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

Example 36 with NioEventLoopGroup

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

the class PulsarClientImpl method getEventLoopGroup.

private static EventLoopGroup getEventLoopGroup(ClientConfiguration conf) {
    int numThreads = conf.getIoThreads();
    ThreadFactory threadFactory = new DefaultThreadFactory("pulsar-client-io");
    if (SystemUtils.IS_OS_LINUX) {
        try {
            return new EpollEventLoopGroup(numThreads, threadFactory);
        } catch (ExceptionInInitializerError | NoClassDefFoundError | UnsatisfiedLinkError e) {
            if (log.isDebugEnabled()) {
                log.debug("Unable to load EpollEventLoop", e);
            }
            return new NioEventLoopGroup(numThreads, threadFactory);
        }
    } else {
        return new NioEventLoopGroup(numThreads, threadFactory);
    }
}

Example 37 with NioEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoopGroup in project angel by Tencent.

the class MatrixTransportServer method start.

public void start() {
    Configuration conf = context.getConf();
    int workerNum = conf.getInt(AngelConf.ANGEL_NETTY_MATRIXTRANSFER_SERVER_EVENTGROUP_THREADNUM, AngelConf.DEFAULT_ANGEL_NETTY_MATRIXTRANSFER_SERVER_EVENTGROUP_THREADNUM);
    int sendBuffSize = conf.getInt(AngelConf.ANGEL_NETTY_MATRIXTRANSFER_SERVER_SNDBUF, AngelConf.DEFAULT_ANGEL_NETTY_MATRIXTRANSFER_SERVER_SNDBUF);
    int recvBuffSize = conf.getInt(AngelConf.ANGEL_NETTY_MATRIXTRANSFER_SERVER_RCVBUF, AngelConf.DEFAULT_ANGEL_NETTY_MATRIXTRANSFER_SERVER_RCVBUF);
    final int maxMessageSize = conf.getInt(AngelConf.ANGEL_NETTY_MATRIXTRANSFER_MAX_MESSAGE_SIZE, AngelConf.DEFAULT_ANGEL_NETTY_MATRIXTRANSFER_MAX_MESSAGE_SIZE);
    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup(workerNum);
    ((NioEventLoopGroup) workerGroup).setIoRatio(70);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_SNDBUF, sendBuffSize).option(ChannelOption.SO_RCVBUF, recvBuffSize).childHandler(new ChannelInitializer<SocketChannel>() {

        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            p.addLast(new LengthFieldBasedFrameDecoder(maxMessageSize, 0, 4, 0, 4));
            p.addLast(new LengthFieldPrepender(4));
            p.addLast(new MatrixTransportServerHandler(context));
        }
    });
    channelFuture = b.bind(port);
}

Example 38 with NioEventLoopGroup

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

the class EchoClient method start.

public void start() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).remoteAddress(new InetSocketAddress(host, port)).handler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel socketChannel) throws Exception {
                socketChannel.pipeline().addLast(new EchoClientHandler());
            }
        });
        ChannelFuture f = b.connect().sync();
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully().sync();
    }
}

Example 39 with NioEventLoopGroup

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

the class EchoServer method start.

public void start() throws Exception {
    final EchoServerHandler serverHandler = new EchoServerHandler();
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(group).channel(NioServerSocketChannel.class).localAddress(new InetSocketAddress(port)).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel socketChannel) throws Exception {
                socketChannel.pipeline().addLast(serverHandler);
            }
        });
        ChannelFuture f = b.bind().sync();
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully().sync();
    }
}

Example 40 with NioEventLoopGroup

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

the class NettyNioServer method serve.

public void serve(int port) throws InterruptedException {
    final ByteBuf buffer = Unpooled.unreleasableBuffer(Unpooled.copiedBuffer("Hi\r\n", Charset.forName("UTF-8")));
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).handler(new SimpleServerHandler()).localAddress(new InetSocketAddress(port)).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel socketChannel) throws Exception {
                socketChannel.pipeline().addLast(new ChannelInboundHandlerAdapter() {

                    @Override
                    public void channelActive(ChannelHandlerContext ctx) throws Exception {
                        ctx.writeAndFlush(buffer.duplicate()).addListener(ChannelFutureListener.CLOSE);
                    }
                });
            }
        });
        ChannelFuture f = b.bind().sync();
        f.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully().sync();
        workerGroup.shutdownGracefully().sync();
    }
}