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 2001-2005 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         monitor_subsys_t        *ms
  38 )
  39 {
  40         monitor_info_t  *mi;
  41
  42         Entry           *e, **ep, *e_time;
  43         monitor_entry_t *mp;
  44         char            buf[ BACKMONITOR_BUFSIZE ];
  45
  46         assert( be != NULL );
  47
  48         mi = ( monitor_info_t * )be->be_private;
  49
  50         if ( monitor_cache_get( mi,
  51                         &ms->mss_ndn, &e_time ) ) {
  52                 Debug( LDAP_DEBUG_ANY,
  53                         "monitor_subsys_time_init: "
  54                         "unable to get entry \"%s\"\n",
  55                         ms->mss_ndn.bv_val, 0, 0 );
  56                 return( -1 );
  57         }
  58
  59         mp = ( monitor_entry_t * )e_time->e_private;
  60         mp->mp_children = NULL;
  61         ep = &mp->mp_children;
  62
  63         snprintf( buf, sizeof( buf ),
  64                         "dn: cn=Start,%s\n"
  65                         "objectClass: %s\n"
  66                         "structuralObjectClass: %s\n"
  67                         "cn: Start\n"
  68                         "%s: %s\n"
  69                         "creatorsName: %s\n"
  70                         "modifiersName: %s\n"
  71                         "createTimestamp: %s\n"
  72                         "modifyTimestamp: %s\n",
  73                         ms->mss_dn.bv_val,
  74                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  75                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  76                         mi->mi_ad_monitorTimestamp->ad_cname.bv_val,
  77                         mi->mi_startTime.bv_val,
  78                         mi->mi_creatorsName.bv_val,
  79                         mi->mi_creatorsName.bv_val,
  80                         mi->mi_startTime.bv_val,
  81                         mi->mi_startTime.bv_val );
  82
  83         e = str2entry( buf );
  84         if ( e == NULL ) {
  85                 Debug( LDAP_DEBUG_ANY,
  86                         "monitor_subsys_time_init: "
  87                         "unable to create entry \"cn=Start,%s\"\n",
  88                         ms->mss_ndn.bv_val, 0, 0 );
  89                 return( -1 );
  90         }
  91
  92         mp = monitor_entrypriv_create();
  93         if ( mp == NULL ) {
  94                 return -1;
  95         }
  96         e->e_private = ( void * )mp;
  97         mp->mp_info = ms;
  98         mp->mp_flags = ms->mss_flags \
  99                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 100
 101         if ( monitor_cache_add( mi, e ) ) {
 102                 Debug( LDAP_DEBUG_ANY,
 103                         "monitor_subsys_time_init: "
 104                         "unable to add entry \"cn=Start,%s\"\n",
 105                         ms->mss_ndn.bv_val, 0, 0 );
 106                 return( -1 );
 107         }
 108
 109         *ep = e;
 110         ep = &mp->mp_next;
 111
 112         /*
 113          * Current
 114          */
 115         snprintf( buf, sizeof( buf ),
 116                         "dn: cn=Current,%s\n"
 117                         "objectClass: %s\n"
 118                         "structuralObjectClass: %s\n"
 119                         "cn: Current\n"
 120                         "%s: %s\n"
 121                         "creatorsName: %s\n"
 122                         "modifiersName: %s\n"
 123                         "createTimestamp: %s\n"
 124                         "modifyTimestamp: %s\n",
 125                         ms->mss_dn.bv_val,
 126                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 127                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 128                         mi->mi_ad_monitorTimestamp->ad_cname.bv_val,
 129                         mi->mi_startTime.bv_val,
 130                         mi->mi_creatorsName.bv_val,
 131                         mi->mi_creatorsName.bv_val,
 132                         mi->mi_startTime.bv_val,
 133                         mi->mi_startTime.bv_val );
 134
 135         e = str2entry( buf );
 136         if ( e == NULL ) {
 137                 Debug( LDAP_DEBUG_ANY,
 138                         "monitor_subsys_time_init: "
 139                         "unable to create entry \"cn=Current,%s\"\n",
 140                         ms->mss_ndn.bv_val, 0, 0 );
 141                 return( -1 );
 142         }
 143
 144         mp = monitor_entrypriv_create();
 145         if ( mp == NULL ) {
 146                 return -1;
 147         }
 148         e->e_private = ( void * )mp;
 149         mp->mp_info = ms;
 150         mp->mp_flags = ms->mss_flags \
 151                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 152
 153         if ( monitor_cache_add( mi, e ) ) {
 154                 Debug( LDAP_DEBUG_ANY,
 155                         "monitor_subsys_time_init: "
 156                         "unable to add entry \"cn=Current,%s\"\n",
 157                         ms->mss_ndn.bv_val, 0, 0 );
 158                 return( -1 );
 159         }
 160
 161         *ep = e;
 162         ep = &mp->mp_next;
 163
 164         monitor_cache_release( mi, e_time );
 165
 166         return( 0 );
 167 }
 168
 169 int
 170 monitor_subsys_time_update(
 171         Operation               *op,
 172         SlapReply               *rs,
 173         Entry                   *e )
 174 {
 175         monitor_info_t          *mi = ( monitor_info_t * )op->o_bd->be_private;
 176         static struct berval    bv_current = BER_BVC( "cn=current" );
 177         struct berval           rdn;
 178
 179         assert( mi );
 180         assert( e );
 181
 182         dnRdn( &e->e_nname, &rdn );
 183
 184         if ( dn_match( &rdn, &bv_current ) ) {
 185                 struct tm       *tm;
 186 #ifdef HAVE_GMTIME_R
 187                 struct tm       tm_buf;
 188 #endif
 189                 char            tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 190                 Attribute       *a;
 191                 ber_len_t       len;
 192                 time_t          currtime;
 193
 194                 currtime = slap_get_time();
 195
 196 #ifndef HAVE_GMTIME_R
 197                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 198 #endif
 199 #ifdef HACK_LOCAL_TIME
 200 # ifdef HAVE_LOCALTIME_R
 201                 tm = localtime_r( &currtime, &tm_buf );
 202 # else
 203                 tm = localtime( &currtime );
 204 # endif /* HAVE_LOCALTIME_R */
 205                 lutil_localtime( tmbuf, sizeof( tmbuf ), tm, -timezone );
 206 #else /* !HACK_LOCAL_TIME */
 207 # ifdef HAVE_GMTIME_R
 208                 tm = gmtime_r( &currtime, &tm_buf );
 209 # else
 210                 tm = gmtime( &currtime );
 211 # endif /* HAVE_GMTIME_R */
 212                 lutil_gentime( tmbuf, sizeof( tmbuf ), tm );
 213 #endif /* !HACK_LOCAL_TIME */
 214 #ifndef HAVE_GMTIME_R
 215                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 216 #endif
 217
 218                 len = strlen( tmbuf );
 219
 220                 a = attr_find( e->e_attrs, mi->mi_ad_monitorTimestamp );
 221                 if ( a == NULL ) {
 222                         return rs->sr_err = LDAP_OTHER;
 223                 }
 224
 225                 assert( len == a->a_vals[ 0 ].bv_len );
 226                 AC_MEMCPY( a->a_vals[ 0 ].bv_val, tmbuf, len );
 227
 228                 /* FIXME: touch modifyTimestamp? */
 229         }
 230
 231         return SLAP_CB_CONTINUE;
 232 }
 233