/*
* 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.wildfly.extension.messaging.activemq;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import org.apache.activemq.artemis.api.core.management.ActiveMQServerControl;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.jboss.as.controller.AbstractWriteAttributeHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ImmutableManagementResourceRegistration;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
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.wildfly.extension.messaging.activemq.logging.MessagingLogger;
/**
* Write attribute handler for attributes that update ActiveMQServerControl.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class ActiveMQServerControlWriteHandler extends AbstractWriteAttributeHandler<Void> {
public static final ActiveMQServerControlWriteHandler INSTANCE = new ActiveMQServerControlWriteHandler();
private ActiveMQServerControlWriteHandler() {
super(ServerDefinition.ATTRIBUTES);
}
public void registerAttributes(final ManagementResourceRegistration registry, boolean registerRuntimeOnly) {
for (AttributeDefinition attr : ServerDefinition.ATTRIBUTES) {
if (registerRuntimeOnly || !attr.getFlags().contains(AttributeAccess.Flag.STORAGE_RUNTIME)) {
registry.registerReadWriteAttribute(attr, null, this);
}
}
}
@Override
protected boolean applyUpdateToRuntime(final OperationContext context, final ModelNode operation, final String attributeName,
final ModelNode newValue, final ModelNode currentValue,
final HandbackHolder<Void> handbackHolder) throws OperationFailedException {
AttributeDefinition attr = getAttributeDefinition(attributeName);
if (attr.getFlags().contains(AttributeAccess.Flag.RESTART_ALL_SERVICES)) {
// Restart required
return true;
} else {
ServiceRegistry registry = context.getServiceRegistry(true);
final ServiceName serviceName = MessagingServices.getActiveMQServiceName(PathAddress.pathAddress(operation.get(OP_ADDR)));
ServiceController<?> service = registry.getService(serviceName);
if (service == null) {
// The service isn't installed, so the work done in the Stage.MODEL part is all there is to it
return false;
} else if (service.getState() != ServiceController.State.UP) {
// Service is installed but not up?
//throw new IllegalStateException(String.format("Cannot apply attribute %s to runtime; service %s is not in state %s, it is in state %s",
// attributeName, MessagingServices.JBOSS_MESSAGING, ServiceController.State.UP, service.getState()));
// No, don't barf; just let the update apply to the model and put the server in a reload-required state
return true;
} else {
if (!ActiveMQActivationService.isActiveMQServerActive(context, operation)) {
return false;
}
applyOperationToActiveMQService(operation, attributeName, newValue, service);
return false;
}
}
}
@Override
protected void revertUpdateToRuntime(final OperationContext context, final ModelNode operation,
final String attributeName, final ModelNode valueToRestore,
final ModelNode valueToRevert,
final Void handback) throws OperationFailedException {
AttributeDefinition attr = getAttributeDefinition(attributeName);
if (!attr.getFlags().contains(AttributeAccess.Flag.RESTART_ALL_SERVICES)) {
ServiceRegistry registry = context.getServiceRegistry(true);
final ServiceName serviceName = MessagingServices.getActiveMQServiceName(PathAddress.pathAddress(operation.get(OP_ADDR)));
ServiceController<?> service = registry.getService(serviceName);
if (service != null && service.getState() == ServiceController.State.UP) {
applyOperationToActiveMQService(operation, attributeName, valueToRestore, service);
}
}
}
private void applyOperationToActiveMQService(ModelNode operation, String attributeName, ModelNode newValue, ServiceController<?> activeMQServiceController) {
ActiveMQServerControl serverControl = ActiveMQServer.class.cast(activeMQServiceController.getValue()).getActiveMQServerControl();
if (serverControl == null) {
PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
throw ControllerLogger.ROOT_LOGGER.managementResourceNotFound(address);
}
try {
if (attributeName.equals(ServerDefinition.MESSAGE_COUNTER_SAMPLE_PERIOD.getName())) {
serverControl.setMessageCounterSamplePeriod(newValue.asLong());
} else if (attributeName.equals(ServerDefinition.MESSAGE_COUNTER_MAX_DAY_HISTORY.getName())) {
serverControl.setMessageCounterMaxDayCount(newValue.asInt());
} else if (attributeName.equals(ServerDefinition.STATISTICS_ENABLED.getName())) {
if (newValue.asBoolean()) {
serverControl.enableMessageCounters();
} else {
serverControl.disableMessageCounters();
}
} else {
// Bug! Someone added the attribute to the set but did not implement
throw MessagingLogger.ROOT_LOGGER.unsupportedRuntimeAttribute(attributeName);
}
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private static class MessageCounterEnabledHandler implements OperationStepHandler {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
ModelNode aliased = getAliasedOperation(operation);
context.addStep(aliased, getHandlerForOperation(context, operation), OperationContext.Stage.MODEL, true);
}
private static ModelNode getAliasedOperation(ModelNode operation) {
ModelNode aliased = operation.clone();
aliased.get(ModelDescriptionConstants.NAME).set(ServerDefinition.STATISTICS_ENABLED.getName());
return aliased;
}
private static OperationStepHandler getHandlerForOperation(OperationContext context, ModelNode operation) {
ImmutableManagementResourceRegistration imrr = context.getResourceRegistration();
return imrr.getOperationHandler(PathAddress.EMPTY_ADDRESS, operation.get(OP).asString());
}
}
}