unable to get entry \"%s\"\n",
64			ms->mss_ndn.bv_val, 0, 0 );
65		return( -1 );
66	}
67
68	mp = ( monitor_entry_t * )e_backend->e_private;
69	mp->mp_children = NULL;
70	ep = &mp->mp_children;
71
72	i = -1;
73	LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
74		char 		buf[ BACKMONITOR_BUFSIZE ];
75		BackendDB	*be;
76		struct berval 	bv;
77		int		j;
78		Entry		*e;
79
80		i++;
81
82		bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Backend %d", i );
83		bv.bv_val = buf;
84
85		e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
86			mi->mi_oc_monitoredObject, mi, NULL, NULL );
87
88		if ( e == NULL ) {
89			Debug( LDAP_DEBUG_ANY,
90				"monitor_subsys_backend_init: "
91				"unable to create entry \"cn=Backend %d,%s\"\n",
92				i, ms->mss_ndn.bv_val, 0 );
93			return( -1 );
94		}
95
96		ber_str2bv( bi->bi_type, 0, 0, &bv );
97		attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
98				&bv, NULL );
99		attr_merge_normalize_one( e_backend, mi->mi_ad_monitoredInfo,
100				&bv, NULL );
101
102		attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig,
103			bi->bi_cf_ocs == NULL ? (struct berval *)&slap_false_bv :
104				(struct berval *)&slap_true_bv, NULL );
105
106		if ( bi->bi_controls ) {
107			int j;
108
109			for ( j = 0; bi->bi_controls[ j ]; j++ ) {
110				ber_str2bv( bi->bi_controls[ j ], 0, 0, &bv );
111				attr_merge_one( e, slap_schema.si_ad_supportedControl,
112						&bv, &bv );
113			}
114		}
115
116		j = -1;
117		LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
118			char		buf[ SLAP_LDAPDN_MAXLEN ];
119			struct berval	dn;
120
121			j++;
122
123			if ( be->bd_info != bi ) {
124				continue;
125			}
126
127			snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
128					j, ms_database->mss_dn.bv_val );
129
130			ber_str2bv( buf, 0, 0, &dn );
131			attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
132					&dn, NULL );
133		}
134
135		mp = monitor_entrypriv_create();
136		if ( mp == NULL ) {
137			return -1;
138		}
139		e->e_private = ( void * )mp;
140		mp->mp_info = ms;
141		mp->mp_flags = ms->mss_flags | MONITOR_F_SUB;
142
143		if ( monitor_cache_add( mi, e ) ) {
144			Debug( LDAP_DEBUG_ANY,
145				"monitor_subsys_backend_init: "
146				"unable to add entry \"cn=Backend %d,%s\"\n",
147				i,
148			       	ms->mss_ndn.bv_val, 0 );
149			return( -1 );
150		}
151
152		*ep = e;
153		ep = &mp->mp_next;
154	}
155
156	monitor_cache_release( mi, e_backend );
157
158	return( 0 );
159}
160
161