/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.jboss.as.jacorb.service;
import java.net.InetSocketAddress;
import java.util.Properties;
import org.jboss.as.jacorb.JacORBLogger;
import org.jboss.as.jacorb.JacORBSubsystemConstants;
import org.jboss.as.jacorb.naming.jndi.CorbaUtils;
import org.jboss.as.network.SocketBinding;
import org.jboss.as.server.CurrentServiceContainer;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.Service;
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.omg.CORBA.ORB;
/**
* <p>
* This class implements a {@code Service} that creates and installs a CORBA {@code ORB}.
* </p>
*
* @author <a href="mailto:sguilhen@redhat.com">Stefan Guilhen</a>
*/
public class CorbaORBService implements Service<ORB> {
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("jacorb", "orb-service");
private static final Properties properties = new Properties();
private final InjectedValue<SocketBinding> jacORBSocketBindingInjector = new InjectedValue<SocketBinding>();
private final InjectedValue<SocketBinding> jacORBSSLSocketBindingInjector = new InjectedValue<SocketBinding>();
private volatile ORB orb;
/**
* <p>
* Creates an instance of {@code CorbaORBService} with the specified {@code ORBImplementation} and initializers.
* </p>
*
* @param props a {@code Properties} instance containing the JacORB subsystem configuration properties.
*/
public CorbaORBService(Properties props) {
if (props != null) {
properties.putAll(props);
}
}
@Override
public void start(StartContext context) throws StartException {
JacORBLogger.ROOT_LOGGER.debugServiceStartup(context.getController().getName().getCanonicalName());
try {
// set the ORBClass and ORBSingleton class as system properties.
properties.setProperty(JacORBSubsystemConstants.ORB_CLASS, JacORBSubsystemConstants.JACORB_ORB_CLASS);
properties.setProperty(JacORBSubsystemConstants.ORB_SINGLETON_CLASS, JacORBSubsystemConstants.JacORB_ORB_SINGLETON_CLASS);
SecurityActions.setSystemProperty(JacORBSubsystemConstants.ORB_CLASS, JacORBSubsystemConstants.JACORB_ORB_CLASS);
SecurityActions.setSystemProperty(JacORBSubsystemConstants.ORB_SINGLETON_CLASS, JacORBSubsystemConstants.JacORB_ORB_SINGLETON_CLASS);
// set the JacORB IIOP and IIOP/SSL ports from the respective socket bindings.
if (this.jacORBSocketBindingInjector.getValue() != null) {
InetSocketAddress address = this.jacORBSocketBindingInjector.getValue().getSocketAddress();
properties.setProperty(JacORBSubsystemConstants.ORB_ADDRESS, address.getHostName());
properties.setProperty(JacORBSubsystemConstants.ORB_PORT, String.valueOf(address.getPort()));
}
if (this.jacORBSSLSocketBindingInjector.getValue() != null) {
InetSocketAddress address = this.jacORBSSLSocketBindingInjector.getValue().getSocketAddress();
properties.setProperty(JacORBSubsystemConstants.ORB_SSL_PORT, String.valueOf(address.getPort()));
if (!properties.containsKey(JacORBSubsystemConstants.ORB_ADDRESS)) {
properties.setProperty(JacORBSubsystemConstants.ORB_ADDRESS, address.getHostName());
}
}
// configure the naming service initial reference.
String rootContext = properties.getProperty(JacORBSubsystemConstants.NAMING_ROOT_CONTEXT);
String host = properties.getProperty(JacORBSubsystemConstants.ORB_ADDRESS);
String port = properties.getProperty(JacORBSubsystemConstants.ORB_PORT);
properties.setProperty(JacORBSubsystemConstants.JACORB_NAME_SERVICE_INIT_REF,
"corbaloc::" + host + ":" + port + "/" + rootContext);
// export the naming service corbaloc if necessary.
String exportCorbalocProperty = properties.getProperty(JacORBSubsystemConstants.NAMING_EXPORT_CORBALOC, "on");
if (exportCorbalocProperty.equalsIgnoreCase("on")) {
properties.setProperty(JacORBSubsystemConstants.JACORB_NAME_SERVICE_MAP_KEY, rootContext);
}
// initialize the ORB - the thread context classloader needs to be adjusted as the ORB classes are loaded via reflection.
ClassLoader loader = SecurityActions.getThreadContextClassLoader();
try {
SecurityActions.setThreadContextClassLoader(SecurityActions.getClassLoader(this.getClass()));
this.orb = ORB.init(new String[0], properties);
// initialize the ORBSingleton.
ORB.init();
} finally {
// restore the thread context classloader.
SecurityActions.setThreadContextClassLoader(loader);
}
// start the ORB in a separate thread.
Thread orbThread = SecurityActions.createThread(new ORBRunner(this.orb), "ORB Run Thread");
orbThread.start();
// bind the ORB to JNDI under java:/jboss/ORB.
ServiceTarget target = context.getChildTarget();
CorbaServiceUtil.bindObject(target, "ORB", this.orb);
} catch (Exception e) {
throw new StartException(e);
}
CorbaUtils.setOrbProperties(properties);
JacORBLogger.ROOT_LOGGER.corbaORBServiceStarted();
}
@Override
public void stop(StopContext context) {
JacORBLogger.ROOT_LOGGER.debugServiceStop(context.getController().getName().getCanonicalName());
// stop the ORB asynchronously.
context.asynchronous();
Thread destroyThread = SecurityActions.createThread(new ORBDestroyer(this.orb, context), "ORB Destroy Thread");
destroyThread.start();
}
@Override
public ORB getValue() throws IllegalStateException, IllegalArgumentException {
return this.orb;
}
/**
* <p>
* Obtains a reference to the JacORB IIOP socket binding injector. This injector is used to inject a {@code ServiceBinding}
* containing the IIOP socket properties.
* </p>
*
* @return a reference to the {@code Injector<SocketBinding>} used to inject the JacORB IIOP socket properties.
*/
public Injector<SocketBinding> getJacORBSocketBindingInjector() {
return this.jacORBSocketBindingInjector;
}
/**
* <p>
* Obtains a reference to the JacORB IIOP/SSL socket binding injector. This injector is used to inject a
* {@code ServiceBinding} containing the IIOP/SSL socket properties.
* </p>
*
* @return a reference to the {@code Injector<SocketBinding>} used to inject the JacORB IIOP/SSL socket properties.
*/
public Injector<SocketBinding> getJacORBSSLSocketBindingInjector() {
return this.jacORBSSLSocketBindingInjector;
}
/**
* <p>
* Gets the value of the specified ORB property. All ORB properties can be queried using this method. This includes
* the properties that have been explicitly set by this service prior to creating the ORB and all JacORB properties
* that have been specified in the JacORB subsystem configuration.
* </p>
*
* @param key the property key.
* @return the property value or {@code null} if the property with the specified key hasn't been configured.
*/
public static String getORBProperty(String key) {
return properties.getProperty(key);
}
public static ORB getCurrent() {
return (ORB) CurrentServiceContainer.getServiceContainer().getRequiredService(SERVICE_NAME).getValue();
}
/**
* <p>
* The {@code ORBRunner} calls the blocking {@code run()} method on the specified {@code ORB} instance and is used
* to start the {@code ORB} in a dedicated thread.
* </p>
*/
private class ORBRunner implements Runnable {
private ORB orb;
public ORBRunner(ORB orb) {
this.orb = orb;
}
@Override
public void run() {
this.orb.run();
}
}
/**
* <p>
* The {@code ORBDestroyer} is responsible for destroying the specified {@code ORB} instance without blocking the
* thread that called {@code stop} on {@code CorbaORBService}.
* </p>
*/
private class ORBDestroyer implements Runnable {
private ORB orb;
private StopContext context;
public ORBDestroyer(ORB orb, StopContext context) {
this.orb = orb;
this.context = context;
}
@Override
public void run() {
// orb.destroy blocks until the ORB has shutdown. We must signal the context when the process is complete.
try {
CorbaUtils.setOrbProperties(null);
this.orb.destroy();
} finally {
this.context.complete();
}
}
}
}