com.sangupta.swift.netty.proxy.ReverseProxyServer.java Source code

Introduction

Here is the source code for com.sangupta.swift.netty.proxy.ReverseProxyServer.java

Source

/**
 *
 * swift - Netty based HTTP Server
 * Copyright (c) 2014, Sandeep Gupta
 * 
 * http://sangupta.com/projects/swift
 * 
 * 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 com.sangupta.swift.netty.proxy;

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

import com.sangupta.swift.SwiftServer;
import com.sangupta.swift.netty.NettyServer;

/**
 * Handles reverse proxy calls
 * 
 * @author sangupta
 *
 */
public class ReverseProxyServer extends NettyServer {

    public ReverseProxyServer(SwiftServer server) {
        this.bossGroup = new NioEventLoopGroup(1);
        this.workerGroup = new NioEventLoopGroup();

        try {
            this.serverBootstrap = new ServerBootstrap();

            this.serverBootstrap.group(this.bossGroup, this.workerGroup).channel(NioServerSocketChannel.class)
                    .childHandler(new ProxyInitializer(server.getProxyHost(), server.getProxyPort()))
                    .childOption(ChannelOption.AUTO_READ, false);

            this.channel = this.serverBootstrap.bind(server.getListenPort()).sync().channel();

            System.out.println("Listening on port " + server.getListenPort());

            this.channel.closeFuture().sync();
        } catch (InterruptedException e) {
            // TODO: think what we can do with this
            e.printStackTrace();
        } finally {
            this.shutdownGracefully();
        }
    }

}