263     def get_normal_msg_size(self, logdata, offset):  argument
265         log_desc, _ = struct.unpack_from(self.fmt_msg_hdr, logdata, offset)
270     def parse_one_normal_msg(self, logdata, offset):  argument
273         log_desc, source_id = struct.unpack_from(self.fmt_msg_hdr, logdata, offset)
274         offset += struct.calcsize(self.fmt_msg_hdr)
276         timestamp = struct.unpack_from(self.fmt_msg_timestamp, logdata, offset)[0]
277         offset += struct.calcsize(self.fmt_msg_timestamp)
289         next_msg_offset = offset + pkg_len + data_len
292         offset_end_of_args = struct.unpack_from("B", logdata, offset)[0]
294         offset_end_of_args += offset
297         extra_data = logdata[(offset + pkg_len) : next_msg_offset]
300         num_packed_strings = struct.unpack_from("B", logdata, offset + 1)[0]
303         num_ro_str_indexes = struct.unpack_from("B", logdata, offset + 2)[0]
307         num_rw_str_indexes = struct.unpack_from("B", logdata, offset + 3)[0]
311         string_tbl = self.extract_string_table(logdata[offset_end_of_args : (offset + pkg_len)])
318         offset += self.data_types.get_sizeof(DataTypes.PTR)
327             self.data_types.get_formatter(DataTypes.PTR), logdata, offset
332         offset += self.data_types.get_sizeof(DataTypes.PTR)
338         args = self.process_one_fmt_str(fmt_str, logdata[offset:offset_end_of_args], string_tbl)
356     def parse_one_msg(self, logdata, offset):  argument
357         if offset + struct.calcsize(self.fmt_msg_type) > len(logdata):
358             return False, offset
361         msg_type = struct.unpack_from(self.fmt_msg_type, logdata, offset)[0]
364             if offset + struct.calcsize(self.fmt_dropped_cnt) > len(logdata):
365                 return False, offset
366             offset += struct.calcsize(self.fmt_msg_type)
368             num_dropped = struct.unpack_from(self.fmt_dropped_cnt, logdata, offset)[0]
369             offset += struct.calcsize(self.fmt_dropped_cnt)
374             if (offset + self.get_full_msg_hdr_size() > len(logdata)) or (
375                 offset + self.get_normal_msg_size(logdata, offset) > len(logdata)
377                 return False, offset
379             offset += struct.calcsize(self.fmt_msg_type)
381             ret = self.parse_one_normal_msg(logdata, offset)
385             offset = ret
391         return True, offset
395         offset = 0
398         while offset < len(logdata) and still_parsing:
399             still_parsing, offset = self.parse_one_msg(logdata, offset)
401         return offset