/*
* 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.domain.controller.operations.coordination;
import org.jboss.as.controller.BlockingTimeout;
import org.jboss.as.controller.ModelController;
import org.jboss.as.controller.ProxyController;
import org.jboss.as.controller.client.OperationAttachments;
import org.jboss.as.controller.client.OperationMessageHandler;
import org.jboss.as.controller.client.OperationResponse;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.domain.controller.logging.DomainControllerLogger;
import org.jboss.as.domain.controller.ServerIdentity;
import org.jboss.as.server.operations.ServerRestartRequiredHandler;
import org.jboss.dmr.ModelNode;
import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicReference;
/**
* Task setting the remote server in a 'restart-required' state.
*
* @author Emanuel Muckenhuber
*/
class ServerRequireRestartTask implements Callable<OperationResponse> {
public static final String OPERATION_NAME = ServerRestartRequiredHandler.OPERATION_NAME;
public static final ModelNode OPERATION;
static {
final ModelNode operation = new ModelNode();
operation.get(ModelDescriptionConstants.OP).set(OPERATION_NAME);
operation.get(ModelDescriptionConstants.OP_ADDR).setEmptyList();
operation.protect();
OPERATION = operation;
}
private final ServerIdentity identity;
private final ProxyController controller;
private final OperationResponse originalResult;
private final BlockingTimeout blockingTimeout;
public ServerRequireRestartTask(final ServerIdentity identity, ProxyController controller, final OperationResponse originalResult, BlockingTimeout blockingTimeout) {
this.identity = identity;
this.controller = controller;
this.originalResult = originalResult;
this.blockingTimeout = blockingTimeout;
}
@Override
public OperationResponse call() throws Exception {
try {
//
final AtomicReference<ModelController.OperationTransaction> txRef = new AtomicReference<ModelController.OperationTransaction>();
final ProxyController.ProxyOperationControl proxyControl = new ProxyController.ProxyOperationControl() {
@Override
public void operationPrepared(ModelController.OperationTransaction transaction, ModelNode result) {
txRef.set(transaction);
}
@Override
public void operationFailed(ModelNode response) {
DomainControllerLogger.HOST_CONTROLLER_LOGGER.debugf("server restart required operation failed: %s", response);
}
@Override
public void operationCompleted(OperationResponse response) {
//
}
};
// Execute
final ModelNode operation = createOperation(identity);
controller.execute(operation, OperationMessageHandler.DISCARD, proxyControl, OperationAttachments.EMPTY, blockingTimeout);
final ModelController.OperationTransaction tx = txRef.get();
if(tx != null) {
// Commit right away
tx.commit();
} else {
DomainControllerLogger.HOST_CONTROLLER_LOGGER.failedToSetServerInRestartRequireState(identity.getServerName());
}
} catch (Exception e) {
DomainControllerLogger.HOST_CONTROLLER_LOGGER.debugf(e, "failed to send the server restart required operation");
}
return originalResult;
}
/**
* Transform the operation into something the proxy controller understands.
*
* @param identity the server identity
* @return the transformed operation
*/
private static ModelNode createOperation(ServerIdentity identity) {
// The server address
final ModelNode address = new ModelNode();
address.add(ModelDescriptionConstants.HOST, identity.getHostName());
address.add(ModelDescriptionConstants.RUNNING_SERVER, identity.getServerName());
//
final ModelNode operation = OPERATION.clone();
operation.get(ModelDescriptionConstants.OP_ADDR).set(address);
return operation;
}
}