/// <see cref="ITimeSource.UnblockHandle"/>
public bool UnblockHandle(TimeHandle handle)
{
handle.Trace("About to unblock this handle");
if (isPaused)
{
this.Trace("Time source is paused - returning false");
return(false);
}
bool result;
using (sync.HighPriority)
{
DebugHelper.Assert(handles.All.Contains(handle), "Unblocking a handle that is not registered");
sync.WaitWhile(() => recentlyUnblockedSlaves.Contains(handle), "Wait until the previous unblocking status is read");
handle.Trace($"Unblocking status: {(!isStarted ? "aborting" : "unblocking")}");
result = isStarted;
if (isStarted)
{
recentlyUnblockedSlaves.Add(handle);
this.Trace($"UnblockHandle: Number of unblocked slaves set to: {recentlyUnblockedSlaves.Count}");
blockingEvent.Set();
}
}
return(result);
}
/// <summary>
/// Disposes this instance.
/// </summary>
public override void Dispose()
{
this.Trace("Disposing...");
base.Dispose();
base.Stop();
lock (locker)
{
TimeHandle?.Dispose();
}
StopDispatcher();
this.Trace("Disposed");
}
/// <see cref="ITimeSource.RegisterSink">
public void RegisterSink(ITimeSink sink)
{
using (sync.HighPriority)
{
var handle = new TimeHandle(this, sink)
{
SourceSideActive = isStarted
};
StopRequested += handle.RequestPause;
handles.Add(handle);
#if DEBUG
this.Trace($"Registering sink ({(sink as IIdentifiable)?.GetDescription()}) in source ({this.GetDescription()}) via handle ({handle.GetDescription()})");
#endif
// assigning TimeHandle to a sink must be done when everything is configured, otherwise a race condition might happen (dispatcher starts its execution when time source and handle are not yet ready)
sink.TimeHandle = handle;
}
}
/// <see cref="ITimeSource.ReportTimeProgress">
public void ReportTimeProgress(TimeHandle h, TimeInterval diff)
{
if (diff.Ticks == 0)
{
return;
}
var currentCommonElapsedTime = handles.CommonElapsedTime;
if (currentCommonElapsedTime > previousElapsedVirtualTime)
{
var timeDiff = currentCommonElapsedTime - previousElapsedVirtualTime;
this.Trace($"Reporting time passed: {timeDiff}");
TimePassed?.Invoke(timeDiff);
previousElapsedVirtualTime = currentCommonElapsedTime;
}
}
