/**
 * Helios, OpenSource Monitoring
 * Brought to you by the Helios Development Group
 *
 * Copyright 2007, Helios Development Group 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.helios.apmrouter.destination.netty;

import java.util.Collection;
import java.util.concurrent.ExecutorService;

import org.jboss.netty.bootstrap.Bootstrap;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelFutureListener;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;

/**
 * <p>Title: NettyTCPDestination</p>
 * <p>Description: Base netty destination for TCP endpoints</p> 
 * <p>Company: Helios Development Group LLC</p>
 * @author Whitehead (nwhitehead AT heliosdev DOT org)
 * <p><code>org.helios.apmrouter.destination.netty.NettyTCPDestination</code></p>
 */

public class NettyTCPDestination extends NettyDestination {
	/** The nety boss pool */
	protected ExecutorService bossPool;

	/**
	 * Creates a new NettyTCPDestination
	 * @param patterns the patterns this destination accepts
	 */
	public NettyTCPDestination(String... patterns) {
		super(patterns);
	}

	/**
	 * Creates a new NettyTCPDestination
	 * @param patterns the patterns this destination accepts
	 */
	public NettyTCPDestination(Collection<String> patterns) {
		super(patterns);
	}

	/**
	 * Creates a new NettyTCPDestination
	 */
	public NettyTCPDestination() {
	}


	/**
	 * Sets the boss pool for the graphite destination
	 * @param bossPool the netty boss thread pool
	 */
	public void setBossPool(ExecutorService bossPool) {
		this.bossPool = bossPool;
	}

	/**
	 * {@inheritDoc}
	 * @see org.helios.apmrouter.destination.netty.NettyDestination#initializeChannel()
	 */
	@Override
	protected ChannelFuture initializeChannel() {		
		ChannelFutureListener cfl = new ChannelFutureListener() {
			@Override
			public void operationComplete(ChannelFuture f) throws Exception {
				if(f.isSuccess()) {
					channelGroup.add(f.getChannel());
				}
			}
		};
		ChannelFuture cf = ((ClientBootstrap)bstrap).connect(socketAddress);
		cf.addListener(cfl);
		return cf;
	}

	/**
	 * {@inheritDoc}
	 * @see org.helios.apmrouter.destination.netty.NettyDestination#buildChannelFactory()
	 */
	@Override
	protected ChannelFactory buildChannelFactory() {
		return new NioClientSocketChannelFactory(bossPool, workerPool);
	}

	/**
	 * {@inheritDoc}
	 * @see org.helios.apmrouter.destination.netty.NettyDestination#buildBootstrap()
	 */
	@Override
	protected Bootstrap buildBootstrap() {
		return new ClientBootstrap(channelFactory);
	}

}