Beispiel #1
0
        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.GetConfigurationForNode(name));

            if (!TraceLogger.IsInitialized)
            {
                TraceLogger.Initialize(nodeConfig);
            }

            config.OnConfigChange("Defaults/Tracing", () => TraceLogger.Initialize(nodeConfig, true), false);
            LimitManager.Initialize(nodeConfig);
            ActivationData.Init(config);
            StatisticsCollector.Initialize(nodeConfig);
            SerializationManager.Initialize(globalConfig.UseStandardSerializer);
            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;
            }
            TraceLogger.MyIPEndPoint = here;
            logger = TraceLogger.GetLogger("Silo", TraceLogger.LoggerType.Runtime);
            logger.Info(ErrorCode.SiloInitializing, "-------------- Initializing {0} silo on {1} at {2}, gen {3} --------------", siloType, nodeConfig.DNSHostName, here, generation);
            logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0} with runtime Version='{1}' Config= \n{2}", name, RuntimeVersion.Current, config.ToString(name));

            if (keyStore != null)
            {
                // Re-establish reference to shared local key store in this app domain
                LocalDataStoreInstance.LocalDataStore = keyStore;
            }
            healthCheckParticipants = new List <IHealthCheckParticipant>();

            BufferPool.InitGlobalBufferPool(globalConfig);
            PlacementStrategy.Initialize(globalConfig);

            UnobservedExceptionsHandlerClass.SetUnobservedExceptionHandler(UnobservedExceptionHandler);
            AppDomain.CurrentDomain.UnhandledException +=
                (obj, ev) => DomainUnobservedExceptionHandler(obj, (Exception)ev.ExceptionObject);

            typeManager = new GrainTypeManager(here.Address.Equals(IPAddress.Loopback));

            // 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;

            // 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);

            // 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);

            Action <Dispatcher> setDispatcher;

            catalog = new Catalog(Constants.CatalogId, SiloAddress, Name, LocalGrainDirectory, typeManager, scheduler, activationDirectory, config, out setDispatcher);
            var dispatcher = new Dispatcher(scheduler, messageCenter, catalog, config);

            setDispatcher(dispatcher);

            RuntimeClient.Current = new InsideRuntimeClient(
                dispatcher,
                catalog,
                LocalGrainDirectory,
                SiloAddress,
                config,
                RingProvider,
                typeManager);
            messageCenter.RerouteHandler       = InsideRuntimeClient.Current.RerouteMessage;
            messageCenter.SniffIncomingMessage = InsideRuntimeClient.Current.SniffIncomingMessage;
            messageCenter.ClientDropHandler    = grainIds =>
            {
                catalog.DeleteGrainsLocal(grainIds).Ignore();
                scheduler.RunOrQueueAction(() =>
                {
                    // Consider: batch delete
                    foreach (var id in grainIds)
                    {
                        LocalGrainDirectory.DeleteGrain(id).Ignore();
                    }
                }, catalog.SchedulingContext);
            };

            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();
            reminderFactory   = new LocalReminderServiceFactory();

            SystemStatus.Current = SystemStatus.Created;

            StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
                                              () => TraceLogger.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.

            TestHookup = new TestHookups(this);

            logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
        }