code: def decodeLength(length):
          
          bytes_length = len(length)
  
          if bytes_length < 2:
              offset = b'\x00\x00\x00'
              XOR = 0
          elif bytes_length < 3:
              offset = b'\x00\x00'
              XOR = 0x8000
          elif bytes_length < 4:
              offset = b'\x00'
              XOR = 0xC00000
          elif bytes_length < 5:
              offset = b''
              XOR = 0xE0000000
          else:
              raise ConnectionError('Unable to decode length of {}'.format(length))
  
          decoded = unpack('!I', (offset + length))[0]
          decoded ^= XOR
          return decoded
docs: Decode length based on given bytes.
  
          :param length: Bytes string to decode.
          :return: Decoded length.