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 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 "../sysinfo.h"

​

#include "zbxregexp.h"

​

#ifdef KERNEL_2_4

#define DEVICE_DIR  "/proc/sys/dev/sensors"

#else

#define DEVICE_DIR  "/sys/class/hwmon"

static const char   *locations[] = {"", "/device", NULL};

#endif

​

static void count_sensor(int do_task, const char *filename, double *aggr, int *cnt)

{

    FILE    *f;

    char    line[MAX_STRING_LEN];

    double  value;

​

    if (NULL == (f = fopen(filename, "r")))

        return;

​

    if (NULL == fgets(line, sizeof(line), f))

    {

        zbx_fclose(f);

        return;

    }

​

    zbx_fclose(f);

​

#ifdef KERNEL_2_4

    if (1 == sscanf(line, "%*f\t%*f\t%lf\n", &value))

    {

#else

    if (1 == sscanf(line, "%lf", &value))

    {

        if (NULL == strstr(filename, "fan"))

            value = value / 1000;

#endif

        (*cnt)++;

​

        switch (do_task)

        {

            case ZBX_DO_ONE:

                *aggr = value;

                break;

            case ZBX_DO_AVG:

                *aggr += value;

                break;

            case ZBX_DO_MAX:

                *aggr = (1 == *cnt ? value : MAX(*aggr, value));