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[1024];
  78                 BackendInfo     *bi;
  79                 struct berval   bv, nbv;
  80                 int             rc;
  81
  82                 bi = &backendInfo[i];
  83
  84                 snprintf( buf, sizeof( buf ),
  85                                 "dn: cn=Backend %d,%s\n"
  86                                 SLAPD_MONITOR_OBJECTCLASSES
  87                                 "cn: Backend %d\n",
  88                                 i,
  89                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_dn.bv_val,
  90                                 i );
  91
  92                 e = str2entry( buf );
  93                 if ( e == NULL ) {
  94 #ifdef NEW_LOGGING
  95                         LDAP_LOG( OPERATION, CRIT,
  96                                 "monitor_subsys_backend_init: "
  97                                 "unable to create entry 'cn=Backend %d,%s'\n",
  98                                 i, monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val, 0 );
  99 #else
 100                         Debug( LDAP_DEBUG_ANY,
 101                                 "monitor_subsys_backend_init: "
 102                                 "unable to create entry 'cn=Backend %d,%s'\n%s",
 103                                 i,
 104                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val,
 105                                 "" );
 106 #endif
 107                         return( -1 );
 108                 }
 109
 110                 bv.bv_val = bi->bi_type;
 111                 bv.bv_len = strlen( bv.bv_val );
 112
 113                 nbv.bv_val = NULL;
 114                 if ( monitor_ad_normalize ) {
 115                         rc = monitor_ad_normalize(
 116                                         0,
 117                                         monitor_ad_desc->ad_type->sat_syntax,
 118                                         monitor_ad_desc->ad_type->sat_equality,
 119                                         &bv, &nbv );
 120                         if ( rc ) {
 121                                 return( -1 );
 122                         }
 123                 }
 124
 125                 attr_merge_one( e, monitor_ad_desc, &bv,
 126                                 nbv.bv_val ? &nbv : NULL );
 127                 attr_merge_one( e_backend, monitor_ad_desc, &bv,
 128                                 nbv.bv_val ? &nbv : NULL );
 129                 ch_free( nbv.bv_val );
 130
 131                 if ( bi->bi_controls ) {
 132                         int j;
 133
 134                         for ( j = 0; bi->bi_controls[ j ]; j++ ) {
 135                                 bv.bv_val = bi->bi_controls[ j ];
 136                                 bv.bv_len = strlen( bv.bv_val );
 137                                 attr_merge_one( e, slap_schema.si_ad_supportedControl, &bv, NULL );
 138                         }
 139                 }
 140
 141                 mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 142                 e->e_private = ( void * )mp;
 143                 mp->mp_next = e_tmp;
 144                 mp->mp_children = NULL;
 145                 mp->mp_info = &monitor_subsys[SLAPD_MONITOR_BACKEND];
 146                 mp->mp_flags = monitor_subsys[SLAPD_MONITOR_BACKEND].mss_flags
 147                         | MONITOR_F_SUB;
 148
 149                 if ( monitor_cache_add( mi, e ) ) {
 150 #ifdef NEW_LOGGING
 151                         LDAP_LOG( OPERATION, CRIT,
 152                                 "monitor_subsys_backend_init: "
 153                                 "unable to add entry 'cn=Backend %d,%s'\n",
 154                                 i, monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val, 0 );
 155 #else
 156                         Debug( LDAP_DEBUG_ANY,
 157                                 "monitor_subsys_backend_init: "
 158                                 "unable to add entry 'cn=Backend %d,%s'\n%s",
 159                                 i,
 160                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val,
 161                                 "" );
 162 #endif
 163                         return( -1 );
 164                 }
 165
 166                 e_tmp = e;
 167         }
 168
 169         mp = ( struct monitorentrypriv * )e_backend->e_private;
 170         mp->mp_children = e_tmp;
 171
 172         monitor_cache_release( mi, e_backend );
 173
 174         return( 0 );
 175 }
 176