Examples with IStream org.eclipse.jetty.http2.IStream used on opensource projects

Example 1 with IStream

use of org.eclipse.jetty.http2.IStream in project jetty.project by eclipse.

the class HttpChannelOverHTTP2 method toString.

@Override
public String toString() {
    IStream stream = getStream();
    long streamId = -1;
    if (stream != null)
        streamId = stream.getId();
    return String.format("%s#%d", super.toString(), getStream() == null ? -1 : streamId);
}

Example 2 with IStream

use of org.eclipse.jetty.http2.IStream in project jetty.project by eclipse.

the class HTTP2ServerSession method onHeaders.

@Override
public void onHeaders(HeadersFrame frame) {
    if (LOG.isDebugEnabled())
        LOG.debug("Received {}", frame);
    MetaData metaData = frame.getMetaData();
    if (metaData.isRequest()) {
        IStream stream = createRemoteStream(frame.getStreamId());
        if (stream != null) {
            onStreamOpened(stream);
            stream.process(frame, Callback.NOOP);
            Stream.Listener listener = notifyNewStream(stream, frame);
            stream.setListener(listener);
        }
    } else if (metaData.isResponse()) {
        onConnectionFailure(ErrorCode.PROTOCOL_ERROR.code, "invalid_request");
    } else {
        // Trailers.
        int streamId = frame.getStreamId();
        IStream stream = getStream(streamId);
        if (stream != null) {
            stream.process(frame, Callback.NOOP);
            notifyHeaders(stream, frame);
        } else {
            if (LOG.isDebugEnabled())
                LOG.debug("Ignoring {}, stream #{} not found", frame, streamId);
        }
    }
}

Example 3 with IStream

use of org.eclipse.jetty.http2.IStream 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 4 with IStream

use of org.eclipse.jetty.http2.IStream in project jetty.project by eclipse.

the class HTTP2ClientSession method onPushPromise.

@Override
public void onPushPromise(PushPromiseFrame frame) {
    if (LOG.isDebugEnabled())
        LOG.debug("Received {}", frame);
    int streamId = frame.getStreamId();
    int pushStreamId = frame.getPromisedStreamId();
    IStream stream = getStream(streamId);
    if (stream == null) {
        if (LOG.isDebugEnabled())
            LOG.debug("Ignoring {}, stream #{} not found", frame, streamId);
    } else {
        IStream pushStream = createRemoteStream(pushStreamId);
        pushStream.process(frame, Callback.NOOP);
        Stream.Listener listener = notifyPush(stream, pushStream, frame);
        pushStream.setListener(listener);
    }
}

Example 5 with IStream

use of org.eclipse.jetty.http2.IStream in project jetty.project by eclipse.

the class SimpleFlowControlStrategy method onDataConsumed.

@Override
public void onDataConsumed(ISession session, IStream stream, int length) {
    if (length <= 0)
        return;
    // This is the simple algorithm for flow control.
    // This method is called when a whole flow controlled frame has been consumed.
    // We send a WindowUpdate every time, even if the frame was very small.
    WindowUpdateFrame sessionFrame = new WindowUpdateFrame(0, length);
    session.updateRecvWindow(length);
    if (LOG.isDebugEnabled())
        LOG.debug("Data consumed, increased session recv window by {} for {}", length, session);
    Frame[] streamFrame = Frame.EMPTY_ARRAY;
    if (stream != null) {
        if (stream.isClosed()) {
            if (LOG.isDebugEnabled())
                LOG.debug("Data consumed, ignoring update stream recv window by {} for closed {}", length, stream);
        } else {
            streamFrame = new Frame[1];
            streamFrame[0] = new WindowUpdateFrame(stream.getId(), length);
            stream.updateRecvWindow(length);
            if (LOG.isDebugEnabled())
                LOG.debug("Data consumed, increased stream recv window by {} for {}", length, stream);
        }
    }
    session.frames(stream, Callback.NOOP, sessionFrame, streamFrame);
}