public InstanceRoundBasedRegister(Instance instance,
IIntercomMessageHub intercomMessageHub,
IBallotGenerator ballotGenerator,
ISynodConfigurationProvider synodConfigProvider,
InstanceLeaseProviderConfiguration leaseConfig,
ILogger logger)
{
this.instance = instance;
this.logger = logger;
this.synodConfigProvider = synodConfigProvider;
this.leaseConfig = leaseConfig;
this.intercomMessageHub = intercomMessageHub;
readBallot = ballotGenerator.Null();
writeBallot = ballotGenerator.Null();
lastIntercomeMessageTimestamp = DateTime.UtcNow.Ticks;
listener = intercomMessageHub.Subscribe();
listener.Where(IsLeaseRead)
.Subscribe(OnReadReceived);
listener.Where(IsWriteLease)
.Subscribe(OnWriteReceived);
ackReadStream = listener.Where(IsLeaseAckReadMessage);
nackReadStream = listener.Where(IsLeaseNackReadMessage);
ackWriteStream = listener.Where(IsLeaseAckWriteMessage);
nackWriteStream = listener.Where(IsLeaseNackWriteMessage);
logger.Info($"{instance.Identity.GetAnyString()}-InstanceRoundBasedRegister created");
}
public DelayedInstanceWrap(Instance instance,
IIntercomMessageHub intercomMessageHub,
IBallotGenerator ballotGenerator,
ISynodConfigurationProvider synodConfigProvider,
InstanceLeaseProviderConfiguration leaseConfig,
ILogger logger)
{
this.intercomMessageHub = intercomMessageHub;
this.ballotGenerator = ballotGenerator;
this.synodConfigProvider = synodConfigProvider;
this.leaseConfig = leaseConfig;
this.logger = logger;
Task.Delay(leaseConfig.ClockDrift).ContinueWith(_ => CreateInstanceLeaseProvider(instance));
}
public InstanceLeaseProvider(Instance instance,
IInstanceRoundBasedRegister register,
IBallotGenerator ballotGenerator,
InstanceLeaseProviderConfiguration leaseConfig,
ISynodConfigurationProvider synodConfigProvider,
ILogger logger)
{
localNode = synodConfigProvider.LocalNode;
this.instance = instance;
this.register = register;
this.ballotGenerator = ballotGenerator;
this.leaseConfig = leaseConfig;
this.logger = logger;
minLeaseValidityPeriod = leaseConfig.MessageRoundtrip.MultiplyBy(2) + leaseConfig.ClockDrift;
logger.Info($"{instance.Identity.GetAnyString()}-InstanceLeaseProvider created");
}
public LeaseProvider(IIntercomMessageHub intercomMessageHub,
IBallotGenerator ballotGenerator,
ISynodConfigurationProvider synodConfigProvider,
InstanceLeaseProviderConfiguration leaseConfiguration,
LeaseProviderConfiguration leaseProviderConfiguration,
IMessageHub messageHub,
ILogger logger)
{
ValidateConfiguration(leaseConfiguration);
this.intercomMessageHub = intercomMessageHub;
this.ballotGenerator = ballotGenerator;
this.synodConfigProvider = synodConfigProvider;
this.leaseConfiguration = leaseConfiguration;
this.messageHub = messageHub;
this.logger = logger;
clusterName = leaseProviderConfiguration.ClusterName.GetBytes();
staleInstancesCleanupPeriod = leaseProviderConfiguration.StaleInstancesCleanupPeriod;
leaseProviders = new ConcurrentDictionary <Instance, DelayedInstanceWrap>();
}
