简单的流服务器和流客户机

流服务器

 

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

namespace StreamTcpSrvr
...{
    class Program
    ...{
        static void Main(string[] args)
        ...{
            string data;
            IPEndPoint ipep = new IPEndPoint(IPAddress.Any, 9050);
            Socket newsock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            newsock.Bind(ipep);
            newsock.Listen(10);
            Console.WriteLine("Waiting for a client...");
            Socket client = newsock.Accept();
            IPEndPoint newclient = (IPEndPoint)client.RemoteEndPoint;
            Console.WriteLine("Connected with {0} at port {1}", newclient.Address, newclient.Port);
            NetworkStream ns = new NetworkStream(client);
            StreamReader sr= new StreamReader(ns);
            StreamWriter sw = new StreamWriter(ns);
            string welcome = "Welcome to my test server";
            sw.WriteLine(welcome);
            sw.Flush();
            while (true)
            ...{
                try
                ...{
                    data = sr.ReadLine();
                }
                catch (IOException)
                ...{
                    break;
                }
                Console.WriteLine(data);
                sw.WriteLine(data);
                sw.Flush();
            }
            Console.WriteLine("Disconnected from {0}", newclient.Address);
            sw.Close();
            sr.Close();
            ns.Close();
        }
    }
}

流客户机

 

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

namespace StreamTcpClient
...{
    class Program
    ...{
        static void Main(string[] args)
        ...{
            string data;
            string input;
            IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9050);
            Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            try
            ...{
                server.Connect(ipep);
            }
            catch (SocketException e)
            ...{
                Console.WriteLine("Unable to connect to server.");
                Console.WriteLine(e.ToString());
                return;
            }
            NetworkStream ns = new NetworkStream(server);
            StreamReader sr = new StreamReader(ns);
            StreamWriter sw = new StreamWriter(ns);
            data = sr.ReadLine();
            Console.WriteLine(data);
            while (true)
            ...{
                input = Console.ReadLine();
                if (input == "exit")
                    break;
                sw.WriteLine(input);
                sw.Flush();
                data = sr.ReadLine();
                Console.WriteLine(data);
            }
            Console.WriteLine("Disconnecting from server...");
            sr.Close();
            sw.Close();
            ns.Close();
            server.Shutdown(SocketShutdown.Both);
            server.Close();
        }
    }
}