Examples with ServerBootstrap org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap used on opensource projects

Example 91 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap 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 92 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project uavstack by uavorg.

the class AbstractHttpServiceComponent2 method start.

@Override
public void start(int port, int backlog, int listenThreadCount, int handleThreadCount, boolean forceExit) {
    EventLoopGroup bossGroup = new NioEventLoopGroup(listenThreadCount);
    EventLoopGroup workerGroup = new NioEventLoopGroup(handleThreadCount);
    server = new ServerBootstrap();
    server.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port).option(ChannelOption.SO_BACKLOG, backlog).childHandler(new HttpServerInitializer(this));
    try {
        this.host = NetworkHelper.getLocalIP();
        this.port = port;
        // Start the server.
        server.bind().sync();
        if (log.isTraceEnable()) {
            log.info(this, "HttpServiceComponent[" + this.cName + "] for feature[" + this.feature + "] started SUCCESS: port=" + this.port);
        }
    } catch (Exception e) {
        log.err(this, "HttpServiceComponent[" + this.cName + "] for feature[" + this.feature + "] starts FAIL.", e);
        if (forceExit == true) {
            System.exit(-1);
        }
    }
}

Example 93 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project chuidiang-ejemplos by chuidiang.

the class Server method run.

public void run() throws Exception {
    // (1)
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        // (2)
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(// (3)
        NioServerSocketChannel.class).childHandler(new // (4)
        ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(serverHandler);
            }
        }).option(ChannelOption.SO_BACKLOG, // (5)
        128).childOption(ChannelOption.SO_KEEPALIVE, // (6)
        true);
        // Bind and start to accept incoming connections.
        // (7)
        ChannelFuture f = b.bind(port).sync();
        // Wait until the server socket is closed.
        // In this example, this does not happen, but you can do that to gracefully
        // shut down your server.
        f.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

Example 94 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project pravega by pravega.

the class ConnectionFactoryImplTest method setUp.

@Before
public void setUp() throws Exception {
    // Configure SSL.
    port = TestUtils.getAvailableListenPort();
    if (ssl) {
        try {
            sslCtx = SslContextBuilder.forServer(new File(SecurityConfigDefaults.TLS_SERVER_CERT_PATH), new File(SecurityConfigDefaults.TLS_SERVER_PRIVATE_KEY_PATH)).build();
        } catch (SSLException e) {
            throw new RuntimeException(e);
        }
    } else {
        sslCtx = null;
    }
    boolean nio = false;
    try {
        bossGroup = new EpollEventLoopGroup(1);
        workerGroup = new EpollEventLoopGroup();
    } catch (ExceptionInInitializerError | UnsatisfiedLinkError | NoClassDefFoundError e) {
        nio = true;
        bossGroup = new NioEventLoopGroup(1);
        workerGroup = new NioEventLoopGroup();
    }
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(nio ? NioServerSocketChannel.class : EpollServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {

        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            if (sslCtx != null) {
                SslHandler handler = sslCtx.newHandler(ch.alloc());
                SSLEngine sslEngine = handler.engine();
                SSLParameters sslParameters = sslEngine.getSSLParameters();
                sslParameters.setEndpointIdentificationAlgorithm("LDAPS");
                sslEngine.setSSLParameters(sslParameters);
                p.addLast(handler);
            }
        }
    });
    // Start the server.
    serverChannel = b.bind("localhost", port).awaitUninterruptibly().channel();
}

Example 95 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project bookkeeper by apache.

the class BookieNettyServer method listenOn.

private void listenOn(InetSocketAddress address, BookieSocketAddress bookieAddress) throws InterruptedException {
    if (!conf.isDisableServerSocketBind()) {
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.childOption(ChannelOption.ALLOCATOR, new PooledByteBufAllocator(true));
        bootstrap.group(eventLoopGroup, eventLoopGroup);
        bootstrap.childOption(ChannelOption.TCP_NODELAY, conf.getServerTcpNoDelay());
        bootstrap.childOption(ChannelOption.SO_LINGER, conf.getServerSockLinger());
        bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, new AdaptiveRecvByteBufAllocator(conf.getRecvByteBufAllocatorSizeMin(), conf.getRecvByteBufAllocatorSizeInitial(), conf.getRecvByteBufAllocatorSizeMax()));
        if (eventLoopGroup instanceof EpollEventLoopGroup) {
            bootstrap.channel(EpollServerSocketChannel.class);
        } else {
            bootstrap.channel(NioServerSocketChannel.class);
        }
        bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                synchronized (suspensionLock) {
                    while (suspended) {
                        suspensionLock.wait();
                    }
                }
                BookieSideConnectionPeerContextHandler contextHandler = new BookieSideConnectionPeerContextHandler();
                ChannelPipeline pipeline = ch.pipeline();
                // For ByteBufList, skip the usual LengthFieldPrepender and have the encoder itself to add it
                pipeline.addLast("bytebufList", ByteBufList.ENCODER_WITH_SIZE);
                pipeline.addLast("lengthbaseddecoder", new LengthFieldBasedFrameDecoder(maxFrameSize, 0, 4, 0, 4));
                pipeline.addLast("lengthprepender", new LengthFieldPrepender(4));
                pipeline.addLast("bookieProtoDecoder", new BookieProtoEncoding.RequestDecoder(registry));
                pipeline.addLast("bookieProtoEncoder", new BookieProtoEncoding.ResponseEncoder(registry));
                pipeline.addLast("bookieAuthHandler", new AuthHandler.ServerSideHandler(contextHandler.getConnectionPeer(), authProviderFactory));
                ChannelInboundHandler requestHandler = isRunning.get() ? new BookieRequestHandler(conf, requestProcessor, allChannels) : new RejectRequestHandler();
                pipeline.addLast("bookieRequestHandler", requestHandler);
                pipeline.addLast("contextHandler", contextHandler);
            }
        });
        // Bind and start to accept incoming connections
        Channel listen = bootstrap.bind(address.getAddress(), address.getPort()).sync().channel();
        if (listen.localAddress() instanceof InetSocketAddress) {
            if (conf.getBookiePort() == 0) {
                conf.setBookiePort(((InetSocketAddress) listen.localAddress()).getPort());
            }
        }
    }
    if (conf.isEnableLocalTransport()) {
        ServerBootstrap jvmBootstrap = new ServerBootstrap();
        jvmBootstrap.childOption(ChannelOption.ALLOCATOR, new PooledByteBufAllocator(true));
        jvmBootstrap.group(jvmEventLoopGroup, jvmEventLoopGroup);
        jvmBootstrap.childOption(ChannelOption.TCP_NODELAY, conf.getServerTcpNoDelay());
        jvmBootstrap.childOption(ChannelOption.SO_KEEPALIVE, conf.getServerSockKeepalive());
        jvmBootstrap.childOption(ChannelOption.SO_LINGER, conf.getServerSockLinger());
        jvmBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, new AdaptiveRecvByteBufAllocator(conf.getRecvByteBufAllocatorSizeMin(), conf.getRecvByteBufAllocatorSizeInitial(), conf.getRecvByteBufAllocatorSizeMax()));
        if (jvmEventLoopGroup instanceof DefaultEventLoopGroup) {
            jvmBootstrap.channel(LocalServerChannel.class);
        } else if (jvmEventLoopGroup instanceof EpollEventLoopGroup) {
            jvmBootstrap.channel(EpollServerSocketChannel.class);
        } else {
            jvmBootstrap.channel(NioServerSocketChannel.class);
        }
        jvmBootstrap.childHandler(new ChannelInitializer<LocalChannel>() {

            @Override
            protected void initChannel(LocalChannel ch) throws Exception {
                synchronized (suspensionLock) {
                    while (suspended) {
                        suspensionLock.wait();
                    }
                }
                BookieSideConnectionPeerContextHandler contextHandler = new BookieSideConnectionPeerContextHandler();
                ChannelPipeline pipeline = ch.pipeline();
                pipeline.addLast("lengthbaseddecoder", new LengthFieldBasedFrameDecoder(maxFrameSize, 0, 4, 0, 4));
                pipeline.addLast("lengthprepender", new LengthFieldPrepender(4));
                pipeline.addLast("bookieProtoDecoder", new BookieProtoEncoding.RequestDecoder(registry));
                pipeline.addLast("bookieProtoEncoder", new BookieProtoEncoding.ResponseEncoder(registry));
                pipeline.addLast("bookieAuthHandler", new AuthHandler.ServerSideHandler(contextHandler.getConnectionPeer(), authProviderFactory));
                ChannelInboundHandler requestHandler = isRunning.get() ? new BookieRequestHandler(conf, requestProcessor, allChannels) : new RejectRequestHandler();
                pipeline.addLast("bookieRequestHandler", requestHandler);
                pipeline.addLast("contextHandler", contextHandler);
            }
        });
        // use the same address 'name', so clients can find local Bookie still discovering them using ZK
        jvmBootstrap.bind(bookieAddress.getLocalAddress()).sync();
        LocalBookiesRegistry.registerLocalBookieAddress(bookieAddress);
    }
}