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

   1 /* time.c - deal with time subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  20  */
  21
  22 #include "portable.h"
  23
  24 #include <stdio.h>
  25 #include <ac/string.h>
  26 #include <ac/time.h>
  27
  28
  29 #include "slap.h"
  30 #include <lutil.h>
  31 #include "proto-slap.h"
  32 #include "back-monitor.h"
  33
  34 int
  35 monitor_subsys_time_init(
  36         BackendDB               *be
  37 )
  38 {
  39         struct monitorinfo      *mi;
  40
  41         Entry                   *e, **ep, *e_time;
  42         struct monitorentrypriv *mp;
  43         char                    buf[ BACKMONITOR_BUFSIZE ];
  44
  45         assert( be != NULL );
  46
  47         mi = ( struct monitorinfo * )be->be_private;
  48
  49         if ( monitor_cache_get( mi,
  50                         &monitor_subsys[SLAPD_MONITOR_TIME].mss_ndn, &e_time ) ) {
  51                 Debug( LDAP_DEBUG_ANY,
  52                         "monitor_subsys_time_init: "
  53                         "unable to get entry \"%s\"\n",
  54                         monitor_subsys[SLAPD_MONITOR_TIME].mss_ndn.bv_val, 0, 0 );
  55                 return( -1 );
  56         }
  57
  58         mp = ( struct monitorentrypriv * )e_time->e_private;
  59         mp->mp_children = NULL;
  60         ep = &mp->mp_children;
  61
  62         snprintf( buf, sizeof( buf ),
  63                         "dn: cn=Start,%s\n"
  64                         "objectClass: %s\n"
  65                         "structuralObjectClass: %s\n"
  66                         "cn: Start\n"
  67                         "%s: %s\n"
  68                         "creatorsName: %s\n"
  69                         "modifiersName: %s\n"
  70                         "createTimestamp: %s\n"
  71                         "modifyTimestamp: %s\n",
  72                         monitor_subsys[SLAPD_MONITOR_TIME].mss_dn.bv_val,
  73                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  74                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  75                         mi->mi_ad_monitorTimestamp->ad_cname.bv_val,
  76                         mi->mi_startTime.bv_val,
  77                         mi->mi_creatorsName.bv_val,
  78                         mi->mi_creatorsName.bv_val,
  79                         mi->mi_startTime.bv_val,
  80                         mi->mi_startTime.bv_val );
  81
  82         e = str2entry( buf );
  83         if ( e == NULL ) {
  84                 Debug( LDAP_DEBUG_ANY,
  85                         "monitor_subsys_time_init: "
  86                         "unable to create entry \"cn=Start,%s\"\n",
  87                         monitor_subsys[SLAPD_MONITOR_TIME].mss_ndn.bv_val, 0, 0 );
  88                 return( -1 );
  89         }
  90
  91         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
  92         e->e_private = ( void * )mp;
  93         mp->mp_next = NULL;
  94         mp->mp_children = NULL;
  95         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_TIME];
  96         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_TIME].mss_flags \
  97                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
  98
  99         if ( monitor_cache_add( mi, e ) ) {
 100                 Debug( LDAP_DEBUG_ANY,
 101                         "monitor_subsys_time_init: "
 102                         "unable to add entry \"cn=Start,%s\"\n",
 103                         monitor_subsys[SLAPD_MONITOR_TIME].mss_ndn.bv_val, 0, 0 );
 104                 return( -1 );
 105         }
 106
 107         *ep = e;
 108         ep = &mp->mp_next;
 109
 110         /*
 111          * Current
 112          */
 113         snprintf( buf, sizeof( buf ),
 114                         "dn: cn=Current,%s\n"
 115                         "objectClass: %s\n"
 116                         "structuralObjectClass: %s\n"
 117                         "cn: Current\n"
 118                         "%s: %s\n"
 119                         "creatorsName: %s\n"
 120                         "modifiersName: %s\n"
 121                         "createTimestamp: %s\n"
 122                         "modifyTimestamp: %s\n",
 123                         monitor_subsys[SLAPD_MONITOR_TIME].mss_dn.bv_val,
 124                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 125                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 126                         mi->mi_ad_monitorTimestamp->ad_cname.bv_val,
 127                         mi->mi_startTime.bv_val,
 128                         mi->mi_creatorsName.bv_val,
 129                         mi->mi_creatorsName.bv_val,
 130                         mi->mi_startTime.bv_val,
 131                         mi->mi_startTime.bv_val );
 132
 133         e = str2entry( buf );
 134         if ( e == NULL ) {
 135                 Debug( LDAP_DEBUG_ANY,
 136                         "monitor_subsys_time_init: "
 137                         "unable to create entry \"cn=Current,%s\"\n",
 138                         monitor_subsys[SLAPD_MONITOR_TIME].mss_ndn.bv_val, 0, 0 );
 139                 return( -1 );
 140         }
 141
 142         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 143         e->e_private = ( void * )mp;
 144         mp->mp_next = NULL;
 145         mp->mp_children = NULL;
 146         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_TIME];
 147         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_TIME].mss_flags \
 148                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 149
 150         if ( monitor_cache_add( mi, e ) ) {
 151                 Debug( LDAP_DEBUG_ANY,
 152                         "monitor_subsys_time_init: "
 153                         "unable to add entry \"cn=Current,%s\"\n",
 154                         monitor_subsys[SLAPD_MONITOR_TIME].mss_ndn.bv_val, 0, 0 );
 155                 return( -1 );
 156         }
 157
 158         *ep = e;
 159         ep = &mp->mp_next;
 160
 161         monitor_cache_release( mi, e_time );
 162
 163         return( 0 );
 164 }
 165
 166 int
 167 monitor_subsys_time_update(
 168         Operation               *op,
 169         Entry                   *e
 170 )
 171 {
 172         struct monitorinfo      *mi =
 173                 (struct monitorinfo *)op->o_bd->be_private;
 174
 175         static struct berval    bv_current = BER_BVC( "cn=current" );
 176         struct berval           rdn;
 177
 178         assert( mi );
 179         assert( e );
 180
 181         dnRdn( &e->e_nname, &rdn );
 182
 183         if ( dn_match( &rdn, &bv_current ) ) {
 184                 struct tm       *tm;
 185 #ifdef HAVE_GMTIME_R
 186                 struct tm       tm_buf;
 187 #endif
 188                 char            tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 189                 Attribute       *a;
 190                 ber_len_t       len;
 191                 time_t          currtime;
 192
 193                 currtime = slap_get_time();
 194
 195 #ifndef HAVE_GMTIME_R
 196                 ldap_pvt_thread_mutex_lock( &SLAPD_GLOBAL(gmtime_mutex) );
 197 #endif
 198 #ifdef HACK_LOCAL_TIME
 199 # ifdef HAVE_LOCALTIME_R
 200                 tm = localtime_r( &currtime, &tm_buf );
 201 # else
 202                 tm = localtime( &currtime );
 203 # endif /* HAVE_LOCALTIME_R */
 204                 lutil_localtime( tmbuf, sizeof( tmbuf ), tm, -timezone );
 205 #else /* !HACK_LOCAL_TIME */
 206 # ifdef HAVE_GMTIME_R
 207                 tm = gmtime_r( &currtime, &tm_buf );
 208 # else
 209                 tm = gmtime( &currtime );
 210 # endif /* HAVE_GMTIME_R */
 211                 lutil_gentime( tmbuf, sizeof( tmbuf ), tm );
 212 #endif /* !HACK_LOCAL_TIME */
 213 #ifndef HAVE_GMTIME_R
 214                 ldap_pvt_thread_mutex_unlock( &SLAPD_GLOBAL(gmtime_mutex) );
 215 #endif
 216
 217                 len = strlen( tmbuf );
 218
 219                 a = attr_find( e->e_attrs, mi->mi_ad_monitorTimestamp );
 220                 if ( a == NULL ) {
 221                         return( -1 );
 222                 }
 223
 224                 assert( len == a->a_vals[0].bv_len );
 225                 AC_MEMCPY( a->a_vals[0].bv_val, tmbuf, len );
 226         }
 227
 228         return( 0 );
 229 }
 230