diff options
| -rw-r--r-- | lib/diameter/src/base/diameter_gen.erl | 87 |
1 files changed, 44 insertions, 43 deletions
diff --git a/lib/diameter/src/base/diameter_gen.erl b/lib/diameter/src/base/diameter_gen.erl index 7a1a46ec52..f9172ec59d 100644 --- a/lib/diameter/src/base/diameter_gen.erl +++ b/lib/diameter/src/base/diameter_gen.erl @@ -238,7 +238,7 @@ enc(AvpName, Value, Opts, Mod) -> decode_avps(Name, Bin, #{module := Mod, decode_format := Fmt} = Opts) -> Strict = mget(strict_arities, Opts, decode), [AM, Avps, Failed | Rec] - = decode(Bin, Name, Mod, Fmt, Strict, Opts, #{}), + = decode(Bin, Name, Mod, Fmt, Strict, Opts, 0, #{}), %% AM counts the number of top-level AVPs, which missing/5 then %% uses when appending 5005 errors. {reformat(Name, Rec, Strict, Mod, Fmt), @@ -249,7 +249,7 @@ decode_avps(Name, Bin, #{module := Mod, decode_format := Fmt} = Opts) -> %% encountered. Failed-AVP should typically contain the first %% error encountered. -%% decode/7 +%% decode/8 decode(<<Code:32, V:1, M:1, P:1, _:5, Len:24, I:V/unit:32, Rest/binary>>, Name, @@ -257,6 +257,7 @@ decode(<<Code:32, V:1, M:1, P:1, _:5, Len:24, I:V/unit:32, Rest/binary>>, Fmt, Strict, Opts, + Idx, AM) -> decode(Rest, Code, @@ -270,21 +271,23 @@ decode(<<Code:32, V:1, M:1, P:1, _:5, Len:24, I:V/unit:32, Rest/binary>>, Fmt, Strict, Opts, + Idx, AM); -decode(<<>>, Name, Mod, Fmt, Strict, _, AM) -> +decode(<<>>, Name, Mod, Fmt, Strict, _, _, AM) -> [AM, [], [] | newrec(Fmt, Mod, Name, Strict)]; -decode(Bin, Name, Mod, Fmt, Strict, _, AM) -> - Avp = #diameter_avp{data = Bin}, +decode(Bin, Name, Mod, Fmt, Strict, _, Idx, AM) -> + Avp = #diameter_avp{data = Bin, index = Idx}, [AM, [Avp], [{5014, Avp}] | newrec(Fmt, Mod, Name, Strict)]. -%% decode/13 +%% decode/14 -decode(Bin, Code, Vid, DataLen, Pad, M, P, Name, Mod, Fmt, Strict, Opts0, AM0) -> +decode(Bin, Code, Vid, DataLen, Pad, M, P, Name, Mod, Fmt, Strict, Opts0, + Idx, AM0) -> case Bin of <<Data:DataLen/binary, _:Pad/binary, T/binary>> -> - {NameT, AvpName, Arity, {Idx, AM}} + {NameT, Field, Arity, {I, AM}} = incr(Name, Code, Vid, M, Mod, Strict, Opts0, AM0), Opts = setopts(NameT, Name, M, Opts0), @@ -300,11 +303,11 @@ decode(Bin, Code, Vid, DataLen, Pad, M, P, Name, Mod, Fmt, Strict, Opts0, AM0) - type = type(NameT), index = Idx}, - Dec = decode(Data, Name, NameT, Mod, Opts, Avp), %% decode - Acc = decode(T, Name, Mod, Fmt, Strict, Opts, AM), %% recurse - acc(Acc, Dec, Name, AvpName, Arity, Strict, Mod, Opts); + Dec = decode(Data, Name, NameT, Mod, Opts, Avp), %% decode + Acc = decode(T, Name, Mod, Fmt, Strict, Opts, Idx+1, AM),%% recurse + acc(Acc, Dec, I, Name, Field, Arity, Strict, Mod, Opts); _ -> - {NameT, _AvpName, _Arity, {Idx, AM}} + {NameT, _Field, _Arity, {_, AM}} = incr(Name, Code, Vid, M, Mod, Strict, Opts0, AM0), Avp = #diameter_avp{code = Code, @@ -323,9 +326,14 @@ decode(Bin, Code, Vid, DataLen, Pad, M, P, Name, Mod, Fmt, Strict, Opts0, AM0) - incr(Name, Code, Vid, M, Mod, Strict, Opts, AM0) -> NameT = Mod:avp_name(Code, Vid), %% {AvpName, Type} | 'AVP' - AvpName = field(NameT), - Arity = avp_arity(Name, AvpName, Mod, Opts, M), - {NameT, AvpName, Arity, incr(AvpName, Arity, Strict, AM0)}. + Field = field(NameT), %% AvpName | 'AVP' + Arity = avp_arity(Name, Field, Mod, Opts, M), + if 0 == Arity, 'AVP' /= Field -> + A = pack_arity(Name, Field, Opts, Mod, M), + {NameT, 'AVP', A, incr('AVP', A, Strict, AM0)}; + true -> + {NameT, Field, Arity, incr(Field, Arity, Strict, AM0)} + end. %% Data is a truncated header if command_code = undefined, otherwise %% payload bytes. The former is padded to the length of a header if @@ -342,9 +350,8 @@ setopts({_, Type}, Name, M, Opts) -> %% incr/4 -incr(F, A, SA, AM) - when F == 'AVP'; - A == ?ANY; +incr(_, A, SA, AM) + when A == ?ANY; A == 0; SA /= decode -> {undefined, AM}; @@ -577,61 +584,55 @@ set_failed('Failed-AVP', #{failed_avp := false} = Opts) -> set_failed(_, Opts) -> Opts. -%% acc/8 +%% acc/9 -acc([AM | Acc], As, Name, AvpName, Arity, Strict, Mod, Opts) -> - [AM | acc1(Acc, As, Name, AvpName, Arity, Strict, Mod, Opts)]. +acc([AM | Acc], As, I, Name, Field, Arity, Strict, Mod, Opts) -> + [AM | acc1(Acc, As, I, Name, Field, Arity, Strict, Mod, Opts)]. -%% acc1/8 +%% acc1/9 %% Faulty AVP, not grouped. -acc1(Acc, {_RC, Avp} = E, _, _, _, _, _, _) -> +acc1(Acc, {_RC, Avp} = E, _, _, _, _, _, _, _) -> [Avps, Failed | Rec] = Acc, [[Avp | Avps], [E | Failed] | Rec]; %% Faulty component in grouped AVP. -acc1(Acc, {RC, As, Avp}, _, _, _, _, _, _) -> +acc1(Acc, {RC, As, Avp}, _, _, _, _, _, _, _) -> [Avps, Failed | Rec] = Acc, [[As | Avps], [{RC, Avp} | Failed] | Rec]; %% Grouped AVP ... -acc1([Avps | Acc], [Avp|_] = As, Name, AvpName, Arity, Strict, Mod, Opts) -> - [[As|Avps] | acc2(Acc, Avp, Name, AvpName, Arity, Strict, Mod, Opts)]; +acc1([Avps | Acc], [Avp|_] = As, I, Name, Field, Arity, Strict, Mod, Opts) -> + [[As|Avps] | acc2(Acc, Avp, I, Name, Field, Arity, Strict, Mod, Opts)]; %% ... or not. -acc1([Avps | Acc], Avp, Name, AvpName, Arity, Strict, Mod, Opts) -> - [[Avp|Avps] | acc2(Acc, Avp, Name, AvpName, Arity, Strict, Mod, Opts)]. +acc1([Avps | Acc], Avp, I, Name, Field, Arity, Strict, Mod, Opts) -> + [[Avp|Avps] | acc2(Acc, Avp, I, Name, Field, Arity, Strict, Mod, Opts)]. -%% acc2/8 +%% acc2/9 %% No errors, but nowhere to pack. -acc2(Acc, Avp, _, 'AVP', 0, _, _, _) -> +acc2(Acc, Avp, _, _, 'AVP', 0, _, _, _) -> [Failed | Rec] = Acc, [[{rc(Avp), Avp} | Failed] | Rec]; -%% No AVP of this name: try to pack as 'AVP'. -acc2(Acc, Avp, Name, AvpName, 0, Strict, Mod, Opts) -> - M = Avp#diameter_avp.is_mandatory, - Arity = pack_arity(Name, AvpName, Opts, Mod, M), - acc2(Acc, Avp, Name, 'AVP', Arity, Strict, Mod, Opts); - %% Relaxed arities. -acc2(Acc, Avp, _, AvpName, Arity, Strict, Mod, _) +acc2(Acc, Avp, _, _, Field, Arity, Strict, Mod, _) when Strict /= decode -> - pack(Arity, AvpName, Avp, Mod, Acc); + pack(Arity, Field, Avp, Mod, Acc); %% No maximum arity. -acc2(Acc, Avp, _, AvpName, {_,'*'} = Arity, _, Mod, _) -> - pack(Arity, AvpName, Avp, Mod, Acc); +acc2(Acc, Avp, _, _, Field, {_,'*'} = Arity, _, Mod, _) -> + pack(Arity, Field, Avp, Mod, Acc); %% Or check. -acc2(Acc, Avp, _, AvpName, Arity, _, Mod, _) -> +acc2(Acc, Avp, I, _, Field, Arity, _, Mod, _) -> Mx = max_arity(Arity), - if Mx =< Avp#diameter_avp.index -> + if Mx =< I -> [Failed | Rec] = Acc, [[{5009, Avp} | Failed] | Rec]; true -> - pack(Arity, AvpName, Avp, Mod, Acc) + pack(Arity, Field, Avp, Mod, Acc) end. %% 3588/6733: |