public async ETTask <bool> WaitAsync(long time, ETCancellationToken cancellationToken = null)
{
if (time == 0)
{
return(true);
}
long tillTime = TimeHelper.ServerNow() + time;
ETTask <bool> tcs = ETTask <bool> .Create(true);
TimerAction timer = this.AddChild <TimerAction, TimerClass, long, int, object>(TimerClass.OnceWaitTimer, time, 0, tcs, true);
this.AddTimer(tillTime, timer);
long timerId = timer.Id;
void CancelAction()
{
if (this.Remove(timerId))
{
tcs.SetResult(false);
}
}
bool ret;
try
{
cancellationToken?.Add(CancelAction);
ret = await tcs;
}
finally
{
cancellationToken?.Remove(CancelAction);
}
return(ret);
}
