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

Example 46 with SocketChannel

use of org.apache.flink.shaded.netty4.io.netty.channel.socket.SocketChannel in project java by wavefrontHQ.

the class StreamIngester method run.

public void run() {
    activeListeners.inc();
    // Configure the server.
    ServerBootstrap b = new ServerBootstrap();
    EventLoopGroup parentGroup;
    EventLoopGroup childGroup;
    Class<? extends ServerChannel> socketChannelClass;
    if (Epoll.isAvailable()) {
        logger.fine("Using native socket transport for port " + listeningPort);
        parentGroup = new EpollEventLoopGroup(1);
        childGroup = new EpollEventLoopGroup();
        socketChannelClass = EpollServerSocketChannel.class;
    } else {
        logger.fine("Using NIO socket transport for port " + listeningPort);
        parentGroup = new NioEventLoopGroup(1);
        childGroup = new NioEventLoopGroup();
        socketChannelClass = NioServerSocketChannel.class;
    }
    try {
        b.group(parentGroup, childGroup).channel(socketChannelClass).option(ChannelOption.SO_BACKLOG, 1024).localAddress(listeningPort).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                pipeline.addLast("frame decoder", frameDecoderFactory.getDecoder());
                pipeline.addLast("byte array decoder", new ByteArrayDecoder());
                pipeline.addLast(commandHandler);
            }
        });
        if (parentChannelOptions != null) {
            for (Map.Entry<ChannelOption<?>, ?> entry : parentChannelOptions.entrySet()) {
                b.option((ChannelOption<Object>) entry.getKey(), entry.getValue());
            }
        }
        if (childChannelOptions != null) {
            for (Map.Entry<ChannelOption<?>, ?> entry : childChannelOptions.entrySet()) {
                b.childOption((ChannelOption<Object>) entry.getKey(), entry.getValue());
            }
        }
        // Start the server.
        ChannelFuture f = b.bind().sync();
        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } catch (final InterruptedException e) {
        logger.log(Level.WARNING, "Interrupted");
        parentGroup.shutdownGracefully();
        childGroup.shutdownGracefully();
        logger.info("Listener on port " + String.valueOf(listeningPort) + " shut down");
    } catch (Exception e) {
        // ChannelFuture throws undeclared checked exceptions, so we need to handle it
        if (e instanceof BindException) {
            logger.severe("Unable to start listener - port " + String.valueOf(listeningPort) + " is already in use!");
        } else {
            logger.log(Level.SEVERE, "StreamIngester exception: ", e);
        }
    } finally {
        activeListeners.dec();
    }
}

Example 47 with SocketChannel

use of org.apache.flink.shaded.netty4.io.netty.channel.socket.SocketChannel 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());
    // EventExecutorGroup executorGroup = new DefaultEventExecutorGroup(HttpConstant.SWIFT_BUSINESS_THREADS, threadFactoryBuilder.setNameFormat("executor-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()));
                }
                // 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(executorGroup, "http-handler", new HttpChannelHandler(handlerMapping));
                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();
        // executorGroup.shutdownGracefully();
        HttpThreadPoolExecutor.shutdownGracefully();
    }
}

Example 48 with SocketChannel

use of org.apache.flink.shaded.netty4.io.netty.channel.socket.SocketChannel in project pancm_project by xuwujing.

the class NettyServerDemo4 method start.

/**
 * Start.
 */
public void start() {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap sbs = new ServerBootstrap().group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(new InetSocketAddress(port)).childHandler(new ChannelInitializer<SocketChannel>() {

            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(new StringDecoder());
                // 绑定自定义业务逻辑
                p.addLast(new NettyServerHandlerDemo4());
            }
        }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);
        // 绑定端口，开始接收进来的连接
        ChannelFuture future = sbs.bind(port).sync();
        System.out.println("Netty服务端启动成功,端口为: " + port);
        // 释放监听
        future.channel().closeFuture().sync();
    } catch (Exception e) {
        // 释放资源
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

Example 49 with SocketChannel

use of org.apache.flink.shaded.netty4.io.netty.channel.socket.SocketChannel in project rocketmq-rocketmq-all-4.1.0-incubating by lirenzuo.

the class NettyRemotingClient method start.

@Override
public void start() {
    this.defaultEventExecutorGroup = new // 
    DefaultEventExecutorGroup(// 
    nettyClientConfig.getClientWorkerThreads(), new ThreadFactory() {

        private AtomicInteger threadIndex = new AtomicInteger(0);

        @Override
        public Thread newThread(Runnable r) {
            return new Thread(r, "NettyClientWorkerThread_" + this.threadIndex.incrementAndGet());
        }
    });
    // netty客户端
    Bootstrap handler = // 
    this.bootstrap.group(this.eventLoopGroupWorker).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_KEEPALIVE, false).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, nettyClientConfig.getConnectTimeoutMillis()).option(ChannelOption.SO_SNDBUF, nettyClientConfig.getClientSocketSndBufSize()).option(ChannelOption.SO_RCVBUF, nettyClientConfig.getClientSocketRcvBufSize()).handler(new ChannelInitializer<SocketChannel>() {

        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(defaultEventExecutorGroup, // 编码
            new NettyEncoder(), // 解码
            new NettyDecoder(), // 心跳检查
            new IdleStateHandler(0, 0, nettyClientConfig.getClientChannelMaxIdleTimeSeconds()), new NettyConnectManageHandler(), new NettyClientHandler());
        }
    });
    this.timer.scheduleAtFixedRate(new TimerTask() {

        @Override
        public void run() {
            try {
                NettyRemotingClient.this.scanResponseTable();
            } catch (Exception e) {
                log.error("scanResponseTable exception", e);
            }
        }
    }, 1000 * 3, 1000);
    if (this.channelEventListener != null) {
        this.nettyEventExecutor.start();
    }
}

Example 50 with SocketChannel

use of org.apache.flink.shaded.netty4.io.netty.channel.socket.SocketChannel in project nuls by nuls-io.

the class NodesManager method removeNode.

public void removeNode(String nodeId, Integer type) {
    if (nodes.containsKey(nodeId)) {
        Node node = nodes.get(nodeId);
        if (null != type && type != node.getType()) {
            return;
        }
        // When other modules call the interface,  close channel first
        if (StringUtils.isNotBlank(node.getChannelId())) {
            SocketChannel channel = NioChannelMap.get(node.getChannelId());
            if (channel != null) {
                channel.close();
                return;
            }
        }
        node.destroy();
        for (String groupName : node.getGroupSet()) {
            removeNodeFromGroup(groupName, nodeId);
        }
        nodes.remove(nodeId);
        getNodeDao().removeNode(NodeTransferTool.toPojo(node));
    }
}