private async ValueTask <Consumer <T> > PatternTopicSubscribe <T>(ConsumerConfigurationData <T> conf, ISchema <T> schema)
{
var regex = conf.TopicsPattern.ToString();
var subscriptionMode = ConvertRegexSubscriptionMode(conf.RegexSubscriptionMode);
var destination = TopicName.Get(regex);
var namespaceName = destination.NamespaceObject;
IActorRef consumer = null;
try
{
var ask = await _lookup.Ask <AskResponse>(new GetTopicsUnderNamespace(namespaceName, subscriptionMode.Value)).ConfigureAwait(false);
if (ask.Failed)
{
throw ask.Exception;
}
var result = ask.ConvertTo <GetTopicsUnderNamespaceResponse>();
var topics = result.Topics;
if (_actorSystem.Log.IsDebugEnabled)
{
_actorSystem.Log.Debug($"Get topics under namespace {namespaceName}, topics.size: {topics.Count}");
topics.ForEach(topicName => _actorSystem.Log.Debug($"Get topics under namespace {namespaceName}, topic: {topicName}"));
}
var topicsList = TopicsPatternFilter(topics, conf.TopicsPattern);
topicsList.ToList().ForEach(x => conf.TopicNames.Add(x));
var state = _actorSystem.ActorOf(Props.Create(() => new ConsumerStateActor()), $"StateActor{Guid.NewGuid()}");
consumer = _actorSystem.ActorOf(PatternMultiTopicsConsumer <T> .Prop(conf.TopicsPattern, state, _client, _lookup, _cnxPool, _generator, conf, schema, subscriptionMode.Value, _clientConfigurationData), $"MultiTopicsConsumer{DateTimeHelper.CurrentUnixTimeMillis()}");
var response = await consumer.Ask <AskResponse>(new SubscribeAndCreateTopicsIfDoesNotExist(conf.TopicNames.ToList(), true)).ConfigureAwait(false);
if (response.Failed)
{
await consumer.GracefulStop(TimeSpan.FromSeconds(5));
throw response.Exception;
}
_client.Tell(new AddConsumer(consumer));
return(new Consumer <T>(state, consumer, schema, conf));
}
catch (Exception e)
{
if (consumer != null)
{
await consumer.GracefulStop(TimeSpan.FromSeconds(5));
}
_actorSystem.Log.Warning($"[{namespaceName}] Failed to get topics under namespace");
throw e;
}
}
public void Dispose()
{
const long WAITMS = 1000;
foreach (var item in InProgressQ)
{
var tcs = item.Value;
tcs.SetCanceled();
}
InProgressQ.Clear();
var closeList = new List <Task <bool> >();
if (ParseCoordinator != null)
{
closeList.Add(ParseCoordinator.GracefulStop(TimeSpan.FromMilliseconds(WAITMS)));
ParseCoordinator = null;
}
if (DownloadCoordinator != null)
{
closeList.Add(DownloadCoordinator.GracefulStop(TimeSpan.FromMilliseconds(WAITMS)));
DownloadCoordinator = null;
}
if (closeList.Count > 0)
{
Task.WaitAll(closeList.ToArray());
}
AllTheWorld.Terminate().Wait();
allTheWorld = null; // force any new usage to start over
}
public RequestProducer(int numberOfWorkers, string[] uris)
{
this.numberOfWorkers = numberOfWorkers;
this.uris = uris;
logger = Context.ActorOf<RequestLogger>("consoleLogger");
Receive<NewWorker>(worker =>
{
log.Debug("Adding http request worker: {Worker}", Sender);
//Console.WriteLine("Adding worker: " + Sender.Path);
workers.Add(Sender);
RequestHttpWork(Sender);
});
Receive<Result>(worker =>
{
logger.Tell(worker);
RequestHttpWork(Sender);
});
Receive<StopGenerationOfRequests>(stop =>
{
Task.WaitAll(workerPool.GracefulStop(TimeSpan.FromSeconds(60)), logger.GracefulStop(TimeSpan.FromSeconds(60)));
Sender.Tell("Done", Self);
});
}
protected void StartSendProbe()
{
Task.Run(() =>
{
int count = 1;
Console.WriteLine("*** Start of sending probe");
do
{
probeClient.Tell(new SayRequest()
{
Text = $"Probe no {count}",
});
Console.Write(".");
count++;
Thread.Sleep(1000);
} while (!sendProbe.IsCancellationRequested);
probeClient.GracefulStop(TimeSpan.FromMilliseconds(100))
.ContinueWith(r => Console.WriteLine($"Client stop with {r.Result}"));
Console.WriteLine("*** End of sending probe");
// stopping Actor System
actorSystem.Terminate();
}
, sendProbe.Token
);
}
protected override void PostStop()
{
_lookup.GracefulStop(TimeSpan.FromSeconds(1));
_cnxPool.GracefulStop(TimeSpan.FromSeconds(1));
_conf.Authentication = null;
base.PostStop();
}
/// <inheritdoc/>
public override Task <bool> Shutdown()
{
var stopTask = manager.GracefulStop((RARP.For(System).Provider).RemoteSettings.FlushWait);
var transportStopTask = WrappedTransport.Shutdown();
return(Task.WhenAll(stopTask, transportStopTask).ContinueWith(x => x.IsCompleted && !(x.IsFaulted || x.IsCanceled), TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Disconnects from the transport layer
/// </summary>
/// <param name="obj">Incoming message</param>
private void DisconnectFromTransport(DisconnectProtocol obj)
{
_transport.Tell(DisconnectTransport.Instance, Self);
_flightRecorder.GracefulStop(TimeSpan.FromMilliseconds(10));
Become(Disconnected);
}
public override Task <bool> Shutdown()
{
var stopTask = manager.GracefulStop(((RemoteActorRefProvider)((ActorSystemImpl)System).Provider).RemoteSettings.FlushWait);
var transportStopTask = WrappedTransport.Shutdown();
return(Task.WhenAll(stopTask, transportStopTask).ContinueWith(x => x.IsCompleted, TaskContinuationOptions.ExecuteSynchronously));
}
public void Dispose()
{
// give it a chance to cleanup
_reporterActorRef.GracefulStop(TimeSpan.FromSeconds(5)).Wait();
// then optionally terminate ActorSystem
_ownedActorSystem?.Terminate().Wait();
}
public void OnStop(StopRequest request)
{
_actionPipeline
.GracefulStop(TimeSpan.FromSeconds(10))
.Wait();
_state = ActionProcessorState.Stopped;
Sender.Tell(new Response(_state.ToString(), request));
}
public void Stop()
{
_sportsbook.GracefulStop(TimeSpan.FromSeconds(1));
Console.WriteLine("MemoryWallet stopped.");
_system.Terminate();
Console.WriteLine("Actor System Terminated");
Environment.Exit(0);
}
public void Dispose()
{
// give it a chance to cleanup
var stop1 = _counterAggregatorRef.GracefulStop(TimeSpan.FromSeconds(5));
var stop2 = _reporterActorRef.GracefulStop(TimeSpan.FromSeconds(5));
Task.WaitAll(stop1, stop2);
// then optionally terminate ActorSystem
_ownedActorSystem?.Dispose();
}
private void ReleaseConnection(IActorRef cnx)
{
if (_maxConnectionsPerHosts == 0)
{
if (_log.IsDebugEnabled)
{
_log.Debug("close connection due to pooling disabled.");
}
cnx.GracefulStop(TimeSpan.FromSeconds(5));
}
}
private static void FlushLogMessages()
{
try
{
_logger.GracefulStop(TimeSpan.FromSeconds(2)).Wait();
}
catch
{
Console.WriteLine("Exception thrown while waiting for TCP transport to flush - not all messages may have been logged.");
}
}
public CoordinatorActor()
{
Receive <Messages.StartSession>(message =>
{
if (Context.Child(message.GroupName).IsNobody())
{
Console.WriteLine("{0} - {1}", message.GetType().Name, Context.Self.Path.ToStringWithAddress());
IActorRef group = Context.ActorOf(Props.Create <GroupActor>(), message.GroupName);
group.Ask(message).PipeTo(Sender);
}
});
Receive <Messages.IncrementState>(message =>
{
Console.WriteLine("{0} - {1}", message.GetType().Name, Context.Self.Path.ToStringWithAddress());
IActorRef group = Context.Child(message.GroupName);
group.Tell(message);
});
Receive <Messages.DecrementState>(message =>
{
Console.WriteLine("{0} - {1}", message.GetType().Name, Context.Self.Path.ToStringWithAddress());
IActorRef group = Context.Child(message.GroupName);
group.Tell(message);
});
Receive <Messages.GroupEnded>(message =>
{
Console.WriteLine("{0} - {1}", message.GetType().Name, Context.Self.Path.ToStringWithAddress());
IActorRef group = Context.Child(message.GroupName);
if (!group.IsNobody())
{
var gs = group.GracefulStop(TimeSpan.FromSeconds(30));
gs.Wait();
}
;
});
Receive <Messages.QueryUserActorState>(message =>
{
Console.WriteLine("{0} - {1}", message.GetType().Name, Context.Self.Path.ToStringWithAddress());
//This is used to check the existence of the group and if the group did not exist then
//it could either spin up the actor in question then forward the message or send a failure
//message to a track the error or just return a null message.
IActorRef group = Context.Child(message.GroupName);
var handler = GetSelection(message.GroupName, message.UserName);
handler.
Ask <Messages.
QueryUserActionStateResult>(message).
PipeTo(Sender);
});
}
public static void Stop(TimeSpan timeout)
{
SendTerminateSignal();
_electionCycle?.GracefulStop(timeout);
_electionCycle = null;
_heartbeat?.GracefulStop(timeout);
_heartbeat = null;
_candidate?.GracefulStop(timeout);
_candidate = null;
_follower?.GracefulStop(timeout);
_follower = null;
}
private async static Task TerminateByUsingGracefulStop()
{
ActorSystem system = ActorSystem.Create("my-first-akka");
IActorRef emailSender = system.ActorOf <EmailSenderActor>("emailSender");
EmailMessage emailMessage = new EmailMessage("*****@*****.**", "*****@*****.**", "Hi");
emailSender.Tell(emailMessage);
var result = emailSender.GracefulStop(TimeSpan.FromSeconds(10));
Thread.Sleep(1000);
system.Terminate();
}
private void _stopMarket()
{
// 关闭所有的Actor
foreach (var key in secActors.Keys)
{
_log.Debug("关闭Symbol {0} Actor", key);
secActors[key].GracefulStop(TimeSpan.FromSeconds(5));
}
secActors.Clear();
// quotationActor.Tell(""); // 关闭接收数据
_log.Debug("关闭行情接收器 Actor");
quotationActor.GracefulStop(TimeSpan.FromSeconds(5));
}
public override async Task Stop()
{
// stop gateway
if (_gateway != null)
{
await _gateway.CastToIActorRef().GracefulStop(
TimeSpan.FromSeconds(10),
InterfacedMessageBuilder.Request <IGateway>(x => x.Stop()));
}
// stop game container
await _gameContainer.GracefulStop(TimeSpan.FromSeconds(10), PoisonPill.Instance);
}
/// <summary>
/// Handle the message "JobFailedMessage" received from Worker
/// </summary>
/// <param name="job">message</param>
private void HandleJobFailed(JobFailedMessage job)
{
ColorConsole.WriteLineMagenta("Task {0} of Coordinator {1} failed.", job.ID, Self.Path.Name);
// send response to parent - commander
_parent.Tell(job);
// move to next state
BecomeWaiting();
if (job.Status == JobStatus.Timeout)
{
//Context.Stop(_taskWorker);
var shutdown = _taskWorker.GracefulStop(TimeSpan.FromMilliseconds(5));
InitializeWorker("worker_" + job.ID.ToString() + "_" + job.TimeOut.ToString());
}
}
private void CreateNewClient()
{
// if probeClient previously already exist.
if (chatClient is object)
{
chatClient.GracefulStop(TimeSpan.FromMilliseconds(100)).Wait();
Context.Unwatch(chatClient);
}
// create the new
chatClient = Context.ActorOf(Props.Create <ProbeClientActor>("10.30.12.13", 8081, user));
Context.Watch(chatClient);
// start monitoring the events...
// Listen for Association
Context.System.EventStream.Subscribe <AssociatedEvent>(chatClient);
}
public async Task <bool> Close(ActorSystem context)
{
//Test run has already been closed or hasn't started
if (!IsOpen || IsClosed)
{
return(await Task.FromResult(false));
}
IsOpen = false;
IsClosed = true;
//Signal that the test run has ended
return(await MessageSinkActorRef.Ask <MessageSinkActor.SinkCanBeTerminated>(new EndTestRun())
.ContinueWith(tr => MessageSinkActorRef.GracefulStop(TimeSpan.FromSeconds(2)),
TaskContinuationOptions.ExecuteSynchronously).Unwrap());
}
public ExampleRootActor1(IActorRef rootActor2)
{
rootActor2.Tell("1");
rootActor2.Tell("2");
try
{
//
// RootActor2는 현재 한 메시지를 처리하는 시간이 2초다.
// 그러므로
// "2개 메시지 * 2초 = 총 4초" 시간이 소요된다.
//
//
// Case1 : 시간내에 Actor가 종료할 때(성공)
//
// GracefulStop 함수를 호출할 때 10초 내로 Actor 종료를 기대한다.
// 10초는 RootActor2가 모든 메시지를 처리하고 종료할 때까지 충분한 시간이다.
// 그 결과 "true"가 리턴된다.
//
rootActor2.GracefulStop(TimeSpan.FromSeconds(10)).Wait();
//
// Case2. : 시간내에 Actor가 종료하지 못할 때(실패)
//
// GracefulStop 함수를 호출할 때 3초 내로 Actor 종료를 기대한다.
// RootActor2는 모든 메시지를 처리하는대 총 4초가 필요하기 때문에
// 그 결과 TaskCanceledException 예외가 발생한다.
//
//rootActor2.GracefulStop(TimeSpan.FromSeconds(3)).Wait();
}
catch (AggregateException e)
{
foreach (TaskCanceledException innerEx in e.InnerExceptions)
{
// RootActor2는 모든 메시지를 처리하는대 총 4초가 필요하기 때문에
// 3초안에 종료할 수 없다.
// 그 결과 예외가 발생된다.
Console.WriteLine(
string.Format("{0:000} {1,-40} : {2}",
Thread.CurrentThread.ManagedThreadId,
"ExampleRootActor1 AggregateException",
innerEx));
}
}
}
private static ActorSystem ClaimHandlingSystem; // Change to better naming
static async Task Main(string[] args)
{
ClaimHandlingSystem = ActorSystem.Create("ClaimHandlingSystem");
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("Claim Handling System is up!");
Console.ForegroundColor = ConsoleColor.White;
Props claimFetchProps = Props.Create <ClaimFetcherActor>();
Props openClaimProps = Props.Create <OpenClaimActor>();
IActorRef claimFetcherActorRef = ClaimHandlingSystem.ActorOf(claimFetchProps, "claimFetcher");
IActorRef claimOpenerActorRef = ClaimHandlingSystem.ActorOf(openClaimProps, "claimOpener");
claimFetcherActorRef.Tell(new FetchClaimMessage(Guid.NewGuid()));
claimFetcherActorRef.Tell(new FetchClaimMessage(Guid.NewGuid()));
claimOpenerActorRef.Tell(new ManualOpenClaimMessage(0, 0)); // Won't be handled
claimOpenerActorRef.Tell(new ManualOpenClaimMessage(4000, 2019));
claimOpenerActorRef.Tell(new AutomaticallyOpenClaimMessage(5000, 2019));
Console.ReadKey();
// Tells the actor to shutdown, BUT first deal with all the messages in it's mail box
claimFetcherActorRef.Tell(PoisonPill.Instance);
// Gracefully stop the actor, awaiting 5 seconds. If more time passes, throw exception
await claimOpenerActorRef.GracefulStop(TimeSpan.FromSeconds(5));
Console.ReadKey();
await ClaimHandlingSystem.Terminate();
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("Claim Handling System is down!");
Console.ForegroundColor = ConsoleColor.White;
Console.ReadKey();
}
/// <summary>
/// Completes the current print job
/// </summary>
/// <param name="_"></param>
private void FinishPrintJob(PrintJobCompleted _)
{
_currentJob.GracefulStop(TimeSpan.FromMilliseconds(50));
UnbecomeStacked();
}
public override async Task Stop()
{
await _userTable.GracefulStop(
TimeSpan.FromMinutes(1),
new DistributedActorTableMessage <long> .GracefulStop(InterfacedPoisonPill.Instance));
}
protected override void PostStop()
{
_consumer.GracefulStop(TimeSpan.FromSeconds(1));
base.PostStop();
}
public override async Task Stop()
{
await _gamePairMaker.GracefulStop(TimeSpan.FromMinutes(1), InterfacedPoisonPill.Instance);
}
protected override void OnReceive(object message)
{
// actually every message activates the reader
var text = System.Console.ReadLine();
switch (text)
{
case QuitCommand:
_consoleUi.Tell("terminate");
return;
case StopCommand:
// Actor receives the Stop message and suspends the actor’s Mailbox (other messages will go to DeadLetters).
// Actor tells all its children to Stop. Stop messages propagate down the hierarchy below the actor.
// Actor waits for all children to stop.
// Actor calls PostStop lifecycle hook method for resource cleanup.
// Actor shuts down.
Context.Stop(_commandHandler);
break;
case PoisonPillCommand:
// Use a PoisonPill message if you want the actor to process its mailbox before shutting down.
// PoisonPill is a message that will be placed in the mailbox.
// When the Actor process the message the above mentioned stop sequence will be initiated.
_commandHandler.Tell(PoisonPill.Instance);
break;
case KillCommand:
// Use a Kill message if you want it to show in your logs that the actor was killed.
// The actor throws an ActorKilledException. The actor’s supervisor logs this message.
// This suspends the actor mailbox from processing further user messages.
// The actor’s supervisor handles the ActorKilledException and issues a Stop directive.
// The actor will stop following the above mentioned stop sequence.
_commandHandler.Tell(Kill.Instance);
break;
case GracefulStopCommand:
// If you want confirmation that the actor was stopped within a specified Timespan.
// It will return a Task<bool> you can check to know if the Actor was stopped.
var gracefulStop = _commandHandler.GracefulStop(TimeSpan.FromSeconds(5));
gracefulStop.Wait();
if (gracefulStop.Result)
{
ColoredConsole.WriteLineGreen("GracefulStop completed");
}
else
{
ColoredConsole.WriteLineYellow("GracefulStop failed");
}
break;
case EscalateExceptionCommand:
_commandHandler.Tell(new EscalateExceptionCommand());
break;
case RestartExceptionCommand:
_commandHandler.Tell(new RestartExceptionCommand());
break;
case ResumeExceptionCommand:
_commandHandler.Tell(new ResumeExceptionCommand());
break;
case StopExceptionCommand:
_commandHandler.Tell(new StopExceptionCommand());
break;
case DumpStatusCommand:
_commandHandler.Tell(new DumpStatusCommand());
break;
default:
_commandHandler.Tell(text);
break;
}
// send a message to outself stating we are ready to read the next command
Self.Tell("readnext");
// we have no unhandled message here, every message will activare the read cycle again.
}
protected override void OnReceive(object message)
{
var text = Console.ReadLine();
// Parse the Command (not production code! :D)
// First check the stop/kill commands directed to the router
switch (text)
{
case QuitCommand:
_consoleUi.Tell("terminate");
return;
case StopCommand:
// Send a System Stop message to the specified actor (the message will have priority over others already in the mailbox).
// Actor receives the Stop message and suspends the actor’s Mailbox (other messages will go to DeadLetters).
// Actor tells all its children to Stop. Stop messages propagate down the hierarchy below the actor.
// Actor waits for all children to stop.
// Actor calls PostStop lifecycle hook method for resource cleanup.
// Actor shuts down.
Context.Stop(_commandHandler);
ReadNext();
return;
case PoisonPillCommand:
// Use a PoisonPill message if you want the actor to process its mailbox before shutting down.
// PoisonPill is a message that will be placed in the mailbox.
// When the Actor process the message the above mentioned stop sequence will be initiated.
_commandHandler.Tell(PoisonPill.Instance);
ReadNext();
return;
case KillCommand:
// Use a Kill message if you want it to show in your logs that the actor was killed.
// Send a System Kill message to the specified actor.
// The actor throws an ActorKilledException (The actor’s supervisor logs this message).
// This suspends the actor mailbox from processing further user messages.
// The actor’s supervisor handles the ActorKilledException and issues a Stop directive.
// The actor will stop following the above mentioned stop sequence.
_commandHandler.Tell(Kill.Instance);
ReadNext();
return;
case GracefulStopCommand:
// If you want confirmation that the actor was stopped within a specified Timespan.
// It will send a PoisonPill message and 'start a timer to check if the actor stops within the specified amount of time'.
// It will return a Task<bool> you can wait on to know if the Actor was stopped.
// The Task can be cancelled if the Actor does not stop with the specified TimeSpan.
try
{
var gracefulStop = _commandHandler.GracefulStop(TimeSpan.FromSeconds(5));
gracefulStop.Wait();
ColoredConsole.WriteLineGreen("GracefulStop completed");
}
catch (AggregateException ex)
{
// the GracefulStop can fail if it cannot complete within the specified TimeSpan.
// The Task will be cancelled.
ColoredConsole.WriteLineYellow($"GracefulStop failed, exception: {ex}");
}
ReadNext();
return;
}
// Try to parse the User Commands: 'UserId command'
var parsedText = text.Split(' ');
if (parsedText.Length == 2)
{
Command cmd;
switch (parsedText[1])
{
case EscalateExceptionCommand:
cmd = new EscalateExceptionCommand();
break;
case RestartExceptionCommand:
cmd = new RestartExceptionCommand();
break;
case ResumeExceptionCommand:
cmd = new ResumeExceptionCommand();
break;
case StopExceptionCommand:
cmd = new StopExceptionCommand();
break;
case PauseCommandHandlerCommand:
cmd = new PauseCommandHandlerCommand();
break;
case ResumeCommandHandlerCommand:
cmd = new ResumeCommandHandlerCommand();
break;
default:
// Tell something!
cmd = new InputCommand(parsedText[1]);
/*
* // Ask something!
* ColoredConsole.WriteLineYellow("Awaiting for the command to complete");
* var completedTask = _commandHandler.Ask<InputCommandResponse>(new InputCommandRequest(parsedText[1]));
* completedTask.Wait(); // blocking operation: wait for completion and a specific reply
* ColoredConsole.WriteLineYellow($"Response: {completedTask.Result.Data}");
* ColoredConsole.WriteLineYellow("The command has been completed");
*/
break;
}
cmd.Context.UserId = parsedText[0];
_commandHandler.Tell(cmd);
}
else
{
ReportUnsupportedCommand(text);
}
ReadNext();
// we have no unhandled message here, every message will activare the read cycle again.
}
public override async Task Stop()
{
await _botContainer.GracefulStop(TimeSpan.FromSeconds(10), PoisonPill.Instance);
}
