/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.clustering.jgroups.subsystem;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
import org.jboss.as.clustering.jgroups.ChannelFactory;
import org.jboss.as.clustering.msc.ServiceContainerHelper;
import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
import org.jgroups.Channel;
import org.jgroups.stack.Protocol;
import org.jgroups.stack.ProtocolStack;
/**
* Implements /subsystem=jgroups/stack=X/export-native-configuration() operation.
*
* @author Richard Achmatowicz (c) 2011 Red Hat Inc.
*/
public class ExportNativeConfiguration extends AbstractRuntimeOnlyHandler {
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
PathAddress stackAddress = PathAddress.pathAddress(operation.get(OP_ADDR));
String stackName = stackAddress.getLastElement().getValue();
ServiceRegistry registry = context.getServiceRegistry(false);
ServiceName serviceName = ChannelFactoryService.getServiceName(stackName);
try {
ServiceController<?> controller = registry.getRequiredService(serviceName);
controller.setMode(ServiceController.Mode.ACTIVE);
try {
ChannelFactory factory = ServiceContainerHelper.getValue(controller, ChannelFactory.class);
// Create a temporary channel, but don't connect it
Channel channel = factory.createChannel(UUID.randomUUID().toString());
try {
// ProtocolStack.printProtocolSpecAsXML() is very hacky and only works on an uninitialized stack
List<Protocol> protocols = channel.getProtocolStack().getProtocols();
Collections.reverse(protocols);
ProtocolStack stack = new ProtocolStack();
stack.addProtocols(protocols);
context.getResult().set(stack.printProtocolSpecAsXML());
context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
} finally {
channel.close();
}
} finally {
controller.setMode(ServiceController.Mode.ON_DEMAND);
}
} catch (Exception e) {
throw new OperationFailedException(e.getLocalizedMessage(), e);
}
}
}