private void StopSubscriptionEpoch()
{
if (_catchUpSubscription == null)
{
return;
}
try
{
_subscriptionEpochStopping = true;
Log.Information("Stopping catch all subscription epoch {Name}! Waiting for queued events to process.", SubscriptionName);
var stopSubscriptionWatch = Stopwatch.StartNew();
_catchUpSubscription.Stop(TimeSpan.FromMilliseconds(_settings.StopSubscriptionTimeout));
Log.Information("Subscription epoch {Name} stopped after {Elapsed} ms!", SubscriptionName, stopSubscriptionWatch.ElapsedMilliseconds);
}
catch (TimeoutException e)
{
Log.Error(e, "Could not stop the subscription epoch {Name} after {Timeout} ms!", SubscriptionName, _settings.StopSubscriptionTimeout);
}
finally
{
_subscriptionEpochStopping = false;
}
}
public Task <bool> Stop()
{
_destinationConnection.ErrorOccurred -= DestinationConnection_ErrorOccurred;
_destinationConnection.Disconnected -= DestinationConnection_Disconnected;
_destinationConnection.AuthenticationFailed += DestinationConnection_AuthenticationFailed;
_destinationConnection.Connected -= DestinationConnection_Connected;
_destinationConnection.Reconnecting -= _destinationConnection_Reconnecting;
_originConnection.ErrorOccurred -= OriginConnection_ErrorOccurred;
_originConnection.Disconnected -= OriginConnection_Disconnected;
_originConnection.AuthenticationFailed -= OriginConnection_AuthenticationFailed;
_originConnection.Connected -= OriginConnection_Connected;
_originConnection.Reconnecting -= _originConnection_Reconnecting;
_processor.Stop();
_allCatchUpSubscription?.Stop();
_destinationConnection?.Close();
_originConnection?.Close();
_positionRepository.Stop();
_timerForStats.Stop();
_totalProcessedMessagesCurrent = 0;
_started = false;
_logger.Info($"{Name} stopped");
return(Task.FromResult(true));
}
private void Processor_Elapsed(object sender, ElapsedEventArgs e)
{
if (_internalBuffer.IsEmpty)
{
return;
}
try
{
_processor.Stop();
_allCatchUpSubscription.Stop();
var watch = System.Diagnostics.Stopwatch.StartNew();
var eventsToProcess = _internalBuffer.Count;
var oldPerfSettings = _perfTunedSettings.Clone() as PerfTuneSettings;
ProcessQueueAndWaitAll();
watch.Stop();
var elapsedMs = watch.ElapsedMilliseconds;
_logger.Debug($"{Name} Replicated '{eventsToProcess}' events in {elapsedMs}ms");
_perfTunedSettings = _replicaHelper.OptimizeSettings(elapsedMs, _perfTunedSettings);
if (!_perfTunedSettings.Equals(oldPerfSettings))
{
_logger.Debug($"{Name} Old PerfSettings: {oldPerfSettings}");
_logger.Debug($"{Name} New PerfSettings: {_perfTunedSettings}");
}
Subscribe(_lastPosition);
_processor.Start();
}
catch (Exception exception)
{
_logger.Error($"Error while Processor_Elapsed: {exception.GetBaseException().Message}");
Stop();
Start();
}
}
public void StopDispatching()
{
_stopRequested = true;
if (_subscription != null)
{
_subscription.Stop(TimeSpan.FromSeconds(2));
}
}
private void Subscribe()
{
if (_currentConnection == null)
{
return;
}
_subscription?.Stop();
_subscription = _currentConnection.SubscribeToAllFrom(
_lastPosition,
CatchUpSubscriptionSettings.Default,
EventAppeared,
LiveProcessingStarted,
SubscriptionDropped
);
}
private void Stop()
{
_subscription.Stop();
if (_setLastCheckpoint != null)
{
_setLastCheckpoint(_subscription.LastProcessedPosition);
}
}
protected override void OnDisconnected(object sender, ClientConnectionEventArgs clientConnectionEventArgs)
{
_catchUpSubscription?.Stop();
if (!_subscriptionTerminatedRequested)
{
Log.Information("Subscription {Name} with epoch {Epoch}, disconnected from EventStore. Waiting for reconnect to start a new epoch.", _subscriptionName, _subscriptionEpoch);
}
}
public void Stop()
{
_subscription?.Stop();
}
public void Stop() => _subscription.Stop();
public Task StopAsync(CancellationToken cancellationToken)
{
_subscription.Stop();
return(Task.CompletedTask);
}
public void Stop() => subscription?.Stop();