Source code for pcapkit.const.mh.handoff_type
# -*- coding: utf-8 -*-
# pylint: disable=line-too-long,consider-using-f-string
"""Handoff Indicator Option Type Values
==========================================
.. module:: pcapkit.const.mh.handoff_type
This module contains the constant enumeration for **Handoff Indicator Option Type Values**,
which is automatically generated from :class:`pcapkit.vendor.mh.handoff_type.HandoffType`.
"""
from aenum import IntEnum, extend_enum
__all__ = ['HandoffType']
[docs]
class HandoffType(IntEnum):
"""[HandoffType] Handoff Indicator Option Type Values"""
#: Reserved [:rfc:`5213`]
Reserved_0 = 0
#: Attachment over a new interface [:rfc:`5213`]
Attachment_over_a_new_interface = 1
#: Handoff between two different interfaces of the mobile node [:rfc:`5213`]
Handoff_between_two_different_interfaces_of_the_mobile_node = 2
#: Handoff between mobile access gateways for the same interface [:rfc:`5213`]
Handoff_between_mobile_access_gateways_for_the_same_interface = 3
#: Handoff state unknown [:rfc:`5213`]
Handoff_state_unknown = 4
#: Handoff state not changed (Re-registration) [:rfc:`5213`]
Handoff_state_not_changed = 5
#: Attachment over a new interface sharing prefixes [:rfc:`7864`]
Attachment_over_a_new_interface_sharing_prefixes = 6
@staticmethod
def get(key: 'int | str', default: 'int' = -1) -> 'HandoffType':
"""Backport support for original codes.
Args:
key: Key to get enum item.
default: Default value if not found.
:meta private:
"""
if isinstance(key, int):
return HandoffType(key)
if key not in HandoffType._member_map_: # pylint: disable=no-member
return extend_enum(HandoffType, key, default)
return HandoffType[key] # type: ignore[misc]
[docs]
@classmethod
def _missing_(cls, value: 'int') -> 'HandoffType':
"""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 <= 255:
#: Unassigned
return extend_enum(cls, 'Unassigned_%d' % value, value)
return super()._missing_(value)