SuperWebSocket结合Windows服务实现实时消息
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打开MyWebSocketService设计视图，右键，添加安装程序，自动添加ProjectInstaller.cs。
打开设计视图，选中ServiceInstaller1，右键修改属性：
ServiceName（服务名）:这里改为我们刚重命名的MyWebSocketService StartType（启动方式）:改为自动启动Automatic DelayedAutoStart（延迟加载）选中serviceProcessInstaller1，右键修改属性：
Account（账户类型）：这里改为LocalSystem添加安装和卸载文件。注意添加文件请使用ANSI编码。推荐使用EditPlus等工具新建文件，然后通过项目添加现有项。
安装时，请关闭360等安全软件，不然会安装失败
注意替换TestWindowsService.exe和MyWebSocketService。右键属性，设置复制到输出目录。Install.bat
%SystemRoot%\Microsoft.NET\Framework\v4.0.30319\installutil.exe TestWindowsService.exesc config WebSocket监听服务 start= auto Net Start WebSocket监听服务pause添加App.config，配置IP和Port。
IP地址为本地连接地址，端口号自定义。确保端口号不被占用。<configuration> <startup> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /> </startup> <appSettings> <add key="APWebSocketIP" value="192.168.1.199"/> <add key="APWebSocketPort" value="8200"/> </appSettings></configuration>windows服务项目
项目右键，管理Nuget程序包，搜索SuperWebSocket，注意作者为Kerry Jiang。
MyWebSocketService.cs代码:
using System;using System.Collections.Generic;using System.Configuration;using System.Diagnostics;using System.ServiceProcess;using SuperSocket.SocketBase;using SuperWebSocket;namespace SISOService{ public partial class MyWebSocketService : ServiceBase { private readonly Dictionary<string, List<string>> msgDictionary = new Dictionary<string, List<string>>(); private string KSessionId; private string VSessionId; private WebSocketServer server; public MyWebSocketService() { InitializeComponent(); } protected override void OnStart(string[] args) { string ip = ConfigurationManager.AppSettings["APWebSocketIP"]; string port = ConfigurationManager.AppSettings["APWebSocketPort"]; //WebSocket服务器端启动 server = new WebSocketServer(); if (!server.Setup(ip, int.Parse(port))) { LogHelper.WriteFile("WebSocket服务器端启动失败"); //处理启动失败消息 return; } //新的会话连接时 server.NewSessionConnected += server_NewSessionConnected; //会话关闭 server.SessionClosed += server_SessionClosed; //接收到新的消息时 server.NewMessageReceived += server_NewMessageReceived; if (!server.Start()) { LogHelper.WriteFile(string.Format("开启WebSocket服务侦听失败:{0}:{1}", server.Config.Ip, server.Config.Port)); //处理监听失败消息 } } private void server_NewMessageReceived(WebSocketSession session, string value) { Debug.WriteLine("接收到新的消息：{0} 来自：{1} 时间:{2:HH:MM:ss}", value, session.RemoteEndPoint, DateTime.Now); if (value.StartsWith("K")) { KSessionId = session.SessionID; //页面已链接 if (!String.IsNullOrEmpty(VSessionId)) SendMsgToRemotePoint(VSessionId, string.Format("考场发来消息：{0}", value)); //页面未链接 else { AddMsgToSessionId(VSessionId); } } else if (value.StartsWith("S")) { VSessionId = session.SessionID; //考场已链接 if (!String.IsNullOrEmpty(KSessionId)) SendMsgToRemotePoint(KSessionId, string.Format("学生A发来消息：{0}", value)); //考场已断开 else { AddMsgToSessionId(KSessionId); } } } /// <summary> /// 添加会话消息 /// </summary> /// <param name="value"></param> private void AddMsgToSessionId(string value) { if (value != null) { //消息列表包含页面会话ID if (msgDictionary.ContainsKey(value)) { msgDictionary[value].Add(value); } //消息列表不包含页面会话ID else msgDictionary.Add(value, new List<string> {value}); } } /// <summary> /// 会话关闭 /// </summary> /// <param name="session"></param> /// <param name="value"></param> private void server_SessionClosed(WebSocketSession session, CloseReason value) { Debug.WriteLine("会话关闭，关闭原因：{0} 来自：{1} 时间:{2:HH:MM:ss}", value, session.RemoteEndPoint, DateTime.Now); if (session.SessionID == KSessionId) SendMsgToRemotePoint(VSessionId, "考场已断开"); else if (session.SessionID == VSessionId) SendMsgToRemotePoint(KSessionId, "学生A已断开"); } /// <summary> /// 新的会话链接 /// </summary> /// <param name="session"></param> private void server_NewSessionConnected(WebSocketSession session) { Debug.WriteLine("新的会话连接 来自：{0} SessionID:{1} 时间:{2:HH:MM:ss}", session.RemoteEndPoint, session.SessionID, DateTime.Now); if (msgDictionary.ContainsKey(session.SessionID)) msgDictionary[session.SessionID].ForEach(item => session.Send(item)); } /// <summary> /// 发送消息到 /// </summary> /// <param name="sessionId"></param> /// <param name="msg"></param> private void SendMsgToRemotePoint(string sessionId, string msg) { WebSocketSession allSession = server.GetAppSessionByID(sessionId); if (allSession != null) allSession.Send(msg); } }}添加log4net配置文件log4net.config。查看日志。
由于SuperWebSocket已经有日志功能，只需要添加配置文件，即可查看日志。<?xml version="1.0" encoding="utf-8" ?><log4net> <appender name="errorAppender" type="log4net.Appender.RollingFileAppender"> <filter type="log4net.Filter.LevelMatchFilter"> <levelToMatch value="ERROR" /> </filter> <filter type="log4net.Filter.DenyAllFilter" /> <File value="Logs\err.log" /> <appendToFile value="true" /> <rollingStyle value="Date" /> <datePattern value="yyyyMMdd" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" /> </layout> </appender> <appender name="infoAppender" type="log4net.Appender.RollingFileAppender"> <filter type="log4net.Filter.LevelMatchFilter"> <levelToMatch value="INFO" /> </filter> <filter type="log4net.Filter.DenyAllFilter" /> <File value="Logs\info.log" /> <appendToFile value="true" /> <rollingStyle value="Date" /> <datePattern value="yyyyMMdd" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" /> </layout> </appender> <appender name="debugAppender" type="log4net.Appender.RollingFileAppender"> <filter type="log4net.Filter.LevelMatchFilter"> <levelToMatch value="DEBUG" /> </filter> <filter type="log4net.Filter.DenyAllFilter" /> <File value="Logs\debug.log" /> <appendToFile value="true" /> <rollingStyle value="Date" /> <datePattern value="yyyyMMdd" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" /> </layout> </appender> <appender name="perfAppender" type="log4net.Appender.RollingFileAppender"> <filter type="log4net.Filter.LevelMatchFilter"> <levelToMatch value="INFO" /> </filter> <filter type="log4net.Filter.DenyAllFilter" /> <File value="Logs\perf.log" /> <appendToFile value="true" /> <rollingStyle value="Date" /> <datePattern value="yyyyMMdd" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date %logger - %message%newline" /> </layout> </appender> <root> <level value="ALL" /> <appender-ref ref="errorAppender" /> <appender-ref ref="infoAppender" /> <appender-ref ref="debugAppender" /> </root> <logger name="Performance" additivity="false"> <level value="ALL" /> <appender-ref ref="perfAppender" /> </logger></log4net>在html中使用WebSocket
1.首先考虑浏览器兼容问题。一些低版本浏览器不支持。
2.创建websocket对象，设置ip和端口。
Exam.html
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> </head> <body> <h2>考场</h2> <div> <script src="Scripts/jquery-1.8.2.js"></script> <script type="text/javascript"> $(function() { var ws; var url = "ws://192.168.1.104:8800"; $("#btnConnection").click(function() { if ("WebSocket" in window) { ws = new WebSocket(url); } else if ("MozWebSocket" in window) { ws = new MozWebSocket(url); } else alert("浏览器版本过低，请升级您的浏览器。\r\n浏览器要求：IE10+/Chrome14+/FireFox7+/Opera11+"); //注册各类回调 ws.onopen = function() { $("#msg").append("连接服务器成功<br/>"); ws.send("K:考场已链接"); }; ws.onclose = function() { $("#msg").append("与服务器断开连接<br/>"); }; ws.onerror = function() { $("#msg").append("数据传输发生错误<br/>"); }; ws.onmessage = function(receiveMsg) { $("#msg").append(receiveMsg.data + "<br/>"); }; }); $("#btnSend").click(function() { var text = $("#txtContent").val(); ws.send("K:" + text); $("#msg").append("发送信息至服务器： " + "K:" + text + "<br/>"); }); }); </script> <input id="btnConnection" type="button" value="连接" /> <br /> <textarea cols="100" rows="10" id="txtContent"></textarea> <br /> <input id="btnSend" type="button" value="发送" /> <hr /> <span id="msg"></span> </div> </body></html>Student.html
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> </head> <body> <h2>学生A</h2> <div> <script src="Scripts/jquery-1.8.2.js"></script> <script type="text/javascript"> $(function() { var ws; var url = "ws://192.168.1.104:8800"; $("#btnConnection").click(function() { if ("WebSocket" in window) { ws = new WebSocket(url); } else if ("MozWebSocket" in window) { ws = new MozWebSocket(url); } else alert("浏览器版本过低，请升级您的浏览器。\r\n浏览器要求：IE10+/Chrome14+/FireFox7+/Opera11+"); //注册各类回调 ws.onopen = function() { $("#msg").append("连接服务器成功<br/>"); ws.send("S:学生A已链接"); }; ws.onclose = function() { $("#msg").append("与服务器断开连接<br/>"); }; ws.onerror = function() { $("#msg").append("数据传输发生错误<br/>"); }; ws.onmessage = function(receiveMsg) { $("#msg").append(receiveMsg.data + "<br/>"); }; }); $("#btnSend").click(function() { var text = $("#txtContent").val(); ws.send("S:" + text); $("#msg").append("发送信息至服务器： " + "S:" + text + "<br/>"); }); }); </script> <input id="btnConnection" type="button" value="连接" /> <br /> <textarea cols="100" rows="10" id="txtContent"></textarea> <br /> <input id="btnSend" type="button" value="发送" /> <hr /> <span id="msg"></span> </div> </body></html>模拟一个学生A和考场的交互，如图:
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