public MonitoredObserver(string name, int stage, ILifecycleObserver observer, ILogger <SiloLifecycleSubject> logger)
{
this.Name = name;
this.Stage = stage;
this.observer = observer;
this.logger = logger;
}
public override IDisposable Subscribe(string observerName, int stage, ILifecycleObserver observer)
{
var monitoredObserver = new MonitoredObserver(observerName, stage, observer, this.logger);
this.observers.Add(monitoredObserver);
return(base.Subscribe(observerName, stage, monitoredObserver));
}
public IDisposable Subscribe(int stage, ILifecycleObserver observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
var orderedObserver = new OrderedObserver(stage, observer);
this.subscribers.TryAdd(orderedObserver, orderedObserver);
return(new Disposable(() => Remove(orderedObserver)));
}
public IDisposable Subscribe(ILifecycleObserver observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
var key = new object();
subscribers.TryAdd(key, observer);
return(new Disposable(() => Remove(key)));
}
public IDisposable Subscribe(ILifecycleObserver observer, int ring = Constants.RingZero)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
var key = new object();
subscribers.TryAdd(key, new OrderedObserver(observer, ring));
return(new Disposable(() => Remove(key)));
}
public virtual IDisposable Subscribe(string observerName, int stage, ILifecycleObserver observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
if (this.highStage.HasValue)
{
throw new InvalidOperationException("Lifecycle has already been started.");
}
var orderedObserver = new OrderedObserver(stage, observer);
this.subscribers.Add(orderedObserver);
return(new Disposable(() => this.subscribers.Remove(orderedObserver)));
}
internal TinkerHost(IServiceCollection appServices, IServiceProvider hostingServiceProvider, IEnumerable <Type> members)
{
if (appServices == null)
{
throw new ArgumentNullException(nameof(appServices));
}
if (hostingServiceProvider == null)
{
throw new ArgumentNullException(nameof(hostingServiceProvider));
}
if (members == null)
{
throw new ArgumentNullException(nameof(members));
}
this.members = members.Select(type => hostingServiceProvider.GetService(type) ?? Activator.CreateInstance(type))
.ToList();
this.lifecycle = hostingServiceProvider.GetRequiredService <ILifecycleObserver>();
}
public static Task OnStop(this ILifecycleObserver observer)
{
return(observer.OnStop(CancellationToken.None));
}
public void RegisterObserver(ILifecycleObserver observer)
{
observers.Add(observer);
}
public void RemoveObserver(ILifecycleObserver lifecycleObserver)
{
_lifecycleObservers.Remove(lifecycleObserver);
}
public void AddObserver(ILifecycleObserver lifecycleObserver)
{
_lifecycleObservers.Add(lifecycleObserver);
}
public static IDisposable Subscribe(this IGrainLifecycle observable, GrainLifecycleStage stage, ILifecycleObserver observer)
{
return(observable.Subscribe((int)stage, observer));
}
public IDisposable Subscribe(string observerName, int stage, ILifecycleObserver observer)
{
throw new NotImplementedException();
}
public OrderedObserver(ILifecycleObserver observer, int ring)
{
Observer = observer;
Ring = ring;
}
/// <summary>
/// Creates a disposable subscription to the lifecycle.
/// </summary>
/// <param name="observable">The lifecycle observable.</param>
/// <param name="stage">The stage to participate in.</param>
/// <param name="observer">The observer.</param>
/// <returns>A <see cref="IDisposable"/> instance which can be disposed to unsubscribe the observer from the lifecycle.</returns>
public static IDisposable Subscribe(this ILifecycleObservable observable, int stage, ILifecycleObserver observer)
{
return(observable.Subscribe(observer.GetType().FullName, stage, observer));
}
/// <summary>
/// Creates a disposable subscription to the lifecycle.
/// </summary>
/// <typeparam name="TObserver">
/// The observer type, used for diagnostics.
/// </typeparam>
/// <param name="observable">The lifecycle observable.</param>
/// <param name="stage">The stage to participate in.</param>
/// <param name="observer">The observer.</param>
/// <returns>A <see cref="IDisposable"/> instance which can be disposed to unsubscribe the observer from the lifecycle.</returns>
public static IDisposable Subscribe <TObserver>(this ILifecycleObservable observable, int stage, ILifecycleObserver observer)
{
return(observable.Subscribe(typeof(TObserver).FullName, stage, observer));
}
public OrderedObserver(int stage, ILifecycleObserver observer)
{
Stage = stage;
Observer = observer;
}
public OrderedObserver(int stage, ILifecycleObserver observer)
{
this.Stage = stage;
this.Observer = observer;
}
public Silo(ILocalSiloDetails siloDetails, IServiceProvider services)
{
string name = siloDetails.Name;
// Temporarily still require this. Hopefuly gone when 2.0 is released.
this.siloDetails = siloDetails;
this.SystemStatus = SystemStatus.Creating;
AsynchAgent.IsStarting = true;
var startTime = DateTime.UtcNow;
IOptions <SiloStatisticsOptions> statisticsOptions = services.GetRequiredService <IOptions <SiloStatisticsOptions> >();
StatisticsCollector.Initialize(statisticsOptions.Value.CollectionLevel);
IOptions <MembershipOptions> membershipOptions = services.GetRequiredService <IOptions <MembershipOptions> >();
initTimeout = membershipOptions.Value.MaxJoinAttemptTime;
if (Debugger.IsAttached)
{
initTimeout = StandardExtensions.Max(TimeSpan.FromMinutes(10), membershipOptions.Value.MaxJoinAttemptTime);
stopTimeout = initTimeout;
}
var localEndpoint = this.siloDetails.SiloAddress.Endpoint;
services.GetService <SerializationManager>().RegisterSerializers(services.GetService <IApplicationPartManager>());
this.Services = services;
this.Services.InitializeSiloUnobservedExceptionsHandler();
//set PropagateActivityId flag from node config
IOptions <SiloMessagingOptions> messagingOptions = services.GetRequiredService <IOptions <SiloMessagingOptions> >();
RequestContext.PropagateActivityId = messagingOptions.Value.PropagateActivityId;
this.loggerFactory = this.Services.GetRequiredService <ILoggerFactory>();
logger = this.loggerFactory.CreateLogger <Silo>();
logger.Info(ErrorCode.SiloGcSetting, "Silo starting with GC settings: ServerGC={0} GCLatencyMode={1}", GCSettings.IsServerGC, Enum.GetName(typeof(GCLatencyMode), GCSettings.LatencyMode));
if (!GCSettings.IsServerGC)
{
logger.Warn(ErrorCode.SiloGcWarning, "Note: Silo not running with ServerGC turned on - recommend checking app config : <configuration>-<runtime>-<gcServer enabled=\"true\">");
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 silo on host {0} MachineName {1} at {2}, gen {3} --------------",
this.siloDetails.DnsHostName, Environment.MachineName, localEndpoint, this.siloDetails.SiloAddress.Generation);
logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0}", name);
var siloMessagingOptions = this.Services.GetRequiredService <IOptions <SiloMessagingOptions> >();
BufferPool.InitGlobalBufferPool(siloMessagingOptions.Value);
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;
}
// Performance metrics
siloStatistics = Services.GetRequiredService <SiloStatisticsManager>();
// The scheduler
scheduler = Services.GetRequiredService <OrleansTaskScheduler>();
healthCheckParticipants.Add(scheduler);
runtimeClient = Services.GetRequiredService <InsideRuntimeClient>();
// Initialize the message center
messageCenter = Services.GetRequiredService <MessageCenter>();
var dispatcher = this.Services.GetRequiredService <Dispatcher>();
messageCenter.RerouteHandler = dispatcher.RerouteMessage;
messageCenter.SniffIncomingMessage = runtimeClient.SniffIncomingMessage;
// GrainRuntime can be created only here, after messageCenter was created.
this.grainRuntime = Services.GetRequiredService <IGrainRuntime>();
// 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 = Services.GetRequiredService <LocalGrainDirectory>();
// Now the activation directory.
activationDirectory = Services.GetRequiredService <ActivationDirectory>();
// Now the consistent ring provider
RingProvider = Services.GetRequiredService <IConsistentRingProvider>();
catalog = Services.GetRequiredService <Catalog>();
executorService = Services.GetRequiredService <ExecutorService>();
// Now the incoming message agents
var messageFactory = this.Services.GetRequiredService <MessageFactory>();
incomingSystemAgent = new IncomingMessageAgent(Message.Categories.System, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingPingAgent = new IncomingMessageAgent(Message.Categories.Ping, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingAgent = new IncomingMessageAgent(Message.Categories.Application, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
membershipOracle = Services.GetRequiredService <IMembershipOracle>();
this.siloOptions = Services.GetRequiredService <IOptions <SiloOptions> >().Value;
var multiClusterOptions = Services.GetRequiredService <IOptions <MultiClusterOptions> >().Value;
if (!multiClusterOptions.HasMultiClusterNetwork)
{
logger.Info("Skip multicluster oracle creation (no multicluster network configured)");
}
else
{
multiClusterOracle = Services.GetRequiredService <IMultiClusterOracle>();
}
this.SystemStatus = SystemStatus.Created;
AsynchAgent.IsStarting = false;
StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
() => LogFormatter.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.
var fullSiloLifecycle = this.Services.GetRequiredService <SiloLifecycle>();
this.siloLifecycle = fullSiloLifecycle;
// register all lifecycle participants
IEnumerable <ILifecycleParticipant <ISiloLifecycle> > lifecycleParticipants = this.Services.GetServices <ILifecycleParticipant <ISiloLifecycle> >();
foreach (ILifecycleParticipant <ISiloLifecycle> participant in lifecycleParticipants)
{
participant?.Participate(fullSiloLifecycle);
}
// register all named lifecycle participants
IKeyedServiceCollection <string, ILifecycleParticipant <ISiloLifecycle> > namedLifecycleParticipantCollection = this.Services.GetService <IKeyedServiceCollection <string, ILifecycleParticipant <ISiloLifecycle> > >();
foreach (ILifecycleParticipant <ISiloLifecycle> participant in namedLifecycleParticipantCollection
?.GetServices(this.Services)
?.Select(s => s.GetService(this.Services)))
{
participant?.Participate(fullSiloLifecycle);
}
// add self to lifecycle
this.Participate(fullSiloLifecycle);
logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
}
internal Silo(SiloInitializationParameters initializationParams, IServiceProvider services)
{
string name = initializationParams.Name;
ClusterConfiguration config = initializationParams.ClusterConfig;
this.initializationParams = initializationParams;
this.SystemStatus = SystemStatus.Creating;
AsynchAgent.IsStarting = true;
var startTime = DateTime.UtcNow;
services?.GetService <TelemetryManager>()?.AddFromConfiguration(services, LocalConfig.TelemetryConfiguration);
StatisticsCollector.Initialize(LocalConfig);
initTimeout = GlobalConfig.MaxJoinAttemptTime;
if (Debugger.IsAttached)
{
initTimeout = StandardExtensions.Max(TimeSpan.FromMinutes(10), GlobalConfig.MaxJoinAttemptTime);
stopTimeout = initTimeout;
}
var localEndpoint = this.initializationParams.SiloAddress.Endpoint;
// Configure DI using Startup type
if (services == null)
{
var serviceCollection = new ServiceCollection();
serviceCollection.AddSingleton <Silo>(this);
serviceCollection.AddSingleton(initializationParams);
serviceCollection.AddLegacyClusterConfigurationSupport(config);
serviceCollection.Configure <SiloIdentityOptions>(options => options.SiloName = name);
var hostContext = new HostBuilderContext(new Dictionary <object, object>());
DefaultSiloServices.AddDefaultServices(hostContext, serviceCollection);
var applicationPartManager = hostContext.GetApplicationPartManager();
applicationPartManager.AddApplicationPartsFromAppDomain();
applicationPartManager.AddApplicationPartsFromBasePath();
services = StartupBuilder.ConfigureStartup(this.LocalConfig.StartupTypeName, serviceCollection);
services.GetService <TelemetryManager>()?.AddFromConfiguration(services, LocalConfig.TelemetryConfiguration);
}
services.GetService <SerializationManager>().RegisterSerializers(services.GetService <ApplicationPartManager>());
this.Services = services;
this.Services.InitializeSiloUnobservedExceptionsHandler();
//set PropagateActivityId flag from node cofnig
RequestContext.PropagateActivityId = this.initializationParams.NodeConfig.PropagateActivityId;
this.loggerFactory = this.Services.GetRequiredService <ILoggerFactory>();
logger = this.loggerFactory.CreateLogger <Silo>();
logger.Info(ErrorCode.SiloGcSetting, "Silo starting with GC settings: ServerGC={0} GCLatencyMode={1}", GCSettings.IsServerGC, Enum.GetName(typeof(GCLatencyMode), GCSettings.LatencyMode));
if (!GCSettings.IsServerGC)
{
logger.Warn(ErrorCode.SiloGcWarning, "Note: Silo not running with ServerGC turned on - recommend checking app config : <configuration>-<runtime>-<gcServer enabled=\"true\">");
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} --------------",
this.initializationParams.Type, LocalConfig.DNSHostName, Environment.MachineName, localEndpoint, this.initializationParams.SiloAddress.Generation);
logger.Info(ErrorCode.SiloInitConfig, "Starting silo {0} with the following configuration= " + Environment.NewLine + "{1}",
name, config.ToString(name));
var siloMessagingOptions = this.Services.GetRequiredService <IOptions <SiloMessagingOptions> >();
BufferPool.InitGlobalBufferPool(siloMessagingOptions);
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;
}
// Performance metrics
siloStatistics = Services.GetRequiredService <SiloStatisticsManager>();
// The scheduler
scheduler = Services.GetRequiredService <OrleansTaskScheduler>();
healthCheckParticipants.Add(scheduler);
runtimeClient = Services.GetRequiredService <InsideRuntimeClient>();
// Initialize the message center
messageCenter = Services.GetRequiredService <MessageCenter>();
var dispatcher = this.Services.GetRequiredService <Dispatcher>();
messageCenter.RerouteHandler = dispatcher.RerouteMessage;
messageCenter.SniffIncomingMessage = runtimeClient.SniffIncomingMessage;
// GrainRuntime can be created only here, after messageCenter was created.
grainRuntime = Services.GetRequiredService <IGrainRuntime>();
StreamProviderManager = Services.GetRequiredService <IStreamProviderManager>();
// 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 = Services.GetRequiredService <LocalGrainDirectory>();
// Now the activation directory.
activationDirectory = Services.GetRequiredService <ActivationDirectory>();
// Now the consistent ring provider
RingProvider = Services.GetRequiredService <IConsistentRingProvider>();
catalog = Services.GetRequiredService <Catalog>();
siloStatistics.MetricsTable.Scheduler = scheduler;
siloStatistics.MetricsTable.ActivationDirectory = activationDirectory;
siloStatistics.MetricsTable.ActivationCollector = catalog.ActivationCollector;
siloStatistics.MetricsTable.MessageCenter = messageCenter;
executorService = Services.GetRequiredService <ExecutorService>();
// Now the incoming message agents
var messageFactory = this.Services.GetRequiredService <MessageFactory>();
incomingSystemAgent = new IncomingMessageAgent(Message.Categories.System, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingPingAgent = new IncomingMessageAgent(Message.Categories.Ping, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
incomingAgent = new IncomingMessageAgent(Message.Categories.Application, messageCenter, activationDirectory, scheduler, catalog.Dispatcher, messageFactory, executorService, this.loggerFactory);
membershipOracle = Services.GetRequiredService <IMembershipOracle>();
if (!this.GlobalConfig.HasMultiClusterNetwork)
{
logger.Info("Skip multicluster oracle creation (no multicluster network configured)");
}
else
{
multiClusterOracle = Services.GetRequiredService <IMultiClusterOracle>();
}
this.SystemStatus = SystemStatus.Created;
AsynchAgent.IsStarting = false;
StringValueStatistic.FindOrCreate(StatisticNames.SILO_START_TIME,
() => LogFormatter.PrintDate(startTime)); // this will help troubleshoot production deployment when looking at MDS logs.
var fullSiloLifecycle = this.Services.GetRequiredService <SiloLifecycle>();
this.siloLifecycle = fullSiloLifecycle;
IEnumerable <ILifecycleParticipant <ISiloLifecycle> > lifecyleParticipants = this.Services.GetServices <ILifecycleParticipant <ISiloLifecycle> >();
foreach (ILifecycleParticipant <ISiloLifecycle> participant in lifecyleParticipants)
{
participant.Participate(fullSiloLifecycle);
}
this.Participate(fullSiloLifecycle);
logger.Info(ErrorCode.SiloInitializingFinished, "-------------- Started silo {0}, ConsistentHashCode {1:X} --------------", SiloAddress.ToLongString(), SiloAddress.GetConsistentHashCode());
}
public LifecycleOrderedObserver(string name, int stage, ILifecycleObserver observer)
: base(name, stage)
{
Observer = observer;
}
