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-rw-r--r--lib/hipe/test/bs_SUITE_data/bs_decode.erl980
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diff --git a/lib/hipe/test/bs_SUITE_data/bs_decode.erl b/lib/hipe/test/bs_SUITE_data/bs_decode.erl
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+++ b/lib/hipe/test/bs_SUITE_data/bs_decode.erl
@@ -0,0 +1,980 @@
+%% -*- erlang-indent-level: 2 -*-
+
+-module(bs_decode).
+
+-export([test/0]).
+
+-include("bs_decode_extract.hrl").
+
+-define(PDU, <<30,16,0,90,0,1,0,0,255,255,255,255,81,67,101,7,0,0,0,96,
+ 6,12,146,18,14,0,15,252,16,0,0,17,0,0,128,0,2,241,33,131,
+ 0,20,7,97,112,110,48,49,51,97,8,101,114,105,99,115,115,
+ 111,110,2,115,101,132,0,20,128,192,35,16,1,5,0,16,5,117,
+ 115,101,114,53,5,112,97,115,115,53,133,0,4,172,28,12,1,
+ 133,0,4,172,28,12,3,134,0,8,145,148,113,129,0,0,0,0>>).
+
+-define(RES, {ok,{sesT_createReqV0,
+ {mvsgT_tid,{mvsgT_imsi,<<81,67,101,7,0,0,0,240>>},6},
+ [81,67,101,7,0,0,0,96],
+ {sesT_qualityOfServiceV0,1,4,9,2,18},
+ 0,subscribed,0,0,
+ {mvsgT_pdpAddressType,ietf_ipv4,[]},
+ [<<"apn013a">>,<<"ericsson">>,<<"se">>],
+ {masT_protocolConfigOptions,[],
+ {masT_pap,true,1,5,"user5","pass5"},
+ []},
+ {mvsgT_ipAddress,ipv4,172,28,12,1,0,0,0,0},
+ {mvsgT_ipAddress,ipv4,172,28,12,3,0,0,0,0},
+ {mvsT_msisdn,<<145,148,113,129,0,0,0,0>>}},
+ 1}).
+
+test() ->
+ ?RES = decode_v0_opt(42, ?PDU),
+ ok.
+
+decode_v0_opt(0, Pdu) ->
+ decode_gtpc_msg(Pdu);
+decode_v0_opt(N, Pdu) ->
+ decode_gtpc_msg(Pdu),
+ decode_v0_opt(N-1, Pdu).
+
+%%% --------------------------------------------------------------
+%%% #3.1.2 DECODE GTP-C MESSAGE
+%%% --------------------------------------------------------------
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% Function : decode_gtpc_msg(GTP_C_Message)->
+%%% {ok,Request,ControlDataUs} |
+%%% {fault,Cause,Request,ControlDataUs}
+%%%
+%%% Types : GTP_C_Message = binary(), GTP-C message from SGSN
+%%% Request = record(), Containing decoded request
+%%% ControlDataUS = record(), Containing header info
+%%% Cause = integer(), Error code
+%%%
+%%% Description: This function decodes a binary GTP-C message and
+%%% stores it in a record. Different records are used
+%%% for different message types.
+%%%
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+%%% Create PDP Context Request
+%%% GTP97, SNN=0
+%%% (No SNDCP N-PDU number)
+decode_gtpc_msg(<<0:3,_:4,0:1,16:8,_Length:16,SequenceNumber:16,
+ _FlowLabel:16,_SNDCP_N_PDU_Number:8,_:3/binary-unit:8,
+ TID:8/binary-unit:8,InformationElements/binary>>) ->
+ Errors = #protocolErrors{},
+ {ok,TID2} = tid_internal_storage(TID,[]),
+ EmptyCreateReq = #sesT_createReqV0{tid = TID2,
+ tidRaw = binary_to_list(TID)},
+ case catch decode_ie_create(InformationElements,0,Errors,EmptyCreateReq) of
+ {ok,CreateReq} ->
+ {ok,CreateReq,SequenceNumber};
+ {fault,Cause,CreateReq} ->
+ {fault,Cause,CreateReq,SequenceNumber};
+ {'EXIT',_Reason} ->
+ {fault,193,EmptyCreateReq,SequenceNumber}
+ end;
+
+%%% Update PDP Context Request
+%%% GTP97, SNN=0
+%%% (No SNDCP N-PDU number)
+decode_gtpc_msg(<<0:3,_:4,0:1,18:8,_Length:16,SequenceNumber:16,
+ _FlowLabel:16,_SNDCP_N_PDU_Number:8,_:3/binary-unit:8,
+ TID:8/binary-unit:8,InformationElements/binary>>) ->
+ io:format("hej", []),
+ Errors = #protocolErrors{},
+ {ok,TID2}=tid_internal_storage(TID,[]),
+ EmptyUpdateReq=#sesT_updateReqV0{tid=TID2,
+ tidRaw=binary_to_list(TID)},
+ case catch decode_ie_update(InformationElements,0,Errors,
+ EmptyUpdateReq) of
+ {ok,UpdateReq} ->
+ {ok,UpdateReq,SequenceNumber};
+ {fault,Cause,UpdateReq} ->
+ {fault,Cause,UpdateReq,SequenceNumber};
+ {'EXIT',Reason} ->
+ io:format("hej", []),
+ {fault,193,EmptyUpdateReq,SequenceNumber, Reason}
+ end;
+
+%%% Delete PDP Context Request
+%%% GTP97, SNN=0
+%%% (No SNDCP N-PDU number)
+decode_gtpc_msg(<<0:3,_:4,0:1,20:8,_Length:16,SequenceNumber:16,
+ _FlowLabel:16,_SNDCP_N_PDU_Number:8,_:3/binary-unit:8,
+ TID:8/binary-unit:8,_InformationElements/binary>>) ->
+ {ok,TID2} = tid_internal_storage(TID,[]),
+ DeleteReq = #sesT_deleteReqV0{tid=TID2},
+ {ok,DeleteReq,SequenceNumber};
+
+%%% Delete PDP Context Response
+%%% GTP97, SNN=0
+%%% (No SNDCP N-PDU number)
+decode_gtpc_msg(<<0:3,_:4,0:1,21:8,_Length:16,SequenceNumber:16,
+ _FlowLabel:16,_SNDCP_N_PDU_Number:8,_:3/binary-unit:8,
+ TID:8/binary-unit:8,InformationElements/binary>>) ->
+ {ok,TID2} = tid_internal_storage(TID,[]),
+ EmptyDeleteRes = #sesT_deleteResV0{tid=TID2},
+ case catch decode_ie_delete_res(InformationElements,0,EmptyDeleteRes) of
+ {ok, DeleteRes} ->
+ {ok,DeleteRes,SequenceNumber};
+ {fault,Cause,DeleteRes} ->
+ {fault,Cause,DeleteRes,SequenceNumber};
+ {'EXIT',_Reason} ->
+ {fault,193,EmptyDeleteRes,SequenceNumber}
+ end;
+
+%%% Error handling
+decode_gtpc_msg(_GTP_C_Message) ->
+ {fault}.
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% decode_ie_create/4
+%%% Decode information elements for Create PDP Context Request
+
+%%% All elements decoded
+decode_ie_create(<<>>,PresentIEs,Errors,CreateReq) ->
+ %% Check mandatory IE's
+ if
+ (PresentIEs band 16#77D) =/= 16#77D ->
+ {fault,202,CreateReq}; %Mandatory IE missing
+ true -> %OK
+ %% Check errors during decoding
+ case Errors of
+ #protocolErrors{invalidManIE=true} -> %Invalid mandatory IE
+ {fault,201,CreateReq}; %Mandatory IE incorrect
+ #protocolErrors{outOfSequence=true} -> %Out of sequence
+ {fault,193,CreateReq}; %Invalid message format
+ #protocolErrors{incorrectOptIE=true} -> %Incorrect optional IE
+ {fault,203,CreateReq}; %Optional IE incorrect
+ _ -> %OK
+ {ok,CreateReq}
+ end
+ end;
+
+%%% Quality of Service Profile, Mandatory
+decode_ie_create(<<6:8,QoSElement:3/binary-unit:8,Rest/binary>>,PresentIEs,
+ Errors,CreateReq) ->
+ if
+ (PresentIEs band 16#00000001) =:= 16#00000001 -> %Repeated IE's, ignore
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000001 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ <<_:2,DelayClass:3,ReliabilityClass:3,
+ PeakThroughput:4,_:1,PrecedenceClass:3,
+ _:3,MeanThroughput:5>> = QoSElement,
+ QoS=#sesT_qualityOfServiceV0{delayClass=DelayClass,
+ reliabilityClass=ReliabilityClass,
+ peakThroughput=PeakThroughput,
+ precedenceClass=PrecedenceClass,
+ meanThroughput=MeanThroughput},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{qos=QoS},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000001),
+ UpdatedErrors,UpdatedCreateReq);
+ true -> %OK
+ <<_:2,DelayClass:3,ReliabilityClass:3,
+ PeakThroughput:4,_:1,PrecedenceClass:3,
+ _:3,MeanThroughput:5>> = QoSElement,
+ QoS=#sesT_qualityOfServiceV0{delayClass=DelayClass,
+ reliabilityClass=ReliabilityClass,
+ peakThroughput=PeakThroughput,
+ precedenceClass=PrecedenceClass,
+ meanThroughput=MeanThroughput},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{qos=QoS},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000001),
+ Errors,UpdatedCreateReq)
+ end;
+
+%%% Recovery, Optional
+decode_ie_create(<<14:8,Recovery:8,Rest/binary>>,
+ PresentIEs,Errors,CreateReq) ->
+ if
+ (PresentIEs band 16#00000002) =:= 16#00000002 -> %Repeated IE, ignored
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000002 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{recovery=Recovery},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000002),
+ UpdatedErrors,UpdatedCreateReq);
+ true -> %OK
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{recovery=Recovery},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000002),Errors,
+ UpdatedCreateReq)
+ end;
+
+%%% Selection mode, Mandatory
+decode_ie_create(<<15:8,_:6,SelectionMode:2,Rest/binary>>,PresentIEs,
+ Errors,CreateReq) ->
+ if
+ (PresentIEs band 16#00000004) =:= 16#00000004 -> %Repeated IE, ignored
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000004 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{
+ selMode=selection_mode_internal_storage(SelectionMode)},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000004),
+ UpdatedErrors,UpdatedCreateReq);
+ true -> %OK
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{
+ selMode=selection_mode_internal_storage(SelectionMode)},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000004),Errors,
+ UpdatedCreateReq)
+ end;
+
+%%% Flow Label Data I, Mandatory
+decode_ie_create(<<16:8,FlowLabel:16,Rest/binary>>,PresentIEs,Errors,CreateReq) ->
+ if
+ (PresentIEs band 16#00000008) =:= 16#00000008 -> %Repeated IE, ignored
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000008 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{flowLblData=FlowLabel},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000008),
+ UpdatedErrors,UpdatedCreateReq);
+ true -> %OK
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{flowLblData=FlowLabel},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000008),Errors,
+ UpdatedCreateReq)
+ end;
+
+%%% Flow Label Signalling, Mandatory
+decode_ie_create(<<17:8,FlowLabel:16,Rest/binary>>,PresentIEs,Errors,CreateReq) ->
+ if
+ (PresentIEs band 16#00000010) =:= 16#00000010 -> %Repeated IE, ignored
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000010 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{flowLblSig=FlowLabel},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000010),
+ UpdatedErrors,UpdatedCreateReq);
+ true -> %OK
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{flowLblSig=FlowLabel},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000010),Errors,
+ UpdatedCreateReq)
+ end;
+
+%%% End User Address, Mandatory
+decode_ie_create(<<128:8,Length:16,More/binary>>,PresentIEs,
+ Errors,CreateReq) ->
+ <<PDPElement:Length/binary-unit:8,Rest/binary>> = More,
+ if
+ (PresentIEs band 16#00000020) =:= 16#00000020 -> %Repeated IE, ignore
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000020 -> %Out of sequence
+ case pdp_addr_internal_storage(PDPElement) of
+ {ok,PDPAddress} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{endUserAdd=PDPAddress},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000020),
+ UpdatedErrors,UpdatedCreateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true,
+ outOfSequence=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000020),
+ UpdatedErrors,CreateReq)
+ end;
+ true -> %OK
+ case pdp_addr_internal_storage(PDPElement) of
+ {ok,PDPAddress} ->
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{endUserAdd=PDPAddress},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000020),
+ Errors,UpdatedCreateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000020),
+ UpdatedErrors,CreateReq)
+ end
+ end;
+
+%%% Access Point Name, Mandatory
+decode_ie_create(<<131:8,Length:16,More/binary>>,PresentIEs,
+ Errors,CreateReq) ->
+ <<APNElement:Length/binary-unit:8,Rest/binary>> = More,
+ if
+ (PresentIEs band 16#00000040) =:= 16#00000040 -> %Repeated IE, ignore
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000040 -> %Out of sequence
+ case catch apn_internal_storage(APNElement,[]) of
+ {ok,APN} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{accPointName=APN},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000040),
+ UpdatedErrors,UpdatedCreateReq);
+ _ ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true,
+ invalidManIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000040),
+ UpdatedErrors,CreateReq)
+ end;
+ true -> %OK
+ case catch apn_internal_storage(APNElement,[]) of
+ {ok,APN} ->
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{accPointName=APN},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000040),
+ Errors,UpdatedCreateReq);
+ _ ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000040),
+ UpdatedErrors,CreateReq)
+ end
+ end;
+
+%%% Protocol Configuration Options, Optional
+decode_ie_create(<<132:8,Length:16,More/binary>>,PresentIEs,Errors,CreateReq) ->
+ <<ConfigurationElement:Length/binary-unit:8,Rest/binary>> = More,
+ if
+ (PresentIEs band 16#00000080) =:= 16#00000080 -> %Repeated IE, ignore
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000080 -> %Out of sequence
+ case catch pco_internal_storage(ConfigurationElement) of
+ {ok,PCO} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{protConOpt=PCO},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000080),
+ UpdatedErrors,UpdatedCreateReq);
+ _ ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true,
+ incorrectOptIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000080),
+ UpdatedErrors,CreateReq)
+ end;
+ true -> %OK
+ case catch pco_internal_storage(ConfigurationElement) of
+ {ok,PCO} ->
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{protConOpt=PCO},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000080),
+ Errors,UpdatedCreateReq);
+ _ ->
+ UpdatedErrors=Errors#protocolErrors{incorrectOptIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000080),
+ UpdatedErrors,CreateReq)
+ end
+ end;
+
+%%% SGSN Address for signalling, Mandatory OR SGSN Address for user traffic, Mandatory
+decode_ie_create(<<133:8,Length:16,More/binary>>,PresentIEs,
+ Errors,CreateReq) ->
+ <<AddressElement:Length/binary-unit:8,Rest/binary>> = More,
+ if
+ (PresentIEs band 16#00000300) =:= 16#00000300 -> %Repeated IE, ignore
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000200 -> %Out of sequence
+ if
+ (PresentIEs band 16#00000100) =:= 16#00000000 -> %Signalling
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{sgsnAddSig=GSNAddr},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000100),
+ UpdatedErrors,UpdatedCreateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true,
+ outOfSequence=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000100),
+ UpdatedErrors,CreateReq)
+ end;
+ true -> % User traffic
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{sgsnAddUser=GSNAddr},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000200),
+ UpdatedErrors,UpdatedCreateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true,
+ outOfSequence=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000200),
+ UpdatedErrors,CreateReq)
+ end
+ end;
+ PresentIEs < 16#00000100 -> %OK, SGSN Address for signalling
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{sgsnAddSig=GSNAddr},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000100),
+ Errors,UpdatedCreateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000100),
+ UpdatedErrors,CreateReq)
+ end;
+ true -> %OK, SGSN Address for user traffic
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{sgsnAddUser=GSNAddr},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000200),
+ Errors,UpdatedCreateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000200),
+ UpdatedErrors,CreateReq)
+ end
+ end;
+
+%%% MSISDN, Mandatory
+decode_ie_create(<<134:8,Length:16,More/binary>>,PresentIEs,
+ Errors,CreateReq) ->
+ <<MSISDNElement:Length/binary-unit:8,Rest/binary>> = More,
+ if
+ (PresentIEs band 16#00000400) =:= 16#00000400 -> %Repeated IE, ignore
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ PresentIEs > 16#00000400 -> %Out of sequence
+ case msisdn_internal_storage(MSISDNElement,[]) of
+ {ok,MSISDN} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{msisdn=MSISDN},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000400),
+ UpdatedErrors,UpdatedCreateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true,invalidManIE=true},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000400),
+ UpdatedErrors,CreateReq)
+ end;
+ true -> %OK
+ UpdatedCreateReq=CreateReq#sesT_createReqV0{msisdn=#mvsT_msisdn{value=MSISDNElement}},
+ decode_ie_create(Rest,(PresentIEs bor 16#00000400),
+ Errors,UpdatedCreateReq)
+
+ end;
+
+%%% Private Extension, Optional
+%%% Not implemented
+
+%%% Error handling, Unexpected or unknown IE
+decode_ie_create(UnexpectedIE,PresentIEs,Errors,CreateReq) ->
+ case check_ie(UnexpectedIE) of
+ {defined_ie,Rest} -> %OK, ignored
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ {handled_ie,Rest} -> %OK, ignored
+ decode_ie_create(Rest,PresentIEs,Errors,CreateReq);
+ {unhandled_ie} -> %Error, abort decoding
+ {fault,193,CreateReq} %Invalid message format
+ end.
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% decode_ie_update/4
+%%% Decode information elements for Update PDP Context Request
+
+%%% All elements decoded
+decode_ie_update(<<>>,PresentIEs,Errors,UpdateReq) ->
+ %% Check mandatory IE's
+ if
+ (PresentIEs band 16#3D) =/= 16#3D ->
+ {fault,202,UpdateReq}; %Mandatory IE missing
+ true -> %OK
+ %% Check errors during decoding
+ case Errors of
+ #protocolErrors{invalidManIE=true} -> %Invalid mandatory IE
+ {fault,201,UpdateReq}; %Mandatory IE incorrect
+ #protocolErrors{outOfSequence=true} -> %Out of sequence
+ {fault,193,UpdateReq}; %Invalid message format
+ _ -> %OK
+ {ok,UpdateReq}
+ end
+ end;
+
+%%% Quality of Service Profile, Mandatory
+decode_ie_update(<<6:8,QoSElement:3/binary-unit:8,Rest/binary>>,PresentIEs,
+ Errors,UpdateReq) ->
+ if
+ (PresentIEs band 16#00000001) =:= 16#00000001 -> %Repeated IE's, ignore
+ decode_ie_update(Rest,PresentIEs,Errors,UpdateReq);
+ PresentIEs > 16#00000001 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ <<_:2,DelayClass:3,ReliabilityClass:3,
+ PeakThroughput:4,_:1,PrecedenceClass:3,
+ _:3,MeanThroughput:5>> = QoSElement,
+ QoS=#sesT_qualityOfServiceV0{delayClass=DelayClass,
+ reliabilityClass=ReliabilityClass,
+ peakThroughput=PeakThroughput,
+ precedenceClass=PrecedenceClass,
+ meanThroughput=MeanThroughput},
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{qos=QoS},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000001),
+ UpdatedErrors,UpdatedUpdateReq);
+ true -> %OK
+ <<_:2,DelayClass:3,ReliabilityClass:3,
+ PeakThroughput:4,_:1,PrecedenceClass:3,
+ _:3,MeanThroughput:5>> = QoSElement,
+ QoS=#sesT_qualityOfServiceV0{delayClass=DelayClass,
+ reliabilityClass=ReliabilityClass,
+ peakThroughput=PeakThroughput,
+ precedenceClass=PrecedenceClass,
+ meanThroughput=MeanThroughput},
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{qos=QoS},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000001),
+ Errors,UpdatedUpdateReq)
+ end;
+
+%%% Recovery, Optional
+decode_ie_update(<<14:8,Recovery:8,Rest/binary>>,PresentIEs,Errors,UpdateReq) ->
+ if
+ (PresentIEs band 16#00000002) =:= 16#00000002 -> %Repeated IE, ignored
+ decode_ie_update(Rest,PresentIEs,Errors,UpdateReq);
+ PresentIEs > 16#00000002 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{recovery=Recovery},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000002),
+ UpdatedErrors,UpdatedUpdateReq);
+ true -> %OK
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{recovery=Recovery},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000002),Errors,
+ UpdatedUpdateReq)
+ end;
+
+%%% Flow Label Data I, Mandatory
+decode_ie_update(<<16:8,FlowLabel:16,Rest/binary>>,PresentIEs,Errors,UpdateReq) ->
+ if
+ (PresentIEs band 16#00000004) =:= 16#00000004 -> %Repeated IE, ignored
+ decode_ie_update(Rest,PresentIEs,Errors,UpdateReq);
+ PresentIEs > 16#00000004 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{flowLblData=FlowLabel},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000004),
+ UpdatedErrors,UpdatedUpdateReq);
+ true -> %OK
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{flowLblData=FlowLabel},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000004),Errors,
+ UpdatedUpdateReq)
+ end;
+
+%%% Flow Label Signalling, Mandatory
+decode_ie_update(<<17:8,FlowLabel:16,Rest/binary>>,PresentIEs,Errors,UpdateReq) ->
+ if
+ (PresentIEs band 16#00000008) =:= 16#00000008 -> %Repeated IE, ignored
+ decode_ie_update(Rest,PresentIEs,Errors,UpdateReq);
+ PresentIEs > 16#00000008 -> %Out of sequence
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{flowLblSig=FlowLabel},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000008),
+ UpdatedErrors,UpdatedUpdateReq);
+ true -> %OK
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{flowLblSig=FlowLabel},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000008),Errors,
+ UpdatedUpdateReq)
+ end;
+
+%%% SGSN Address for signalling, Mandatory OR SGSN Address for user traffic, Mandatory
+decode_ie_update(<<133:8,Length:16,More/binary>>,PresentIEs,
+ Errors,UpdateReq) ->
+ <<AddressElement:Length/binary-unit:8,Rest/binary>> = More,
+ if
+ (PresentIEs band 16#00000030) =:= 16#00000030 -> %Repeated IE, ignore
+ decode_ie_update(Rest,PresentIEs,Errors,UpdateReq);
+ PresentIEs > 16#00000020 -> %Out of sequence
+ if
+ (PresentIEs band 16#00000010) =:= 16#00000000 -> %Signalling
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{sgsnAddSig=GSNAddr},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000010),
+ UpdatedErrors,UpdatedUpdateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true,
+ outOfSequence=true},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000010),
+ UpdatedErrors,UpdateReq)
+ end;
+ true -> % User traffic
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedErrors=Errors#protocolErrors{outOfSequence=true},
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{sgsnAddUser=GSNAddr},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000020),
+ UpdatedErrors,UpdatedUpdateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true,
+ outOfSequence=true},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000020),
+ UpdatedErrors,UpdateReq)
+ end
+ end;
+ PresentIEs < 16#00000010 -> %OK, SGSN Address for signalling
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{sgsnAddSig=GSNAddr},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000010),
+ Errors,UpdatedUpdateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000010),
+ UpdatedErrors,UpdateReq)
+ end;
+ true -> %OK, SGSN Address for user traffic
+ case gsn_addr_internal_storage(AddressElement) of
+ {ok,GSNAddr} ->
+ UpdatedUpdateReq=UpdateReq#sesT_updateReqV0{sgsnAddUser=GSNAddr},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000020),
+ Errors,UpdatedUpdateReq);
+ {fault} ->
+ UpdatedErrors=Errors#protocolErrors{invalidManIE=true},
+ decode_ie_update(Rest,(PresentIEs bor 16#00000020),
+ UpdatedErrors,UpdateReq)
+ end
+ end;
+
+%%% Private Extension, Optional
+%%% Not implemented
+
+%%% Error handling, Unexpected or unknown IE
+decode_ie_update(UnexpectedIE,PresentIEs,Errors,UpdateReq) ->
+ case check_ie(UnexpectedIE) of
+ {defined_ie,Rest} -> %OK, ignored
+ decode_ie_update(Rest,PresentIEs,Errors,UpdateReq);
+ {handled_ie,Rest} -> %OK, ignored
+ decode_ie_update(Rest,PresentIEs,Errors,UpdateReq);
+ {unhandled_ie} -> %Error, abort decoding
+ {fault,193,UpdateReq} %Invalid message format
+ end.
+
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% decode_ie_delete_req/4
+%%% Decode information elements for Delete PDP Context Request
+
+%%% Private Extension, Optional
+%%% Not implemented
+
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% decode_ie_delete_res/4
+%%% Decode information elements for Delete PDP Context Response
+
+%%% All elements decoded
+decode_ie_delete_res(<<>>,PresentIEs,DeleteRes) ->
+ %% Check mandatory IE's
+ if
+ (PresentIEs band 16#0001) =/= 16#0001 ->
+ {fault,202,DeleteRes}; %Mandatory IE missing
+ true -> %OK
+ {ok,DeleteRes}
+ end;
+
+%%% Cause, Mandatory
+decode_ie_delete_res(<<1:8,Cause:8,Rest/binary>>,PresentIEs,DeleteRes) ->
+ if
+ (PresentIEs band 16#00000001) =:= 16#00000001 -> %Repeated IE, ignored
+ decode_ie_delete_res(Rest,PresentIEs,DeleteRes);
+ true -> %OK
+ UpdatedDeleteRes=DeleteRes#sesT_deleteResV0{cause=Cause},
+ decode_ie_delete_res(Rest,(PresentIEs bor 16#00000001),
+ UpdatedDeleteRes)
+ end;
+
+%%% Private Extension, Optional
+%%% Not implemented
+
+%%% Error handling, Unexpected or unknown IE
+decode_ie_delete_res(UnexpectedIE,PresentIEs,DeleteRes) ->
+ case check_ie(UnexpectedIE) of
+ {defined_ie,Rest} -> %OK, ignored
+ decode_ie_delete_res(Rest,PresentIEs,DeleteRes);
+ {handled_ie,Rest} -> %OK, ignored
+ decode_ie_delete_res(Rest,PresentIEs,DeleteRes);
+ {unhandled_ie} -> %Error, abort decoding
+ {fault,193,DeleteRes} %Invalid message format
+ end.
+
+%%% --------------------------------------------------------------
+%%% #3.2 COMMON INTERNAL FUNCTIONS
+%%% --------------------------------------------------------------
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% check_ie/1
+%%% Check Information Element, Unexpected or Unknown
+check_ie(<<1:8,_:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% IMSI
+check_ie(<<2:8,_:8/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% RAI
+check_ie(<<3:8,_:6/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% TTLI
+check_ie(<<4:8,_:4/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% P-TMSI
+check_ie(<<5:8,_:4/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Quality of Service Profile
+check_ie(<<6:8,_:3/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Reordering Required
+check_ie(<<8:8,_:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Authentication Triplet
+check_ie(<<9:8,_:28/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% MAP Cause
+check_ie(<<11:8,_:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% P-TMSI Signature
+check_ie(<<12:8,_:3/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% MS Validated
+check_ie(<<13:8,_:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Recovery
+check_ie(<<14:8,_:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Selection Mode
+check_ie(<<15:8,_:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Flow Label Data I
+check_ie(<<16:8,_:16,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Flow Label Signalling
+check_ie(<<17:8,_:16,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Flow Label Data II
+check_ie(<<18:8,_:32,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% MS Not Reachable Reason
+check_ie(<<19:8,_:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% Charging ID
+check_ie(<<127:8,_:4/binary-unit:8,Rest/binary>>) ->
+ {defined_ie,Rest};
+%%% TLV element, skipped using Length
+check_ie(<<1:1,_:7,Length:16,More/binary>>) ->
+ if
+ Length > byte_size(More) ->
+ {unhandled_ie};
+ true ->
+ <<_:Length/binary-unit:8,Rest/binary>> = More,
+ {handled_ie,Rest}
+ end;
+%%% TV element, unknown size. Can not be handled.
+check_ie(_UnhandledIE) ->
+ {unhandled_ie}.
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% tid_internal_storage/3
+%%% Convert TID binary to internal datatype
+tid_internal_storage(Bin,_) ->
+ Size = byte_size(Bin) - 1,
+ <<Front:Size/binary,NSAPI:4,DigitN:4>> = Bin,
+ Result =
+ case DigitN of
+ 2#1111 ->
+ #mvsgT_tid{imsi = #mvsgT_imsi{value = Front}, nsapi = NSAPI};
+ _ ->
+ Value = <<Front/binary,2#1111:4,DigitN:4>>,
+ #mvsgT_tid{imsi = #mvsgT_imsi{value = Value}, nsapi = NSAPI}
+ end,
+ {ok,Result}.
+%% tid_internal_storage(<<NSAPI:4,2#1111:4>>,IMSI) ->
+%% {ok,#mvsgT_tid{imsi=#mvsgT_imsi{value=lists:reverse(IMSI)},
+%% nsapi=NSAPI}};
+%% tid_internal_storage(<<NSAPI:4,DigitN:4>>,IMSI) when
+%% DigitN < 10 ->
+%% {ok,#mvsgT_tid{imsi=#mvsgT_imsi{value=lists:reverse([(DigitN bor 2#11110000)|IMSI])},
+%% nsapi=NSAPI}};
+%% tid_internal_storage(<<2#11111111:8,Rest/binary>>,IMSI) ->
+%% tid_internal_storage(Rest,IMSI);
+%% tid_internal_storage(<<2#1111:4,DigitN:4,Rest/binary>>,IMSI) when
+%% DigitN < 10 ->
+%% tid_internal_storage(Rest,[(DigitN bor 2#11110000)|IMSI]);
+%% tid_internal_storage(<<DigitNplus1:4,DigitN:4,Rest/binary>>,IMSI) when
+%% DigitNplus1 < 10,
+%% DigitN < 10 ->
+%% tid_internal_storage(Rest,[((DigitNplus1 bsl 4) bor DigitN)|IMSI]);
+%% tid_internal_storage(_Rest,_IMSI) ->
+%% {fault}. %% Mandatory IE incorrect
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% selection_mode_internal_storage/1
+%%% Convert Selection Mode integer to internal datatype (enum)
+selection_mode_internal_storage(0) ->
+ subscribed;
+selection_mode_internal_storage(1) ->
+ msRequested;
+selection_mode_internal_storage(2) ->
+ sgsnSelected;
+selection_mode_internal_storage(3) ->
+ sgsnSelected.
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% pdp_addr_internal_storage/1
+%%% Convert PDP address to internal datatype (record containing
+%%% addresstype and value)
+pdp_addr_internal_storage(<<_:4,0:4,1:8>>) ->
+ {ok,#mvsgT_pdpAddressType{pdpTypeNbr=etsi_ppp,address=[]}};
+pdp_addr_internal_storage(<<_:4,0:4,2:8>>) ->
+ {ok,#mvsgT_pdpAddressType{pdpTypeNbr=etsi_osp_ihoss,address=[]}};
+pdp_addr_internal_storage(<<_:4,1:4,16#21:8>>) ->
+ {ok,#mvsgT_pdpAddressType{pdpTypeNbr=ietf_ipv4,address=[]}};
+pdp_addr_internal_storage(<<_:4,1:4,16#21:8,IP_A:8,IP_B:8,IP_C:8,IP_D:8>>) ->
+ {ok,#mvsgT_pdpAddressType{pdpTypeNbr=ietf_ipv4,
+ address=[IP_A,IP_B,IP_C,IP_D]}};
+pdp_addr_internal_storage(<<_:4,1:4,16#57:8,IP_A:16,IP_B:16,IP_C:16,IP_D:16,
+ IP_E:16,IP_F:16,IP_G:16,IP_H:16>>) ->
+ {ok,#mvsgT_pdpAddressType{pdpTypeNbr=ietf_ipv6,
+ address=[IP_A,IP_B,IP_C,IP_D,IP_E,IP_F,IP_G,IP_H]}};
+pdp_addr_internal_storage(_PDP_ADDR) ->
+ {fault}.
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% apn_internal_storage/2
+%%% Convert APN to internal datatype (List containing APN labels)
+apn_internal_storage(<<>>,APN) ->
+ {ok,lists:reverse(APN)};
+apn_internal_storage(<<Length:8,Rest/binary>>,APN) ->
+ <<Label:Length/binary-unit:8,MoreAPNLabels/binary>> = Rest,
+ apn_internal_storage(MoreAPNLabels,[Label|APN]).
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% pco_internal_storage/1
+%%% Convert Protocol Configuration Options to internal datatype.
+%%% Implemented configuration options:
+%%% For PPP:
+%%% LCP - Not implemented
+%%% PAP - Authenticate request
+%%% CHAP - Challenge
+%%% - Response
+%%% IPCP - IP-Address
+%%% For OSP:IHOSS
+%%% Nothing implemented
+pco_internal_storage(<<1:1,_:4,0:3,PPPConfigurationOptions/binary>>) ->
+ case ppp_configuration_options(PPPConfigurationOptions,
+ #masT_pap{exists=false},[],[]) of
+ {ok,PAP,CHAP,IPCP} ->
+ {ok,#masT_protocolConfigOptions{pap=PAP,chap=CHAP,ipcp=IPCP}};
+ {fault} ->
+ {fault}
+ end;
+pco_internal_storage(<<1:1,_:4,1:3,_OSP_IHOSSConfigurationOptions/binary>>) ->
+ {ok,osp_ihoss};
+pco_internal_storage(_UnknownConfigurationOptions) ->
+ {fault}. %% Optional IE incorrect
+
+ppp_configuration_options(<<>>,PAP,CHAP,IPCP) ->
+ {ok,PAP,CHAP,IPCP};
+ppp_configuration_options(<<16#C021:16,Length:8,More/binary>>,PAP,CHAP,IPCP) ->
+ %% LCP - Not implemented
+ <<_LCP:Length/binary-unit:8,Rest/binary>> = More,
+ ppp_configuration_options(Rest,PAP,CHAP,IPCP);
+ppp_configuration_options(<<16#C023:16,_Length:8,1:8,Identifier:8,DataLength:16,
+ More/binary>>,_PAP,CHAP,IPCP) ->
+ %% PAP - Authenticate request
+ ActualDataLength=DataLength-4, %% DataLength includes Code, Identifier and itself
+ <<Data:ActualDataLength/binary-unit:8,Rest/binary>> = More,
+ <<PeerIDLength:8,PeerData/binary>> = Data,
+ <<PeerID:PeerIDLength/binary-unit:8,PasswdLength:8,PasswordData/binary>> = PeerData,
+ <<Password:PasswdLength/binary,_Padding/binary>> = PasswordData,
+ ppp_configuration_options(Rest,#masT_pap{exists=true,code=1,id=Identifier,
+ username=binary_to_list(PeerID),
+ password=binary_to_list(Password)},CHAP,IPCP);
+
+ppp_configuration_options(<<16#C023:16,Length:8,More/binary>>,PAP,CHAP,IPCP) ->
+ %% PAP - Other, not implemented
+ <<_PAP:Length/binary-unit:8,Rest/binary>> = More,
+ ppp_configuration_options(Rest,PAP,CHAP,IPCP);
+ppp_configuration_options(<<16#C223:16,_Length:8,1:8,Identifier:8,DataLength:16,
+ More/binary>>,PAP,CHAP,IPCP) ->
+ %% CHAP - Challenge
+ ActualDataLength=DataLength-4, %% DataLength includes Code, Identifier and itself
+ <<Data:ActualDataLength/binary-unit:8,Rest/binary>> = More,
+ <<ValueSize:8,ValueAndName/binary>> = Data,
+ <<Value:ValueSize/binary-unit:8,Name/binary>> = ValueAndName,
+ ppp_configuration_options(Rest,PAP,[#masT_chap{code=1,id=Identifier,
+ value=binary_to_list(Value),
+ name=binary_to_list(Name)}|CHAP],
+ IPCP);
+ppp_configuration_options(<<16#C223:16,_Length:8,2:8,Identifier:8,DataLength:16,
+ More/binary>>,PAP,CHAP,IPCP) ->
+ %% CHAP - Response
+ ActualDataLength=DataLength-4, %% DataLength includes Code, Identifier and itself
+ <<Data:ActualDataLength/binary-unit:8,Rest/binary>> = More,
+ <<ValueSize:8,ValueAndName/binary>> = Data,
+ <<Value:ValueSize/binary-unit:8,Name/binary>> = ValueAndName,
+ ppp_configuration_options(Rest,PAP,[#masT_chap{code=2,id=Identifier,
+ value=binary_to_list(Value),
+ name=binary_to_list(Name)}|CHAP],
+ IPCP);
+ppp_configuration_options(<<16#C223:16,Length:8,More/binary>>,PAP,CHAP,IPCP) ->
+ %% CHAP - Other, not implemented
+ <<_CHAP:Length/binary-unit:8,Rest/binary>> = More,
+ ppp_configuration_options(Rest,PAP,CHAP,IPCP);
+ppp_configuration_options(<<16#8021:16,_Length:8,1:8,Identifier:8,OptionsLength:16,
+ More/binary>>,PAP,CHAP,IPCP) ->
+ %% IPCP - Configure request
+ ActualOptionsLength=OptionsLength-4, %% OptionsLength includes Code, Identifier and itself
+ <<Options:ActualOptionsLength/binary-unit:8,Rest/binary>> = More,
+ case Options of
+ <<3:8,6:8,A1:8,A2:8,A3:8,A4:8>> ->
+ %% IP Address, version 4
+ ppp_configuration_options(Rest,PAP,CHAP,
+ [#masT_ipcp{exists=true,code=1,
+ id=Identifier,
+ ipcpList=[#masT_ipcpData{type=3,ipAddress=
+ #mvsgT_ipAddress{version=ipv4,
+ a1=A1,a2=A2,
+ a3=A3,a4=A4,
+ a5=0,a6=0,
+ a7=0,a8=0},
+ rawMessage=binary_to_list(Options)}]}|IPCP]);
+ <<129:8,6:8,B1:8,B2:8,B3:8,B4:8>> ->
+ %% IP Address, version 4
+ ppp_configuration_options(Rest,PAP,CHAP,
+ [#masT_ipcp{exists=true,code=1,
+ id=Identifier,
+ ipcpList=[#masT_ipcpData{type=129,ipAddress=
+ #mvsgT_ipAddress{version=ipv4,
+ a1=B1,a2=B2,
+ a3=B3,a4=B4},
+ rawMessage=binary_to_list(Options)}]}|IPCP]);
+
+ <<131:8,6:8,C1:8,C2:8,C3:8,C4:8>> ->
+ %% IP Address, version 4
+ ppp_configuration_options(Rest,PAP,CHAP,
+ [#masT_ipcp{exists=true,code=1,
+ id=Identifier,
+ ipcpList=[#masT_ipcpData{type=131,ipAddress=
+ #mvsgT_ipAddress{version=ipv4,
+ a1=C1,a2=C2,
+ a3=C3,a4=C4},
+ rawMessage=binary_to_list(Options)}]}|IPCP]);
+ _ ->
+ ppp_configuration_options(Rest,PAP,CHAP,IPCP)
+ end;
+ppp_configuration_options(<<_UnknownProtocolID:16,Length:8,More/binary>>,
+ PAP,CHAP,IPCP) ->
+ <<_Skipped:Length/binary-unit:8,Rest/binary>> = More,
+ ppp_configuration_options(Rest,PAP,CHAP,IPCP);
+ppp_configuration_options(_Unhandled,_PAP,_CHAP,_IPCP) ->
+ {fault}.
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% gsn_addr_internal_storage/1
+%%% Convert GSN Address to internal datatype
+gsn_addr_internal_storage(<<IP_A:8,IP_B:8,IP_C:8,IP_D:8>>) ->
+ {ok,#mvsgT_ipAddress{version=ipv4,a1=IP_A,a2=IP_B,a3=IP_C,a4=IP_D,a5=0,a6=0,a7=0,a8=0}};
+gsn_addr_internal_storage(<<IP_A:16,IP_B:16,IP_C:16,IP_D:16,
+ IP_E:16,IP_F:16,IP_G:16,IP_H:16>>) ->
+ {ok,#mvsgT_ipAddress{version=ipv6,a1=IP_A,a2=IP_B,a3=IP_C,a4=IP_D,
+ a5=IP_E,a6=IP_F,a7=IP_G,a8=IP_H}};
+gsn_addr_internal_storage(_GSN_ADDR) ->
+ {fault}.
+
+%%% - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+%%% msisdn_internal_storage/3
+%%% Convert MSISDN binary to internal datatype (TBCD-octet list)
+
+msisdn_internal_storage(<<>>,MSISDN) ->
+ {ok,#mvsT_msisdn{value=lists:reverse(MSISDN)}};
+msisdn_internal_storage(<<2#11111111:8,_Rest/binary>>,MSISDN) ->
+ {ok,#mvsT_msisdn{value=lists:reverse(MSISDN)}};
+msisdn_internal_storage(<<2#1111:4,DigitN:4,_Rest/binary>>,MSISDN) when
+ DigitN < 10 ->
+ {ok,#mvsT_msisdn{value=lists:reverse([(DigitN bor 2#11110000)|MSISDN])}};
+msisdn_internal_storage(<<DigitNplus1:4,DigitN:4,Rest/binary>>,MSISDN) when
+ DigitNplus1 < 10,
+ DigitN < 10 ->
+ NewMSISDN=[((DigitNplus1 bsl 4) bor DigitN)|MSISDN],
+ msisdn_internal_storage(Rest,NewMSISDN);
+msisdn_internal_storage(_Rest,_MSISDN) ->
+ {fault}. %% Mandatory IE incorrect
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 22:05:18 +0000