git.sur5r.net Git - openldap/blob - servers/slapd/back-monitor/backend.c

   1 /* backend.c - deals with backend subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2017 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, 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