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/*
** Zabbix
** Copyright (C) 2001-2022 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 "zbxsysinfo.h"
#include "zbx_sysinfo_kstat.h"
#include "log.h"
int SYSTEM_BOOTTIME(AGENT_REQUEST *request, AGENT_RESULT *result)
{
int ret = SYSINFO_RET_FAIL;
#ifdef HAVE_ZONE_H
if (GLOBAL_ZONEID == getzoneid())
{
#endif
kstat_ctl_t *kc;
kstat_t *kp;
kstat_named_t *kn;
if (NULL == (kc = kstat_open()))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot open kernel statistics facility: %s",
zbx_strerror(errno)));
return ret;
}
if (NULL == (kp = kstat_lookup(kc, "unix", 0, "system_misc")))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot look up in kernel statistics facility: %s",
zbx_strerror(errno)));
goto clean;
}
if (-1 == kstat_read(kc, kp, 0))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot read from kernel statistics facility: %s",
zbx_strerror(errno)));
goto clean;
}
if (NULL == (kn = (kstat_named_t *)kstat_data_lookup(kp, "boot_time")))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot look up data in kernel statistics facility:"
" %s", zbx_strerror(errno)));
goto clean;
}
SET_UI64_RESULT(result, get_kstat_numeric_value(kn));
ret = SYSINFO_RET_OK;
clean:
kstat_close(kc);
#ifdef HAVE_ZONE_H
}
else
{
struct utmpx utmpx_local, *utmpx;
utmpx_local.ut_type = BOOT_TIME;
setutxent();
if (NULL != (utmpx = getutxid(&utmpx_local)))
{
SET_UI64_RESULT(result, utmpx->ut_xtime);
ret = SYSINFO_RET_OK;
}
else
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain system boot time."));
endutxent();
}
#endif
return ret;
}
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