org.aotorrent.tracker.TorrentTracker.java Source code

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Here is the source code for org.aotorrent.tracker.TorrentTracker.java

Source

/*
 * Copyright 2014 Napolov Dmitry
 *
 * 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 org.aotorrent.tracker;

import com.google.common.cache.Cache;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.net.InetSocketAddress;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author dmitry 21.08.14 0:36
 */
public class TorrentTracker implements Runnable {
    private final Logger LOGGER = LoggerFactory.getLogger(TorrentTracker.class);
    private final InetSocketAddress localSocketAddress;

    private Thread thread;

    private Map<String, Cache<InetSocketAddress, Integer>> torrents = new ConcurrentHashMap<>();

    public TorrentTracker(InetSocketAddress localSocketAddress) {
        this.localSocketAddress = localSocketAddress;
    }

    @Override
    public void run() {
        // Configure the server.
        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        NioEventLoopGroup workerGroup = new NioEventLoopGroup();
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                    .childHandler(new TrackerChannelInitializer(torrents));

            // Start the server.
            ChannelFuture f = b.bind(localSocketAddress.getPort()).sync();

            // Wait until the server socket is closed.
            f.channel().closeFuture().sync();
        } catch (InterruptedException e) {
            LOGGER.error("Interrupted", e);
        } finally {
            // Shut down all event loops to terminate all threads.
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }

    public Thread start() {
        thread = new Thread(this);
        thread.start();
        return thread;
    }

    @Override
    public String toString() {
        return "TorrentTracker{" + "torrents=" + torrents + '}';
    }
}