/*
* Copyright (c) 2015 Brocade Communications 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.config.yang.config.actor_system_provider.impl;
import akka.actor.ActorSystem;
import akka.actor.Props;
import akka.osgi.BundleDelegatingClassLoader;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.concurrent.TimeUnit;
import org.opendaylight.controller.cluster.ActorSystemProvider;
import org.opendaylight.controller.cluster.ActorSystemProviderListener;
import org.opendaylight.controller.cluster.common.actor.AkkaConfigurationReader;
import org.opendaylight.controller.cluster.common.actor.FileAkkaConfigurationReader;
import org.opendaylight.controller.cluster.common.actor.QuarantinedMonitorActor;
import org.opendaylight.controller.cluster.datastore.TerminationMonitor;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.util.ListenerRegistry;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import scala.concurrent.Await;
import scala.concurrent.duration.Duration;
public class ActorSystemProviderImpl implements ActorSystemProvider, AutoCloseable {
private static final String ACTOR_SYSTEM_NAME = "opendaylight-cluster-data";
private static final String CONFIGURATION_NAME = "odl-cluster-data";
static final Logger LOG = LoggerFactory.getLogger(ActorSystemProviderImpl.class);
private final ActorSystem actorSystem;
private final ListenerRegistry<ActorSystemProviderListener> listeners = new ListenerRegistry<>();
public ActorSystemProviderImpl(final BundleContext bundleContext) {
LOG.info("Creating new ActorSystem");
final Bundle bundle = bundleContext.getBundle();
final BundleDelegatingClassLoader classLoader = AccessController.doPrivileged(
(PrivilegedAction<BundleDelegatingClassLoader>) () ->
new BundleDelegatingClassLoader(bundle, Thread.currentThread().getContextClassLoader()));
final AkkaConfigurationReader configurationReader = new FileAkkaConfigurationReader();
final Config akkaConfig = ConfigFactory.load(configurationReader.read()).getConfig(CONFIGURATION_NAME);
actorSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, akkaConfig, classLoader);
actorSystem.actorOf(Props.create(TerminationMonitor.class), TerminationMonitor.ADDRESS);
actorSystem.actorOf(QuarantinedMonitorActor.props(() -> {
// restart the entire karaf container
LOG.warn("Restarting karaf container");
System.setProperty("karaf.restart", "true");
bundleContext.getBundle(0).stop();
}), QuarantinedMonitorActor.ADDRESS);
}
@Override
public ActorSystem getActorSystem() {
return actorSystem;
}
@Override
public ListenerRegistration<ActorSystemProviderListener> registerActorSystemProviderListener(
final ActorSystemProviderListener listener) {
return listeners.register(listener);
}
@Override
@SuppressWarnings("checkstyle:IllegalCatch")
public void close() {
LOG.info("Shutting down ActorSystem");
try {
Await.result(actorSystem.terminate(), Duration.create(10, TimeUnit.SECONDS));
} catch (Exception e) {
LOG.warn("Error awaiting actor termination", e);
}
}
}