protected void AddSourceStream(ISourceStream source_stream)
{
var old = Interlocked.Exchange(ref sourceStream, source_stream);
if (old == null)
{
this.contentHeader = null;
this.contents.Clear();
uptimeTimer.Restart();
}
else
{
old.Dispose();
}
sourceStream.Run().ContinueWith(prev => {
RemoveSourceStream(source_stream, prev.IsFaulted ? StopReason.NotIdentifiedError : prev.Result);
});
}