/// <summary>
        /// Received from a <see cref="IHttpClientContext"/> when a request have been parsed successfully.
        /// </summary>
        /// <param name="source"><see cref="IHttpClientContext"/> that received the request.</param>
        /// <param name="args">The request.</param>
        private void OnRequest(object source, RequestEventArgs args)
        {
            _current = this;
            IHttpClientContext context = (IHttpClientContext)source;
            IHttpRequest       request = args.Request;

            if (_requestQueue.ShouldQueue)
            {
                // Do not use unfinished _requestQueue:
                //_requestQueue.Enqueue(context, request);

                context.Respond("HTTP/1.0", HttpStatusCode.ServiceUnavailable, HttpStatusCode.ServiceUnavailable.ToString(), "Request Queue is full", "text/plain");
                return;
            }

            ProcessRequestWrapper(context, request);

            // no need to lock, if all threads are busy,
            // someone is bound to trigger the thread correctly =)
            // Update: Trigger body does not (yet) have any implementation.
            //_requestQueue.Trigger();
        }
 private void OnRequestReceived(object sender, RequestEventArgs e)
 {
     RequestReceived(sender, e);
 }