async void TryAsyncReceive(CancellationToken token, IDisposable parallelOperation)
{
try
{
using (parallelOperation)
using (var context = new TransactionContext())
{
var transportMessage = await ReceiveTransportMessage(token, context);
if (transportMessage == null)
{
context.Dispose();
// no need for another thread to rush in and discover that there is no message
//parallelOperation.Dispose();
_backoffStrategy.WaitNoMessage();
return;
}
_backoffStrategy.Reset();
await ProcessMessage(context, transportMessage);
}
}
catch (TaskCanceledException)
{
// it's fine - just a sign that we are shutting down
}
catch (OperationCanceledException)
{
// it's fine - just a sign that we are shutting down
}
catch (Exception exception)
{
_log.Error(exception, "Unhandled exception in thread pool worker");
}
}