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* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.extension.messaging.activemq.jms;
import static org.jboss.as.server.Services.addServerExecutorDependency;
import static org.jboss.msc.service.ServiceController.Mode.ACTIVE;
import static org.jboss.msc.service.ServiceController.Mode.REMOVE;
import static org.jboss.msc.service.ServiceController.State.REMOVED;
import static org.jboss.msc.service.ServiceController.State.STOPPING;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.artemis.core.security.ActiveMQPrincipal;
import org.apache.activemq.artemis.core.server.ActivateCallback;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.jms.server.JMSServerManager;
import org.apache.activemq.artemis.jms.server.impl.JMSServerManagerImpl;
import org.jboss.msc.service.AbstractServiceListener;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceContainer;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.extension.messaging.activemq.ActiveMQActivationService;
import org.wildfly.extension.messaging.activemq.DefaultCredentials;
import org.wildfly.extension.messaging.activemq.logging.MessagingLogger;
import org.wildfly.security.manager.WildFlySecurityManager;
/**
* The {@code JMSServerManager} service.
*
* @author Emanuel Muckenhuber
*/
public class JMSService implements Service<JMSServerManager> {
private final InjectedValue<ActiveMQServer> activeMQServer = new InjectedValue<>();
private final InjectedValue<ExecutorService> serverExecutor = new InjectedValue<>();
private final ServiceName serverServiceName;
private final boolean overrideInVMSecurity;
private JMSServerManager jmsServer;
public static ServiceController<JMSServerManager> addService(final ServiceTarget target, ServiceName serverServiceName, boolean overrideInVMSecurity) {
final JMSService service = new JMSService(serverServiceName, overrideInVMSecurity);
ServiceBuilder<JMSServerManager> builder = target.addService(JMSServices.getJmsManagerBaseServiceName(serverServiceName), service)
.addDependency(serverServiceName, ActiveMQServer.class, service.activeMQServer)
.setInitialMode(Mode.ACTIVE);
addServerExecutorDependency(builder, service.serverExecutor);
return builder.install();
}
protected JMSService(ServiceName serverServiceName, boolean overrideInVMSecurity) {
this.serverServiceName = serverServiceName;
this.overrideInVMSecurity = overrideInVMSecurity;
}
public synchronized JMSServerManager getValue() throws IllegalStateException {
if (jmsServer == null) {
throw new IllegalStateException();
}
return jmsServer;
}
@Override
public void start(final StartContext context) throws StartException {
final Runnable task = new Runnable() {
@Override
public void run() {
try {
doStart(context);
context.complete();
} catch (StartException e) {
context.failed(e);
}
}
};
try {
serverExecutor.getValue().submit(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
@Override
public void stop(final StopContext context) {
final Runnable task = new Runnable() {
@Override
public void run() {
doStop(context);
context.complete();
}
};
try {
serverExecutor.getValue().submit(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
private synchronized void doStart(final StartContext context) throws StartException {
final ServiceContainer serviceContainer = context.getController().getServiceContainer();
ClassLoader oldTccl = WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(getClass());
try {
jmsServer = new JMSServerManagerImpl(activeMQServer.getValue(), new WildFlyBindingRegistry(context.getController().getServiceContainer()));
activeMQServer.getValue().registerActivationFailureListener(e -> {
StartException se = new StartException(e);
context.failed(se);
});
activeMQServer.getValue().registerActivateCallback(new ActivateCallback() {
private volatile ServiceController<Void> activeMQActivationController;
public void preActivate() {
}
public void activated() {
if (overrideInVMSecurity) {
activeMQServer.getValue().getRemotingService().allowInvmSecurityOverride(new ActiveMQPrincipal(DefaultCredentials.getUsername(), DefaultCredentials.getPassword()));
}
// ActiveMQ only provides a callback to be notified when ActiveMQ core server is activated.
// but the JMS service start must not be completed until the JMSServerManager wrappee is indeed started (and has deployed the JMS resources, etc.).
// It is possible that the activation service has already been installed but becomes passive when a backup server has failed over (-> ACTIVE) and failed back (-> PASSIVE)
// [WFLY-6178] check if the service container is shutdown to avoid an IllegalStateException if an
// ActiveMQ backup server is activated during failover while the WildFly server is shutting down.
if (serviceContainer.isShutdown()) {
return;
}
if (activeMQActivationController == null) {
activeMQActivationController = serviceContainer.addService(ActiveMQActivationService.getServiceName(serverServiceName), new ActiveMQActivationService())
.setInitialMode(Mode.ACTIVE)
.install();
} else {
activeMQActivationController.setMode(ACTIVE);
}
}
@Override
public void activationComplete() {
}
public void deActivate() {
// passivate the activation service only if the ActiveMQ server is deactivated when it fails back
// and *not* during AS7 service container shutdown or reload (AS7-6840 / AS7-6881)
if (activeMQActivationController != null) {
if (!activeMQActivationController.getState().in(STOPPING, REMOVED)) {
// [WFLY-4597] When Artemis is deactivated during failover, we block until its
// activation controller is REMOVED before giving back control to Artemis.
// This allow to properly stop any service depending on the activation controller
// and avoid spurious warning messages because the resources used by the services
// are stopped outside the control of the services.
final CountDownLatch latch = new CountDownLatch(1);
activeMQActivationController.compareAndSetMode(ACTIVE, REMOVE);
activeMQActivationController.addListener(new AbstractServiceListener<Void>() {
@Override
public void transition(ServiceController<? extends Void> controller, ServiceController.Transition transition) {
if (transition.enters(REMOVED)) {
latch.countDown();
}
}
});
try {
latch.await(5, TimeUnit.SECONDS);
} catch (InterruptedException e) {
}
activeMQActivationController = null;
}
}
}
});
jmsServer.start();
} catch(StartException e){
throw e;
} catch (Throwable t) {
throw new StartException(t);
} finally {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(oldTccl);
}
}
private synchronized void doStop(StopContext context) {
try {
jmsServer.stop();
jmsServer = null;
} catch (Exception e) {
MessagingLogger.ROOT_LOGGER.errorStoppingJmsServer(e);
}
}
}