openldap/servers/slapd/back-monitor/thread.c

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/* thread.c - deal with thread subsystem */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
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* Copyright 2001-2005 The OpenLDAP Foundation.
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* 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 "slap.h"
#include "back-monitor.h"
/*
* * initializes log subentry
* */
int
monitor_subsys_thread_init(
BackendDB *be,
monitor_subsys_t *ms
)
{
monitor_info_t *mi;
monitor_entry_t *mp;
Entry *e, **ep, *e_thread;
static char buf[ BACKMONITOR_BUFSIZE ];
mi = ( monitor_info_t * )be->be_private;
if ( monitor_cache_get( mi, &ms->mss_ndn, &e_thread ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_thread_init: unable to get entry \"%s\"\n",
ms->mss_ndn.bv_val,
0, 0 );
return( -1 );
}
mp = ( monitor_entry_t * )e_thread->e_private;
mp->mp_children = NULL;
ep = &mp->mp_children;
/*
* Max
*/
snprintf( buf, sizeof( buf ),
"dn: cn=Max,%s\n"
"objectClass: %s\n"
"structuralObjectClass: %s\n"
"cn: Max\n"
"%s: %d\n"
"creatorsName: %s\n"
"modifiersName: %s\n"
"createTimestamp: %s\n"
"modifyTimestamp: %s\n",
ms->mss_dn.bv_val,
mi->mi_oc_monitoredObject->soc_cname.bv_val,
mi->mi_oc_monitoredObject->soc_cname.bv_val,
mi->mi_ad_monitoredInfo->ad_cname.bv_val,
connection_pool_max,
mi->mi_creatorsName.bv_val,
mi->mi_creatorsName.bv_val,
mi->mi_startTime.bv_val,
mi->mi_startTime.bv_val );
e = str2entry( buf );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_thread_init: "
"unable to create entry \"cn=Max,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
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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_thread_init: "
"unable to add entry \"cn=Max,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
/*
* Backload
*/
snprintf( buf, sizeof( buf ),
"dn: cn=Backload,%s\n"
"objectClass: %s\n"
"structuralObjectClass: %s\n"
"cn: Backload\n"
"%s: 0\n"
"creatorsName: %s\n"
"modifiersName: %s\n"
"createTimestamp: %s\n"
"modifyTimestamp: %s\n",
ms->mss_dn.bv_val,
mi->mi_oc_monitoredObject->soc_cname.bv_val,
mi->mi_oc_monitoredObject->soc_cname.bv_val,
mi->mi_ad_monitoredInfo->ad_cname.bv_val,
mi->mi_creatorsName.bv_val,
mi->mi_creatorsName.bv_val,
mi->mi_startTime.bv_val,
mi->mi_startTime.bv_val );
e = str2entry( buf );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_thread_init: "
"unable to create entry \"cn=Backload,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
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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_thread_init: "
"unable to add entry \"cn=Backload,%s\"\n",
ms->mss_ndn.bv_val, 0, 0 );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
monitor_cache_release( mi, e_thread );
return( 0 );
}
int
monitor_subsys_thread_update(
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Operation *op,
Entry *e
)
{
monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
Attribute *a;
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char buf[ BACKMONITOR_BUFSIZE ];
static struct berval backload_bv = BER_BVC( "cn=backload" );
struct berval rdn;
ber_len_t len;
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assert( mi != NULL );
dnRdn( &e->e_nname, &rdn );
if ( !dn_match( &rdn, &backload_bv ) ) {
return 0;
}
a = attr_find( e->e_attrs, mi->mi_ad_monitoredInfo );
if ( a == NULL ) {
return -1;
}
snprintf( buf, sizeof( buf ), "%d",
ldap_pvt_thread_pool_backload( &connection_pool ) );
len = strlen( buf );
if ( len > a->a_vals[ 0 ].bv_len ) {
a->a_vals[ 0 ].bv_val = ber_memrealloc( a->a_vals[ 0 ].bv_val, len + 1 );
}
a->a_vals[ 0 ].bv_len = len;
AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );
/* FIXME: touch modifyTimestamp? */
return( 0 );
}