/*
* 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.host.controller.mgmt;
import static org.jboss.as.protocol.old.ProtocolUtils.expectHeader;
import java.io.DataInput;
import java.io.IOException;
import org.jboss.as.controller.remote.ManagementOperationHandlerFactory;
import org.jboss.as.host.controller.ManagedServerLifecycleCallback;
import org.jboss.as.protocol.mgmt.ManagementOperationHandler;
import org.jboss.as.protocol.mgmt.ManagementRequestHandler;
import org.jboss.as.server.mgmt.domain.DomainServerProtocol;
import org.jboss.as.server.mgmt.domain.HostControllerServerClient;
import org.jboss.logging.Logger;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
/**
* Operation handler responsible for requests coming in from server processes on the host controller.
* The server side counterpart is {@link HostControllerServerClient}
*
* @author John Bailey
* @author Emanuel Muckenhuber
* @author Kabir Khan
*/
public class ServerToHostOperationHandlerFactoryService implements ManagementOperationHandlerFactory, Service<ManagementOperationHandlerFactory> {
private static final Logger log = Logger.getLogger("org.jboss.as.host.controller.mgmt");
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("management", "server", "to", "host", "controller");
private final InjectedValue<ManagedServerLifecycleCallback> callback = new InjectedValue<ManagedServerLifecycleCallback>();
private ServerToHostOperationHandlerFactoryService() {
}
public static void install(ServiceTarget serviceTarget, ServiceName serverInventoryName) {
final ServerToHostOperationHandlerFactoryService serverToHost = new ServerToHostOperationHandlerFactoryService();
serviceTarget.addService(ServerToHostOperationHandlerFactoryService.SERVICE_NAME, serverToHost)
.addDependency(serverInventoryName, ManagedServerLifecycleCallback.class, serverToHost.callback)
.install();
}
/** {@inheritDoc} */
@Override
public void start(StartContext context) throws StartException {
//
}
/** {@inheritDoc} */
@Override
public void stop(StopContext context) {
//
}
/** {@inheritDoc} */
@Override
public ManagementOperationHandlerFactory getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
@Override
public ManagementOperationHandler createOperationHandler() {
return new ServerToHostOperationHandler();
}
private class ServerToHostOperationHandler implements ManagementOperationHandler {
private volatile ManagementOperationHandler proxyOperationHandler;
public ManagementRequestHandler getRequestHandler(final byte id) {
if (id == DomainServerProtocol.REGISTER_REQUEST) {
return new ServerRegisterCommand();
}
if (proxyOperationHandler != null) {
ManagementRequestHandler handler = proxyOperationHandler.getRequestHandler(id);
if (handler != null) {
return handler;
}
}
return null;
}
private class ServerRegisterCommand extends ManagementRequestHandler {
String serverName;
@Override
protected void readRequest(final DataInput input) throws IOException {
expectHeader(input, DomainServerProtocol.PARAM_SERVER_NAME);
serverName = input.readUTF();
log.infof("Server [%s] registered using connection [%s]", serverName, getChannel());
}
protected void processRequest() {
ServerToHostOperationHandlerFactoryService.this.callback.getValue().serverRegistered(serverName, getChannel(), new ManagedServerLifecycleCallback.ProxyCreatedCallback() {
@Override
public void proxyOperationHandlerCreated(ManagementOperationHandler handler) {
proxyOperationHandler = handler;
}
});
}
}
}
}