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

   1 /* database.c - deals with database subsystem */
   2 /*
   3  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
   8  *
   9  * This work has beed deveolped for the OpenLDAP Foundation
  10  * in the hope that it may be useful to the Open Source community,
  11  * but WITHOUT ANY WARRANTY.
  12  *
  13  * Permission is granted to anyone to use this software for any purpose
  14  * on any computer system, and to alter it and redistribute it, subject
  15  * to the following restrictions:
  16  *
  17  * 1. The author and SysNet s.n.c. are not responsible for the consequences
  18  *    of use of this software, no matter how awful, even if they arise from
  19  *    flaws in it.
  20  *
  21  * 2. The origin of this software must not be misrepresented, either by
  22  *    explicit claim or by omission.  Since few users ever read sources,
  23  *    credits should appear in the documentation.
  24  *
  25  * 3. Altered versions must be plainly marked as such, and must not be
  26  *    misrepresented as being the original software.  Since few users
  27  *    ever read sources, credits should appear in the documentation.
  28  *    SysNet s.n.c. cannot be responsible for the consequences of the
  29  *    alterations.
  30  *
  31  * 4. This notice may not be removed or altered.
  32  */
  33
  34 #include "portable.h"
  35
  36 #include <stdio.h>
  37
  38 #include "slap.h"
  39 #include "back-monitor.h"
  40
  41 #if defined(LDAP_SLAPI)
  42 #include "slapi.h"
  43 static int monitor_back_add_plugin( Backend *be, Entry *e );
  44 #endif /* defined(LDAP_SLAPI) */
  45
  46 int
  47 monitor_subsys_database_init(
  48         BackendDB       *be
  49 )
  50 {
  51         struct monitorinfo      *mi;
  52         Entry                   *e, *e_database, *e_tmp;
  53         int                     i;
  54         struct monitorentrypriv *mp;
  55         const char              *text = NULL;
  56
  57         assert( be != NULL );
  58
  59         mi = ( struct monitorinfo * )be->be_private;
  60
  61         if ( monitor_cache_get( mi,
  62                                 &monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn,
  63                                 &e_database ) ) {
  64 #ifdef NEW_LOGGING
  65                 LDAP_LOG( OPERATION, CRIT,
  66                         "monitor_subsys_database_init: "
  67                         "unable to get entry '%s'\n",
  68                         monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0, 0 );
  69 #else
  70                 Debug( LDAP_DEBUG_ANY,
  71                         "monitor_subsys_database_init: "
  72                         "unable to get entry '%s'\n%s%s",
  73                         monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
  74                         "", "" );
  75 #endif
  76                 return( -1 );
  77         }
  78
  79         e_tmp = NULL;
  80         for ( i = nBackendDB; i--; ) {
  81                 char buf[ BACKMONITOR_BUFSIZE ];
  82                 int j;
  83
  84                 be = &backendDB[i];
  85
  86                 /* Subordinates are not exposed as their own naming context */
  87                 if ( SLAP_GLUE_SUBORDINATE( be ) ) {
  88                         continue;
  89                 }
  90
  91                 snprintf( buf, sizeof( buf ),
  92                                 "dn: cn=Database %d,%s\n"
  93                                 "objectClass: %s\n"
  94                                 "structuralObjectClass: %s\n"
  95                                 "cn: Database %d\n"
  96                                 "description: This object contains the type of the database.\n"
  97                                 "%s: %s",
  98                                 i,
  99                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_dn.bv_val,
 100                                 mi->oc_monitoredObject->soc_cname.bv_val,
 101                                 mi->oc_monitoredObject->soc_cname.bv_val,
 102                                 i,
 103                                 mi->ad_monitoredInfo->ad_cname.bv_val,
 104                                 be->bd_info->bi_type );
 105
 106                 e = str2entry( buf );
 107                 if ( e == NULL ) {
 108 #ifdef NEW_LOGGING
 109                         LDAP_LOG( OPERATION, CRIT,
 110                                 "monitor_subsys_database_init: "
 111                                 "unable to create entry 'cn=Database %d,%s'\n",
 112                                 i, monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0 );
 113 #else
 114                         Debug( LDAP_DEBUG_ANY,
 115                                 "monitor_subsys_database_init: "
 116                                 "unable to create entry 'cn=Database %d,%s'\n%s",
 117                                 i,
 118                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
 119                                 "" );
 120 #endif
 121                         return( -1 );
 122                 }
 123
 124                 if ( be->be_flags & SLAP_BFLAG_MONITOR ) {
 125                         attr_merge( e, slap_schema.si_ad_monitorContext,
 126                                         be->be_suffix, be->be_nsuffix );
 127                         attr_merge( e_database, slap_schema.si_ad_monitorContext,
 128                                         be->be_suffix, be->be_nsuffix );
 129                 } else {
 130                         attr_merge( e, slap_schema.si_ad_namingContexts,
 131                                         be->be_suffix, be->be_nsuffix );
 132                         attr_merge( e_database, slap_schema.si_ad_namingContexts,
 133                                         be->be_suffix, be->be_nsuffix );
 134                 }
 135
 136                 for ( j = nBackendInfo; j--; ) {
 137                         if ( backendInfo[ j ].bi_type == be->bd_info->bi_type ) {
 138                                 struct berval           bv;
 139
 140                                 snprintf( buf, sizeof( buf ),
 141                                         "cn=Backend %d,%s",
 142                                         j, monitor_subsys[SLAPD_MONITOR_BACKEND].mss_dn.bv_val );
 143                                 bv.bv_val = buf;
 144                                 bv.bv_len = strlen( buf );
 145                                 attr_merge_normalize_one( e, mi->ad_seeAlso,
 146                                                 &bv, NULL );
 147                                 break;
 148                         }
 149                 }
 150                 /* we must find it! */
 151                 assert( j >= 0 );
 152
 153                 mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 154                 e->e_private = ( void * )mp;
 155                 mp->mp_next = e_tmp;
 156                 mp->mp_children = NULL;
 157                 mp->mp_info = &monitor_subsys[SLAPD_MONITOR_DATABASE];
 158                 mp->mp_flags = monitor_subsys[SLAPD_MONITOR_DATABASE].mss_flags
 159                         | MONITOR_F_SUB;
 160
 161                 if ( monitor_cache_add( mi, e ) ) {
 162 #ifdef NEW_LOGGING
 163                         LDAP_LOG( OPERATION, CRIT,
 164                                 "monitor_subsys_database_init: "
 165                                 "unable to add entry 'cn=Database %d,%s'\n",
 166                                 i, monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0 );
 167 #else
 168                         Debug( LDAP_DEBUG_ANY,
 169                                 "monitor_subsys_database_init: "
 170                                 "unable to add entry 'cn=Database %d,%s'\n",
 171                                 i,
 172                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
 173                                 0 );
 174 #endif
 175                         return( -1 );
 176                 }
 177
 178 #if defined(LDAP_SLAPI)
 179                 monitor_back_add_plugin( be, e );
 180 #endif /* defined(LDAP_SLAPI) */
 181
 182                 e_tmp = e;
 183         }
 184
 185         mp = ( struct monitorentrypriv * )e_database->e_private;
 186         mp->mp_children = e_tmp;
 187
 188         monitor_cache_release( mi, e_database );
 189
 190         return( 0 );
 191 }
 192
 193 #if defined(LDAP_SLAPI)
 194 static int
 195 monitor_back_add_plugin( Backend *be, Entry *e_database )
 196 {
 197         Slapi_PBlock            *pCurrentPB;
 198         int                     i, rc = LDAP_SUCCESS;
 199         struct monitorinfo      *mi = ( struct monitorinfo * )be->be_private;
 200
 201         if ( slapi_x_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 202                 /*
 203                  * LDAP_OTHER is returned if no plugins are installed
 204                  */
 205                 rc = LDAP_OTHER;
 206                 goto done;
 207         }
 208
 209         i = 0;
 210         do {
 211                 Slapi_PluginDesc        *srchdesc;
 212                 char                    buf[ BACKMONITOR_BUFSIZE ];
 213                 struct berval           bv;
 214
 215                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 216                                 &srchdesc );
 217                 if ( rc != LDAP_SUCCESS ) {
 218                         goto done;
 219                 }
 220
 221                 snprintf( buf, sizeof(buf),
 222                                 "plugin %d name: %s; "
 223                                 "vendor: %s; "
 224                                 "version: %s; "
 225                                 "description: %s",
 226                                 i,
 227                                 srchdesc->spd_id,
 228                                 srchdesc->spd_vendor,
 229                                 srchdesc->spd_version,
 230                                 srchdesc->spd_description );
 231
 232                 bv.bv_val = buf;
 233                 bv.bv_len = strlen( buf );
 234                 attr_merge_normalize_one( e_database,
 235                                 mi->ad_monitoredInfo, &bv, NULL );
 236
 237                 i++;
 238
 239         } while ( ( slapi_x_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 240                         && ( pCurrentPB != NULL ) );
 241
 242 done:
 243         return rc;
 244 }
 245 #endif /* defined(LDAP_SLAPI) */