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Example 6 with ResetFrame

use of org.eclipse.jetty.http2.frames.ResetFrame 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));
}
Also used : ServerSessionListener(org.eclipse.jetty.http2.api.server.ServerSessionListener) FuturePromise(org.eclipse.jetty.util.FuturePromise) InvocationType(org.eclipse.jetty.util.thread.Invocable.InvocationType) DataFrame(org.eclipse.jetty.http2.frames.DataFrame) CountDownLatch(java.util.concurrent.CountDownLatch) HeadersFrame(org.eclipse.jetty.http2.frames.HeadersFrame) ByteBuffer(java.nio.ByteBuffer) Callback(org.eclipse.jetty.util.Callback) FutureCallback(org.eclipse.jetty.util.FutureCallback) MetaData(org.eclipse.jetty.http.MetaData) HttpFields(org.eclipse.jetty.http.HttpFields) HTTP2Stream(org.eclipse.jetty.http2.HTTP2Stream) Stream(org.eclipse.jetty.http2.api.Stream) ResetFrame(org.eclipse.jetty.http2.frames.ResetFrame) ServerSessionListener(org.eclipse.jetty.http2.api.server.ServerSessionListener) HTTP2Session(org.eclipse.jetty.http2.HTTP2Session) Session(org.eclipse.jetty.http2.api.Session) ISession(org.eclipse.jetty.http2.ISession) Test(org.junit.Test)

Example 7 with ResetFrame

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

the class PushCacheFilterTest method testPushIsReset.

@Test
public void testPushIsReset() throws Exception {
    final String primaryResource = "/primary.html";
    final String secondaryResource = "/secondary.png";
    final byte[] secondaryData = "SECONDARY".getBytes("UTF-8");
    start(new HttpServlet() {

        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            String requestURI = req.getRequestURI();
            ServletOutputStream output = resp.getOutputStream();
            if (requestURI.endsWith(primaryResource))
                output.print("<html><head></head><body>PRIMARY</body></html>");
            else if (requestURI.endsWith(secondaryResource))
                output.write(secondaryData);
        }
    });
    final Session session = newClient(new Session.Listener.Adapter());
    // Request for the primary and secondary resource to build the cache.
    final String primaryURI = newURI(primaryResource);
    HttpFields primaryFields = new HttpFields();
    MetaData.Request primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch warmupLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream()) {
                // Request for the secondary resource.
                HttpFields secondaryFields = new HttpFields();
                secondaryFields.put(HttpHeader.REFERER, primaryURI);
                MetaData.Request secondaryRequest = newRequest("GET", secondaryResource, secondaryFields);
                session.newStream(new HeadersFrame(secondaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

                    @Override
                    public void onData(Stream stream, DataFrame frame, Callback callback) {
                        callback.succeeded();
                        warmupLatch.countDown();
                    }
                });
            }
        }
    });
    Assert.assertTrue(warmupLatch.await(5, TimeUnit.SECONDS));
    // Request again the primary resource, we should get the secondary resource pushed.
    primaryRequest = newRequest("GET", primaryResource, primaryFields);
    final CountDownLatch primaryResponseLatch = new CountDownLatch(1);
    final CountDownLatch pushLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(primaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public Stream.Listener onPush(Stream stream, PushPromiseFrame frame) {
            // Reset the stream as soon as we see the push.
            ResetFrame resetFrame = new ResetFrame(stream.getId(), ErrorCode.REFUSED_STREAM_ERROR.code);
            stream.reset(resetFrame, Callback.NOOP);
            return new Adapter() {

                @Override
                public void onData(Stream stream, DataFrame frame, Callback callback) {
                    callback.succeeded();
                    pushLatch.countDown();
                }
            };
        }

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream())
                primaryResponseLatch.countDown();
        }
    });
    // We should not receive pushed data that we reset.
    Assert.assertFalse(pushLatch.await(1, TimeUnit.SECONDS));
    Assert.assertTrue(primaryResponseLatch.await(5, TimeUnit.SECONDS));
    // Make sure the session is sane by requesting the secondary resource.
    HttpFields secondaryFields = new HttpFields();
    secondaryFields.put(HttpHeader.REFERER, primaryURI);
    MetaData.Request secondaryRequest = newRequest("GET", secondaryResource, secondaryFields);
    final CountDownLatch secondaryResponseLatch = new CountDownLatch(1);
    session.newStream(new HeadersFrame(secondaryRequest, null, true), new Promise.Adapter<>(), new Stream.Listener.Adapter() {

        @Override
        public void onData(Stream stream, DataFrame frame, Callback callback) {
            callback.succeeded();
            if (frame.isEndStream())
                secondaryResponseLatch.countDown();
        }
    });
    Assert.assertTrue(secondaryResponseLatch.await(5, TimeUnit.SECONDS));
}
Also used : ServletOutputStream(javax.servlet.ServletOutputStream) HeadersFrame(org.eclipse.jetty.http2.frames.HeadersFrame) HttpServletRequest(javax.servlet.http.HttpServletRequest) ServletException(javax.servlet.ServletException) MetaData(org.eclipse.jetty.http.MetaData) HttpFields(org.eclipse.jetty.http.HttpFields) Stream(org.eclipse.jetty.http2.api.Stream) ServletOutputStream(javax.servlet.ServletOutputStream) HttpServlet(javax.servlet.http.HttpServlet) HttpServletRequest(javax.servlet.http.HttpServletRequest) HttpServletResponse(javax.servlet.http.HttpServletResponse) IOException(java.io.IOException) DataFrame(org.eclipse.jetty.http2.frames.DataFrame) CountDownLatch(java.util.concurrent.CountDownLatch) PushPromiseFrame(org.eclipse.jetty.http2.frames.PushPromiseFrame) Promise(org.eclipse.jetty.util.Promise) Callback(org.eclipse.jetty.util.Callback) ResetFrame(org.eclipse.jetty.http2.frames.ResetFrame) Session(org.eclipse.jetty.http2.api.Session) Test(org.junit.Test)

Example 8 with ResetFrame

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

the class StreamCountTest method testServerAllowsOneStreamEnforcedByServer.

@Test
public void testServerAllowsOneStreamEnforcedByServer() throws Exception {
    final CountDownLatch resetLatch = new CountDownLatch(1);
    start(new ServerSessionListener.Adapter() {

        @Override
        public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) {
            HTTP2Session session = (HTTP2Session) stream.getSession();
            session.setMaxRemoteStreams(1);
            return new Stream.Listener.Adapter() {

                @Override
                public void onData(Stream stream, DataFrame frame, Callback callback) {
                    if (frame.isEndStream()) {
                        HttpFields fields = new HttpFields();
                        MetaData.Response metaData = new MetaData.Response(HttpVersion.HTTP_2, 200, fields);
                        stream.headers(new HeadersFrame(stream.getId(), metaData, null, true), callback);
                    } else {
                        callback.succeeded();
                    }
                }
            };
        }
    });
    Session session = newClient(new Session.Listener.Adapter());
    HttpFields fields = new HttpFields();
    MetaData.Request metaData = newRequest("GET", fields);
    HeadersFrame frame1 = new HeadersFrame(metaData, null, false);
    FuturePromise<Stream> streamPromise1 = new FuturePromise<>();
    final CountDownLatch responseLatch = new CountDownLatch(1);
    session.newStream(frame1, streamPromise1, new Stream.Listener.Adapter() {

        @Override
        public void onHeaders(Stream stream, HeadersFrame frame) {
            if (frame.isEndStream())
                responseLatch.countDown();
        }
    });
    Stream stream1 = streamPromise1.get(5, TimeUnit.SECONDS);
    HeadersFrame frame2 = new HeadersFrame(metaData, null, false);
    FuturePromise<Stream> streamPromise2 = new FuturePromise<>();
    session.newStream(frame2, streamPromise2, new Stream.Listener.Adapter() {

        @Override
        public void onReset(Stream stream, ResetFrame frame) {
            resetLatch.countDown();
        }
    });
    streamPromise2.get(5, TimeUnit.SECONDS);
    Assert.assertTrue(resetLatch.await(5, TimeUnit.SECONDS));
    stream1.data(new DataFrame(stream1.getId(), BufferUtil.EMPTY_BUFFER, true), Callback.NOOP);
    Assert.assertTrue(responseLatch.await(5, TimeUnit.SECONDS));
}
Also used : ServerSessionListener(org.eclipse.jetty.http2.api.server.ServerSessionListener) FuturePromise(org.eclipse.jetty.util.FuturePromise) DataFrame(org.eclipse.jetty.http2.frames.DataFrame) CountDownLatch(java.util.concurrent.CountDownLatch) HTTP2Session(org.eclipse.jetty.http2.HTTP2Session) HeadersFrame(org.eclipse.jetty.http2.frames.HeadersFrame) Callback(org.eclipse.jetty.util.Callback) MetaData(org.eclipse.jetty.http.MetaData) HttpFields(org.eclipse.jetty.http.HttpFields) Stream(org.eclipse.jetty.http2.api.Stream) ResetFrame(org.eclipse.jetty.http2.frames.ResetFrame) ServerSessionListener(org.eclipse.jetty.http2.api.server.ServerSessionListener) HTTP2Session(org.eclipse.jetty.http2.HTTP2Session) Session(org.eclipse.jetty.http2.api.Session) Test(org.junit.Test)

Example 9 with ResetFrame

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

the class StreamResetTest method testClientResetConsumesQueuedData.

@Test
public void testClientResetConsumesQueuedData() throws Exception {
    start(new EmptyHttpServlet());
    Session client = newClient(new Session.Listener.Adapter());
    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));
    // Now reset the stream.
    stream.reset(new ResetFrame(stream.getId(), ErrorCode.CANCEL_STREAM_ERROR.code), Callback.NOOP);
    // Wait for the server to receive the reset and process
    // it, and for the client to process the window updates.
    Thread.sleep(1000);
    Assert.assertThat(((ISession) client).updateSendWindow(0), Matchers.greaterThan(0));
}
Also used : ServerSessionListener(org.eclipse.jetty.http2.api.server.ServerSessionListener) WriteListener(javax.servlet.WriteListener) FuturePromise(org.eclipse.jetty.util.FuturePromise) DataFrame(org.eclipse.jetty.http2.frames.DataFrame) CountDownLatch(java.util.concurrent.CountDownLatch) HeadersFrame(org.eclipse.jetty.http2.frames.HeadersFrame) ByteBuffer(java.nio.ByteBuffer) Callback(org.eclipse.jetty.util.Callback) FutureCallback(org.eclipse.jetty.util.FutureCallback) MetaData(org.eclipse.jetty.http.MetaData) HttpFields(org.eclipse.jetty.http.HttpFields) Stream(org.eclipse.jetty.http2.api.Stream) ServletOutputStream(javax.servlet.ServletOutputStream) IStream(org.eclipse.jetty.http2.IStream) ResetFrame(org.eclipse.jetty.http2.frames.ResetFrame) Session(org.eclipse.jetty.http2.api.Session) ISession(org.eclipse.jetty.http2.ISession) Test(org.junit.Test)

Example 10 with ResetFrame

use of org.eclipse.jetty.http2.frames.ResetFrame 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));
}
Also used : ServerSessionListener(org.eclipse.jetty.http2.api.server.ServerSessionListener) WriteListener(javax.servlet.WriteListener) IStream(org.eclipse.jetty.http2.IStream) FuturePromise(org.eclipse.jetty.util.FuturePromise) DataFrame(org.eclipse.jetty.http2.frames.DataFrame) CountDownLatch(java.util.concurrent.CountDownLatch) HeadersFrame(org.eclipse.jetty.http2.frames.HeadersFrame) HttpServletResponse(javax.servlet.http.HttpServletResponse) Callback(org.eclipse.jetty.util.Callback) FutureCallback(org.eclipse.jetty.util.FutureCallback) MetaData(org.eclipse.jetty.http.MetaData) HttpFields(org.eclipse.jetty.http.HttpFields) Stream(org.eclipse.jetty.http2.api.Stream) ServletOutputStream(javax.servlet.ServletOutputStream) IStream(org.eclipse.jetty.http2.IStream) ResetFrame(org.eclipse.jetty.http2.frames.ResetFrame) ServerSessionListener(org.eclipse.jetty.http2.api.server.ServerSessionListener) Session(org.eclipse.jetty.http2.api.Session) ISession(org.eclipse.jetty.http2.ISession) Test(org.junit.Test)

Aggregations

ResetFrame (org.eclipse.jetty.http2.frames.ResetFrame)24 Test (org.junit.Test)21 Stream (org.eclipse.jetty.http2.api.Stream)20 HeadersFrame (org.eclipse.jetty.http2.frames.HeadersFrame)20 CountDownLatch (java.util.concurrent.CountDownLatch)19 MetaData (org.eclipse.jetty.http.MetaData)19 HttpFields (org.eclipse.jetty.http.HttpFields)18 ServerSessionListener (org.eclipse.jetty.http2.api.server.ServerSessionListener)18 Session (org.eclipse.jetty.http2.api.Session)16 Callback (org.eclipse.jetty.util.Callback)13 FuturePromise (org.eclipse.jetty.util.FuturePromise)12 DataFrame (org.eclipse.jetty.http2.frames.DataFrame)11 IOException (java.io.IOException)10 HttpServletResponse (javax.servlet.http.HttpServletResponse)10 ByteBuffer (java.nio.ByteBuffer)9 ServletOutputStream (javax.servlet.ServletOutputStream)9 HttpServletRequest (javax.servlet.http.HttpServletRequest)9 ISession (org.eclipse.jetty.http2.ISession)9 ServletException (javax.servlet.ServletException)8 WriteListener (javax.servlet.WriteListener)8