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-rw-r--r--lib/diameter/src/base/diameter_capx.erl45
-rw-r--r--lib/diameter/test/diameter_capx_SUITE.erl26
2 files changed, 67 insertions, 4 deletions
diff --git a/lib/diameter/src/base/diameter_capx.erl b/lib/diameter/src/base/diameter_capx.erl
index 715b15628c..9a443fead0 100644
--- a/lib/diameter/src/base/diameter_capx.erl
+++ b/lib/diameter/src/base/diameter_capx.erl
@@ -172,7 +172,50 @@ ipaddr(A) ->
bCER(#diameter_caps{} = Rec, Dict) ->
Values = lists:zip(Dict:'#info-'(diameter_base_CER, fields),
tl(tuple_to_list(Rec))),
- Dict:'#new-'(diameter_base_CER, Values).
+ Dict:'#new-'(diameter_base_CER, [{K, map(K, V, Dict)}
+ || {K,V} <- Values]).
+
+%% map/3
+%%
+%% Deal with differerences in common dictionary AVP's to make changes
+%% transparent in service/transport config. In particular, one
+%% annoying difference between RFC 3588 and RFC 6733.
+%%
+%% RFC 6773 changes the definition of Vendor-Specific-Application-Id,
+%% giving Vendor-Id arity 1 instead of 3588's 1*. This causes woe
+%% since the corresponding dictionaries expect different values for a
+%% 'Vendor-Id': a list for 3588, an integer for 6733.
+
+map('Vendor-Specific-Application-Id', L, Dict) ->
+ Rec = Dict:'#new-'('diameter_base_Vendor-Specific-Application-Id', []),
+ Def = Dict:'#get-'('Vendor-Id', Rec),
+ [vsa(V, Def) || V <- L];
+map(_, V, _) ->
+ V.
+
+vsa({_, N, _, _} = Rec, [])
+ when is_integer(N) ->
+ setelement(2, Rec, [N]);
+
+vsa({_, [N], _, _} = Rec, undefined)
+ when is_integer(N) ->
+ setelement(2, Rec, N);
+
+vsa([_|_] = L, Def) ->
+ [vid(T, Def) || T <- L];
+
+vsa(T, _) ->
+ T.
+
+vid({'Vendor-Id' = K, N}, [])
+ when is_integer(N) ->
+ {K, [N]};
+
+vid({'Vendor-Id' = K, [N]}, undefined) ->
+ {K, N};
+
+vid(T, _) ->
+ T.
%% rCER/3
%%
diff --git a/lib/diameter/test/diameter_capx_SUITE.erl b/lib/diameter/test/diameter_capx_SUITE.erl
index a4e4195a19..6fe6682571 100644
--- a/lib/diameter/test/diameter_capx_SUITE.erl
+++ b/lib/diameter/test/diameter_capx_SUITE.erl
@@ -34,6 +34,7 @@
%% testcases
-export([start/1,
+ vendor_id/1,
start_services/1,
add_listeners/1,
s_no_common_application/1,
@@ -69,7 +70,7 @@
-define(HOST(Name), Name ++ "." ++ ?REALM).
%% Config for diameter:start_service/2.
--define(SERVICE(Name),
+-define(SERVICE,
[{'Origin-Realm', ?REALM},
{'Host-IP-Address', [?ADDR]},
{'Vendor-Id', 12345},
@@ -103,6 +104,7 @@ suite() ->
[{timetrap, {seconds, 60}}].
all() -> [start,
+ vendor_id,
start_services,
add_listeners]
++ [{group, D, P} || D <- ?DICTS, P <- [[], [parallel]]]
@@ -156,9 +158,27 @@ tc() ->
start(_Config) ->
ok = diameter:start().
+%% Ensure that both integer and list-valued vendor id's can be
+%% configured in a 'Vendor-Specific-Application-Id, the arity having
+%% changed between RFC 3588 and RFC 6733.
+vendor_id(_Config) ->
+ [] = ?util:run([[fun vid/1, V] || V <- [1, [1], [1,2], x]]).
+
+vid(V) ->
+ RC = diameter:start_service(make_ref(),
+ [{'Vendor-Specific-Application-Id',
+ [[{'Vendor-Id', V}]]}
+ | ?SERVICE]),
+ vid(V, RC).
+
+vid(x, {error, _}) ->
+ ok;
+vid(_, ok) ->
+ ok.
+
start_services(_Config) ->
- ok = diameter:start_service(?SERVER, ?SERVICE(?SERVER)),
- ok = diameter:start_service(?CLIENT, ?SERVICE(?CLIENT)).
+ ok = diameter:start_service(?SERVER, ?SERVICE),
+ ok = diameter:start_service(?CLIENT, ?SERVICE).
%% One server that responds only to base accounting, one that responds
%% to both this and the common application. Share a common service just