def __init__(self, datas): print(" IPHead Initing") self._IP_version_4b = ByteTool.disassembleBytes(datas[0:1], 0, 3) self._IP_len_4b = ByteTool.disassembleBytes(datas[0:1], 4, 7) * 4 self._DS_1B = int.from_bytes(datas[1:2], "big") self._total_len_2B = int.from_bytes(datas[2:4], "big") self._identification_2B = int.from_bytes(datas[4:6], "big") self._flag_3b = ByteTool.disassembleBytes(datas[6:8], 0, 2) self._deviation_13b = ByteTool.disassembleBytes(datas[6:8], 3, 15) self._TTL_1B = int.from_bytes(datas[8:9], "big") self._protocol_1B = int.from_bytes(datas[9:10], "big") self._check_sum_2B = int.from_bytes(datas[10:12], "big") self._srcIp_4B = int.from_bytes(datas[12:16], "big") self._dstIp_4B = int.from_bytes(datas[16:19], "big")
def __init__(self, datas): print(" TCP Initing") self._src_port_2B = int.from_bytes(datas[0:2], "big") self._dst_port_2B = int.from_bytes(datas[2:4], "big") self._seq_number_4B = int.from_bytes(datas[4:8], "big") self._ack_number_4B = int.from_bytes(datas[8:12], "big") self._TCP_len_4b = ByteTool.disassembleBytes(datas[12:13], 0, 3) * 4 self._flag_1B = int.from_bytes(datas[13:14], "big") self._window_2B = int.from_bytes(datas[14:16], "big") self._check_sum_2B = int.from_bytes(datas[16:18], "big") self._urgent_flag_2B = int.from_bytes(datas[18:20], "big") self._option_len = self._TCP_len_4b - 20 self._option = int.from_bytes(datas[20:20 + self._option_len], "big") if INFORM == 1: print(self.__str__())