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

namespace?WebSocketServer
{
????class?Program
????{
????????static?void?Main（string[]?args）
????????{
????????????int?port?=?1818;
????????????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（“等待客戶端連接....“）;
????????????????Socket?sc?=?listener.Accept（）;//接受一個連接
????????????????Console.WriteLine（“接受到了客戶端：“?+?sc.RemoteEndPoint.ToString（）?+?“連接....“）;

????????????????//握手
????????????????int?length?=?sc.Receive（buffer）;//接受客戶端握手信息
????????????????sc.Send（PackHandShakeData（GetSecKeyAccetp（buffer?length）））;
????????????????Console.WriteLine（“已經發送握手協議了....“）;

????????????????//接受客戶端數據
????????????????Console.WriteLine（“等待客戶端數據....“）;
????????????????length?=?sc.Receive（buffer）;//接受客戶端信息
????????????????string?clientMsg?=?AnalyticData（buffer?length）;
????????????????Console.WriteLine（“接受到客戶端數據：“?+?clientMsg）;

????????????????//發送數據
????????????????string?sendMsg?=?“您好，“?+?clientMsg;
????????????????Console.WriteLine（“發送數據：““?+?sendMsg?+?“”?至客戶端....“）;
????????????????sc.Send（PackData（sendMsg））;

????????????????Console.WriteLine（“演示Over!“）;

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

????????///?

????????///?打包握手信息
????????///?

????????///?Sec-WebSocket-Accept
????????///?數據包
????????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）;
????????????//如果把上一行換成下面兩行，才是thewebsocketprotocol-17協議，但居然握手不成功，目前仍沒弄明白！
????????????//responseBuilder.Append（“Sec-WebSocket-Accept:?“?+?secKeyAccept?+?Environment.NewLine）;
????????????//responseBuilder.Append（“Sec-WebSocket-Protocol:?chat“?+?Environment.NewLine）;

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

????????///?

????????///?生成Sec-WebSocket-Accept
????????///?

????????///?客戶端握手信息
????????///?Sec-WebSock

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1593??2016-03-02?15:35??websocketclient.html
?????目錄???????????0??2016-03-02?15:39??WebSocketServer\
?????目錄???????????0??2016-03-02?15:39??WebSocketServer\bin\
?????目錄???????????0??2016-03-02?15:39??WebSocketServer\bin\Debug\
?????文件????????7680??2016-03-02?15:32??WebSocketServer\bin\Debug\WebSocketServer.exe
?????文件???????17920??2016-03-02?15:32??WebSocketServer\bin\Debug\WebSocketServer.pdb
?????文件???????11600??2016-03-02?15:33??WebSocketServer\bin\Debug\WebSocketServer.vshost.exe
?????文件?????????490??2010-03-17?22:39??WebSocketServer\bin\Debug\WebSocketServer.vshost.exe.manifest
?????目錄???????????0??2016-03-02?15:39??WebSocketServer\obj\
?????目錄???????????0??2016-03-02?15:39??WebSocketServer\obj\x86\
?????目錄???????????0??2016-03-02?15:39??WebSocketServer\obj\x86\Debug\
?????文件????????5869??2016-03-02?15:32??WebSocketServer\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2016-03-02?09:50??WebSocketServer\obj\x86\Debug\TempPE\
?????文件?????????312??2016-03-02?15:33??WebSocketServer\obj\x86\Debug\WebSocketServer.csproj.FileListAbsolute.txt
?????文件????????7680??2016-03-02?15:32??WebSocketServer\obj\x86\Debug\WebSocketServer.exe
?????文件???????17920??2016-03-02?15:32??WebSocketServer\obj\x86\Debug\WebSocketServer.pdb
?????文件????????7584??2016-03-02?15:32??WebSocketServer\Program.cs
?????目錄???????????0??2016-03-02?15:39??WebSocketServer\Properties\
?????文件????????1362??2016-03-02?09:50??WebSocketServer\Properties\AssemblyInfo.cs
?????文件????????2451??2016-03-02?09:52??WebSocketServer\WebSocketServer.csproj