class SI_4(Layer3):
'''
Net -> ME (in BCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 28)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Str('LAI', ReprName='Location Area Identity', Pt=LAI(), Len=5, \
Repr='hex'), # 44018, 10.5.1.3, in L3Mobile_IE.py
Str('CellSel', ReprName='Cell Selection Parameters', \
Pt=CellSel(), Len=2), # 44018, 10.5.2.4
Str('RACHCtrl', ReprName='RACH Control Parameters', Pt=RACHCtrl(),\
Len=3), # 44018, 10.5.2.29, in L3GSM_IE.py
Type3_TV('ChanDesc', ReprName='CBCH Channel Description', T=0x7C, \
V=ChanDesc(), Len=3), # 44018, 10.5.2.5, in L3GSM_IE.py
Type4_TLV('MobAlloc', ReprName='CBCH Mobile Allocation', T=0x72, \
V=MobAlloc()), # 44018, 10.5.2.21, in L3GSM_IE.py
StrRR('SI4RestOctets', Repr='hex')]) # 44018, 10.5.2.35
self._post_init(with_options, **kwargs)
if hasattr(self.CellSel, 'ACS'): self.CellSel.ACS.Dict = ACS_SI4_dict
# L2 pseudo header automation
self.len.Pt = self.MobAlloc
self.len.PtFunc = lambda m: len(m)+16
self.SI4RestOctets.Len = self.len
self.SI4RestOctets.LenFunc = lambda l: 22-l()
class PAGING_REQUEST_2(Layer3):
'''
Net -> ME (in CCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 34)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Bit('ChanNeedID2', ReprName='Channel needed', Pt=1, BitLen=2, \
Dict=ChanNeed_dict, Repr='hum'), # 10.5.2.8
Bit('ChanNeedID1', ReprName='Channel needed', Pt=1, BitLen=2, \
Dict=ChanNeed_dict, Repr='hum'), # 10.5.2.8
Bit('Page', ReprName='Page mode', Pt=0, BitLen=4, \
Dict=Page_dict, Repr='hum'), # 10.5.2.26
# only TMSI / P-TMSI, 10.5.2.42, for the 2 mandatory IDs
Str('TMSI_1', Pt='\0\0\0\0', Len=4, Repr='hex'),
Str('TMSI_2', Pt='\0\0\0\0', Len=4, Repr='hex'),
Type4_TLV('ID', T=0x17, V=ID()), # can be MBMS, but never IMEI
StrRR('P2RestOctets', Repr='hex')])
self._post_init(with_options, **kwargs)
# Now, automatic fields
# L2 pseudo header
self.len.Pt = self.ID
self.len.PtFunc = lambda i: len(i)+11
self.P2RestOctets.Len = self.len
self.P2RestOctets.LenFunc = lambda l: 22-l()
class SI_3(Layer3):
'''
Net -> ME (in BCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 27)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Str('CellID', Pt='\0\0', ReprName='Cell identity', Len=2, \
Repr='hex'), # 44018, 10.5.1.1
Str('LAI', ReprName='Location Area Identity', Pt=LAI(), \
Len=5), # 44018, 10.5.1.3, in L3Mobile_IE.py
Str('CChanDesc', ReprName='Control Channel Description', \
Pt=CChanDesc(), Len=3), # 44018, 10.5.2.11, in L3GSM_IE.py
Str('CellOpt', ReprName='Cell Options (BCCH)', Pt=CellOpt(), \
Len=1), # 44018, 10.5.2.3, in L3GSM_IE.py
Str('CellSel', ReprName='Cell Selection Parameters', \
Pt=CellSel(), Len=2), # 44018, 10.5.2.4
Str('RACHCtrl', ReprName='RACH Control Parameters', Pt=RACHCtrl(),\
Len=3), # 44018, 10.5.2.29
StrRR('SI3RestOctets', Len=4, Repr='hex')]) # 44018, 10.5.2.33a
self._post_init(with_options, **kwargs)
self.len.Pt = 18
if hasattr(self.CellSel, 'ACS'):
self.CellSel.ACS.Dict = ACS_SI3_dict
class PAGING_REQUEST_1(Layer3):
'''
Net -> ME (in CCCH)
Dual
# content #
Page mode: 4 bits
... options ...
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 33)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Bit('ChanNeedID2', ReprName='Channel needed', Pt=1, BitLen=2, \
Dict=ChanNeed_dict, Repr='hum'), # 10.5.2.8
Bit('ChanNeedID1', ReprName='Channel needed', Pt=1, BitLen=2, \
Dict=ChanNeed_dict, Repr='hum'), # 10.5.2.8
Bit('Page', ReprName='Page mode', Pt=0, BitLen=4, \
Dict= Page_dict, Repr='hum'), # 10.5.2.26
Type4_LV('ID', V=ID()), # never IMEI, in L3Mobile_IE.py
Type4_TLV('ID_2', T=0x17, V=ID()), # never IMEI, in L3Mobile_IE.py
StrRR('P1RestOctets', Repr='hex')])
self._post_init(with_options, **kwargs)
# L2 pseudo header automation
self.len.Pt = (self.ID, self.ID_2)
self.len.PtFunc = lambda x: sum(map(len, x))+3
self.P1RestOctets.Len = self.len
self.P1RestOctets.LenFunc = lambda l: 22-l()
class SI_13(Layer3):
'''
Net -> ME (in BCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 0)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
StrRR('SI13RestOctets', Len=20, Repr='hex')]) # 44018, 10.5.2.33a
self._post_init(with_options, **kwargs)
self.len.Pt = 0
class SI_2(Layer3):
'''
Net -> ME (in BCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 26)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Str('BCCHFreq', ReprName='Neighbour Cell Description', \
Pt=BCCHFreq(), Len=16), # 44018, 10.5.2.22, in L3GSM_IE.py
Bit('NCCPerm', ReprName='NCC Permitted', Pt=255, BitLen=8, \
Repr='bin'), # 44018, 10.5.2.27
Str('RACHCtrl', ReprName='RACH Control Parameters', Pt=RACHCtrl(),\
Len=3)]) # 44018, 10.5.2.29, in L3GSM_IE.py
self._post_init(with_options, **kwargs)
self.len.Pt = 22
class IMMEDIATE_ASSIGNMENT(Layer3):
'''
Net -> ME (in CCCH)
Dual
# content #
Page mode: 4 bits
Dedicated mode: 4 bits,
Channel description: 3 bytes, conditional to Dedicated mode
Packet channel description: 3 bytes, conditional to Dedicated mode
... options ...
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 63)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Bit('Dedicated', ReprName='Dedicated mode or TBF', Pt=0, \
BitLen=4, Repr='hum', Dict=Dedic_dict),
Bit('Page', ReprName='Page mode', Pt=0, BitLen=4, Repr='hum', \
Dict=Page_dict),
Str('ChanDesc', ReprName='Channel description', \
Pt=ChanDesc(), Len=3), # 44018, 10.5.2.5, in L3GSM_IE.py
Str('PChanDesc', ReprName='Packet channel description', \
Pt=PChanDesc(build_auto=True), Len=3), # TODO: 44018, 10.5.2.25a
Str('ReqRef', ReprName='Request reference', Pt=ReqRef(), \
Len=3), # TODO: 44018, 10.5.2.30
Int('TimeAdv', ReprName='Timing Advance', Pt=0, Type='uint8'),
Type4_LV('MobAlloc', ReprName='Mobile allocation', \
V=MobAlloc()), # 44018, 10.5.2.21, in L3GSM_IE.py
Type3_TV('Start', ReprName='Starting time', T=0x7C, \
V='\0\0', Len=2), # 44018, 10.5.2.38
StrRR('IARestOctets', Repr='hex')]) # 44018, 10.5.2.16
self._post_init(with_options, **kwargs)
# L2 pseudo header automation
self.len.Pt = (self.ChanDesc, self.PChanDesc, self.MobAlloc, self.Start)
self.len.PtFunc = lambda x: sum(map(len, x))+7
self.IARestOctets.Len = self.len
self.IARestOctets.LenFunc = lambda l: 22-l()
# Handling of packet / CS dedicated chan assignment
self.ChanDesc.Trans = self.Dedicated
self.ChanDesc.TransFunc = lambda dedi: False if dedi() == 0 else True
self.PChanDesc.Trans = self.Dedicated
self.PChanDesc.TransFunc = lambda dedi: False if dedi() in (1,3,5,7) \
else True
class SI_2ter(Layer3):
'''
Net -> ME (in BCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 3)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Str('ExtBCCHFreq', ReprName='Neighbour Cell Description', \
Pt=ExtBCCHFreq(), Len=16), # 44018, 10.5.2.22, in L3GSM_IE.py
#StrRR('SI2terRestOctets', Len=4, Repr='hex')]) # 10.5.2.33a
StrRR('SI2terRestOctets', Repr='hex')])
self._post_init(with_options, **kwargs)
#self.len.Pt = 18
# standard rest octet is 4 bytes for SI2ter
# L2 pseudo header automation
self.len.Pt = self.ExtBCCHFreq
self.len.PtFunc = lambda e: len(e)+2
self.SI2terRestOctets.Len = self.len
self.SI2terRestOctets.LenFunc = lambda l: 22-l()
class SI_2bis(Layer3):
'''
Net -> ME (in BCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 2)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Str('ExtBCCHFreq', ReprName='Neighbour Cell Description', \
Pt=ExtBCCHFreq(), Len=16), # 44018, 10.5.2.22, in L3GSM_IE.py
Str('RACHCtrl', ReprName='RACH Control Parameters', Pt=RACHCtrl(),\
Len=3), # 44018, 10.5.2.29, in L3GSM_IE.py
StrRR('SI2bisRestOctets', Len=1, Repr='hex')]) # 10.5.2.33
self._post_init(with_options, **kwargs)
#self.len.Pt = 21
# standard rest octet is 1 byte for SI2bis
# L2 pseudo header automation
self.len.Pt = (self.ExtBCCHFreq, self.RACHCtrl)
self.len.PtFunc = lambda (e, r): len(e)+len(r)+2
self.SI2bisRestOctets.Len = self.len
self.SI2bisRestOctets.LenFunc = lambda l: 22-l()
class PAGING_REQUEST_3(Layer3):
'''
Net -> ME (in CCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 36)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Bit('ChanNeedID2', ReprName='Channel needed', Pt=1, BitLen=2, \
Dict=ChanNeed_dict, Repr='hum'), # 10.5.2.8
Bit('ChanNeedID1', ReprName='Channel needed', Pt=1, BitLen=2, \
Dict=ChanNeed_dict, Repr='hum'), # 10.5.2.8
Bit('Page', ReprName='Page mode', Pt=0, BitLen=4, \
Dict=Page_dict, Repr='hum'), # 10.5.2.26
# only TMSI / P-TMSI, 10.5.2.42, for the 4 mandatory IDs
Str('TMSI_1', Pt='\0\0\0\0', Len=4, Repr='hex'),
Str('TMSI_2', Pt='\0\0\0\0', Len=4, Repr='hex'),
Str('TMSI_3', Pt='\0\0\0\0', Len=4, Repr='hex'),
Str('TMSI_4', Pt='\0\0\0\0', Len=4, Repr='hex'),
StrRR('P3RestOctets', Len=3, Repr='hex')]) # 10.5.2.25
self._post_init(with_options, **kwargs)
self.len.Pt = 19
class SI_1(Layer3):
'''
Net -> ME (in BCCH)
Dual
'''
constructorList = [ie for ie in LengthRR()] + [ie for ie in Header(6, 25)]
def __init__(self, with_options=True, **kwargs):
Layer3.__init__(self)
self.extend([ \
Str('CellChan', ReprName='Cell Channel Description', \
Pt=CellChan(), Len=16), # 44018, 10.5.2.1b, in L3Mobile_RR.py
Str('RACHCtrl', ReprName='RACH Control Parameters', Pt=RACHCtrl(),\
Len=3), # 44018, 10.5.2.29, in L3Mobile_RR.py
# rest octet is purely padding: 2b
StrRR('SI1RestOctets', Repr='hex')])
#StrRR('SI1RestOctets', Len=1, Repr='hex')]) # 10.5.2.32
self._post_init(with_options, **kwargs)
#self.len.Pt = 21
# standard rest octet is 1 byte for SI1
# L2 pseudo header automation
self.len.Pt = (self.CellChan, self.RACHCtrl)
self.len.PtFunc = lambda (c, r): len(c)+len(r)+2
self.SI1RestOctets.Len = self.len
self.SI1RestOctets.LenFunc = lambda l: 22-l()