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());
}
