Zabbix

/*

** 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 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 "common.h"

#include "sysinfo.h"

#include "log.h"

​

int SYSTEM_BOOTTIME(AGENT_REQUEST *request, AGENT_RESULT *result)

{

    FILE        *f;

    char        buf[MAX_STRING_LEN];

    int     ret = SYSINFO_RET_FAIL;

    unsigned long   value;

​

    ZBX_UNUSED(request);

​

    if (NULL == (f = fopen("/proc/stat", "r")))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot open /proc/stat: %s", zbx_strerror(errno)));

        return ret;

    }

​

    /* find boot time entry "btime [boot time]" */

    while (NULL != fgets(buf, MAX_STRING_LEN, f))

    {

        if (1 == sscanf(buf, "btime %lu", &value))

        {

            SET_UI64_RESULT(result, value);

​

            ret = SYSINFO_RET_OK;

​

            break;

        }

    }

    zbx_fclose(f);

​

    if (SYSINFO_RET_FAIL == ret)

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot find a line with \"btime\" in /proc/stat."));

​

    return ret;

}