/*
* 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.controller.client.impl;
import static org.jboss.as.controller.client.ControllerClientMessages.MESSAGES;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import org.jboss.as.controller.client.ModelControllerClient;
import org.jboss.as.controller.client.ModelControllerClientConfiguration;
import org.jboss.as.protocol.ProtocolChannelClient;
import org.jboss.as.protocol.StreamUtils;
import org.jboss.as.protocol.mgmt.ManagementChannelAssociation;
import org.jboss.as.protocol.mgmt.ManagementChannelHandler;
import org.jboss.as.protocol.mgmt.ManagementClientChannelStrategy;
import org.jboss.remoting3.Channel;
import org.jboss.remoting3.CloseHandler;
import org.jboss.remoting3.Endpoint;
import org.jboss.remoting3.Remoting;
import org.jboss.remoting3.remote.RemoteConnectionProviderFactory;
import org.xnio.OptionMap;
/**
* {@link ModelControllerClient} based on a Remoting {@link Endpoint}.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class RemotingModelControllerClient extends AbstractModelControllerClient {
private Endpoint endpoint;
private ManagementClientChannelStrategy strategy;
private boolean closed;
private final ManagementChannelHandler channelAssociation;
private final ModelControllerClientConfiguration clientConfiguration;
public RemotingModelControllerClient(final ModelControllerClientConfiguration configuration) {
this.channelAssociation = new ManagementChannelHandler(new ManagementClientChannelStrategy() {
@Override
public Channel getChannel() throws IOException {
return getOrCreateChannel();
}
@Override
public synchronized void close() throws IOException {
//
}
}, configuration.getExecutor(), this);
this.clientConfiguration = configuration;
}
@Override
protected ManagementChannelAssociation getChannelAssociation() throws IOException {
return channelAssociation;
}
@Override
public void close() throws IOException {
synchronized (this) {
closed = true;
// Don't allow any new request
channelAssociation.shutdown();
// First close the channel and connection
if (strategy != null) {
StreamUtils.safeClose(strategy);
strategy = null;
}
// Then the endpoint
if (endpoint != null) {
StreamUtils.safeClose(endpoint);
endpoint = null;
}
// Cancel all still active operations
channelAssociation.shutdownNow();
try {
channelAssociation.awaitCompletion(1, TimeUnit.SECONDS);
} catch (InterruptedException ignore) {
Thread.currentThread().interrupt();
} finally {
StreamUtils.safeClose(clientConfiguration);
}
}
}
protected synchronized Channel getOrCreateChannel() throws IOException {
if (closed) {
throw MESSAGES.objectIsClosed( ModelControllerClient.class.getSimpleName());
}
if (strategy == null) {
try {
final ProtocolChannelClient.Configuration configuration = ProtocolConfigurationFactory.create(clientConfiguration);
// TODO move the endpoint creation somewhere else?
endpoint = Remoting.createEndpoint("management-client", OptionMap.EMPTY);
endpoint.addConnectionProvider("remote", new RemoteConnectionProviderFactory(), OptionMap.EMPTY);
configuration.setEndpoint(endpoint);
final ProtocolChannelClient setup = ProtocolChannelClient.create(configuration);
strategy = ManagementClientChannelStrategy.create(setup, channelAssociation, clientConfiguration.getCallbackHandler(),
clientConfiguration.getSaslOptions(), clientConfiguration.getSSLContext(),
new CloseHandler<Channel>() {
@Override
public void handleClose(final Channel closed, final IOException exception) {
channelAssociation.handleChannelClosed(closed, exception);
}
});
} catch (IOException e) {
throw e;
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return strategy.getChannel();
}
}