Examples with HeadersFrame org.eclipse.jetty.http2.frames.HeadersFrame used on opensource projects

Example 96 with HeadersFrame

use of org.eclipse.jetty.http2.frames.HeadersFrame in project jetty.project by eclipse.

the class FlowControlStrategyTest method testFlowControlWithConcurrentSettings.

@Test
public void testFlowControlWithConcurrentSettings() throws Exception {
    // Initial window is 64 KiB. We allow the client to send 1024 B
    // then we change the window to 512 B. At this point, the client
    // must stop sending data (although the initial window allows it).
    final int size = 512;
    // We get 3 data frames: the first of 1024 and 2 of 512 each
    // after the flow control window has been reduced.
    final CountDownLatch dataLatch = new CountDownLatch(3);
    final AtomicReference<Callback> callbackRef = new AtomicReference<>();
    start(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame requestFrame) {
            HttpFields fields = new HttpFields();
            MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, fields);
            HeadersFrame responseFrame = new HeadersFrame(stream.getId(), response, null, true);
            stream.headers(responseFrame, Callback.NOOP);
            return new Stream.Listener.Adapter() {

                private final AtomicInteger dataFrames = new AtomicInteger();

                @Override
                public void onData(Stream stream, DataFrame frame, Callback callback) {
                    dataLatch.countDown();
                    int dataFrameCount = dataFrames.incrementAndGet();
                    if (dataFrameCount == 1) {
                        callbackRef.set(callback);
                        Map<Integer, Integer> settings = new HashMap<>();
                        settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, size);
                        stream.getSession().settings(new SettingsFrame(settings, false), Callback.NOOP);
                    // Do not succeed the callback here.
                    } else if (dataFrameCount > 1) {
                        // Consume the data.
                        callback.succeeded();
                    }
                }
            };
        }
    });
    // Two SETTINGS frames, the initial one and the one we send from the server.
    final CountDownLatch settingsLatch = new CountDownLatch(2);
    Session session = newClient(new Session.Listener.Adapter() {

        @Override
        public void onSettings(Session session, SettingsFrame frame) {
            settingsLatch.countDown();
        }
    });
    MetaData.Request request = newRequest("POST", new HttpFields());
    FuturePromise<Stream> promise = new FuturePromise<>();
    session.newStream(new HeadersFrame(request, null, false), promise, new Stream.Listener.Adapter());
    Stream stream = promise.get(5, TimeUnit.SECONDS);
    // Send first chunk that exceeds the window.
    Callback.Completable completable = new Callback.Completable();
    stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(size * 2), false), completable);
    settingsLatch.await(5, TimeUnit.SECONDS);
    completable.thenRun(() -> {
        // Send the second chunk of data, must not arrive since we're flow control stalled on the client.
        stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(size * 2), true), Callback.NOOP);
    });
    Assert.assertFalse(dataLatch.await(1, TimeUnit.SECONDS));
    // Consume the data arrived to server, this will resume flow control on the client.
    callbackRef.get().succeeded();
    Assert.assertTrue(dataLatch.await(5, TimeUnit.SECONDS));
}

Example 97 with HeadersFrame

use of org.eclipse.jetty.http2.frames.HeadersFrame in project jetty.project by eclipse.

the class HTTP2ClientSession method onHeaders.

@Override
public void onHeaders(HeadersFrame frame) {
    if (LOG.isDebugEnabled())
        LOG.debug("Received {}", frame);
    int streamId = frame.getStreamId();
    IStream stream = getStream(streamId);
    if (stream != null) {
        MetaData metaData = frame.getMetaData();
        if (metaData.isRequest()) {
            onConnectionFailure(ErrorCode.PROTOCOL_ERROR.code, "invalid_response");
        } else {
            stream.process(frame, Callback.NOOP);
            notifyHeaders(stream, frame);
        }
    } else {
        if (LOG.isDebugEnabled())
            LOG.debug("Ignoring {}, stream #{} not found", frame, streamId);
    }
}

Example 98 with HeadersFrame

use of org.eclipse.jetty.http2.frames.HeadersFrame in project jetty.project by eclipse.

the class AsyncIOTest method testLastContentAvailableBeforeService.

@Test
public void testLastContentAvailableBeforeService() throws Exception {
    start(new HttpServlet() {

        @Override
        protected void service(final HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // Wait for the data to fully arrive.
            sleep(1000);
            final AsyncContext asyncContext = request.startAsync();
            asyncContext.setTimeout(0);
            request.getInputStream().setReadListener(new EmptyReadListener() {

                @Override
                public void onDataAvailable() throws IOException {
                    ServletInputStream input = request.getInputStream();
                    while (input.isReady()) {
                        int read = input.read();
                        if (read < 0)
                            break;
                    }
                    if (input.isFinished())
                        asyncContext.complete();
                }
            });
        }
    });
    Session session = newClient(new Session.Listener.Adapter());
    HttpFields fields = new HttpFields();
    MetaData.Request metaData = newRequest("GET", fields);
    HeadersFrame frame = new HeadersFrame(metaData, null, false);
    final CountDownLatch latch = new CountDownLatch(1);
    FuturePromise<Stream> promise = new FuturePromise<>();
    session.newStream(frame, promise, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                latch.countDown();
        }
    });
    Stream stream = promise.get(5, TimeUnit.SECONDS);
    stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.NOOP);
    Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}

Example 99 with HeadersFrame

use of org.eclipse.jetty.http2.frames.HeadersFrame in project jetty.project by eclipse.

the class AsyncIOTest method testLastContentAvailableAfterServiceReturns.

@Test
public void testLastContentAvailableAfterServiceReturns() throws Exception {
    start(new HttpServlet() {

        @Override
        protected void service(final HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            final AsyncContext asyncContext = request.startAsync();
            asyncContext.setTimeout(0);
            request.getInputStream().setReadListener(new EmptyReadListener() {

                @Override
                public void onDataAvailable() throws IOException {
                    ServletInputStream input = request.getInputStream();
                    while (input.isReady()) {
                        int read = input.read();
                        if (read < 0)
                            break;
                    }
                    if (input.isFinished())
                        asyncContext.complete();
                }
            });
        }
    });
    Session session = newClient(new Session.Listener.Adapter());
    HttpFields fields = new HttpFields();
    MetaData.Request metaData = newRequest("GET", fields);
    HeadersFrame frame = new HeadersFrame(metaData, null, false);
    final CountDownLatch latch = new CountDownLatch(1);
    FuturePromise<Stream> promise = new FuturePromise<>();
    session.newStream(frame, promise, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                latch.countDown();
        }
    });
    Stream stream = promise.get(5, TimeUnit.SECONDS);
    // Wait until service() returns.
    Thread.sleep(1000);
    stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), Callback.NOOP);
    Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
}

Example 100 with HeadersFrame

use of org.eclipse.jetty.http2.frames.HeadersFrame in project jetty.project by eclipse.

the class FlowControlStrategyTest method testServerSendsBigContent.

@Test
public void testServerSendsBigContent() throws Exception {
    final byte[] data = new byte[1024 * 1024];
    new Random().nextBytes(data);
    start(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame requestFrame) {
            MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
            HeadersFrame responseFrame = new HeadersFrame(stream.getId(), metaData, null, false);
            Callback.Completable completable = new Callback.Completable();
            stream.headers(responseFrame, completable);
            completable.thenRun(() -> {
                DataFrame dataFrame = new DataFrame(stream.getId(), ByteBuffer.wrap(data), true);
                stream.data(dataFrame, Callback.NOOP);
            });
            return null;
        }
    });
    Session session = newClient(new Session.Listener.Adapter());
    MetaData.Request metaData = newRequest("GET", new HttpFields());
    HeadersFrame requestFrame = new HeadersFrame(metaData, null, true);
    final byte[] bytes = new byte[data.length];
    final CountDownLatch latch = new CountDownLatch(1);
    session.newStream(requestFrame, new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        private int received;

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            int remaining = frame.remaining();
            frame.getData().get(bytes, received, remaining);
            this.received += remaining;
            callback.succeeded();
            if (frame.isEndStream())
                latch.countDown();
        }
    });
    Assert.assertTrue(latch.await(15, TimeUnit.SECONDS));
    Assert.assertArrayEquals(data, bytes);
}