private void DoStart()
{
lock (lockable)
{
if (!SystemStatus.Current.Equals(SystemStatus.Created))
{
throw new InvalidOperationException(String.Format("Calling Silo.Start() on a silo which is not in the Created state. This silo is in the {0} state.", SystemStatus.Current));
}
SystemStatus.Current = SystemStatus.Starting;
}
logger.Info(ErrorCode.SiloStarting, "Silo Start()");
// Hook up to receive notification of process exit / Ctrl-C events
AppDomain.CurrentDomain.ProcessExit += HandleProcessExit;
Console.CancelKeyPress += HandleProcessExit;
ConfigureThreadPoolAndServicePointSettings();
// This has to start first so that the directory system target factory gets loaded before we start the router.
typeManager.Start();
InsideRuntimeClient.Current.Start();
// The order of these 4 is pretty much arbitrary.
scheduler.Start();
messageCenter.Start();
incomingPingAgent.Start();
incomingSystemAgent.Start();
incomingAgent.Start();
LocalGrainDirectory.Start();
// Set up an execution context for this thread so that the target creation steps can use asynch values.
RuntimeContext.InitializeMainThread();
SiloProviderRuntime.Initialize(GlobalConfig, SiloIdentity, grainFactory, Services);
InsideRuntimeClient.Current.CurrentStreamProviderRuntime = SiloProviderRuntime.Instance;
statisticsProviderManager = new StatisticsProviderManager("Statistics", SiloProviderRuntime.Instance);
string statsProviderName = statisticsProviderManager.LoadProvider(GlobalConfig.ProviderConfigurations)
.WaitForResultWithThrow(initTimeout);
if (statsProviderName != null)
{
LocalConfig.StatisticsProviderName = statsProviderName;
}
allSiloProviders.AddRange(statisticsProviderManager.GetProviders());
// can call SetSiloMetricsTableDataManager only after MessageCenter is created (dependency on this.SiloAddress).
siloStatistics.SetSiloStatsTableDataManager(this, nodeConfig).WaitWithThrow(initTimeout);
siloStatistics.SetSiloMetricsTableDataManager(this, nodeConfig).WaitWithThrow(initTimeout);
IMembershipTable membershipTable = membershipFactory.GetMembershipTable(GlobalConfig.LivenessType, GlobalConfig.MembershipTableAssembly);
membershipOracle = membershipFactory.CreateMembershipOracle(this, membershipTable);
multiClusterOracle = multiClusterFactory.CreateGossipOracle(this).WaitForResultWithThrow(initTimeout);
// This has to follow the above steps that start the runtime components
CreateSystemTargets();
InjectDependencies();
// Validate the configuration.
GlobalConfig.Application.ValidateConfiguration(logger);
// ensure this runs in the grain context, wait for it to complete
scheduler.QueueTask(CreateSystemGrains, catalog.SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("System grains created successfully.");
}
// Initialize storage providers once we have a basic silo runtime environment operating
storageProviderManager = new StorageProviderManager(grainFactory, Services);
scheduler.QueueTask(
() => storageProviderManager.LoadStorageProviders(GlobalConfig.ProviderConfigurations),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
catalog.SetStorageManager(storageProviderManager);
allSiloProviders.AddRange(storageProviderManager.GetProviders());
if (logger.IsVerbose)
{
logger.Verbose("Storage provider manager created successfully.");
}
// Load and init stream providers before silo becomes active
var siloStreamProviderManager = (StreamProviderManager)grainRuntime.StreamProviderManager;
scheduler.QueueTask(
() => siloStreamProviderManager.LoadStreamProviders(GlobalConfig.ProviderConfigurations, SiloProviderRuntime.Instance),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
InsideRuntimeClient.Current.CurrentStreamProviderManager = siloStreamProviderManager;
allSiloProviders.AddRange(siloStreamProviderManager.GetProviders());
if (logger.IsVerbose)
{
logger.Verbose("Stream provider manager created successfully.");
}
ISchedulingContext statusOracleContext = ((SystemTarget)LocalSiloStatusOracle).SchedulingContext;
bool waitForPrimaryToStart = globalConfig.PrimaryNodeIsRequired && siloType != SiloType.Primary;
if (waitForPrimaryToStart) // only in MembershipTableGrain case.
{
scheduler.QueueTask(() => membershipFactory.WaitForTableToInit(membershipTable), statusOracleContext)
.WaitWithThrow(initTimeout);
}
scheduler.QueueTask(() => membershipTable.InitializeMembershipTable(GlobalConfig, true, LogManager.GetLogger(membershipTable.GetType().Name)), statusOracleContext)
.WaitWithThrow(initTimeout);
scheduler.QueueTask(() => LocalSiloStatusOracle.Start(), statusOracleContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Local silo status oracle created successfully.");
}
scheduler.QueueTask(LocalSiloStatusOracle.BecomeActive, statusOracleContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Local silo status oracle became active successfully.");
}
//if running in multi cluster scenario, start the MultiClusterNetwork Oracle
if (GlobalConfig.HasMultiClusterNetwork)
{
logger.Info("Creating multicluster oracle with my ServiceId={0} and ClusterId={1}.",
GlobalConfig.ServiceId, GlobalConfig.ClusterId);
ISchedulingContext clusterStatusContext = ((SystemTarget)multiClusterOracle).SchedulingContext;
scheduler.QueueTask(() => multiClusterOracle.Start(LocalSiloStatusOracle), clusterStatusContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("multicluster oracle created successfully.");
}
}
try
{
siloStatistics.Start(LocalConfig);
if (logger.IsVerbose)
{
logger.Verbose("Silo statistics manager started successfully.");
}
// Finally, initialize the deployment load collector, for grains with load-based placement
scheduler.QueueTask(DeploymentLoadPublisher.Instance.Start, DeploymentLoadPublisher.Instance.SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Silo deployment load publisher started successfully.");
}
// Start background timer tick to watch for platform execution stalls, such as when GC kicks in
platformWatchdog = new Watchdog(nodeConfig.StatisticsLogWriteInterval, healthCheckParticipants);
platformWatchdog.Start();
if (logger.IsVerbose)
{
logger.Verbose("Silo platform watchdog started successfully.");
}
if (reminderService != null)
{
// so, we have the view of the membership in the consistentRingProvider. We can start the reminder service
scheduler.QueueTask(reminderService.Start, ((SystemTarget)reminderService).SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Reminder service started successfully.");
}
}
bootstrapProviderManager = new BootstrapProviderManager();
scheduler.QueueTask(
() => bootstrapProviderManager.LoadAppBootstrapProviders(GlobalConfig.ProviderConfigurations),
providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
BootstrapProviders = bootstrapProviderManager.GetProviders(); // Data hook for testing & diagnotics
allSiloProviders.AddRange(BootstrapProviders);
if (logger.IsVerbose)
{
logger.Verbose("App bootstrap calls done successfully.");
}
// Start stream providers after silo is active (so the pulling agents don't start sending messages before silo is active).
// also after bootstrap provider started so bootstrap provider can initialize everything stream before events from this silo arrive.
scheduler.QueueTask(siloStreamProviderManager.StartStreamProviders, providerManagerSystemTarget.SchedulingContext)
.WaitWithThrow(initTimeout);
if (logger.IsVerbose)
{
logger.Verbose("Stream providers started successfully.");
}
// Now that we're active, we can start the gateway
var mc = messageCenter as MessageCenter;
if (mc != null)
{
mc.StartGateway(clientRegistrar);
}
if (logger.IsVerbose)
{
logger.Verbose("Message gateway service started successfully.");
}
SystemStatus.Current = SystemStatus.Running;
}
catch (Exception exc)
{
SafeExecute(() => logger.Error(ErrorCode.Runtime_Error_100330, String.Format("Error starting silo {0}. Going to FastKill().", SiloAddress), exc));
FastKill(); // if failed after Membership became active, mark itself as dead in Membership abale.
throw;
}
if (logger.IsVerbose)
{
logger.Verbose("Silo.Start complete: System status = {0}", SystemStatus.Current);
}
}
internal Silo(string name, SiloType siloType, ClusterConfiguration config, ILocalDataStore keyStore)
{
SystemStatus.Current = SystemStatus.Creating;
CurrentSilo = this;
var startTime = DateTime.UtcNow;
this.siloType = siloType;
Name = name;
siloTerminatedEvent = new ManualResetEvent(false);
OrleansConfig = config;
globalConfig = config.Globals;
config.OnConfigChange("Defaults", () => nodeConfig = config.GetOrCreateNodeConfigurationForSilo(name));
if (!LogManager.IsInitialized)
{
LogManager.Initialize(nodeConfig);
}
config.OnConfigChange("Defaults/Tracing", () => LogManager.Initialize(nodeConfig, true), false);
MultiClusterRegistrationStrategy.Initialize(config.Globals);
ActivationData.Init(config, nodeConfig);
StatisticsCollector.Initialize(nodeConfig);
SerializationManager.Initialize(globalConfig.SerializationProviders, this.globalConfig.FallbackSerializationProvider);
initTimeout = globalConfig.MaxJoinAttemptTime;
if (Debugger.IsAttached)
{
initTimeout = StandardExtensions.Max(TimeSpan.FromMinutes(10), globalConfig.MaxJoinAttemptTime);
stopTimeout = initTimeout;
}
IPEndPoint here = nodeConfig.Endpoint;
int generation = nodeConfig.Generation;
if (generation == 0)
{
generation = SiloAddress.AllocateNewGeneration();
nodeConfig.Generation = generation;
}
LogManager.MyIPEndPoint = here;
logger = LogManager.GetLogger("Silo", LoggerType.Runtime);
logger.Info(ErrorCode.SiloGcSetting, "Silo starting with GC settings: ServerGC={0} GCLatencyMode={1}", GCSettings.IsServerGC, Enum.GetName(typeof(GCLatencyMode), GCSettings.LatencyMode));
if (!GCSettings.IsServerGC || !GCSettings.LatencyMode.Equals(GCLatencyMode.Batch))
{
logger.Warn(ErrorCode.SiloGcWarning, "Note: Silo not running with ServerGC turned on or with GCLatencyMode.Batch enabled - recommend checking app config : <configuration>-<runtime>-<gcServer enabled=\"true\"> and <configuration>-<runtime>-<gcConcurrent enabled=\"false\"/>");
logger.Warn(ErrorCode.SiloGcWarning, "Note: ServerGC only kicks in on multi-core systems (settings enabling ServerGC have no effect on single-core machines).");
}
logger.Info(ErrorCode.SiloInitializing, "-------------- Initializing {0} silo on host {1} MachineName {2} at {3}, gen {4} --------------",
siloType, nodeConfig.DNSHostName, Environment.MachineName, here, generation);
logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0} with the following configuration= " + Environment.NewLine + "{1}",
name, config.ToString(name));
if (keyStore != null)
{
// Re-establish reference to shared local key store in this app domain
LocalDataStoreInstance.LocalDataStore = keyStore;
}
// Configure DI using Startup type
bool usingCustomServiceProvider;
Services = StartupBuilder.ConfigureStartup(nodeConfig.StartupTypeName, out usingCustomServiceProvider);
healthCheckParticipants = new List <IHealthCheckParticipant>();
allSiloProviders = new List <IProvider>();
BufferPool.InitGlobalBufferPool(globalConfig);
PlacementStrategy.Initialize(globalConfig);
UnobservedExceptionsHandlerClass.SetUnobservedExceptionHandler(UnobservedExceptionHandler);
AppDomain.CurrentDomain.UnhandledException +=
(obj, ev) => DomainUnobservedExceptionHandler(obj, (Exception)ev.ExceptionObject);
try
{
grainFactory = Services.GetRequiredService <GrainFactory>();
}
catch (InvalidOperationException exc)
{
logger.Error(ErrorCode.SiloStartError, "Exception during Silo.Start, GrainFactory was not registered in Dependency Injection container", exc);
throw;
}
typeManager = new GrainTypeManager(
here.Address.Equals(IPAddress.Loopback),
grainFactory,
new SiloAssemblyLoader(OrleansConfig.Defaults.AdditionalAssemblyDirectories));
// Performance metrics
siloStatistics = new SiloStatisticsManager(globalConfig, nodeConfig);
config.OnConfigChange("Defaults/LoadShedding", () => siloStatistics.MetricsTable.NodeConfig = nodeConfig, false);
// The scheduler
scheduler = new OrleansTaskScheduler(globalConfig, nodeConfig);
healthCheckParticipants.Add(scheduler);
// Initialize the message center
var mc = new MessageCenter(here, generation, globalConfig, siloStatistics.MetricsTable);
if (nodeConfig.IsGatewayNode)
{
mc.InstallGateway(nodeConfig.ProxyGatewayEndpoint);
}
messageCenter = mc;
SiloIdentity = SiloAddress.ToLongString();
// GrainRuntime can be created only here, after messageCenter was created.
grainRuntime = new GrainRuntime(
globalConfig.ServiceId,
SiloIdentity,
grainFactory,
new TimerRegistry(),
new ReminderRegistry(),
new StreamProviderManager(),
Services);
// Now the router/directory service
// This has to come after the message center //; note that it then gets injected back into the message center.;
localGrainDirectory = new LocalGrainDirectory(this);
RegistrarManager.InitializeGrainDirectoryManager(localGrainDirectory, globalConfig.GlobalSingleInstanceNumberRetries);
// Now the activation directory.
// This needs to know which router to use so that it can keep the global directory in synch with the local one.
activationDirectory = new ActivationDirectory();
// Now the consistent ring provider
RingProvider = GlobalConfig.UseVirtualBucketsConsistentRing ?
(IConsistentRingProvider) new VirtualBucketsRingProvider(SiloAddress, GlobalConfig.NumVirtualBucketsConsistentRing)
: new ConsistentRingProvider(SiloAddress);
// to preserve backwards compatibility, only use the service provider to inject grain dependencies if the user supplied his own
// service provider, meaning that he is explicitly opting into it.
var grainCreator = new GrainCreator(grainRuntime, usingCustomServiceProvider ? Services : null);
Action <Dispatcher> setDispatcher;
catalog = new Catalog(Constants.CatalogId, SiloAddress, Name, LocalGrainDirectory, typeManager, scheduler, activationDirectory, config, grainCreator, out setDispatcher);
var dispatcher = new Dispatcher(scheduler, messageCenter, catalog, config);
setDispatcher(dispatcher);
RuntimeClient.Current = new InsideRuntimeClient(
dispatcher,
catalog,
LocalGrainDirectory,
SiloAddress,
config,
RingProvider,
typeManager,
grainFactory);
messageCenter.RerouteHandler = InsideRuntimeClient.Current.RerouteMessage;
messageCenter.SniffIncomingMessage = InsideRuntimeClient.Current.SniffIncomingMessage;
siloStatistics.MetricsTable.Scheduler = scheduler;
siloStatistics.MetricsTable.ActivationDirectory = activationDirectory;
siloStatistics.MetricsTable.ActivationCollector = catalog.ActivationCollector;
siloStatistics.MetricsTable.MessageCenter = messageCenter;
DeploymentLoadPublisher.CreateDeploymentLoadPublisher(this, globalConfig);
PlacementDirectorsManager.CreatePlacementDirectorsManager(globalConfig);
// Now the incoming message agents
incomingSystemAgent = new IncomingMessageAgent(Message.Categories.System, messageCenter, activationDirectory, scheduler, dispatcher);
incomingPingAgent = new IncomingMessageAgent(Message.Categories.Ping, messageCenter, activationDirectory, scheduler, dispatcher);
incomingAgent = new IncomingMessageAgent(Message.Categories.Application, messageCenter, activationDirectory, scheduler, dispatcher);
membershipFactory = new MembershipFactory();
multiClusterFactory = new MultiClusterOracleFactory();
reminderFactory = new LocalReminderServiceFactory();
SystemStatus.Current = SystemStatus.Created;
StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
() => LogFormatter.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.
logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
}