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

   1 /* database.c - deals with database subsystem */
   2 /*
   3  * Copyright 1998-2002 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 "slapi-plugin.h"
  40 #include "back-monitor.h"
  41
  42 #if defined(LDAP_SLAPI)
  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         AttributeDescription    *ad_nc = slap_schema.si_ad_namingContexts;
  56         AttributeDescription    *ad_mc = slap_schema.si_ad_monitorContext;
  57         AttributeDescription    *ad_seeAlso = NULL;
  58         const char              *text = NULL;
  59
  60         assert( be != NULL );
  61         assert( monitor_ad_desc != NULL );
  62
  63         mi = ( struct monitorinfo * )be->be_private;
  64
  65         if ( monitor_cache_get( mi,
  66                                 &monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn,
  67                                 &e_database ) ) {
  68 #ifdef NEW_LOGGING
  69                 LDAP_LOG( OPERATION, CRIT,
  70                         "monitor_subsys_database_init: "
  71                         "unable to get entry '%s'\n",
  72                         monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0, 0 );
  73 #else
  74                 Debug( LDAP_DEBUG_ANY,
  75                         "monitor_subsys_database_init: "
  76                         "unable to get entry '%s'\n%s%s",
  77                         monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
  78                         "", "" );
  79 #endif
  80                 return( -1 );
  81         }
  82
  83         if ( slap_str2ad( "seeAlso", &ad_seeAlso, &text ) != LDAP_SUCCESS ) {
  84 #ifdef NEW_LOGGING
  85                 LDAP_LOG( OPERATION, CRIT,
  86                         "monitor_subsys_database_init: "
  87                         "unable to find 'seeAlso' attribute description\n",
  88                         0, 0, 0 );
  89 #else
  90                 Debug( LDAP_DEBUG_ANY,
  91                         "monitor_subsys_database_init: "
  92                         "unable to find 'seeAlso' attribute description\n",
  93                         0, 0, 0 );
  94 #endif
  95                 return( -1 );
  96         }
  97
  98         e_tmp = NULL;
  99         for ( i = nBackendDB; i--; ) {
 100                 char buf[1024];
 101                 int j;
 102
 103                 be = &backendDB[i];
 104
 105                 /* Subordinates are not exposed as their own naming context */
 106                 if ( be->be_flags & SLAP_BFLAG_GLUE_SUBORDINATE ) {
 107                         continue;
 108                 }
 109
 110                 snprintf( buf, sizeof( buf ),
 111                                 "dn: cn=Database %d,%s\n"
 112                                 SLAPD_MONITOR_OBJECTCLASSES
 113                                 "cn: Database %d\n"
 114                                 "description: %s",
 115                                 i,
 116                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_dn.bv_val,
 117                                 i,
 118                                 be->bd_info->bi_type );
 119
 120                 e = str2entry( buf );
 121                 if ( e == NULL ) {
 122 #ifdef NEW_LOGGING
 123                         LDAP_LOG( OPERATION, CRIT,
 124                                 "monitor_subsys_database_init: "
 125                                 "unable to create entry 'cn=Database %d,%s'\n",
 126                                 i, monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0 );
 127 #else
 128                         Debug( LDAP_DEBUG_ANY,
 129                                 "monitor_subsys_database_init: "
 130                                 "unable to create entry 'cn=Database %d,%s'\n%s",
 131                                 i,
 132                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
 133                                 "" );
 134 #endif
 135                         return( -1 );
 136                 }
 137
 138                 if ( be->be_flags & SLAP_BFLAG_MONITOR ) {
 139                         attr_merge( e, ad_mc, be->be_suffix );
 140                         attr_merge( e_database, ad_mc, be->be_suffix );
 141                 } else {
 142                         attr_merge( e, ad_nc, be->be_suffix );
 143                         attr_merge( e_database, ad_nc, be->be_suffix );
 144                 }
 145
 146                 for ( j = nBackendInfo; j--; ) {
 147                         if ( backendInfo[ j ].bi_type == be->bd_info->bi_type ) {
 148                                 struct berval           bv;
 149
 150                                 snprintf( buf, sizeof( buf ),
 151                                         "cn=Backend %d,%s",
 152                                         j, monitor_subsys[SLAPD_MONITOR_BACKEND].mss_dn.bv_val );
 153                                 bv.bv_val = buf;
 154                                 bv.bv_len = strlen( buf );
 155                                 attr_merge_one( e, ad_seeAlso, &bv );
 156                                 break;
 157                         }
 158                 }
 159                 /* we must find it! */
 160                 assert( j >= 0 );
 161
 162                 mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 163                 e->e_private = ( void * )mp;
 164                 mp->mp_next = e_tmp;
 165                 mp->mp_children = NULL;
 166                 mp->mp_info = &monitor_subsys[SLAPD_MONITOR_DATABASE];
 167                 mp->mp_flags = monitor_subsys[SLAPD_MONITOR_DATABASE].mss_flags
 168                         | MONITOR_F_SUB;
 169
 170                 if ( monitor_cache_add( mi, e ) ) {
 171 #ifdef NEW_LOGGING
 172                         LDAP_LOG( OPERATION, CRIT,
 173                                 "monitor_subsys_database_init: "
 174                                 "unable to add entry 'cn=Database %d,%s'\n",
 175                                 i, monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val, 0 );
 176 #else
 177                         Debug( LDAP_DEBUG_ANY,
 178                                 "monitor_subsys_database_init: "
 179                                 "unable to add entry 'cn=Database %d,%s'\n",
 180                                 i,
 181                                 monitor_subsys[SLAPD_MONITOR_DATABASE].mss_ndn.bv_val,
 182                                 0 );
 183 #endif
 184                         return( -1 );
 185                 }
 186
 187 #if defined(LDAP_SLAPI)
 188                 monitor_back_add_plugin( be, e );
 189 #endif /* defined(LDAP_SLAPI) */
 190
 191                 e_tmp = e;
 192         }
 193
 194         mp = ( struct monitorentrypriv * )e_database->e_private;
 195         mp->mp_children = e_tmp;
 196
 197         monitor_cache_release( mi, e_database );
 198
 199         return( 0 );
 200 }
 201
 202 #if defined(LDAP_SLAPI)
 203 static int
 204 monitor_back_add_plugin( Backend *be, Entry *e_database )
 205 {
 206         Slapi_PBlock            *pCurrentPB;
 207         int                     i, rc = LDAP_SUCCESS;
 208
 209         if ( slapi_x_pblock_get_first( be, &pCurrentPB ) != LDAP_SUCCESS ) {
 210                 /*
 211                  * LDAP_OTHER is returned if no plugins are installed
 212                  */
 213                 rc = LDAP_OTHER;
 214                 goto done;
 215         }
 216
 217         i = 0;
 218         do {
 219                 Slapi_PluginDesc        *srchdesc;
 220                 char                    buf[1024];
 221                 struct berval           bv;
 222
 223                 rc = slapi_pblock_get( pCurrentPB, SLAPI_PLUGIN_DESCRIPTION,
 224                                 &srchdesc );
 225                 if ( rc != LDAP_SUCCESS ) {
 226                         goto done;
 227                 }
 228
 229                 snprintf( buf, sizeof(buf),
 230                                 "plugin %d name: %s; "
 231                                 "vendor: %s; "
 232                                 "version: %s; "
 233                                 "description: %s",
 234                                 i,
 235                                 srchdesc->spd_id,
 236                                 srchdesc->spd_vendor,
 237                                 srchdesc->spd_version,
 238                                 srchdesc->spd_description );
 239
 240                 bv.bv_val = buf;
 241                 bv.bv_len = strlen( buf );
 242                 attr_merge_one( e_database, monitor_ad_desc, &bv );
 243
 244                 i++;
 245
 246         } while ( ( slapi_x_pblock_get_next( &pCurrentPB ) == LDAP_SUCCESS )
 247                         && ( pCurrentPB != NULL ) );
 248
 249 done:
 250         return rc;
 251 }
 252 #endif /* defined(LDAP_SLAPI) */