internal ClusteredServiceAgent(ClusteredServiceContainer.Context ctx) { this.ctx = ctx; archiveCtx = ctx.ArchiveContext(); aeron = ctx.Aeron(); shouldCloseResources = ctx.OwnsAeronClient(); service = ctx.ClusteredService(); recordingLog = ctx.RecordingLog(); idleStrategy = ctx.IdleStrategy(); serviceId = ctx.ServiceId(); epochClock = ctx.EpochClock(); markFile = ctx.MarkFile(); var channel = ctx.ServiceControlChannel(); var streamId = ctx.ServiceControlStreamId(); serviceControlPublisher = new ServiceControlPublisher(aeron.AddPublication(channel, streamId)); serviceControlAdapter = new ServiceControlAdapter(aeron.AddSubscription(channel, streamId), this); }
/// <summary> /// Set the <seealso cref="Service.RecordingLog"/> for the log terms and snapshots. /// </summary> /// <param name="recordingLog"> to use. </param> /// <returns> this for a fluent API. </returns> public Context RecordingLog(RecordingLog recordingLog) { this.recordingLog = recordingLog; return(this); }
public void Conclude() { if (null == threadFactory) { threadFactory = new DefaultThreadFactory(); } if (null == idleStrategySupplier) { idleStrategySupplier = Configuration.IdleStrategySupplier(null); } if (null == epochClock) { epochClock = new SystemEpochClock(); } if (null == errorHandler) { throw new InvalidOperationException("Error handler must be supplied"); } if (null == aeron) { aeron = Adaptive.Aeron.Aeron.Connect( new Aeron.Aeron.Context() .AeronDirectoryName(aeronDirectoryName) .ErrorHandler(countedErrorHandler.OnError) .EpochClock(epochClock)); if (null == errorCounter) { errorCounter = aeron.AddCounter(SYSTEM_COUNTER_TYPE_ID, "Cluster errors - service " + serviceId); } ownsAeronClient = true; } if (null == errorCounter) { throw new InvalidOperationException("Error counter must be supplied"); } if (null == countedErrorHandler) { countedErrorHandler = new CountedErrorHandler(errorHandler, errorCounter); if (ownsAeronClient) { aeron.Ctx().ErrorHandler(countedErrorHandler.OnError); } } if (null == archiveContext) { archiveContext = new AeronArchive.Context() .ControlRequestChannel(AeronArchive.Configuration.LocalControlChannel()) .ControlResponseChannel(AeronArchive.Configuration.LocalControlChannel()) .ControlRequestStreamId(AeronArchive.Configuration.LocalControlStreamId()); } archiveContext .AeronClient(aeron) .OwnsAeronClient(false) .Lock(new NoOpLock()); if (deleteDirOnStart) { if (null != clusteredServiceDir) { IoUtil.Delete(clusteredServiceDir, true); } else { IoUtil.Delete(new DirectoryInfo(Configuration.ClusteredServiceDirName()), true); } } if (null == clusteredServiceDir) { clusteredServiceDir = new DirectoryInfo(clusteredServiceDirectoryName); } if (!clusteredServiceDir.Exists) { Directory.CreateDirectory(clusteredServiceDir.FullName); } if (null == recordingLog) { recordingLog = new RecordingLog(clusteredServiceDir); } if (null == shutdownSignalBarrier) { shutdownSignalBarrier = new ShutdownSignalBarrier(); } if (null == terminationHook) { terminationHook = () => shutdownSignalBarrier.Signal(); } if (null == clusteredService) { string className = Config.GetProperty(Configuration.SERVICE_CLASS_NAME_PROP_NAME); if (null == className) { throw new InvalidOperationException("Either a ClusteredService instance or class name for the service must be provided"); } clusteredService = (IClusteredService)Activator.CreateInstance(Type.GetType(className)); } ConcludeMarkFile(); }