浅谈C#Socket
Server代码
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 //添加Socket类 6 using System.Net; 7 using System.Net.Sockets; 8 9 namespace SockeConsoleServer 10 { 11 class Program 12 { 13 static void Main(string[] args) 14 { 15 int port = 8899; 16 string host = "127.0.0.1"; 17 18 //创建终结点 19 IPAddress ip = IPAddress.Parse(host); 20 IPEndPoint ipe = new IPEndPoint(ip,port); 21 22 //创建Socket并开始监听 23 24 Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //创建一个Socket对象，如果用UDP协议，则要用SocketTyype.Dgram类型的套接字 25 s.Bind(ipe); //绑定EndPoint对象(8899端口和ip地址) 26 s.Listen(0); //开始监听（开始监听客户端的连接） 27 28 Console.WriteLine("等待客户端连接"); 29 30 //接受到Client连接，为此连接建立新的Socket，并接受消息 31 Socket temp = s.Accept(); //为新建立的连接创建新的Socket 32 Console.WriteLine("建立连接"); 33 string recvStr = ""; 34 byte[] recvBytes = new byte[1024]; 35 int bytes; 36 bytes = temp.Receive(recvBytes,recvBytes.Length,0); //从客户端接受消息 37 recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes); 38 39 //给Client端返回信息 40 Console.WriteLine("server get message:{0}",recvStr); //把客户端传来的信息显示出来 41 string sendStr = "ok!Client send message successful!"; 42 byte[] bs = Encoding.ASCII.GetBytes(sendStr); 43 temp.Send(bs,bs.Length,0); //返回信息给客户端 44 temp.Close(); 45 s.Close(); 46 Console.ReadLine(); 47 48 } 49 } 50 }
Client代码：
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 //添加用于Socket的类 6 using System.Net; 7 using System.Net.Sockets; 8 9 namespace SocketConsoleClient 10 { 11 class Program 12 { 13 static void Main(string[] args) 14 { 15 try 16 { 17 int port = 8899; 18 string host = "127.0.0.1"; 19 //创建终结点EndPoint 20 IPAddress ip = IPAddress.Parse(host); 21 IPEndPoint ipe = new IPEndPoint(ip, port); //把ip和端口转化为IPEndPoint的实例 22 23 //创建Socket并连接到服务器 24 Socket c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); // 创建Socket 25 Console.WriteLine("Connecting..."); 26 c.Connect(ipe); //连接到服务器 27 28 //向服务器发送信息 29 string sendStr = "Hello,this is a socket test"; 30 byte[] bs = Encoding.ASCII.GetBytes(sendStr); //把字符串编码为字节 31 32 Console.WriteLine("Send message"); 33 c.Send(bs, bs.Length, 0); //发送信息 34 35 //接受从服务器返回的信息 36 string recvStr = ""; 37 byte[] recvBytes = new byte[1024]; 38 int bytes; 39 bytes = c.Receive(recvBytes, recvBytes.Length, 0); //从服务器端接受返回信息 40 recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes); 41 Console.WriteLine("client get message:{0}", recvStr); //回显服务器的返回信息 42 43 Console.ReadLine(); 44 //一定记着用完Socket后要关闭 45 c.Close(); 46 } 47 catch (ArgumentException e) 48 { 49 Console.WriteLine("argumentNullException:{0}", e); 50 } 51 catch (SocketException e) 52 { 53 Console.WriteLine("SocketException:{0}",e); 54 } 55 } 56 } 57 }
