com.rs3e.Main.java Source code

Introduction

Here is the source code for com.rs3e.Main.java

Source

/*
 * This file is part of RS3Emulation.
 *
 * RS3Emulation 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.
 *
 * RS3Emulation 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 RS3Emulation.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.rs3e;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelOption;
import io.netty.channel.socket.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;

import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.logging.Logger;

import com.rs3e.cache.Container;
import com.rs3e.cache.FileStore;
import com.rs3e.cache.RS3Cache;
import com.rs3e.network.ChannelChildHandler;
import com.rs3e.network.protocol.ondemand.UpdateService;

/**
 * RS3Emulation
 * Main.java
 * Mar 11, 2014
 * @author Im Frizzy : Kyle Friz : <skype:kfriz1998>
 */
public class Main {

    /**
     * The {@link ServerBootstrap} that is used to handle game networking.
     */
    private ServerBootstrap bootstrap;

    /**
     * The cache instance for the server.
     */
    private RS3Cache cache;

    /**
     * The default logging instance.
     */
    private static final Logger logger = Logger.getLogger(Main.class.getName());

    /**
     * The update service for incoming requests.
     */
    private final UpdateService updateService = new UpdateService();

    /**
     * The executor for the update service
     */
    private final Executor serviceExecutor = Executors.newCachedThreadPool();

    /**
     * The checksum table instance.
     */
    private ByteBuffer checksumTable;

    /**
     * Constructs a new {@code Main} instance.
     */
    public Main() {
        logger.info("Launching " + Constants.ServerName + "...");
    }

    /**
     * The main method of the Ieldor server, this is where everything get
     * 
     * @param args
     *            The command line arguments.
     */
    public static void main(String... args) {
        Main mainContext = null;
        try {
            mainContext = new Main();
            mainContext.initate();
            mainContext.loadGameContext();
        } catch (Exception e) {
            e.printStackTrace();
        }
        logger.info("Complete!");
    }

    /**
     * Initates a new gaming enviroment, here we are going to setup everything
     * needed for the server to be able to bind.
     */
    private void initate() {
        bootstrap = new ServerBootstrap();
        bootstrap.group(new NioEventLoopGroup(), new NioEventLoopGroup());
        bootstrap.channel(NioServerSocketChannel.class);
        bootstrap.option(ChannelOption.SO_BACKLOG, 100);
        bootstrap.childOption(ChannelOption.TCP_NODELAY, true);
        bootstrap.handler(new LoggingHandler(LogLevel.INFO));
        bootstrap.childHandler(new ChannelChildHandler(this));
        try {
            bootstrap.localAddress(Constants.ServerPort).bind().sync();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Here we are going to load any context that is needed for the game to be
     * successfully prepared for clients to connect. For example, here we are
     * going to load item definitions, and the client cache for the client to
     * store in the local cache storage directory.
     * 
     * @throws IOException
     */
    private void loadGameContext() throws IOException {
        this.cache = new RS3Cache(FileStore.open(new File("./data/cache/")));
        serviceExecutor.execute(updateService);

        Container container = new Container(Container.COMPRESSION_NONE,
                cache.createChecksumTable().encode(true, Constants.JS5ModulusKey, Constants.JS5PrivateKey));
        checksumTable = container.encode();
    }

    /**
     * Gets the cache instance.
     * 
     * @return the cache
     */
    public RS3Cache getCache() {
        return cache;
    }

    /**
     * Gets the update service.
     * 
     * @return the update service
     */
    public UpdateService getUpdateService() {
        return updateService;
    }

    /**
     * Gets the {@link ByteBuffer} (checksum table) for the cache.
     * 
     * @return the checksum table
     */
    public ByteBuffer getChecksumTable() {
        return checksumTable;
    }
}