public static HTTP2DataFrame ReadDataFrame(HTTP2FrameHeaderAndPayload header)
{
// https://httpwg.org/specs/rfc7540.html#DATA
HTTP2DataFrame frame = new HTTP2DataFrame(header);
frame.DataLength = header.PayloadLength;
bool isPadded = (frame.Flags & HTTP2DataFlags.PADDED) != 0;
if (isPadded)
{
frame.PadLength = header.Payload[0];
uint subLength = (uint)(1 + (frame.PadLength ?? 0));
if (subLength <= frame.DataLength)
{
frame.DataLength -= subLength;
}
//else
// throw PROTOCOL_ERROR;
}
frame.DataIdx = (UInt32)(isPadded ? 1 : 0);
frame.Data = header.Payload;
header.Payload = null;
return(frame);
}
protected override bool AdvanceFrame()
{
if (this.currentFrameIdx >= this.frames.Count - 1)
{
return(false);
}
this.currentFrameIdx++;
HTTP2FrameHeaderAndPayload frame = this.frames[this.currentFrameIdx];
HTTP2DataFrame dataFrame = HTTP2FrameHelper.ReadDataFrame(frame);
this.data = frame.Payload;
this.offset = dataFrame.DataIdx;
this.maxOffset = dataFrame.DataIdx + dataFrame.DataLength;
return(true);
}