C# UDP 송수신 요청 도구 클래스 소개

초기화:

ListeningPort = int.Parse(ConfigurationManager.AppSettings["ListeningPort"]);
SendingPort = int.Parse(ConfigurationManager.AppSettings["SendingPort"]);
SendingIp = ConfigurationManager.AppSettings["SendingIp"];

듣기:

public static void Listen()
        {
            Task.Run(() =>
            {
                var done = false;
                var listener = new UdpClient(ListeningPort);
                var groupEP = new IPEndPoint(IPAddress.Any, ListeningPort);
                string received_data;
                byte[] receive_byte_array;
                try
                {
                    _log.Error("############Service started###########");
                    while (true)
                    {
                        receive_byte_array = listener.Receive(ref groupEP);
                        Console.WriteLine("Received a broadcast from {0}", groupEP.ToString());
                        received_data = Encoding.UTF8.GetString(receive_byte_array, 0, receive_byte_array.Length);


                        ParseCommand(received_data);
                    }
                }
                catch (Exception e)
                {
                    _log.Error(e);
                    Console.WriteLine(e.ToString());
                }


                _log.Error("############Service stopped###########");
            });
        }

보내기:

public static void SendCommand(string xmlCmd)
        {
            try
            {
                var sending_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
                var sending_end_point = new IPEndPoint(IPAddress.Parse(SendingIp), SendingPort);
                var send_buffer = Encoding.UTF8.GetBytes(xmlCmd);
                sending_socket.SendTo(send_buffer, sending_end_point);
                _log.Info("[COMMAND SENT] : " + xmlCmd);
            }
            catch (Exception ex)
            {
                _log.Error(ex);
            }
        }

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