Source code for pcapkit.const.hip.nat_traversal
# -*- coding: utf-8 -*-
# pylint: disable=line-too-long,consider-using-f-string
"""HIP NAT Traversal Modes
=============================
This module contains the constant enumeration for **HIP NAT Traversal Modes**,
which is automatically generated from :class:`pcapkit.vendor.hip.nat_traversal.NATTraversal`.
"""
from aenum import IntEnum, extend_enum
__all__ = ['NATTraversal']
[docs]class NATTraversal(IntEnum):
"""[NATTraversal] HIP NAT Traversal Modes"""
#: Reserved [:rfc:`5770`]
Reserved_0 = 0
#: UDP-ENCAPSULATION [:rfc:`5770`]
UDP_ENCAPSULATION = 1
#: ICE-STUN-UDP [:rfc:`5770`]
ICE_STUN_UDP = 2
#: ICE-HIP-UDP [:rfc:`9028`]
ICE_HIP_UDP = 3
@staticmethod
def get(key: 'int | str', default: 'int' = -1) -> 'NATTraversal':
"""Backport support for original codes.
Args:
key: Key to get enum item.
default: Default value if not found.
"""
if isinstance(key, int):
return NATTraversal(key)
if key not in NATTraversal._member_map_: # pylint: disable=no-member
extend_enum(NATTraversal, key, default)
return NATTraversal[key] # type: ignore[misc]
[docs] @classmethod
def _missing_(cls, value: 'int') -> 'NATTraversal':
"""Lookup function used when value is not found.
Args:
value: Value to get enum item.
"""
if not (isinstance(value, int) and 0 <= value <= 65535):
raise ValueError('%r is not a valid %s' % (value, cls.__name__))
if 4 <= value <= 65535:
#: Unassigned
extend_enum(cls, 'Unassigned_%d' % value, value)
return cls(value)
return super()._missing_(value)