Examples with Bootstrap io.netty.bootstrap.Bootstrap used on opensource projects

Example 76 with Bootstrap

use of io.netty.bootstrap.Bootstrap in project async-http-client by AsyncHttpClient.

the class NettyRequestSender method sendRequestWithNewChannel.

private <//
T> //
ListenableFuture<T> sendRequestWithNewChannel(//
Request request, //
ProxyServer proxy, //
NettyResponseFuture<T> future, //
AsyncHandler<T> asyncHandler, boolean performingNextRequest) {
    // some headers are only set when performing the first request
    HttpHeaders headers = future.getNettyRequest().getHttpRequest().headers();
    Realm realm = future.getRealm();
    Realm proxyRealm = future.getProxyRealm();
    requestFactory.addAuthorizationHeader(headers, perConnectionAuthorizationHeader(request, proxy, realm));
    requestFactory.setProxyAuthorizationHeader(headers, perConnectionProxyAuthorizationHeader(request, proxyRealm));
    future.setInAuth(realm != null && realm.isUsePreemptiveAuth() && realm.getScheme() != AuthScheme.NTLM);
    future.setInProxyAuth(proxyRealm != null && proxyRealm.isUsePreemptiveAuth() && proxyRealm.getScheme() != AuthScheme.NTLM);
    // Do not throw an exception when we need an extra connection for a redirect
    // FIXME why? This violate the max connection per host handling, right?
    Bootstrap bootstrap = channelManager.getBootstrap(request.getUri(), proxy);
    Object partitionKey = future.getPartitionKey();
    // we disable channelPreemption when performing next requests
    final boolean acquireChannelLock = !performingNextRequest;
    try {
        // redirect.
        if (acquireChannelLock) {
            // if there's an exception here, channel wasn't preempted and resolve won't happen
            channelManager.acquireChannelLock(partitionKey);
        }
    } catch (Throwable t) {
        abort(null, future, getCause(t));
        // exit and don't try to resolve address
        return future;
    }
    scheduleRequestTimeout(future);
    //
    RequestHostnameResolver.INSTANCE.resolve(request, proxy, asyncHandler).addListener(new SimpleFutureListener<List<InetSocketAddress>>() {

        @Override
        protected void onSuccess(List<InetSocketAddress> addresses) {
            NettyConnectListener<T> connectListener = new NettyConnectListener<>(future, NettyRequestSender.this, channelManager, acquireChannelLock, partitionKey);
            NettyChannelConnector connector = new NettyChannelConnector(request.getLocalAddress(), addresses, asyncHandler, clientState, config);
            if (!future.isDone()) {
                connector.connect(bootstrap, connectListener);
            } else if (acquireChannelLock) {
                channelManager.releaseChannelLock(partitionKey);
            }
        }

        @Override
        protected void onFailure(Throwable cause) {
            if (acquireChannelLock) {
                channelManager.releaseChannelLock(partitionKey);
            }
            abort(null, future, getCause(cause));
        }
    });
    return future;
}

Example 77 with Bootstrap

use of io.netty.bootstrap.Bootstrap in project pulsar by yahoo.

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;
}

Example 78 with Bootstrap

use of io.netty.bootstrap.Bootstrap in project cradle by BingLau7.

the class EchoClient method start.

void start() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        // 指定 EventLoopGroup 以处理客户端时间；需要适用于 NIO 的实现
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).remoteAddress(new InetSocketAddress(host, port)).handler(new ChannelInitializer<SocketChannel>() {

            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new EchoClientHandler());
            }
        });
        // 连接远程节点，阻塞等待直到连接完成
        ChannelFuture f = b.connect().sync();
        // 阻塞，直到 Channel 关闭
        f.channel().closeFuture().sync();
    } finally {
        // 关闭线程池并释放所有的资源
        group.shutdownGracefully().sync();
    }
}

Example 79 with Bootstrap

use of io.netty.bootstrap.Bootstrap in project Glowstone by GlowstoneMC.

the class HttpClient method connect.

public static void connect(String url, EventLoop eventLoop, HttpCallback callback) {
    URI uri = URI.create(url);
    String scheme = uri.getScheme() == null ? "http" : uri.getScheme();
    String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
    int port = uri.getPort();
    SslContext sslCtx = null;
    if ("https".equalsIgnoreCase(scheme)) {
        if (port == -1)
            port = 443;
        try {
            sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
        } catch (SSLException e) {
            callback.error(e);
            return;
        }
    } else if ("http".equalsIgnoreCase(scheme)) {
        if (port == -1)
            port = 80;
    } else {
        throw new IllegalArgumentException("Only http(s) is supported!");
    }
    new Bootstrap().group(eventLoop).resolver(resolverGroup).channel(Epoll.isAvailable() ? EpollSocketChannel.class : NioSocketChannel.class).handler(new HttpChannelInitializer(sslCtx, callback)).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 5000).connect(InetSocketAddress.createUnresolved(host, port)).addListener((ChannelFutureListener) future -> {
        if (future.isSuccess()) {
            String path = uri.getRawPath() + (uri.getRawQuery() == null ? "" : "?" + uri.getRawQuery());
            HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, path);
            request.headers().set(HttpHeaderNames.HOST, host);
            future.channel().writeAndFlush(request);
        } else {
            callback.error(future.cause());
        }
    });
}

Example 80 with Bootstrap

use of io.netty.bootstrap.Bootstrap in project aerospike-client-java by aerospike.

the class NettyCommand method executeCommand.

private void executeCommand() {
    try {
        Node node = command.getNode(cluster);
        conn = (NettyConnection) node.getAsyncConnection(eventState.index, null);
        if (conn != null) {
            InboundHandler handler = (InboundHandler) conn.channel.pipeline().last();
            handler.command = this;
            writeCommand();
            return;
        }
        try {
            final InboundHandler handler = new InboundHandler();
            handler.command = this;
            Bootstrap b = new Bootstrap();
            b.group(eventLoop.eventLoop);
            if (eventLoop.parent.isEpoll) {
                b.channel(EpollSocketChannel.class);
            } else {
                b.channel(NioSocketChannel.class);
            }
            b.option(ChannelOption.TCP_NODELAY, true);
            b.option(ChannelOption.AUTO_READ, false);
            b.handler(new ChannelInitializer<SocketChannel>() {

                @Override
                public void initChannel(SocketChannel ch) {
                    conn = new NettyConnection(ch, cluster.maxSocketIdleNanos);
                    ChannelPipeline p = ch.pipeline();
                    if (eventLoop.parent.sslContext != null) {
                        //InetSocketAddress address = node.getAddress();
                        //p.addLast(eventLoop.parent.sslContext.newHandler(ch.alloc(), address.getHostString(), address.getPort()));
                        p.addLast(eventLoop.parent.sslContext.newHandler(ch.alloc()));
                    }
                    p.addLast(handler);
                }
            });
            b.connect(node.getAddress());
        } catch (Exception e) {
            node.decrAsyncConnection(eventState.index);
            throw e;
        }
        eventState.errors = 0;
    } catch (AerospikeException.Connection ac) {
        eventState.errors++;
        onNetworkError(ac);
    } catch (Exception e) {
        // Fail without retry on unknown errors.
        eventState.errors++;
        fail();
        notifyFailure(new AerospikeException(e));
    }
}