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 Stop()
{
// 关闭消息队列的消费器
// 先完成添加
queue.CompleteAdding();
DateTime time1 = DateTime.Now;
while (queue.Count > 0)
{
Thread.Sleep(1);
// 最多等待10秒避免关不掉
if (DateTime.Now - time1 > TimeSpan.FromSeconds(10))
{
break;
}
}
while (queue.Count > 0)
{
// 等了十秒还没听，队列全部元素废弃
queue.Take();
}
queue = null;
Task.WaitAll(task);
task.Dispose();
task = null;
// 关闭发布器
if (mqttServer != null)
{
mqttServer.Stop();
mqttServer = null;
}
IsRuning = false;
}
