public void Start(out string errMsg)
{
errMsg = "";
if (IsRuning)
{
return;
}
// 加载日志数据发布服务所需配置文件信息
this.mqttParam = new MQTTParam();
if (!LoadConfig(out errMsg))
{
return;
}
// 检查端口是否空闲
if (!IPTool.IsValidPort(this.mqttParam.port))
{
errMsg = "日志服务器的发布端口被占用，请更换端口号";
return;
}
// 开启MQTT服务当做发布器
mqttServer = new MQTTServer(mqttParam);
mqttServer.Start(out errMsg);
if (!mqttServer.IsRuning || !string.IsNullOrWhiteSpace(errMsg))
{
Stop();
return;
}
// 开启消息队列的消费器
queue = new BlockingCollection <TraceItem>();
task = new Task(() =>
{
foreach (TraceItem item in queue.GetConsumingEnumerable())
{
try
{
ActionTimeout <TraceItem> timeout = new ActionTimeout <TraceItem>();
timeout.Do = Excute;
bool isTimeout = timeout.DoWithTimeout(item, TimeSpan.FromSeconds(5)); //只等待5秒
if (isTimeout) // 超时
{
GC.Collect();
}
}
catch
{
}
}
}, TaskCreationOptions.LongRunning);
task.Start();
IsRuning = true;
}
public void Start(out string errMsg)
{
errMsg = "";
if (IsRuning)
{
return;
}
// 加载日志数据发布服务所需配置文件信息
this.mqttParam = new MQTTParam();
if (!LoadConfig(this.configPath, out errMsg))
{
return;
}
// 开启MQTT服务当做发布器
mqttServer = new MQTTServer(mqttParam);
mqttServer.Start(out errMsg);
if (!mqttServer.IsRuning || !string.IsNullOrWhiteSpace(errMsg))
{
Stop();
return;
}
// 开启消息队列的消费器
queue = new BlockingCollection <PublishData>();
task = new Task(() =>
{
foreach (PublishData item in queue.GetConsumingEnumerable())
{
try
{
ActionTimeout <PublishData> timeout = new ActionTimeout <PublishData>();
timeout.Do = Excute;
bool isTimeout = timeout.DoWithTimeout(item, new TimeSpan(0, 0, 0, 5)); //只等待5秒
if (isTimeout) // 超时
{
GC.Collect();
}
}
catch
{
}
}
}, TaskCreationOptions.LongRunning);
task.Start();
IsRuning = true;
}
// 命令消费-设定超时功能
private void Excute(RequestCommand command)
{
// 设定超时功能
ActionTimeout <RequestCommand> timeout = new ActionTimeout <RequestCommand>();
timeout.Do = ExcuteHandle;
bool bo = timeout.DoWithTimeout(command, new TimeSpan(0, 0, 0, command.timeoutSeconds + 3));//设定基础多等待3秒，防止调用着也做了超时功能
if (bo)
{
CommandManager.MakeTimeout("会话ID：" + command.sensorID + "执行命令超时", ref command);
CommandManager.CompleteCommand(command);
TraceManagerForCommand.AppendErrMsg(command.message);
GC.Collect();
}
}
// 任务执行口--并附带超时功能
public void Excute()
{
ActionTimeout timeoutObj = new ActionTimeout();
try
{
switch (this.type)
{
case StationCommandType.Collect:
{
if (opcCommandType == OPCCommandType.Cancle) //已经在调度被标记放弃了，干要紧的任务
{
return;
}
timeoutObj.Do = ExcuteCollect;
bool bo = timeoutObj.DoWithTimeout(new TimeSpan(0, 0, 0, Config.scadaConfig.commandTimeoutSeconds));
if (bo)
{
TraceManagerForOPC.AppendWarning("站点定时采集任务执行超时");
GC.Collect();
}
}
break;
case StationCommandType.Write:
{
timeoutObj.Do = ExcuteWrite;
bool bo = timeoutObj.DoWithTimeout(new TimeSpan(0, 0, 0, Config.scadaConfig.commandTimeoutSeconds));
if (bo)
{
CommandManager.MakeTimeout("sensorID：" + requestCommand.sensorID + "执行写值命令超时", ref requestCommand);
CommandManager.CompleteCommand(requestCommand);
TraceManagerForCommand.AppendWarning(requestCommand.message);
GC.Collect();
}
}
break;
case StationCommandType.Reload:
{
timeoutObj.Do = ExcuteReload;
bool bo = timeoutObj.DoWithTimeout(new TimeSpan(0, 0, 0, Config.scadaConfig.commandTimeoutSeconds));
if (bo)
{
CommandManager.MakeTimeout("执行重载站点数据命令超时", ref requestCommand);
CommandManager.CompleteCommand(requestCommand);
TraceManagerForCommand.AppendWarning(requestCommand.message);
GC.Collect();
}
}
break;
default:
TraceManagerForOPC.AppendWarning("未知的站点OPC命令类型,无法执行");
return;
}
}
catch (Exception e)
{
TraceManagerForOPC.AppendErrMsg("执行站点OPC任务失败,未知的任务类型:" + e.Message + "堆栈:" + e.StackTrace);
}
}