Java Code Examples for org.eclipse.jetty.http2.api.Stream#Listener

@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
    LOG.info("onNewStream");
    if (frame.getMetaData().isRequest()) {
        MetaData.Request request = (MetaData.Request)frame.getMetaData();
        String uriPath = request.getURI().getPath();
        LOG.info("isRequest {} {}", request.getMethod(), uriPath);
        StreamProcessorRegistration streamProcessorRegistration = streamProcessors.get(uriPath);
        if (streamProcessorRegistration != null) {
            LOG.info("diverting to stream processor {}", uriPath);
            return streamProcessorRegistration.getFactory().create(stream);
        }
    }
    getConnection().onNewStream(connector, (IStream)stream, frame);
    return this;
}
 

public Stream createStream(Session session, HttpURI uri, Stream.Listener listener) throws Exception {
    HttpFields requestFields = new HttpFields();
    requestFields.put(USER_AGENT, USER_AGENT_VERSION);
    MetaData.Request request = new MetaData.Request("GET", uri, HttpVersion.HTTP_2, requestFields);
    HeadersFrame headersFrame = new HeadersFrame(request, null, false);
    FuturePromise<Stream> streamPromise = new FuturePromise<>();
    session.newStream(headersFrame, streamPromise, listener);
    return streamPromise.get();
}
 

@Override
public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
    LOG.info("onPush");
    // Servers do not receive pushes.
    close(stream, "push_promise");
    return null;
}
 

@Override
public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
    LOG.info("onPush");
    return null;
}
 

@Override
public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
    return null;
}
 

@Override
public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
    LOG.info("onPush");
    return null;
}
 

@Override
public Stream.Listener create(Stream stream) {
    return new StreamEchoProcessor(echoService);
}
 

@Override
public Stream.Listener create(Stream stream) {
    return new StreamMessageProcessor(stream, messageService);
}
 

public static void main(String[] args) throws Exception {
    long startTime = System.nanoTime();

    // Create and start HTTP2Client.
    HTTP2Client client = new HTTP2Client();
    SslContextFactory sslContextFactory = new SslContextFactory(true);
    client.addBean(sslContextFactory);
    client.start();

    // Connect to host.
    String host = "localhost";
    int port = 8443;

    FuturePromise<Session> sessionPromise = new FuturePromise<>();
    client.connect(sslContextFactory, new InetSocketAddress(host, port), new ServerSessionListener.Adapter(), sessionPromise);

    // Obtain the client Session object.
    Session session = sessionPromise.get(5, TimeUnit.SECONDS);

    // Prepare the HTTP request headers.
    HttpFields requestFields = new HttpFields();
    requestFields.put("User-Agent", client.getClass().getName() + "/" + Jetty.VERSION);
    // Prepare the HTTP request object.
    MetaData.Request request = new MetaData.Request("GET", new HttpURI("https://" + host + ":" + port + "/"), HttpVersion.HTTP_2, requestFields);
    // Create the HTTP/2 HEADERS frame representing the HTTP request.
    HeadersFrame headersFrame = new HeadersFrame(request, null, true);

    // Prepare the listener to receive the HTTP response frames.
    Stream.Listener responseListener = new Stream.Listener.Adapter()
    {
        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback)
        {
            byte[] bytes = new byte[frame.getData().remaining()];
            frame.getData().get(bytes);
            int duration = (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime);
            System.out.println("After " + duration + " seconds: " + new String(bytes));
            callback.succeeded();
        }
    };

    session.newStream(headersFrame, new FuturePromise<>(), responseListener);
    session.newStream(headersFrame, new FuturePromise<>(), responseListener);
    session.newStream(headersFrame, new FuturePromise<>(), responseListener);

    Thread.sleep(TimeUnit.SECONDS.toMillis(20));

    client.stop();
}
 

/**
 * creates an instance of stream listener
 * @param stream
 *   initial stream
 * @return
 *   new instance of stream listener
 */
Stream.Listener create(Stream stream);