def test_set_receive_timestamp(self): # Arrange ntp_raw = RawNTP() # Act ntp_raw.set_receive_timestamp(_TEST_BIN_64BIT) # Assert self.assertEqual(len(ntp_raw._raw), 384)
def init_ntp_pck(num_of_digits_to_fill_up: int = 12) -> NTP: """ Creates a new NTP package, fills all 4 64 bit timestamps with the current time and fills up the last bits with random values, since they are set to 0 by Scapy :param num_of_digits_to_fill_up: The amount of digits to fill up. :return: The newly created NTP package """ ntp = NTP() ntp.ref = ntp_time_now() ntp.sent = ntp_time_now() ntp.orig = ntp_time_now() ntp.recv = ntp_time_now() raw_ntp = RawNTP(ntp) f_ref = raw_ntp.reference_timestamp() f_trans = raw_ntp.transmit_timestamp() f_orig = raw_ntp.origin_timestamp() f_recv = raw_ntp.receive_timestamp() for i in range(num_of_digits_to_fill_up): pos = 64 - i f_ref = f_ref[:pos - 1] + str(random.randint(0, 1)) + f_ref[pos:] f_trans = f_trans[:pos - 1] + str(random.randint(0, 1)) + f_trans[pos:] f_orig = f_orig[:pos - 1] + str(random.randint(0, 1)) + f_orig[pos:] f_recv = f_recv[:pos - 1] + str(random.randint(0, 1)) + f_recv[pos:] assert len(f_ref) == 64 assert len(f_trans) == 64 assert len(f_orig) == 64 assert len(f_recv) == 64 raw_ntp.set_reference_timestamp(f_ref) raw_ntp.set_transmit_timestamp(f_trans) raw_ntp.set_origin_timestamp(f_orig) raw_ntp.set_receive_timestamp(f_recv) ntp = raw_ntp.ntp() return ntp