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_UPTIME(AGENT_REQUEST *request, AGENT_RESULT *result)

{

#if defined(HAVE_SYSINFO_UPTIME)

    struct sysinfo info;

​

    if (0 == sysinfo(&info))

    {

        SET_UI64_RESULT(result, info.uptime);

        return SYSINFO_RET_OK;

    }

    else

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s", zbx_strerror(errno)));

        return SYSINFO_RET_FAIL;

    }

#elif defined(HAVE_FUNCTION_SYSCTL_KERN_BOOTTIME)

    int     mib[2], now;

    size_t      len;

    struct timeval  uptime;

​

    mib[0] = CTL_KERN;

    mib[1] = KERN_BOOTTIME;

​

    len = sizeof(uptime);

​

    if (0 != sysctl(mib, 2, &uptime, &len, NULL, 0))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s", zbx_strerror(errno)));

        return SYSINFO_RET_FAIL;

    }

​

    now = time(NULL);

​

    SET_UI64_RESULT(result, now - uptime.tv_sec);

​

    return SYSINFO_RET_OK;

#else

    SET_MSG_RESULT(result, zbx_strdup(NULL, "Agent was compiled without support for uptime information."));

    return SYSINFO_RET_FAIL;

#endif

}