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Diffstat (limited to 'lib/diameter/src/base/diameter_codec.erl')
-rw-r--r--lib/diameter/src/base/diameter_codec.erl57
1 files changed, 23 insertions, 34 deletions
diff --git a/lib/diameter/src/base/diameter_codec.erl b/lib/diameter/src/base/diameter_codec.erl
index 0b0bfe3f0a..e446a0209c 100644
--- a/lib/diameter/src/base/diameter_codec.erl
+++ b/lib/diameter/src/base/diameter_codec.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -26,7 +26,7 @@
decode_header/1,
sequence_numbers/1,
hop_by_hop_id/2,
- msg_name/1,
+ msg_name/2,
msg_id/1]).
%% Towards generated encoders (from diameter_gen.hrl).
@@ -99,13 +99,13 @@ e(_, #diameter_packet{msg = [#diameter_header{} = Hdr | As]} = Pkt) ->
Eid:32,
Avps/binary>>};
-e(Mod0, #diameter_packet{header = Hdr, msg = Msg} = Pkt) ->
+e(Mod, #diameter_packet{header = Hdr, msg = Msg} = Pkt) ->
#diameter_header{version = Vsn,
hop_by_hop_id = Hid,
end_to_end_id = Eid}
= Hdr,
- {Mod, MsgName} = rec2msg(Mod0, Msg),
+ MsgName = rec2msg(Mod, Msg),
{Code, Flags0, Aid} = msg_header(Mod, MsgName, Hdr),
Flags = make_flags(Flags0, Hdr),
@@ -192,11 +192,11 @@ encode_avps(Avps) ->
%% msg_header/3
msg_header(Mod, 'answer-message' = MsgName, Header) ->
- ?BASE = Mod,
+ 0 = Mod:id(), %% assert
#diameter_header{application_id = Aid,
cmd_code = Code}
= Header,
- {-1, Flags, ?DIAMETER_APP_ID_COMMON} = ?BASE:msg_header(MsgName),
+ {-1, Flags, ?DIAMETER_APP_ID_COMMON} = Mod:msg_header(MsgName),
{Code, Flags, Aid};
msg_header(Mod, MsgName, _) ->
@@ -204,22 +204,12 @@ msg_header(Mod, MsgName, _) ->
%% rec2msg/2
-rec2msg(_, ['answer-message' = M | _]) ->
- {?BASE, M};
-
-rec2msg(Mod, [MsgName|_])
- when is_atom(MsgName) ->
- {Mod, MsgName};
+rec2msg(_, [Name|_])
+ when is_atom(Name) ->
+ Name;
rec2msg(Mod, Rec) ->
- R = element(1, Rec),
- A = 'answer-message',
- case ?BASE:msg2rec(A) of
- R ->
- {?BASE, A};
- _ ->
- {Mod, Mod:rec2msg(R)}
- end.
+ Mod:rec2msg(element(1, Rec)).
%%% ---------------------------------------------------------------------------
%%% # decode/2
@@ -243,20 +233,19 @@ decode(?APP_ID_RELAY, _, #diameter_packet{} = Pkt) ->
end;
%% Otherwise decode using the dictionary.
-decode(_, Mod, #diameter_packet{header = Hdr} = Pkt)
- when is_atom(Mod) ->
+decode(_, Mod, #diameter_packet{header = Hdr} = Pkt) ->
#diameter_header{cmd_code = CmdCode,
is_request = IsRequest,
is_error = IsError}
= Hdr,
- {M, MsgName} = if IsError andalso not IsRequest ->
- {?BASE, 'answer-message'};
- true ->
- {Mod, Mod:msg_name(CmdCode, IsRequest)}
- end,
+ MsgName = if IsError andalso not IsRequest ->
+ 'answer-message';
+ true ->
+ Mod:msg_name(CmdCode, IsRequest)
+ end,
- decode_avps(MsgName, M, Pkt, collect_avps(Pkt));
+ decode_avps(MsgName, Mod, Pkt, collect_avps(Pkt));
decode(Id, Mod, Bin)
when is_bitstring(Bin) ->
@@ -360,15 +349,15 @@ hop_by_hop_id(Id, <<H:12/binary, _:32, T/binary>>) ->
<<H/binary, Id:32, T/binary>>.
%%% ---------------------------------------------------------------------------
-%%% # msg_name/1
+%%% # msg_name/2
%%% ---------------------------------------------------------------------------
-msg_name(#diameter_header{application_id = ?APP_ID_COMMON,
- cmd_code = C,
- is_request = R}) ->
- ?BASE:msg_name(C,R);
+msg_name(Dict0, #diameter_header{application_id = ?APP_ID_COMMON,
+ cmd_code = C,
+ is_request = R}) ->
+ Dict0:msg_name(C,R);
-msg_name(Hdr) ->
+msg_name(_, Hdr) ->
msg_id(Hdr).
%% Note that messages in different applications could have the same