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

Example 11 with EventLoopGroup

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

the class FixedChannelPoolTest method testAcquireTimeout.

@Test(expected = TimeoutException.class)
public void testAcquireTimeout() throws Exception {
    EventLoopGroup group = new LocalEventLoopGroup();
    LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
    Bootstrap cb = new Bootstrap();
    cb.remoteAddress(addr);
    cb.group(group).channel(LocalChannel.class);
    ServerBootstrap sb = new ServerBootstrap();
    sb.group(group).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<LocalChannel>() {

        @Override
        public void initChannel(LocalChannel ch) throws Exception {
            ch.pipeline().addLast(new ChannelInboundHandlerAdapter());
        }
    });
    // Start server
    Channel sc = sb.bind(addr).syncUninterruptibly().channel();
    ChannelPoolHandler handler = new TestChannelPoolHandler();
    ChannelPool pool = new FixedChannelPool(cb, handler, ChannelHealthChecker.ACTIVE, AcquireTimeoutAction.FAIL, 500, 1, Integer.MAX_VALUE);
    Channel channel = pool.acquire().syncUninterruptibly().getNow();
    Future<Channel> future = pool.acquire();
    try {
        future.syncUninterruptibly();
    } finally {
        sc.close().syncUninterruptibly();
        channel.close().syncUninterruptibly();
        group.shutdownGracefully();
    }
}

Example 12 with EventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.EventLoopGroup in project cradle by BingLau7.

the class EchoClient method start.

void start() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        // 指定 EventLoopGroup 以处理客户端时间；需要适用于 NIO 的实现
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).remoteAddress(new InetSocketAddress(host, port)).handler(new ChannelInitializer<SocketChannel>() {

            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new EchoClientHandler());
            }
        });
        // 连接远程节点，阻塞等待直到连接完成
        ChannelFuture f = b.connect().sync();
        // 阻塞，直到 Channel 关闭
        f.channel().closeFuture().sync();
    } finally {
        // 关闭线程池并释放所有的资源
        group.shutdownGracefully().sync();
    }
}

Example 13 with EventLoopGroup

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

the class BuildManager method startListening.

private int startListening() throws Exception {
    EventLoopGroup group;
    BuiltInServer mainServer = StartupUtil.getServer();
    boolean isOwnEventLoopGroup = !Registry.is("compiler.shared.event.group", true) || mainServer == null || mainServer.getEventLoopGroup() instanceof OioEventLoopGroup;
    if (isOwnEventLoopGroup) {
        group = new NioEventLoopGroup(1, ConcurrencyUtil.newNamedThreadFactory("External compiler"));
    } else {
        group = mainServer.getEventLoopGroup();
    }
    final ServerBootstrap bootstrap = serverBootstrap(group);
    bootstrap.childHandler(new ChannelInitializer() {

        @Override
        protected void initChannel(@NotNull Channel channel) throws Exception {
            channel.pipeline().addLast(myChannelRegistrar, new ProtobufVarint32FrameDecoder(), new ProtobufDecoder(CmdlineRemoteProto.Message.getDefaultInstance()), new ProtobufVarint32LengthFieldPrepender(), new ProtobufEncoder(), myMessageDispatcher);
        }
    });
    Channel serverChannel = bootstrap.bind(InetAddress.getLoopbackAddress(), 0).syncUninterruptibly().channel();
    myChannelRegistrar.setServerChannel(serverChannel, isOwnEventLoopGroup);
    return ((InetSocketAddress) serverChannel.localAddress()).getPort();
}

Example 14 with EventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.EventLoopGroup in project alluxio by Alluxio.

the class NettyDataServer method createBootstrapOfType.

/**
   * Creates a default {@link io.netty.bootstrap.ServerBootstrap} where the channel and groups are
   * preset.
   *
   * @param type the channel type; current channel types supported are nio and epoll
   * @return an instance of {@code ServerBootstrap}
   */
private ServerBootstrap createBootstrapOfType(final ChannelType type) {
    final ServerBootstrap boot = new ServerBootstrap();
    final int bossThreadCount = Configuration.getInt(PropertyKey.WORKER_NETWORK_NETTY_BOSS_THREADS);
    // If number of worker threads is 0, Netty creates (#processors * 2) threads by default.
    final int workerThreadCount = Configuration.getInt(PropertyKey.WORKER_NETWORK_NETTY_WORKER_THREADS);
    final EventLoopGroup bossGroup = NettyUtils.createEventLoop(type, bossThreadCount, "data-server-boss-%d", false);
    final EventLoopGroup workerGroup = NettyUtils.createEventLoop(type, workerThreadCount, "data-server-worker-%d", false);
    final Class<? extends ServerChannel> socketChannelClass = NettyUtils.getServerChannelClass(type);
    boot.group(bossGroup, workerGroup).channel(socketChannelClass);
    if (type == ChannelType.EPOLL) {
        boot.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    }
    return boot;
}

Example 15 with EventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.EventLoopGroup in project pulsar by yahoo.

the class MockBrokerService method startMockBrokerService.

public void startMockBrokerService() throws Exception {
    ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("mock-pulsar-%s").build();
    final int numThreads = 2;
    final int MaxMessageSize = 5 * 1024 * 1024;
    EventLoopGroup eventLoopGroup;
    try {
        if (SystemUtils.IS_OS_LINUX) {
            try {
                eventLoopGroup = new EpollEventLoopGroup(numThreads, threadFactory);
            } catch (UnsatisfiedLinkError e) {
                eventLoopGroup = new NioEventLoopGroup(numThreads, threadFactory);
            }
        } else {
            eventLoopGroup = new NioEventLoopGroup(numThreads, threadFactory);
        }
        workerGroup = eventLoopGroup;
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(workerGroup, workerGroup);
        if (workerGroup instanceof EpollEventLoopGroup) {
            bootstrap.channel(EpollServerSocketChannel.class);
        } else {
            bootstrap.channel(NioServerSocketChannel.class);
        }
        bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast("frameDecoder", new LengthFieldBasedFrameDecoder(MaxMessageSize, 0, 4, 0, 4));
                ch.pipeline().addLast("handler", new MockServerCnx());
            }
        });
        // Bind and start to accept incoming connections.
        bootstrap.bind(brokerServicePort).sync();
    } catch (Exception e) {
        throw e;
    }
}