/*
   sys/timer.cc
   This file is part of the Osirion project and is distributed under
   the terms and conditions of the GNU General Public License version 2
*/

#include "sys/timer.h"

#include <sys/time.h>

#include <unistd.h>
#include <iostream>

namespace sys
{

Timer::Timer()
{
	reset();
}

Timer::~Timer()
{
}

void Timer::reset()
{
	struct timeval tick;
	struct timezone tick_tz;

	gettimeofday(&tick, &tick_tz);
	timer_start = tick.tv_sec * 1000 + tick.tv_usec / 1000;
}

unsigned long Timer::timestamp() const
{
	struct timeval tick;
	struct timezone tick_tz;

	gettimeofday(&tick, &tick_tz);
	unsigned long delta = (tick.tv_sec * 1000 + tick.tv_usec / 1000) - timer_start;
	
	return delta;
}

}