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

Example 26 with EventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.EventLoopGroup 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 27 with EventLoopGroup

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

the class WebsocketChatServer method run.

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(new WebsocketChatServerInitializer()).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);
        System.out.println("WebsocketChatServer 启动了");
        // 绑定端口，开始接收进来的连接
        ChannelFuture f = b.bind(port).sync();
        // 等待服务器  socket 关闭 。
        // 在这个例子中，这不会发生，但你可以优雅地关闭你的服务器。
        f.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
        System.out.println("WebsocketChatServer 关闭了");
    }
}

Example 28 with EventLoopGroup

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

the class UDPServer method startUDPServer.

public void startUDPServer() throws InterruptedException {
    logger.info("Discovery UDPListener started");
    EventLoopGroup group = new NioEventLoopGroup(1);
    while (!shutdown) {
        Bootstrap bootstrap = this.createBootstrap(group);
        channel = bootstrap.bind(address, port).sync().channel();
        channel.closeFuture().sync();
        logger.warn("UDP channel closed. Recreating after 5 sec pause...");
        TimeUnit.SECONDS.sleep(5);
    }
    group.shutdownGracefully().sync();
}

Example 29 with EventLoopGroup

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

the class PeerServerImpl method start.

public void start(InetAddress host, int port) {
    // TODO review listening use
    listening = true;
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    EthereumChannelInitializer ethereumChannelInitializer = ethereumChannelInitializerFactory.newInstance("");
    ethereumListener.trace("Listening on port " + port);
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup);
        b.channel(NioServerSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.option(ChannelOption.MESSAGE_SIZE_ESTIMATOR, DefaultMessageSizeEstimator.DEFAULT);
        b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, config.peerConnectionTimeout());
        b.handler(new LoggingHandler());
        b.childHandler(ethereumChannelInitializer);
        // Start the client.
        logger.info("Listening for incoming connections, port: [{}] ", port);
        logger.info("NodeId: [{}] ", Hex.toHexString(config.nodeId()));
        ChannelFuture f = b.bind(port).sync();
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
        logger.debug("Connection is closed");
        // TODO review listening use
        listening = false;
    } catch (Exception e) {
        logger.debug("Exception: {} ({})", e.getMessage(), e.getClass().getName());
        throw new Error("Server Disconnected");
    } finally {
        workerGroup.shutdownGracefully();
    }
}

Example 30 with EventLoopGroup

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

the class HttpServer method start.

public void start() {
    // 设置线程名称
    ThreadFactoryBuilder threadFactoryBuilder = new ThreadFactoryBuilder();
    EventLoopGroup bossGroup = new NioEventLoopGroup(HttpConstant.SWIFT_BOSS_THREADS, threadFactoryBuilder.setNameFormat("boss-group-%d").build());
    EventLoopGroup workerGroup = new NioEventLoopGroup(HttpConstant.SWIFT_WORKER_THREADS, threadFactoryBuilder.setNameFormat("worker-group-%d").build());
    try {
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                if (ssl) {
                    SelfSignedCertificate ssc = new SelfSignedCertificate();
                    SslContext sslContext = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
                    pipeline.addLast(sslContext.newHandler(ch.alloc()));
                }
                // 超时处理
                pipeline.addLast(new IdleStateHandler(0, 0, HttpConstant.SWIFT_TIMEOUT));
                // http request decode and response encode
                pipeline.addLast(new HttpServerCodec());
                // 将消息头和体聚合成FullHttpRequest和FullHttpResponse
                pipeline.addLast(new HttpObjectAggregator(HttpConstant.SWIFT_MAX_CONTENT_LENGTH));
                // 压缩处理
                pipeline.addLast(new HttpContentCompressor(HttpConstant.SWIFT_COMPRESSION_LEVEL));
                // 自定义http服务
                pipeline.addLast(new HttpChannelHandler(handlerMapping));
            }
        });
        Channel channel = bootstrap.bind(port).sync().channel();
        channel.closeFuture().sync();
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}