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

Example 61 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project xian by happyyangyuan.

the class RpcNettyClient method lazyInit.

/**
 * @param nodeId The node's id to which you want to initialize the connection. This method is thread-safe because it is synchronized.
 * @throws info.xiancloud.plugin.distribution.exception.ApplicationInstanceOfflineException Because the destination node is offline, of cause you cannot initialize the connection.
 * @throws Exception                                                                        Other unknown exceptions.
 */
private static void lazyInit(String nodeId) throws Exception {
    lock.lock();
    String host = null;
    int port = -1;
    try {
        if (channelAvailable(nodeId)) {
            LOG.debug(String.format("RpcClient:已经存在一个与%s的长连接，不再新建连接.", nodeId));
            return;
        }
        LOG.info(String.format("RpcClient:开始新建与%s的长连接...", nodeId));
        ApplicationInstance node = ApplicationRouter.singleton.getInstance(nodeId);
        // 如果是在同一台主机内部部署的两个节点，那么避免走交换机、路由器了
        host = Objects.equals(node.getAddress(), EnvUtil.getLocalIp()) ? "127.0.0.1" : node.getAddress();
        port = node.getPort();
        final SslContext sslCtx;
        if (SSL) {
            sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
        } else {
            sslCtx = null;
        }
        EventLoopGroup group = new NioEventLoopGroup(1);
        Bootstrap b = new Bootstrap();
        b.group(group).option(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(// 10m
        10 * 1024 * 1024, // 20m
        20 * 1024 * 1024)).channel(NioSocketChannel.class).handler(new RpcNettyClientInitializer(sslCtx, nodeId)).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 100);
        Channel connectedChannel = b.connect(host, port).sync().channel();
        connectedChannel.closeFuture().addListener(future -> {
            group.shutdownGracefully();
            LOG.info("The EventLoopGroup has been terminated completely and all Channels that belong to the group have been closed.");
        });
        nodeId_to_connectedChannel_map.put(nodeId, connectedChannel);
        LOG.info(new JSONObject() {

            {
                put("toNodeId", nodeId);
                put("rpcRemoteAddress", connectedChannel.remoteAddress().toString());
                put("type", "rpcChannelConnected");
                put("description", String.format("RpcClient:与%s的长连接建立完毕, remoteAddress=%s", nodeId, connectedChannel.remoteAddress()));
            }
        }.toJSONString());
    } catch (Throwable e) {
        throw new Exception(String.format("与远程节点%s建立长连接失败:host=%s,port=%s", nodeId, host, port), e);
    } finally {
        lock.unlock();
    }
}

Example 62 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project bgpcep by opendaylight.

the class BGPDispatcherImpl method createClient.

@VisibleForTesting
public synchronized Future<BGPSessionImpl> createClient(final InetSocketAddress localAddress, final InetSocketAddress remoteAddress, final int retryTimer, final boolean reuseAddress) {
    final Bootstrap clientBootStrap = createClientBootStrap(KeyMapping.getKeyMapping(), reuseAddress);
    clientBootStrap.localAddress(localAddress);
    return createClient(remoteAddress, retryTimer, clientBootStrap);
}

Example 63 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project bgpcep by opendaylight.

the class BmpDispatcherImpl method createClient.

@Override
public ChannelFuture createClient(final InetSocketAddress remoteAddress, final BmpSessionListenerFactory slf, final KeyMapping keys) {
    final Bootstrap bootstrap = createClientBootstrap(this.sessionFactory, this.hf, BmpDispatcherUtil::createChannelWithDecoder, slf, remoteAddress, this.workerGroup, CONNECT_TIMEOUT, keys);
    final ChannelFuture channelPromise = bootstrap.connect();
    channelPromise.addListener(new BootstrapListener(bootstrap, remoteAddress, slf, keys));
    LOG.debug("Initiated BMP Client {} at {}.", channelPromise, remoteAddress);
    return channelPromise;
}

Example 64 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project bgpcep by opendaylight.

the class BmpDispatcherUtil method createClientBootstrap.

public static Bootstrap createClientBootstrap(@Nonnull final BmpSessionFactory sessionFactory, @Nonnull final BmpHandlerFactory hf, @Nonnull CreateChannel createChannel, @Nonnull final BmpSessionListenerFactory slf, @Nonnull final InetSocketAddress remoteAddress, @Nullable final SocketAddress localAddress, @Nonnull final EventLoopGroup workerGroup, final int connectTimeout, @Nonnull final KeyMapping keys, boolean reuseAddress, boolean tryEpollSocket) {
    final Bootstrap bootstrap = new Bootstrap();
    bootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);
    bootstrap.option(ChannelOption.SO_KEEPALIVE, true);
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout);
    bootstrap.group(workerGroup);
    bootstrap.handler(createChannel.create(sessionFactory, hf, slf));
    if (localAddress != null) {
        bootstrap.localAddress(localAddress);
    }
    bootstrap.remoteAddress(remoteAddress);
    if (!tryEpollSocket) {
        bootstrap.channel(NioSocketChannel.class);
    } else {
        if (Epoll.isAvailable()) {
            bootstrap.channel(EpollSocketChannel.class);
        } else {
            bootstrap.channel(NioSocketChannel.class);
        }
        if (!keys.isEmpty()) {
            if (Epoll.isAvailable()) {
                bootstrap.option(EpollChannelOption.TCP_MD5SIG, keys);
            } else {
                throw new UnsupportedOperationException(Epoll.unavailabilityCause().getCause());
            }
        }
    }
    return bootstrap;
}

Example 65 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project incubator-pulsar by apache.

the class DiscoveryServiceTest method connectToService.

/**
 * creates ClientHandler channel to connect and communicate with server
 *
 * @param serviceUrl
 * @param latch
 * @return
 * @throws URISyntaxException
 */
public static NioEventLoopGroup connectToService(String serviceUrl, CountDownLatch latch, boolean tls) throws URISyntaxException {
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();
    Bootstrap b = new Bootstrap();
    b.group(workerGroup);
    b.channel(NioSocketChannel.class);
    b.handler(new ChannelInitializer<SocketChannel>() {

        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            if (tls) {
                SslContextBuilder builder = SslContextBuilder.forClient();
                builder.trustManager(InsecureTrustManagerFactory.INSTANCE);
                X509Certificate[] certificates = SecurityUtility.loadCertificatesFromPemFile(TLS_CLIENT_CERT_FILE_PATH);
                PrivateKey privateKey = SecurityUtility.loadPrivateKeyFromPemFile(TLS_CLIENT_KEY_FILE_PATH);
                builder.keyManager(privateKey, (X509Certificate[]) certificates);
                SslContext sslCtx = builder.build();
                ch.pipeline().addLast("tls", sslCtx.newHandler(ch.alloc()));
            }
            ch.pipeline().addLast(new ClientHandler(latch));
        }
    });
    URI uri = new URI(serviceUrl);
    InetSocketAddress serviceAddress = new InetSocketAddress(uri.getHost(), uri.getPort());
    b.connect(serviceAddress).addListener((ChannelFuture future) -> {
        if (!future.isSuccess()) {
            throw new IllegalStateException(future.cause());
        }
    });
    return workerGroup;
}