/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, 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.iiop.openjdk.service;
import java.net.InetSocketAddress;
import java.security.AccessController;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.RejectedExecutionException;
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.ServiceContainer;
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;
import org.wildfly.iiop.openjdk.Constants;
import org.wildfly.iiop.openjdk.IIOPExtension;
import org.wildfly.iiop.openjdk.csiv2.CSIV2IORToSocketInfo;
import org.wildfly.iiop.openjdk.logging.IIOPLogger;
import org.wildfly.iiop.openjdk.naming.jndi.CorbaUtils;
import org.wildfly.security.manager.WildFlySecurityManager;
import com.sun.corba.se.impl.orb.ORBImpl;
import com.sun.corba.se.impl.orb.ORBSingleton;
import com.sun.corba.se.impl.orbutil.ORBConstants;
/**
* <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>
* @author <a href="mailto:tadamski@redhat.com">Tomasz Adamski</a>
*/
public class CorbaORBService implements Service<ORB> {
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append(IIOPExtension.SUBSYSTEM_NAME, "orb-service");
private static final Properties properties = new Properties();
private final InjectedValue<ExecutorService> executorInjector = new InjectedValue<ExecutorService>();
private final InjectedValue<SocketBinding> iiopSocketBindingInjector = new InjectedValue<SocketBinding>();
private final InjectedValue<SocketBinding> iiopSSLSocketBindingInjector = 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 IIOP subsystem configuration properties.
*/
public CorbaORBService(Properties props) {
if (props != null) {
properties.putAll(props);
}
}
@Override
public void start(StartContext context) throws StartException {
if (IIOPLogger.ROOT_LOGGER.isDebugEnabled()) {
IIOPLogger.ROOT_LOGGER.debugf("Starting service %s", context.getController().getName().getCanonicalName());
}
try {
// set the ORBClass and ORBSingleton class as system properties.
properties.setProperty(Constants.ORB_CLASS, ORBImpl.class.getName());
properties.setProperty(Constants.ORB_SINGLETON_CLASS, ORBSingleton.class.getName());
WildFlySecurityManager.setPropertyPrivileged(Constants.ORB_CLASS, ORBImpl.class.getName());
WildFlySecurityManager.setPropertyPrivileged(Constants.ORB_SINGLETON_CLASS, ORBSingleton.class.getName());
properties.setProperty(ORBConstants.IOR_TO_SOCKET_INFO_CLASS_PROPERTY, CSIV2IORToSocketInfo.class.getName());
// set the IIOP and IIOP/SSL ports from the respective socket bindings.
if (this.iiopSocketBindingInjector.getValue()!= null) {
InetSocketAddress address = this.iiopSocketBindingInjector.getValue().getSocketAddress();
properties.setProperty(ORBConstants.SERVER_HOST_PROPERTY, address.getAddress().getHostAddress());
properties.setProperty(ORBConstants.SERVER_PORT_PROPERTY, String.valueOf(address.getPort()));
properties.setProperty(ORBConstants.PERSISTENT_SERVER_PORT_PROPERTY, String.valueOf(address.getPort()));
}
if (this.iiopSSLSocketBindingInjector.getOptionalValue() != null) {
InetSocketAddress address = this.iiopSSLSocketBindingInjector.getValue().getSocketAddress();
properties.setProperty(Constants.ORB_SSL_PORT, String.valueOf(address.getPort()));
final String sslSocket = new StringBuilder().append(Constants.SSL_SOCKET_TYPE).append(':')
.append(String.valueOf(address.getPort())).toString();
properties.setProperty(ORBConstants.LISTEN_SOCKET_PROPERTY, sslSocket);
if (!properties.containsKey(Constants.ORB_ADDRESS)) {
properties.setProperty(Constants.ORB_ADDRESS, address.getAddress().getHostAddress());
}
}
// initialize the ORB - the thread context classloader needs to be adjusted as the ORB classes are loaded via reflection.
ClassLoader loader = WildFlySecurityManager.getCurrentContextClassLoaderPrivileged();
try {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(WildFlySecurityManager.getClassLoaderPrivileged(this.getClass()));
this.orb = ORB.init(new String[0], properties);
// initialize the ORBSingleton.
ORB.init();
} finally {
// restore the thread context classloader.
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(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);
IIOPLogger.ROOT_LOGGER.corbaORBServiceStarted();
}
@Override
public void stop(StopContext context) {
if (IIOPLogger.ROOT_LOGGER.isDebugEnabled()) {
IIOPLogger.ROOT_LOGGER.debugf("Stopping service %s", context.getController().getName().getCanonicalName());
}
// stop the ORB asynchronously.
final ORBDestroyer destroyer = new ORBDestroyer(this.orb, context);
try {
executorInjector.getValue().execute(destroyer);
} catch (RejectedExecutionException e) {
destroyer.run();
} finally {
context.asynchronous();
}
}
@Override
public ORB getValue() throws IllegalStateException, IllegalArgumentException {
return this.orb;
}
/**
* <p>
* Obtains a reference to the 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 IIOP socket properties.
*/
public Injector<SocketBinding> getIIOPSocketBindingInjector() {
return this.iiopSocketBindingInjector;
}
/**
* <p>
* Obtains a reference to the 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 IIOP/SSL socket properties.
*/
public Injector<SocketBinding> getIIOPSSLSocketBindingInjector() {
return this.iiopSSLSocketBindingInjector;
}
/**
* <p>
* Obtains a reference to the executor service injector. This injector is used to inject a
* {@link ExecutorService} for use in blocking tasks during startup or shutdown.
* </p>
*
* @return a reference to the {@code Injector<Executor>} used to inject the executor service.
*/
public InjectedValue<ExecutorService> getExecutorInjector() {
return executorInjector;
}
/**
* <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 IIOP properties
* that have been specified in the IIOP 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().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();
}
}
}
private static ServiceContainer currentServiceContainer() {
if(System.getSecurityManager() == null) {
return CurrentServiceContainer.getServiceContainer();
}
return AccessController.doPrivileged(CurrentServiceContainer.GET_ACTION);
}
}