#include "timer.hh"

/**
 * \author cpellegrino
 */

bool Timer::hasExpiredWrt(Timer const& t) const
{
  if (t.tv_sec > tv_sec)
    return true;

  if (t.tv_sec < tv_sec)
    return false;

  if (t.tv_usec > tv_usec)
    return true;

  return false;
}

bool Timer::hasExpired() const
{
  Timer const t(0, 0);
  return Timer::hasExpiredWrt(t);
}

void Timer::set(long int seconds, long int useconds)
{
  static const int usec_in_a_sec = 1000000;

  gettimeofday(this, 0);

  tv_sec  +=  seconds;
  tv_usec += useconds;
  tv_sec  += (tv_usec) / usec_in_a_sec;
  tv_usec %= usec_in_a_sec;
}