+++ /dev/null
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.controller.common.actor;
-
-import akka.actor.ActorPath;
-import akka.actor.ActorRef;
-import akka.actor.ActorSystem;
-import akka.dispatch.BoundedDequeBasedMailbox;
-import akka.dispatch.MailboxType;
-import akka.dispatch.ProducesMessageQueue;
-import com.codahale.metrics.Gauge;
-import com.codahale.metrics.MetricRegistry;
-import com.google.common.base.Preconditions;
-import com.typesafe.config.Config;
-import org.opendaylight.controller.common.reporting.MetricsReporter;
-import scala.concurrent.duration.FiniteDuration;
-
-import java.util.concurrent.TimeUnit;
-
-public class MeteredBoundedMailbox implements MailboxType, ProducesMessageQueue<MeteredBoundedMailbox.MeteredMessageQueue> {
-
- private MeteredMessageQueue queue;
- private Integer capacity;
- private FiniteDuration pushTimeOut;
- private ActorPath actorPath;
- private MetricsReporter reporter;
-
- private final String QUEUE_SIZE = "queue-size";
- private final String CAPACITY = "mailbox-capacity";
- private final String TIMEOUT = "mailbox-push-timeout-time";
- private final Long DEFAULT_TIMEOUT = 10L;
-
- public MeteredBoundedMailbox(ActorSystem.Settings settings, Config config) {
- Preconditions.checkArgument( config.hasPath("mailbox-capacity"), "Missing configuration [mailbox-capacity]" );
- this.capacity = config.getInt(CAPACITY);
- Preconditions.checkArgument( this.capacity > 0, "mailbox-capacity must be > 0");
-
- Long timeout = -1L;
- if ( config.hasPath(TIMEOUT) ){
- timeout = config.getDuration(TIMEOUT, TimeUnit.NANOSECONDS);
- } else {
- timeout = DEFAULT_TIMEOUT;
- }
- Preconditions.checkArgument( timeout > 0, "mailbox-push-timeout-time must be > 0");
- this.pushTimeOut = new FiniteDuration(timeout, TimeUnit.NANOSECONDS);
-
- reporter = MetricsReporter.getInstance();
- }
-
-
- @Override
- public MeteredMessageQueue create(final scala.Option<ActorRef> owner, scala.Option<ActorSystem> system) {
- this.queue = new MeteredMessageQueue(this.capacity, this.pushTimeOut);
- monitorQueueSize(owner, this.queue);
- return this.queue;
- }
-
- private void monitorQueueSize(scala.Option<ActorRef> owner, final MeteredMessageQueue monitoredQueue) {
- if (owner.isEmpty()) {
- return; //there's no actor to monitor
- }
- actorPath = owner.get().path();
- String actorInstanceId = Integer.toString(owner.get().hashCode());
-
- MetricRegistry registry = reporter.getMetricsRegistry();
- String actorName = registry.name(actorPath.toString(), actorInstanceId, QUEUE_SIZE);
-
- if (registry.getMetrics().containsKey(actorName))
- return; //already registered
-
- registry.register(actorName,
- new Gauge<Integer>() {
- @Override
- public Integer getValue() {
- return monitoredQueue.size();
- }
- });
- }
-
-
- public static class MeteredMessageQueue extends BoundedDequeBasedMailbox.MessageQueue {
-
- public MeteredMessageQueue(int capacity, FiniteDuration pushTimeOut) {
- super(capacity, pushTimeOut);
- }
- }
-
-}
-