Examples with Session org.eclipse.jetty.http2.api.Session used on opensource projects

Example 1 with Session

use of org.eclipse.jetty.http2.api.Session in project jetty.project by eclipse.

the class HttpClientTransportOverHTTP2Test method testClientStopsServerDoesNotCloseClientCloses.

@Test
public void testClientStopsServerDoesNotCloseClientCloses() throws Exception {
    try (ServerSocket server = new ServerSocket(0)) {
        List<Session> sessions = new ArrayList<>();
        HTTP2Client h2Client = new HTTP2Client();
        HttpClient client = new HttpClient(new HttpClientTransportOverHTTP2(h2Client) {

            @Override
            protected HttpConnectionOverHTTP2 newHttpConnection(HttpDestination destination, Session session) {
                sessions.add(session);
                return super.newHttpConnection(destination, session);
            }
        }, null);
        QueuedThreadPool clientExecutor = new QueuedThreadPool();
        clientExecutor.setName("client");
        client.setExecutor(clientExecutor);
        client.start();
        CountDownLatch resultLatch = new CountDownLatch(1);
        client.newRequest("localhost", server.getLocalPort()).send(result -> {
            if (result.getResponse().getStatus() == HttpStatus.OK_200)
                resultLatch.countDown();
        });
        ByteBufferPool byteBufferPool = new MappedByteBufferPool();
        ByteBufferPool.Lease lease = new ByteBufferPool.Lease(byteBufferPool);
        Generator generator = new Generator(byteBufferPool);
        try (Socket socket = server.accept()) {
            socket.setSoTimeout(1000);
            OutputStream output = socket.getOutputStream();
            InputStream input = socket.getInputStream();
            ServerParser parser = new ServerParser(byteBufferPool, new ServerParser.Listener.Adapter() {

                @Override
                public void onHeaders(HeadersFrame request) {
                    // Server's preface.
                    generator.control(lease, new SettingsFrame(new HashMap<>(), false));
                    // Reply to client's SETTINGS.
                    generator.control(lease, new SettingsFrame(new HashMap<>(), true));
                    // Response.
                    MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, HttpStatus.OK_200, new HttpFields());
                    HeadersFrame response = new HeadersFrame(request.getStreamId(), metaData, null, true);
                    generator.control(lease, response);
                    try {
                        // Write the frames.
                        for (ByteBuffer buffer : lease.getByteBuffers()) output.write(BufferUtil.toArray(buffer));
                    } catch (Throwable x) {
                        x.printStackTrace();
                    }
                }
            }, 4096, 8192);
            byte[] bytes = new byte[1024];
            while (true) {
                try {
                    int read = input.read(bytes);
                    if (read < 0)
                        Assert.fail();
                    parser.parse(ByteBuffer.wrap(bytes, 0, read));
                } catch (SocketTimeoutException x) {
                    break;
                }
            }
            Assert.assertTrue(resultLatch.await(5, TimeUnit.SECONDS));
            // The client will send a GO_AWAY, but the server will not close.
            client.stop();
            // Give some time to process the stop/close operations.
            Thread.sleep(1000);
            Assert.assertTrue(h2Client.getBeans(Session.class).isEmpty());
            for (Session session : sessions) {
                Assert.assertTrue(session.isClosed());
                Assert.assertTrue(((HTTP2Session) session).isDisconnected());
            }
        }
    }
}

Example 2 with Session

use of org.eclipse.jetty.http2.api.Session in project jetty.project by eclipse.

the class CloseTest method testClientAbruptlyClosesConnection.

@Test
public void testClientAbruptlyClosesConnection() throws Exception {
    final CountDownLatch closeLatch = new CountDownLatch(1);
    final AtomicReference<Session> sessionRef = new AtomicReference<>();
    startServer(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            try {
                sessionRef.set(stream.getSession());
                MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
                // Reply with HEADERS.
                stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
                closeLatch.await(5, TimeUnit.SECONDS);
                return null;
            } catch (InterruptedException x) {
                return 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));
    try (Socket client = new Socket("localhost", connector.getLocalPort())) {
        OutputStream output = client.getOutputStream();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            output.write(BufferUtil.toArray(buffer));
        }
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

            @Override
            public void onHeaders(HeadersFrame frame) {
                try {
                    // Close the connection just after
                    // receiving the response headers.
                    client.close();
                    closeLatch.countDown();
                } catch (IOException x) {
                    throw new RuntimeIOException(x);
                }
            }
        }, 4096, 8192);
        parseResponse(client, parser);
        // We need to give some time to the server to receive and process the TCP FIN.
        Thread.sleep(1000);
        Session session = sessionRef.get();
        Assert.assertTrue(session.isClosed());
        Assert.assertTrue(((HTTP2Session) session).isDisconnected());
    }
}

Example 3 with Session

use of org.eclipse.jetty.http2.api.Session in project jetty.project by eclipse.

the class CloseTest method testClientSendsGoAwayButDoesNotCloseConnectionServerCloses.

@Test
public void testClientSendsGoAwayButDoesNotCloseConnectionServerCloses() throws Exception {
    final AtomicReference<Session> sessionRef = new AtomicReference<>();
    startServer(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            sessionRef.set(stream.getSession());
            MetaData.Response response = new MetaData.Response(HttpVersion.HTTP_2, 200, new HttpFields());
            stream.headers(new HeadersFrame(stream.getId(), response, null, true), Callback.NOOP);
            return 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));
    generator.control(lease, new GoAwayFrame(1, ErrorCode.NO_ERROR.code, "OK".getBytes("UTF-8")));
    try (Socket client = new Socket("localhost", connector.getLocalPort())) {
        OutputStream output = client.getOutputStream();
        for (ByteBuffer buffer : lease.getByteBuffers()) {
            output.write(BufferUtil.toArray(buffer));
        }
        // Don't close the connection; the server should close.
        final CountDownLatch responseLatch = new CountDownLatch(1);
        Parser parser = new Parser(byteBufferPool, new Parser.Listener.Adapter() {

            @Override
            public void onHeaders(HeadersFrame frame) {
                // Even if we sent the GO_AWAY immediately after the
                // HEADERS, the server is able to send us the response.
                responseLatch.countDown();
            }
        }, 4096, 8192);
        parseResponse(client, parser);
        Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS));
        // Wait for the server to close.
        Thread.sleep(1000);
        // Client received the TCP FIN from server.
        Assert.assertEquals(-1, client.getInputStream().read());
        // Server is closed.
        Session session = sessionRef.get();
        Assert.assertTrue(session.isClosed());
        Assert.assertTrue(((HTTP2Session) session).isDisconnected());
    }
}

Example 4 with Session

use of org.eclipse.jetty.http2.api.Session in project jetty.project by eclipse.

the class FlowControlStrategyTest method testFlowControlWhenServerResetsStream.

@Test
public void testFlowControlWhenServerResetsStream() throws Exception {
    // On server, don't consume the data and immediately reset.
    start(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            MetaData.Request request = (MetaData.Request) frame.getMetaData();
            if (HttpMethod.GET.is(request.getMethod()))
                return new Stream.Listener.Adapter();
            return new Stream.Listener.Adapter() {

                @Override
                public void onData(Stream stream, DataFrame frame, Callback callback) {
                    // Fail the callback to enlarge the session window.
                    // More data frames will be discarded because the
                    // stream is reset, and automatically consumed to
                    // keep the session window large for other streams.
                    callback.failed(new Throwable());
                    stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
                }
            };
        }
    });
    Session session = newClient(new Session.Listener.Adapter());
    MetaData.Request metaData = newRequest("POST", new HttpFields());
    HeadersFrame frame = new HeadersFrame(metaData, null, false);
    FuturePromise<Stream> streamPromise = new FuturePromise<>();
    final CountDownLatch resetLatch = new CountDownLatch(1);
    session.newStream(frame, streamPromise, new Stream.Listener.Adapter() {

        @Override
        public void onReset(Stream stream, ResetFrame frame) {
            resetLatch.countDown();
        }
    });
    Stream stream = streamPromise.get(5, TimeUnit.SECONDS);
    // Perform a big upload that will stall the flow control windows.
    ByteBuffer data = ByteBuffer.allocate(5 * FlowControlStrategy.DEFAULT_WINDOW_SIZE);
    final CountDownLatch dataLatch = new CountDownLatch(1);
    stream.data(new DataFrame(stream.getId(), data, true), new Callback() {

        @Override
        public InvocationType getInvocationType() {
            return InvocationType.NON_BLOCKING;
        }

        @Override
        public void failed(Throwable x) {
            dataLatch.countDown();
        }
    });
    Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS));
    Assert.assertTrue(dataLatch.await(5, TimeUnit.SECONDS));
}

Example 5 with Session

use of org.eclipse.jetty.http2.api.Session in project jetty.project by eclipse.

the class FlowControlStrategyTest method testWindowSizeUpdates.

@Test
public void testWindowSizeUpdates() throws Exception {
    final CountDownLatch prefaceLatch = new CountDownLatch(1);
    final CountDownLatch stream1Latch = new CountDownLatch(1);
    final CountDownLatch stream2Latch = new CountDownLatch(1);
    final CountDownLatch settingsLatch = new CountDownLatch(1);
    start(new ServerSessionListener.Adapter() {

        @Override
        public Map<Integer, Integer> onPreface(Session session) {
            HTTP2Session serverSession = (HTTP2Session) session;
            Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, serverSession.getSendWindow());
            Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, serverSession.getRecvWindow());
            prefaceLatch.countDown();
            return null;
        }

        @Override
        public void onSettings(Session session, SettingsFrame frame) {
            for (Stream stream : session.getStreams()) {
                HTTP2Stream serverStream = (HTTP2Stream) stream;
                Assert.assertEquals(0, serverStream.getSendWindow());
                Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, serverStream.getRecvWindow());
            }
            settingsLatch.countDown();
        }

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            HTTP2Stream serverStream = (HTTP2Stream) stream;
            MetaData.Request request = (MetaData.Request) frame.getMetaData();
            if ("GET".equalsIgnoreCase(request.getMethod())) {
                Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, serverStream.getSendWindow());
                Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, serverStream.getRecvWindow());
                stream1Latch.countDown();
            } else {
                Assert.assertEquals(0, serverStream.getSendWindow());
                Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, serverStream.getRecvWindow());
                stream2Latch.countDown();
            }
            return null;
        }
    });
    HTTP2Session clientSession = (HTTP2Session) newClient(new Session.Listener.Adapter());
    Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, clientSession.getSendWindow());
    Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, clientSession.getRecvWindow());
    Assert.assertTrue(prefaceLatch.await(5, TimeUnit.SECONDS));
    MetaData.Request request1 = newRequest("GET", new HttpFields());
    FuturePromise<Stream> promise1 = new FuturePromise<>();
    clientSession.newStream(new HeadersFrame(request1, null, true), promise1, new Stream.Listener.Adapter());
    HTTP2Stream clientStream1 = (HTTP2Stream) promise1.get(5, TimeUnit.SECONDS);
    Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, clientStream1.getSendWindow());
    Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, clientStream1.getRecvWindow());
    Assert.assertTrue(stream1Latch.await(5, TimeUnit.SECONDS));
    // Send a SETTINGS frame that changes the window size.
    // This tells the server that its stream send window must be updated,
    // so on the client it's the receive window that must be updated.
    Map<Integer, Integer> settings = new HashMap<>();
    settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, 0);
    SettingsFrame frame = new SettingsFrame(settings, false);
    FutureCallback callback = new FutureCallback();
    clientSession.settings(frame, callback);
    callback.get(5, TimeUnit.SECONDS);
    Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, clientStream1.getSendWindow());
    Assert.assertEquals(0, clientStream1.getRecvWindow());
    settingsLatch.await(5, TimeUnit.SECONDS);
    // Now create a new stream, it must pick up the new value.
    MetaData.Request request2 = newRequest("POST", new HttpFields());
    FuturePromise<Stream> promise2 = new FuturePromise<>();
    clientSession.newStream(new HeadersFrame(request2, null, true), promise2, new Stream.Listener.Adapter());
    HTTP2Stream clientStream2 = (HTTP2Stream) promise2.get(5, TimeUnit.SECONDS);
    Assert.assertEquals(FlowControlStrategy.DEFAULT_WINDOW_SIZE, clientStream2.getSendWindow());
    Assert.assertEquals(0, clientStream2.getRecvWindow());
    Assert.assertTrue(stream2Latch.await(5, TimeUnit.SECONDS));
}