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/**************************************************************************
 * Copyright 2011 Jules White
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ***************************************************************************/

package org.vt.ece4564.latmb;

import java.net.InetSocketAddress;
import java.util.concurrent.Executors;

import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;


public class LATMBClient {

    public static ClientHandler connect(String host, int port) throws Exception {
        
        // Configure the client.
        ClientBootstrap bootstrap = new ClientBootstrap(
                new NioClientSocketChannelFactory(
                        Executors.newCachedThreadPool(),
                        Executors.newCachedThreadPool()));

        // Configure the pipeline factory.
        bootstrap.setPipelineFactory(new ClientPipelineFactory());

        // Start the connection attempt.
        ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));

        // Wait until the connection attempt succeeds or fails.
        Channel channel = future.awaitUninterruptibly().getChannel();
        if (!future.isSuccess()) {
            future.getCause().printStackTrace();
            bootstrap.releaseExternalResources();
            return null;
        }
        
        return channel.getPipeline().get(ClientHandler.class);
    }
}