com.athena.peacock.controller.netty.PeacockServer.java Source code

Introduction

Here is the source code for com.athena.peacock.controller.netty.PeacockServer.java

Source

/* 
 * Athena Peacock Project - Server Provisioning Engine for IDC or Cloud
 * 
 * Copyright (C) 2013 Open Source Consulting, Inc. All rights reserved by Open Source Consulting, Inc.
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Revision History
 * Author         Date            Description
 * ---------------   ----------------   ------------
 * Sang-cheon Park   2013. 7. 17.      First Draft.
 */
package com.athena.peacock.controller.netty;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;

import javax.annotation.PreDestroy;
import javax.inject.Inject;
import javax.inject.Named;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import com.athena.peacock.common.provider.AppContext;

/**
 * <pre>
 *
 * </pre>
 * 
 * @author Sang-cheon Park
 * @version 1.0
 */
@Component
@Qualifier("peacockServer")
public class PeacockServer implements InitializingBean, ApplicationContextAware {

    @Value("#{contextProperties['listen.port']}")
    private int port;

    @Inject
    @Named("bossGroup")
    private EventLoopGroup bossGroup;

    @Inject
    @Named("workerGroup")
    private EventLoopGroup workerGroup;

    @Inject
    @Named("peacockServerInitializer")
    private PeacockServerInitializer initializer;

    @Inject
    @Named("peacockServerHandler")
    private PeacockServerHandler handler;

    private Channel channel;

    //@PostConstruct
    public void start() throws Exception {

        new Thread() {
            @Override
            public void run() {
                try {
                    ServerBootstrap b = new ServerBootstrap();
                    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                            .handler(new LoggingHandler(LogLevel.WARN)).childHandler(initializer);

                    // Bind and start to accept incoming connections.
                    channel = b.bind(port).sync().channel().closeFuture().sync().channel();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }

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

    @Override
    public void afterPropertiesSet() throws Exception {
        new Thread() {
            @Override
            public void run() {
                try {
                    ServerBootstrap b = new ServerBootstrap();
                    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                            .handler(new LoggingHandler(LogLevel.WARN)).childHandler(initializer);

                    // Bind and start to accept incoming connections.
                    channel = b.bind(port).sync().channel().closeFuture().sync().channel();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }

    @Override
    public void setApplicationContext(ApplicationContext ctx) throws BeansException {
        if (AppContext.getApplicationContext() == null) {
            AppContext.setApplicationContext(ctx);
        }
    }
}
//end of PeacockServer.java