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[openldap] / servers / slapd / back-monitor / overlay.c
1 /* overlay.c - deals with overlay subsystem */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3  *
4  * Copyright 2001-2006 The OpenLDAP Foundation.
5  * Portions Copyright 2001-2003 Pierangelo Masarati.
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 file LICENSE in the
13  * top-level directory of the distribution or, alternatively, at
14  * <http://www.OpenLDAP.org/license.html>.
15  */
16 /* ACKNOWLEDGEMENTS:
17  * This work was initially developed by Pierangelo Masarati for inclusion
18  * in OpenLDAP Software.
19  */
20
21
22 #include "portable.h"
23
24 #include <stdio.h>
25 #include <ac/string.h>
26
27 #include "slap.h"
28 #include "back-monitor.h"
29
30 /*
31  * initializes overlay subentries
32  */
33 int
34 monitor_subsys_overlay_init(
35         BackendDB               *be,
36         monitor_subsys_t        *ms
37 )
38 {
39         monitor_info_t          *mi;
40         Entry                   *e_overlay, **ep;
41         int                     i;
42         monitor_entry_t         *mp;
43         slap_overinst           *on;
44         monitor_subsys_t        *ms_database;
45
46         mi = ( monitor_info_t * )be->be_private;
47
48         ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
49         if ( ms_database == NULL ) {
50                 Debug( LDAP_DEBUG_ANY,
51                         "monitor_subsys_backend_init: "
52                         "unable to get "
53                         "\"" SLAPD_MONITOR_DATABASE_NAME "\" "
54                         "subsystem\n",
55                         0, 0, 0 );
56                 return -1;
57         }
58
59         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_overlay ) ) {
60                 Debug( LDAP_DEBUG_ANY,
61                         "monitor_subsys_overlay_init: "
62                         "unable to get entry \"%s\"\n",
63                         ms->mss_ndn.bv_val, 0, 0 );
64                 return( -1 );
65         }
66
67         mp = ( monitor_entry_t * )e_overlay->e_private;
68         mp->mp_children = NULL;
69         ep = &mp->mp_children;
70
71         for ( on = overlay_next( NULL ), i = 0; on; on = overlay_next( on ), i++ ) {
72                 char            buf[ BACKMONITOR_BUFSIZE ];
73                 struct berval   bv;
74                 int             j;
75                 Entry           *e;
76                 BackendDB       *be;
77
78                 snprintf( buf, sizeof( buf ),
79                                 "dn: cn=Overlay %d,%s\n"
80                                 "objectClass: %s\n"
81                                 "structuralObjectClass: %s\n"
82                                 "cn: Overlay %d\n"
83                                 "%s: %s\n"
84                                 "%s: %s\n"
85                                 "creatorsName: %s\n"
86                                 "modifiersName: %s\n"
87                                 "createTimestamp: %s\n"
88                                 "modifyTimestamp: %s\n",
89                                 i,
90                                 ms->mss_dn.bv_val,
91                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
92                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
93                                 i,
94                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
95                                         on->on_bi.bi_type,
96                                 mi->mi_ad_monitorRuntimeConfig->ad_cname.bv_val,
97                                         on->on_bi.bi_cf_ocs ? "TRUE" : "FALSE",
98                                 mi->mi_creatorsName.bv_val,
99                                 mi->mi_creatorsName.bv_val,
100                                 mi->mi_startTime.bv_val,
101                                 mi->mi_startTime.bv_val );
102                 
103                 e = str2entry( buf );
104                 if ( e == NULL ) {
105                         Debug( LDAP_DEBUG_ANY,
106                                 "monitor_subsys_overlay_init: "
107                                 "unable to create entry \"cn=Overlay %d,%s\"\n",
108                                 i, ms->mss_ndn.bv_val, 0 );
109                         return( -1 );
110                 }
111                 
112                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
113                 attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo,
114                                 &bv, NULL );
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                         if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) {
123                                 continue;
124                         }
125
126                         snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
127                                         j, ms_database->mss_dn.bv_val );
128
129                         ber_str2bv( buf, 0, 0, &dn );
130                         attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
131                                         &dn, NULL );
132                 }
133                 
134                 mp = monitor_entrypriv_create();
135                 if ( mp == NULL ) {
136                         return -1;
137                 }
138                 e->e_private = ( void * )mp;
139                 mp->mp_info = ms;
140                 mp->mp_flags = ms->mss_flags
141                         | MONITOR_F_SUB;
142
143                 if ( monitor_cache_add( mi, e ) ) {
144                         Debug( LDAP_DEBUG_ANY,
145                                 "monitor_subsys_overlay_init: "
146                                 "unable to add entry \"cn=Overlay %d,%s\"\n",
147                                 i, ms->mss_ndn.bv_val, 0 );
148                         return( -1 );
149                 }
150
151                 *ep = e;
152                 ep = &mp->mp_next;
153         }
154         
155         monitor_cache_release( mi, e_overlay );
156
157         return( 0 );
158 }
159