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

Example 6 with ChannelInitializer

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

the class NettyUdpConnectedSendTest method createNettyUdpReceiver.

public void createNettyUdpReceiver() {
    group = new NioEventLoopGroup();
    bootstrap = new Bootstrap();
    bootstrap.group(group).channel(NioDatagramChannel.class).handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel channel) throws Exception {
            channel.pipeline().addLast(new UdpHandler());
            channel.pipeline().addLast(new ContentHandler());
        }
    }).localAddress(new InetSocketAddress(getPort()));
}

Example 7 with ChannelInitializer

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

the class CorfuServer method main.

public static void main(String[] args) {
    serverRunning = true;
    // Parse the options given, using docopt.
    Map<String, Object> opts = new Docopt(USAGE).withVersion(GitRepositoryState.getRepositoryState().describe).parse(args);
    int port = Integer.parseInt((String) opts.get("<port>"));
    // Print a nice welcome message.
    AnsiConsole.systemInstall();
    printLogo();
    System.out.println(ansi().a("Welcome to ").fg(RED).a("CORFU ").fg(MAGENTA).a("SERVER").reset());
    System.out.println(ansi().a("Version ").a(Version.getVersionString()).a(" (").fg(BLUE).a(GitRepositoryState.getRepositoryState().commitIdAbbrev).reset().a(")"));
    System.out.println(ansi().a("Serving on port ").fg(WHITE).a(port).reset());
    System.out.println(ansi().a("Service directory: ").fg(WHITE).a((Boolean) opts.get("--memory") ? "MEMORY mode" : opts.get("--log-path")).reset());
    // Pick the correct logging level before outputting error messages.
    Logger root = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
    switch((String) opts.get("--log-level")) {
        case "ERROR":
            root.setLevel(Level.ERROR);
            break;
        case "WARN":
            root.setLevel(Level.WARN);
            break;
        case "INFO":
            root.setLevel(Level.INFO);
            break;
        case "DEBUG":
            root.setLevel(Level.DEBUG);
            break;
        case "TRACE":
            root.setLevel(Level.TRACE);
            break;
        default:
            root.setLevel(Level.INFO);
            log.warn("Level {} not recognized, defaulting to level INFO", opts.get("--log-level"));
    }
    log.debug("Started with arguments: " + opts);
    // Create the service directory if it does not exist.
    if (!(Boolean) opts.get("--memory")) {
        File serviceDir = new File((String) opts.get("--log-path"));
        if (!serviceDir.exists()) {
            if (serviceDir.mkdirs()) {
                log.info("Created new service directory at {}.", serviceDir);
            }
        } else if (!serviceDir.isDirectory()) {
            log.error("Service directory {} does not point to a directory. Aborting.", serviceDir);
            throw new RuntimeException("Service directory must be a directory!");
        }
    }
    // Now, we start the Netty router, and have it route to the correct port.
    router = new NettyServerRouter(opts);
    // Create a common Server Context for all servers to access.
    serverContext = new ServerContext(opts, router);
    // Add each role to the router.
    addSequencer();
    addLayoutServer();
    addLogUnit();
    addManagementServer();
    router.baseServer.setOptionsMap(opts);
    // Setup SSL if needed
    Boolean tlsEnabled = (Boolean) opts.get("--enable-tls");
    Boolean tlsMutualAuthEnabled = (Boolean) opts.get("--enable-tls-mutual-auth");
    if (tlsEnabled) {
        // Get the TLS cipher suites to enable
        String ciphs = (String) opts.get("--tls-ciphers");
        if (ciphs != null) {
            List<String> ciphers = Pattern.compile(",").splitAsStream(ciphs).map(String::trim).collect(Collectors.toList());
            enabledTlsCipherSuites = ciphers.toArray(new String[ciphers.size()]);
        }
        // Get the TLS protocols to enable
        String protos = (String) opts.get("--tls-protocols");
        if (protos != null) {
            List<String> protocols = Pattern.compile(",").splitAsStream(protos).map(String::trim).collect(Collectors.toList());
            enabledTlsProtocols = protocols.toArray(new String[protocols.size()]);
        }
        try {
            sslContext = TlsUtils.enableTls(TlsUtils.SslContextType.SERVER_CONTEXT, (String) opts.get("--keystore"), e -> {
                log.error("Could not load keys from the key store.");
                System.exit(1);
            }, (String) opts.get("--keystore-password-file"), e -> {
                log.error("Could not read the key store password file.");
                System.exit(1);
            }, (String) opts.get("--truststore"), e -> {
                log.error("Could not load keys from the trust store.");
                System.exit(1);
            }, (String) opts.get("--truststore-password-file"), e -> {
                log.error("Could not read the trust store password file.");
                System.exit(1);
            });
        } catch (Exception ex) {
            log.error("Could not build the SSL context");
            System.exit(1);
        }
    }
    Boolean saslPlainTextAuth = (Boolean) opts.get("--enable-sasl-plain-text-auth");
    // Create the event loops responsible for servicing inbound messages.
    EventLoopGroup bossGroup;
    EventLoopGroup workerGroup;
    EventExecutorGroup ee;
    bossGroup = new NioEventLoopGroup(1, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("accept-" + threadNum.getAndIncrement());
            return t;
        }
    });
    workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("io-" + threadNum.getAndIncrement());
            return t;
        }
    });
    ee = new DefaultEventExecutorGroup(Runtime.getRuntime().availableProcessors() * 2, new ThreadFactory() {

        final AtomicInteger threadNum = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("event-" + threadNum.getAndIncrement());
            return t;
        }
    });
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100).childOption(ChannelOption.SO_KEEPALIVE, true).childOption(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(io.netty.channel.socket.SocketChannel ch) throws Exception {
                if (tlsEnabled) {
                    SSLEngine engine = sslContext.newEngine(ch.alloc());
                    engine.setEnabledCipherSuites(enabledTlsCipherSuites);
                    engine.setEnabledProtocols(enabledTlsProtocols);
                    if (tlsMutualAuthEnabled) {
                        engine.setNeedClientAuth(true);
                    }
                    ch.pipeline().addLast("ssl", new SslHandler(engine));
                }
                ch.pipeline().addLast(new LengthFieldPrepender(4));
                ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                if (saslPlainTextAuth) {
                    ch.pipeline().addLast("sasl/plain-text", new PlainTextSaslNettyServer());
                }
                ch.pipeline().addLast(ee, new NettyCorfuMessageDecoder());
                ch.pipeline().addLast(ee, new NettyCorfuMessageEncoder());
                ch.pipeline().addLast(ee, router);
            }
        });
        ChannelFuture f = b.bind(port).sync();
        while (true) {
            try {
                f.channel().closeFuture().sync();
            } catch (InterruptedException ie) {
            }
        }
    } catch (InterruptedException ie) {
    } catch (Exception ex) {
        log.error("Corfu server shut down unexpectedly due to exception", ex);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

Example 8 with ChannelInitializer

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer in project dubbo by alibaba.

the class NettyClient method doOpen.

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    final NettyClientHandler nettyClientHandler = new NettyClientHandler(getUrl(), this);
    bootstrap = new Bootstrap();
    bootstrap.group(nioEventLoopGroup).option(ChannelOption.SO_KEEPALIVE, true).option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT).channel(NioSocketChannel.class);
    if (getTimeout() < 3000) {
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 3000);
    } else {
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getTimeout());
    }
    bootstrap.handler(new ChannelInitializer() {

        protected void initChannel(Channel ch) throws Exception {
            NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec(), getUrl(), NettyClient.this);
            // .addLast("logging",new LoggingHandler(LogLevel.INFO))//for debug
            ch.pipeline().addLast("decoder", adapter.getDecoder()).addLast("encoder", adapter.getEncoder()).addLast("handler", nettyClientHandler);
        }
    });
}

Example 9 with ChannelInitializer

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

the class GeodeRedisServer method startRedisServer.

/**
   * Helper method to start the server listening for connections. The server is bound to the port
   * specified by {@link GeodeRedisServer#serverPort}
   * 
   * @throws IOException
   * @throws InterruptedException
   */
private void startRedisServer() throws IOException, InterruptedException {
    ThreadFactory selectorThreadFactory = new ThreadFactory() {

        private final AtomicInteger counter = new AtomicInteger();

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("GeodeRedisServer-SelectorThread-" + counter.incrementAndGet());
            t.setDaemon(true);
            return t;
        }
    };
    ThreadFactory workerThreadFactory = new ThreadFactory() {

        private final AtomicInteger counter = new AtomicInteger();

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("GeodeRedisServer-WorkerThread-" + counter.incrementAndGet());
            return t;
        }
    };
    bossGroup = null;
    workerGroup = null;
    Class<? extends ServerChannel> socketClass = null;
    if (singleThreadPerConnection) {
        bossGroup = new OioEventLoopGroup(Integer.MAX_VALUE, selectorThreadFactory);
        workerGroup = new OioEventLoopGroup(Integer.MAX_VALUE, workerThreadFactory);
        socketClass = OioServerSocketChannel.class;
    } else {
        bossGroup = new NioEventLoopGroup(this.numSelectorThreads, selectorThreadFactory);
        workerGroup = new NioEventLoopGroup(this.numWorkerThreads, workerThreadFactory);
        socketClass = NioServerSocketChannel.class;
    }
    InternalDistributedSystem system = (InternalDistributedSystem) cache.getDistributedSystem();
    String pwd = system.getConfig().getRedisPassword();
    final byte[] pwdB = Coder.stringToBytes(pwd);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(socketClass).childHandler(new ChannelInitializer<SocketChannel>() {

        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            if (logger.fineEnabled())
                logger.fine("GeodeRedisServer-Connection established with " + ch.remoteAddress());
            ChannelPipeline p = ch.pipeline();
            p.addLast(ByteToCommandDecoder.class.getSimpleName(), new ByteToCommandDecoder());
            p.addLast(ExecutionHandlerContext.class.getSimpleName(), new ExecutionHandlerContext(ch, cache, regionCache, GeodeRedisServer.this, pwdB));
        }
    }).option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.SO_RCVBUF, getBufferSize()).childOption(ChannelOption.SO_KEEPALIVE, true).childOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, GeodeRedisServer.connectTimeoutMillis).childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    // Bind and start to accept incoming connections.
    ChannelFuture f = b.bind(new InetSocketAddress(getBindAddress(), serverPort)).sync();
    if (this.logger.infoEnabled()) {
        String logMessage = "GeodeRedisServer started {" + getBindAddress() + ":" + serverPort + "}, Selector threads: " + this.numSelectorThreads;
        if (this.singleThreadPerConnection)
            logMessage += ", One worker thread per connection";
        else
            logMessage += ", Worker threads: " + this.numWorkerThreads;
        this.logger.info(logMessage);
    }
    this.serverChannel = f.channel();
}

Example 10 with ChannelInitializer

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelInitializer in project tesla by linking12.

the class HttpProxyServer method doStart.

private void doStart() {
    ServerBootstrap serverBootstrap = new ServerBootstrap().group(serverGroup.getClientToProxyAcceptorPoolForTransport(), serverGroup.getClientToProxyWorkerPoolForTransport());
    ChannelInitializer<Channel> initializer = new ChannelInitializer<Channel>() {

        protected void initChannel(Channel ch) throws Exception {
            new ClientToProxyConnection(HttpProxyServer.this, ch.pipeline(), globalTrafficShapingHandler);
        }
    };
    serverBootstrap.channelFactory(new ChannelFactory<ServerChannel>() {

        public ServerChannel newChannel() {
            return new NioServerSocketChannel();
        }
    });
    serverBootstrap.childHandler(initializer);
    ChannelFuture future = serverBootstrap.bind(requestedAddress).addListener(new ChannelFutureListener() {

        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                registerChannel(future.channel());
            }
        }
    }).awaitUninterruptibly();
    Throwable cause = future.cause();
    if (cause != null) {
        throw new RuntimeException(cause);
    }
    this.boundAddress = ((InetSocketAddress) future.channel().localAddress());
    LOG.info("Proxy started at address: " + this.boundAddress);
    Runtime.getRuntime().addShutdownHook(jvmShutdownHook);
}