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

Example 1 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project vert.x by eclipse.

the class NetClientImpl method connect.

private void connect(int port, String host, Handler<AsyncResult<NetSocket>> connectHandler, int remainingAttempts) {
    Objects.requireNonNull(host, "No null host accepted");
    Objects.requireNonNull(connectHandler, "No null connectHandler accepted");
    ContextImpl context = vertx.getOrCreateContext();
    sslHelper.validate(vertx);
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(context.nettyEventLoop());
    bootstrap.channel(NioSocketChannel.class);
    applyConnectionOptions(bootstrap);
    ChannelProvider channelProvider;
    if (options.getProxyOptions() == null) {
        channelProvider = ChannelProvider.INSTANCE;
    } else {
        channelProvider = ProxyChannelProvider.INSTANCE;
    }
    Handler<Channel> channelInitializer = ch -> {
        if (sslHelper.isSSL()) {
            SslHandler sslHandler = sslHelper.createSslHandler(vertx, host, port);
            ch.pipeline().addLast("ssl", sslHandler);
        }
        ChannelPipeline pipeline = ch.pipeline();
        if (logEnabled) {
            pipeline.addLast("logging", new LoggingHandler());
        }
        if (sslHelper.isSSL()) {
            pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
        }
        if (options.getIdleTimeout() > 0) {
            pipeline.addLast("idle", new IdleStateHandler(0, 0, options.getIdleTimeout()));
        }
        pipeline.addLast("handler", new VertxNetHandler<NetSocketImpl>(ch, socketMap) {

            @Override
            protected void handleMsgReceived(Object msg) {
                ByteBuf buf = (ByteBuf) msg;
                conn.handleDataReceived(Buffer.buffer(buf));
            }
        });
    };
    Handler<AsyncResult<Channel>> channelHandler = res -> {
        if (res.succeeded()) {
            Channel ch = res.result();
            if (sslHelper.isSSL()) {
                SslHandler sslHandler = (SslHandler) ch.pipeline().get("ssl");
                io.netty.util.concurrent.Future<Channel> fut = sslHandler.handshakeFuture();
                fut.addListener(future2 -> {
                    if (future2.isSuccess()) {
                        connected(context, ch, connectHandler, host, port);
                    } else {
                        failed(context, ch, future2.cause(), connectHandler);
                    }
                });
            } else {
                connected(context, ch, connectHandler, host, port);
            }
        } else {
            if (remainingAttempts > 0 || remainingAttempts == -1) {
                context.executeFromIO(() -> {
                    log.debug("Failed to create connection. Will retry in " + options.getReconnectInterval() + " milliseconds");
                    vertx.setTimer(options.getReconnectInterval(), tid -> connect(port, host, connectHandler, remainingAttempts == -1 ? remainingAttempts : remainingAttempts - 1));
                });
            } else {
                failed(context, null, res.cause(), connectHandler);
            }
        }
    };
    channelProvider.connect(vertx, bootstrap, options.getProxyOptions(), host, port, channelInitializer, channelHandler);
}

Example 2 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project vert.x by eclipse.

the class HostnameResolutionTest method testAsyncResolveConnectIsNotifiedOnChannelEventLoop.

@Test
public void testAsyncResolveConnectIsNotifiedOnChannelEventLoop() throws Exception {
    CountDownLatch listenLatch = new CountDownLatch(1);
    NetServer s = vertx.createNetServer().connectHandler(so -> {
    });
    s.listen(1234, "localhost", onSuccess(v -> listenLatch.countDown()));
    awaitLatch(listenLatch);
    AtomicReference<Thread> channelThread = new AtomicReference<>();
    CountDownLatch connectLatch = new CountDownLatch(1);
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.channel(NioSocketChannel.class);
    bootstrap.group(vertx.nettyEventLoopGroup());
    bootstrap.resolver(((VertxInternal) vertx).nettyAddressResolverGroup());
    bootstrap.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            channelThread.set(Thread.currentThread());
            connectLatch.countDown();
        }
    });
    ChannelFuture channelFut = bootstrap.connect("localhost", 1234);
    awaitLatch(connectLatch);
    channelFut.addListener(v -> {
        assertTrue(v.isSuccess());
        assertEquals(channelThread.get(), Thread.currentThread());
        testComplete();
    });
    await();
}

Example 3 with Bootstrap

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

the class FanOutOneBlockAsyncDFSOutputHelper method connectToDataNodes.

private static List<Future<Channel>> connectToDataNodes(Configuration conf, DFSClient client, String clientName, LocatedBlock locatedBlock, long maxBytesRcvd, long latestGS, BlockConstructionStage stage, DataChecksum summer, EventLoop eventLoop) {
    Enum<?>[] storageTypes = locatedBlock.getStorageTypes();
    DatanodeInfo[] datanodeInfos = locatedBlock.getLocations();
    boolean connectToDnViaHostname = conf.getBoolean(DFS_CLIENT_USE_DN_HOSTNAME, DFS_CLIENT_USE_DN_HOSTNAME_DEFAULT);
    int timeoutMs = conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT);
    ExtendedBlock blockCopy = new ExtendedBlock(locatedBlock.getBlock());
    blockCopy.setNumBytes(locatedBlock.getBlockSize());
    ClientOperationHeaderProto header = ClientOperationHeaderProto.newBuilder().setBaseHeader(BaseHeaderProto.newBuilder().setBlock(PB_HELPER.convert(blockCopy)).setToken(PB_HELPER.convert(locatedBlock.getBlockToken()))).setClientName(clientName).build();
    ChecksumProto checksumProto = DataTransferProtoUtil.toProto(summer);
    OpWriteBlockProto.Builder writeBlockProtoBuilder = OpWriteBlockProto.newBuilder().setHeader(header).setStage(OpWriteBlockProto.BlockConstructionStage.valueOf(stage.name())).setPipelineSize(1).setMinBytesRcvd(locatedBlock.getBlock().getNumBytes()).setMaxBytesRcvd(maxBytesRcvd).setLatestGenerationStamp(latestGS).setRequestedChecksum(checksumProto).setCachingStrategy(CachingStrategyProto.newBuilder().setDropBehind(true).build());
    List<Future<Channel>> futureList = new ArrayList<>(datanodeInfos.length);
    for (int i = 0; i < datanodeInfos.length; i++) {
        DatanodeInfo dnInfo = datanodeInfos[i];
        Enum<?> storageType = storageTypes[i];
        Promise<Channel> promise = eventLoop.newPromise();
        futureList.add(promise);
        String dnAddr = dnInfo.getXferAddr(connectToDnViaHostname);
        new Bootstrap().group(eventLoop).channel(NioSocketChannel.class).option(CONNECT_TIMEOUT_MILLIS, timeoutMs).handler(new ChannelInitializer<Channel>() {

            @Override
            protected void initChannel(Channel ch) throws Exception {
            // we need to get the remote address of the channel so we can only move on after
            // channel connected. Leave an empty implementation here because netty does not allow
            // a null handler.
            }
        }).connect(NetUtils.createSocketAddr(dnAddr)).addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    initialize(conf, future.channel(), dnInfo, storageType, writeBlockProtoBuilder, timeoutMs, client, locatedBlock.getBlockToken(), promise);
                } else {
                    promise.tryFailure(future.cause());
                }
            }
        });
    }
    return futureList;
}

Example 4 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project failsafe by jhalterman.

the class NettyExample method createBootstrap.

static Bootstrap createBootstrap(EventLoopGroup group) {
    return new Bootstrap().group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {

        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {

                @Override
                public void channelRead(ChannelHandlerContext ctx, Object msg) {
                    ctx.write(msg);
                }

                @Override
                public void channelReadComplete(ChannelHandlerContext ctx) {
                    ctx.flush();
                }

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
                    // Close the connection when an exception is raised.
                    cause.printStackTrace();
                    ctx.close();
                }
            });
        }
    });
}

Example 5 with Bootstrap

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

the class NettyConnector method apply.

@Override
public Future<?> apply(final ClientRequest jerseyRequest, final AsyncConnectorCallback jerseyCallback) {
    final CompletableFuture<Object> settableFuture = new CompletableFuture<>();
    final URI requestUri = jerseyRequest.getUri();
    String host = requestUri.getHost();
    int port = requestUri.getPort() != -1 ? requestUri.getPort() : "https".equals(requestUri.getScheme()) ? 443 : 80;
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                // Enable HTTPS if necessary.
                if ("https".equals(requestUri.getScheme())) {
                    // making client authentication optional for now; it could be extracted to configurable property
                    JdkSslContext jdkSslContext = new JdkSslContext(client.getSslContext(), true, ClientAuth.NONE);
                    p.addLast(jdkSslContext.newHandler(ch.alloc()));
                }
                // http proxy
                Configuration config = jerseyRequest.getConfiguration();
                final Object proxyUri = config.getProperties().get(ClientProperties.PROXY_URI);
                if (proxyUri != null) {
                    final URI u = getProxyUri(proxyUri);
                    final String userName = ClientProperties.getValue(config.getProperties(), ClientProperties.PROXY_USERNAME, String.class);
                    final String password = ClientProperties.getValue(config.getProperties(), ClientProperties.PROXY_PASSWORD, String.class);
                    p.addLast(new HttpProxyHandler(new InetSocketAddress(u.getHost(), u.getPort() == -1 ? 8080 : u.getPort()), userName, password));
                }
                p.addLast(new HttpClientCodec());
                p.addLast(new ChunkedWriteHandler());
                p.addLast(new HttpContentDecompressor());
                p.addLast(new JerseyClientHandler(NettyConnector.this, jerseyRequest, jerseyCallback, settableFuture));
            }
        });
        // connect timeout
        Integer connectTimeout = ClientProperties.getValue(jerseyRequest.getConfiguration().getProperties(), ClientProperties.CONNECT_TIMEOUT, 0);
        if (connectTimeout > 0) {
            b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout);
        }
        // Make the connection attempt.
        final Channel ch = b.connect(host, port).sync().channel();
        // guard against prematurely closed channel
        final GenericFutureListener<io.netty.util.concurrent.Future<? super Void>> closeListener = new GenericFutureListener<io.netty.util.concurrent.Future<? super Void>>() {

            @Override
            public void operationComplete(io.netty.util.concurrent.Future<? super Void> future) throws Exception {
                if (!settableFuture.isDone()) {
                    settableFuture.completeExceptionally(new IOException("Channel closed."));
                }
            }
        };
        ch.closeFuture().addListener(closeListener);
        HttpRequest nettyRequest;
        if (jerseyRequest.hasEntity()) {
            nettyRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.valueOf(jerseyRequest.getMethod()), requestUri.getRawPath());
        } else {
            nettyRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.valueOf(jerseyRequest.getMethod()), requestUri.getRawPath());
        }
        // headers
        for (final Map.Entry<String, List<String>> e : jerseyRequest.getStringHeaders().entrySet()) {
            nettyRequest.headers().add(e.getKey(), e.getValue());
        }
        // host header - http 1.1
        nettyRequest.headers().add(HttpHeaderNames.HOST, jerseyRequest.getUri().getHost());
        if (jerseyRequest.hasEntity()) {
            if (jerseyRequest.getLengthLong() == -1) {
                HttpUtil.setTransferEncodingChunked(nettyRequest, true);
            } else {
                nettyRequest.headers().add(HttpHeaderNames.CONTENT_LENGTH, jerseyRequest.getLengthLong());
            }
        }
        if (jerseyRequest.hasEntity()) {
            // Send the HTTP request.
            ch.writeAndFlush(nettyRequest);
            final JerseyChunkedInput jerseyChunkedInput = new JerseyChunkedInput(ch);
            jerseyRequest.setStreamProvider(new OutboundMessageContext.StreamProvider() {

                @Override
                public OutputStream getOutputStream(int contentLength) throws IOException {
                    return jerseyChunkedInput;
                }
            });
            if (HttpUtil.isTransferEncodingChunked(nettyRequest)) {
                ch.write(new HttpChunkedInput(jerseyChunkedInput));
            } else {
                ch.write(jerseyChunkedInput);
            }
            executorService.execute(new Runnable() {

                @Override
                public void run() {
                    // close listener is not needed any more.
                    ch.closeFuture().removeListener(closeListener);
                    try {
                        jerseyRequest.writeEntity();
                    } catch (IOException e) {
                        jerseyCallback.failure(e);
                        settableFuture.completeExceptionally(e);
                    }
                }
            });
            ch.flush();
        } else {
            // close listener is not needed any more.
            ch.closeFuture().removeListener(closeListener);
            // Send the HTTP request.
            ch.writeAndFlush(nettyRequest);
        }
    } catch (InterruptedException e) {
        settableFuture.completeExceptionally(e);
        return settableFuture;
    }
    return settableFuture;
}