關於C#如何實現的UDP收發請求工具類別的範例程式碼分析

這篇文章主要介紹了C#實現的UDP收發請求工具類,結合具體實例形式分析了C#針對UDP請求的監聽、接收、發送等相關操作技巧,需要的朋友可以參考下

本文實例講述了C#實現的UDP收發請求工具類別。分享給大家參考，具體如下：

初始化：

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

監聽：

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###########");
  });
}

#傳送：

############################## ##

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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