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

Example 11 with SettingsFrame

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

the class HTTP2Test method testMaxConcurrentStreams.

@Test
public void testMaxConcurrentStreams() throws Exception {
    int maxStreams = 2;
    start(new ServerSessionListener.Adapter() {

        @Override
        public Map<Integer, Integer> onPreface(Session session) {
            Map<Integer, Integer> settings = new HashMap<>(1);
            settings.put(SettingsFrame.MAX_CONCURRENT_STREAMS, maxStreams);
            return settings;
        }

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, HttpStatus.OK_200, new HttpFields(), 0);
            stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
            return null;
        }
    });
    CountDownLatch settingsLatch = new CountDownLatch(1);
    Session session = newClient(new Session.Listener.Adapter() {

        @Override
        public void onSettings(Session session, SettingsFrame frame) {
            settingsLatch.countDown();
        }
    });
    Assert.assertTrue(settingsLatch.await(5, TimeUnit.SECONDS));
    MetaData.Request request1 = newRequest("GET", new HttpFields());
    FuturePromise<Stream> promise1 = new FuturePromise<>();
    CountDownLatch exchangeLatch1 = new CountDownLatch(2);
    session.newStream(new HeadersFrame(request1, null, false), promise1, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                exchangeLatch1.countDown();
        }
    });
    Stream stream1 = promise1.get(5, TimeUnit.SECONDS);
    MetaData.Request request2 = newRequest("GET", new HttpFields());
    FuturePromise<Stream> promise2 = new FuturePromise<>();
    CountDownLatch exchangeLatch2 = new CountDownLatch(2);
    session.newStream(new HeadersFrame(request2, null, false), promise2, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                exchangeLatch2.countDown();
        }
    });
    Stream stream2 = promise2.get(5, TimeUnit.SECONDS);
    // The third stream must not be created.
    MetaData.Request request3 = newRequest("GET", new HttpFields());
    CountDownLatch maxStreamsLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(request3, null, false), new Promise.Adapter<Stream>() {

        @Override
        public void failed(Throwable x) {
            if (x instanceof IllegalStateException)
                maxStreamsLatch.countDown();
        }
    }, new Stream.Listener.Adapter());
    Assert.assertTrue(maxStreamsLatch.await(5, TimeUnit.SECONDS));
    Assert.assertEquals(2, session.getStreams().size());
    // End the second stream.
    stream2.data(new DataFrame(stream2.getId(), BufferUtil.EMPTY_BUFFER, true), new Callback() {

        @Override
        public void succeeded() {
            exchangeLatch2.countDown();
        }
    });
    Assert.assertTrue(exchangeLatch2.await(5, TimeUnit.SECONDS));
    Assert.assertEquals(1, session.getStreams().size());
    // Create a fourth stream.
    MetaData.Request request4 = newRequest("GET", new HttpFields());
    CountDownLatch exchangeLatch4 = new CountDownLatch(2);
    session.newStream(new HeadersFrame(request4, null, true), new Promise.Adapter<Stream>() {

        @Override
        public void succeeded(Stream result) {
            exchangeLatch4.countDown();
        }
    }, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                exchangeLatch4.countDown();
        }
    });
    Assert.assertTrue(exchangeLatch4.await(5, TimeUnit.SECONDS));
    Assert.assertEquals(1, session.getStreams().size());
    // End the first stream.
    stream1.data(new DataFrame(stream1.getId(), BufferUtil.EMPTY_BUFFER, true), new Callback() {

        @Override
        public void succeeded() {
            exchangeLatch1.countDown();
        }
    });
    Assert.assertTrue(exchangeLatch2.await(5, TimeUnit.SECONDS));
    Assert.assertEquals(0, session.getStreams().size());
}

Example 12 with SettingsFrame

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

the class HTTP2ServerTest method testRequestResponseNoContent.

@Test
public void testRequestResponseNoContent() throws Exception {
    final CountDownLatch latch = new CountDownLatch(3);
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            latch.countDown();
        }
    });
    ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
    generator.control(lease, new PrefaceFrame());
    generator.control(lease, new SettingsFrame(new HashMap<>(), false));
    MetaData.Request metaData = newRequest("GET", new HttpFields());
    generator.control(lease, new HeadersFrame(1, metaData, null, true));
    try (Socket client = new Socket("localhost", connector.getLocalPort())) {
        OutputStream output = client.getOutputStream();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            output.write(BufferUtil.toArray(buffer));
        }
        final AtomicReference<HeadersFrame> frameRef = new AtomicReference<>();
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

            @Override
            public void onSettings(SettingsFrame frame) {
                latch.countDown();
            }

            @Override
            public void onHeaders(HeadersFrame frame) {
                frameRef.set(frame);
                latch.countDown();
            }
        }, 4096, 8192);
        parseResponse(client, parser);
        Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
        HeadersFrame response = frameRef.get();
        Assert.assertNotNull(response);
        MetaData.Response responseMetaData = (MetaData.Response) response.getMetaData();
        Assert.assertEquals(200, responseMetaData.getStatus());
    }
}

Example 13 with SettingsFrame

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

the class HTTP2ServerTest method testRequestWithPriorityWithContinuationFrames.

@Test
public void testRequestWithPriorityWithContinuationFrames() throws Exception {
    PriorityFrame priority = new PriorityFrame(1, 13, 200, true);
    testRequestWithContinuationFrames(priority, () -> {
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.control(lease, new PrefaceFrame());
        generator.control(lease, new SettingsFrame(new HashMap<>(), false));
        MetaData.Request metaData = newRequest("GET", new HttpFields());
        generator.control(lease, new HeadersFrame(1, metaData, priority, true));
        return lease;
    });
}

Example 14 with SettingsFrame

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

the class HTTP2ServerTest method testRequestWithContinuationFramesWithEmptyLastContinuationFrame.

@Test
public void testRequestWithContinuationFramesWithEmptyLastContinuationFrame() throws Exception {
    testRequestWithContinuationFrames(null, () -> {
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.control(lease, new PrefaceFrame());
        generator.control(lease, new SettingsFrame(new HashMap<>(), false));
        MetaData.Request metaData = newRequest("GET", new HttpFields());
        generator.control(lease, new HeadersFrame(1, metaData, null, true));
        // Take the last CONTINUATION frame and reset the flag.
        List<ByteBuffer> buffers = lease.getByteBuffers();
        ByteBuffer continuationFrameHeader = buffers.get(buffers.size() - 2);
        continuationFrameHeader.put(4, (byte) 0);
        // Add a last, empty, CONTINUATION frame.
        ByteBuffer last = ByteBuffer.wrap(new byte[] { // Length
        0, // Length
        0, // Length
        0, (byte) FrameType.CONTINUATION.getType(), (byte) Flags.END_HEADERS, // Stream ID
        0, // Stream ID
        0, // Stream ID
        0, // Stream ID
        1 });
        lease.append(last, false);
        return lease;
    });
}

Example 15 with SettingsFrame

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

the class HTTP2ServerTest method testRequestWithContinuationFramesWithEmptyContinuationFrame.

@Test
public void testRequestWithContinuationFramesWithEmptyContinuationFrame() throws Exception {
    testRequestWithContinuationFrames(null, () -> {
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        generator.control(lease, new PrefaceFrame());
        generator.control(lease, new SettingsFrame(new HashMap<>(), false));
        MetaData.Request metaData = newRequest("GET", new HttpFields());
        generator.control(lease, new HeadersFrame(1, metaData, null, true));
        // Take the ContinuationFrame header, duplicate it, and set the length to zero.
        List<ByteBuffer> buffers = lease.getByteBuffers();
        ByteBuffer continuationFrameHeader = buffers.get(4);
        ByteBuffer duplicate = ByteBuffer.allocate(continuationFrameHeader.remaining());
        duplicate.put(continuationFrameHeader).flip();
        continuationFrameHeader.flip();
        continuationFrameHeader.put(0, (byte) 0);
        continuationFrameHeader.putShort(1, (short) 0);
        // Insert a CONTINUATION frame header for the body of the previous CONTINUATION frame.
        lease.insert(5, duplicate, false);
        return lease;
    });
}