Source code for pcapkit.const.ipv6.routing
# -*- coding: utf-8 -*-
# pylint: disable=line-too-long,consider-using-f-string
"""IPv6 Routing Types
========================
This module contains the constant enumeration for **IPv6 Routing Types**,
which is automatically generated from :class:`pcapkit.vendor.ipv6.routing.Routing`.
"""
from aenum import IntEnum, extend_enum
__all__ = ['Routing']
[docs]class Routing(IntEnum):
"""[Routing] IPv6 Routing Types"""
#: Source Route (DEPRECATED) [:rfc:`2460`][:rfc:`5095`]
Source_Route = 0
#: Nimrod (DEPRECATED 2009-05-06)
Nimrod = 1
#: Type 2 Routing Header [:rfc:`6275`]
Type_2_Routing_Header = 2
#: RPL Source Route Header [:rfc:`6554`]
RPL_Source_Route_Header = 3
#: Segment Routing Header (SRH) [:rfc:`8754`]
Segment_Routing_Header = 4
#: CRH-16 (TEMPORARY - registered 2021-06-07, extension registered 2022-04-25,
#: expires 2023-06-07) [draft-bonica-6man-comp-rtg-hdr-26]
CRH_16 = 5
#: CRH-32 (TEMPORARY - registered 2021-06-07, extension registered 2022-04-25,
#: expires 2023-06-07) [draft-bonica-6man-comp-rtg-hdr-26]
CRH_32 = 6
#: RFC3692-style Experiment 1 [:rfc:`4727`]
RFC3692_style_Experiment_1 = 253
#: RFC3692-style Experiment 2 [:rfc:`4727`]
RFC3692_style_Experiment_2 = 254
#: Reserved
Reserved_255 = 255
@staticmethod
def get(key: 'int | str', default: 'int' = -1) -> 'Routing':
"""Backport support for original codes.
Args:
key: Key to get enum item.
default: Default value if not found.
"""
if isinstance(key, int):
return Routing(key)
if key not in Routing._member_map_: # pylint: disable=no-member
extend_enum(Routing, key, default)
return Routing[key] # type: ignore[misc]
[docs] @classmethod
def _missing_(cls, value: 'int') -> 'Routing':
"""Lookup function used when value is not found.
Args:
value: Value to get enum item.
"""
if not (isinstance(value, int) and 0 <= value <= 255):
raise ValueError('%r is not a valid %s' % (value, cls.__name__))
if 7 <= value <= 252:
#: Unassigned
extend_enum(cls, 'Unassigned_%d' % value, value)
return cls(value)
return super()._missing_(value)