private void StartListener()
        {
            var server = new AsyncNetworkStream(_listener.Accept());
            HandshakeMessage handshake = server.ReceiveHandshake().Result;

            server.SendHandshake(HubId.Generate());

            using (var buffer = new PooledMemoryStream())
            {
                while (true)
                {
                    buffer.Reset();
                    Receive(server, buffer, WireHeader.Size);
                    buffer.Position = 0;
                    WireHeader header = WireHeader.ReadFrom(buffer);
                    //Console.WriteLine($"Received {header.MessageHeader} ({header.PayloadSize.Value.ToString(CultureInfo.InvariantCulture)})");
                    Receive(server, buffer, header.PayloadSize.Value);

                    _serverReceived++;

                    if (_serverReceived == _count + 1)
                    {
                        _allMessagesReceived.Set();
                    }
                }
            }
        }