/// <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>
/// 在KEPWARE服务器上设置订阅
/// </summary>
/// <param name="server">KEPWARE服务器名称</param>
/// <param name="channelName">订阅的通道</param>
/// <param name="deviceName">订阅的设备</param>
/// <param name="blockNames">要订阅的ITEM名称集</param>
/// <param name="blockTypes">要订阅的ITEM数据类型集</param>
private static void InitializeSubscription(string server, string channelName, string deviceName, List <string> blockNames, Hashtable blockTypes)
{
// 重新创建KEPWARE控制器对象
if (controller.Connected)
{
controller.Disconnect();
log.Info("已从KEPWARE服务断开");
controller = null;
controller = new KEPWareController();
controller.BadBlockDetected += Controller_BadBlockDetected;
}
// 连接到OPC服务
string serverName = server;
if (controller.Connect(serverName))
{
log.Info("已连接到KEPWARE服务" + serverName);
}
else
{
log.Error("连接失败！服务器将退出！");
Environment.Exit(-1);
}
// 设置OPC订阅信息
controller.ChannelName = channelName;
log.Info("已将通道名称设置为 " + controller.ChannelName);
controller.DeviceName = deviceName;
log.Info("已将设备名称设置为 " + controller.DeviceName);
controller.AddItems(blockNames.ToArray());
controller.DataChange += Controller_DataChange;
// 初始化全局结果集
Hashtable hashtable = new Hashtable();
foreach (string key in blockNames)
{
hashtable.Add(key, "");
}
ValuesContainer.Values = hashtable;
ValuesContainer.Types = blockTypes;
ValuesContainer.Qualities = _qualities;
ValuesContainer.ReadCounts = _itemReadCount;
ValuesContainer.WriteCounts = _itemUpdateCount;
ValuesContainer.LastUpdates = _itemLastUpdate;
ValuesContainer.LastSyncs = _itemLastSync;
ValuesContainer.ItemDescriptions = _itemDesc;
string persistFile = configFile.Replace(".xml", ".opc");
// 尝试读取之前保存的OPC状态
try
{
// 检查服务器是否启用持久化
if (_persistence)
{
ValuesContainer.Load(persistFile, true);
log.Info("已恢复持久化文件 " + persistFile);
}
}
catch (Exception ex)
{
log.Error("读取持久化文件 " + persistFile + " 出错:" + ex.Message);
}
// 启动监听服务
try
{
controller.Subscribe();
log.Info("OPC监听服务已启动");
}
catch (Exception ex)
{
log.Info("无法启动监听服务！" + ex.Message);
controller.Disconnect();
Environment.Exit(-1);
}
}
/// <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
}