mirror of
https://github.com/kokarare1212/librespot-python.git
synced 2024-09-30 08:21:18 +02:00
60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
import struct
|
|
|
|
|
|
class Packet:
|
|
__FLAG_RESPONSE: int = 15
|
|
__FLAG_AA: int = 10
|
|
__questions: list
|
|
__answers: list
|
|
__authorities: list
|
|
__additionals: list
|
|
__id: int
|
|
__flags: int
|
|
__address: str
|
|
|
|
def __init__(self, _id: int):
|
|
self.__id = _id
|
|
self.__questions = []
|
|
self.__answers = []
|
|
self.__authorities = []
|
|
self.__additionals = []
|
|
|
|
def get_address(self) -> str:
|
|
return self.__address
|
|
|
|
def set_address(self, address: str) -> None:
|
|
self.__address = address
|
|
|
|
def get_id(self) -> int:
|
|
return self.__id
|
|
|
|
def is_response(self) -> bool:
|
|
return self.__is_flag(self.__FLAG_RESPONSE)
|
|
|
|
def set_response(self, on: bool) -> None:
|
|
self.__set_flag(self.__FLAG_RESPONSE, on)
|
|
|
|
def is_authoritative(self) -> bool:
|
|
return self.__is_flag(self.__FLAG_AA)
|
|
|
|
def set_authoritative(self, on: bool) -> None:
|
|
self.__set_flag(self.__FLAG_AA, on)
|
|
|
|
def __is_flag(self, flag: int):
|
|
return (self.__flags & (1 << flag)) != 0
|
|
|
|
def __set_flag(self, flag: int, on: bool):
|
|
if on:
|
|
self.__flags |= (1 << flag)
|
|
else:
|
|
self.__flags &= ~(1 << flag)
|
|
|
|
def read(self, inp: bytes, address: str):
|
|
self.__address = address
|
|
self.__id = struct.unpack("<h", inp[0:2])[0]
|
|
self.__flags = struct.unpack("<h", inp[2:4])[0]
|
|
num_questions = struct.unpack("<h", inp[4:6])[0]
|
|
num_answers = struct.unpack("<h", inp[6:8])[0]
|
|
num_authorities = struct.unpack("<h", inp[8:10])[0]
|
|
num_additionals = struct.unpack("<h", inp[10:12])[0]
|