Examples with DefaultEventExecutorGroup io.netty.util.concurrent.DefaultEventExecutorGroup used on opensource projects

Example 11 with DefaultEventExecutorGroup

use of io.netty.util.concurrent.DefaultEventExecutorGroup 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 12 with DefaultEventExecutorGroup

use of io.netty.util.concurrent.DefaultEventExecutorGroup in project CorfuDB by CorfuDB.

the class NettyClientRouter method start.

public void start(long c) {
    shutdown = false;
    if (workerGroup == null || workerGroup.isShutdown() || !channel.isOpen()) {
        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("worker-" + threadNum.getAndIncrement());
                t.setDaemon(true);
                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(this.getClass().getName() + "event-" + threadNum.getAndIncrement());
                t.setDaemon(true);
                return t;
            }
        });
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.option(ChannelOption.SO_REUSEADDR, true);
        b.option(ChannelOption.TCP_NODELAY, true);
        NettyClientRouter router = this;
        b.handler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                if (tlsEnabled) {
                    ch.pipeline().addLast("ssl", sslContext.newHandler(ch.alloc()));
                }
                ch.pipeline().addLast(new LengthFieldPrepender(4));
                ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                if (saslPlainTextEnabled) {
                    PlainTextSaslNettyClient saslNettyClient = SaslUtils.enableSaslPlainText(saslPlainTextUsernameFile, saslPlainTextPasswordFile);
                    ch.pipeline().addLast("sasl/plain-text", saslNettyClient);
                }
                ch.pipeline().addLast(ee, new NettyCorfuMessageDecoder());
                ch.pipeline().addLast(ee, new NettyCorfuMessageEncoder());
                ch.pipeline().addLast(ee, router);
            }
        });
        try {
            connectChannel(b, c);
        } catch (Exception e) {
            try {
                // shutdown EventLoopGroup
                workerGroup.shutdownGracefully().sync();
            } catch (InterruptedException ie) {
            }
            throw new NetworkException(e.getClass().getSimpleName() + " connecting to endpoint failed", host + ":" + port, e);
        }
    }
}

Example 13 with DefaultEventExecutorGroup

use of io.netty.util.concurrent.DefaultEventExecutorGroup in project netty by netty.

the class DefaultChannelPipelineTest method testNotPinExecutor.

@Test
public void testNotPinExecutor() {
    EventExecutorGroup group = new DefaultEventExecutorGroup(2);
    ChannelPipeline pipeline = new LocalChannel().pipeline();
    pipeline.channel().config().setOption(ChannelOption.SINGLE_EVENTEXECUTOR_PER_GROUP, false);
    pipeline.addLast(group, "h1", new ChannelInboundHandlerAdapter());
    pipeline.addLast(group, "h2", new ChannelInboundHandlerAdapter());
    EventExecutor executor1 = pipeline.context("h1").executor();
    EventExecutor executor2 = pipeline.context("h2").executor();
    assertNotNull(executor1);
    assertNotNull(executor2);
    assertNotSame(executor1, executor2);
    group.shutdownGracefully(0, 0, TimeUnit.SECONDS);
}

Example 14 with DefaultEventExecutorGroup

use of io.netty.util.concurrent.DefaultEventExecutorGroup in project netty by netty.

the class TrafficShapingHandlerTest method createGroup.

@BeforeClass
public static void createGroup() {
    logger.info("Bandwidth: " + minfactor + " <= " + bandwidthFactor + " <= " + maxfactor + " StepMs: " + stepms + " MinMs: " + minimalms + " CheckMs: " + check);
    group = new DefaultEventExecutorGroup(8);
    groupForGlobal = new DefaultEventExecutorGroup(8);
}

Example 15 with DefaultEventExecutorGroup

use of io.netty.util.concurrent.DefaultEventExecutorGroup in project netty by netty.

the class LocalTransportThreadModelTest method testConcurrentMessageBufferAccess.

@Test(timeout = 30000)
@Ignore
public void testConcurrentMessageBufferAccess() throws Throwable {
    EventLoopGroup l = new DefaultEventLoopGroup(4, new DefaultThreadFactory("l"));
    EventExecutorGroup e1 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e1"));
    EventExecutorGroup e2 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e2"));
    EventExecutorGroup e3 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e3"));
    EventExecutorGroup e4 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e4"));
    EventExecutorGroup e5 = new DefaultEventExecutorGroup(4, new DefaultThreadFactory("e5"));
    try {
        final MessageForwarder1 h1 = new MessageForwarder1();
        final MessageForwarder2 h2 = new MessageForwarder2();
        final MessageForwarder3 h3 = new MessageForwarder3();
        final MessageForwarder1 h4 = new MessageForwarder1();
        final MessageForwarder2 h5 = new MessageForwarder2();
        final MessageDiscarder h6 = new MessageDiscarder();
        final Channel ch = new LocalChannel();
        // inbound:  int -> byte[4] -> int -> int -> byte[4] -> int -> /dev/null
        // outbound: int -> int -> byte[4] -> int -> int -> byte[4] -> /dev/null
        ch.pipeline().addLast(h1).addLast(e1, h2).addLast(e2, h3).addLast(e3, h4).addLast(e4, h5).addLast(e5, h6);
        l.register(ch).sync().channel().connect(localAddr).sync();
        final int ROUNDS = 1024;
        final int ELEMS_PER_ROUNDS = 8192;
        final int TOTAL_CNT = ROUNDS * ELEMS_PER_ROUNDS;
        for (int i = 0; i < TOTAL_CNT; ) {
            final int start = i;
            final int end = i + ELEMS_PER_ROUNDS;
            i = end;
            ch.eventLoop().execute(new Runnable() {

                @Override
                public void run() {
                    for (int j = start; j < end; j++) {
                        ch.pipeline().fireChannelRead(Integer.valueOf(j));
                    }
                }
            });
        }
        while (h1.inCnt < TOTAL_CNT || h2.inCnt < TOTAL_CNT || h3.inCnt < TOTAL_CNT || h4.inCnt < TOTAL_CNT || h5.inCnt < TOTAL_CNT || h6.inCnt < TOTAL_CNT) {
            if (h1.exception.get() != null) {
                throw h1.exception.get();
            }
            if (h2.exception.get() != null) {
                throw h2.exception.get();
            }
            if (h3.exception.get() != null) {
                throw h3.exception.get();
            }
            if (h4.exception.get() != null) {
                throw h4.exception.get();
            }
            if (h5.exception.get() != null) {
                throw h5.exception.get();
            }
            if (h6.exception.get() != null) {
                throw h6.exception.get();
            }
            Thread.sleep(10);
        }
        for (int i = 0; i < TOTAL_CNT; ) {
            final int start = i;
            final int end = i + ELEMS_PER_ROUNDS;
            i = end;
            ch.pipeline().context(h6).executor().execute(new Runnable() {

                @Override
                public void run() {
                    for (int j = start; j < end; j++) {
                        ch.write(Integer.valueOf(j));
                    }
                    ch.flush();
                }
            });
        }
        while (h1.outCnt < TOTAL_CNT || h2.outCnt < TOTAL_CNT || h3.outCnt < TOTAL_CNT || h4.outCnt < TOTAL_CNT || h5.outCnt < TOTAL_CNT || h6.outCnt < TOTAL_CNT) {
            if (h1.exception.get() != null) {
                throw h1.exception.get();
            }
            if (h2.exception.get() != null) {
                throw h2.exception.get();
            }
            if (h3.exception.get() != null) {
                throw h3.exception.get();
            }
            if (h4.exception.get() != null) {
                throw h4.exception.get();
            }
            if (h5.exception.get() != null) {
                throw h5.exception.get();
            }
            if (h6.exception.get() != null) {
                throw h6.exception.get();
            }
            Thread.sleep(10);
        }
        ch.close().sync();
    } finally {
        l.shutdownGracefully();
        e1.shutdownGracefully();
        e2.shutdownGracefully();
        e3.shutdownGracefully();
        e4.shutdownGracefully();
        e5.shutdownGracefully();
        l.terminationFuture().sync();
        e1.terminationFuture().sync();
        e2.terminationFuture().sync();
        e3.terminationFuture().sync();
        e4.terminationFuture().sync();
        e5.terminationFuture().sync();
    }
}