use of com.webpieces.http2parser.impl.FrameHeaderData in project webpieces by deanhiller.
the class PriorityMarshaller method unmarshal.
@Override
public AbstractHttp2Frame unmarshal(Http2MementoImpl state, DataWrapper framePayloadData) {
FrameHeaderData frameHeaderData = state.getFrameHeaderData();
int streamId = frameHeaderData.getStreamId();
if (state.getFrameHeaderData().getPayloadLength() != 5)
throw new StreamException(CancelReasonCode.FRAME_SIZE_INCORRECT, streamId, "priority size not 5 and instead is=" + state.getFrameHeaderData().getPayloadLength());
PriorityFrame frame = new PriorityFrame();
PriorityDetails priorityDetails = frame.getPriorityDetails();
super.unmarshalFrame(state, frame);
ByteBuffer payloadByteBuffer = bufferPool.createWithDataWrapper(framePayloadData);
int firstInt = payloadByteBuffer.getInt();
priorityDetails.setStreamDependencyIsExclusive((firstInt >>> 31) == 0x1);
int streamDependency = firstInt & 0x7FFFFFFF;
if (frame.getStreamId() == 0) {
throw new ConnectionException(CancelReasonCode.INVALID_STREAM_ID, frame.getStreamId(), "priority cannot be streamid 0 and was=" + frame.getStreamId());
} else 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) (payloadByteBuffer.get() & 0xFF));
bufferPool.releaseBuffer(payloadByteBuffer);
return frame;
}
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