c#下的Socket网络通信(类库)

来源：互联网发布：中国网络焦点台编辑：程序博客网时间：2024/04/24 06:22

声明：单线程（多线程尚待完善）

环境：VS.NET2005;

界面： dos;

语言：C#

using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;

namespace Server
{
      public class comunicate
      {
          Socket listenSocket;
          IPAddress serverIP;
          IPEndPoint endp;
          public comunicate()
          {
              Console.WriteLine("begin Create Socket......");
              listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
              serverIP = IPAddress.Parse("127.0.0.1");
              endp = new IPEndPoint(serverIP, 2000);
          }
          public void SocketBind()
          {
              Console.WriteLine("begin Bind Socket......");
              listenSocket.Bind(endp);
          }
          public void SocketListen()
          {
              Console.WriteLine("begin Listen......");
              listenSocket.Listen(20);
          }
          public Socket AcceptMethod()
          {
              Console.WriteLine("wait Accept......");
              Socket mSocket = listenSocket.Accept();
              return mSocket;
          }
          public void SendReceiveTest(Socket server)//不能用static
          {

Console.WriteLine("请输入:");

              byte[] msg = Encoding.UTF8.GetBytes(Console.ReadLine());
              byte[] bytes = new byte[256];
              try
              {     //阻塞直到发送返回
                  int byteCount = server.Send(msg, SocketFlags.None);
                  byteCount = server.Receive(bytes, SocketFlags.None);
                  string str1 = Encoding.UTF8.GetString(bytes,0,byteCount);
                  if (byteCount > 0)
                  {
                      Console.WriteLine("已接收：{0}",str1);
                  }

              }
              catch (SocketException e)
              {
                  Console.WriteLine("{0} Error code:{1}.", e.Message, e.ErrorCode);

}
}

          public void SocketClose()
          {
              this.listenSocket.Shutdown(SocketShutdown.Both);
              this.listenSocket.Close();
          }
      }

      }

namespace Client
{
      public class comunicate
      {
          private IPAddress serverIP;
          private IPEndPoint serverFullAddr;
          private Socket sock;

       public comunicate()
       {
        serverIP=IPAddress.Parse("127.0.0.1");
        serverFullAddr = new IPEndPoint(serverIP, 2000);
        sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
       }

          public void SocketConn()
       {
              Console.WriteLine(" begin connect");
              sock.Connect(serverFullAddr);
       }

          public void ReceiveMsg()
          {
              try
              {
                  Console.WriteLine("等待接收");
                  byte[] byteRec = new byte[256];
                  int len = this.sock.Receive(byteRec);
                  string strRec = System.Text.Encoding.UTF8.GetString(byteRec, 0, len);
                  Console.WriteLine("已接收：{0}", strRec);

               }
              catch(Exception ex)
              {
                  Console.WriteLine("Receive Message Error"+ex.Message);
              }
          }
          public void SocketSend()//public?
          {
              Console.WriteLine("回答：");
              byte[] byteSend =
     System.Text.Encoding.UTF8.GetBytes(Console.ReadLine());
              try
              {
                 this.sock.Send(byteSend);
              }
              catch
              {
                  Console.WriteLine("Send Message Error");
              }
          }
         public void SocketClose()
          {
              try
              {
                  this.sock.Shutdown(SocketShutdown.Receive);
                  this.sock.Close();
              }
              catch
              {
                  Console.WriteLine("Exit Error");
              }
          }
      }
}