aboutsummaryrefslogtreecommitdiffstats
path: root/lib/diameter/src/base/diameter_codec.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/diameter/src/base/diameter_codec.erl')
-rw-r--r--lib/diameter/src/base/diameter_codec.erl21
1 files changed, 14 insertions, 7 deletions
diff --git a/lib/diameter/src/base/diameter_codec.erl b/lib/diameter/src/base/diameter_codec.erl
index 34276a1674..bcdc5b3005 100644
--- a/lib/diameter/src/base/diameter_codec.erl
+++ b/lib/diameter/src/base/diameter_codec.erl
@@ -657,16 +657,23 @@ split_data(Bin, Len) ->
%% The normal case here is data as an #diameter_avp{} list or an
%% iolist, which are the cases that generated codec modules use. The
-%% other case is as a convenience in the relay case in which the
+%% other cases are a convenience in the relay case in which the
%% dictionary doesn't know about specific AVP's.
-%% Grouped AVP whose components need packing ...
-pack_avp([#diameter_avp{} = A | Avps]) ->
- pack_avp(A#diameter_avp{data = Avps});
-pack_avp(#diameter_avp{data = [#diameter_avp{} | _] = Avps} = A) ->
- pack_avp(A#diameter_avp{data = encode_avps(Avps)});
+%% Decoded Grouped AVP with decoded components: ignore components
+%% since they're already encoded in the Grouped AVP.
+pack_avp([#diameter_avp{} = Grouped | _Components]) ->
+ pack_avp(Grouped);
-%% ... data as a type/value tuple ...
+%% Grouped AVP whose components need packing. It's intentional that
+%% this isn't equivalent to [Grouped | Components]: here the
+%% components need to be encoded before wrapping with the Grouped AVP,
+%% and the list is flat, nesting being accomplished in the data
+%% fields.
+pack_avp(#diameter_avp{data = [#diameter_avp{} | _] = Components} = Grouped) ->
+ pack_avp(Grouped#diameter_avp{data = encode_avps(Components)});
+
+%% Data as a type/value tuple ...
pack_avp(#diameter_avp{data = {Type, Value}} = A)
when is_atom(Type) ->
pack_avp(A#diameter_avp{data = diameter_types:Type(encode, Value)});