/*
* 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.clustering.jgroups.subsystem;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import javax.management.MBeanServer;
import org.jboss.as.clustering.jgroups.ChannelFactory;
import org.jboss.as.clustering.jgroups.JChannelFactory;
import org.jboss.as.clustering.jgroups.ProtocolConfiguration;
import org.jboss.as.clustering.jgroups.ProtocolDefaults;
import org.jboss.as.clustering.jgroups.ProtocolStackConfiguration;
import org.jboss.as.clustering.jgroups.TransportConfiguration;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.controller.descriptions.DescriptionProvider;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.network.SocketBinding;
import org.jboss.as.threads.ThreadsServices;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceBuilder.DependencyType;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ValueService;
import org.jboss.msc.value.ImmediateValue;
import org.jboss.msc.value.InjectedValue;
import org.jboss.threads.JBossExecutors;
/**
* @author Paul Ferraro
*/
public class ProtocolStackAdd extends AbstractAddStepHandler implements DescriptionProvider {
static ModelNode createOperation(ModelNode address, ModelNode existing) {
ModelNode operation = Util.getEmptyOperation(ModelDescriptionConstants.ADD, address);
populate(existing, operation);
return operation;
}
private static void populate(ModelNode source, ModelNode target) {
target.get(ModelKeys.TRANSPORT).set(source.require(ModelKeys.TRANSPORT));
if (source.hasDefined(ModelKeys.PROTOCOL)) {
ModelNode protocols = target.get(ModelKeys.PROTOCOL);
for (ModelNode protocol : source.get(ModelKeys.PROTOCOL).asList()) {
protocols.add(protocol);
}
}
}
@Override
public ModelNode getModelDescription(Locale locale) {
return LocalDescriptions.getProtocolStackAddDescription(locale);
}
protected void populateModel(ModelNode operation, ModelNode model) {
populate(operation, model);
}
protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) {
final PathAddress address = PathAddress.pathAddress(operation.get(OP_ADDR));
final String name = address.getLastElement().getValue();
ModelNode transport = operation.get(ModelKeys.TRANSPORT);
Transport transportConfig = new Transport(transport.require(ModelKeys.TYPE).asString());
ProtocolStack stackConfig = new ProtocolStack(name, transportConfig);
ServiceBuilder<ChannelFactory> builder = context.getServiceTarget()
.addService(ChannelFactoryService.getServiceName(name), new ValueService<ChannelFactory>(new ImmediateValue<ChannelFactory>(new JChannelFactory(stackConfig))))
.addDependency(ProtocolDefaultsService.SERVICE_NAME, ProtocolDefaults.class, stackConfig.getDefaultsInjector())
.addDependency(DependencyType.OPTIONAL, ServiceName.JBOSS.append("mbean", "server"), MBeanServer.class, stackConfig.getMBeanServerInjector());
build(builder, transport, transportConfig);
addSocketBindingDependency(builder, transport, ModelKeys.DIAGNOSTICS_SOCKET_BINDING, transportConfig.getDiagnosticsSocketBindingInjector());
addExecutorDependency(builder, transport, ModelKeys.DEFAULT_EXECUTOR, transportConfig.getDefaultExecutorInjector());
addExecutorDependency(builder, transport, ModelKeys.OOB_EXECUTOR, transportConfig.getOOBExecutorInjector());
if (transport.hasDefined(ModelKeys.TIMER_EXECUTOR)) {
builder.addDependency(ThreadsServices.executorName(transport.get(ModelKeys.TIMER_EXECUTOR).asString()), ScheduledExecutorService.class, transportConfig.getTimerExecutorInjector());
}
if (transport.hasDefined(ModelKeys.THREAD_FACTORY)) {
builder.addDependency(ThreadsServices.threadFactoryName(transport.get(ModelKeys.THREAD_FACTORY).asString()), ThreadFactory.class, transportConfig.getThreadFactoryInjector());
}
for (ModelNode protocol : operation.get(ModelKeys.PROTOCOL).asList()) {
Protocol protocolConfig = new Protocol(protocol.require(ModelKeys.TYPE).asString());
build(builder, protocol, protocolConfig);
stackConfig.getProtocols().add(protocolConfig);
}
builder.setInitialMode(ServiceController.Mode.ON_DEMAND);
newControllers.add(builder.install());
}
private void build(ServiceBuilder<ChannelFactory> builder, ModelNode protocol, Protocol protocolConfig) {
this.addSocketBindingDependency(builder, protocol, ModelKeys.SOCKET_BINDING, protocolConfig.getSocketBindingInjector());
Map<String, String> properties = protocolConfig.getProperties();
if (protocol.hasDefined(ModelKeys.PROPERTY)) {
for (Property property : protocol.get(ModelKeys.PROPERTY).asPropertyList()) {
properties.put(property.getName(), property.getValue().asString());
}
}
}
private void addSocketBindingDependency(ServiceBuilder<ChannelFactory> builder, ModelNode model, String key, Injector<SocketBinding> injector) {
if (model.hasDefined(key)) {
builder.addDependency(SocketBinding.JBOSS_BINDING_NAME.append(model.get(key).asString()), SocketBinding.class, injector);
}
}
private void addExecutorDependency(ServiceBuilder<ChannelFactory> builder, ModelNode model, String key, Injector<Executor> injector) {
if (model.hasDefined(key)) {
builder.addDependency(ThreadsServices.executorName(model.get(key).asString()), Executor.class, injector);
}
}
protected boolean requiresRuntimeVerification() {
return false;
}
static class ProtocolStack implements ProtocolStackConfiguration {
private final InjectedValue<ProtocolDefaults> defaults = new InjectedValue<ProtocolDefaults>();
private final InjectedValue<MBeanServer> mbeanServer = new InjectedValue<MBeanServer>();
private final String name;
private final TransportConfiguration transport;
private final List<ProtocolConfiguration> protocols = new LinkedList<ProtocolConfiguration>();
ProtocolStack(String name, TransportConfiguration transport) {
this.name = name;
this.transport = transport;
}
Injector<ProtocolDefaults> getDefaultsInjector() {
return this.defaults;
}
Injector<MBeanServer> getMBeanServerInjector() {
return this.mbeanServer;
}
@Override
public TransportConfiguration getTransport() {
return this.transport;
}
@Override
public List<ProtocolConfiguration> getProtocols() {
return this.protocols;
}
@Override
public String getName() {
return this.name;
}
@Override
public ProtocolDefaults getDefaults() {
return this.defaults.getValue();
}
@Override
public MBeanServer getMBeanServer() {
return this.mbeanServer.getOptionalValue();
}
}
static class Transport extends Protocol implements TransportConfiguration {
private final InjectedValue<SocketBinding> diagnosticsSocketBinding = new InjectedValue<SocketBinding>();
private final InjectedValue<Executor> defaultExecutor = new InjectedValue<Executor>();
private final InjectedValue<Executor> oobExecutor = new InjectedValue<Executor>();
private final InjectedValue<ScheduledExecutorService> timerExecutor = new InjectedValue<ScheduledExecutorService>();
private final InjectedValue<ThreadFactory> threadFactory = new InjectedValue<ThreadFactory>();
private boolean shared = true;
Transport(String name) {
super(name);
}
Injector<SocketBinding> getDiagnosticsSocketBindingInjector() {
return this.diagnosticsSocketBinding;
}
Injector<Executor> getDefaultExecutorInjector() {
return this.defaultExecutor;
}
Injector<Executor> getOOBExecutorInjector() {
return this.oobExecutor;
}
Injector<ScheduledExecutorService> getTimerExecutorInjector() {
return this.timerExecutor;
}
Injector<ThreadFactory> getThreadFactoryInjector() {
return this.threadFactory;
}
void setShared(boolean shared) {
this.shared = shared;
}
@Override
public boolean isShared() {
return this.shared;
}
@Override
public SocketBinding getDiagnosticsSocketBinding() {
return this.diagnosticsSocketBinding.getOptionalValue();
}
@Override
public ExecutorService getDefaultExecutor() {
Executor executor = this.defaultExecutor.getOptionalValue();
return (executor != null) ? JBossExecutors.protectedExecutorService(executor) : null;
}
@Override
public ExecutorService getOOBExecutor() {
Executor executor = this.oobExecutor.getOptionalValue();
return (executor != null) ? JBossExecutors.protectedExecutorService(executor) : null;
}
@Override
public ScheduledExecutorService getTimerExecutor() {
return this.timerExecutor.getOptionalValue();
}
@Override
public ThreadFactory getThreadFactory() {
return this.threadFactory.getOptionalValue();
}
}
static class Protocol implements ProtocolConfiguration {
private final String name;
private final InjectedValue<SocketBinding> socketBinding = new InjectedValue<SocketBinding>();
private final Map<String, String> properties = new HashMap<String, String>();
private final Class<?> protocolClass;
Protocol(String name) {
this.name = name;
try {
this.protocolClass = this.getClass().getClassLoader().loadClass(org.jgroups.conf.ProtocolConfiguration.protocol_prefix + '.' + name);
} catch (ClassNotFoundException e) {
throw new IllegalStateException(e);
}
}
@Override
public String getName() {
return this.name;
}
@Override
public boolean hasProperty(String property) {
return getField(this.protocolClass, property) != null;
}
private static Field getField(Class<?> targetClass, String property) {
try {
return targetClass.getDeclaredField(property);
} catch (NoSuchFieldException e) {
Class<?> superClass = targetClass.getSuperclass();
return (superClass != null) && org.jgroups.stack.Protocol.class.isAssignableFrom(superClass) ? getField(superClass, property) : null;
}
}
@Override
public Map<String, String> getProperties() {
return this.properties;
}
Injector<SocketBinding> getSocketBindingInjector() {
return this.socketBinding;
}
@Override
public SocketBinding getSocketBinding() {
return this.socketBinding.getOptionalValue();
}
}
}