private void MainLoop()
{
while (!_stop)
{
Task task;
if (_inProgressCount < _maxConcurrentItems && _coordinator.TryGetTask(out task))
{
Interlocked.Increment(ref _inProgressCount);
Send(task);
}
else
{
Thread.Sleep(1);
}
lock (_connectionLock)
{
if (_reconnectionStopwatch.IsRunning && _reconnectionStopwatch.Elapsed >= ReconnectionDelay)
{
_reconnectionsCount += 1;
_lastReconnectionTimestamp = DateTime.UtcNow;
_connection = _coordinator.CreateConnection(OnPackageArrived, OnConnectionEstablished, OnConnectionClosed);
_reconnectionStopwatch.Stop();
}
}
if (_timeoutCheckStopwatch.Elapsed > EventTimeoutCheckPeriod)
{
var now = DateTime.UtcNow;
foreach (var workerItem in _items.Values)
{
var lastUpdated = new DateTime(Interlocked.Read(ref workerItem.LastUpdatedTicks));
if (now - lastUpdated > EventTimeoutDelay)
{
if (lastUpdated > _lastReconnectionTimestamp)
{
_coordinator.SignalWorkerFailed(null, string.Format("Worker {0} discovered timed out event which "
+ "never got response from server. "
+ "Last state update: {1}, last reconnect: {2}, now: {3}.",
_name,
lastUpdated,
_lastReconnectionTimestamp,
now));
TryRemoveWorkItem(workerItem);
}
else
{
Retry(workerItem);
}
}
}
_timeoutCheckStopwatch.Restart();
}
}
_stoppedEvent.Set();
}