public void CollectMetrics(IMetricsCollector metricsCollector)
{
if (metricsCollector != null)
{
this.MetricsCollector = metricsCollector;
}
}
public void Initialize(IMetricsCollector collector)
{
if (_throwOnInitialize)
{
throw new Exception("Arghhhhh! Initialization blew up!");
}
}
public override void Detach(IMetricsCollector collector)
{
if (_throwOnDetach)
{
throw new Exception("Arghhhhh! Detach blew up!");
}
}
internal AgentComponents(
IApmLogger logger,
IConfigurationReader configurationReader,
IPayloadSender payloadSender,
IMetricsCollector metricsCollector,
ICurrentExecutionSegmentsContainer currentExecutionSegmentsContainer
)
{
var tempLogger = logger ?? ConsoleLogger.LoggerOrDefault(configurationReader?.LogLevel);
ConfigurationReader = configurationReader ?? new EnvironmentConfigurationReader(tempLogger);
Logger = logger ?? ConsoleLogger.LoggerOrDefault(ConfigurationReader.LogLevel);
Service = Service.GetDefaultService(ConfigurationReader, Logger);
var systemInfoHelper = new SystemInfoHelper(Logger);
var system = systemInfoHelper.ReadContainerId(Logger);
PayloadSender = payloadSender ?? new PayloadSenderV2(Logger, ConfigurationReader, Service, system);
MetricsCollector = metricsCollector ?? new MetricsCollector(Logger, PayloadSender, ConfigurationReader);
MetricsCollector.StartCollecting();
TracerInternal = new Tracer(Logger, Service, PayloadSender, ConfigurationReader,
currentExecutionSegmentsContainer ?? new CurrentExecutionSegmentsContainer(Logger));
}
internal AgentComponents(
IMetricsCollector metricsCollector,
IApmLogger logger = null,
IConfigurationReader configurationReader = null,
IPayloadSender payloadSender = null
) : this(logger, configurationReader, payloadSender)
=> (MetricsCollector = metricsCollector ?? new MetricsCollector(Logger, PayloadSender, ConfigurationReader)).StartCollecting();
/// <inheritdoc/>
public void Initialize(IMetricsCollector collector)
{
const string MicrosoftAspNetCoreHostingEventSourceName = "Microsoft.AspNetCore.Hosting";
_diagnosticsCollector.AddSource(
new EventPipeProvider(
MicrosoftAspNetCoreHostingEventSourceName,
EventLevel.Informational,
arguments: new Dictionary <string, string>()
{
{ "EventCounterIntervalSec", collector.ReportingInterval.TotalSeconds.ToString() }
}
)
);
void AddCounterCallback(string name, Counter counter) => _diagnosticsCollector.AddCounterCallback(MicrosoftAspNetCoreHostingEventSourceName, name, counter.Increment);
void AddGaugeCallback(string name, SamplingGauge gauge) => _diagnosticsCollector.AddGaugeCallback(MicrosoftAspNetCoreHostingEventSourceName, name, gauge.Record);
var requestsPerSec = collector.CreateMetric <Counter>("dotnet.kestrel.requests.per_sec", "requests/sec", "Requests per second", includePrefix: false);
var totalRequests = collector.CreateMetric <SamplingGauge>("dotnet.kestrel.requests.total", "requests", "Total requests", includePrefix: false);
var currentRequests = collector.CreateMetric <SamplingGauge>("dotnet.kestrel.requests.current", "requests", "Currently executing requests", includePrefix: false);
var failedRequests = collector.CreateMetric <SamplingGauge>("dotnet.kestrel.requests.failed", "requests", "Failed requests", includePrefix: false);
AddCounterCallback("requests-per-sec", requestsPerSec);
AddGaugeCallback("total-requests", totalRequests);
AddGaugeCallback("current-requests", currentRequests);
AddGaugeCallback("failed-requests", failedRequests);
}
/// <inheritdoc/>
public void Initialize(IMetricsCollector collector)
{
_processorTime = collector.CreateMetric <SamplingGauge>("dotnet.cpu.processortime", "seconds", "Total processor time", includePrefix: false);
_virtual = collector.CreateMetric <SamplingGauge>("dotnet.mem.virtual", "bytes", "Virtual memory for the process", includePrefix: false);
_paged = collector.CreateMetric <SamplingGauge>("dotnet.mem.paged", "bytes", "Paged memory for the process", includePrefix: false);
_threads = collector.CreateMetric <SamplingGauge>("dotnet.cpu.threads", "threads", "Threads for the process", includePrefix: false);
}
internal AgentComponents(
IApmLogger logger,
IConfigurationReader configurationReader,
IPayloadSender payloadSender,
IMetricsCollector metricsCollector,
ICurrentExecutionSegmentsContainer currentExecutionSegmentsContainer,
ICentralConfigFetcher centralConfigFetcher
)
{
var tempLogger = logger ?? ConsoleLogger.LoggerOrDefault(configurationReader?.LogLevel);
ConfigurationReader = configurationReader ?? new EnvironmentConfigurationReader(tempLogger);
Logger = logger ?? ConsoleLogger.LoggerOrDefault(ConfigurationReader.LogLevel);
Service = Service.GetDefaultService(ConfigurationReader, Logger);
var systemInfoHelper = new SystemInfoHelper(Logger);
var system = systemInfoHelper.ParseSystemInfo();
ConfigStore = new ConfigStore(new ConfigSnapshotFromReader(ConfigurationReader, "local"), Logger);
PayloadSender = payloadSender ?? new PayloadSenderV2(Logger, ConfigStore.CurrentSnapshot, Service, system);
MetricsCollector = metricsCollector ?? new MetricsCollector(Logger, PayloadSender, ConfigurationReader);
MetricsCollector.StartCollecting();
CentralConfigFetcher = centralConfigFetcher ?? new CentralConfigFetcher(Logger, ConfigStore, Service);
TracerInternal = new Tracer(Logger, Service, PayloadSender, ConfigStore,
currentExecutionSegmentsContainer ?? new CurrentExecutionSegmentsContainer());
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHorizonConnectionFactory"/> class.
/// </summary>
/// <param name="reverseCallClients">The reverse call clients to use for creating event horizon clients.</param>
/// <param name="metrics">The system for collecting metrics.</param>
/// <param name="loggerFactory">The logger factory to use for creating loggers for the event horizon connections</param>
public EventHorizonConnectionFactory(
IReverseCallClients reverseCallClients,
IMetricsCollector metrics,
ILoggerFactory loggerFactory)
{
_reverseCallClients = reverseCallClients;
_metrics = metrics;
_loggerFactory = loggerFactory;
}
/// <summary>
/// Initializes a new instance of the <see cref="ReverseCallClients"/> class.
/// </summary>
/// <param name="clientManager">The client manager to use for creating gRPC clients.</param>
/// <param name="metrics">The metrics collector to use for collecting metrics for reverse call clients.</param>
/// <param name="loggerFactory">The logger factory to use for creating loggers.</param>
public ReverseCallClients(
IClientManager clientManager,
IMetricsCollector metrics,
ILoggerFactory loggerFactory)
{
_clientManager = clientManager;
_metrics = metrics;
_loggerFactory = loggerFactory;
}
/// <summary>
/// Initializes a new instance of the <see cref="SystemDiagnostics"/> class.
/// </summary>
/// <param name="logger">The object that logs the given messages.</param>
/// <param name="metrics">The object that provides metrics collection methods. May be <see langword="null" />.</param>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="logger"/> is <see langword="null" />.
/// </exception>
public SystemDiagnostics(ILogger logger, IMetricsCollector metrics)
{
if (logger == null)
{
throw new ArgumentNullException("logger");
}
_logger = logger;
_metrics = metrics;
}
/// <inheritdoc/>
public void Initialize(IMetricsCollector collector)
{
const string SystemRuntimeEventSourceName = "System.Runtime";
_diagnosticsCollector.AddSource(
new EventPipeProvider(
SystemRuntimeEventSourceName,
EventLevel.Informational,
arguments: new Dictionary <string, string>()
{
{ "EventCounterIntervalSec", collector.ReportingInterval.TotalSeconds.ToString() }
}
)
);
void AddCounterCallback(string name, Counter counter) => _diagnosticsCollector.AddCounterCallback(SystemRuntimeEventSourceName, name, counter.Increment);
void AddGaugeCallback(string name, SamplingGauge gauge) => _diagnosticsCollector.AddGaugeCallback(SystemRuntimeEventSourceName, name, gauge.Record);
var cpuUsage = collector.CreateMetric <SamplingGauge>("dotnet.cpu.usage", "percent", "% CPU usage", includePrefix: false);
var workingSet = collector.CreateMetric <SamplingGauge>("dotnet.mem.working_set", "bytes", "Working set for the process", includePrefix: false);
AddGaugeCallback("cpu-usage", cpuUsage);
AddGaugeCallback("working-set", workingSet);
// GC
var gen0 = collector.CreateMetric <Counter>("dotnet.mem.collections.gen0", "collections", "Number of gen-0 collections", includePrefix: false);
var gen1 = collector.CreateMetric <Counter>("dotnet.mem.collections.gen1", "collections", "Number of gen-1 collections", includePrefix: false);
var gen2 = collector.CreateMetric <Counter>("dotnet.mem.collections.gen2", "collections", "Number of gen-2 collections", includePrefix: false);
var gen0Size = collector.CreateMetric <SamplingGauge>("dotnet.mem.size.gen0", "bytes", "Total number of bytes in gen-0", includePrefix: false);
var gen1Size = collector.CreateMetric <SamplingGauge>("dotnet.mem.size.gen1", "bytes", "Total number of bytes in gen-1", includePrefix: false);
var gen2Size = collector.CreateMetric <SamplingGauge>("dotnet.mem.size.gen2", "bytes", "Total number of bytes in gen-2", includePrefix: false);
var heapSize = collector.CreateMetric <SamplingGauge>("dotnet.mem.size.heap", "bytes", "Total number of bytes across all heaps", includePrefix: false);
var lohSize = collector.CreateMetric <SamplingGauge>("dotnet.mem.size.loh", "bytes", "Total number of bytes in the LOH", includePrefix: false);
var allocRate = collector.CreateMetric <Counter>("dotnet.mem.allocation_rate", "bytes/sec", "Allocation Rate (Bytes / sec)", includePrefix: false);
AddGaugeCallback("gc-heap-size", heapSize);
AddGaugeCallback("gen-0-size", gen0Size);
AddGaugeCallback("gen-1-size", gen1Size);
AddGaugeCallback("gen-2-size", gen2Size);
AddCounterCallback("gen-0-gc-count", gen0);
AddCounterCallback("gen-1-gc-count", gen1);
AddCounterCallback("gen-2-gc-count", gen2);
AddGaugeCallback("loh-size", lohSize);
AddCounterCallback("alloc-rate", allocRate);
// thread pool
var threadPoolCount = collector.CreateMetric <SamplingGauge>("dotnet.threadpool.count", "threads", "Number of threads in the threadpool", includePrefix: false);
var threadPoolQueueLength = collector.CreateMetric <SamplingGauge>("dotnet.threadpool.queue_length", "workitems", "Number of work items queued to the threadpool", includePrefix: false);
var timerCount = collector.CreateMetric <SamplingGauge>("dotnet.timers.count", "timers", "Number of active timers", includePrefix: false);
AddGaugeCallback("threadpool-thread-count", threadPoolCount);
AddGaugeCallback("threadpool-queue-length", threadPoolQueueLength);
AddGaugeCallback("active-timer-count", timerCount);
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHorizonConnection" /> class.
/// </summary>
/// <param name="executionContext">The <see cref="ExecutionContext"/>.</param>
/// <param name="reverseCallClient">The reverse call client.</param>
/// <param name="metrics">The system for collecting metrics.</param>
/// <param name="logger">The logger.</param>
public EventHorizonConnection(
ExecutionContext executionContext,
IReverseCallClient <ConsumerSubscriptionRequest, Contracts.SubscriptionResponse, ConsumerRequest, ConsumerResponse> reverseCallClient,
IMetricsCollector metrics,
ILogger logger)
{
_executionContext = executionContext;
_reverseCallClient = reverseCallClient;
_metrics = metrics;
_logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProjectionPersister"/> class.
/// </summary>
/// <param name="projectionStore">The projection store to persist to.</param>
/// <param name="copyStores">The copy stores to persist to.</param>
/// <param name="metrics">The metrics collector to use.</param>
/// <param name="logger">The logger to use.</param>
public ProjectionPersister(
IProjectionStore projectionStore,
IEnumerable <IProjectionCopyStore> copyStores,
IMetricsCollector metrics,
ILogger logger)
{
_projectionStore = projectionStore;
_copyStores = copyStores;
_metrics = metrics;
_logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="SubscriptionsService"/> class.
/// </summary>
/// <param name="executionContextCreator">The execution context creator to use for verifying incoming execution contexts.</param>
/// <param name="getSubscriptionsFor">The factory to use to create an <see cref="ISubscriptions"/> for a tenant.</param>
/// <param name="metrics">The system for capturing metrics.</param>
/// <param name="logger">The logger to use for logging.</param>
public SubscriptionsService(
ICreateExecutionContexts executionContextCreator,
Func <TenantId, ISubscriptions> getSubscriptionsFor,
IMetricsCollector metrics,
ILogger logger)
{
_executionContextCreator = executionContextCreator;
_getSubscriptionsFor = getSubscriptionsFor;
_metrics = metrics;
_logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProjectionStore"/> class.
/// </summary>
/// <param name="projectionStates">The <see cref="IProjectionStates"/> to use for getting projection states.</param>
/// <param name="projectionDefinitions">The <see cref="IProjectionStates"/> to use for getting initial projection states.</param>
/// <param name="metrics">The metrics collector to use.</param>
/// <param name="logger">The logger to use.</param>
public ProjectionStore(
IProjectionStates projectionStates,
IProjectionDefinitions projectionDefinitions,
IMetricsCollector metrics,
ILogger logger
)
{
_projectionStates = projectionStates;
_projectionDefinitions = projectionDefinitions;
_metrics = metrics;
_logger = logger;
}
internal AgentComponents(
IApmLogger logger,
IConfigurationReader configurationReader,
IPayloadSender payloadSender,
IMetricsCollector metricsCollector,
ICurrentExecutionSegmentsContainer currentExecutionSegmentsContainer,
ICentralConfigFetcher centralConfigFetcher,
IApmServerInfo apmServerInfo,
BreakdownMetricsProvider breakdownMetricsProvider = null
)
{
try
{
var tempLogger = logger ?? ConsoleLogger.LoggerOrDefault(configurationReader?.LogLevel);
ConfigurationReader = configurationReader ?? new EnvironmentConfigurationReader(tempLogger);
Logger = logger ?? ConsoleLogger.LoggerOrDefault(ConfigurationReader.LogLevel);
Service = Service.GetDefaultService(ConfigurationReader, Logger);
var systemInfoHelper = new SystemInfoHelper(Logger);
var system = systemInfoHelper.ParseSystemInfo(ConfigurationReader.HostName);
ConfigStore = new ConfigStore(new ConfigSnapshotFromReader(ConfigurationReader, "local"), Logger);
ApmServerInfo = apmServerInfo ?? new ApmServerInfo();
PayloadSender = payloadSender
?? new PayloadSenderV2(Logger, ConfigStore.CurrentSnapshot, Service, system, ApmServerInfo,
isEnabled: ConfigurationReader.Enabled);
HttpTraceConfiguration = new HttpTraceConfiguration();
if (ConfigurationReader.Enabled)
{
breakdownMetricsProvider ??= new BreakdownMetricsProvider(Logger);
CentralConfigFetcher = centralConfigFetcher ?? new CentralConfigFetcher(Logger, ConfigStore, Service);
MetricsCollector = metricsCollector ?? new MetricsCollector(Logger, PayloadSender, ConfigStore, breakdownMetricsProvider);
MetricsCollector.StartCollecting();
}
else
{
Logger.Info()?.Log("The Elastic APM .NET Agent is disabled - the agent won't capture traces and metrics.");
}
TracerInternal = new Tracer(Logger, Service, PayloadSender, ConfigStore,
currentExecutionSegmentsContainer ?? new CurrentExecutionSegmentsContainer(), ApmServerInfo, breakdownMetricsProvider);
}
catch (Exception e)
{
Logger.Error()?.LogException(e, "Failed initializing agent.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ReverseCallDispatchers"/> class.
/// </summary>
/// <param name="requestIdentifier">The <see cref="IIdentifyRequests"/> for identifying requests.</param>
/// <param name="executionContextCreator">The <see cref="ICreateExecutionContexts"/> to use.</param>
/// <param name="metricsCollector">The <see cref="IMetricsCollector"/>.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory"/> to use for creating instances of <see cref="ILogger"/>.</param>
/// <param name="pingedConnectionFactory">The <see cref="IKeepConnectionsAlive"/> for creating pinged connections.</param>
public ReverseCallDispatchers(
IIdentifyRequests requestIdentifier,
ICreateExecutionContexts executionContextCreator,
IMetricsCollector metricsCollector,
ILoggerFactory loggerFactory,
IKeepConnectionsAlive pingedConnectionFactory)
{
_requestIdentifier = requestIdentifier;
_executionContextCreator = executionContextCreator;
_metricsCollector = metricsCollector;
_loggerFactory = loggerFactory;
_pingedConnectionFactory = pingedConnectionFactory;
}
/// <summary>
/// Initializes an instance of the <see cref="StreamProcessor" /> class.
/// </summary>
/// <param name="streamProcessorStates">The <see cref="IResilientStreamProcessorStateRepository" />.</param>
/// <param name="externalEventsCommitter">The <see cref="ICommitExternalEvents"/></param>
/// <param name="eventsFetcherPolicy">The <see cref="IAsyncPolicyFor{T}"/> <see cref="ICanFetchEventsFromStream" />.</param>
/// <param name="metrics">The system for collecting metrics.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory" />.</param>
public StreamProcessorFactory(
IResilientStreamProcessorStateRepository streamProcessorStates,
ICommitExternalEvents externalEventsCommitter,
IEventFetcherPolicies eventsFetcherPolicy,
IMetricsCollector metrics,
ILoggerFactory loggerFactory
)
{
_streamProcessorStates = streamProcessorStates;
_externalEventsCommitter = externalEventsCommitter;
_eventsFetcherPolicy = eventsFetcherPolicy;
_metrics = metrics;
_loggerFactory = loggerFactory;
}
/// <summary>
/// Initializes a new instance of the <see cref="WrappedAsyncStreamReader{TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse}"/> class.
/// </summary>
/// <param name="requestId">The request id for the gRPC method call.</param>
/// <param name="originalStream">The original gRPC stream reader to wrap.</param>
/// <param name="messageConverter">The message converter to use to convert the first message received.</param>
/// <param name="metrics">The metrics collector to use for metrics about reverse call stream reads.</param>
/// <param name="logger">The logger to use.</param>
/// <param name="cancellationToken">A cancellation token to use for cancelling pending and future reads.</param>
public WrappedAsyncStreamReader(
RequestId requestId,
IAsyncStreamReader <TClientMessage> originalStream,
IConvertReverseCallMessages <TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse> messageConverter,
IMetricsCollector metrics,
ILogger logger,
CancellationToken cancellationToken)
{
_requestId = requestId;
_originalStream = originalStream;
_messageConverter = messageConverter;
_metrics = metrics;
_logger = logger;
_cancellationToken = cancellationToken;
}
/// <summary>
/// Initializes a new instance of the <see cref="EventProcessor"/> class.
/// </summary>
/// <param name="consentId">THe <see cref="ConsentId" />.</param>
/// <param name="subscription">The <see cref="Subscription" />.</param>
/// <param name="externalEventsCommitter">The <see cref="ICommitExternalEvents"/>.</param>
/// <param name="metrics">The system for collecting metrics.</param>
/// <param name="logger">The <see cref="ILogger" />.</param>
public EventProcessor(
ConsentId consentId,
SubscriptionId subscription,
ICommitExternalEvents externalEventsCommitter,
IMetricsCollector metrics,
ILogger logger)
{
_consentId = consentId;
Scope = subscription.ScopeId;
Identifier = subscription.ProducerTenantId.Value;
_subscriptionId = subscription;
_externalEventsCommitter = externalEventsCommitter;
_metrics = metrics;
_logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="ConsumerService"/> class.
/// </summary>
/// <param name="getEventHorizonsConfiguration">The <see cref="Func{TResult}"/> callback for getting <see cref="EventHorizonsPerMicroserviceConfiguration"/> tenant specific configuration.</param>
/// <param name="tenants">The <see cref="ITenants"/> system.</param>
/// <param name="reverseCalls">The <see cref="IInitiateReverseCallServices" />.</param>
/// <param name="protocol">The <see cref="IConsumerProtocol" />.</param>
/// <param name="eventHorizons">The <see cref="IEventHorizons"/>.</param>
/// <param name="metrics">The system for capturing metrics.</param>
/// <param name="logger"><see cref="ILogger"/> for logging.</param>
public ConsumerService(
Func <TenantId, IOptions <EventHorizonsPerMicroserviceConfiguration> > getEventHorizonsConfiguration,
ITenants tenants,
IInitiateReverseCallServices reverseCalls,
IConsumerProtocol protocol,
IEventHorizons eventHorizons,
IMetricsCollector metrics,
ILogger logger)
{
_getEventHorizonsConfiguration = getEventHorizonsConfiguration;
_tenants = tenants;
_reverseCalls = reverseCalls;
_protocol = protocol;
_eventHorizons = eventHorizons;
_metrics = metrics;
_logger = logger;
}
/// <summary>
/// Initializes a new instance of the <see cref="SubscriptionFactory"/> class.
/// </summary>
/// <param name="streamProcessorFactory">The factory to use for creating stream processors that write the received events.</param>
/// <param name="eventHorizonConnectionFactory">The factory to use for creating new connections to the producer Runtime.</param>
/// <param name="subscriptionPolicies">The policy to use for handling the <see cref="SubscribeLoop(CancellationToken)"/>.</param>
/// <param name="subscriptionPositions">The system to use for getting the next event to receive for a subscription.</param>
/// <param name="metrics">The system for collecting metrics.</param>
/// <param name="processingMetrics">The system for collecting metrics for event horizon consumer processing.</param>
/// <param name="loggerFactory">The logger factory to use for creating loggers.</param>
public SubscriptionFactory(
IStreamProcessorFactory streamProcessorFactory,
IEventHorizonConnectionFactory eventHorizonConnectionFactory,
ISubscriptionPolicies subscriptionPolicies,
IGetNextEventToReceiveForSubscription subscriptionPositions,
IMetricsCollector metrics,
Processing.IMetricsCollector processingMetrics,
ILoggerFactory loggerFactory)
{
_loggerFactory = loggerFactory;
_streamProcessorFactory = streamProcessorFactory;
_eventHorizonConnectionFactory = eventHorizonConnectionFactory;
_subscriptionPolicies = subscriptionPolicies;
_subscriptionPositions = subscriptionPositions;
_metrics = metrics;
_processingMetrics = processingMetrics;
}
public ClusterMetricsCollector()
{
_cluster = Cluster.Get(Context.System);
_collector = new MetricsCollectorBuilder().Build(Context.System);
var metrics = ClusterMetrics.Get(Context.System);
// Start periodic gossip to random nodes in cluster
var gossipInitialDelay = metrics.Settings.PeriodicTasksInitialDelay.Max(metrics.Settings.CollectorGossipInterval);
_gossipTask = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(
gossipInitialDelay, metrics.Settings.CollectorGossipInterval, Self, GossipTick.Instance, Self);
// Start periodic metrics collection
var sampleInitialDelay = metrics.Settings.PeriodicTasksInitialDelay.Max(metrics.Settings.CollectorSampleInterval);
_sampleTask = Context.System.Scheduler.ScheduleTellRepeatedlyCancelable(
sampleInitialDelay, metrics.Settings.CollectorSampleInterval, Self, MetricsTick.Instance, Self);
}
/// <summary>
/// Initializes a new instance of the <see cref="StreamProcessor"/> class.
/// </summary>
/// <param name="subscriptionId">The identifier of the subscription the stream processor will receive events for.</param>
/// <param name="executionContext">The <see cref="ExecutionContext"/>.</param>
/// <param name="eventProcessor">The event processor that writes the received events to a scoped event log.</param>
/// <param name="eventsFetcher">The event fetcher that receives fetches events over an event horizon connection.</param>
/// <param name="streamProcessorStates">The repository to use for getting the subscription state.</param>
/// <param name="eventsFetcherPolicy">The policy around fetching events.</param>
/// <param name="metrics">The system for collecting metrics.</param>
/// <param name="loggerFactory">The factory for creating loggers.</param>
public StreamProcessor(
SubscriptionId subscriptionId,
ExecutionContext executionContext,
IEventProcessor eventProcessor,
EventsFromEventHorizonFetcher eventsFetcher,
IResilientStreamProcessorStateRepository streamProcessorStates,
IEventFetcherPolicies eventsFetcherPolicy,
IMetricsCollector metrics,
ILoggerFactory loggerFactory)
{
_identifier = subscriptionId;
_executionContext = executionContext;
_eventProcessor = eventProcessor;
_streamProcessorStates = streamProcessorStates;
_eventsFetcher = eventsFetcher;
_eventsFetcherPolicy = eventsFetcherPolicy;
_metrics = metrics;
_loggerFactory = loggerFactory;
_logger = loggerFactory.CreateLogger <StreamProcessor>();
}
private void EnsureMetricCollector(IConsumingContext <T> context)
{
if (this.metricsCollectorInitialized)
{
return;
}
lock (this)
{
try
{
this.metricsCollector = (context.Bus as AbstractBus)?.Configuration?.MetricsCollector;
}
catch (Exception e)
{
Log.Warn(m => m("Could not get metric collector"), e);
}
this.metricsCollectorInitialized = true;
}
}
/// <summary>
/// Gets metrics from the source.
/// </summary>
/// <param name="collector">Collector that stores the resulting metrics snapshot as records.</param>
/// <param name="all">If true, gets metric values even if they are unchanged.</param>
public void GetMetrics(IMetricsCollector collector, bool all)
{
lock (_lock)
{
var rb = collector.CreateRecord(_recordName)
.SetContext(_sourceContext)
.AddTag("TaskOrContextName", _contextOrTaskName)
.AddTag("EvaluatorId", _evaluatorId)
.AddTag("SourceType", "DefaultSource");
var request = new SnapshotRequest(rb, all);
foreach (var entry in _observers)
{
entry.OnNext(request);
}
foreach (var entry in _tags)
{
rb.Add(entry.Value);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PingedConnection{TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse}"/> class.
/// </summary>
/// <param name="requestId">The request id for the gRPC method call.</param>
/// <param name="runtimeStream">The <see cref="IAsyncStreamReader{TClientMessage}"/> to read messages to the Runtime.</param>
/// <param name="clientStream">The <see cref="IServerStreamWriter{TServerMessage}"/> to write messages to the Client.</param>
/// <param name="context">The <see cref="ServerCallContext"/> of the method call.</param>
/// <param name="messageConverter">The <see cref="MethodConverter"/> to use for decoding the connect arguments and reading the desired ping interval from.</param>
/// <param name="keepalive">The keepalive token canceller to use for keeping track of ping timeouts.</param>
/// <param name="pingScheduler">The callback scheduler to use for scheduling accurate pings.</param>
/// <param name="metrics">The metrics collector to use for metrics about reverse calls.</param>
/// <param name="loggerFactory">The logger factory to use to create loggers.</param>
public PingedConnection(
RequestId requestId,
IAsyncStreamReader <TClientMessage> runtimeStream,
IAsyncStreamWriter <TServerMessage> clientStream,
ServerCallContext context,
IConvertReverseCallMessages <TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse> messageConverter,
ICancelTokenIfDeadlineIsMissed keepalive,
ICallbackScheduler pingScheduler,
IMetricsCollector metrics,
ILoggerFactory loggerFactory)
{
_cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(context.CancellationToken, keepalive.Token);
_requestId = requestId;
_keepalive = keepalive;
_pingScheduler = pingScheduler;
_wrappedReader = new WrappedAsyncStreamReader <TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse>(
requestId,
runtimeStream,
messageConverter,
metrics,
loggerFactory.CreateLogger <WrappedAsyncStreamReader <TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse> >(),
_cancellationTokenSource.Token);
_wrappedWriter = new WrappedAsyncStreamWriter <TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse>(
requestId,
clientStream,
messageConverter,
metrics,
loggerFactory.CreateLogger <WrappedAsyncStreamWriter <TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse> >(),
_cancellationTokenSource.Token);
_metrics = metrics;
_logger = loggerFactory.CreateLogger <PingedConnection <TClientMessage, TServerMessage, TConnectArguments, TConnectResponse, TRequest, TResponse> >();
WaitForCallContextInFirstMessageThenStartPinging();
_keepAliveExpiredRegistration = keepalive.Token.Register(NotifyKeepaliveTimedOut);
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHorizon"/> class.
/// </summary>
/// <param name="id">The <see cref="EventHorizonId"/>.</param>
/// <param name="consent">The <see cref="ConsentId"/>.</param>
/// <param name="currentPosition">The initial current <see cref="StreamPosition"/> of the event horizon.</param>
/// <param name="dispatcher">The reverse call dispatcher.</param>
/// <param name="executionContexts">The <see cref="ICreateExecutionContexts"/>.</param>
/// <param name="getEventFetchers">The <see cref="Func{TResult}"/> callback for getting <see cref="IEventFetchers"/> in a tenant container.</param>
/// <param name="getStreamWaiter">The <see cref="Func{TResult}"/> callback for getting <see cref="IStreamEventWatcher"/> in a tenant container</param>
/// <param name="metrics">The <see cref="IMetricsCollector"/>.</param>
/// <param name="logger">The <see cref="ILogger"/>.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public EventHorizon(
EventHorizonId id,
ConsentId consent,
StreamPosition currentPosition,
IReverseCallDispatcher <EventHorizonConsumerToProducerMessage, EventHorizonProducerToConsumerMessage, ConsumerSubscriptionRequest, SubscriptionResponse, ConsumerRequest, ConsumerResponse> dispatcher,
ICreateExecutionContexts executionContexts,
Func <TenantId, IEventFetchers> getEventFetchers,
Func <TenantId, IStreamEventWatcher> getStreamWaiter,
IMetricsCollector metrics,
ILogger logger,
CancellationToken cancellationToken)
{
Consent = consent;
_dispatcher = dispatcher;
_executionContexts = executionContexts;
_getEventFetchers = getEventFetchers;
_getStreamWaiter = getStreamWaiter;
_metrics = metrics;
_logger = logger;
Id = id;
CurrentPosition = currentPosition;
_cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
}
/// <summary>
/// Called when an <see cref="IMetricsCollector"/> is stopping in order to detach
/// any event handlers, etc. the source may be attached to.
/// </summary>
/// <param name="collector">
/// An <see cref="IMetricsCollector"/>.
/// </param>
public virtual void Detach(IMetricsCollector collector)
{
}
/// <summary>
/// Gets metrics from the source.
/// </summary>
/// <param name="collector">Collector that stores the resulting metrics snapshot as records.</param>
/// <param name="all">If true, gets metric values even if they are unchanged.</param>
public void GetMetrics(IMetricsCollector collector, bool all)
{
lock (_lock)
{
var rb = collector.CreateRecord(_recordName)
.SetContext(_sourceContext)
.AddTag("TaskOrContextName", _contextOrTaskName)
.AddTag("EvaluatorId", _evaluatorId)
.AddTag("SourceType", "DefaultSource");
var request = new SnapshotRequest(rb, all);
foreach (var entry in _observers)
{
entry.OnNext(request);
}
foreach (var entry in _tags)
{
rb.Add(entry.Value);
}
}
}
public MetricsGossipSpec()
{
_collector = CreateMetricsCollector();
}
public MetricValuesSpec()
{
_collector = CreateMetricsCollector();
_node1 = new NodeMetrics(new Address("akka.tcp", "sys", "a", 2554), 1, _collector.Sample().Metrics);
_node2 = new NodeMetrics(new Address("akka.tcp", "sys", "a", 2555), 1, _collector.Sample().Metrics);
}
public EWMASpec()
{
_collector = CreateMetricsCollector();
}
