xref: /netbsd-src/external/bsd/openldap/dist/servers/slapd/back-monitor/backend.c (revision 404fbe5fb94ca1e054339640cabb2801ce52dd30)
1 /* backend.c - deals with backend subsystem */
2 /* $OpenLDAP: pkg/ldap/servers/slapd/back-monitor/backend.c,v 1.41.2.3 2008/02/11 23:26:47 kurt Exp $ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 2001-2008 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  */
34 int
35 monitor_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