def parseDeviceReadResponse(self, deviceID: int, completionID: int,
ioStatus: int,
stream: BytesIO) -> DeviceReadResponsePDU:
length = Uint32LE.unpack(stream)
payload = stream.read(length)
return DeviceReadResponsePDU(deviceID, completionID, ioStatus, payload)
def parseReadResponse(self, pdu: DeviceIOResponsePDU) -> DeviceReadResponsePDU:
"""
Starts at length (just before readData). This one is a bit special since we need
to look at previous packet before parsing it as a read response, and we need the packet data.
"""
stream = BytesIO(pdu.payload)
length = Uint32LE.unpack(stream)
readData = stream.read(length)
return DeviceReadResponsePDU(pdu.deviceId, pdu.completionId, pdu.ioStatus, readData)