diff options
Diffstat (limited to 'lib/diameter/include')
| -rw-r--r-- | lib/diameter/include/diameter_gen.hrl | 453 |
1 files changed, 185 insertions, 268 deletions
diff --git a/lib/diameter/include/diameter_gen.hrl b/lib/diameter/include/diameter_gen.hrl index 67b9f890a7..1683d93557 100644 --- a/lib/diameter/include/diameter_gen.hrl +++ b/lib/diameter/include/diameter_gen.hrl @@ -29,18 +29,6 @@ %% Tag common to generated dictionaries. -define(TAG, diameter_gen). -%% Key to a value in the process dictionary that determines whether or -%% not an unrecognized AVP setting the M-bit should be regarded as an -%% error or not. See is_strict/0. This is only used to relax M-bit -%% interpretation inside Grouped AVPs not setting the M-bit. The -%% service_opt() strict_mbit can be used to disable the check -%% globally. --define(STRICT_KEY, strict). - -%% Key that says whether or not we should do a best-effort decode -%% within Failed-AVP. --define(FAILED_KEY, failed). - -type parent_name() :: atom(). %% parent = Message or AVP -type parent_record() :: tuple(). %% -type avp_name() :: atom(). @@ -51,33 +39,21 @@ -type grouped_avp() :: nonempty_improper_list(#diameter_avp{}, [avp()]). -type avp() :: non_grouped_avp() | grouped_avp(). -%% Use a (hopefully) unique key when manipulating the process -%% dictionary. - -putr(K,V) -> - put({?TAG, K}, V). - -getr(K) -> - get({?TAG, K}). - -eraser(K) -> - erase({?TAG, K}). - %% --------------------------------------------------------------------------- -%% # encode_avps/2 +%% # encode_avps/3 %% --------------------------------------------------------------------------- --spec encode_avps(parent_name(), parent_record() | avp_values()) +-spec encode_avps(parent_name(), parent_record() | avp_values(), term()) -> iolist() | no_return(). -encode_avps(Name, Vals) +encode_avps(Name, Vals, Opts) when is_list(Vals) -> - encode_avps(Name, '#set-'(Vals, newrec(Name))); + encode_avps(Name, '#set-'(Vals, newrec(Name)), Opts); -encode_avps(Name, Rec) -> +encode_avps(Name, Rec, Opts) -> try - encode(Name, Rec) + encode(Name, Rec, Opts) catch throw: {?MODULE, Reason} -> diameter_lib:log({encode, error}, @@ -94,99 +70,99 @@ encode_avps(Name, Rec) -> erlang:error({encode_failure, Reason, Name, Stack}) end. -%% encode/2 +%% encode/3 -encode(Name, Rec) -> - [encode(Name, F, V) || {F,V} <- '#get-'(Rec)]. +encode(Name, Rec, Opts) -> + [encode(Name, F, V, Opts) || {F,V} <- '#get-'(Rec)]. -%% encode/3 +%% encode/4 -encode(Name, AvpName, Values) -> - e(Name, AvpName, avp_arity(Name, AvpName), Values). +encode(Name, AvpName, Values, Opts) -> + enc(Name, AvpName, avp_arity(Name, AvpName), Values, Opts). -%% e/4 +%% enc/5 -e(_, AvpName, 1, undefined) -> +enc(_, AvpName, 1, undefined, _) -> ?THROW([mandatory_avp_missing, AvpName]); -e(Name, AvpName, 1, Value) -> - e(Name, AvpName, [Value]); +enc(Name, AvpName, 1, Value, Opts) -> + enc(Name, AvpName, [Value], Opts); -e(_, _, {0,_}, []) -> +enc(_, _, {0,_}, [], _) -> []; -e(_, AvpName, _, T) +enc(_, AvpName, _, T, _) when not is_list(T) -> ?THROW([repeated_avp_as_non_list, AvpName, T]); -e(_, AvpName, {Min, _}, L) +enc(_, AvpName, {Min, _}, L, _) when length(L) < Min -> ?THROW([repeated_avp_insufficient_arity, AvpName, Min, L]); -e(_, AvpName, {_, Max}, L) +enc(_, AvpName, {_, Max}, L, _) when Max < length(L) -> ?THROW([repeated_avp_excessive_arity, AvpName, Max, L]); -e(Name, AvpName, _, Values) -> - e(Name, AvpName, Values). +enc(Name, AvpName, _, Values, Opts) -> + enc(Name, AvpName, Values, Opts). -%% e/3 +%% enc/4 -e(Name, 'AVP', Values) -> - [pack_AVP(Name, A) || A <- Values]; +enc(Name, 'AVP', Values, Opts) -> + [enc_AVP(Name, A, Opts) || A <- Values]; -e(_, AvpName, Values) -> - e(AvpName, Values). +enc(_, AvpName, Values, Opts) -> + enc(AvpName, Values, Opts). -%% e/2 +%% env/3 -e(AvpName, Values) -> +enc(AvpName, Values, Opts) -> H = avp_header(AvpName), - [diameter_codec:pack_avp(H, avp(encode, V, AvpName)) || V <- Values]. + [diameter_codec:pack_data(H, avp(encode, V, AvpName, Opts)) + || V <- Values]. -%% pack_AVP/2 +%% enc_AVP/3 %% No value: assume AVP data is already encoded. The normal case will %% be when this is passed back from #diameter_packet.errors as a %% consequence of a failed decode. Any AVP can be encoded this way %% however, which side-steps any arity checks for known AVP's and %% could potentially encode something unfortunate. -pack_AVP(_, #diameter_avp{value = undefined} = A) -> - diameter_codec:pack_avp(A); +enc_AVP(_, #diameter_avp{value = undefined} = A, Opts) -> + diameter_codec:pack_avp(A, Opts); %% Missing name for value encode. -pack_AVP(_, #diameter_avp{name = N, value = V}) +enc_AVP(_, #diameter_avp{name = N, value = V}, _) when N == undefined; N == 'AVP' -> ?THROW([value_with_nameless_avp, N, V]); %% Or not. Ensure that 'AVP' is the appropriate field. Note that if we %% don't know this AVP at all then the encode will fail. -pack_AVP(Name, #diameter_avp{name = AvpName, - value = Data}) -> +enc_AVP(Name, #diameter_avp{name = AvpName, value = Data}, Opts) -> 0 == avp_arity(Name, AvpName) orelse ?THROW([known_avp_as_AVP, Name, AvpName, Data]), - e(AvpName, [Data]); + enc(AvpName, [Data], Opts); %% The backdoor ... -pack_AVP(_, {AvpName, Value}) -> - e(AvpName, [Value]); +enc_AVP(_, {AvpName, Value}, Opts) -> + enc(AvpName, [Value], Opts); %% ... and the side door. -pack_AVP(_Name, {_Dict, _AvpName, _Data}= T) -> - diameter_codec:pack_avp(#diameter_avp{data = T}). +enc_AVP(_Name, {_Dict, _AvpName, _Data} = T, Opts) -> + diameter_codec:pack_avp(#diameter_avp{data = T}, Opts). %% --------------------------------------------------------------------------- %% # decode_avps/2 %% --------------------------------------------------------------------------- --spec decode_avps(parent_name(), [#diameter_avp{}]) +-spec decode_avps(parent_name(), [#diameter_avp{}], map()) -> {parent_record(), [avp()], Failed} when Failed :: [{5000..5999, #diameter_avp{}}]. -decode_avps(Name, Recs) -> +decode_avps(Name, Recs, Opts) -> {Avps, {Rec, Failed}} - = mapfoldl(fun(T,A) -> decode(Name, T, A) end, + = mapfoldl(fun(T,A) -> decode(Name, Opts, T, A) end, {newrec(Name), []}, Recs), {Rec, Avps, Failed ++ missing(Rec, Name, Failed)}. @@ -284,20 +260,16 @@ empty_avp(Name, {Code, Flags, VId}) -> %% specific errors that can be described by this AVP are described in %% the following section. -%% decode/3 - -decode(Name, #diameter_avp{code = Code, vendor_id = Vid} = Avp, Acc) -> - decode(Name, avp_name(Code, Vid), Avp, Acc). - %% decode/4 -%% AVP is defined in the dictionary ... -decode(Name, {AvpName, Type}, Avp, Acc) -> - d(Name, Avp#diameter_avp{name = AvpName, type = Type}, Acc); +decode(Name, Opts, #diameter_avp{code = Code, vendor_id = Vid} = Avp, Acc) -> + decode(Name, Opts, avp_name(Code, Vid), Avp, Acc). -%% ... or not. -decode(Name, 'AVP', Avp, Acc) -> - decode_AVP(Name, Avp, Acc). +%% decode/5 + +%% AVP not in dictionary. +decode(Name, Opts, 'AVP', Avp, Acc) -> + decode_AVP(Name, Avp, Opts, Acc); %% 6733, 4.4: %% @@ -346,47 +318,63 @@ decode(Name, 'AVP', Avp, Acc) -> %% defined the RFC's "unrecognized", which is slightly stronger than %% "not defined".) -%% d/3 - -d(Name, Avp, Acc) -> - #diameter_avp{name = AvpName, - data = Data, - type = Type, - is_mandatory = M} +decode(Name, Opts0, {AvpName, Type}, Avp, Acc) -> + #diameter_avp{data = Data, is_mandatory = M} = Avp, - %% Use the process dictionary is to keep track of whether or not - %% to ignore an M-bit on an encapsulated AVP. Not ideal, but the - %% alternative requires widespread changes to be able to pass the - %% value around through the entire decode. The solution here is - %% simple in comparison, both to implement and to understand. + %% Whether or not to ignore an M-bit on an encapsulated AVP, or on + %% all AVPs with the service_opt() strict_mbit. + Opts1 = set_strict(Type, M, Opts0), - Strict = relax(Type, M), + %% Whether or not we're decoding within Failed-AVP and should + %% ignore decode errors. + #{dictionary := AppMod, failed_avp := Failed} + = Opts + = set_failed(Name, Opts1), %% Not AvpName or else a failed Failed-AVP + %% decode is packed into 'AVP'. - %% Use the process dictionary again to keep track of whether we're - %% decoding within Failed-AVP and should ignore decode errors - %% altogether. - - Failed = relax(Name), %% Not AvpName or else a failed Failed-AVP - %% decode is packed into 'AVP'. - Mod = dict(Failed), %% Dictionary to decode in. + %% Reset the dictionary for best-effort decode of Failed-AVP. + Mod = if Failed -> + AppMod; + true -> + ?MODULE + end, %% On decode, a Grouped AVP is represented as a #diameter_avp{} %% list with AVP as head and component AVPs as tail. On encode, %% data can be a list of component AVPs. - try Mod:avp(decode, Data, AvpName) of - V -> - {H, A} = ungroup(V, Avp), - {H, pack_avp(Name, A, Acc)} + try Mod:avp(decode, Data, AvpName, Opts) of + {Rec, As} when Type == 'Grouped' -> + A = Avp#diameter_avp{name = AvpName, + value = Rec, + type = Type}, + {[A|As], pack_avp(Name, A, Opts, Acc)}; + + V when Type /= 'Grouped' -> + A = Avp#diameter_avp{name = AvpName, + value = V, + type = Type}, + {A, pack_avp(Name, A, Opts, Acc)} catch throw: {?TAG, {grouped, Error, ComponentAvps}} -> - g(is_failed(), Error, Name, trim(Avp), Acc, ComponentAvps); + decode_error(Name, + Error, + ComponentAvps, + Opts, + Avp#diameter_avp{name = AvpName, + data = trim(Avp#diameter_avp.data), + type = Type}, + Acc); + error: Reason -> - d(is_failed(), Reason, Name, trim(Avp), Acc) - after - reset(?STRICT_KEY, Strict), - reset(?FAILED_KEY, Failed) + decode_error(Name, + Reason, + Opts, + Avp#diameter_avp{name = AvpName, + data = trim(Avp#diameter_avp.data), + type = Type}, + Acc) end. %% trim/1 @@ -407,123 +395,66 @@ trim(Avps) trim(Avp) -> Avp. -%% dict/1 -%% -%% Retrieve the dictionary for the best-effort decode of Failed-AVP, -%% as put by diameter_codec:decode/2. See that function for the -%% explanation. - -dict(true) -> - case get({diameter_codec, dictionary}) of - undefined -> - ?MODULE; - Mod -> - Mod - end; - -dict(_) -> - ?MODULE. - -%% g/5 - -%% Ignore decode errors within Failed-AVP (best-effort) ... -g(true, [_Error | Rec], Name, Avp, Acc, _ComponentAvps) -> - decode_AVP(Name, Avp#diameter_avp{value = Rec}, Acc); -g(true, _Error, Name, Avp, Acc, _ComponentAvps) -> - decode_AVP(Name, Avp, Acc); - -%% ... or not. -g(false, [Error | _Rec], _Name, Avp, Acc, ComponentAvps) -> - g(Error, Avp, Acc, ComponentAvps); -g(false, Error, _Name, Avp, Acc, ComponentAvps) -> - g(Error, Avp, Acc, ComponentAvps). - -%% g/4 - -g({RC, ErrorData}, Avp, Acc, ComponentAvps) -> - {Rec, Errors} = Acc, - E = Avp#diameter_avp{data = [ErrorData]}, - {[Avp | trim(ComponentAvps)], {Rec, [{RC, E} | Errors]}}. +%% decode_error/6 + +decode_error(Name, [_ | Rec], _, #{failed_avp := true} = Opts, Avp, Acc) -> + decode_AVP(Name, Avp#diameter_avp{value = Rec}, Opts, Acc); + +decode_error(Name, _, _, #{failed_avp := true} = Opts, Avp, Acc) -> + decode_AVP(Name, Avp, Opts, Acc); -%% d/5 +decode_error(_, [Error | _], ComponentAvps, _, Avp, Acc) -> + decode_error(Error, Avp, Acc, ComponentAvps); -%% Ignore a decode error within Failed-AVP ... -d(true, _, Name, Avp, Acc) -> - decode_AVP(Name, Avp, Acc); +decode_error(_, Error, ComponentAvps, _, Avp, Acc) -> + decode_error(Error, Avp, Acc, ComponentAvps). -%% ... or not. Failures here won't be visible since they're a "normal" -%% occurrence if the peer sends a faulty AVP that we need to respond -%% sensibly to. Log the occurence for traceability, but the peer will -%% also receive info in the resulting answer message. -d(false, Reason, Name, Avp, Acc) -> +%% decode_error/5 + +decode_error(Name, _Reason, #{failed_avp := true} = Opts, Avp, Acc) -> + decode_AVP(Name, Avp, Opts, Acc); + +decode_error(Name, Reason, _, Avp, {Rec, Failed}) -> Stack = diameter_lib:get_stacktrace(), diameter_lib:log(decode_error, ?MODULE, ?LINE, {Name, Avp#diameter_avp.name, Stack}), - {Rec, Failed} = Acc, {Avp, {Rec, [rc(Reason, Avp) | Failed]}}. -%% relax/2 - -%% Set false in the process dictionary as soon as we see a Grouped AVP -%% that doesn't set the M-bit, so that is_strict() can say whether or -%% not to ignore the M-bit on an encapsulated AVP. -relax('Grouped', M) -> - case getr(?STRICT_KEY) of - undefined when not M -> - putr(?STRICT_KEY, M); - _ -> - false - end; -relax(_, _) -> - false. - -is_strict() -> - diameter_codec:getopt(strict_mbit) - andalso false /= getr(?STRICT_KEY). - -%% relax/1 -%% -%% Set true in the process dictionary as soon as we see Failed-AVP. -%% Matching on 'Failed-AVP' assumes that this is the RFC AVP. -%% Strictly, this doesn't need to be the case. - -relax('Failed-AVP') -> - putr(?FAILED_KEY, true); +%% decode_error/4 -relax(_) -> - is_failed(). - -%% is_failed/0 -%% -%% Is the AVP currently being decoded nested within Failed-AVP? Note -%% that this is only true when Failed-AVP is the parent. In -%% particular, it's not true when Failed-AVP itself is being decoded -%% (unless nested). - -is_failed() -> - true == getr(?FAILED_KEY). +decode_error({RC, ErrorData}, Avp, {Rec, Failed}, ComponentAvps) -> + E = Avp#diameter_avp{data = [ErrorData]}, + {[Avp | trim(ComponentAvps)], {Rec, [{RC, E} | Failed]}}. -%% is_failed/1 +%% set_strict/3 -is_failed(Name) -> - 'Failed-AVP' == Name orelse is_failed(). +%% Set false as soon as we see a Grouped AVP that doesn't set the +%% M-bit, to ignore the M-bit on an encapsulated AVP. +set_strict('Grouped', false = M, #{strict_mbit := true} = Opts) -> + Opts#{strict_mbit := M}; +set_strict(_, _, Opts) -> + Opts. -%% reset/2 +%% set_failed/2 +%% +%% Set true as soon as we see Failed-AVP. Matching on 'Failed-AVP' +%% assumes that this is the RFC AVP. Strictly, this doesn't need to be +%% the case. -reset(Key, undefined) -> - eraser(Key); -reset(_, _) -> - ok. +set_failed('Failed-AVP', #{failed_avp := false} = Opts) -> + Opts#{failed_avp := true}; +set_failed(_, Opts) -> + Opts. -%% decode_AVP/3 +%% decode_AVP/4 %% %% Don't know this AVP: see if it can be packed in an 'AVP' field %% undecoded. Note that the type field is 'undefined' in this case. -decode_AVP(Name, Avp, Acc) -> - {trim(Avp), pack_AVP(Name, Avp, Acc)}. +decode_AVP(Name, Avp, Opts, Acc) -> + {trim(Avp), pack_AVP(Name, Avp, Opts, Acc)}. %% rc/1 @@ -543,37 +474,20 @@ rc({'DIAMETER', 5014 = RC, _}, #diameter_avp{name = AvpName} = Avp) -> rc(_, Avp) -> {5004, Avp}. -%% ungroup/2 - --spec ungroup(term(), #diameter_avp{}) - -> {avp(), #diameter_avp{}}. - -%% The decoded value in the Grouped case is as returned by grouped_avp/3: -%% a record and a list of component AVP's. -ungroup(V, #diameter_avp{type = 'Grouped'} = Avp) -> - {Rec, As} = V, - A = Avp#diameter_avp{value = Rec}, - {[A|As], A}; - -%% Otherwise it's just a plain value. -ungroup(V, #diameter_avp{} = Avp) -> - A = Avp#diameter_avp{value = V}, - {A, A}. - -%% pack_avp/3 +%% pack_avp/4 -pack_avp(Name, #diameter_avp{name = AvpName} = Avp, Acc) -> - pack_avp(Name, avp_arity(Name, AvpName), Avp, Acc). +pack_avp(Name, #diameter_avp{name = AvpName} = Avp, Opts, Acc) -> + pack_avp(Name, avp_arity(Name, AvpName), Avp, Opts, Acc). -%% pack_avp/4 +%% pack_avp/5 -pack_avp(Name, 0, Avp, Acc) -> - pack_AVP(Name, Avp, Acc); +pack_avp(Name, 0, Avp, Opts, Acc) -> + pack_AVP(Name, Avp, Opts, Acc); -pack_avp(_, Arity, Avp, Acc) -> - pack(Arity, Avp#diameter_avp.name, Avp, Acc). +pack_avp(_, Arity, #diameter_avp{name = AvpName} = Avp, _, Acc) -> + pack(Arity, AvpName, Avp, Acc). -%% pack_AVP/3 +%% pack_AVP/4 %% Length failure was induced because of a header/payload length %% mismatch. The AVP Length is reset to match the received data if @@ -588,44 +502,47 @@ pack_avp(_, Arity, Avp, Acc) -> %% payload for the AVP's type, but in this case we don't know the %% type. -pack_AVP(_, #diameter_avp{data = {5014 = RC, Data}} = Avp, Acc) -> +pack_AVP(_, #diameter_avp{data = {5014 = RC, Data}} = Avp, _, Acc) -> {Rec, Failed} = Acc, {Rec, [{RC, Avp#diameter_avp{data = Data}} | Failed]}; -pack_AVP(Name, #diameter_avp{is_mandatory = M, name = AvpName} = Avp, Acc) -> - case pack_arity(Name, AvpName, M) of - 0 -> - {Rec, Failed} = Acc, - {Rec, [{if M -> 5001; true -> 5008 end, Avp} | Failed]}; - Arity -> - pack(Arity, 'AVP', Avp, Acc) - end. +pack_AVP(Name, Avp, Opts, Acc) -> + pack_AVP(pack_arity(Name, Opts, Avp), Avp, Acc). + +%% pack_AVP/3 + +pack_AVP(0, #diameter_avp{is_mandatory = M} = Avp, Acc) -> + {Rec, Failed} = Acc, + {Rec, [{if M -> 5001; true -> 5008 end, Avp} | Failed]}; + +pack_AVP(Arity, Avp, Acc) -> + pack(Arity, 'AVP', Avp, Acc). %% Give Failed-AVP special treatment since (1) it'll contain any %% unrecognized mandatory AVP's and (2) the RFC 3588 grammar failed to %% allow for Failed-AVP in an answer-message. -pack_arity(Name, AvpName, M) -> +pack_arity(Name, + #{strict_mbit := Strict, + failed_avp := Failed}, + #diameter_avp{is_mandatory = M, + name = AvpName}) -> %% Not testing just Name /= 'Failed-AVP' means we're changing the %% packing of AVPs nested within Failed-AVP, but the point of %% ignoring errors within Failed-AVP is to decode as much as %% possible, and failing because a mandatory AVP couldn't be - %% packed into a dedicated field defeats that point. Note - %% is_failed/1 since is_failed/0 will return false when packing - %% 'AVP' within Failed-AVP. - - pack_arity(is_failed(Name) - orelse {Name, AvpName} == {'answer-message', 'Failed-AVP'} - orelse not M - orelse not is_strict(), - Name). - -pack_arity(true, Name) -> - avp_arity(Name, 'AVP'); - -pack_arity(false, _) -> - 0. + %% packed into a dedicated field defeats that point. + + if Failed == true; + Name == 'Failed-AVP'; + Name == 'answer-message', AvpName == 'Failed-AVP'; + not M; + not Strict -> + avp_arity(Name, 'AVP'); + true -> + 0 + end. %% 3588: %% @@ -679,9 +596,9 @@ pack(L, {_, Max}, F, Avp, {Rec, Failed}) -> %% # grouped_avp/3 %% --------------------------------------------------------------------------- --spec grouped_avp(decode, avp_name(), binary() | {5014, binary()}) +-spec grouped_avp(decode, avp_name(), binary() | {5014, binary()}, term()) -> {avp_record(), [avp()]}; - (encode, avp_name(), avp_record() | avp_values()) + (encode, avp_name(), avp_record() | avp_values(), term()) -> iolist() | no_return(). @@ -689,14 +606,14 @@ pack(L, {_, Max}, F, Avp, {Rec, Failed}) -> %% length in the header was too short (insufficient for the extracted %% header) or too long (past the end of the message). An empty payload %% is sufficient according to the RFC text for 5014. -grouped_avp(decode, _Name, {5014 = RC, _Bin}) -> +grouped_avp(decode, _Name, {5014 = RC, _Bin}, _) -> throw({?TAG, {grouped, {RC, []}, []}}); -grouped_avp(decode, Name, Data) -> - grouped_decode(Name, diameter_codec:collect_avps(Data)); +grouped_avp(decode, Name, Data, Opts) -> + grouped_decode(Name, diameter_codec:collect_avps(Data), Opts); -grouped_avp(encode, Name, Data) -> - encode_avps(Name, Data). +grouped_avp(encode, Name, Data, Opts) -> + encode_avps(Name, Data, Opts). %% grouped_decode/2 %% @@ -705,7 +622,7 @@ grouped_avp(encode, Name, Data) -> %% records. %% Length error in trailing component AVP. -grouped_decode(_Name, {Error, Acc}) -> +grouped_decode(_Name, {Error, Acc}, _) -> {5014, Avp} = Error, throw({?TAG, {grouped, Error, [Avp | Acc]}}); @@ -723,8 +640,8 @@ grouped_decode(_Name, {Error, Acc}) -> %% component, which the catch in d/3 wraps in the Grouped AVP in %% question. A partially decoded record is only used when ignoring %% errors in Failed-AVP. -grouped_decode(Name, ComponentAvps) -> - {Rec, Avps, Es} = decode_avps(Name, ComponentAvps), +grouped_decode(Name, ComponentAvps, Opts) -> + {Rec, Avps, Es} = decode_avps(Name, ComponentAvps, Opts), [] == Es orelse throw({?TAG, {grouped, [{_,_} = hd(Es) | Rec], Avps}}), {Rec, Avps}. @@ -745,7 +662,7 @@ z(Name, {Min, _}) -> z('AVP') -> <<0:64>>; %% minimal header z(Name) -> - Bin = diameter_codec:pack_avp(avp_header(Name), empty_value(Name)), + Bin = diameter_codec:pack_data(avp_header(Name), empty_value(Name)), Sz = iolist_size(Bin), <<0:Sz/unit:8>>. @@ -754,4 +671,4 @@ z(Name) -> %% --------------------------------------------------------------------------- empty(AvpName) -> - avp(encode, zero, AvpName). + avp(encode, zero, AvpName, _Opts = []). |