com.vethrfolnir.game.network.MuNetworkServer.java Source code

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Here is the source code for com.vethrfolnir.game.network.MuNetworkServer.java

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/**
 * Copyright (C) 2013-2014 Project-Vethrfolnir
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.vethrfolnir.game.network;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;

import java.util.concurrent.atomic.AtomicInteger;

import com.vethrfolnir.game.network.mu.MuChannelHandler;
import com.vethrfolnir.game.network.mu.MuCyperDecoder;
import com.vethrfolnir.logging.MuLogger;
import com.vethrfolnir.network.NetworkServerInterface;
import com.vethrfolnir.services.threads.CorvusThreadPool;

import corvus.corax.Corax;
import corvus.corax.config.Config;
import corvus.corax.inject.Inject;

/**
 * @author Vlad
 *
 */
public final class MuNetworkServer implements NetworkServerInterface, Runnable {

    private static final MuLogger log = MuLogger.getLogger(MuNetworkServer.class);

    @Config(key = "Game.Host", value = "0.0.0.0")
    private String host;

    @Config(key = "Fame.Port", value = "55901")
    private int port;

    private ServerBootstrap bootstrap;
    private ChannelFuture channelFuture;

    public static final AtomicInteger onlineClients = new AtomicInteger();

    @Inject
    private void load() {

        log.info("Preparing Game server listening! Info[Host: " + host + ", Port: " + port + "]");
        try {
            NioEventLoopGroup bossGroup = new NioEventLoopGroup();
            NioEventLoopGroup workerGroup = new NioEventLoopGroup();

            bootstrap = new ServerBootstrap();
            bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    .option(ChannelOption.SO_BACKLOG, 100).childHandler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) throws Exception {
                            ch.pipeline().addLast(new MuCyperDecoder(), new MuChannelHandler()
                            //new MuCyperEncoder()
                            );
                        }
                    });
        } catch (Exception e) {
            log.fatal("Unable to set up netty!", e);
        }
    }

    @Override
    public void start() {
        // Reload
        if (bootstrap == null) {
            load();
        }

        Corax.fetch(CorvusThreadPool.class).executeLongRunning(this);
    }

    @Override
    public void stop() {
        if (channelFuture != null)
            channelFuture.channel().close();
    }

    /* (non-Javadoc)
     * @see java.lang.Runnable#run()
     */
    @Override
    public void run() {
        try {
            // Start the server.
            channelFuture = bootstrap.bind(host, port);

            log.info("Listening on[Host: " + host + ", Port: " + port + "]");

            channelFuture.sync();

            // Wait until the server socket is closed.
            channelFuture.channel().closeFuture().sync();
        } catch (Exception e) {
            log.fatal("Network thread fail!", e);
        } finally {
            // Shut down all event loops to terminate all threads.
            bootstrap.group().shutdownGracefully();
            bootstrap.childGroup().shutdownGracefully();
            bootstrap = null;
            channelFuture = null;
        }
    }

    /**
     * @return
     */
    public static int onlineClients() {
        return onlineClients.get();
    }
}