public IntercomMessageHubTests()
{
socketFactory = new Mock <ISocketFactory>();
publisherSocket = new Mock <ISocket>();
socketFactory.Setup(m => m.CreatePublisherSocket()).Returns(publisherSocket.Object);
subscriberSocket = new Mock <ISocket>();
socketFactory.Setup(m => m.CreateSubscriberSocket()).Returns(subscriberSocket.Object);
synodConfigProvider = new Mock <ISynodConfigurationProvider>();
var synod = 3.Produce(i => new DynamicUri($"tcp://127.0.0.1:800{i}"));
synodConfigProvider.Setup(m => m.Synod).Returns(synod);
synodConfigProvider.Setup(m => m.HeartBeatInterval).Returns(TimeSpan.FromSeconds(2));
synodConfigProvider.Setup(m => m.MissingHeartBeatsBeforeReconnect).Returns(2);
synodConfigProvider.Setup(m => m.LocalNode).Returns(new Node(synod.First().Uri, ReceiverIdentifier.CreateIdentity()));
synodConfigProvider.Setup(m => m.IntercomEndpoint).Returns(new Uri("inproc://health"));
perfCounterManager = new Mock <IPerformanceCounterManager <KinoPerformanceCounters> >();
perfCounter = new Mock <IPerformanceCounter>();
perfCounterManager.Setup(m => m.GetCounter(It.IsAny <KinoPerformanceCounters>())).Returns(perfCounter.Object);
logger = new Mock <ILogger>();
messageHub = new IntercomMessageHub(socketFactory.Object,
synodConfigProvider.Object,
perfCounterManager.Object,
logger.Object);
}
public void Build()
{
var logger = resolver.Resolve <ILogger>();
var applicationConfig = resolver.Resolve <LeaseProviderServiceConfiguration>();
var socketFactory = new SocketFactory(resolver.Resolve <SocketConfiguration>());
var synodConfigProvider = new SynodConfigurationProvider(applicationConfig.LeaseProvider.Synod);
#if NET47
var instanceNameResolver = resolver.Resolve <IInstanceNameResolver>() ?? new InstanceNameResolver();
var performanceCounterManager = new PerformanceCounterManager <KinoPerformanceCounters>(instanceNameResolver, logger);
#else
var performanceCounterManager = default(IPerformanceCounterManager <KinoPerformanceCounters>);
#endif
var intercomMessageHub = new IntercomMessageHub(socketFactory,
synodConfigProvider,
performanceCounterManager,
logger);
var ballotGenerator = new BallotGenerator(applicationConfig.LeaseProvider.Lease);
kino = new kino(resolver);
messageHub = kino.GetMessageHub();
leaseProvider = new LeaseProvider(intercomMessageHub,
ballotGenerator,
synodConfigProvider,
applicationConfig.LeaseProvider.Lease,
applicationConfig.LeaseProvider,
messageHub,
logger);
var serializer = new ProtobufMessageSerializer();
kino.AssignActor(new LeaseProviderActor(leaseProvider, serializer, applicationConfig.LeaseProvider, logger));
kino.AssignActor(new InstanceDiscoveryActor(leaseProvider, applicationConfig.LeaseProvider));
kino.AssignActor(new InstanceBuilderActor(leaseProvider, applicationConfig.LeaseProvider));
kino.AssignActor(new ExceptionHandlerActor(logger));
}
public void WhenHeartBeatMessageArrives_LastKnownHeartBeatIsUpdated()
{
synodConfigProvider.Setup(m => m.MissingHeartBeatsBeforeReconnect).Returns(1);
messageHub = new IntercomMessageHub(socketFactory.Object,
synodConfigProvider.Object,
perfCounterManager.Object,
logger.Object);
var messageCount = 1;
var deadNode = messageHub.GetClusterHealthInfo().First();
var message = Message.Create(new HeartBeatMessage {
NodeUri = deadNode.NodeUri.ToSocketAddress()
});
subscriberSocket.Setup(m => m.ReceiveMessage(It.IsAny <CancellationToken>())).Returns(() => messageCount-- > 0 ? message : null);
synodConfigProvider.Object
.HeartBeatInterval
.MultiplyBy(synodConfigProvider.Object.MissingHeartBeatsBeforeReconnect + 1)
.Sleep();
var timeout = synodConfigProvider.Object
.HeartBeatInterval
.DivideBy(2);
//
Assert.False(deadNode.IsHealthy());
messageHub.Start(timeout);
timeout.Sleep();
messageHub.Stop();
//
Assert.True(deadNode.IsHealthy());
}
internal static RoundBasedRegisterTestSetup CreateRoundBasedRegister(IEnumerable <string> synod, string localNodeUri)
{
var appConfig = new RendezvousServiceConfiguration
{
Synod = new SynodConfiguration
{
Members = synod,
LocalNode = localNodeUri,
HeartBeatInterval = TimeSpan.FromSeconds(5),
IntercomEndpoint = $"inproc://{Guid.NewGuid()}",
MissingHeartBeatsBeforeReconnect = 4
},
Lease = new LeaseConfiguration
{
ClockDrift = TimeSpan.FromMilliseconds(10),
MessageRoundtrip = TimeSpan.FromMilliseconds(100),
NodeResponseTimeout = TimeSpan.FromMilliseconds(1000),
MaxLeaseTimeSpan = TimeSpan.FromSeconds(3)
}
};
var socketConfig = new SocketConfiguration
{
ReceivingHighWatermark = 1000,
SendingHighWatermark = 1000,
Linger = TimeSpan.Zero
};
var logger = new Mock <ILogger>();
var performanceCounterManager = new Mock <IPerformanceCounterManager <KinoPerformanceCounters> >();
var synodConfigProvider = new SynodConfigurationProvider(appConfig.Synod);
var intercomMessageHub = new IntercomMessageHub(new SocketFactory(socketConfig),
synodConfigProvider,
performanceCounterManager.Object,
logger.Object);
var ballotGenerator = new BallotGenerator(appConfig.Lease);
var roundBasedRegister = new RoundBasedRegister(intercomMessageHub,
ballotGenerator,
synodConfigProvider,
appConfig.Lease,
logger.Object);
logger.Verify(m => m.Error(It.IsAny <object>()), Times.Never);
return(new RoundBasedRegisterTestSetup(ballotGenerator,
synodConfigProvider.LocalNode,
roundBasedRegister));
}
private IRendezvousService Build()
{
var logger = resolver.Resolve <ILogger>();
var applicationConfig = resolver.Resolve <RendezvousServiceConfiguration>();
var socketFactory = new SocketFactory(applicationConfig.Socket);
var synodConfigProvider = new SynodConfigurationProvider(applicationConfig.Synod);
#if NET47
var instanceNameResolver = resolver.Resolve <IInstanceNameResolver>() ?? new InstanceNameResolver();
var performanceCounterManager = new PerformanceCounterManager <KinoPerformanceCounters>(instanceNameResolver,
logger);
#else
var performanceCounterManager = default(IPerformanceCounterManager <KinoPerformanceCounters>);
#endif
var intercomMessageHub = new IntercomMessageHub(socketFactory,
synodConfigProvider,
performanceCounterManager,
logger);
var ballotGenerator = new BallotGenerator(applicationConfig.Lease);
var roundBasedRegister = new RoundBasedRegister(intercomMessageHub,
ballotGenerator,
synodConfigProvider,
applicationConfig.Lease,
logger);
var leaseProvider = new LeaseProvider(roundBasedRegister,
ballotGenerator,
applicationConfig.Lease,
synodConfigProvider,
logger);
var serializer = new ProtobufMessageSerializer();
var configProvider = new RendezvousConfigurationProvider(applicationConfig.Rendezvous);
var service = new RendezvousService(leaseProvider,
synodConfigProvider,
socketFactory,
serializer,
configProvider,
performanceCounterManager,
logger);
return(service);
}
public void IfSynodConsistsOfOneNode_NoHeartBeatingStarted()
{
var localNode = new Node("tcp://127.0.0.1:800", ReceiverIdentifier.CreateIdentity());
synodConfigProvider.Setup(m => m.Synod).Returns(1.Produce(i => new DynamicUri(localNode.Uri.AbsoluteUri)));
synodConfigProvider.Setup(m => m.LocalNode).Returns(localNode);
messageHub = new IntercomMessageHub(socketFactory.Object,
synodConfigProvider.Object,
perfCounterManager.Object,
logger.Object);
//
messageHub.Start(TimeSpan.FromSeconds(3));
synodConfigProvider.Object.HeartBeatInterval.MultiplyBy(2).Sleep();
messageHub.Stop();
//
Assert.Equal(1, synodConfigProvider.Object.Synod.Count());
publisherSocket.Verify(m => m.SendMessage(It.IsAny <IMessage>()), Times.Never);
}
internal static RoundBasedRegisterTestSetup CreateRoundBasedRegister(IEnumerable <string> synod, string localNodeUri)
{
var appConfig = new RendezvousServiceConfiguration
{
Synod = new SynodConfiguration
{
Members = synod,
LocalNode = localNodeUri
},
Lease = new LeaseConfiguration
{
ClockDrift = TimeSpan.FromMilliseconds(10),
MessageRoundtrip = TimeSpan.FromMilliseconds(100),
NodeResponseTimeout = TimeSpan.FromMilliseconds(1000),
MaxLeaseTimeSpan = TimeSpan.FromSeconds(3)
}
};
var socketConfig = new SocketConfiguration
{
ReceivingHighWatermark = 1000,
SendingHighWatermark = 1000,
Linger = TimeSpan.Zero
};
var synodConfig = new global::kino.Consensus.Configuration.SynodConfiguration(new SynodConfigurationProvider(appConfig.Synod));
var logger = new Mock <ILogger>();
var performanceCounterManager = new Mock <IPerformanceCounterManager <KinoPerformanceCounters> >();
var intercomMessageHub = new IntercomMessageHub(new SocketFactory(socketConfig),
synodConfig,
performanceCounterManager.Object,
logger.Object);
var ballotGenerator = new BallotGenerator(appConfig.Lease);
var roundBasedRegister = new RoundBasedRegister(intercomMessageHub,
ballotGenerator,
synodConfig,
appConfig.Lease,
logger.Object);
return(new RoundBasedRegisterTestSetup(ballotGenerator, synodConfig.LocalNode, roundBasedRegister, appConfig.Lease.MaxLeaseTimeSpan));
}