private void ProcessPolling()
{
while (true)
{
if (_connectionEstablished)
{
Poll();
}
else
{
EstablishConnection();
}
Thread.Sleep(_connectionEstablished ? 5000 : 1000);
PollingFinished?.Invoke();
}
}
public static void InvokePollingFinished()
{
PollingFinished?.Invoke();
}
/// <summary>
/// 开始轮询
/// </summary>
public void Start()
{
if (_pollingCancel != null)
{
return;
}
_pollingCancel = new CancellationTokenSource();
new Thread(obj =>
{
var cancel = obj as CancellationTokenSource;
while (!cancel.IsCancellationRequested)
{
var semaphoreSlim = new SemaphoreSlim(_maxThreadCount);
var countdown = new CountdownEvent(_pollingObjects.Count);
Dictionary <T_Object, T_Result> pollingResult = new Dictionary <T_Object, T_Result>();
List <Tuple <T_Object, T_Result> > notifyResult = new List <Tuple <T_Object, T_Result> >();
foreach (var ipe in _pollingObjects)
{
semaphoreSlim.Wait();
if (!cancel.IsCancellationRequested)
{
var task = new Task(obj1 =>
{
var cancel1 = obj1 as CancellationTokenSource;
if (cancel1.IsCancellationRequested)
{
return;
}
var ep = ipe;
var result = PollingDetailWork(ep);
PollingProgressing?.Invoke(ep, result);
lock (((ICollection)pollingResult).SyncRoot)
{
pollingResult.Add(ep, result);
if (_notifyCount > 0)
{
notifyResult.Add(new Tuple <T_Object, T_Result>(ep, result));
if (notifyResult.Count >= _notifyCount)
{
PollingNotifyEvent.Invoke(notifyResult.ToDictionary(t => t.Item1, t => t.Item2));
notifyResult.Clear();
}
}
}
countdown.Signal();
semaphoreSlim.Release();
}, cancel, cancel.Token);
task.Start();
}
else
{
break;
}
}
if (!cancel.IsCancellationRequested)
{
countdown.Wait();
if (notifyResult.Count > 0)
{
PollingNotifyEvent.Invoke(notifyResult.ToDictionary(t => t.Item1, t => t.Item2));
notifyResult.Clear();
}
PollingFinished?.Invoke(pollingResult);
}
Thread.Sleep(_pollingInterval);
}
})
{
IsBackground = true
}.Start(_pollingCancel);
}