Example usage for io.netty.channel ChannelInitializer ChannelInitializer

List of usage examples for io.netty.channel ChannelInitializer ChannelInitializer

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In this page you can find the example usage for io.netty.channel ChannelInitializer ChannelInitializer.

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ChannelInitializer

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Usage

From source file:cat.tbq.hospital.nio.echoExample.EchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.git
    final SslContext sslCtx;
    if (SSL) {// w  w w . j  a v  a  2 s  .c  o m
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                        }
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoClientHandler());
                        //                            p.addLast(new EchoClient2Handler());
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(HOST, PORT).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:cat.tbq.hospital.nio.echoExample.EchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*  ww  w . ja  v a 2s  .  co m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();

    } else {
        sslCtx = null;

    }
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup 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 ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));

                        }
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoServerHandler());
                    }
                });
        // Start the server.
        ChannelFuture f = b.bind(PORT).sync();
        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cc.agentx.client.net.nio.XClient.java

License:Apache License

public void start() {
    Configuration config = Configuration.INSTANCE;
    InternalLoggerFactory.setDefaultFactory(Slf4JLoggerFactory.INSTANCE);
    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();
    try {/*from   w w  w. j  a  va  2s . co m*/
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel socketChannel) throws Exception {
                        socketChannel.pipeline().addLast("logging", new LoggingHandler(LogLevel.DEBUG))
                                .addLast(new SocksInitRequestDecoder()).addLast(new SocksMessageEncoder())
                                .addLast(new Socks5Handler()).addLast(Status.TRAFFIC_HANDLER);
                    }
                });
        log.info("\tStartup {}-{}-client [{}{}]", Constants.APP_NAME, Constants.APP_VERSION, config.getMode(),
                config.getMode().equals("socks5") ? "" : ":" + config.getProtocol());
        ChannelFuture future = bootstrap.bind(config.getLocalHost(), config.getLocalPort()).sync();
        future.addListener(
                future1 -> log.info("\tListening at {}:{}...", config.getLocalHost(), config.getLocalPort()));
        future.channel().closeFuture().sync();
    } catch (Exception e) {
        log.error("\tSocket bind failure ({})", e.getMessage());
    } finally {
        log.info("\tShutting down");
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cc.agentx.server.net.nio.XServer.java

License:Apache License

public void start() {
    Configuration config = Configuration.INSTANCE;
    InternalLoggerFactory.setDefaultFactory(Slf4JLoggerFactory.INSTANCE);
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from   w  ww  . j  a  va 2  s.  c o m*/
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    protected void initChannel(SocketChannel socketChannel) throws Exception {
                        socketChannel.pipeline().addLast("logging", new LoggingHandler(LogLevel.DEBUG))
                                .addLast(new XConnectHandler());
                        if (config.getReadLimit() != 0 || config.getWriteLimit() != 0) {
                            socketChannel.pipeline().addLast(
                                    new GlobalTrafficShapingHandler(Executors.newScheduledThreadPool(1),
                                            config.getWriteLimit(), config.getReadLimit()));
                        }
                    }
                });
        log.info("\tStartup {}-{}-server [{}]", Constants.APP_NAME, Constants.APP_VERSION,
                config.getProtocol());
        ChannelFuture future = bootstrap.bind(config.getHost(), config.getPort()).sync();
        future.addListener(future1 -> log.info("\tListening at {}:{}...", config.getHost(), config.getPort()));
        future.channel().closeFuture().sync();
    } catch (Exception e) {
        log.error("\tSocket bind failure ({})", e.getMessage());
    } finally {
        log.info("\tShutting down and recycling...");
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
        Configuration.shutdownRelays();
    }
    System.exit(0);
}

From source file:cc.blynk.integration.model.websocket.AppWebSocketClient.java

License:Apache License

@Override
public ChannelInitializer<SocketChannel> getChannelInitializer() {
    return new ChannelInitializer<SocketChannel>() {
        @Override/*from   w ww. j  ava2  s  . c  om*/
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            p.addLast(sslCtx.newHandler(ch.alloc(), host, port), new HttpClientCodec(),
                    new HttpObjectAggregator(8192), appHandler, new WebAppMessageDecoder(new GlobalStats(),
                            new Limits(new ServerProperties(Collections.emptyMap()))));
        }
    };
}

From source file:cc.blynk.integration.model.websocket.WebSocketClient.java

License:Apache License

@Override
protected ChannelInitializer<SocketChannel> getChannelInitializer() {
    return new ChannelInitializer<SocketChannel>() {
        @Override// w  ww.  j  av a2 s  . c o  m
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            if (sslCtx != null) {
                p.addLast(sslCtx.newHandler(ch.alloc(), host, port));
            }
            p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler,
                    new MessageDecoder(new GlobalStats()));
        }
    };
}

From source file:cc.sharper.netty.delimiter.EchoClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO/*from w w  w.jav  a 2 s . co  m*/
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        //? 
                        ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
                        ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, delimiter));

                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new EchoClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

From source file:cc.sharper.netty.TimeClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO/*from   w w  w  .j av a  2  s . c o m*/
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>()// ??
        {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new TimeClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

From source file:cf.dropsonde.firehose.NettyFirehoseOnSubscribe.java

License:Open Source License

public NettyFirehoseOnSubscribe(URI uri, String token, String subscriptionId, boolean skipTlsValidation,
        EventLoopGroup eventLoopGroup, Class<? extends SocketChannel> channelClass) {
    try {//from   w  w  w .ja va 2 s  .c  om
        final String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
        final String scheme = uri.getScheme() == null ? "ws" : uri.getScheme();
        final int port = getPort(scheme, uri.getPort());
        final URI fullUri = uri.resolve("/firehose/" + subscriptionId);

        final SslContext sslContext;
        if ("wss".equalsIgnoreCase(scheme)) {
            final SslContextBuilder sslContextBuilder = SslContextBuilder.forClient();
            if (skipTlsValidation) {
                sslContextBuilder.trustManager(InsecureTrustManagerFactory.INSTANCE);
            } else {
                TrustManagerFactory trustManagerFactory = TrustManagerFactory
                        .getInstance(TrustManagerFactory.getDefaultAlgorithm());
                trustManagerFactory.init((KeyStore) null);
                sslContextBuilder.trustManager(trustManagerFactory);
            }
            sslContext = sslContextBuilder.build();
        } else {
            sslContext = null;
        }

        bootstrap = new Bootstrap();
        if (eventLoopGroup == null) {
            this.eventLoopGroup = new NioEventLoopGroup();
            bootstrap.group(this.eventLoopGroup);
        } else {
            this.eventLoopGroup = null;
            bootstrap.group(eventLoopGroup);
        }
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 15000)
                .channel(channelClass == null ? NioSocketChannel.class : channelClass).remoteAddress(host, port)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel c) throws Exception {
                        final HttpHeaders headers = new DefaultHttpHeaders();
                        headers.add(HttpHeaders.Names.AUTHORIZATION, token);
                        final WebSocketClientHandler handler = new WebSocketClientHandler(
                                WebSocketClientHandshakerFactory.newHandshaker(fullUri, WebSocketVersion.V13,
                                        null, false, headers));
                        final ChannelPipeline pipeline = c.pipeline();
                        if (sslContext != null) {
                            pipeline.addLast(sslContext.newHandler(c.alloc(), host, port));
                        }
                        pipeline.addLast(new ReadTimeoutHandler(30));
                        pipeline.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192));
                        pipeline.addLast(HANDLER_NAME, handler);

                        channel = c;
                    }
                });
    } catch (NoSuchAlgorithmException | SSLException | KeyStoreException e) {
        throw new RuntimeException(e);
    }
}

From source file:ch.ethz.globis.distindex.middleware.net.IndexMiddleware.java

License:Open Source License

private ServerBootstrap initServerBootstrap(final IOHandler<K, V> handler) {
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {
                @Override//from w  ww . j  a  v a  2  s . co m
                protected void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new MiddlewareMessageDecoder(),
                            new MiddlewareChannelHandler<K, V>(handler) {
                            });
                }
            });
    return b;
}