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 2001-2007 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 static int
  35 monitor_subsys_time_update(
  36         Operation               *op,
  37         SlapReply               *rs,
  38         Entry                   *e );
  39
  40 int
  41 monitor_subsys_time_init(
  42         BackendDB               *be,
  43         monitor_subsys_t        *ms )
  44 {
  45         monitor_info_t  *mi;
  46
  47         Entry           *e, **ep, *e_time;
  48         monitor_entry_t *mp;
  49         char            buf[ BACKMONITOR_BUFSIZE ];
  50
  51         assert( be != NULL );
  52
  53         ms->mss_update = monitor_subsys_time_update;
  54
  55         mi = ( monitor_info_t * )be->be_private;
  56
  57         if ( monitor_cache_get( mi,
  58                         &ms->mss_ndn, &e_time ) ) {
  59                 Debug( LDAP_DEBUG_ANY,
  60                         "monitor_subsys_time_init: "
  61                         "unable to get entry \"%s\"\n",
  62                         ms->mss_ndn.bv_val, 0, 0 );
  63                 return( -1 );
  64         }
  65
  66         mp = ( monitor_entry_t * )e_time->e_private;
  67         mp->mp_children = NULL;
  68         ep = &mp->mp_children;
  69
  70         snprintf( buf, sizeof( buf ),
  71                         "dn: cn=Start,%s\n"
  72                         "objectClass: %s\n"
  73                         "structuralObjectClass: %s\n"
  74                         "cn: Start\n"
  75                         "%s: %s\n"
  76                         "creatorsName: %s\n"
  77                         "modifiersName: %s\n"
  78                         "createTimestamp: %s\n"
  79                         "modifyTimestamp: %s\n",
  80                         ms->mss_dn.bv_val,
  81                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  82                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  83                         mi->mi_ad_monitorTimestamp->ad_cname.bv_val,
  84                         mi->mi_startTime.bv_val,
  85                         mi->mi_creatorsName.bv_val,
  86                         mi->mi_creatorsName.bv_val,
  87                         mi->mi_startTime.bv_val,
  88                         mi->mi_startTime.bv_val );
  89
  90         e = str2entry( buf );
  91         if ( e == NULL ) {
  92                 Debug( LDAP_DEBUG_ANY,
  93                         "monitor_subsys_time_init: "
  94                         "unable to create entry \"cn=Start,%s\"\n",
  95                         ms->mss_ndn.bv_val, 0, 0 );
  96                 return( -1 );
  97         }
  98
  99         mp = monitor_entrypriv_create();
 100         if ( mp == NULL ) {
 101                 return -1;
 102         }
 103         e->e_private = ( void * )mp;
 104         mp->mp_info = ms;
 105         mp->mp_flags = ms->mss_flags \
 106                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 107
 108         if ( monitor_cache_add( mi, e ) ) {
 109                 Debug( LDAP_DEBUG_ANY,
 110                         "monitor_subsys_time_init: "
 111                         "unable to add entry \"cn=Start,%s\"\n",
 112                         ms->mss_ndn.bv_val, 0, 0 );
 113                 return( -1 );
 114         }
 115
 116         *ep = e;
 117         ep = &mp->mp_next;
 118
 119         /*
 120          * Current
 121          */
 122         snprintf( buf, sizeof( buf ),
 123                         "dn: cn=Current,%s\n"
 124                         "objectClass: %s\n"
 125                         "structuralObjectClass: %s\n"
 126                         "cn: Current\n"
 127                         "%s: %s\n"
 128                         "creatorsName: %s\n"
 129                         "modifiersName: %s\n"
 130                         "createTimestamp: %s\n"
 131                         "modifyTimestamp: %s\n",
 132                         ms->mss_dn.bv_val,
 133                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 134                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 135                         mi->mi_ad_monitorTimestamp->ad_cname.bv_val,
 136                         mi->mi_startTime.bv_val,
 137                         mi->mi_creatorsName.bv_val,
 138                         mi->mi_creatorsName.bv_val,
 139                         mi->mi_startTime.bv_val,
 140                         mi->mi_startTime.bv_val );
 141
 142         e = str2entry( buf );
 143         if ( e == NULL ) {
 144                 Debug( LDAP_DEBUG_ANY,
 145                         "monitor_subsys_time_init: "
 146                         "unable to create entry \"cn=Current,%s\"\n",
 147                         ms->mss_ndn.bv_val, 0, 0 );
 148                 return( -1 );
 149         }
 150
 151         mp = monitor_entrypriv_create();
 152         if ( mp == NULL ) {
 153                 return -1;
 154         }
 155         e->e_private = ( void * )mp;
 156         mp->mp_info = ms;
 157         mp->mp_flags = ms->mss_flags \
 158                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 159
 160         if ( monitor_cache_add( mi, e ) ) {
 161                 Debug( LDAP_DEBUG_ANY,
 162                         "monitor_subsys_time_init: "
 163                         "unable to add entry \"cn=Current,%s\"\n",
 164                         ms->mss_ndn.bv_val, 0, 0 );
 165                 return( -1 );
 166         }
 167
 168         *ep = e;
 169         ep = &mp->mp_next;
 170
 171         monitor_cache_release( mi, e_time );
 172
 173         return( 0 );
 174 }
 175
 176 static int
 177 monitor_subsys_time_update(
 178         Operation               *op,
 179         SlapReply               *rs,
 180         Entry                   *e )
 181 {
 182         monitor_info_t          *mi = ( monitor_info_t * )op->o_bd->be_private;
 183         static struct berval    bv_current = BER_BVC( "cn=current" );
 184         struct berval           rdn;
 185
 186         assert( mi != NULL );
 187         assert( e != NULL );
 188
 189         dnRdn( &e->e_nname, &rdn );
 190
 191         if ( dn_match( &rdn, &bv_current ) ) {
 192                 struct tm       *tm;
 193 #ifdef HAVE_GMTIME_R
 194                 struct tm       tm_buf;
 195 #endif
 196                 char            tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 197                 Attribute       *a;
 198                 ber_len_t       len;
 199                 time_t          currtime;
 200
 201                 currtime = slap_get_time();
 202
 203 #ifndef HAVE_GMTIME_R
 204                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 205 #endif
 206 #ifdef HACK_LOCAL_TIME
 207 # ifdef HAVE_LOCALTIME_R
 208                 tm = localtime_r( &currtime, &tm_buf );
 209 # else
 210                 tm = localtime( &currtime );
 211 # endif /* HAVE_LOCALTIME_R */
 212                 lutil_localtime( tmbuf, sizeof( tmbuf ), tm, -timezone );
 213 #else /* !HACK_LOCAL_TIME */
 214 # ifdef HAVE_GMTIME_R
 215                 tm = gmtime_r( &currtime, &tm_buf );
 216 # else
 217                 tm = gmtime( &currtime );
 218 # endif /* HAVE_GMTIME_R */
 219                 lutil_gentime( tmbuf, sizeof( tmbuf ), tm );
 220 #endif /* !HACK_LOCAL_TIME */
 221 #ifndef HAVE_GMTIME_R
 222                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 223 #endif
 224
 225                 len = strlen( tmbuf );
 226
 227                 a = attr_find( e->e_attrs, mi->mi_ad_monitorTimestamp );
 228                 if ( a == NULL ) {
 229                         return rs->sr_err = LDAP_OTHER;
 230                 }
 231
 232                 assert( len == a->a_vals[ 0 ].bv_len );
 233                 AC_MEMCPY( a->a_vals[ 0 ].bv_val, tmbuf, len );
 234
 235                 /* FIXME: touch modifyTimestamp? */
 236         }
 237
 238         return SLAP_CB_CONTINUE;
 239 }
 240