com.ura.proxy.HexDumpProxy.java Source code

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Here is the source code for com.ura.proxy.HexDumpProxy.java

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/*
* Copyright 2012 The Netty Project
*
 * The Netty Project licenses this file to you 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.ura.proxy;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.socket.ClientSocketChannelFactory;
import io.netty.channel.socket.nio.NioClientSocketChannelFactory;
import io.netty.channel.socket.nio.NioServerSocketChannelFactory;

import java.net.InetSocketAddress;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;

import org.apache.log4j.Logger;

public class HexDumpProxy {
    private String id;
    Logger logger = Logger.getLogger(HexDumpProxy.class);

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((id == null) ? 0 : id.hashCode());
        result = prime * result + localPort;
        result = prime * result + ((remoteHost == null) ? 0 : remoteHost.hashCode());
        result = prime * result + remotePort;
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        HexDumpProxy other = (HexDumpProxy) obj;
        if (id == null) {
            if (other.id != null)
                return false;
        } else if (!id.equals(other.id))
            return false;
        if (localPort != other.localPort)
            return false;
        if (remoteHost == null) {
            if (other.remoteHost != null)
                return false;
        } else if (!remoteHost.equals(other.remoteHost))
            return false;
        if (remotePort != other.remotePort)
            return false;
        return true;
    }

    public String getId() {
        return id;
    }

    public void setId(String name) {
        this.id = name;
    }

    private final int localPort;
    private final String remoteHost;

    public int getLocalPort() {
        return localPort;
    }

    public String getRemoteHost() {
        return remoteHost;
    }

    public int getRemotePort() {
        return remotePort;
    }

    private final int remotePort;
    private ClientSocketChannelFactory factory;
    private Channel mainChannel;

    public HexDumpProxy(String id, int localPort, String remoteHost, int remotePort) {
        this.localPort = localPort;
        this.remoteHost = remoteHost;
        this.remotePort = remotePort;
        this.id = id;
    }

    public void start() {
        logger.info("Proxying *:" + localPort + " to " + remoteHost + ':' + remotePort + " ...");

        // Configure the bootstrap.
        Executor executor = Executors.newCachedThreadPool();
        ServerBootstrap sb = new ServerBootstrap(new NioServerSocketChannelFactory(executor, executor));

        // Set up the event pipeline factory.
        factory = new NioClientSocketChannelFactory(executor, executor);

        sb.setPipelineFactory(new HexDumpProxyPipelineFactory(factory, remoteHost, remotePort));

        // Start up the server.
        mainChannel = sb.bind(new InetSocketAddress(localPort));

    }

    public void stop() {
        logger.info("Stoping proxying *:" + localPort + " to " + remoteHost + ':' + remotePort + " ...");

        ChannelFuture closeChannelFuture = mainChannel.getCloseFuture();
        ChannelFuture channelFuture = mainChannel.close();
        channelFuture.awaitUninterruptibly();
        closeChannelFuture.awaitUninterruptibly();
        factory.releaseExternalResources();
    }

}