public IActorRef StartProxy(ActorSystem system)
{
return(ClusterSharding.Get(system).StartProxy(
Name,
"worker",
new T()
));
}
public MetricsActorSpec() :
base(CLUSTERSHARDCONFIG)
{
cluster = Cluster.Get(Sys);
clusterMetrics = ClusterMetrics.Get(Sys);
ClusterSharding.Get(Sys).Start(typeName: ShardRegions.OBJECTREGION, entityProps: Props.Create(() => new ObjectActor(null)), settings: ClusterShardingSettings.Create(Sys), messageExtractor: new ObjectRegionMessageExtractor(10));
ClusterSharding.Get(Sys).Start(typeName: ShardRegions.AREAREGION, entityProps: Props.Create(() => new ObjectActor(null)), settings: ClusterShardingSettings.Create(Sys), messageExtractor: new AreaRegionMessageExtractor(10));
}
public ProxyShardingSpec() : base(GetConfig())
{
var role = "Shard";
clusterSharding = ClusterSharding.Get(Sys);
shardingSettings = ClusterShardingSettings.Create(Sys);
clusterSharding.StartProxy("myType", role, IdExtractor, ShardResolver);
}
/// <summary>
/// Registry for entities to be processed using the given actor system
/// </summary>
/// <param name="actorSystem"></param>
public ShardedEntityRegistry(ActorSystem actorSystem)
{
ActorSystem = actorSystem;
var persistenceConfig = ActorSystem.Settings.Config
.WithFallback(@"wyvern.persistence {}")
.GetConfig("wyvern.persistence");
AskTimeout = persistenceConfig.GetTimeSpan("ask-timeout", 5.0d.seconds(), false);
MaxNumberOfShards = Math.Max(persistenceConfig.GetInt("max-number-of-shards", 1), 1);
var role = persistenceConfig.GetString("run-entities-on-role", "");
Role = string.IsNullOrWhiteSpace(role) ? Option <string> .None : new Option <string>(role);
SnapshotAfter = persistenceConfig.GetInt("snapshot-after", 100);
Sharding = ClusterSharding.Get(ActorSystem);
ShardingSettings = ClusterShardingSettings
.Create(ActorSystem)
.WithRole(Role.Value);
QueryPluginId = new Option <string>(SqlReadJournal.Identifier);
var persistence = SqlServerPersistence.Get(ActorSystem);
EventsByTagQuery = PersistenceQuery.Get(ActorSystem)
.ReadJournalFor <SqlReadJournal>(SqlReadJournal.Identifier);
EventsByPersistenceIdQuery = PersistenceQuery.Get(ActorSystem)
.ReadJournalFor <SqlReadJournal>(SqlReadJournal.Identifier);
//var journalConfig = persistence.DefaultJournalConfig;
//var sqlJournal = new SqlServerJournal(journalConfig);
ExtractShardId = obj =>
{
switch (obj)
{
case IShardId i:
return($"{i.ShardId}");
case CommandEnvelope commandEnvelope:
return(commandEnvelope.EntityId.ToShardId(MaxNumberOfShards));
default:
throw new InvalidOperationException("Cannot derive shard identifier from unknown type");
}
};
ExtractEntityId = obj =>
{
switch (obj)
{
case CommandEnvelope commandEnvelope:
return(($"{commandEnvelope.EntityId}", commandEnvelope.Payload).ToTuple());
default:
throw new InvalidOperationException("Cannot derive entity identifier from unknown type");
}
};
}
static CoordinatedShutdownShardingSpec()
{
SpecConfig = ConfigurationFactory.ParseString(@"
akka.loglevel = DEBUG
akka.actor.provider = cluster
akka.remote.dot-netty.tcp.port = 0")
.WithFallback(ClusterSingletonManager.DefaultConfig()
.WithFallback(ClusterSharding.DefaultConfig()));
}
public IActorRef Start(ActorSystem system, ClusterShardingSettings settings, Props actorProps)
{
return(ClusterSharding.Get(system).Start(
Name,
actorProps,
settings.WithRole(Role.IfNoneUnsafe(() => null)),
new T()
));
}
public static IActorRef CreateOrderShardProxy(this ActorSystem system)
{
var sharding = ClusterSharding.Get(system);
return(sharding.StartProxy(
typeName: "order",
role: "demo",
messageExtractor: new MessageExtractor()));
}
public IActorRef Start(ActorSystem system, ClusterShardingSettings settings, Props actorProps)
{
return(ClusterSharding.Get(system).Start(
Name,
actorProps,
settings.WithRole("worker"),
new T()
));
}
static int Main(string[] args)
{
var mongoConnectionString = Environment.GetEnvironmentVariable("MONGO_CONNECTION_STR")?.Trim();
if (string.IsNullOrEmpty(mongoConnectionString))
{
Console.WriteLine("ERROR! MongoDb connection string not provided. Can't start.");
return(-1);
}
else
{
Console.WriteLine("Connecting to MongoDb at {0}", mongoConnectionString);
}
var config = File.ReadAllText("app.conf");
var conf = ConfigurationFactory.ParseString(config).WithFallback(GetMongoHocon(mongoConnectionString))
.WithFallback(ClusterSharding.DefaultConfig())
.WithFallback(DistributedPubSub.DefaultConfig());
var actorSystem = ActorSystem.Create("AkkaPricing", conf.BootstrapFromDocker());
var readJournal = actorSystem.ReadJournalFor <MongoDbReadJournal>(MongoDbReadJournal.Identifier);
Cluster.Cluster.Get(actorSystem).RegisterOnMemberUp(() =>
{
var sharding = ClusterSharding.Get(actorSystem);
var shardRegion = sharding.Start("priceAggregator",
s => Props.Create(() => new MatchAggregator(s, readJournal)),
ClusterShardingSettings.Create(actorSystem),
new StockShardMsgRouter());
// used to seed pricing data
var singleton = ClusterSingletonManager.Props(
Props.Create(() => new PriceInitiatorActor(readJournal, shardRegion)),
ClusterSingletonManagerSettings.Create(
actorSystem.Settings.Config.GetConfig("akka.cluster.price-singleton")));
var mediator = DistributedPubSub.Get(actorSystem).Mediator;
foreach (var stock in AvailableTickerSymbols.Symbols)
{
actorSystem.ActorOf(Props.Create(() => new PriceVolumeViewActor(stock, shardRegion, mediator)),
stock + "-view");
}
});
// start Petabridge.Cmd (for external monitoring / supervision)
var pbm = PetabridgeCmd.Get(actorSystem);
pbm.RegisterCommandPalette(ClusterCommands.Instance);
pbm.RegisterCommandPalette(ClusterShardingCommands.Instance);
pbm.RegisterCommandPalette(RemoteCommands.Instance);
pbm.Start();
actorSystem.WhenTerminated.Wait();
return(0);
}
public static ActorSystem Start(string[] args)
{
var config = ConfigurationFactory.ParseString(File.ReadAllText("node.hocon"))
.WithFallback(ClusterSharding.DefaultConfig())
.BootstrapFromDocker();
actorSystem = ActorSystem.Create("xTreamCacheSystem", config);
return(actorSystem);
}
protected ClusterShardingCustomShardAllocationSpec(ClusterShardingCustomShardAllocationSpecConfig config)
: base(config, typeof(ClusterShardingCustomShardAllocationSpec))
{
_config = config;
_region = new Lazy <IActorRef>(() => ClusterSharding.Get(Sys).ShardRegion("Entity"));
_allocator = new Lazy <IActorRef>(() => Sys.ActorOf(Props.Create <Allocator>(), "allocator"));
}
protected AggregateClusterTests(AggregateClusterTestConfig config)
: base(config, typeof(AggregateClusterTests))
{
_config = config;
_numberOfShards = 32;
var aggregateManagerName = typeof(TestAggregateManager).Name;
_aggregateManagerProxy = new Lazy <IActorRef>(() => ClusterSharding.Get(Sys).ShardRegionProxy(aggregateManagerName));
}
private void StartShardingWithExtractor1()
{
ClusterSharding.Get(Sys).Start(
typeName: TypeName,
entityProps: Props.Create(() => new TestEntity(null)),
settings: ClusterShardingSettings.Create(Sys).WithRememberEntities(true).WithRole("sharding"),
extractEntityId: extractEntityId,
extractShardId: extractShardId1);
}
private void StartSharding()
{
ClusterSharding.Get(Sys).Start(
typeName: "Entity",
entityProps: Props.Create <Entity>(),
settings: ClusterShardingSettings.Create(Sys),
extractEntityId: extractEntityId,
extractShardId: extractShardId);
}
private void StartShardingWithExtractor2(ActorSystem sys, IActorRef probe)
{
ClusterSharding.Get(sys).Start(
typeName: TypeName,
entityProps: Props.Create(() => new TestEntity(probe)),
settings: ClusterShardingSettings.Create(Sys).WithRememberEntities(true).WithRole("sharding"),
extractEntityId: extractEntityId,
extractShardId: extractShardId2);
}
private void StartShard()
{
ClusterSharding.Get(Sys).Start(
typeName: ShardTypeName,
entityProps: Props.Create <ShardedActor>(),
settings: ClusterShardingSettings.Create(Sys).WithRole("shard"),
extractEntityId: extractEntityId,
extractShardId: extractShardId);
}
static int Main(string[] args)
{
var config = File.ReadAllText("app.conf");
var conf = ConfigurationFactory.ParseString(config);
var actorSystem = ActorSystem.Create("AkkaTrader", conf.BoostrapApplication(new AppBootstrapConfig(true, true)));
var sharding = ClusterSharding.Get(actorSystem);
var shardRegion = sharding.Start("priceAggregator",
s => Props.Create(() => new MatchAggregator(s)),
ClusterShardingSettings.Create(actorSystem),
new StockShardMsgRouter());
var priceInitiatorActor = actorSystem.ActorOf(ClusterSingletonManager.Props(Props.Create(() => new PriceInitiatorActor(shardRegion)),
ClusterSingletonManagerSettings.Create(actorSystem).WithRole("pricing-engine").WithSingletonName("priceInitiator")), "priceInitiator");
var clientHandler =
actorSystem.ActorOf(Props.Create(() => new ClientHandlerActor(shardRegion)), "subscriptions");
// make ourselves available to ClusterClient at /user/subscriptions
ClusterClientReceptionist.Get(actorSystem).RegisterService(clientHandler);
Cluster.Cluster.Get(actorSystem).RegisterOnMemberUp(() =>
{
foreach (var ticker in AvailableTickerSymbols.Symbols)
{
shardRegion.Tell(new Ping(ticker));
}
});
// start Petabridge.Cmd (for external monitoring / supervision)
var pbm = PetabridgeCmd.Get(actorSystem);
void RegisterPalette(CommandPaletteHandler h)
{
if (pbm.RegisterCommandPalette(h))
{
Console.WriteLine("Petabridge.Cmd - Registered {0}", h.Palette.ModuleName);
}
else
{
Console.WriteLine("Petabridge.Cmd - DID NOT REGISTER {0}", h.Palette.ModuleName);
}
}
RegisterPalette(ClusterCommands.Instance);
RegisterPalette(RemoteCommands.Instance);
RegisterPalette(ClusterShardingCommands.Instance);
RegisterPalette(new PriceCommands(shardRegion));
pbm.Start();
actorSystem.WhenTerminated.Wait();
return(0);
}
static PersistentShardSpec()
{
SpecConfig = ConfigurationFactory.ParseString(@"
akka.loglevel = DEBUG
akka.actor.provider = cluster
akka.persistence.journal.plugin = ""akka.persistence.journal.inmem""
akka.remote.dot-netty.tcp.port = 0")
.WithFallback(ClusterSingletonManager.DefaultConfig()
.WithFallback(ClusterSharding.DefaultConfig()));
}
public AkkaClient()
{
_system = ActorSystem.Create(SystemConfigurationHelper.ClusterName, SystemConfigurationHelper.GetConfig(0, Role));
_automaticCluster = new AutomaticCluster(_system);
_automaticCluster.Join();
TargetServer = ClusterSharding.Get(_system).StartProxy(
typeName: "stuffer",
role: null,
messageExtractor: GetMessageExtractor());
}
public ShardedSubscriptionManager(ActorSystem actorSystem)
{
var settings = ClusterShardingSettings.Create(actorSystem);
shardedSubscriptionActorRef = ClusterSharding.Get(actorSystem).Start(
typeName: "SubscriptionActor",
entityProps: Props.Create <SubscriptionActor>(),
settings: settings,
messageExtractor: new SubscriptionMessageExtractor());
}
public void GetShardTypeNames_must_contain_started_shards_when_started_2_shards()
{
Cluster.Get(Sys).Join(Cluster.Get(Sys).SelfAddress);
var settings = ClusterShardingSettings.Create(Sys);
ClusterSharding.Get(Sys).Start("type1", EchoActor.Props(this), settings, ExtractEntityId, ExtractShardId);
ClusterSharding.Get(Sys).Start("type2", EchoActor.Props(this), settings, ExtractEntityId, ExtractShardId);
ClusterSharding.Get(Sys).ShardTypeNames.ShouldBeEquivalentTo(new string[] { "type1", "type2" });
}
static int Main(string[] args)
{
var sqlConnectionString = Environment.GetEnvironmentVariable("SQL_CONNECTION_STR");
var sqlHostName = Environment.GetEnvironmentVariable("SQL_HOSTNAME");
if (string.IsNullOrEmpty(sqlConnectionString) || string.IsNullOrEmpty(sqlHostName))
{
Console.WriteLine("ERROR! No SQL Connection String specified. Exiting with code -1");
return(-1);
}
//var hostIp = Dns.GetHostEntry(sqlHostName);
//sqlConnectionString = sqlConnectionString.Replace("{HOSTNAME}", hostIp.AddressList.First().ToString());
Console.WriteLine("Connecting to SQL Server via {0}", sqlConnectionString);
var config = ConfigurationFactory.ParseString(File.ReadAllText("sharding.hocon"));
var sqlHocon = "akka.persistence.journal.sql-server.connection-string = \"" + sqlConnectionString + "\"" +
Environment.NewLine +
"akka.persistence.snapshot-store.sql-server.connection-string = \"" + sqlConnectionString +
"\"";
Console.WriteLine("Using SQL Hocon:" + Environment.NewLine + " {0}", sqlHocon);
var sqlConnectionConfig = ConfigurationFactory.ParseString(sqlHocon)
.WithFallback(config);
var actorSystem = ActorSystem.Create("ShardFight", sqlConnectionConfig.BootstrapFromDocker().WithFallback(ClusterSharding.DefaultConfig()));
ICancelable shardTask = null;
Cluster.Get(actorSystem).RegisterOnMemberUp(() =>
{
var sharding = ClusterSharding.Get(actorSystem);
IActorRef myShardRegion = sharding.Start("entities", str => Props.Create(() => new PersistentEntityActor(str)),
ClusterShardingSettings.Create(actorSystem).WithRole("shard"), new FuberMessageExtractor());
shardTask = actorSystem.Scheduler.Advanced.ScheduleRepeatedlyCancelable(TimeSpan.FromMilliseconds(250),
TimeSpan.FromMilliseconds(250),
() =>
{
myShardRegion.Tell(new FuberEnvelope(ThreadLocalRandom.Current.Next(0, 100000).ToString(), ThreadLocalRandom.Current.Next().ToString()));
});
});
var pbm = PetabridgeCmd.Get(actorSystem);
pbm.RegisterCommandPalette(ClusterCommands.Instance); // enable cluster management commands
pbm.RegisterCommandPalette(ClusterShardingCommands.Instance); //enable cluster.sharding management commands
pbm.Start();
actorSystem.WhenTerminated.Wait();
shardTask?.Cancel(); // should already be cancelled
return(0);
}
private Actors(Config config)
{
_system = ActorSystem.Create(Constants.SystemName, config);
var sharding = ClusterSharding.Get(_system);
CustomerProxy = sharding.StartProxy(
typeName: Customer.TypeName,
role: Constants.ClusterNodeRoleName,
messageExtractor: new MessageExtractor());
}
private void ConfigureSharding()
{
var system = Context.System;
// register actor type as a sharded entity
region = ClusterSharding.Get(system).Start(
typeName: "aggregate",
entityProps: Props.Create <AggregateActor>(),
settings: ClusterShardingSettings.Create(system),
messageExtractor: new MessageExtractor());
}
private void StartSharding(ActorSystem sys, IActorRef probe)
{
var allocationStrategy = new LeastShardAllocationStrategy(2, 1);
ClusterSharding.Get(sys).Start(
typeName: "Entity",
entityProps: Props.Create(() => new TestEntity(probe)),
settings: ClusterShardingSettings.Create(Sys).WithRememberEntities(true),
extractEntityId: extractEntityId,
extractShardId: extractShardId);
}
private void StartSharding()
{
ClusterSharding.Get(Sys).Start(
typeName: "Entity",
entityProps: Props.Create <Entity>(),
settings: ClusterShardingSettings.Create(Sys),
extractEntityId: extractEntityId,
extractShardId: extractShardId,
allocationStrategy: new TestAllocationStrategy(_allocator.Value),
handOffStopMessage: PoisonPill.Instance);
}
public static IActorRef BootstrapShard <T>(this ActorSystem system, string role = null) where T : ActorBase
{
var clusterSharding = ClusterSharding.Get(system);
return(clusterSharding.Start(
typeName: typeof(T).Name,
entityProps: Props.Create <T>(),
settings: ClusterShardingSettings.Create(system)
.WithRole(role),
messageExtractor: new CustomMessageExtractor()));
}
public AtomDocumentShardedActorRefFactory(ActorSystem actorSystem)
{
this.actorSystem = actorSystem;
var settings = ClusterShardingSettings.Create(actorSystem);
ClusterSharding.Get(actorSystem).Start(
typeName: "AtomFeedActor",
entityProps: Props.Create <AtomDocumentActor>(),
settings: settings,
messageExtractor: new AtomDocumentShardDataMessageExtractor());
}
public void Should_load_DData_serializers_when_enabled()
{
ClusterSharding.Get(Sys);
var rmSerializer = Sys.Serialization.FindSerializerFor(WriteAck.Instance);
rmSerializer.Should().BeOfType <ReplicatorMessageSerializer>();
var rDSerializer = Sys.Serialization.FindSerializerFor(ORDictionary <string, GSet <string> > .Empty);
rDSerializer.Should().BeOfType <ReplicatedDataSerializer>();
}
public void Handle(DummyRequest req)
{
_origonalActor = Sender;
var shardRegion = ClusterSharding.Get(Context.System).ShardRegion("testregion");
var message = new Server.TestEntity.StreamedDataRequest(1000, 100000);
var envelope = new Server.Envelope(1, message);
shardRegion.Tell(envelope);
_log.Info("Handled DummyRequest");
}
