public long timeout_us(long us, Action handler)
{
Debug.Assert(_strand.running_in_this_thread() && null == _handler && null != handler, "不正确的 timeout_us 调用!");
_isInterval = false;
_handler = handler;
_strand.hold_work();
long nowus = _utcMode ? utc_tick.get_tick_us() : system_tick.get_tick_us();
begin_timer(nowus, us > 0 ? nowus + us : nowus, us > 0 ? us : 0);
return(nowus);
}
public long timeout_us(long us, Action handler)
{
Debug.Assert(_strand.running_in_this_thread() && null == _handler && null != handler, "不正确的 timeout_us 调用!");
_isInterval = false;
_handler = handler;
_strand.hold_work();
_beginTick = _utcMode ? utc_tick.get_tick_us() : system_tick.get_tick_us();
if (0 < us)
{
begin_timer(_beginTick + us, us);
}
else
{
tick_timer(_beginTick);
}
return(_beginTick);
}
private void begin_timer(long tick, long dueTime, int period)
{
if (null == _timer)
{
_strand.hold_work();
}
_timer = new Timer(delegate(object state)
{
_strand.post(delegate()
{
if ((int)state == _timerCount)
{
_beginTick = 0;
_onTopCall = true;
if (_isInterval)
{
functional.func handler = _handler;
handler();
if ((int)state == _timerCount)
{
tick += period;
dueTime = tick - system_tick.get_tick_ms();
begin_timer(tick, dueTime > 0 ? dueTime : 0, period);
}
}
else
{
functional.func handler = _handler;
_handler = null;
_timer = null;
_strand.release_work();
handler();
}
_onTopCall = false;
}
});
}, _timerCount, dueTime, 0);
}