def test_IPv6_t():
# pylint: disable=line-too-long
pkt = b"X\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xc0\xa8\x00\xee\xea\xec\xfa\xf9"
stream = BitStreamReader(pkt)
assert stream.byte() == 88
assert stream.byte() == 1
assert stream.bits(5) == 0
assert stream.bit() == 0
assert stream.bits(2) == 0
assert stream.byte() == 6
ipv6 = IPv6.deserialize(stream)
assert ipv6 == ipaddress.ip_address("::ffff:c0a8:ee")
streamWriter = BitStreamWriter()
ipv6.serialize(streamWriter)
assert (
streamWriter ==
b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xc0\xa8\x00\xee")
def deserialize(cls, stream: BitStreamReader):
"""Deserialize metadata extension"""
retval = {}
while stream.bytesLeft():
metadataType = stream.bits(7)
_critical = stream.bit()
length = stream.byte()
retval[metadataType] = stream.value(length)
return retval
