/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.messaging;
import static org.hornetq.core.remoting.impl.netty.NettyConnector.HORNETQ_REMOTING;
import static org.hornetq.core.remoting.impl.netty.NettyConnector.MAGIC_NUMBER;
import static org.hornetq.core.remoting.impl.netty.NettyConnector.SEC_HORNETQ_REMOTING_ACCEPT;
import static org.hornetq.core.remoting.impl.netty.NettyConnector.SEC_HORNETQ_REMOTING_KEY;
import static org.hornetq.core.remoting.impl.netty.TransportConstants.HTTP_UPGRADE_ENDPOINT_PROP_NAME;
import static org.jboss.as.messaging.CommonAttributes.CORE;
import static org.jboss.as.messaging.logging.MessagingLogger.MESSAGING_LOGGER;
import java.io.IOException;
import java.util.List;
import io.netty.channel.socket.SocketChannel;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.ListenerRegistry;
import io.undertow.server.handlers.ChannelUpgradeHandler;
import org.hornetq.core.remoting.impl.netty.NettyAcceptor;
import org.hornetq.core.remoting.server.RemotingService;
import org.hornetq.core.server.HornetQServer;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.remoting.HttpListenerRegistryService;
import org.jboss.as.remoting.SimpleHttpUpgradeHandshake;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
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;
import org.xnio.ChannelListener;
import org.xnio.StreamConnection;
import org.xnio.netty.transport.WrappingXnioSocketChannel;
/**
* Service that handles HTTP upgrade for HornetQ remoting protocol.
*
* @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2013 Red Hat inc.
*/
public class HTTPUpgradeService implements Service<HTTPUpgradeService> {
public static final ServiceName HTTP_UPGRADE_REGISTRY = ServiceName.JBOSS.append("http-upgrade-registry");
public static final ServiceName UPGRADE_SERVICE_NAME = MessagingServices.JBOSS_MESSAGING.append("http-upgrade-service");
private final String hornetQServerName;
private final String acceptorName;
private final String httpListenerName;
private InjectedValue<ChannelUpgradeHandler> injectedRegistry = new InjectedValue<>();
private InjectedValue<ListenerRegistry> listenerRegistry = new InjectedValue<>();
private ListenerRegistry.HttpUpgradeMetadata httpUpgradeMetadata;
public HTTPUpgradeService(String hornetQServerName, String acceptorName, String httpListenerName) {
this.hornetQServerName = hornetQServerName;
this.acceptorName = acceptorName;
this.httpListenerName = httpListenerName;
}
public static void installService(final ServiceTarget serviceTarget, String hornetQServerName, final String acceptorName, final String httpListenerName, final ServiceVerificationHandler verificationHandler, final List<ServiceController<?>> newControllers) {
final HTTPUpgradeService service = new HTTPUpgradeService(hornetQServerName, acceptorName, httpListenerName);
ServiceBuilder<HTTPUpgradeService> builder = serviceTarget.addService(UPGRADE_SERVICE_NAME.append(acceptorName), service)
.addDependency(HTTP_UPGRADE_REGISTRY.append(httpListenerName), ChannelUpgradeHandler.class, service.injectedRegistry)
.addDependency(HttpListenerRegistryService.SERVICE_NAME, ListenerRegistry.class, service.listenerRegistry)
.addDependency(HornetQActivationService.getHornetQActivationServiceName(MessagingServices.getHornetQServiceName(hornetQServerName)));
if (verificationHandler != null) {
builder.addListener(verificationHandler);
}
builder.setInitialMode(ServiceController.Mode.PASSIVE);
ServiceController<HTTPUpgradeService> controller = builder.install();
if(newControllers != null) {
newControllers.add(controller);
}
}
@Override
public void start(StartContext context) throws StartException {
ListenerRegistry.Listener listenerInfo = listenerRegistry.getValue().getListener(httpListenerName);
assert listenerInfo != null;
httpUpgradeMetadata = new ListenerRegistry.HttpUpgradeMetadata(HORNETQ_REMOTING, CORE);
listenerInfo.addHttpUpgradeMetadata(httpUpgradeMetadata);
MESSAGING_LOGGER.registeredHTTPUpgradeHandler(HORNETQ_REMOTING, acceptorName);
ServiceController<?> hornetqService = context.getController().getServiceContainer().getService(MessagingServices.getHornetQServiceName(hornetQServerName));
HornetQServer hornetQServer = HornetQServer.class.cast(hornetqService.getValue());
injectedRegistry.getValue().addProtocol(HORNETQ_REMOTING,
switchToHornetQProtocol(hornetQServer, acceptorName),
new SimpleHttpUpgradeHandshake(MAGIC_NUMBER, SEC_HORNETQ_REMOTING_KEY, SEC_HORNETQ_REMOTING_ACCEPT) {
/**
* override the default upgrade handshake to take into account the {@code TransportConstants.HTTP_UPGRADE_ENDPOINT_PROP_NAME} header
* to select the correct acceptors among all that are configured in HornetQ.
*
* If the request does not have this header, the first acceptor will be used.
*/
@Override
public boolean handleUpgrade(HttpServerExchange exchange) throws IOException {
if (super.handleUpgrade(exchange)) {
final String endpoint = exchange.getRequestHeaders().getFirst(HTTP_UPGRADE_ENDPOINT_PROP_NAME);
if (endpoint == null) {
return true;
} else {
return acceptorName.equals(endpoint);
}
} else {
return false;
}
}
});
}
@Override
public void stop(StopContext context) {
listenerRegistry.getValue().getListener(httpListenerName).removeHttpUpgradeMetadata(httpUpgradeMetadata);
httpUpgradeMetadata = null;
injectedRegistry.getValue().removeProtocol(HORNETQ_REMOTING);
}
@Override
public HTTPUpgradeService getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
private static ChannelListener<StreamConnection> switchToHornetQProtocol(final HornetQServer hornetqServer, final String acceptorName) {
return new ChannelListener<StreamConnection>() {
@Override
public void handleEvent(final StreamConnection connection) {
MESSAGING_LOGGER.debugf("Switching to %s protocol for %s http-acceptor", HORNETQ_REMOTING, acceptorName);
SocketChannel channel = new WrappingXnioSocketChannel(connection);
RemotingService remotingService = hornetqServer.getRemotingService();
NettyAcceptor acceptor = (NettyAcceptor)remotingService.getAcceptor(acceptorName);
acceptor.transfer(channel);
connection.getSourceChannel().resumeReads();
}
};
}
}