本文实例讲述了C#实现的UDP收发请求工具类。分享给大家供大家参考，具体如下：
初始化：
ListeningPort = int .Parse(ConfigurationManager.AppSettings[ "ListeningPort" ]);
SendingPort = int .Parse(ConfigurationManager.AppSettings[ "SendingPort" ]);
SendingIp = ConfigurationManager.AppSettings[ "SendingIp" ];
监听：
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###########" );
});
}
发送：
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);
}
}
希望本文所述对大家C#程序设计有所帮助。
dy("nrwz");
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