Examples with ChannelInitializer org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer used on opensource projects

Example 56 with ChannelInitializer

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer in project wildfly-camel by wildfly-extras.

the class LumberjackComponentTest method sendMessages.

private List<Integer> sendMessages(int port, SSLContextParameters sslContextParameters) throws InterruptedException {
    NioEventLoopGroup eventLoopGroup = new NioEventLoopGroup();
    try {
        // This list will hold the acknowledgment response sequence numbers
        List<Integer> responses = new ArrayList<>();
        // This initializer configures the SSL and an acknowledgment recorder
        ChannelInitializer<Channel> initializer = new ChannelInitializer<Channel>() {

            @Override
            protected void initChannel(Channel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                if (sslContextParameters != null) {
                    SSLEngine sslEngine = sslContextParameters.createSSLContext(null).createSSLEngine();
                    sslEngine.setUseClientMode(true);
                    pipeline.addLast(new SslHandler(sslEngine));
                }
                // Add the response recorder
                pipeline.addLast(new SimpleChannelInboundHandler<ByteBuf>() {

                    @Override
                    protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
                        Assert.assertEquals(msg.readUnsignedByte(), (short) '2');
                        Assert.assertEquals(msg.readUnsignedByte(), (short) 'A');
                        synchronized (responses) {
                            responses.add(msg.readInt());
                        }
                    }
                });
            }
        };
        // Connect to the server
        Channel channel = new Bootstrap().group(eventLoopGroup).channel(NioSocketChannel.class).handler(initializer).connect("127.0.0.1", port).sync().channel();
        // Send the 2 window frames
        TimeUnit.MILLISECONDS.sleep(100);
        channel.writeAndFlush(readSample("lumberjack/window10"));
        TimeUnit.MILLISECONDS.sleep(100);
        channel.writeAndFlush(readSample("lumberjack/window15"));
        TimeUnit.MILLISECONDS.sleep(100);
        channel.close();
        synchronized (responses) {
            return responses;
        }
    } finally {
        eventLoopGroup.shutdownGracefully();
    }
}

Example 57 with ChannelInitializer

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer in project herddb by diennea.

the class NettyChannelAcceptor method start.

public void start() throws Exception {
    if (ssl) {
        if (sslCertFile == null) {
            LOGGER.log(Level.SEVERE, "start SSL with self-signed auto-generated certificate");
            if (sslCiphers != null) {
                LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers);
            }
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            try {
                sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).ciphers(sslCiphers).build();
            } finally {
                ssc.delete();
            }
        } else {
            LOGGER.log(Level.SEVERE, "start SSL with certificate " + sslCertFile.getAbsolutePath() + " chain file " + sslCertChainFile.getAbsolutePath());
            if (sslCiphers != null) {
                LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers);
            }
            sslCtx = SslContextBuilder.forServer(sslCertChainFile, sslCertFile, sslCertPassword).ciphers(sslCiphers).build();
        }
    }
    if (callbackThreads == 0) {
        callbackExecutor = Executors.newCachedThreadPool();
    } else {
        callbackExecutor = Executors.newFixedThreadPool(callbackThreads, new ThreadFactory() {

            private final AtomicLong count = new AtomicLong();

            @Override
            public Thread newThread(Runnable r) {
                return new Thread(r, "herddb-callbacks-" + count.incrementAndGet());
            }
        });
    }
    InetSocketAddress address = new InetSocketAddress(host, port);
    LOGGER.log(Level.SEVERE, "Starting HerdDB network server at {0}:{1}", new Object[] { host, port + "" });
    ChannelInitializer<io.netty.channel.Channel> channelInitialized = new ChannelInitializer<io.netty.channel.Channel>() {

        @Override
        public void initChannel(io.netty.channel.Channel ch) throws Exception {
            NettyChannel session = new NettyChannel("unnamed", ch, callbackExecutor);
            if (acceptor != null) {
                acceptor.createConnection(session);
            }
            // Add SSL handler first to encrypt and decrypt everything.
            if (ssl) {
                ch.pipeline().addLast(sslCtx.newHandler(ch.alloc()));
            }
            ch.pipeline().addLast("lengthprepender", new LengthFieldPrepender(4));
            ch.pipeline().addLast("lengthbaseddecoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
            // 
            ch.pipeline().addLast("messageencoder", new DataMessageEncoder());
            ch.pipeline().addLast("messagedecoder", new DataMessageDecoder());
            ch.pipeline().addLast(new InboundMessageHandler(session));
        }
    };
    if (enableRealNetwork) {
        if (NetworkUtils.isEnableEpoolNative()) {
            bossGroup = new EpollEventLoopGroup(workerThreads);
            workerGroup = new EpollEventLoopGroup(workerThreads);
            LOGGER.log(Level.INFO, "Using netty-native-epoll network type");
        } else {
            bossGroup = new NioEventLoopGroup(workerThreads);
            workerGroup = new NioEventLoopGroup(workerThreads);
            LOGGER.log(Level.INFO, "Using nio network type");
        }
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NetworkUtils.isEnableEpoolNative() ? EpollServerSocketChannel.class : NioServerSocketChannel.class).childHandler(channelInitialized).option(ChannelOption.SO_BACKLOG, 128);
        ChannelFuture f = b.bind(address).sync();
        this.channel = f.channel();
    }
    if (enableJVMNetwork) {
        localBossGroup = new DefaultEventLoopGroup(workerThreads);
        localWorkerGroup = new DefaultEventLoopGroup(workerThreads);
        ServerBootstrap b_local = new ServerBootstrap();
        b_local.group(localBossGroup, localWorkerGroup).channel(LocalServerChannel.class).childHandler(channelInitialized);
        String hostAddress = NetworkUtils.getAddress(address);
        LocalServerRegistry.registerLocalServer(hostAddress, port, ssl);
        ChannelFuture local_f = b_local.bind(new LocalAddress(hostAddress + ":" + port + ":" + ssl)).sync();
        this.local_channel = local_f.channel();
    }
}

Example 58 with ChannelInitializer

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer in project moco by dreamhead.

the class MocoSocketServer method channelInitializer.

@Override
public ChannelInitializer<SocketChannel> channelInitializer() {
    return new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(final SocketChannel ch) {
            ChannelPipeline pipeline = ch.pipeline();
            pipeline.addLast("aggregator", new MocoAggregator());
            pipeline.addLast("handler", new MocoSocketHandler(serverSetting));
        }
    };
}

Example 59 with ChannelInitializer

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer in project chuidiang-ejemplos by chuidiang.

the class MulticastServer method start.

public void start() throws InterruptedException, SocketException, UnknownHostException {
    NetworkInterface ni = NetworkInterface.getByInetAddress(InetAddress.getByName("127.0.0.1"));
    InetSocketAddress groupAddress = new InetSocketAddress("239.255.27.1", 1234);
    EventLoopGroup group = new NioEventLoopGroup();
    Bootstrap b = new Bootstrap();
    b.group(group).channelFactory(new ChannelFactory<NioDatagramChannel>() {

        @Override
        public NioDatagramChannel newChannel() {
            return new NioDatagramChannel(InternetProtocolFamily.IPv4);
        }
    }).handler(new ChannelInitializer<NioDatagramChannel>() {

        @Override
        protected void initChannel(NioDatagramChannel ch) throws Exception {
            ch.pipeline().addLast(new ServerHandler());
        }
    }).option(ChannelOption.SO_REUSEADDR, true);
    NioDatagramChannel ch = (NioDatagramChannel) b.bind(groupAddress.getPort()).sync().channel();
    ch.joinGroup(groupAddress, ni).sync();
    ch.closeFuture().await();
}

Example 60 with ChannelInitializer

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer in project chuidiang-ejemplos by chuidiang.

the class MulticastClient method start.

public void start() throws InterruptedException, SocketException, UnknownHostException {
    EventLoopGroup group = new NioEventLoopGroup();
    Bootstrap b = new Bootstrap();
    b.group(group).channelFactory(new ChannelFactory<NioDatagramChannel>() {

        @Override
        public NioDatagramChannel newChannel() {
            return new NioDatagramChannel(InternetProtocolFamily.IPv4);
        }
    }).handler(new ChannelInitializer<NioDatagramChannel>() {

        @Override
        protected void initChannel(NioDatagramChannel ch) throws Exception {
            ch.pipeline().addLast(myHandler);
        }
    }).option(ChannelOption.SO_REUSEADDR, true);
    NioDatagramChannel ch = (NioDatagramChannel) b.bind(1234).sync().channel();
    new Thread() {

        public void run() {
            while (true) {
                try {
                    Thread.sleep(1000);
                    myHandler.sendMessage("Hola desde netty");
                    System.out.println("Envio Hola");
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }.start();
    ch.closeFuture().await();
}