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

Example 91 with ChannelFuture

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFuture in project java-in-action by xinghalo.

the class SubReqClient method connect.

public void connect(int port, String host) throws Exception {
    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
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new ObjectDecoder(1024, ClassResolvers.cacheDisabled(this.getClass().getClassLoader())));
                ch.pipeline().addLast(new ObjectEncoder());
                ch.pipeline().addLast(new SubReqClientHandler());
            }
        });
        ChannelFuture f = b.connect(host, port).sync();
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully().sync();
    }
}

Example 92 with ChannelFuture

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFuture in project intellij-plugins by JetBrains.

the class PreviewStaticServer method sendResource.

private static void sendResource(@NotNull HttpRequest request, @NotNull Channel channel, @NotNull Class<?> clazz, @NotNull String resourceName) {
    final String fileName = resourceName.substring(resourceName.lastIndexOf('/') + 1);
    final HttpResponse response = FileResponses.INSTANCE.prepareSend(request, channel, 0, fileName, EmptyHttpHeaders.INSTANCE);
    if (response == null) {
        return;
    }
    Responses.addKeepAliveIfNeed(response, request);
    try (final InputStream resource = clazz.getResourceAsStream(resourceName)) {
        if (resource == null) {
            Responses.send(HttpResponseStatus.NOT_FOUND, channel, request);
            return;
        }
        channel.write(response);
        if (request.method() != HttpMethod.HEAD) {
            channel.write(new ChunkedStream(resource));
        }
    } catch (IOException ignored) {
    }
    final ChannelFuture future = channel.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    future.addListener(ChannelFutureListener.CLOSE);
}

Example 93 with ChannelFuture

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFuture in project intellij-plugins by JetBrains.

the class PreviewStaticServer method sendInlineStyle.

private void sendInlineStyle(@NotNull HttpRequest request, @NotNull Channel channel) {
    final HttpResponse response = FileResponses.INSTANCE.prepareSend(request, channel, myInlineStyleTimestamp, INLINE_CSS_FILENAME, EmptyHttpHeaders.INSTANCE);
    if (response == null) {
        return;
    }
    Responses.addKeepAliveIfNeed(response, request);
    if (myInlineStyle == null) {
        Responses.send(HttpResponseStatus.NOT_FOUND, channel, request);
        return;
    }
    channel.write(response);
    if (request.method() != HttpMethod.HEAD) {
        channel.write(new ChunkedStream(new ByteArrayInputStream(myInlineStyle.getBytes(CharsetToolkit.UTF8_CHARSET))));
    }
    final ChannelFuture future = channel.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    future.addListener(ChannelFutureListener.CLOSE);
}

Example 94 with ChannelFuture

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFuture 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 95 with ChannelFuture

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

the class NettyClientRouter method stop.

@Override
public void stop(boolean shutdown) {
    // A very hasty check of Netty state-of-the-art is that shutting down
    // the worker threads is tricksy or impossible.
    this.shutdown = shutdown;
    connected = false;
    if (shutdown) {
        try {
            ChannelFuture cf = channel.close();
            cf.syncUninterruptibly();
            cf.awaitUninterruptibly(1000);
        } catch (Exception e) {
            log.error("Error in closing channel");
        }
        try {
            ee.shutdownGracefully().sync();
            workerGroup.shutdownGracefully().sync();
        } catch (InterruptedException e) {
            log.error("Interrupted exception in shutting event pool : {}", e);
        }
    } else {
        ChannelFuture cf = channel.disconnect();
        cf.syncUninterruptibly();
        boolean b1 = cf.awaitUninterruptibly(1000);
    }
}