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-rw-r--r--kamon-akka/src/main/scala/kamon/instrumentation/akka/DispatcherInstrumentation.scala164
1 files changed, 0 insertions, 164 deletions
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)
- }
- }
-}