Examples with Session com.developmentontheedge.be5.api.Session used on opensource projects

Example 41 with Session

use of com.developmentontheedge.be5.api.Session in project jetty.project by eclipse.

the class StreamResetTest method testStreamResetDoesNotCloseConnection.

@Test
public void testStreamResetDoesNotCloseConnection() throws Exception {
    final CountDownLatch serverResetLatch = new CountDownLatch(1);
    final CountDownLatch serverDataLatch = new CountDownLatch(1);
    start(new ServerSessionListener.Adapter() {

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

                @Override
                public void onData(Stream stream, DataFrame frame, Callback callback) {
                    callback.succeeded();
                    completable.thenRun(() -> stream.data(new DataFrame(stream.getId(), ByteBuffer.allocate(16), true), new Callback() {

                        @Override
                        public void succeeded() {
                            serverDataLatch.countDown();
                        }
                    }));
                }

                @Override
                public void onReset(Stream s, ResetFrame frame) {
                    // Simulate that there is pending data to send.
                    IStream stream = (IStream) s;
                    stream.getSession().frames(stream, new Callback() {

                        @Override
                        public void failed(Throwable x) {
                            serverResetLatch.countDown();
                        }
                    }, new DataFrame(s.getId(), ByteBuffer.allocate(16), true));
                }
            };
        }
    });
    Session client = newClient(new Session.Listener.Adapter());
    MetaData.Request request1 = newRequest("GET", new HttpFields());
    HeadersFrame requestFrame1 = new HeadersFrame(request1, null, false);
    FuturePromise<Stream> promise1 = new FuturePromise<>();
    final CountDownLatch stream1HeadersLatch = new CountDownLatch(1);
    final CountDownLatch stream1DataLatch = new CountDownLatch(1);
    client.newStream(requestFrame1, promise1, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            stream1HeadersLatch.countDown();
        }

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            stream1DataLatch.countDown();
        }
    });
    Stream stream1 = promise1.get(5, TimeUnit.SECONDS);
    Assert.assertTrue(stream1HeadersLatch.await(5, TimeUnit.SECONDS));
    MetaData.Request request2 = newRequest("GET", new HttpFields());
    HeadersFrame requestFrame2 = new HeadersFrame(request2, null, false);
    FuturePromise<Stream> promise2 = new FuturePromise<>();
    final CountDownLatch stream2DataLatch = new CountDownLatch(1);
    client.newStream(requestFrame2, promise2, new Stream.Listener.Adapter() {

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            stream2DataLatch.countDown();
        }
    });
    Stream stream2 = promise2.get(5, TimeUnit.SECONDS);
    ResetFrame resetFrame = new ResetFrame(stream1.getId(), ErrorCode.CANCEL_STREAM_ERROR.code);
    stream1.reset(resetFrame, Callback.NOOP);
    Assert.assertTrue(serverResetLatch.await(5, TimeUnit.SECONDS));
    // Stream MUST NOT receive data sent by server after reset.
    Assert.assertFalse(stream1DataLatch.await(1, TimeUnit.SECONDS));
    // The other stream should still be working.
    stream2.data(new DataFrame(stream2.getId(), ByteBuffer.allocate(16), true), Callback.NOOP);
    Assert.assertTrue(serverDataLatch.await(5, TimeUnit.SECONDS));
    Assert.assertTrue(stream2DataLatch.await(5, TimeUnit.SECONDS));
}

Example 42 with Session

use of com.developmentontheedge.be5.api.Session in project jetty.project by eclipse.

the class StreamResetTest method testServerExceptionConsumesQueuedData.

@Test
public void testServerExceptionConsumesQueuedData() throws Exception {
    try (StacklessLogging suppressor = new StacklessLogging(HttpChannel.class)) {
        start(new HttpServlet() {

            @Override
            protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                try {
                    // Wait to let the data sent by the client to be queued.
                    Thread.sleep(1000);
                    throw new IllegalStateException("explictly_thrown_by_test");
                } catch (InterruptedException e) {
                    throw new InterruptedIOException();
                }
            }
        });
        Session client = newClient(new Session.Listener.Adapter());
        Log.getLogger(HttpChannel.class).info("Expecting java.lang.IllegalStateException: explictly_thrown_by_test");
        MetaData.Request request = newRequest("GET", new HttpFields());
        HeadersFrame frame = new HeadersFrame(request, null, false);
        FuturePromise<Stream> promise = new FuturePromise<>();
        client.newStream(frame, promise, new Stream.Listener.Adapter());
        Stream stream = promise.get(5, TimeUnit.SECONDS);
        ByteBuffer data = ByteBuffer.allocate(FlowControlStrategy.DEFAULT_WINDOW_SIZE);
        CountDownLatch dataLatch = new CountDownLatch(1);
        stream.data(new DataFrame(stream.getId(), data, false), new Callback() {

            @Override
            public void succeeded() {
                dataLatch.countDown();
            }
        });
        // The server does not read the data, so the flow control window should be zero.
        Assert.assertTrue(dataLatch.await(5, TimeUnit.SECONDS));
        Assert.assertEquals(0, ((ISession) client).updateSendWindow(0));
        // Wait for the server process the exception, and
        // for the client to process the window updates.
        Thread.sleep(2000);
        Assert.assertThat(((ISession) client).updateSendWindow(0), Matchers.greaterThan(0));
    }
}

Example 43 with Session

use of com.developmentontheedge.be5.api.Session in project jetty.project by eclipse.

the class StreamResetTest method testBlockingWriteAfterStreamReceivingReset.

@Test
public void testBlockingWriteAfterStreamReceivingReset() throws Exception {
    final CountDownLatch resetLatch = new CountDownLatch(1);
    final CountDownLatch dataLatch = new CountDownLatch(1);
    start(new HttpServlet() {

        @Override
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            Charset charset = StandardCharsets.UTF_8;
            byte[] data = "AFTER RESET".getBytes(charset);
            response.setStatus(200);
            response.setContentType("text/plain;charset=" + charset.name());
            response.setContentLength(data.length * 10);
            response.flushBuffer();
            try {
                // Wait for the reset to happen.
                Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS));
            } catch (InterruptedException x) {
                throw new InterruptedIOException();
            }
            try {
                // been reset, it should throw an exception.
                for (int i = 0; i < 10; i++) {
                    Thread.sleep(500);
                    response.getOutputStream().write(data);
                    response.flushBuffer();
                }
            } catch (InterruptedException x) {
            } catch (IOException x) {
                dataLatch.countDown();
            }
        }
    });
    Session client = newClient(new Session.Listener.Adapter());
    MetaData.Request request = newRequest("GET", new HttpFields());
    HeadersFrame frame = new HeadersFrame(request, null, true);
    client.newStream(frame, new FuturePromise<>(), new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
            resetLatch.countDown();
        }
    });
    Assert.assertTrue(dataLatch.await(5, TimeUnit.SECONDS));
}

Example 44 with Session

use of com.developmentontheedge.be5.api.Session in project jetty.project by eclipse.

the class StreamResetTest method testStreamReceivingResetIsRemoved.

@Test
public void testStreamReceivingResetIsRemoved() throws Exception {
    final AtomicReference<Stream> streamRef = new AtomicReference<>();
    final CountDownLatch resetLatch = new CountDownLatch(1);
    start(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            return new Stream.Listener.Adapter() {

                @Override
                public void onReset(Stream stream, ResetFrame frame) {
                    Assert.assertNotNull(stream);
                    Assert.assertTrue(stream.isReset());
                    streamRef.set(stream);
                    resetLatch.countDown();
                }
            };
        }
    });
    Session client = newClient(new Session.Listener.Adapter());
    MetaData.Request request = newRequest("GET", new HttpFields());
    HeadersFrame requestFrame = new HeadersFrame(request, null, false);
    FuturePromise<Stream> promise = new FuturePromise<>();
    client.newStream(requestFrame, promise, new Stream.Listener.Adapter());
    Stream stream = promise.get(5, TimeUnit.SECONDS);
    ResetFrame resetFrame = new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code);
    stream.reset(resetFrame, Callback.NOOP);
    Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS));
    // Wait a while to let the server remove the
    // stream after returning from onReset().
    Thread.sleep(1000);
    Stream serverStream = streamRef.get();
    Assert.assertEquals(0, serverStream.getSession().getStreams().size());
}

Example 45 with Session

use of com.developmentontheedge.be5.api.Session in project jetty.project by eclipse.

the class HTTP2ClientConnectionFactory method newConnection.

@Override
public Connection newConnection(EndPoint endPoint, Map<String, Object> context) throws IOException {
    HTTP2Client client = (HTTP2Client) context.get(CLIENT_CONTEXT_KEY);
    ByteBufferPool byteBufferPool = (ByteBufferPool) context.get(BYTE_BUFFER_POOL_CONTEXT_KEY);
    Executor executor = (Executor) context.get(EXECUTOR_CONTEXT_KEY);
    Scheduler scheduler = (Scheduler) context.get(SCHEDULER_CONTEXT_KEY);
    Session.Listener listener = (Session.Listener) context.get(SESSION_LISTENER_CONTEXT_KEY);
    @SuppressWarnings("unchecked") Promise<Session> promise = (Promise<Session>) context.get(SESSION_PROMISE_CONTEXT_KEY);
    Generator generator = new Generator(byteBufferPool);
    FlowControlStrategy flowControl = client.getFlowControlStrategyFactory().newFlowControlStrategy();
    HTTP2ClientSession session = new HTTP2ClientSession(scheduler, endPoint, generator, listener, flowControl);
    Parser parser = new Parser(byteBufferPool, session, 4096, 8192);
    HTTP2ClientConnection connection = new HTTP2ClientConnection(client, byteBufferPool, executor, endPoint, parser, session, client.getInputBufferSize(), promise, listener);
    connection.addListener(connectionListener);
    return customize(connection, context);
}