private async Task ProcessQueue(Stream stream)
{
while (true)
{
await Task.WhenAny(DataAvailableEvent.WaitOneAsync(), StopEvent.WaitOneAsync());
if (!StopEvent.WaitOne(0))
{
byte[] data;
if (!DataQueue.TryDequeue(out data))
{
Logger.Trace("Unable to deque element from Queue due to concurrency access");
}
if (DataQueue.IsEmpty)
{
Logger.Trace("Writing queue is empty. Wait for new element...");
DataAvailableEvent.Reset();
}
try
{
Logger.Trace("Write queue element {0}", data.GetHashCode());
await stream.WriteAsync(data, 0, data.Length);
}
catch (Exception e)
{
Logger.Debug(e, "Unable to send data");
QueueData(data);
break;
}
}
else
{
Logger.Trace("Queue is stopped");
StopEvent.Reset();
break;
}
}
}
public async Task <T> Dequeue(TimeSpan?timeout = null)
{
if (!await WaitHandle.WaitOneAsync(timeout).ConfigureAwait(false))
{
throw new TimeoutException("Unable to dequeue element. Timeout has reached");
}
T value;
if (!Queue.TryDequeue(out value))
{
return(await Dequeue(timeout));
}
if (Queue.IsEmpty)
{
DataAvailableEvent.Reset();
}
return(value);
}