org.rzo.netty.mcast.bridge.MulticastAccessPoint.java Source code

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Here is the source code for org.rzo.netty.mcast.bridge.MulticastAccessPoint.java

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/*******************************************************************************
 * Copyright  2015 rzorzorzo@users.sf.net
 *
 * 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.rzo.netty.mcast.bridge;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;

import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.rzo.netty.ahessian.Constants;
import org.rzo.netty.ahessian.bootstrap.ChannelPipelineFactory;
import org.rzo.netty.mcast.MulticastEndpoint;

public class MulticastAccessPoint {

    private static List<Channel> remoteChannels = Collections.synchronizedList(new ArrayList<Channel>());
    private static MulticastEndpoint mcast = new MulticastEndpoint();

    public static void main(String[] args) {
        int port = Integer.parseInt(args[0]);

        EventLoopGroup bossGroup = new NioEventLoopGroup();
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class);

        bootstrap.childHandler(new ChannelPipelineFactory() {
            public HandlerList getPipeline() {
                return ChannelPipelineFactory.handlerList(new ChannelInboundHandlerAdapter() {

                    @Override
                    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                        if (mcast != null && mcast.isInit())
                            mcast.send((ByteBuf) msg);
                    }

                    @Override
                    public void channelActive(ChannelHandlerContext ctx) throws Exception {
                        remoteChannels.add(ctx.channel());
                    }

                    @Override
                    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
                        remoteChannels.add(ctx.channel());
                    }

                    @Override
                    public void exceptionCaught(ChannelHandlerContext paramChannelHandlerContext, Throwable e)
                            throws Exception {
                        Throwable cause = e.getCause();
                        System.out.println(e);
                    }

                });
            }
        });
        try {
            bootstrap.bind(new InetSocketAddress(port)).sync();
        } catch (InterruptedException e1) {
            e1.printStackTrace();
        }

        try {
            mcast.init(new ChannelPipelineFactory() {
                public HandlerList getPipeline() {
                    return ChannelPipelineFactory.handlerList(new ChannelInboundHandlerAdapter() {
                        @Override
                        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                            ByteBuf b = mcast.getMessage((ByteBuf) msg);
                            if (b == null)
                                return;
                            for (Channel c : remoteChannels) {
                                if (c.isActive())
                                    c.write(b);
                            }
                        }

                    });
                }
            });
        } catch (Exception e) {
            Constants.ahessianLogger.warn("", e);
        }

    }

}