public void Read(
ByteBuf byteBuf,
ref WebSocketReadState state,
out WebSocketFrame frame,
out IWebSocketDecoderStep nextStep)
{
frame = null;
nextStep = null;
if (byteBuf.ReadableBytes() < 2)
{
return;
}
state.Clear();
byte headerByte1 = byteBuf.ReadByte();
byte headerByte2 = byteBuf.ReadByte();
state.Fin = (headerByte1 & Utils.MaskFin) == Utils.MaskFin;
state.OpCode = (byte)(headerByte1 & Utils.MaskOpCode);
state.Mask = (headerByte2 & Utils.MaskMask) == Utils.MaskMask;
state.PayloadLen = (byte)(headerByte2 & Utils.MaskPayloadLen);
if (state.PayloadLen > 125)
{
nextStep = _readExtendedLenStep;
}
else if (state.Mask)
{
nextStep = _readMaskingKeyStep;
}
else
{
nextStep = _readPayloadDataStep;
}
}
public void Clear()
{
_currentStep.Clear();
_currentStep = _readHeaderStep;
_state.Clear();
}