diff options
Diffstat (limited to 'kamon-akka/src/main/scala/kamon/instrumentation/akka')
5 files changed, 0 insertions, 590 deletions
diff --git a/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorCellInstrumentation.scala b/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorCellInstrumentation.scala deleted file mode 100644 index 78d88583..00000000 --- a/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorCellInstrumentation.scala +++ /dev/null @@ -1,213 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2014 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package akka.kamon.instrumentation - -import akka.actor._ -import akka.dispatch.{ Envelope, MessageDispatcher } -import akka.routing.RoutedActorCell -import kamon.Kamon -import kamon.akka.{ RouterMetrics, ActorMetrics } -import ActorMetrics.ActorMetricsRecorder -import RouterMetrics.RouterMetricsRecorder -import kamon.metric.Metrics -import kamon.trace._ -import org.aspectj.lang.ProceedingJoinPoint -import org.aspectj.lang.annotation._ - -@Aspect -class ActorCellInstrumentation { - - @Pointcut("execution(akka.actor.ActorCell.new(..)) && this(cell) && args(system, ref, props, dispatcher, parent)") - def actorCellCreation(cell: ActorCell, system: ActorSystem, ref: ActorRef, props: Props, dispatcher: MessageDispatcher, parent: ActorRef): Unit = {} - - @After("actorCellCreation(cell, system, ref, props, dispatcher, parent)") - def afterCreation(cell: ActorCell, system: ActorSystem, ref: ActorRef, props: Props, dispatcher: MessageDispatcher, parent: ActorRef): Unit = { - val metricsExtension = Kamon(Metrics)(system) - val metricIdentity = ActorMetrics(ref.path.elements.mkString("/")) - val cellMetrics = cell.asInstanceOf[ActorCellMetrics] - - cellMetrics.actorMetricIdentity = metricIdentity - cellMetrics.actorMetricsRecorder = metricsExtension.register(metricIdentity, ActorMetrics.Factory) - } - - @Pointcut("execution(* akka.actor.ActorCell.invoke(*)) && this(cell) && args(envelope)") - def invokingActorBehaviourAtActorCell(cell: ActorCell, envelope: Envelope) = {} - - @Around("invokingActorBehaviourAtActorCell(cell, envelope)") - def aroundBehaviourInvoke(pjp: ProceedingJoinPoint, cell: ActorCell, envelope: Envelope): Any = { - val cellMetrics = cell.asInstanceOf[ActorCellMetrics] - val timestampBeforeProcessing = System.nanoTime() - val contextAndTimestamp = envelope.asInstanceOf[TimestampedTraceContextAware] - - try { - TraceRecorder.withInlineTraceContextReplacement(contextAndTimestamp.traceContext) { - pjp.proceed() - } - } finally { - cellMetrics.actorMetricsRecorder.map { am ⇒ - val processingTime = System.nanoTime() - timestampBeforeProcessing - val timeInMailbox = timestampBeforeProcessing - contextAndTimestamp.captureNanoTime - - am.processingTime.record(processingTime) - am.timeInMailbox.record(timeInMailbox) - am.mailboxSize.decrement() - - // In case that this actor is behind a router, record the metrics for the router. - envelope.asInstanceOf[RouterAwareEnvelope].routerMetricsRecorder.map { rm ⇒ - rm.processingTime.record(processingTime) - rm.timeInMailbox.record(timeInMailbox) - } - } - } - } - - @Pointcut("execution(* akka.actor.ActorCell.sendMessage(*)) && this(cell) && args(envelope)") - def sendMessageInActorCell(cell: ActorCell, envelope: Envelope): Unit = {} - - @After("sendMessageInActorCell(cell, envelope)") - def afterSendMessageInActorCell(cell: ActorCell, envelope: Envelope): Unit = { - val cellMetrics = cell.asInstanceOf[ActorCellMetrics] - cellMetrics.actorMetricsRecorder.map(_.mailboxSize.increment()) - } - - @Pointcut("execution(* akka.actor.ActorCell.stop()) && this(cell)") - def actorStop(cell: ActorCell): Unit = {} - - @After("actorStop(cell)") - def afterStop(cell: ActorCell): Unit = { - val cellMetrics = cell.asInstanceOf[ActorCellMetrics] - cellMetrics.actorMetricsRecorder.map { _ ⇒ - Kamon(Metrics)(cell.system).unregister(cellMetrics.actorMetricIdentity) - } - - // The Stop can't be captured from the RoutedActorCell so we need to put this piece of cleanup here. - if (cell.isInstanceOf[RoutedActorCell]) { - val routedCellMetrics = cell.asInstanceOf[RoutedActorCellMetrics] - routedCellMetrics.routerMetricsRecorder.map { _ ⇒ - Kamon(Metrics)(cell.system).unregister(routedCellMetrics.routerMetricIdentity) - } - } - } - - @Pointcut("execution(* akka.actor.ActorCell.handleInvokeFailure(..)) && this(cell)") - def actorInvokeFailure(cell: ActorCell): Unit = {} - - @Before("actorInvokeFailure(cell)") - def beforeInvokeFailure(cell: ActorCell): Unit = { - val cellWithMetrics = cell.asInstanceOf[ActorCellMetrics] - cellWithMetrics.actorMetricsRecorder.map(_.errors.increment()) - - // In case that this actor is behind a router, count the errors for the router as well. - val envelope = cell.currentMessage.asInstanceOf[RouterAwareEnvelope] - envelope.routerMetricsRecorder.map(_.errors.increment()) - } -} - -@Aspect -class RoutedActorCellInstrumentation { - - @Pointcut("execution(akka.routing.RoutedActorCell.new(..)) && this(cell) && args(system, ref, props, dispatcher, routeeProps, supervisor)") - def routedActorCellCreation(cell: RoutedActorCell, system: ActorSystem, ref: ActorRef, props: Props, dispatcher: MessageDispatcher, routeeProps: Props, supervisor: ActorRef): Unit = {} - - @After("routedActorCellCreation(cell, system, ref, props, dispatcher, routeeProps, supervisor)") - def afterRoutedActorCellCreation(cell: RoutedActorCell, system: ActorSystem, ref: ActorRef, props: Props, dispatcher: MessageDispatcher, routeeProps: Props, supervisor: ActorRef): Unit = { - val metricsExtension = Kamon(Metrics)(system) - val metricIdentity = RouterMetrics(ref.path.elements.mkString("/")) - val cellMetrics = cell.asInstanceOf[RoutedActorCellMetrics] - - cellMetrics.routerMetricIdentity = metricIdentity - cellMetrics.routerMetricsRecorder = metricsExtension.register(metricIdentity, RouterMetrics.Factory) - } - - @Pointcut("execution(* akka.routing.RoutedActorCell.sendMessage(*)) && this(cell) && args(envelope)") - def sendMessageInRouterActorCell(cell: RoutedActorCell, envelope: Envelope) = {} - - @Around("sendMessageInRouterActorCell(cell, envelope)") - def aroundSendMessageInRouterActorCell(pjp: ProceedingJoinPoint, cell: RoutedActorCell, envelope: Envelope): Any = { - val cellMetrics = cell.asInstanceOf[RoutedActorCellMetrics] - val timestampBeforeProcessing = System.nanoTime() - val contextAndTimestamp = envelope.asInstanceOf[TimestampedTraceContextAware] - - try { - TraceRecorder.withInlineTraceContextReplacement(contextAndTimestamp.traceContext) { - - // The router metrics recorder will only be picked up if the message is sent from a tracked router. - RouterAwareEnvelope.dynamicRouterMetricsRecorder.withValue(cellMetrics.routerMetricsRecorder) { - pjp.proceed() - } - } - } finally { - cellMetrics.routerMetricsRecorder map { routerRecorder ⇒ - routerRecorder.routingTime.record(System.nanoTime() - timestampBeforeProcessing) - } - } - } -} - -trait ActorCellMetrics { - var actorMetricIdentity: ActorMetrics = _ - var actorMetricsRecorder: Option[ActorMetricsRecorder] = _ -} - -trait RoutedActorCellMetrics { - var routerMetricIdentity: RouterMetrics = _ - var routerMetricsRecorder: Option[RouterMetricsRecorder] = _ -} - -trait RouterAwareEnvelope { - def routerMetricsRecorder: Option[RouterMetricsRecorder] -} - -object RouterAwareEnvelope { - import scala.util.DynamicVariable - private[kamon] val dynamicRouterMetricsRecorder = new DynamicVariable[Option[RouterMetricsRecorder]](None) - - def default: RouterAwareEnvelope = new RouterAwareEnvelope { - val routerMetricsRecorder: Option[RouterMetricsRecorder] = dynamicRouterMetricsRecorder.value - } -} - -@Aspect -class MetricsIntoActorCellsMixin { - - @DeclareMixin("akka.actor.ActorCell") - def mixinActorCellMetricsToActorCell: ActorCellMetrics = new ActorCellMetrics {} - - @DeclareMixin("akka.routing.RoutedActorCell") - def mixinActorCellMetricsToRoutedActorCell: RoutedActorCellMetrics = new RoutedActorCellMetrics {} - -} - -@Aspect -class TraceContextIntoEnvelopeMixin { - - @DeclareMixin("akka.dispatch.Envelope") - def mixinTraceContextAwareToEnvelope: TimestampedTraceContextAware = TimestampedTraceContextAware.default - - @DeclareMixin("akka.dispatch.Envelope") - def mixinRouterAwareToEnvelope: RouterAwareEnvelope = RouterAwareEnvelope.default - - @Pointcut("execution(akka.dispatch.Envelope.new(..)) && this(ctx)") - def envelopeCreation(ctx: TimestampedTraceContextAware): Unit = {} - - @After("envelopeCreation(ctx)") - def afterEnvelopeCreation(ctx: TimestampedTraceContextAware with RouterAwareEnvelope): Unit = { - // Necessary to force the initialization of ContextAware at the moment of creation. - ctx.traceContext - ctx.routerMetricsRecorder - } -}
\ No newline at end of file diff --git a/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorLoggingInstrumentation.scala b/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorLoggingInstrumentation.scala deleted file mode 100644 index e0e5d316..00000000 --- a/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorLoggingInstrumentation.scala +++ /dev/null @@ -1,50 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2014 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package akka.kamon.instrumentation - -import kamon.trace.logging.MdcKeysSupport -import kamon.trace.{ TraceContextAware, TraceRecorder } -import org.aspectj.lang.ProceedingJoinPoint -import org.aspectj.lang.annotation._ - -@Aspect -class ActorLoggingInstrumentation extends MdcKeysSupport { - - @DeclareMixin("akka.event.Logging.LogEvent+") - def mixinTraceContextAwareToLogEvent: TraceContextAware = TraceContextAware.default - - @Pointcut("execution(akka.event.Logging.LogEvent+.new(..)) && this(event)") - def logEventCreation(event: TraceContextAware): Unit = {} - - @After("logEventCreation(event)") - def captureTraceContext(event: TraceContextAware): Unit = { - // Force initialization of TraceContextAware - event.traceContext - } - - @Pointcut("execution(* akka.event.slf4j.Slf4jLogger.withMdc(..)) && args(logSource, logEvent, logStatement)") - def withMdcInvocation(logSource: String, logEvent: TraceContextAware, logStatement: () ⇒ _): Unit = {} - - @Around("withMdcInvocation(logSource, logEvent, logStatement)") - def aroundWithMdcInvocation(pjp: ProceedingJoinPoint, logSource: String, logEvent: TraceContextAware, logStatement: () ⇒ _): Unit = { - TraceRecorder.withInlineTraceContextReplacement(logEvent.traceContext) { - withMdc { - pjp.proceed() - } - } - } -} diff --git a/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorSystemMessageInstrumentation.scala b/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorSystemMessageInstrumentation.scala deleted file mode 100644 index 48016876..00000000 --- a/kamon-akka/src/main/scala/kamon/instrumentation/akka/ActorSystemMessageInstrumentation.scala +++ /dev/null @@ -1,80 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2014 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package akka.kamon.instrumentation - -import akka.dispatch.sysmsg.EarliestFirstSystemMessageList -import kamon.trace.{ TraceContextAware, TraceRecorder } -import org.aspectj.lang.ProceedingJoinPoint -import org.aspectj.lang.annotation._ - -@Aspect -class ActorSystemMessageInstrumentation { - - @Pointcut("execution(* akka.actor.ActorCell.invokeAll$1(..)) && args(messages, *)") - def systemMessageProcessing(messages: EarliestFirstSystemMessageList): Unit = {} - - @Around("systemMessageProcessing(messages)") - def aroundSystemMessageInvoke(pjp: ProceedingJoinPoint, messages: EarliestFirstSystemMessageList): Any = { - if (messages.nonEmpty) { - val ctx = messages.head.asInstanceOf[TraceContextAware].traceContext - TraceRecorder.withInlineTraceContextReplacement(ctx)(pjp.proceed()) - - } else pjp.proceed() - } -} - -@Aspect -class TraceContextIntoSystemMessageMixin { - - @DeclareMixin("akka.dispatch.sysmsg.SystemMessage+") - def mixinTraceContextAwareToSystemMessage: TraceContextAware = TraceContextAware.default - - @Pointcut("execution(akka.dispatch.sysmsg.SystemMessage+.new(..)) && this(ctx)") - def envelopeCreation(ctx: TraceContextAware): Unit = {} - - @After("envelopeCreation(ctx)") - def afterEnvelopeCreation(ctx: TraceContextAware): Unit = { - // Necessary to force the initialization of ContextAware at the moment of creation. - ctx.traceContext - } -} - -@Aspect -class TraceContextIntoRepointableActorRefMixin { - - @DeclareMixin("akka.actor.RepointableActorRef") - def mixinTraceContextAwareToRepointableActorRef: TraceContextAware = TraceContextAware.default - - @Pointcut("execution(akka.actor.RepointableActorRef.new(..)) && this(ctx)") - def envelopeCreation(ctx: TraceContextAware): Unit = {} - - @After("envelopeCreation(ctx)") - def afterEnvelopeCreation(ctx: TraceContextAware): Unit = { - // Necessary to force the initialization of ContextAware at the moment of creation. - ctx.traceContext - } - - @Pointcut("execution(* akka.actor.RepointableActorRef.point(..)) && this(repointableActorRef)") - def repointableActorRefCreation(repointableActorRef: TraceContextAware): Unit = {} - - @Around("repointableActorRefCreation(repointableActorRef)") - def afterRepointableActorRefCreation(pjp: ProceedingJoinPoint, repointableActorRef: TraceContextAware): Any = { - TraceRecorder.withInlineTraceContextReplacement(repointableActorRef.traceContext) { - pjp.proceed() - } - } -}
\ No newline at end of file diff --git a/kamon-akka/src/main/scala/kamon/instrumentation/akka/AskPatternInstrumentation.scala b/kamon-akka/src/main/scala/kamon/instrumentation/akka/AskPatternInstrumentation.scala deleted file mode 100644 index ebddbfc8..00000000 --- a/kamon-akka/src/main/scala/kamon/instrumentation/akka/AskPatternInstrumentation.scala +++ /dev/null @@ -1,83 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2014 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package akka.kamon.instrumentation - -import kamon.Kamon -import kamon.akka.Akka -import kamon.trace.{ TraceRecorder, TraceContext, EmptyTraceContext, TraceContextAware } -import akka.actor.{ ActorSystem, ActorRef } -import akka.event.Logging.Warning -import akka.pattern.AskTimeoutException -import org.aspectj.lang.ProceedingJoinPoint -import org.aspectj.lang.annotation._ -import org.aspectj.lang.reflect.SourceLocation -import scala.concurrent.Future -import scala.compat.Platform.EOL - -@Aspect -class AskPatternInstrumentation { - - import AskPatternInstrumentation._ - - @Pointcut("call(* akka.pattern.AskableActorRef$.$qmark$extension(..)) && args(actor, *, *)") - def askableActorRefAsk(actor: ActorRef): Unit = {} - - @Around("askableActorRefAsk(actor)") - def hookAskTimeoutWarning(pjp: ProceedingJoinPoint, actor: ActorRef): AnyRef = - TraceRecorder.withTraceContextAndSystem { (ctx, system) ⇒ - val akkaExtension = Kamon(Akka)(system) - val future = pjp.proceed().asInstanceOf[Future[AnyRef]] - - val handler = akkaExtension.askPatternTimeoutWarning match { - case "off" ⇒ None - case "lightweight" ⇒ Some(errorHandler(callInfo = Some(CallInfo(s"${actor.path.name} ?", pjp.getSourceLocation)))(system)) - case "heavyweight" ⇒ Some(errorHandler(stack = Some(new StackTraceCaptureException))(system)) - } - - handler.map(future.onFailure(_)(akkaExtension.dispatcher)) - future - - } getOrElse (pjp.proceed()) - - def errorHandler(callInfo: Option[CallInfo] = None, stack: Option[StackTraceCaptureException] = None)(implicit system: ActorSystem): ErrorHandler = { - case e: AskTimeoutException ⇒ - val message = { - if (stack.isDefined) stack.map(s ⇒ s.getStackTrace.drop(3).mkString("", EOL, EOL)) - else callInfo.map(_.message) - } - publish(message) - } - - def publish(message: Option[String])(implicit system: ActorSystem) = message map { msg ⇒ - system.eventStream.publish(Warning("AskPatternTracing", classOf[AskPatternInstrumentation], - s"Timeout triggered for ask pattern registered at: $msg")) - } -} - -object AskPatternInstrumentation { - type ErrorHandler = PartialFunction[Throwable, Unit] - - class StackTraceCaptureException extends Throwable - - case class CallInfo(name: String, sourceLocation: SourceLocation) { - def message: String = { - def locationInfo: String = Option(sourceLocation).map(location ⇒ s"${location.getFileName}:${location.getLine}").getOrElse("<unknown position>") - def line: String = s"$name @ $locationInfo" - s"$line" - } - } -}
\ No newline at end of file diff --git a/kamon-akka/src/main/scala/kamon/instrumentation/akka/DispatcherInstrumentation.scala b/kamon-akka/src/main/scala/kamon/instrumentation/akka/DispatcherInstrumentation.scala deleted file mode 100644 index 8280edca..00000000 --- a/kamon-akka/src/main/scala/kamon/instrumentation/akka/DispatcherInstrumentation.scala +++ /dev/null @@ -1,164 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2014 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package akka.kamon.instrumentation - -import java.lang.reflect.Method -import java.util.concurrent.ThreadPoolExecutor - -import akka.actor.{ ActorSystemImpl, Cancellable } -import akka.dispatch.{ Dispatcher, Dispatchers, ExecutorServiceDelegate, MessageDispatcher } -import akka.kamon.instrumentation.DispatcherMetricsCollector.DispatcherMetricsMeasurement -import kamon.Kamon -import kamon.akka.DispatcherMetrics -import DispatcherMetrics.DispatcherMetricRecorder -import kamon.metric.Metrics -import org.aspectj.lang.annotation._ - -import scala.concurrent.forkjoin.ForkJoinPool - -@Aspect -class DispatcherInstrumentation { - - @Pointcut("execution(akka.dispatch.Dispatchers.new(..)) && this(dispatchers) && cflow(execution(akka.actor.ActorSystemImpl.new(..)) && this(system))") - def onActorSystemStartup(dispatchers: Dispatchers, system: ActorSystemImpl) = {} - - @Before("onActorSystemStartup(dispatchers, system)") - def beforeActorSystemStartup(dispatchers: Dispatchers, system: ActorSystemImpl): Unit = { - val currentDispatchers = dispatchers.asInstanceOf[DispatchersWithActorSystem] - currentDispatchers.actorSystem = system - } - - @Pointcut("execution(* akka.dispatch.Dispatchers.lookup(..)) && this(dispatchers)") - def onDispatchersLookup(dispatchers: Dispatchers) = {} - - @AfterReturning(pointcut = "onDispatchersLookup(dispatchers)", returning = "dispatcher") - def afterReturningLookup(dispatchers: Dispatchers, dispatcher: Dispatcher): Unit = { - val dispatchersWithActorSystem = dispatchers.asInstanceOf[DispatchersWithActorSystem] - val dispatcherWithMetrics = dispatcher.asInstanceOf[DispatcherMetricCollectionInfo] - - dispatcherWithMetrics.actorSystem = dispatchersWithActorSystem.actorSystem - } - - @Pointcut("call(* akka.dispatch.ExecutorServiceFactory.createExecutorService(..))") - def onCreateExecutorService(): Unit = {} - - @Pointcut("cflow((execution(* akka.dispatch.MessageDispatcher.registerForExecution(..)) || execution(* akka.dispatch.MessageDispatcher.executeTask(..))) && this(dispatcher))") - def onCflowMessageDispatcher(dispatcher: Dispatcher): Unit = {} - - @Pointcut("onCreateExecutorService() && onCflowMessageDispatcher(dispatcher)") - def onDispatcherStartup(dispatcher: Dispatcher): Unit = {} - - @After("onDispatcherStartup(dispatcher)") - def afterDispatcherStartup(dispatcher: MessageDispatcher): Unit = { - - val dispatcherWithMetrics = dispatcher.asInstanceOf[DispatcherMetricCollectionInfo] - val metricsExtension = Kamon(Metrics)(dispatcherWithMetrics.actorSystem) - val metricIdentity = DispatcherMetrics(dispatcher.id) - - dispatcherWithMetrics.metricIdentity = metricIdentity - dispatcherWithMetrics.dispatcherMetricsRecorder = metricsExtension.register(metricIdentity, DispatcherMetrics.Factory) - - if (dispatcherWithMetrics.dispatcherMetricsRecorder.isDefined) { - dispatcherWithMetrics.dispatcherCollectorCancellable = metricsExtension.scheduleGaugeRecorder { - dispatcherWithMetrics.dispatcherMetricsRecorder.map { - dm ⇒ - val DispatcherMetricsMeasurement(maximumPoolSize, runningThreadCount, queueTaskCount, poolSize) = - DispatcherMetricsCollector.collect(dispatcher) - - dm.maximumPoolSize.record(maximumPoolSize) - dm.runningThreadCount.record(runningThreadCount) - dm.queueTaskCount.record(queueTaskCount) - dm.poolSize.record(poolSize) - } - } - } - } - - @Pointcut("execution(* akka.dispatch.MessageDispatcher.shutdown(..)) && this(dispatcher)") - def onDispatcherShutdown(dispatcher: MessageDispatcher): Unit = {} - - @After("onDispatcherShutdown(dispatcher)") - def afterDispatcherShutdown(dispatcher: MessageDispatcher): Unit = { - val dispatcherWithMetrics = dispatcher.asInstanceOf[DispatcherMetricCollectionInfo] - - dispatcherWithMetrics.dispatcherMetricsRecorder.map { - dispatcher ⇒ - dispatcherWithMetrics.dispatcherCollectorCancellable.cancel() - Kamon(Metrics)(dispatcherWithMetrics.actorSystem).unregister(dispatcherWithMetrics.metricIdentity) - } - } -} - -@Aspect -class DispatcherMetricCollectionInfoIntoDispatcherMixin { - - @DeclareMixin("akka.dispatch.MessageDispatcher") - def mixinDispatcherMetricsToMessageDispatcher: DispatcherMetricCollectionInfo = new DispatcherMetricCollectionInfo {} - - @DeclareMixin("akka.dispatch.Dispatchers") - def mixinDispatchersToDispatchersWithActorSystem: DispatchersWithActorSystem = new DispatchersWithActorSystem {} -} - -trait DispatcherMetricCollectionInfo { - var metricIdentity: DispatcherMetrics = _ - var dispatcherMetricsRecorder: Option[DispatcherMetricRecorder] = _ - var dispatcherCollectorCancellable: Cancellable = _ - var actorSystem: ActorSystemImpl = _ -} - -trait DispatchersWithActorSystem { - var actorSystem: ActorSystemImpl = _ -} - -object DispatcherMetricsCollector { - - case class DispatcherMetricsMeasurement(maximumPoolSize: Long, runningThreadCount: Long, queueTaskCount: Long, poolSize: Long) - - private def collectForkJoinMetrics(pool: ForkJoinPool): DispatcherMetricsMeasurement = { - DispatcherMetricsMeasurement(pool.getParallelism, pool.getActiveThreadCount, - (pool.getQueuedTaskCount + pool.getQueuedSubmissionCount), pool.getPoolSize) - } - - private def collectExecutorMetrics(pool: ThreadPoolExecutor): DispatcherMetricsMeasurement = { - DispatcherMetricsMeasurement(pool.getMaximumPoolSize, pool.getActiveCount, pool.getQueue.size(), pool.getPoolSize) - } - - private val executorServiceMethod: Method = { - // executorService is protected - val method = classOf[Dispatcher].getDeclaredMethod("executorService") - method.setAccessible(true) - method - } - - def collect(dispatcher: MessageDispatcher): DispatcherMetricsMeasurement = { - dispatcher match { - case x: Dispatcher ⇒ { - val executor = executorServiceMethod.invoke(x) match { - case delegate: ExecutorServiceDelegate ⇒ delegate.executor - case other ⇒ other - } - - executor match { - case fjp: ForkJoinPool ⇒ collectForkJoinMetrics(fjp) - case tpe: ThreadPoolExecutor ⇒ collectExecutorMetrics(tpe) - case anything ⇒ DispatcherMetricsMeasurement(0L, 0L, 0L, 0L) - } - } - case _ ⇒ new DispatcherMetricsMeasurement(0L, 0L, 0L, 0L) - } - } -} |