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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "slap.h"
#define SLAPD_HOUSEKEEPING_INTERVAL 30 /* seconds */
static PRThread *housekeeping_tid = NULL;
static PRLock *housekeeping_mutex = NULL;
static PRCondVar *housekeeping_cvar = NULL;
static void
housecleaning(void *cur_time)
{
int interval;
interval = PR_SecondsToInterval( SLAPD_HOUSEKEEPING_INTERVAL );
while ( !g_get_shutdown() ) {
/*
* Looks simple, but could potentially take a long time.
*/
be_flushall();
log_access_flush();
if ( g_get_shutdown() ) {
break;
}
PR_Lock( housekeeping_mutex );
PR_WaitCondVar( housekeeping_cvar, interval );
PR_Unlock( housekeeping_mutex );
}
}
PRThread*
housekeeping_start(time_t cur_time, void *arg)
{
static time_t thread_start_time;
if ( housekeeping_tid ) {
return housekeeping_tid;
}
if ( ( housekeeping_mutex = PR_NewLock()) == NULL ) {
slapi_log_error(SLAPI_LOG_FATAL, NULL,
"housekeeping cannot create new lock. "
SLAPI_COMPONENT_NAME_NSPR " error %d (%s)\n",
PR_GetError(), slapd_pr_strerror( PR_GetError() ));
}
else if ( ( housekeeping_cvar = PR_NewCondVar( housekeeping_mutex )) == NULL ) {
slapi_log_error(SLAPI_LOG_FATAL, NULL,
"housekeeping cannot create new condition variable. "
SLAPI_COMPONENT_NAME_NSPR " error %d (%s)\n",
PR_GetError(), slapd_pr_strerror( PR_GetError() ));
}
else {
thread_start_time = cur_time;
if ((housekeeping_tid = PR_CreateThread(PR_USER_THREAD,
(VFP) housecleaning, (void*)&thread_start_time,
PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD,
SLAPD_DEFAULT_THREAD_STACKSIZE)) == NULL) {
slapi_log_error(SLAPI_LOG_FATAL, NULL,
"housekeeping PR_CreateThread failed. "
SLAPI_COMPONENT_NAME_NSPR " error %d (%s)\n",
PR_GetError(), slapd_pr_strerror( PR_GetError() ));
}
}
return housekeeping_tid;
}
void
housekeeping_stop()
{
if ( housekeeping_tid ) {
PR_Lock( housekeeping_mutex );
PR_NotifyCondVar( housekeeping_cvar );
PR_Unlock( housekeeping_mutex );
(void)PR_JoinThread( housekeeping_tid );
}
}
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