private static void InternalInitialize(ClientConfiguration config, OutsideRuntimeClient runtimeClient = null)
{
// We deliberately want to run this initialization code on .NET thread pool thread to escape any
// TPL execution environment and avoid any conflicts with client's synchronization context
var tcs = new TaskCompletionSource <ClientConfiguration>();
WaitCallback doInit = state =>
{
try
{
if (TestOnlyNoConnect)
{
Trace.TraceInformation("TestOnlyNoConnect - Returning before connecting to cluster.");
}
else
{
// Finish initializing this client connection to the Orleans cluster
DoInternalInitialize(config, runtimeClient);
}
tcs.SetResult(config); // Resolve promise
}
catch (Exception exc)
{
tcs.SetException(exc); // Break promise
}
};
// Queue Init call to thread pool thread
ThreadPool.QueueUserWorkItem(doInit, null);
CurrentConfig = tcs.Task.Result; // Wait for Init to finish
}
/// <summary>
/// This is the lock free version of uninitilize so we can share
/// it between the public method and error paths inside initialize.
/// This should only be called inside a lock(initLock) block.
/// </summary>
private static void InternalUninitialize()
{
// Update this first so IsInitialized immediately begins returning
// false. Since this method should be protected externally by
// a lock(initLock) we should be able to reset everything else
// before the next init attempt.
isFullyInitialized = false;
LimitManager.UnInitialize();
if (RuntimeClient.Current != null)
{
try
{
RuntimeClient.Current.Reset();
}
catch (Exception) { }
RuntimeClient.Current = null;
try
{
ClientProviderRuntime.UninitializeSingleton();
}
catch (Exception) { }
}
outsideRuntimeClient = null;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClusterClient"/> class.
/// </summary>
/// <param name="runtimeClient">The runtime client.</param>
/// <param name="configuration">The client configuration.</param>
/// <param name="loggerFactory">Logger factory used to create loggers</param>
public ClusterClient(OutsideRuntimeClient runtimeClient, ILoggerFactory loggerFactory, IOptions <ClientMessagingOptions> clientMessagingOptions)
{
this.runtimeClient = runtimeClient;
this.clusterClientLifecycle = new ClusterClientLifecycle(loggerFactory);
//set PropagateActivityId flag from node cofnig
RequestContext.PropagateActivityId = clientMessagingOptions.Value.PropagateActivityId;
// register all lifecycle participants
IEnumerable <ILifecycleParticipant <IClusterClientLifecycle> > lifecycleParticipants = this.ServiceProvider.GetServices <ILifecycleParticipant <IClusterClientLifecycle> >();
foreach (ILifecycleParticipant <IClusterClientLifecycle> participant in lifecycleParticipants)
{
participant?.Participate(clusterClientLifecycle);
}
// register all named lifecycle participants
IKeyedServiceCollection <string, ILifecycleParticipant <IClusterClientLifecycle> > namedLifecycleParticipantCollections = this.ServiceProvider.GetService <IKeyedServiceCollection <string, ILifecycleParticipant <IClusterClientLifecycle> > >();
foreach (ILifecycleParticipant <IClusterClientLifecycle> participant in namedLifecycleParticipantCollections
?.GetServices(this.ServiceProvider)
?.Select(s => s?.GetService(this.ServiceProvider)))
{
participant?.Participate(clusterClientLifecycle);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ClusterClient"/> class.
/// </summary>
/// <param name="serviceProvider">The service provider.</param>
/// <param name="runtimeClient">The runtime client.</param>
/// <param name="loggerFactory">Logger factory used to create loggers</param>
/// <param name="clientMessagingOptions">Messaging parameters</param>
public ClusterClient(IServiceProvider serviceProvider, OutsideRuntimeClient runtimeClient, ILoggerFactory loggerFactory, IOptions <ClientMessagingOptions> clientMessagingOptions)
{
ValidateSystemConfiguration(serviceProvider);
_runtimeClient = runtimeClient;
_logger = loggerFactory.CreateLogger <ClusterClient>();
_clusterClientLifecycle = new ClusterClientLifecycle(_logger);
//set PropagateActivityId flag from node config
RequestContext.PropagateActivityId |= clientMessagingOptions.Value.PropagateActivityId;
// register all lifecycle participants
IEnumerable <ILifecycleParticipant <IClusterClientLifecycle> > lifecycleParticipants = ServiceProvider.GetServices <ILifecycleParticipant <IClusterClientLifecycle> >();
foreach (var participant in lifecycleParticipants)
{
participant?.Participate(_clusterClientLifecycle);
}
// register all named lifecycle participants
IKeyedServiceCollection <string, ILifecycleParticipant <IClusterClientLifecycle> > namedLifecycleParticipantCollections = ServiceProvider.GetService <IKeyedServiceCollection <string, ILifecycleParticipant <IClusterClientLifecycle> > >();
foreach (var participant in namedLifecycleParticipantCollections
?.GetServices(ServiceProvider)
?.Select(s => s?.GetService(ServiceProvider)))
{
participant?.Participate(_clusterClientLifecycle);
}
/// <summary>
/// Initializes client runtime from client configuration object.
/// </summary>
private static void DoInternalInitialize(ClientConfiguration config)
{
if (IsInitialized)
{
return;
}
lock (initLock)
{
if (!IsInitialized)
{
try
{
// this is probably overkill, but this ensures isFullyInitialized false
// before we make a call that makes RuntimeClient.Current not null
isFullyInitialized = false;
outsideRuntimeClient = new OutsideRuntimeClient(config); // Keep reference, to avoid GC problems
outsideRuntimeClient.Start();
// this needs to be the last successful step inside the lock so
// IsInitialized doesn't return true until we're fully initialized
isFullyInitialized = true;
}
catch (Exception exc)
{
// just make sure to fully Uninitialize what we managed to partially initialize, so we don't end up in inconsistent state and can later on re-initialize.
Console.WriteLine("Initialization failed. {0}", exc);
InternalUninitialize();
throw;
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ClusterClient"/> class.
/// </summary>
/// <param name="runtimeClient">The runtime client.</param>
/// <param name="loggerFactory">Logger factory used to create loggers</param>
/// <param name="clientMessagingOptions">Messaging parameters</param>
public ClusterClient(OutsideRuntimeClient runtimeClient, ILoggerFactory loggerFactory, IOptions <ClientMessagingOptions> clientMessagingOptions)
{
this.runtimeClient = runtimeClient;
this.logger = loggerFactory.CreateLogger <ClusterClient>();
this.clusterClientLifecycle = new ClusterClientLifecycle(loggerFactory.CreateLogger <LifecycleSubject>());
//set PropagateActivityId flag from node config
RequestContext.PropagateActivityId |= clientMessagingOptions.Value.PropagateActivityId;
// register all lifecycle participants
IEnumerable <ILifecycleParticipant <IClusterClientLifecycle> > lifecycleParticipants = this.ServiceProvider.GetServices <ILifecycleParticipant <IClusterClientLifecycle> >();
foreach (var participant in lifecycleParticipants)
{
participant?.Participate(clusterClientLifecycle);
}
// register all named lifecycle participants
IKeyedServiceCollection <string, ILifecycleParticipant <IClusterClientLifecycle> > namedLifecycleParticipantCollections = this.ServiceProvider.GetService <IKeyedServiceCollection <string, ILifecycleParticipant <IClusterClientLifecycle> > >();
foreach (var participant in namedLifecycleParticipantCollections
?.GetServices(this.ServiceProvider)
?.Select(s => s?.GetService(this.ServiceProvider)))
{
participant?.Participate(clusterClientLifecycle);
}
// It is fine for this field to be null in the case that the client is not the host.
this.applicationLifetime = runtimeClient.ServiceProvider.GetService <IHostApplicationLifetime>() as ClientApplicationLifetime;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClusterClient"/> class.
/// </summary>
/// <param name="runtimeClient">The runtime client.</param>
/// <param name="configuration">The client configuration.</param>
/// <param name="loggerFactory">Logger factory used to create loggers</param>
public ClusterClient(OutsideRuntimeClient runtimeClient, ClientConfiguration configuration, ILoggerFactory loggerFactory)
{
this.Configuration = configuration;
this.runtimeClient = runtimeClient;
//set PropagateActivityId flag from node cofnig
RequestContext.PropagateActivityId = configuration.PropagateActivityId;
}
private static void InternalInitialize(ClientConfiguration config, OutsideRuntimeClient runtimeClient = null)
{
// We deliberately want to run this initialization code on .NET thread pool thread to escape any
// TPL execution environment and avoid any conflicts with client's synchronization context
var tcs = new TaskCompletionSource <ClientConfiguration>();
WaitCallback doInit = state =>
{
try
{
if (TestOnlyNoConnect)
{
Trace.TraceInformation("TestOnlyNoConnect - Returning before connecting to cluster.");
}
else
{
// Finish initializing this client connection to the Orleans cluster
DoInternalInitialize(config, runtimeClient);
}
tcs.SetResult(config); // Resolve promise
}
catch (Exception exc)
{
tcs.SetException(exc); // Break promise
}
};
// Queue Init call to thread pool thread
ThreadPool.QueueUserWorkItem(doInit, null);
try
{
CurrentConfig = tcs.Task.Result; // Wait for Init to finish
}
catch (AggregateException ae)
{
// Flatten the aggregate exception, which can be deeply nested.
ae = ae.Flatten();
// If there is just one exception in the aggregate exception, throw that, otherwise throw the entire
// flattened aggregate exception.
var innerExceptions = ae.InnerExceptions;
var exceptionToThrow = innerExceptions.Count == 1 ? innerExceptions[0] : ae;
ExceptionDispatchInfo.Capture(exceptionToThrow).Throw();
}
}
/// <summary>
/// This is the lock free version of uninitilize so we can share
/// it between the public method and error paths inside initialize.
/// This should only be called inside a lock(initLock) block.
/// </summary>
private static void InternalUninitialize(bool cleanup = true)
{
// Update this first so IsInitialized immediately begins returning
// false. Since this method should be protected externally by
// a lock(initLock) we should be able to reset everything else
// before the next init attempt.
isFullyInitialized = false;
if (RuntimeClient.Current != null)
{
try
{
RuntimeClient.Current.Reset(cleanup);
}
catch (Exception) { }
RuntimeClient.Current = null;
}
outsideRuntimeClient = null;
grainFactory = null;
}
/// <summary>
/// This is the lock free version of uninitilize so we can share
/// it between the public method and error paths inside initialize.
/// This should only be called inside a lock(initLock) block.
/// </summary>
private static void InternalUninitialize(bool cleanup = true)
{
// Update this first so IsInitialized immediately begins returning
// false. Since this method should be protected externally by
// a lock(initLock) we should be able to reset everything else
// before the next init attempt.
isFullyInitialized = false;
if (RuntimeClient.Current != null)
{
try
{
RuntimeClient.Current.Reset(cleanup);
}
catch (Exception) { }
RuntimeClient.Current = null;
}
outsideRuntimeClient = null;
grainFactory = null;
}
/// <summary>
/// Initializes client runtime from client configuration object.
/// </summary>
private static void DoInternalInitialize(ClientConfiguration config, OutsideRuntimeClient runtimeClient = null)
{
if (IsInitialized)
return;
lock (initLock)
{
if (!IsInitialized)
{
try
{
// this is probably overkill, but this ensures isFullyInitialized false
// before we make a call that makes RuntimeClient.Current not null
isFullyInitialized = false;
grainFactory = new GrainFactory();
if (runtimeClient == null)
{
runtimeClient = new OutsideRuntimeClient(config, grainFactory);
}
outsideRuntimeClient = runtimeClient; // Keep reference, to avoid GC problems
outsideRuntimeClient.Start();
// this needs to be the last successful step inside the lock so
// IsInitialized doesn't return true until we're fully initialized
isFullyInitialized = true;
}
catch (Exception exc)
{
// just make sure to fully Uninitialize what we managed to partially initialize, so we don't end up in inconsistent state and can later on re-initialize.
Console.WriteLine("Initialization failed. {0}", exc);
InternalUninitialize();
throw;
}
}
}
}
private static void InternalInitialize(ClientConfiguration config, OutsideRuntimeClient runtimeClient = null)
{
// We deliberately want to run this initialization code on .NET thread pool thread to escape any
// TPL execution environment and avoid any conflicts with client's synchronization context
var tcs = new TaskCompletionSource<ClientConfiguration>();
WaitCallback doInit = state =>
{
try
{
if (TestOnlyNoConnect)
{
Trace.TraceInformation("TestOnlyNoConnect - Returning before connecting to cluster.");
}
else
{
// Finish initializing this client connection to the Orleans cluster
DoInternalInitialize(config, runtimeClient);
}
tcs.SetResult(config); // Resolve promise
}
catch (Exception exc)
{
tcs.SetException(exc); // Break promise
}
};
// Queue Init call to thread pool thread
ThreadPool.QueueUserWorkItem(doInit, null);
try
{
CurrentConfig = tcs.Task.Result; // Wait for Init to finish
}
catch (AggregateException ae)
{
// Flatten the aggregate exception, which can be deeply nested.
ae = ae.Flatten();
// If there is just one exception in the aggregate exception, throw that, otherwise throw the entire
// flattened aggregate exception.
var innerExceptions = ae.InnerExceptions;
var exceptionToThrow = innerExceptions.Count == 1 ? innerExceptions[0] : ae;
ExceptionDispatchInfo.Capture(exceptionToThrow).Throw();
}
}
private static void InternalInitialize(ClientConfiguration config, OutsideRuntimeClient runtimeClient = null)
{
// We deliberately want to run this initialization code on .NET thread pool thread to escape any
// TPL execution environment and avoid any conflicts with client's synchronization context
var tcs = new TaskCompletionSource<ClientConfiguration>();
WaitCallback doInit = state =>
{
try
{
if (TestOnlyNoConnect)
{
Trace.TraceInformation("TestOnlyNoConnect - Returning before connecting to cluster.");
}
else
{
// Finish initializing this client connection to the Orleans cluster
DoInternalInitialize(config, runtimeClient);
}
tcs.SetResult(config); // Resolve promise
}
catch (Exception exc)
{
tcs.SetException(exc); // Break promise
}
};
// Queue Init call to thread pool thread
ThreadPool.QueueUserWorkItem(doInit, null);
CurrentConfig = tcs.Task.Result; // Wait for Init to finish
}
/// <summary>
/// Initializes a new instance of the <see cref="ClusterClient"/> class.
/// </summary>
/// <param name="runtimeClient">The runtime client.</param>
/// <param name="configuration">The client configuration.</param>
public ClusterClient(OutsideRuntimeClient runtimeClient, ClientConfiguration configuration)
{
this.Configuration = configuration;
this.runtimeClient = runtimeClient;
}