/// <summary> /// 把更新的OPC ITEM数据保存到全局容器以供网络服务线程访问 /// </summary> /// <param name="values">更新的结果集</param> private static void Controller_DataChange(Dictionary <string, string> values) { Hashtable hashtable = new Hashtable(); foreach (string key in values.Keys) { hashtable.Add(key, values[key]); } log.Debug("接收到KEPWARE的更新数据"); foreach (string key in ValuesContainer.Values.Keys) { if (ValuesContainer.Values[key].ToString() != hashtable[key].ToString()) { ValuesContainer.LastSyncs[key] = DateTime.Now; if (_debug) { log.Debug(key + ": " + ValuesContainer.Values[key] + "=>" + hashtable[key]); } } } foreach (string key in hashtable.Keys) { ValuesContainer.Values[key] = hashtable[key].ToString(); } if (_persistence) { ValuesContainer.Persist(configFile.Replace(".xml", ".opc")); } }
/// <summary> /// 处理TCP监听线程返回的ITEM更新事件 /// </summary> /// <param name="blockName"></param> /// <param name="newValue"></param> public static void Listener_OPCItemUpdated(string blockName, string newValue, string clientType) { if (!ValuesContainer.Values.ContainsKey(blockName)) { log.Error("OPC服务器未配置此OPCItem " + blockName); return; } string type = ValuesContainer.Types[blockName].ToString(); while (_reloading) { System.Threading.Thread.Sleep(20); } try { bool writeStatus = false; log.Info("正在更新OPCItem " + blockName + ":" + type + "=" + newValue); switch (type) { case "BOOL": writeStatus = controller.SetValue(blockName, bool.Parse(newValue)); break; case "BYTE": writeStatus = controller.SetValue(blockName, byte.Parse(newValue)); break; case "CHAR": writeStatus = controller.SetValue(blockName, char.Parse(newValue)); break; case "WORD": writeStatus = controller.SetValue(blockName, short.Parse(newValue)); break; case "LONG": writeStatus = controller.SetValue(blockName, int.Parse(newValue)); break; case "DWORD": writeStatus = controller.SetValue(blockName, int.Parse(newValue)); break; case "STRING": writeStatus = controller.SetValue(blockName, newValue); break; } if (writeStatus) { ValuesContainer.Values[blockName] = newValue; ValuesContainer.LastUpdates[blockName] = DateTime.Now; ValuesContainer.WriteCounts[blockName] = (int)ValuesContainer.WriteCounts[blockName] + 1; if (_persistence) { ValuesContainer.Persist(configFile.Replace(".xml", ".opc")); } } else { log.Error("写入OPCITEM " + blockName + ":" + type + " 失败,更改已经被取消"); } } catch (Exception ex) { log.Error("写入OPCITEM " + blockName + ":" + type + " 失败: " + ex.Message); } }
/// <summary> /// 主程序 /// </summary> /// <param name="args">命令行参数列表</param> static void Main(string[] args) { // 处理所有未捕获的异常 AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException; // 获取服务器和连接器版本 Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly(); _version = assembly.GetName().Version.ToString(); Assembly assembly1 = Assembly.GetAssembly(typeof(KEPWareController)); _version1 = assembly1.GetName().Version.ToString(); // 让log4net监控配置文件的变化 FileInfo appConfigInfo = new FileInfo(_appConfig); log4net.Config.XmlConfigurator.ConfigureAndWatch(appConfigInfo); Console.WriteLine("****************************************************************"); Console.WriteLine("OPC代理服务器"); Console.WriteLine("服务器版本:" + _version); Console.WriteLine("Kepware连接器版本:" + _version1); Console.WriteLine("GNU GENERAL PUBLIC LICENSE V3"); Console.WriteLine("****************************************************************"); Console.WriteLine(""); // 检查命令行参数,输出用法信息 if (args.Length == 0) { Console.WriteLine(@" 错误:未指定有效的启动参数,正确的使用方法如下: opcservice -c <OPC配置文件名.xml> [-d] [-s] -c <OPC配置文件名> 必须参数,指定服务器加载的配置文件定义 -d 调试模式,添加此参数服务器将输出更详细的日志 -s 服务模式,添加此参数服务器已静默方式启动,将关闭控制台及日志输出(文件日志不受影响) "); Console.ReadKey(); Environment.Exit(0); } // 处理命令行参数 for (int n = 0; n < args.Length; n++) { // 处理要加载的配置文件名 if (args[n] == "-c" || args[n] == "/c") { configFile = args[n + 1]; } // 是否启用debug模式(将输出更详细的调试日志) if (args[n] == "-d" || args[n] == "/d") { _debug = true; } // 是否启用服务模式 (没有控制台) if (args[n] == "-s" || args[n] == "/c") { _daemon = true; } } // 服务模式重定向控制台输出到标准错误 // 并且取消控制台窗口 if (_daemon) { Console.WriteLine("\n\r请点击关闭按钮关闭此控制台窗口进入无人值守模式!"); Console.SetOut(new StreamWriter(Console.OpenStandardError(), System.Text.Encoding.UTF8)); FreeConsole(); } List <string> blockNames = new List <string>(); Hashtable blockTypes = new Hashtable(); Hashtable blockQualities = new Hashtable(); // 从配置文件中加载监听设置 if (!LoadConfiguration(configFile, ref _host, ref _server, ref blockTypes, ref blockNames, ref _channelName, ref _deviceName, ref _port, ref _persistence, ref _qualities, ref _clientTimeout, ref _itemLastUpdate, ref _itemReadCount, ref _itemUpdateCount, ref _itemLastSync, ref _itemDesc)) { log.Error("配置文件读取错误!请检查文件格式再试!"); Environment.Exit(-1); } // 服务器启动 log.Info("服务器正在启动"); // 查找OPC服务 log.Info("开始查找本机安装的KEPWARE服务"); List <string> servers = controller.FindServers(); if (servers.Count < 1) { log.Error("没有发现本机安装了可用的OPC服务器,服务器将退出"); Environment.Exit(-1); } // 检查本机是否存在配置文件中指定的KEPWARE服务器 bool found = false; foreach (string s in servers) { if (s == _server) { found = true; } } if (!found) { log.Error("没有找到配置中指定的KEPWARE服务器 " + _server); Environment.Exit(-1); } // 开始订阅OPC更新 log.Info("检测到OPC服务器 " + _server + ", 正在连接"); InitializeSubscription(_server, _channelName, _deviceName, blockNames, blockTypes); // 启动网络组件 _listener = new TCPListener(_port, _clientTimeout); _listener.OPCItemUpdated += Listener_OPCItemUpdated; _listener.Start(); log.Info("网络服务组件已启动"); // 服务模式不使用命令行界面 if (_daemon) { Thread.Sleep(Timeout.Infinite); } #region 命令行控制界面 Console.WriteLine(""); Console.WriteLine("请输入命令(输入help或者?查看可用命令列表):"); while (true) { Console.Write(configFile.ToUpper().Replace(".XML", "") + "> "); string cmd2 = Console.ReadLine(); string cmd = cmd2.ToLower(); // 命令解释器 if (cmd == "?" || cmd == "help") { ShowHelp(); } else if (cmd == "reload") { Console.Write("确定要从配置文件中重新加载配置吗?(y/n):"); if (Console.ReadLine().ToLower() == "y") { _reloading = true; LoadConfiguration(configFile, ref _host, ref _server, ref blockTypes, ref blockNames, ref _channelName, ref _deviceName, ref _port, ref _persistence, ref _qualities, ref _clientTimeout, ref _itemLastUpdate, ref _itemReadCount, ref _itemUpdateCount, ref _itemLastSync, ref _itemDesc); InitializeSubscription(_server, _channelName, _deviceName, blockNames, blockTypes); _reloading = false; Console.WriteLine("设置已重新加载!(请注意如果修改了监听端口号,必须关闭并重启服务程序!)"); } } else if (cmd == "exit") { Console.Write("确定要退出OPC服务器吗?生产线和MES的通信将完全中断!(y/n):"); if (Console.ReadLine().ToLower() == "y") { _listener.Terminate(); controller.Disconnect(); Console.Write("服务已关闭,按任意键退出 ..."); Console.ReadKey(); Environment.Exit(0); } } else if (cmd == "show") { Console.WriteLine(); ShowTagList(); Console.WriteLine(); } else if (cmd.StartsWith("set")) { if (cmd.Split(' ').Length < 2) { Console.WriteLine("命令语法错误! 输入help查看用法"); continue; } try { string blockName = cmd2.Replace("=", " ").Split(' ')[1]; string blockValue = cmd2.Replace("=", " ").Split(' ')[2]; Console.Write("确定要将OPCITEM " + blockName + " 的值更改为 " + blockValue + " 吗?(y/n):"); if (Console.ReadLine().ToLower() == "y") { Listener_OPCItemUpdated(blockName, blockValue, "STRING"); } } catch { Console.WriteLine("命令语法错误! 输入help查看用法"); continue; } } else if (cmd == "save") { string filename = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, DateTime.Now.ToString("yyyyMMddHHmmss") + ".opc"); ValuesContainer.Persist(filename); Console.WriteLine("文件已保存到 " + filename); } else if (cmd.StartsWith("load")) { if (cmd.Split(' ').Length < 2) { Console.WriteLine("命令语法错误! 输入help查看用法"); continue; } string filename = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, cmd2.Split(' ')[1]); if (File.Exists(filename)) { ValuesContainer.Load(filename, true); Console.WriteLine("OPC文件已加载并应用到所有的Item"); } else { Console.WriteLine("指定的文件 " + filename + " 不存在!"); } } else if (cmd == "status") { Console.WriteLine(""); TimeSpan span = DateTime.Now.Subtract(_start); Console.WriteLine("服务器版本:" + _version); Console.WriteLine("KEPWARE连接器版本:" + _version1); Console.WriteLine("服务器地址:" + GetIPAddress() + ":" + _port); Console.WriteLine("配置文件:" + configFile); Console.WriteLine("通道名称:" + _channelName); Console.WriteLine("设备名称:" + _deviceName); Console.WriteLine("Kepware主机:" + _host); Console.WriteLine("Kepware服务:" + _server); Console.WriteLine("持久化存储:" + _persistence.ToString()); Console.WriteLine("客户端无通信超时:" + _clientTimeout + " 秒"); Console.WriteLine("OPC组名称:" + controller.GroupName); Console.WriteLine("已正常运行:" + span.Days + "天" + span.Hours + "小时" + span.Minutes + "分钟" + span.Seconds + "秒"); Console.WriteLine("当连接客户端:" + _listener.Clients.Count + "个"); for (int n = 0; n < _listener.Clients.Count; n++) { TimeSpan heartbeatTs = DateTime.Now.Subtract(_listener.Clients[n].LastHeartbeat); string heartbeat = heartbeatTs.Minutes + "分" + heartbeatTs.Seconds + "秒" + heartbeatTs.Milliseconds + "毫秒"; Console.WriteLine(_listener.Clients[n].IPAddress + " - 上次通信:" + heartbeat); } Console.WriteLine(""); } else if (cmd == "clear") { Console.Clear(); } else if (cmd == "monitor") { // 启动监视器 _monitor = new Thread(new ThreadStart(MonitorHandler)); _monitor.IsBackground = true; _monitor.Start(); // 控制刷新速度 bool quit = false; while (!quit) { ConsoleKeyInfo info = Console.ReadKey(); if (info.KeyChar == '=' || info.KeyChar == '+') { // 增加刷新速度 if (_refreshRate >= 150) { _refreshRate -= 100; } else { if (_refreshRate > 20) { _refreshRate -= 20; } } } else if (info.KeyChar == '-') { // 降低刷新速度 if (_refreshRate < 150) { _refreshRate += 20; } else { _refreshRate += 100; } } else if (info.KeyChar == 'c' || info.KeyChar == 'C') { // 退出监视器 quit = true; Console.Clear(); } } _monitor.Abort(); _monitor = null; } else if (cmd == "") { } else { ShowHelp(); } } #endregion }