Examples with PriorityDetails com.webpieces.http2.api.dto.lowlevel.lib.PriorityDetails used on opensource projects

Example 1 with PriorityDetails

use of com.webpieces.http2.api.dto.lowlevel.lib.PriorityDetails in project webpieces by deanhiller.

the class HeadersMarshaller method unmarshal.

@Override
public AbstractHttp2Frame unmarshal(Http2MementoImpl state, DataWrapper framePayloadData) {
    HeadersFrame frame = new HeadersFrame();
    super.unmarshalFrame(state, frame);
    byte flagsByte = state.getFrameHeaderData().getFlagsByte();
    frame.setEndOfStream((flagsByte & 0x1) == 0x1);
    frame.setEndHeaders((flagsByte & 0x4) == 0x4);
    boolean isPadded = (flagsByte & 0x8) == 0x8;
    PriorityDetails priorityDetails = null;
    if ((flagsByte & 0x20) == 0x20) {
        priorityDetails = new PriorityDetails();
        frame.setPriorityDetails(priorityDetails);
    }
    DataSplit padSplit = PaddingUtil.extractPayloadAndPadding(isPadded, framePayloadData, frame.getStreamId());
    frame.setPadding(padSplit.getPadding());
    DataWrapper paddingStripped = padSplit.getPayload();
    if (priorityDetails != null) {
        // 1 bit Exclusive flag, 31 bits stream dependency, and 8 bits weight = 5 bytes....
        List<? extends DataWrapper> split = DATA_GEN.split(paddingStripped, 5);
        ByteBuffer preludeBytes = bufferPool.createWithDataWrapper(split.get(0));
        int firstInt = preludeBytes.getInt();
        priorityDetails.setStreamDependencyIsExclusive((firstInt >>> 31) == 0x1);
        int streamDependency = firstInt & 0x7FFFFFFF;
        if (streamDependency == frame.getStreamId()) {
            // Can't depend on self
            throw new ConnectionException(CancelReasonCode.BAD_STREAM_DEPENDENCY, streamDependency, "stream id=" + streamDependency + " depends on itself");
        }
        priorityDetails.setStreamDependency(streamDependency);
        priorityDetails.setWeight((short) (preludeBytes.get() & 0xFF));
        frame.setHeaderFragment(split.get(1));
        bufferPool.releaseBuffer(preludeBytes);
    } else {
        frame.setHeaderFragment(paddingStripped);
    }
    if (frame.getStreamId() == 0)
        throw new ConnectionException(CancelReasonCode.INVALID_STREAM_ID, frame.getStreamId(), "headers frame had invalid stream id=" + frame.getStreamId());
    return frame;
}

Example 2 with PriorityDetails

use of com.webpieces.http2.api.dto.lowlevel.lib.PriorityDetails in project webpieces by deanhiller.

the class HeadersMarshaller method marshal.

@Override
public DataWrapper marshal(Http2Frame frame) {
    HeadersFrame castFrame = (HeadersFrame) frame;
    if (frame.getStreamId() == 0)
        throw new ConnectionException(CancelReasonCode.INVALID_STREAM_ID, frame.getStreamId(), "Headers frame cannot be streamId 0");
    int paddingSize = castFrame.getPadding().getReadableSize();
    byte value = 0x0;
    if (castFrame.isEndOfStream())
        value |= 0x1;
    if (castFrame.isEndHeaders())
        value |= 0x4;
    if (paddingSize > 0)
        value |= 0x8;
    if (castFrame.isPriority())
        value |= 0x20;
    DataWrapper preludeDW;
    PriorityDetails priorityDetails = castFrame.getPriorityDetails();
    if (priorityDetails != null) {
        preludeDW = PriorityMarshaller.marshalPriorityDetails(bufferPool, priorityDetails, frame);
    } else {
        preludeDW = DATA_GEN.emptyWrapper();
    }
    DataWrapper unpadded = DATA_GEN.chainDataWrappers(preludeDW, castFrame.getHeaderFragment());
    DataWrapper payload = PaddingUtil.padDataIfNeeded(unpadded, castFrame.getPadding());
    return super.marshalFrame(frame, value, payload);
}

Example 3 with PriorityDetails

use of com.webpieces.http2.api.dto.lowlevel.lib.PriorityDetails in project webpieces by deanhiller.

the class TestHttp2Priority method testParsePriorityFrame.

@Test
public void testParsePriorityFrame() {
    DataWrapper data = Util.hexToBytes(priorityFrame());
    parser.parse(memento, data);
    PriorityFrame frame = (PriorityFrame) assertGood();
    Assert.assertEquals(1, frame.getStreamId());
    PriorityDetails details = frame.getPriorityDetails();
    Assert.assertTrue(details.isStreamDependencyIsExclusive());
    Assert.assertEquals(5, details.getWeight());
    Assert.assertEquals(4, details.getStreamDependency());
}

Example 4 with PriorityDetails

use of com.webpieces.http2.api.dto.lowlevel.lib.PriorityDetails in project webpieces by deanhiller.

the class TestHttp2Priority method testMarshalPriorityFrameMSB.

@Test
public void testMarshalPriorityFrameMSB() {
    PriorityFrame frame = new PriorityFrame();
    frame.setStreamId(1);
    PriorityDetails details = frame.getPriorityDetails();
    details.setStreamDependency(4);
    details.setStreamDependencyIsExclusive(true);
    details.setWeight((short) 0xFF);
    Assert.assertEquals(details.getWeight(), 255);
    byte[] data = parser.marshal(frame).createByteArray();
    String hexFrame = Util.toHexString(data);
    Assert.assertEquals(priorityFrameMSB(), hexFrame);
}

Example 5 with PriorityDetails

use of com.webpieces.http2.api.dto.lowlevel.lib.PriorityDetails in project webpieces by deanhiller.

the class PriorityMarshaller method marshal.

@Override
public DataWrapper marshal(Http2Frame frame) {
    PriorityFrame castFrame = (PriorityFrame) frame;
    PriorityDetails priorityDetails = castFrame.getPriorityDetails();
    DataWrapper payload = marshalPriorityDetails(bufferPool, priorityDetails, frame);
    return super.marshalFrame(frame, (byte) 0, payload);
}