com.mobius.software.mqtt.performance.controller.net.WsClientBootstrap.java Source code

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Here is the source code for com.mobius.software.mqtt.performance.controller.net.WsClientBootstrap.java

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/**
 * Mobius Software LTD
 * Copyright 2015-2016, Mobius Software LTD
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.mobius.software.mqtt.performance.controller.net;

import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.ConcurrentHashMap;

import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.EmptyHttpHeaders;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.websocketx.WebSocketClientHandshakerFactory;
import io.netty.handler.codec.http.websocketx.WebSocketVersion;
import io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketClientCompressionHandler;

public class WsClientBootstrap extends ClientBootstrap {
    private ExceptionHandler exceptionHandler = new ExceptionHandler();

    public WsClientBootstrap(ConcurrentHashMap<SocketAddress, ConnectionListener> clientListeners) {
        super(clientListeners);
    }

    @Override
    public void init(SocketAddress serverAddress) throws InterruptedException {
        this.serverAddress = serverAddress;
        if (pipelineInitialized.compareAndSet(false, true)) {
            try {
                InetSocketAddress remote = (InetSocketAddress) serverAddress;
                URI uri = new URI("ws://" + remote.getHostString() + ":" + remote.getPort() + "/ws");

                bootstrap.group(loopGroup);
                bootstrap.channel(NioSocketChannel.class);
                bootstrap.option(ChannelOption.TCP_NODELAY, true);
                bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
                bootstrap.handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel socketChannel) throws Exception {
                        socketChannel.pipeline().addLast("http-codec", new HttpClientCodec());
                        socketChannel.pipeline().addLast("aggregator", new HttpObjectAggregator(65536));
                        socketChannel.pipeline().addLast("handler",
                                new WsClientHandler(
                                        WebSocketClientHandshakerFactory.newHandshaker(uri, WebSocketVersion.V13,
                                                null, false, EmptyHttpHeaders.INSTANCE, 1280000, true, true),
                                        clientListeners));
                        socketChannel.pipeline().addLast("compressor", WebSocketClientCompressionHandler.INSTANCE);
                        socketChannel.pipeline().addLast("exceptionHandler", exceptionHandler);
                    }
                });
                bootstrap.remoteAddress(serverAddress);
            } catch (URISyntaxException e) {
                throw new InterruptedException(e.getMessage());
            }
        }
    }

    @Override
    public ChannelFuture createConnection() {
        try {
            Channel channel = super.createConnection().sync().channel();
            return ((WsClientHandler) channel.pipeline().get("handler")).handshakeFuture();
        } catch (InterruptedException e) {
            throw new IllegalStateException(e.getMessage(), e);
        }
    }
}