public static void Main() { ServerBusiness servBus = new ServerBusiness(); var factory = new ConnectionFactory() { HostName = "localhost" }; using (var connection = factory.CreateConnection()) using (var channel = connection.CreateModel()) { channel.QueueDeclare(queue: "rpc_queue", durable: false, exclusive: false, autoDelete: false, arguments: null); channel.BasicQos(0, 1, false); var consumer = new EventingBasicConsumer(channel); channel.BasicConsume(queue: "rpc_queue", autoAck: false, consumer: consumer); Console.WriteLine("Server Awaiting RPC requests"); consumer.Received += (model, ea) => { string response = null; var body = ea.Body; var props = ea.BasicProperties; var replyProps = channel.CreateBasicProperties(); replyProps.CorrelationId = props.CorrelationId; try { var message = Encoding.UTF8.GetString(body); Console.WriteLine("Client Recieves {0}", message); if (message == "SendCurveNames") { string ExtractedColumns = servBus.ReadCurveNames(message); response = ExtractedColumns; Console.WriteLine("Client Returns {0}", response); } else { string Extractedcurves = servBus.ReadCSV(message); response = Extractedcurves; Console.WriteLine("Client Returns {0}", response); } } catch (Exception e) { Console.WriteLine(" [.] " + e.Message); response = ""; } finally { var responseBytes = Encoding.UTF8.GetBytes(response); channel.BasicPublish(exchange: "", routingKey: props.ReplyTo, basicProperties: replyProps, body: responseBytes); channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false); } }; Console.WriteLine(" Press [enter] to exit."); Console.ReadLine(); } }