010 socket定义服务器

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 SocketServer
{
    class Program
    {
        /// <summary>
        /// 服务器：
        ///     1、接收请求
        ///     2、接收数据
        ///     3、发送数据
        ///     4、断开连接
        /// </summary>
        /// 
        public static Socket serverSocket;
        static void Main(string[] args)
        {
            //AddressFamily 地址族
            //SocketType    套接字类型
            //ProtocolType  协议
            serverSocket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);//地址族，套接字类型，协议
            //Socket ServerSocket = new Socket(AddressFamily.InterNetwork,SocketType.Dgram,ProtocolType.Udp);//UDP使用Dgram数据报类型套接字

            //进行绑定
            //端口号范围0~65535
            IPEndPoint endPoint = new IPEndPoint(IPAddress.Any,9999);
            serverSocket.Bind(endPoint);
            serverSocket.Listen(10);//
            //开启一个线程接受客户端
            Thread thread = new Thread(listenClientConnect);
            thread.Start();

        }
        /// <summary>
        /// 监听客户端连接
        /// </summary>
        private static void listenClientConnect()
        {
            //等待 有客户端连接的时候 就会触发这个函数，返回一个客户端的socket对象
            Socket clientSocket = serverSocket.Accept();
            Console.WriteLine("客户端连接成功 信息："+clientSocket.AddressFamily.ToString());

            //给客户端发送一个消息（发送字节数据）
            clientSocket.Send(Encoding.Default.GetBytes("服务器告诉你连接成功了"));//GetBytes字符串转字节数据

            //接受客户端发来的消息
            Thread recThread = new Thread(receiveClientMessage);
            recThread.Start(clientSocket);
        }
        /// <summary>
        /// 接受来自客户端的消息
        /// </summary>
        /// <param name="clientSocket"></param>
        private static void receiveClientMessage(object clientSocket)
        {
            Socket socket = clientSocket as Socket;//接收到的对象转换类型
            byte[] buffer = new byte[1024];
            //接收到数据的长度
            int length = socket.Receive(buffer);
            //显示出来
            Console.WriteLine(Encoding.Default.GetString(buffer, 0, length));
        }
    }
}