ToorChat/libtoorchat.py

63 lines
1.9 KiB
Python

USER_NAME_SIZE = 9
class ToorChatProtocol():
''' This is a class to allow for easy of use with anything to do with messaging '''
def __init__(self, device):
self.PACKET_START = "\xFF\xDE\xAD\xFF"
self.PACKET_END = "\xFF\xBE\xEF\xFF"
self.device = device
def send_message(self, message = "", user = None):
''' This is used to send a simple message over the toorchat protocol '''
msg = ToorChatMessage(message, user)
self.device.RFxmit(msg.to_string())
return msg
@classmethod
def parse_message(cls, raw_message):
message = ToorChatMessage()
message.raw = raw_message
start_index = raw_message.find(ToorChatProtocol.get_packet_start())
end_index = raw_message.find(ToorChatProtocol.get_packet_end())
if start_index == -1 or end_index == -1:
return None
message.start = raw_message[start_index:start_index + 4]
message.xid = raw_message[start_index + 4: start_index + 12]
message.user = raw_message[start_index + 12: start_index + 21]
message.data = raw_message[start_index + 21: end_index]
message.end = raw_message[end_index: end_index+4]
return message
@classmethod
def get_packet_start(cls):
return "\xFF\xDE\xAD\xFF"
@classmethod
def get_packet_end(cls):
return "\xFF\xBE\xEF\xFF"
class ToorChatMessage():
''' This is a simple Message object wrapper to make things cleaner '''
def __init__(self, message = "", user = None):
self.raw = None
self.start = ToorChatProtocol.get_packet_start()
self.xid = self.get_random_xid()
if user != None:
self.user = user
if len(self.user) < USER_NAME_SIZE:
self.user = self.user + " "* (USER_NAME_SIZE-len(self.user))
else:
self.user = "anonymous"
self.data = message
self.end = ToorChatProtocol.get_packet_end()
def get_random_xid(self):
return "44444444"
def __str__(self):
return self.start + self.xid + self.user + self.data + self.end
def to_string(self):
return self.__str__()