Coverage for antikythera/packets/page.py : 90%

#!/usr/bin/env python 

# -*- coding: utf-8 -*- 

""" GSM paging packets. 

""" 

import sys 

import logging 

from antikythera.packets.packet import Packet 

__copyright__ = "Finding Ray" 

__license__ = "gpl3" 

_logger = logging.getLogger(__name__) 

class Page(Packet): 

""" Paging packet attributes and factory. 

""" 

def __init__(self): 

super().__init__() 

self.packet_class = "Paging" 

class Factory: 

""" Paging packet factory. 

""" 

@staticmethod 

def create(type, data): 

""" Create a paging packet of the given type. 

Args: 

type (str): the type of packet subclass to create. 

data: the data to construct the packet with. 

""" 

if type == "Type1": return Type1(data) 

elif type == "Type2": return Type2(data) 

40 ↛ 42line 40 didn't jump to line 42, because the condition on line 40 was never false elif type == "Type3": return Type3(data) 

else: 

_logger.critical("Bad packet creation of type: " + type) 

sys.exit(127) 

class Type1(Page): 

""" Type1 GSM Paging Packet. 

Args: 

data: the data to construct the packet with. 

The Type1 GSM Page packet is contains only a single IMSI and either 

TMSI/P-TMSI, along with some system information for the ones being 

paged. 

Attributes: 

imsi: The IMSI of the person being paged by the network. 

page_mode: The mode of paging. 

channel_needed: The channel to connect on. 

tmsi: The TMSI for the person being paged. 

ptmsi: The P-TMSI for the person being paged. 

""" 

def __init__(self, data): 

super().__init__() 

self.data = self.decode(data) 

self.imsi = None 

self.tmsi = None 

self.ptmsi = None 

self.page_mode = None 

self.channel_needed = None 

def __str__(self): 

return "Type1 paging packet" 

def decode(self, data): 

return data 

class Type2(Page): 

""" Type2 GSM Paging Packet. 

Args: 

data: the data to construct the packet with. 

The Type2 GSM Page packets contains either a pair of TMSI/P-TMSI 

to page or an IMSI, along with some system information. 

Attributes: 

page_mode: The mode of paging. 

channel_needed: The channel to connect on. 

tmsis: A list of TMSIs being paged. 

ptmsis: A list of P-TMSIs being paged. 

imsi: The IMSI of the person being paged by the network. 

""" 

def __init__(self, data): 

super().__init__() 

self.data = self.decode(data) 

self.imsi = None 

self.tmsis = [] 

self.ptmsis = [] 

self.page_mode = None 

self.channel_needed = None 

def __str__(self): 

return "Type2 paging packet" 

def decode(self, data): 

return data 

class Type3(Page): 

""" Type3 GSM Paging Packet. 

Args: 

data: the data to construct the packet with. 

The Type3 GSM Page packets contains four different TMSI/P-TMSI 

to page, along with some system information. 

Attributes: 

ptmsis: A list of P-TMSIs being paged by the network. 

tmsis: A list of TMSIs being paged by the network. 

page_mode: The mode of paging. 

channel_needed: The channel to connect on. 

""" 

def __init__(self, data): 

super().__init__() 

self.data = self.decode(data) 

self.tmsis = [] 

self.ptmsis = [] 

self.page_mode = None 

self.channel_needed = None 

def __str__(self): 

return "Type3 paging packet" 

def decode(self, data): 

return data