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

   1 /* backend.c - deals with backend 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
  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", LDAP_LEVEL_CRIT,
  62                         "monitor_subsys_backend_init: "
  63                         "unable to get entry '%s'\n",
  64                         monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val ));
  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[ 2 ];
  80
  81                 bi = &backendInfo[i];
  82
  83                 snprintf( buf, sizeof( buf ),
  84                                 "dn: cn=Backend %d,%s\n"
  85                                 SLAPD_MONITOR_OBJECTCLASSES
  86                                 "cn: Backend %d\n",
  87                                 i,
  88                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_dn.bv_val,
  89                                 i );
  90
  91                 e = str2entry( buf );
  92                 if ( e == NULL ) {
  93 #ifdef NEW_LOGGING
  94                         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
  95                                 "monitor_subsys_backend_init: "
  96                                 "unable to create entry 'cn=Backend %d,%s'\n",
  97                                 i,
  98                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val ));
  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[0].bv_val = bi->bi_type;
 111                 bv[0].bv_len = strlen( bv[0].bv_val );
 112                 bv[1].bv_val = NULL;
 113
 114                 attr_merge( e, monitor_ad_desc, bv );
 115                 attr_merge( e_backend, monitor_ad_desc, bv );
 116
 117                 mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 118                 e->e_private = ( void * )mp;
 119                 mp->mp_next = e_tmp;
 120                 mp->mp_children = NULL;
 121                 mp->mp_info = &monitor_subsys[SLAPD_MONITOR_BACKEND];
 122                 mp->mp_flags = monitor_subsys[SLAPD_MONITOR_BACKEND].mss_flags
 123                         | MONITOR_F_SUB;
 124
 125                 if ( monitor_cache_add( mi, e ) ) {
 126 #ifdef NEW_LOGGING
 127                         LDAP_LOG(( "operation", LDAP_LEVEL_CRIT,
 128                                 "monitor_subsys_backend_init: "
 129                                 "unable to add entry 'cn=Backend %d,%s'\n",
 130                                 i,
 131                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val ));
 132 #else
 133                         Debug( LDAP_DEBUG_ANY,
 134                                 "monitor_subsys_backend_init: "
 135                                 "unable to add entry 'cn=Backend %d,%s'\n%s",
 136                                 i,
 137                                 monitor_subsys[SLAPD_MONITOR_BACKEND].mss_ndn.bv_val,
 138                                 "" );
 139 #endif
 140                         return( -1 );
 141                 }
 142
 143                 e_tmp = e;
 144         }
 145
 146         mp = ( struct monitorentrypriv * )e_backend->e_private;
 147         mp->mp_children = e_tmp;
 148
 149         monitor_cache_release( mi, e_backend );
 150
 151         return( 0 );
 152 }
 153