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

   1 /* database.c - deals with database subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2003 The OpenLDAP Foundation.
   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 /* This is an altered version */
  21 /*
  22  * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
  23  *
  24  * This work has beed deveolped for the OpenLDAP Foundation
  25  * in the hope that it may be useful to the Open Source community,
  26  * but WITHOUT ANY WARRANTY.
  27  *
  28  * Permission is granted to anyone to use this software for any purpose
  29  * on any computer system, and to alter it and redistribute it, subject
  30  * to the following restrictions:
  31  *
  32  * 1. The author and SysNet s.n.c. are not responsible for the consequences
  33  *    of use of this software, no matter how awful, even if they arise from
  34  *    flaws in it.
  35  *
  36  * 2. The origin of this software must not be misrepresented, either by
  37  *    explicit claim or by omission.  Since few users ever read sources,
  38  *    credits should appear in the documentation.
  39  *
  40  * 3. Altered versions must be plainly marked as such, and must not be
  41  *    misrepresented as being the original software.  Since few users
  42  *    ever read sources, credits should appear in the documentation.
  43  *    SysNet s.n.c. cannot be responsible for the consequences of the
  44  *    alterations.
  45  *
  46  * 4. This notice may not be removed or altered.
  47  */
  48
  49 #include "portable.h"
  50
  51 #include <stdio.h>
  52 #include <ac/string.h>
  53
  54 #include "slap.h"
  55 #include "back-monitor.h"
  56
  57 #if defined(LDAP_SLAPI)
  58 #include "slapi.h"
  59 static int monitor_back_add_plugin( Backend *be, Entry *e );
  60 #endif /* defined(LDAP_SLAPI) */
  61
  62 int
  63 monitor_subsys_database_init(
  64         BackendDB       *be
  65 )
  66 {
  67         struct monitorinfo      *mi;
  68         Entry                   *e, *e_database, *e_tmp;
  69         int                     i;
  70         struct monitorentrypriv *mp;
  71
  72         assert( be != NULL );
  73
  74         mi = ( struct monitorinfo * )be->be_private;
  75
  76         if ( monitor_cache_get( mi,
  77                                 &monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn,
  78                                 &e_database ) ) {
  79 #ifdef NEW_LOGGING
  80                 LDAP_LOG( OPERATION, CRIT,
  81                         "monitor_subsys_database_init: "
  82                         "unable to get entry '%s'\n",
  83                         monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0, 0 );
  84 #else
  85                 Debug( LDAP_DEBUG_ANY,
  86                         "monitor_subsys_database_init: "
  87                         "unable to get entry '%s'\n%s%s",
  88                         monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
  89                         "", "" );
  90 #endif
  91                 return( -1 );
  92         }
  93
  94         e_tmp = NULL;
  95         for ( i = nBackendDB; i--; ) {
  96                 char buf[ BACKMONITOR_BUFSIZE ];
  97                 int j;
  98
  99                 be = &backendDB[i];
 100
 101                 /* Subordinates are not exposed as their own naming context */
 102                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
 103                         continue;
 104                 }
 105
 106                 snprintf( buf, sizeof( buf ),
 107                                 "dn: cn=Database %d,%s\n"
 108                                 "objectClass: %s\n"
 109                                 "structuralObjectClass: %s\n"
 110                                 "cn: Database %d\n"
 111                                 "description: This object contains the type of the database.\n"
 112                                 "%s: %s\n"
 113                                 "createTimestamp: %s\n"
 114                                 "modifyTimestamp: %s\n",
 115                                 i,
 116                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_dn.bv_val,
 117                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 118                                 mi->mi_oc_monitoredObject->soc_cname.bv_val,
 119                                 i,
 120                                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 121                                 be->bd_info->bi_type,
 122                                 mi->mi_startTime.bv_val,
 123                                 mi->mi_startTime.bv_val );
 124
 125                 e = str2entry( buf );
 126                 if ( e == NULL ) {
 127 #ifdef NEW_LOGGING
 128                         LDAP_LOG( OPERATION, CRIT,
 129                                 "monitor_subsys_database_init: "
 130                                 "unable to create entry 'cn=Database %d,%s'\n",
 131                                 i, monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0 );
 132 #else
 133                         Debug( LDAP_DEBUG_ANY,
 134                                 "monitor_subsys_database_init: "
 135                                 "unable to create entry 'cn=Database %d,%s'\n%s",
 136                                 i,
 137                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
 138                                 "" );
 139 #endif
 140                         return( -1 );
 141                 }
 142
 143                 if ( be->be_flags & SLAP_BFLAG_MONITOR ) {
 144                         attr_merge( e, slap_schema.si_ad_monitorContext,
 145                                         be->be_suffix, be->be_nsuffix );
 146                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 147                                         be->be_suffix, be->be_nsuffix );
 148                 } else {
 149                         attr_merge( e, slap_schema.si_ad_namingContexts,
 150                                         be->be_suffix, be->be_nsuffix );
 151                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 152                                         be->be_suffix, be->be_nsuffix );
 153                 }
 154
 155                 for ( j = nBackendInfo; j--; ) {
 156                         if ( backendInfo[ j ].bi_type == be->bd_info->bi_type ) {
 157                                 struct berval           bv;
 158
 159                                 snprintf( buf, sizeof( buf ),
 160                                         "cn=Backend %d,%s",
 161                                         j, monitor_subsys[SLAPD_MONITOR_BACKEND].mss_dn.bv_val );
 162                                 bv.bv_val = buf;
 163                                 bv.bv_len = strlen( buf );
 164                                 attr_merge_normalize_one( e, mi->mi_ad_seeAlso,
 165                                                 &bv, NULL );
 166                                 break;
 167                         }
 168                 }
 169                 /* we must find it! */
 170                 assert( j >= 0 );
 171
 172                 mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 173                 e->e_private = ( void * )mp;
 174                 mp->mp_next = e_tmp;
 175                 mp->mp_children = NULL;
 176                 mp->mp_info = &monitor_subsys[SLAPD_MONITOR_DATABASE];
 177                 mp->mp_flags = monitor_subsys[SLAPD_MONITOR_DATABASE].mss_flags
 178                         | MONITOR_F_SUB;
 179
 180                 if ( monitor_cache_add( mi, e ) ) {
 181 #ifdef NEW_LOGGING
 182                         LDAP_LOG( OPERATION, CRIT,
 183                                 "monitor_subsys_database_init: "
 184                                 "unable to add entry 'cn=Database %d,%s'\n",
 185                                 i, monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0 );
 186 #else
 187                         Debug( LDAP_DEBUG_ANY,
 188                                 "monitor_subsys_database_init: "
 189                                 "unable to add entry 'cn=Database %d,%s'\n",
 190                                 i,
 191                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
 192                                 0 );
 193 #endif
 194                         return( -1 );
 195                 }
 196
 197 #if defined(LDAP_SLAPI)
 198                 monitor_back_add_plugin( be, e );
 199 #endif /* defined(LDAP_SLAPI) */
 200
 201                 e_tmp = e;
 202         }
 203
 204         mp = ( struct monitorentrypriv * )e_database->e_private;
 205         mp->mp_children = e_tmp;
 206
 207         monitor_cache_release( mi, e_database );
 208
 209         return( 0 );
 210 }
 211
 212 #if defined(LDAP_SLAPI)
 213 static int
 214 monitor_back_add_plugin( Backend *be, Entry *e_database )
 215 {
 216         Slapi_PBlock            *pCurrentPB;
 217         int                     i, rc = LDAP_SUCCESS;
 218         struct monitorinfo      *mi = ( struct monitorinfo * )be->be_private;
 219
 220         if ( slapi_x_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 221                 /*
 222                  * LDAP_OTHER is returned if no plugins are installed
 223                  */
 224                 rc = LDAP_OTHER;
 225                 goto done;
 226         }
 227
 228         i = 0;
 229         do {
 230                 Slapi_PluginDesc        *srchdesc;
 231                 char                    buf[ BACKMONITOR_BUFSIZE ];
 232                 struct berval           bv;
 233
 234                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 235                                 &srchdesc );
 236                 if ( rc != LDAP_SUCCESS ) {
 237                         goto done;
 238                 }
 239
 240                 snprintf( buf, sizeof(buf),
 241                                 "plugin %d name: %s; "
 242                                 "vendor: %s; "
 243                                 "version: %s; "
 244                                 "description: %s",
 245                                 i,
 246                                 srchdesc->spd_id,
 247                                 srchdesc->spd_vendor,
 248                                 srchdesc->spd_version,
 249                                 srchdesc->spd_description );
 250
 251                 bv.bv_val = buf;
 252                 bv.bv_len = strlen( buf );
 253                 attr_merge_normalize_one( e_database,
 254                                 mi->mi_ad_monitoredInfo, &bv, NULL );
 255
 256                 i++;
 257
 258         } while ( ( slapi_x_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 259                         && ( pCurrentPB != NULL ) );
 260
 261 done:
 262         return rc;
 263 }
 264 #endif /* defined(LDAP_SLAPI) */