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/*
* 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.server;
import java.lang.management.ManagementFactory;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.management.ObjectName;
import org.jboss.as.controller.ControlledProcessState;
import org.jboss.as.controller.ControlledProcessStateService;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoadException;
import org.jboss.modules.ModuleLoader;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceActivator;
import org.jboss.msc.service.ServiceContainer;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StabilityMonitor;
import org.jboss.threads.AsyncFuture;
import org.jboss.threads.AsyncFutureTask;
import org.jboss.threads.JBossExecutors;
import org.wildfly.security.manager.WildFlySecurityManager;
/**
* The bootstrap implementation.
*
* @author David M. Lloyd
*/
final class BootstrapImpl implements Bootstrap {
private static final int MAX_THREADS = ServerEnvironment.getBootstrapMaxThreads();
private final ShutdownHook shutdownHook;
private final ServiceContainer container;
public BootstrapImpl() {
this.shutdownHook = new ShutdownHook();
this.container = shutdownHook.register();
}
@Override
public AsyncFuture bootstrap(final Configuration configuration, final List extraServices) {
try {
final Object value = ManagementFactory.getPlatformMBeanServer().getAttribute(new ObjectName("java.lang", "type", "OperatingSystem"), "MaxFileDescriptorCount");
final long fdCount = Long.valueOf(value.toString()).longValue();
if (fdCount < 4096L) {
ServerLogger.FD_LIMIT_LOGGER.fdTooLow(fdCount);
}
} catch (Throwable ignored) {}
assert configuration != null : "configuration is null";
// AS7-6381 set this property so we can get it out of the launch scripts
String resolverWarning = WildFlySecurityManager.getPropertyPrivileged("org.jboss.resolver.warning", null);
if (resolverWarning == null) {
WildFlySecurityManager.setPropertyPrivileged("org.jboss.resolver.warning", "true");
}
final ModuleLoader moduleLoader = configuration.getModuleLoader();
final Bootstrap.ConfigurationPersisterFactory configurationPersisterFactory = configuration.getConfigurationPersisterFactory();
assert configurationPersisterFactory != null : "configurationPersisterFactory is null";
try {
Module.registerURLStreamHandlerFactoryModule(moduleLoader.loadModule(ModuleIdentifier.create("org.jboss.vfs")));
} catch (ModuleLoadException e) {
throw ServerMessages.MESSAGES.vfsNotAvailable();
}
final FutureServiceContainer future = new FutureServiceContainer(container);
final ServiceTarget tracker = container.subTarget();
final ControlledProcessState processState = new ControlledProcessState(configuration.getServerEnvironment().isStandalone());
shutdownHook.setControlledProcessState(processState);
ControlledProcessStateService.addService(tracker, processState);
final Service applicationServerService = new ApplicationServerService(extraServices, configuration, processState);
tracker.addService(Services.JBOSS_AS, applicationServerService)
.install();
final ServiceController rootService = container.getRequiredService(Services.JBOSS_AS);
final StabilityMonitor monitor = new StabilityMonitor();
monitor.addController(rootService);
try {
monitor.awaitStability();
} catch (final InterruptedException e) {
future.failed(e);
} finally {
monitor.removeController(rootService);
}
switch (rootService.getState()) {
case UP: {
final ServiceController controllerServiceController = rootService.getServiceContainer().getRequiredService(Services.JBOSS_SERVER_CONTROLLER);
monitor.addController(controllerServiceController);
try {
monitor.awaitStability();
} catch (final InterruptedException e) {
future.failed(e);
} finally {
monitor.removeController(controllerServiceController);
}
switch (controllerServiceController.getState()) {
case UP: {
future.done();
break;
}
case START_FAILED: {
future.failed(controllerServiceController.getStartException());
break;
}
case REMOVED: {
future.failed(ServerMessages.MESSAGES.serverControllerServiceRemoved());
break;
}
}
break;
}
case START_FAILED: {
future.failed(rootService.getStartException());
break;
}
case REMOVED: {
future.failed(ServerMessages.MESSAGES.rootServiceRemoved());
break;
}
}
return future;
}
@Override
@SuppressWarnings("unchecked")
public AsyncFuture startup(Configuration configuration, List extraServices) {
try {
ServiceContainer container = bootstrap(configuration, extraServices).get();
ServiceController controller = container.getRequiredService(Services.JBOSS_AS);
return (AsyncFuture) controller.getValue();
} catch (Exception ex) {
throw ServerMessages.MESSAGES.cannotStartServer(ex);
}
}
static class FutureServiceContainer extends AsyncFutureTask {
private final ServiceContainer container;
FutureServiceContainer(final ServiceContainer container) {
super(JBossExecutors.directExecutor());
this.container = container;
}
@Override
public void asyncCancel(final boolean interruptionDesired) {
container.shutdown();
container.addTerminateListener(new ServiceContainer.TerminateListener() {
@Override
public void handleTermination(final Info info) {
setCancelled();
}
});
}
void done() {
setResult(container);
}
void failed(Throwable t) {
setFailed(t);
}
}
private static class ShutdownHook extends Thread {
private boolean down;
private ControlledProcessState processState;
private ServiceContainer container;
private ServiceContainer register() {
Runtime.getRuntime().addShutdownHook(this);
synchronized (this) {
if (!down) {
container = ServiceContainer.Factory.create("jboss-as", MAX_THREADS, 30, TimeUnit.SECONDS, false);
return container;
} else {
throw new IllegalStateException();
}
}
}
private synchronized void setControlledProcessState(final ControlledProcessState ps) {
this.processState = ps;
}
@Override
public void run() {
final ServiceContainer sc;
final ControlledProcessState ps;
synchronized (this) {
down = true;
sc = container;
ps = processState;
}
try {
if (ps != null) {
ps.setStopping();
}
} finally {
if (sc != null) {
final CountDownLatch latch = new CountDownLatch(1);
sc.addTerminateListener(new ServiceContainer.TerminateListener() {
@Override
public void handleTermination(Info info) {
latch.countDown();
}
});
sc.shutdown();
// wait for all services to finish.
for (;;) {
try {
latch.await();
break;
} catch (InterruptedException e) {
}
}
}
}
}
}
}
