78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
# -*- coding: UTF-8 -*-
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#/**
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# * Software Name : pycrate
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# * Version : 0.4
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# *
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# * Copyright 2019. Benoit Michau. P1Sec.
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# *
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# * This library is free software; you can redistribute it and/or
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# * modify it under the terms of the GNU Lesser General Public
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# * License as published by the Free Software Foundation; either
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# * version 2.1 of the License, or (at your option) any later version.
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# *
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# * This library is distributed in the hope that it will be useful,
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# * Lesser General Public License for more details.
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# *
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# * You should have received a copy of the GNU Lesser General Public
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# * License along with this library; if not, write to the Free Software
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# * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# * MA 02110-1301 USA
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# *
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# *--------------------------------------------------------
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# * File Name : pycrate_mobile/TS24588_UEPOL.py
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# * Created : 2019-12-18
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# * Authors : Benoit Michau
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# *--------------------------------------------------------
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#*/
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__all__ = [
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'V2XPInfos',
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'V2XPInfo',
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]
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#------------------------------------------------------------------------------#
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# 3GPP TS 24.588: Vehicle-to-Everything (V2X) services in 5G System (5GS); User Equipment (UE) policies
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# draft release 16 (101)
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#------------------------------------------------------------------------------#
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from pycrate_core.utils import *
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from pycrate_core.elt import *
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from pycrate_core.base import *
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#------------------------------------------------------------------------------#
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# Encoding of V2X policy (V2XP) UE policy part
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# TS 24.526, section 5.2
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#------------------------------------------------------------------------------#
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_V2XPInfoType_dict = {
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1 : 'UE policies for V2X communication over PC5',
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2 : 'UE policies for V2X communication over Uu'
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}
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class V2XPInfo(Envelope):
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_GEN = (
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Uint('spare', bl=4, rep=REPR_HEX),
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Uint('Type', bl=4, dic=_V2XPInfoType_dict),
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Uint16('Len'),
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Alt('Cont', GEN={
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1 : Buf('PC5', val=b'', rep=REPR_HEX),
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2 : Buf('Uu', val=b'', rep=REPR_HEX)
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},
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DEFAULT=Buf('unk', val=b'', rep=REPR_HEX),
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sel=lambda self: self.get_env()['Type'].get_val())
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)
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def __init__(self, *args, **kwargs):
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Envelope.__init__(self, *args, **kwargs)
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self[2].set_valauto(lambda: self[3].get_len())
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self[3].set_blauto(lambda: self[2].get_val()<<3)
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# Figure 5.2.1.2: V2XP contents
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class V2XPInfos(Sequence):
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_GEN = V2XPInfo()
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