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authorAnders Svensson <[email protected]>2017-04-25 09:36:25 +0200
committerAnders Svensson <[email protected]>2017-06-13 13:50:06 +0200
commit2e222053c23054dafcbd9ced1072667a3d7f065a (patch)
tree94eb45e3a2635a6dc7bfec9226f085c2faeb29a5 /lib/diameter/src/base
parent80b0a39add59ee0dda0927ffabfef46677b9e65a (diff)
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Simplify diameter_caps construction
Replace old macro-based implementation with something more readable.
Diffstat (limited to 'lib/diameter/src/base')
-rw-r--r--lib/diameter/src/base/diameter_capx.erl42
1 files changed, 17 insertions, 25 deletions
diff --git a/lib/diameter/src/base/diameter_capx.erl b/lib/diameter/src/base/diameter_capx.erl
index 30ac847a54..837125339a 100644
--- a/lib/diameter/src/base/diameter_capx.erl
+++ b/lib/diameter/src/base/diameter_capx.erl
@@ -94,6 +94,9 @@ recv_CER(CER, Svc, Dict) ->
recv_CEA(CEA, Svc, Dict) ->
try_it([fun rCEA/3, CEA, Svc, Dict]).
+-spec make_caps(#diameter_caps{}, [{atom(), term()}])
+ -> tried(#diameter_caps{}).
+
make_caps(Caps, Opts) ->
try_it([fun mk_caps/2, Caps, Opts]).
@@ -110,31 +113,20 @@ try_it([Fun | Args]) ->
%% mk_caps/2
mk_caps(Caps0, Opts) ->
- {Caps, _} = lists:foldl(fun set_cap/2,
- {Caps0, #diameter_caps{_ = false}},
- Opts),
- Caps.
-
--define(SC(K,F),
- set_cap({K, Val}, {Caps, #diameter_caps{F = false} = C}) ->
- {Caps#diameter_caps{F = cap(K, copy(Val))},
- C#diameter_caps{F = true}}).
-
-?SC('Origin-Host', origin_host);
-?SC('Origin-Realm', origin_realm);
-?SC('Host-IP-Address', host_ip_address);
-?SC('Vendor-Id', vendor_id);
-?SC('Product-Name', product_name);
-?SC('Origin-State-Id', origin_state_id);
-?SC('Supported-Vendor-Id', supported_vendor_id);
-?SC('Auth-Application-Id', auth_application_id);
-?SC('Inband-Security-Id', inband_security_id);
-?SC('Acct-Application-Id', acct_application_id);
-?SC('Vendor-Specific-Application-Id', vendor_specific_application_id);
-?SC('Firmware-Revision', firmware_revision);
-
-set_cap({Key, _}, _) ->
- ?THROW({duplicate, Key}).
+ Fields = diameter_gen_base_rfc3588:'#info-'(diameter_base_CER, fields),
+ Defs = lists:zip(Fields, tl(tuple_to_list(Caps0))),
+ Unset = maps:from_list([{F, true} || F <- lists:droplast(Fields)]), %% no 'AVP'
+ {Caps, _} = lists:foldl(fun set_cap/2, {Defs, Unset}, Opts),
+ #diameter_caps{} = list_to_tuple([diameter_caps | [V || {_,V} <- Caps]]).
+
+set_cap({F,V}, {Caps, Unset}) ->
+ case Unset of
+ #{F := true} ->
+ {lists:keyreplace(F, 1, Caps, {F, cap(F, copy(V))}),
+ maps:remove(F, Unset)};
+ _ ->
+ ?THROW({duplicate, F})
+ end.
cap(K, V)
when K == 'Origin-Host';