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-rw-r--r--lib/diameter/include/diameter_gen.hrl15
1 files changed, 11 insertions, 4 deletions
diff --git a/lib/diameter/include/diameter_gen.hrl b/lib/diameter/include/diameter_gen.hrl
index 49287b3f70..8916286275 100644
--- a/lib/diameter/include/diameter_gen.hrl
+++ b/lib/diameter/include/diameter_gen.hrl
@@ -323,12 +323,19 @@ d(Name, Avp, Acc) ->
%% decode is packed into 'AVP'.
Mod = dict(Failed), %% Dictionary to decode in.
+ %% 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 ->
{Avps, T} = Acc,
{H, A} = ungroup(V, Avp),
{[H | Avps], pack_avp(Name, A, T)}
catch
+ throw: {?TAG, {grouped, RC, ComponentAvps}} ->
+ {Avps, {Rec, Failed}} = Acc,
+ {[[Avp | ComponentAvps] | Avps], {Rec, [{RC, Avp} | Failed]}};
error: Reason ->
d(undefined == Failed orelse is_failed(),
Reason,
@@ -599,11 +606,11 @@ value(_, Avp) ->
| no_return().
grouped_avp(decode, Name, Data) ->
- {Rec, Avps, []} = decode_avps(Name, diameter_codec:collect_avps(Data)),
+ {Rec, Avps, Es} = decode_avps(Name, diameter_codec:collect_avps(Data)),
+ [] == Es orelse throw({?TAG, {grouped, 5004, Avps}}), %% decode failure
{Rec, Avps};
-%% A failed match here will result in 5004. Note that this is the only
-%% AVP type that doesn't just return the decoded record, also
-%% returning the list of component AVP's.
+%% Note that this is the only AVP type that doesn't just return the
+%% decoded record, also returning the list of component AVP's.
grouped_avp(encode, Name, Data) ->
encode_avps(Name, Data).