internal EtlProcessor(
bool loadWinFabManifests,
bool dynamicWinFabManifestLoad,
string markerFileDirectory,
WinFabricEtlType winFabricEtlType,
FabricEvents.ExtensionsEvents traceSource,
string logSourceId,
EtlInMemoryPerformance perfHelper,
IEnumerable <IEtlInMemorySink> sinks,
IEnumerable <EtlToInMemoryBufferWriter> etlToInMemoryBufferWriters,
ITraceFileEventReaderFactory traceFileEventReaderFactory)
{
this.traceSource = traceSource;
this.logSourceId = logSourceId;
this.processingWinFabEvents = loadWinFabManifests;
this.markerFileDirectory = markerFileDirectory;
this.windowsFabricEtlType = winFabricEtlType;
this.sinks = sinks.ToList().AsReadOnly();
this.etlToInMemoryBufferWriters = etlToInMemoryBufferWriters.ToList().AsReadOnly();
this.traceFileEventReaderFactory = traceFileEventReaderFactory;
this.perfHelper = perfHelper;
if (loadWinFabManifests)
{
if (dynamicWinFabManifestLoad)
{
// We are going to be loading manifests dynamically based on the version
// in the ETL file. Initialize the manifest manager object to manage this
// for us.
this.winFabManifestMgr = this.InitializeWinFabManifestManager();
}
else
{
// We'll load the default manifests now and just use them throughout
this.LoadDefaultManifests();
}
}
// Provide the sinks a reference to the manifest cache.
this.sinks.ForEach(sink => sink.SetEtwManifestCache(this.etwManifestCache));
}
internal EtlInMemoryProducerWorker(
EtlInMemoryProducerWorkerParameters initParam,
DiskSpaceManager diskSpaceManager,
ITraceFileEventReaderFactory traceFileEventReaderFactory)
{
this.logSourceId = initParam.ProducerInstanceId;
this.traceSource = initParam.TraceSource;
this.cancellationTokenSource = new CancellationTokenSource();
this.perfHelper = new EtlInMemoryPerformance(this.traceSource);
this.diskSpaceManager = diskSpaceManager;
// Initialize the settings
this.etlInMemoryProducerWorkerSettings = EtlInMemoryProducerWorkerSettingsHelper.InitializeSettings(initParam);
if (WinFabricEtlType.DefaultEtl == this.etlInMemoryProducerWorkerSettings.WindowsFabricEtlType)
{
// If we're processing the default ETL files, we should keep track of
// whether or not we're on the FMM node. This information is used by
// some other plugin types.
Utility.LastFmmEventTimestamp = DateTime.MinValue;
}
// Initialize the sink list
this.sinks = initParam.EtlInMemoryProducer.ConsumerSinks.Cast <IEtlInMemorySink>().ToList().AsReadOnly();
this.etlToInMemoryBufferWriters = initParam.EtlInMemoryProducer.ConsumerSinks.OfType <EtlToInMemoryBufferWriter>().ToList().AsReadOnly();
this.etlToInMemoryBufferWriters.ForEach(e => e.SetEtlProducer(this));
// Figure out where the ETL files are located
this.traceDirectory = EtlInMemoryProducerWorkerSettingsHelper.InitializeTraceDirectory(
this.etlInMemoryProducerWorkerSettings.EtlPath,
initParam.LogDirectory,
this.etlInMemoryProducerWorkerSettings.WindowsFabricEtlType);
this.markerFileDirectory = EtlInMemoryProducerWorkerSettingsHelper.InitializeMarkerFileDirectory(
this.etlInMemoryProducerWorkerSettings.EtlPath,
initParam.LogDirectory,
this.traceDirectory,
this.etlInMemoryProducerWorkerSettings.WindowsFabricEtlType);
this.providers = EtlInMemoryProducerWorkerSettingsHelper.InitializeProviders(
this.etlInMemoryProducerWorkerSettings.EtlPath,
this.etlInMemoryProducerWorkerSettings.EtlFilePatterns,
this.etlInMemoryProducerWorkerSettings.WindowsFabricEtlType,
message => this.traceSource.WriteError(this.logSourceId, message)).AsReadOnly();
if (0 == this.providers.Count)
{
// No ETL files to read, so return immediately
this.traceSource.WriteWarning(
this.logSourceId,
"No ETL files have been specified for processing.");
}
this.checkpointManager = new CheckpointManager(
this.etlInMemoryProducerWorkerSettings.EtlPath,
initParam.LogDirectory,
this.traceDirectory,
this.traceSource,
this.logSourceId);
this.etlReadInterval = this.etlInMemoryProducerWorkerSettings.EtlReadInterval;
if (this.etlReadInterval > TimeSpan.Zero)
{
// Create the directory that contains the marker files.
this.CreateDirectoriesForEtlProcessing();
// We need to collect bootstrap traces
this.bootstrapTraceProcessor = new BootstrapTraceProcessor(
this.traceDirectory,
this.markerFileDirectory,
this.etlToInMemoryBufferWriters,
this.etlInMemoryProducerWorkerSettings.EtlReadInterval,
this.traceSource,
this.logSourceId);
this.bootstrapTraceProcessor.Start();
// Create the ETL processor
this.etlProcessor = new EtlProcessor(
true,
this.IsProcessingWindowsFabricEtlFilesFromDefaultLocation(),
this.markerFileDirectory,
this.etlInMemoryProducerWorkerSettings.WindowsFabricEtlType,
this.traceSource,
this.logSourceId,
this.perfHelper,
this.sinks,
this.etlToInMemoryBufferWriters,
traceFileEventReaderFactory);
// Create a periodic timer to read ETL files
var timerId = string.Concat(
this.logSourceId,
EtlReadTimerIdSuffix);
this.etlReadTimer = new DcaTimer(
timerId,
state => this.EtlReadCallback(this.cancellationTokenSource.Token),
this.etlReadInterval);
this.etlReadTimer.Start();
// Figure out how much processing time is available to each provider.
this.ComputePerProviderEtlProcessingTimeSeconds();
}
// Disk manager set up for traces
foreach (var provider in this.providers)
{
var capturedProvider = provider;
this.diskSpaceManager.RegisterFolder(
this.logSourceId,
() => new DirectoryInfo(this.traceDirectory).EnumerateFiles(capturedProvider.EtlFileNamePattern),
f => FabricFile.Exists(Path.Combine(this.markerFileDirectory, f.Name)), // Safe to delete once marker file exists
f => f.LastWriteTimeUtc >= DateTime.UtcNow.Add(-initParam.LatestSettings.EtlDeletionAgeMinutes));
}
// Disk manager set up for marker files
this.diskSpaceManager.RegisterFolder(
this.logSourceId,
() => new DirectoryInfo(this.markerFileDirectory).EnumerateFiles(),
f => !FabricFile.Exists(Path.Combine(this.traceDirectory, f.Name)), // Safe to delete once original has been cleaned up
f => f.LastWriteTimeUtc >= DateTime.UtcNow.Add(-initParam.LatestSettings.EtlDeletionAgeMinutes));
}