/*
** Zabbix
** Copyright (C) 2001-2021 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 "perfmon.h"
#include "sysinfo.h"

int	SYSTEM_UPTIME(AGENT_REQUEST *request, AGENT_RESULT *result)
{
	char		counter_path[64];
	AGENT_REQUEST	request_tmp;
	int		ret;

	zbx_snprintf(counter_path, sizeof(counter_path), "\\%u\\%u",
			(unsigned int)get_builtin_counter_index(PCI_SYSTEM),
			(unsigned int)get_builtin_counter_index(PCI_SYSTEM_UP_TIME));

	request_tmp.nparam = 1;
	request_tmp.params = zbx_malloc(NULL, request_tmp.nparam * sizeof(char *));
	request_tmp.params[0] = counter_path;

	ret = PERF_COUNTER(&request_tmp, result);

	zbx_free(request_tmp.params);

	if (SYSINFO_RET_FAIL == ret)
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain system information."));
		return SYSINFO_RET_FAIL;
	}

	/* result must be integer to correctly interpret it in frontend (uptime) */
	if (!GET_UI64_RESULT(result))
	{
		SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid result. Unsigned integer is expected."));
		return SYSINFO_RET_FAIL;
	}

	UNSET_RESULT_EXCLUDING(result, AR_UINT64);

	return SYSINFO_RET_OK;
}
