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/*
** Zabbix
** Copyright (C) 2001-2013 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"
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
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))
return SYSINFO_RET_FAIL;
now = time(NULL);
SET_UI64_RESULT(result, now - uptime.tv_sec);
return SYSINFO_RET_OK;
#elif defined(HAVE_KSTAT_H) /* Solaris */
kstat_ctl_t *kc;
kstat_t *kp;
kstat_named_t *kn;
long hz;
long secs;
/* open kstat */
kc = kstat_open();
if (0 == kc)
return SYSINFO_RET_FAIL;
/* read uptime counter */
kp = kstat_lookup(kc, "unix", 0, "system_misc");
if (0 == kp)
{
kstat_close(kc);
return SYSINFO_RET_FAIL;
}
if (-1 == kstat_read(kc, kp, 0))
{
kstat_close(kc);
return SYSINFO_RET_FAIL;
}
kn = (kstat_named_t*)kstat_data_lookup(kp, "clk_intr");
hz = sysconf(_SC_CLK_TCK);
/* make sure we do not divide by 0 */
assert(hz);
secs = kn->value.ul / hz;
/* close kstat */
kstat_close(kc);
SET_UI64_RESULT(result, secs);
return SYSINFO_RET_OK;
#else
return SYSINFO_RET_FAIL;
#endif
}
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