def parse(self, decryptionKey=None):
if decryptionKey is not None:
self.decrypt(decryptionKey)
reader = BufferReader(self._data)
reader.skip(2)
if self.opCode == 7:
try:
self.payload = parseOpcode7(reader.getRemainingBytes())
except CrownstoneException:
self.payload = AdvUnknownData()
self.payload.data = self._data
raise CrownstoneException(
CrownstoneError.INVALID_SERVICE_DATA,
"Protocol not supported. Unknown data type. Could be because decryption failed."
)
elif self.opCode == 6:
self.payload = parseOpCode6(reader.getRemainingBytes())
else:
self.payload = AdvUnknownData()
self.payload.data = self._data
raise CrownstoneException(
CrownstoneError.INVALID_SERVICE_DATA,
"Protocol not supported. Unknown opcode.")
def load(self, data):
reader = BufferReader(data)
self.stateType = reader.getUInt16()
self.id = reader.getUInt16()
self.persistenceMode = reader.getUInt8()
reserved = reader.getUInt8()
self.payload = reader.getRemainingBytes()
def parse(self, data: list):
"""
Parses data.
:returns True on success.
"""
try:
reader = BufferReader(data)
self.opCode = reader.getUInt16()
self.payload = reader.getRemainingBytes()
return True
except CrownstoneError as e:
_LOGGER.warning(F"Parse error: {e}")
return False
def parse(self, buffer: list):
"""
Parses data between size field and CRC.
:returns True on success.
"""
reader = BufferReader(buffer)
try:
self.protocolMajor = reader.getUInt8()
self.protocolMinor = reader.getUInt8()
self.messageType = reader.getUInt8()
self.payload = reader.getRemainingBytes()
return True
except CrownstoneError as e:
_LOGGER.warning(F"Parse error: {e}")
return False
def _parse(self, reader: BufferReader): self.header.parse(reader) self.offset = reader.getUInt16() self.binaryChunk = reader.getRemainingBytes()
def _deserialize(self, reader: BufferReader):
self.header.deserialize(reader)
self.offset = reader.getUInt16()
self.binaryChunk = reader.getRemainingBytes()
def _deserialize(self, reader: BufferReader):
self.header.deserialize(reader)
self.elementType = reader.getUInt8()
self.elementSize = reader.getUInt8()
self.elementData = reader.getRemainingBytes()
