WebSocket服务器端+Html5客户端

WebSocket服务器端+Html5客户端,服务器端dotnet framework2.0,3.5,4.0,4.5都支持。

using System;
using System.Collections.Generic;
using System.Text;
using System.Net.Sockets;
using System.Net;
using System.Threading;
using System.Text.Regularexpressions;
using System.Security.Cryptography;

namespace WebSocket
{
    class Program
    {
        static void Main（string[] args）
        {
            int port = 10;
            byte[] buffer = new byte[1024];

            IPEndPoint localEP = new IPEndPoint（IPAddress.Any port）;
            Socket listener = new Socket（localEP.Address.AddressFamily SocketType.Stream ProtocolType.Tcp）;

            try
            {
                listener.Bind（localEP）;
                listener.Listen（10）;

                Console.WriteLine（“等待客户端连接....“）;
                Socket sc = listener.Accept（）;//接受一个连接
                Console.WriteLine（“接受到了客户端：“ + sc.RemoteEndPoint.ToString（） + “连接....“）;

                //握手
                int length = sc.Receive（buffer）;//接受客户端握手信息
                sc.Send（PackHandShakeData（GetSecKeyAccetp（buffer length）））;
                Console.WriteLine（“已经发送握手协议了....“）;

                //接受客户端数据
                Console.WriteLine（“等待客户端数据....“）;
                length = sc.Receive（buffer）;//接受客户端信息
                string clientMsg = AnalyticData（buffer length）;
                Console.WriteLine（“接受到客户端数据：“ + clientMsg）;

                //发送数据
                int num = 0;
                while （true）
                {
                    num++;
                    string sendMsg = num.ToString（）+“您好，“ + clientMsg;
                    Console.WriteLine（“发送数据：““ + sendMsg + “” 至客户端....“）;
                    sc.Send（PackData（sendMsg））;
                    System.Threading.Thread.Sleep（3000）;
                }
                //Console.WriteLine（“演示Over!“）;

            }
            catch （Exception e）
            {
                Console.WriteLine（e.ToString（））;
            }
        }
        /// 

        /// 打包握手信息
        /// 

        /// 
        /// 
        private static byte[] PackHandShakeData（string secKeyAccept）
        {
            var responseBuilder = new StringBuilder（）;
            responseBuilder.Append（“HTTP/1.1 101 Switching Protocols“ + Environment.NewLine）;
            responseBuilder.Append（“Upgrade: websocket“ + Environment.NewLine）;
            responseBuilder.Append（“Connection: Upgrade“ + Environment.NewLine）;
            responseBuilder.Append（“Sec-WebSocket-Accept: “ + secKeyAccept + Environment.NewLine + Environment.NewLine）;
            //如果把上一行换成下面两行，才是thewebsocketprotocol-17协议，但居然握手不成功，目前仍没弄明白！
            //responseBuilder.Append（“Sec-WebSocket-Accept: “ + secKeyAccept + Environment.NewLine）;
            //responseBuilder.Append（“Sec-WebSocket-Protocol: chat“ + Environment.NewLine）;

            return Encoding.UTF8.GetBytes（responseBuilder.ToString（））;
        }

        /// 


 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        120  2018-10-27 16:04  WebSocket\WebSocket\app.config

     文件       7680  2018-10-27 17:16  WebSocket\WebSocket\bin\Debug\WebSocket.exe

     文件        120  2018-10-27 16:04  WebSocket\WebSocket\bin\Debug\WebSocket.exe.config

     文件      15872  2018-10-27 17:16  WebSocket\WebSocket\bin\Debug\WebSocket.pdb

     文件      14328  2018-10-27 17:22  WebSocket\WebSocket\bin\Debug\WebSocket.vshost.exe

     文件        120  2018-10-27 16:04  WebSocket\WebSocket\bin\Debug\WebSocket.vshost.exe.config

     文件        490  2009-06-11 05:14  WebSocket\WebSocket\bin\Debug\WebSocket.vshost.exe.manifest

     文件       2004  2018-10-27 16:11  WebSocket\WebSocket\bin\Debug\WebSocketClient.html

     文件        312  2018-10-27 17:22  WebSocket\WebSocket\obj\Debug\WebSocket.csproj.FileListAbsolute.txt

     文件       7680  2018-10-27 17:16  WebSocket\WebSocket\obj\Debug\WebSocket.exe

     文件      15872  2018-10-27 17:16  WebSocket\WebSocket\obj\Debug\WebSocket.pdb

     文件       7736  2018-10-27 17:16  WebSocket\WebSocket\Program.cs

     文件       1368  2018-10-27 16:03  WebSocket\WebSocket\Properties\AssemblyInfo.cs

     文件       2237  2018-10-27 16:04  WebSocket\WebSocket\WebSocket.csproj

     文件        917  2018-10-27 16:03  WebSocket\WebSocket.sln

    ..A..H.     17920  2018-10-27 17:26  WebSocket\WebSocket.suo

     目录          0  2018-10-27 16:03  WebSocket\WebSocket\obj\Debug\TempPE

     目录          0  2018-10-27 17:26  WebSocket\WebSocket\bin\Debug

     目录          0  2018-10-27 17:26  WebSocket\WebSocket\obj\Debug

     目录          0  2018-10-27 17:26  WebSocket\WebSocket\bin

     目录          0  2018-10-27 17:26  WebSocket\WebSocket\obj

     目录          0  2018-10-27 17:26  WebSocket\WebSocket\Properties

     目录          0  2018-10-27 17:26  WebSocket\WebSocket

     目录          0  2018-10-27 17:26  WebSocket

----------- ---------  ---------- -----  ----

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