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/* time.c - deal with time subsystem */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2001-2022 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Pierangelo Masarati for inclusion
* in OpenLDAP Software.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/time.h>
#include "slap.h"
#include <lutil.h>
#include "proto-slap.h"
#include "back-monitor.h"
static int
monitor_subsys_time_update(
Operation *op,
SlapReply *rs,
Entry *e );
int
monitor_subsys_time_init(
BackendDB *be,
monitor_subsys_t *ms )
{
monitor_info_t *mi;
Entry *e, **ep, *e_time;
monitor_entry_t *mp;
struct berval bv, value;
assert( be != NULL );
ms->mss_update = monitor_subsys_time_update;
mi = ( monitor_info_t * )be->be_private;
if ( monitor_cache_get( mi,
&ms->mss_ndn, &e_time ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_time_init: "
"unable to get entry \"%s\"\n",
ms->mss_ndn.bv_val );
return( -1 );
}
mp = ( monitor_entry_t * )e_time->e_private;
mp->mp_children = NULL;
ep = &mp->mp_children;
BER_BVSTR( &bv, "cn=Start" );
e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
mi->mi_oc_monitoredObject, NULL, NULL );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_time_init: "
"unable to create entry \"%s,%s\"\n",
bv.bv_val, ms->mss_ndn.bv_val );
return( -1 );
}
attr_merge_normalize_one( e, mi->mi_ad_monitorTimestamp,
&mi->mi_startTime, NULL );
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return -1;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = ms->mss_flags \
| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
if ( monitor_cache_add( mi, e ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_time_init: "
"unable to add entry \"%s,%s\"\n",
bv.bv_val, ms->mss_ndn.bv_val );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
/*
* Current
*/
BER_BVSTR( &bv, "cn=Current" );
e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
mi->mi_oc_monitoredObject, NULL, NULL );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_time_init: "
"unable to create entry \"%s,%s\"\n",
bv.bv_val, ms->mss_ndn.bv_val );
return( -1 );
}
attr_merge_normalize_one( e, mi->mi_ad_monitorTimestamp,
&mi->mi_startTime, NULL );
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return -1;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = ms->mss_flags \
| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
if ( monitor_cache_add( mi, e ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_time_init: "
"unable to add entry \"%s,%s\"\n",
bv.bv_val, ms->mss_ndn.bv_val );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
/*
* Uptime
*/
BER_BVSTR( &bv, "cn=Uptime" );
e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
mi->mi_oc_monitoredObject, NULL, NULL );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_time_init: "
"unable to create entry \"%s,%s\"\n",
bv.bv_val, ms->mss_ndn.bv_val );
return( -1 );
}
BER_BVSTR( &value, "0" );
attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
&value, NULL );
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return -1;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = ms->mss_flags \
| MONITOR_F_SUB | MONITOR_F_PERSISTENT;
if ( monitor_cache_add( mi, e ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_time_init: "
"unable to add entry \"%s,%s\"\n",
bv.bv_val, ms->mss_ndn.bv_val );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
monitor_cache_release( mi, e_time );
return( 0 );
}
static int
monitor_subsys_time_update(
Operation *op,
SlapReply *rs,
Entry *e )
{
monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
static struct berval bv_current = BER_BVC( "cn=current" ),
bv_uptime = BER_BVC( "cn=uptime" );
struct berval rdn;
assert( mi != NULL );
assert( e != NULL );
dnRdn( &e->e_nname, &rdn );
if ( dn_match( &rdn, &bv_current ) ) {
struct tm tm;
char tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
Attribute *a;
ber_len_t len;
time_t currtime;
currtime = slap_get_time();
ldap_pvt_gmtime( &currtime, &tm );
lutil_gentime( tmbuf, sizeof( tmbuf ), &tm );
len = strlen( tmbuf );
a = attr_find( e->e_attrs, mi->mi_ad_monitorTimestamp );
if ( a == NULL ) {
return rs->sr_err = LDAP_OTHER;
}
assert( len == a->a_vals[ 0 ].bv_len );
AC_MEMCPY( a->a_vals[ 0 ].bv_val, tmbuf, len );
/* FIXME: touch modifyTimestamp? */
} else if ( dn_match( &rdn, &bv_uptime ) ) {
Attribute *a;
double diff;
char buf[ BACKMONITOR_BUFSIZE ];
struct berval bv;
a = attr_find( e->e_attrs, mi->mi_ad_monitoredInfo );
if ( a == NULL ) {
return rs->sr_err = LDAP_OTHER;
}
diff = difftime( slap_get_time(), starttime );
bv.bv_len = snprintf( buf, sizeof( buf ), "%lu",
(unsigned long) diff );
bv.bv_val = buf;
ber_bvreplace( &a->a_vals[ 0 ], &bv );
if ( a->a_nvals != a->a_vals ) {
ber_bvreplace( &a->a_nvals[ 0 ], &bv );
}
/* FIXME: touch modifyTimestamp? */
}
return SLAP_CB_CONTINUE;
}
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