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-rw-r--r--lib/diameter/include/diameter_gen.hrl29
1 files changed, 18 insertions, 11 deletions
diff --git a/lib/diameter/include/diameter_gen.hrl b/lib/diameter/include/diameter_gen.hrl
index e8ffe7f92c..6e2af0f8f7 100644
--- a/lib/diameter/include/diameter_gen.hrl
+++ b/lib/diameter/include/diameter_gen.hrl
@@ -338,11 +338,7 @@ d(Name, Avp, Acc) ->
A = trim(Avp),
{[[A | trim(ComponentAvps)] | Avps], {Rec, [{RC, A} | Errors]}};
error: Reason ->
- d(undefined == Failed orelse is_failed(),
- Reason,
- Name,
- trim(Avp),
- Acc)
+ d(is_failed(), Reason, Name, trim(Avp), Acc)
after
reset(?STRICT_KEY, Strict),
reset(?FAILED_KEY, Failed)
@@ -428,10 +424,22 @@ relax('Failed-AVP') ->
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).
+%% is_failed/1
+
+is_failed(Name) ->
+ 'Failed-AVP' == Name orelse is_failed().
+
%% reset/2
reset(Key, undefined) ->
@@ -528,17 +536,16 @@ pack_AVP(Name, #diameter_avp{is_mandatory = M, name = AvpName} = Avp, Acc) ->
%% allow for Failed-AVP in an answer-message.
pack_arity(Name, AvpName, M) ->
- IsFailed = Name == 'Failed-AVP' orelse is_failed(),
%% 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 that we
- %% can't just test not is_failed() since this will be 'true' when
- %% packing an unknown AVP directly within Failed-AVP.
+ %% 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(IsFailed
+ pack_arity(is_failed(Name)
orelse {Name, AvpName} == {'answer-message', 'Failed-AVP'}
orelse not M
orelse not is_strict(),