Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "stats.h"

#include "zbxsysinfo.h"

​

#include "zbxlog.h"

#include "zbxtime.h"

#include "zbxmutexs.h"

#include "zbxthreads.h"

​

#ifdef _WINDOWS

#   include "zbxwinservice.h"

#   include "../win32/perfstat/perfstat.h"

#   include "../win32/win32_cpu.h"

/* defined in sysinfo lib */

#else

#   include "zbxnix.h"

#endif

​

static zbx_collector_data   *collector = NULL;

​

int cpu_collector_started(void)

{

#ifdef _WINDOWS

    return ((NULL != collector) && (NULL != collector->cpus.queue_counter));

#else /* not _WINDOWS */

    return (NULL != collector);

#endif

}

​

zbx_collector_data  *get_collector(void)

{

    return collector;

}

​

#ifndef _WINDOWS

int diskdevice_collector_started(void)

{

    return ((NULL != collector) && (ZBX_NONEXISTENT_SHMID != collector->diskstat_shmid));

}

​

static int          shm_id;

static int          my_diskstat_shmid = ZBX_NONEXISTENT_SHMID;

static zbx_diskdevices_data *diskdevices = NULL;

zbx_diskdevices_data    *get_diskdevices(void)

{

    return diskdevices;

}

​

static zbx_mutex_t  diskstats_lock = ZBX_MUTEX_NULL;

​

void    stats_lock_diskstats(void)

{

    zbx_mutex_lock(diskstats_lock);

}

​

void    stats_unlock_diskstats(void)

{

    zbx_mutex_unlock(diskstats_lock);

}

#endif

​

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

 *                                                                            *

 * Purpose: Returns the number of processors which are currently online       *

 *          (i.e., available).                                                *

 *                                                                            *

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

static int  zbx_get_cpu_num(void)

{

#if defined(_WINDOWS)

    return get_cpu_num_win32();

#elif defined(HAVE_SYS_PSTAT_H)

    struct pst_dynamic  psd;

​

    if (-1 == pstat_getdynamic(&psd, sizeof(struct pst_dynamic), 1, 0))

        goto return_one;

​

    return (int)psd.psd_proc_cnt;