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author | Ivan Topolnak <itopolnak@despegar.com> | 2014-01-02 18:09:53 -0300 |
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committer | Ivan Topolnak <itopolnak@despegar.com> | 2014-01-13 17:37:20 -0300 |
commit | 7a10c0ef2a6566229e8571f6d385ca2ff794cc20 (patch) | |
tree | cecd7ce6eb7a71f967eaa1605615780fa94d346c /kamon-core/src/main/scala/akka/instrumentation/ActorMessagePassingTracing.scala | |
parent | 54143e4af6182b967736abc60a7fb20c88dd6587 (diff) | |
download | Kamon-7a10c0ef2a6566229e8571f6d385ca2ff794cc20.tar.gz Kamon-7a10c0ef2a6566229e8571f6d385ca2ff794cc20.tar.bz2 Kamon-7a10c0ef2a6566229e8571f6d385ca2ff794cc20.zip |
integrate trace and metrics into the base project
Diffstat (limited to 'kamon-core/src/main/scala/akka/instrumentation/ActorMessagePassingTracing.scala')
-rw-r--r-- | kamon-core/src/main/scala/akka/instrumentation/ActorMessagePassingTracing.scala | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/akka/instrumentation/ActorMessagePassingTracing.scala b/kamon-core/src/main/scala/akka/instrumentation/ActorMessagePassingTracing.scala new file mode 100644 index 00000000..6cede344 --- /dev/null +++ b/kamon-core/src/main/scala/akka/instrumentation/ActorMessagePassingTracing.scala @@ -0,0 +1,93 @@ +/* =================================================== + * Copyright © 2013 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.instrumentation + +import org.aspectj.lang.annotation._ +import org.aspectj.lang.ProceedingJoinPoint +import akka.actor.{ Cell, Props, ActorSystem, ActorRef } +import akka.dispatch.{ Envelope, MessageDispatcher } +import kamon.trace.{ TraceContext, ContextAware, Trace } +import kamon.metrics.{ HdrActorMetricsRecorder, ActorMetrics } +import kamon.Kamon + +@Aspect("perthis(actorCellCreation(*, *, *, *, *))") +class BehaviourInvokeTracing { + var path: Option[String] = None + var actorMetrics: Option[HdrActorMetricsRecorder] = None + + @Pointcut("execution(akka.actor.ActorCell.new(..)) && args(system, ref, props, dispatcher, parent)") + def actorCellCreation(system: ActorSystem, ref: ActorRef, props: Props, dispatcher: MessageDispatcher, parent: ActorRef): Unit = {} + + @After("actorCellCreation(system, ref, props, dispatcher, parent)") + def afterCreation(system: ActorSystem, ref: ActorRef, props: Props, dispatcher: MessageDispatcher, parent: ActorRef): Unit = { + val metricsExtension = Kamon(ActorMetrics)(system) + val simplePathString = ref.path.elements.mkString("/") + + if (metricsExtension.shouldTrackActor(simplePathString)) { + path = Some(ref.path.toString) + actorMetrics = Some(metricsExtension.registerActor(simplePathString)) + } + } + + @Pointcut("(execution(* akka.actor.ActorCell.invoke(*)) || execution(* akka.routing.RoutedActorCell.sendMessage(*))) && args(envelope)") + def invokingActorBehaviourAtActorCell(envelope: Envelope) = {} + + @Around("invokingActorBehaviourAtActorCell(envelope)") + def aroundBehaviourInvoke(pjp: ProceedingJoinPoint, envelope: Envelope): Unit = { + val timestampBeforeProcessing = System.nanoTime() + val contextAndTimestamp = envelope.asInstanceOf[ContextAndTimestampAware] + + Trace.withContext(contextAndTimestamp.traceContext) { + pjp.proceed() + } + + actorMetrics.map { am ⇒ + am.recordProcessingTime(System.nanoTime() - timestampBeforeProcessing) + am.recordTimeInMailbox(timestampBeforeProcessing - contextAndTimestamp.timestamp) + } + } + + @Pointcut("execution(* akka.actor.ActorCell.stop()) && this(cell)") + def actorStop(cell: Cell): Unit = {} + + @After("actorStop(cell)") + def afterStop(cell: Cell): Unit = { + path.map(p ⇒ Kamon(ActorMetrics)(cell.system).unregisterActor(p)) + } +} + +@Aspect +class EnvelopeTraceContextMixin { + + @DeclareMixin("akka.dispatch.Envelope") + def mixin: ContextAndTimestampAware = new ContextAndTimestampAware { + val traceContext: Option[TraceContext] = Trace.context() + val timestamp: Long = System.nanoTime() + } + + @Pointcut("execution(akka.dispatch.Envelope.new(..)) && this(ctx)") + def envelopeCreation(ctx: ContextAware): Unit = {} + + @After("envelopeCreation(ctx)") + def afterEnvelopeCreation(ctx: ContextAware): Unit = { + // Necessary to force the initialization of ContextAware at the moment of creation. + ctx.traceContext + } +} + +trait ContextAndTimestampAware extends ContextAware { + def timestamp: Long +} |