git.sur5r.net Git - openldap/blob - 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 2001-2018 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                 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", i );
  79                 bv.bv_val = buf;
  80                 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
  81                         mi->mi_oc_monitoredObject, NULL, NULL );
  82                 if ( e == NULL ) {
  83                         Debug( LDAP_DEBUG_ANY,
  84                                 "monitor_subsys_overlay_init: "
  85                                 "unable to create entry \"cn=Overlay %d,%s\"\n",
  86                                 i, ms->mss_ndn.bv_val, 0 );
  87                         return( -1 );
  88                 }
  89                 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
  90                 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
  91                 attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig,
  92                         on->on_bi.bi_cf_ocs ? (struct berval *)&slap_true_bv :
  93                                 (struct berval *)&slap_false_bv, NULL );
  94
  95                 attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo,
  96                                 &bv, NULL );
  97
  98                 j = -1;
  99                 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
 100                         char            buf[ SLAP_LDAPDN_MAXLEN ];
 101                         struct berval   dn;
 102
 103                         j++;
 104                         if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) {
 105                                 continue;
 106                         }
 107
 108                         snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
 109                                         j, ms_database->mss_dn.bv_val );
 110
 111                         ber_str2bv( buf, 0, 0, &dn );
 112                         attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
 113                                         &dn, NULL );
 114                 }
 115
 116                 mp = monitor_entrypriv_create();
 117                 if ( mp == NULL ) {
 118                         return -1;
 119                 }
 120                 e->e_private = ( void * )mp;
 121                 mp->mp_info = ms;
 122                 mp->mp_flags = ms->mss_flags
 123                         | MONITOR_F_SUB;
 124
 125                 if ( monitor_cache_add( mi, e ) ) {
 126                         Debug( LDAP_DEBUG_ANY,
 127                                 "monitor_subsys_overlay_init: "
 128                                 "unable to add entry \"cn=Overlay %d,%s\"\n",
 129                                 i, ms->mss_ndn.bv_val, 0 );
 130                         return( -1 );
 131                 }
 132
 133                 *ep = e;
 134                 ep = &mp->mp_next;
 135         }
 136
 137         monitor_cache_release( mi, e_overlay );
 138
 139         return( 0 );
 140 }
 141