org.virtue.network.Network.java Source code

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Here is the source code for org.virtue.network.Network.java

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/**
 * Copyright (c) 2014 Virtue Studios
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.virtue.network;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.virtue.Constants;
import org.virtue.network.protocol.handshake.HandshakeDecoder;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.timeout.ReadTimeoutHandler;

/**
 * @author Im Frizzy <skype:kfriz1998>
 * @since Aug 8, 2014
 */
public class Network {

    /**
     * The {@link Logger} Instance
     */
    private static Logger logger = LoggerFactory.getLogger(Network.class);

    private EventLoopGroup bossGroup = new NioEventLoopGroup();
    private EventLoopGroup workerGroup = new NioEventLoopGroup();
    private ChannelFuture future;

    /**
     * Binds a pipeline to a port
     */
    public void bindNetwork() {
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<NioSocketChannel>() {

                    @Override
                    protected void initChannel(NioSocketChannel ch) throws Exception {
                        ChannelPipeline pipeline = ch.pipeline();
                        pipeline.addLast("decoder", new HandshakeDecoder());
                        pipeline.addLast("read-timeout", new ReadTimeoutHandler(15));
                        pipeline.addLast("channel-handler", new NetworkHandler());
                    }

                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.TCP_NODELAY, true);

        try {
            future = bootstrap.bind(Constants.SERVER_PORT).sync();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        logger.info("Bound Virtue on: " + future.channel().localAddress().toString());
    }

    public void shutdown() {
        try {
            future.channel().closeFuture().sync();
        } catch (InterruptedException e) {
            e.printStackTrace();
        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }
}