c# 实现简单的socket通信

时间:2023-03-09 03:06:58
c# 实现简单的socket通信

服务端

using System.Net.Sockets;
using System.Net;
using System.Threading;

namespace SocketServer
{
  class Program
  {
    private static byte[] result = new byte[1024];
    private static int myProt = 8885; //端口
    static Socket serverSocket;
    static void Main(string[] args)
    {
      //服务器IP地址
      IPAddress ip = IPAddress.Parse("127.0.0.1"); //这里填0.0.0.0
      serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
      serverSocket.Bind(new IPEndPoint(ip, myProt)); //绑定IP地址:端口
      serverSocket.Listen(10); //设定最多10个排队连接请求
      Console.WriteLine("启动监听{0}成功", serverSocket.LocalEndPoint.ToString());
      //通过Clientsoket发送数据
      Thread myThread = new Thread(ListenClientConnect);
      myThread.Start();
      Console.ReadLine();
    }

    /// <summary>
    /// 监听客户端连接
    /// </summary>
    private static void ListenClientConnect()
    {
      while (true)
      {
        Socket clientSocket = serverSocket.Accept();
        clientSocket.Send(Encoding.ASCII.GetBytes("Server Say Hello"));
        Thread receiveThread = new Thread(ReceiveMessage);
        receiveThread.Start(clientSocket);
      }
    }

    /// <summary>
    /// 接收消息
    /// </summary>
    /// <param name="clientSocket"></param>
    private static void ReceiveMessage(object clientSocket)
    {
      Socket myClientSocket = (Socket)clientSocket;
      while (true)
      {
        try
        {
        //通过clientSocket接收数据
        int receiveNumber = myClientSocket.Receive(result);
        Console.WriteLine("接收客户端{0}消息{1}", myClientSocket.RemoteEndPoint.ToString(), Encoding.ASCII.GetString(result, 0, receiveNumber));
        }
        catch(Exception ex)
        {
          Console.WriteLine(ex.Message);
          myClientSocket.Shutdown(SocketShutdown.Both);
          myClientSocket.Close();
          break;
        }
      }
    }    
  }
}

客户端

using System.Net;
using System.Net.Sockets;
using System.Threading;

namespace SocketClient
{
  class Program
  {
    private static byte[] result = new byte[1024];
    static void Main(string[] args)
    {
      //设定服务器IP地址
      IPAddress ip = IPAddress.Parse("123.56.163.2");
      Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
      try
      {
        clientSocket.Connect(new IPEndPoint(ip, 11000)); //配置服务器IP与端口
        Console.WriteLine("连接服务器成功");
      }
      catch(Exception ex)
      {
        Console.WriteLine(ex.Message);
        Console.WriteLine("连接服务器失败,请按回车键退出!");
        Console.Read();
        return;
      }

      //通过clientSocket接收数据
      int receiveLength = clientSocket.Receive(result);
      Console.WriteLine("接收服务器消息:{0}", Encoding.ASCII.GetString(result, 0, receiveLength));
      //通过 clientSocket 发送数据
      for (int i = 0; i < 10; i++)
      {
        try
        {
          Thread.Sleep(1000); //等待1秒钟
          string sendMessage = "client send Message Hellp" + DateTime.Now;
          clientSocket.Send(Encoding.ASCII.GetBytes(sendMessage));
          Console.WriteLine("向服务器发送消息:{0}" + sendMessage);
        }
        catch
        {
          clientSocket.Shutdown(SocketShutdown.Both);
          clientSocket.Close();
          break;
        }
      }
      Console.WriteLine("发送完毕,按回车键退出");
      Console.ReadLine();
    }
  }
}