Zabbix

/*

** Zabbix

** Copyright (C) 2001-2024 Zabbix SIA

**

** 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; either version 2 of the License, or

** (at your option) any later version.

**

** 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "perfstat.h"

​

#include "stats.h"

#include "log.h"

#include "zbxmutexs.h"

#include "zbxsysinfo.h"

#include "zbxstr.h"

​

#define OBJECT_CACHE_REFRESH_INTERVAL   60

#define NAMES_UPDATE_INTERVAL       60

​

struct object_name_ref

{

    char        *eng_name;

    wchar_t     *loc_name;

};

​

typedef struct

{

    zbx_perf_counter_data_t *pPerfCounterList;

    PDH_HQUERY      pdh_query;

    time_t          lastrefresh_objects;    /* last refresh time of object cache */

    time_t          lastupdate_names;   /* last update time of object names */

}

ZBX_PERF_STAT_DATA;

​

static ZBX_PERF_STAT_DATA   ppsd;

static zbx_mutex_t      perfstat_access = ZBX_MUTEX_NULL;

​

static struct object_name_ref   *object_names = NULL;

static int          object_num = 0;

​

#define LOCK_PERFCOUNTERS   zbx_mutex_lock(perfstat_access)

#define UNLOCK_PERFCOUNTERS zbx_mutex_unlock(perfstat_access)

​

static int  perf_collector_started(void)

{

    return (NULL != ppsd.pdh_query ? SUCCEED : FAIL);

}

​

/******************************************************************************

 *                                                                            *

 * Comments: counter failed or disappeared, dismiss all previous values       *

 *                                                                            *