private async Task InjectDependencies()
{
catalog.SiloStatusOracle = this.siloStatusOracle;
this.siloStatusOracle.SubscribeToSiloStatusEvents(localGrainDirectory);
// consistentRingProvider is not a system target per say, but it behaves like the localGrainDirectory, so it is here
this.siloStatusOracle.SubscribeToSiloStatusEvents((ISiloStatusListener)RingProvider);
this.siloStatusOracle.SubscribeToSiloStatusEvents(Services.GetRequiredService <DeploymentLoadPublisher>());
var reminderTable = Services.GetService <IReminderTable>();
if (reminderTable != null)
{
logger.Info($"Creating reminder grain service for type={reminderTable.GetType()}");
// Start the reminder service system target
var timerFactory = this.Services.GetRequiredService <IAsyncTimerFactory>();
reminderService = new LocalReminderService(this, reminderTable, this.initTimeout, this.loggerFactory, timerFactory);
this.Services.GetService <SiloLoggingHelper>()?.RegisterGrainService(reminderService);
RegisterSystemTarget((SystemTarget)reminderService);
}
RegisterSystemTarget(catalog);
await LocalScheduler.QueueActionAsync(catalog.Start, catalog)
.WithTimeout(initTimeout, $"Starting Catalog failed due to timeout {initTimeout}");
// SystemTarget for provider init calls
this.fallbackScheduler = Services.GetRequiredService <FallbackSystemTarget>();
RegisterSystemTarget(fallbackScheduler);
}
public DockingViewManager(ITransport transport, IAdapter adapter, IScheduler scheduler, LocalScheduler dispatcher)
{
_transport = transport;
_adapter = adapter;
_scheduler = scheduler;
_dispatcher = dispatcher;
}
public DurationTraderViewModelController(ITransport transport, IAdapter adapter, IScheduler scheduler, LocalScheduler dispatcher)
{
transport.GetTradingObservables()
.SubscribeOn(scheduler)
.ObserveOn(dispatcher)
.Subscribe(fSet => adapter.updater(fSet, ViewModel));
}
protected WorkItem(LocalScheduler scheduler, DateTimeOffset dueTime)
{
Scheduler = scheduler;
DueTime = dueTime;
_hasRun = 0;
}
private void OpenProject(object sender, RoutedEventArgs e)
{
var openDialog = new OpenFileDialog
{
Filter = "GradRooAte Project (*.grdb)|*.grdb",
DefaultExt = "grdb",
Title = "Open project"
};
var ok = openDialog.ShowDialog();
if (!ok.GetValueOrDefault())
{
return;
}
var path = openDialog.FileName;
try
{
client = LocalScheduler.Connect(path);
}
catch (Exception ex)
{
// TODO: Use well formatted errors
MessageBox.Show($"Could not open database: {ex.Message}");
return;
}
DialogResult = true;
Close();
}
internal static void Register(LocalScheduler scheduler)
{
//
// LocalScheduler maintains per-instance work queues that need revisiting
// upon system clock changes. We need to be careful to avoid keeping those
// scheduler instances alive by the system clock monitor, so we use weak
// references here. In particular, AsyncLockScheduler in ImmediateScheduler
// can have a lot of instances, so we need to collect spurious handlers
// at regular times.
//
lock (s_systemClockChanged)
{
#if NO_WEAKREFOFT
s_systemClockChanged.Add(new WeakReference(scheduler, false));
#else
s_systemClockChanged.Add(new WeakReference <LocalScheduler>(scheduler));
#endif
if (s_systemClockChanged.Count == 1)
{
s_systemClockChangedHandlerCollector = ConcurrencyAbstractionLayer.Current.StartPeriodicTimer(CollectHandlers, TimeSpan.FromSeconds(30));
}
else if (s_systemClockChanged.Count % 64 == 0)
{
CollectHandlers();
}
}
}
private async Task OnBecomeActiveStop(CancellationToken ct)
{
if (this.isFastKilledNeeded)
{
return;
}
bool gracefully = !ct.IsCancellationRequested;
string operation = gracefully ? "Shutdown()" : "Stop()";
try
{
if (gracefully)
{
logger.Info(ErrorCode.SiloShuttingDown, "Silo starting to Shutdown()");
//Stop LocalGrainDirectory
await LocalScheduler.QueueTask(() => localGrainDirectory.Stop(true), localGrainDirectory.CacheValidator)
.WithCancellation(ct, "localGrainDirectory Stop failed because the task was cancelled");
SafeExecute(() => catalog.DeactivateAllActivations().Wait(ct));
//wait for all queued message sent to OutboundMessageQueue before MessageCenter stop and OutboundMessageQueue stop.
await Task.Delay(WaitForMessageToBeQueuedForOutbound);
}
}
catch (Exception exc)
{
logger.Error(ErrorCode.SiloFailedToStopMembership,
$"Failed to {operation}. About to FastKill this silo.", exc);
this.isFastKilledNeeded = true;
}
// Stop the gateway
SafeExecute(messageCenter.StopAcceptingClientMessages);
SafeExecute(() => catalog?.Stop());
}
private async Task OnBecomeActiveStop(CancellationToken ct)
{
if (this.isFastKilledNeeded)
{
return;
}
bool gracefully = !ct.IsCancellationRequested;
try
{
if (gracefully)
{
// Stop LocalGrainDirectory
await LocalScheduler.QueueTask(() => localGrainDirectory.Stop(true), localGrainDirectory.CacheValidator)
.WithCancellation(ct, "Failed to stop local grain directory gracefully before cancellation");
SafeExecute(() => catalog.DeactivateAllActivations().Wait(ct));
// Wait for all queued message sent to OutboundMessageQueue before MessageCenter stop and OutboundMessageQueue stop.
await Task.Delay(WaitForMessageToBeQueuedForOutbound);
}
}
catch (Exception exc)
{
logger.LogError(
(int)ErrorCode.SiloFailedToStopMembership,
exc,
"Failed to shutdown gracefully. About to terminate ungracefully");
this.isFastKilledNeeded = true;
}
// Stop the gateway
SafeExecute(messageCenter.StopAcceptingClientMessages);
SafeExecute(() => catalog?.Stop());
}
/// <summary> Return dump of diagnostic data from this silo. </summary>
/// <param name="all"></param>
/// <returns>Debug data for this silo.</returns>
public string GetDebugDump(bool all = true)
{
var sb = new StringBuilder();
foreach (var systemTarget in activationDirectory.AllSystemTargets())
{
sb.AppendFormat("System target {0}:", ((ISystemTargetBase)systemTarget).GrainId.ToString()).AppendLine();
}
var enumerator = activationDirectory.GetEnumerator();
while (enumerator.MoveNext())
{
Utils.SafeExecute(() =>
{
var activationData = enumerator.Current.Value;
var workItemGroup = LocalScheduler.GetWorkItemGroup(activationData);
if (workItemGroup == null)
{
sb.AppendFormat("Activation with no work item group!! Grain {0}, activation {1}.",
activationData.GrainId,
activationData.ActivationId);
sb.AppendLine();
return;
}
if (all || activationData.State.Equals(ActivationState.Valid))
{
sb.AppendLine(workItemGroup.DumpStatus());
sb.AppendLine(activationData.DumpStatus());
}
});
}
logger.Info(ErrorCode.SiloDebugDump, sb.ToString());
return(sb.ToString());
}
