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

   1 /* backend.c - deals with backend 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
  35 #include "portable.h"
  36
  37 #include <stdio.h>
  38
  39 #include "slap.h"
  40 #include "back-monitor.h"
  41
  42 /*
  43  * initializes backend subentries
  44  */
  45 int
  46 monitor_subsys_backend_init(
  47         BackendDB       *be
  48 )
  49 {
  50         struct monitorinfo      *mi;
  51         Entry                   *e, *e_backend, *e_tmp;
  52         int                     i;
  53         struct monitorentrypriv *mp;
  54
  55         mi = ( struct monitorinfo * )be->be_private;
  56
  57         if ( monitor_cache_get( mi,
  58                                 &monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn,
  59                                 &e_backend ) ) {
  60 #ifdef NEW_LOGGING
  61                 LDAP_LOG( OPERATION, CRIT,
  62                         "monitor_subsys_backend_init: "
  63                         "unable to get entry '%s'\n",
  64                         monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val, 0, 0 );
  65 #else
  66                 Debug( LDAP_DEBUG_ANY,
  67                         "monitor_subsys_backend_init: "
  68                         "unable to get entry '%s'\n%s%s",
  69                         monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val,
  70                         "", "" );
  71 #endif
  72                 return( -1 );
  73         }
  74
  75         e_tmp = NULL;
  76         for ( i = nBackendInfo; i--; ) {
  77                 char            buf[ BACKMONITOR_BUFSIZE ];
  78                 BackendInfo     *bi;
  79                 struct berval   bv;
  80                 int             j;
  81
  82                 bi = &backendInfo[i];
  83
  84                 snprintf( buf, sizeof( buf ),
  85                                 "dn: cn=Backend %d,%s\n"
  86                                 "objectClass: %s\n"
  87                                 "structuralObjectClass: %s\n"
  88                                 "cn: Backend %d\n",
  89                                 i,
  90                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_dn.bv_val,
  91                                 mi->oc_monitoredObject->soc_cname.bv_val,
  92                                 mi->oc_monitoredObject->soc_cname.bv_val,
  93                                 i );
  94
  95                 e = str2entry( buf );
  96                 if ( e == NULL ) {
  97 #ifdef NEW_LOGGING
  98                         LDAP_LOG( OPERATION, CRIT,
  99                                 "monitor_subsys_backend_init: "
 100                                 "unable to create entry 'cn=Backend %d,%s'\n",
 101                                 i, monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val, 0 );
 102 #else
 103                         Debug( LDAP_DEBUG_ANY,
 104                                 "monitor_subsys_backend_init: "
 105                                 "unable to create entry 'cn=Backend %d,%s'\n%s",
 106                                 i,
 107                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val,
 108                                 "" );
 109 #endif
 110                         return( -1 );
 111                 }
 112
 113                 bv.bv_val = bi->bi_type;
 114                 bv.bv_len = strlen( bv.bv_val );
 115
 116                 attr_merge_normalize_one( e, mi->ad_monitoredInfo,
 117                                 &bv, NULL );
 118                 attr_merge_normalize_one( e_backend, mi->ad_monitoredInfo,
 119                                 &bv, NULL );
 120
 121                 if ( bi->bi_controls ) {
 122                         int j;
 123
 124                         for ( j = 0; bi->bi_controls[ j ]; j++ ) {
 125                                 bv.bv_val = bi->bi_controls[ j ];
 126                                 bv.bv_len = strlen( bv.bv_val );
 127                                 attr_merge_one( e, slap_schema.si_ad_supportedControl, &bv, NULL );
 128                         }
 129                 }
 130
 131                 for ( j = 0; j < nBackendDB; j++ ) {
 132                         BackendDB       *be = &backendDB[j];
 133                         char            buf[ SLAP_LDAPDN_MAXLEN ];
 134                         struct berval   dn;
 135
 136                         if ( be->bd_info != bi ) {
 137                                 continue;
 138                         }
 139
 140                         snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
 141                                         j, monitor_subsys[SLAPD_MONITOR_DATABASE].mss_dn.bv_val );
 142                         dn.bv_val = buf;
 143                         dn.bv_len = strlen( buf );
 144
 145                         attr_merge_normalize_one( e, mi->ad_seeAlso,
 146                                         &dn, NULL );
 147                 }
 148
 149                 mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 150                 e->e_private = ( void * )mp;
 151                 mp->mp_next = e_tmp;
 152                 mp->mp_children = NULL;
 153                 mp->mp_info = &monitor_subsys[SLAPD_MONITOR_BACKEND];
 154                 mp->mp_flags = monitor_subsys[SLAPD_MONITOR_BACKEND].mss_flags
 155                         | MONITOR_F_SUB;
 156
 157                 if ( monitor_cache_add( mi, e ) ) {
 158 #ifdef NEW_LOGGING
 159                         LDAP_LOG( OPERATION, CRIT,
 160                                 "monitor_subsys_backend_init: "
 161                                 "unable to add entry 'cn=Backend %d,%s'\n",
 162                                 i, monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val, 0 );
 163 #else
 164                         Debug( LDAP_DEBUG_ANY,
 165                                 "monitor_subsys_backend_init: "
 166                                 "unable to add entry 'cn=Backend %d,%s'\n%s",
 167                                 i,
 168                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val,
 169                                 "" );
 170 #endif
 171                         return( -1 );
 172                 }
 173
 174                 e_tmp = e;
 175         }
 176
 177         mp = ( struct monitorentrypriv * )e_backend->e_private;
 178         mp->mp_children = e_tmp;
 179
 180         monitor_cache_release( mi, e_backend );
 181
 182         return( 0 );
 183 }
 184