服务器的socket编程UDP协议,C#编程 socket编程之udp服务器端和客户端-.net
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace _023_socket编程_UDP协议_服务器端 {
class Program
{
private static Socket udpServer;
static void Main(string[] args) {
//1,创建socket
udpServer = new Socket (AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
//2,绑定ip跟端口号
udpServer.Bind( new IPEndPoint ( IPAddress.Parse("192.168.1.101")
,7788 ) );
//3,接收数据
new Thread(ReceiveMessage){ IsBackground = true}.Start();
Console.WriteLine("服务器启动...");
Console.ReadKey();
}
static void ReceiveMessage()
{
while (true)
{
EndPoint remoteEndPoint = new IPEndPoint(IPAddress.Any,
0);
byte[] data = new byte[1024];
int length = udpServer.ReceiveFrom (data, ref
remoteEndPoint);//这个方法会把数据的来源(ip:port)放到第二个参数上
string message = Encoding.UTF8.GetString(data,
0, length);
Console.WriteLine("从ip:" + (remoteEndPoint
as IPEndPoint).Address.ToString() + ":"
+ (remoteEndPoint as IPEndPoint).Port + "收到了数据:"
+ message);
}
}
}
}