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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%%
+%% Tests of application_opt() request_errors.
+%%
+
+-module(diameter_3xxx_SUITE).
+
+-export([suite/0,
+ all/0,
+ groups/0,
+ init_per_suite/1,
+ end_per_suite/1,
+ init_per_group/2,
+ end_per_group/2,
+ init_per_testcase/2,
+ end_per_testcase/2]).
+
+%% testcases
+-export([start/1,
+ send/1,
+ stop/1]).
+
+%% diameter callbacks
+-export([peer_up/3,
+ peer_down/3,
+ pick_peer/4,
+ prepare_request/3,
+ handle_answer/4,
+ handle_error/4,
+ handle_request/3]).
+
+-include("diameter.hrl").
+-include("diameter_gen_base_rfc6733.hrl").
+
+%% ===========================================================================
+
+-define(util, diameter_util).
+
+-define(CLIENT, "CLIENT").
+-define(SERVER, "SERVER").
+-define(REALM, "erlang.org").
+-define(HOST(Host, Realm), Host ++ [$.|Realm]).
+-define(DICT, diameter_gen_base_rfc6733).
+
+%% Config for diameter:start_service/2.
+-define(SERVICE(Name, RequestErrors),
+ [{'Origin-Host', Name ++ "." ++ ?REALM},
+ {'Origin-Realm', ?REALM},
+ {'Host-IP-Address', [{127,0,0,1}]},
+ {'Vendor-Id', 12345},
+ {'Product-Name', "OTP/diameter"},
+ {'Auth-Application-Id', [?DIAMETER_APP_ID_COMMON]},
+ {application, [{dictionary, ?DICT},
+ {module, ?MODULE},
+ {answer_errors, callback},
+ {request_errors, RequestErrors}]}]).
+
+-define(SUCCESS, ?'DIAMETER_BASE_RESULT-CODE_SUCCESS').
+-define(UNSUPPORTED, ?'DIAMETER_BASE_RESULT-CODE_COMMAND_UNSUPPORTED').
+
+-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT').
+
+-define(GROUPS, [answer_3xxx, callback]).
+-define(L, atom_to_list).
+
+%% ===========================================================================
+
+suite() ->
+ [{timetrap, {seconds, 60}}].
+
+all() ->
+ [{group, G} || G <- ?GROUPS].
+
+groups() ->
+ [{G, [], [start, send, stop]} || G <- ?GROUPS].
+
+init_per_suite(Config) ->
+ ok = diameter:start(),
+ Config.
+
+end_per_suite(_Config) ->
+ ok = diameter:stop().
+
+init_per_group(Group, Config) ->
+ [{group, Group} | Config].
+
+end_per_group(_, _) ->
+ ok.
+
+init_per_testcase(_Name, Config) ->
+ Config.
+
+end_per_testcase(_, _) ->
+ ok.
+
+origin(answer_3xxx) -> 0;
+origin(callback) -> 1;
+
+origin(0) -> answer_3xxx;
+origin(1) -> callback.
+
+%% ===========================================================================
+
+%% start/1
+
+start(Config) ->
+ Group = proplists:get_value(group, Config),
+ ok = diameter:start_service(?SERVER, ?SERVICE(?L(Group), Group)),
+ ok = diameter:start_service(?CLIENT, ?SERVICE(?CLIENT, callback)),
+ LRef = ?util:listen(?SERVER, tcp),
+ ?util:connect(?CLIENT,
+ tcp,
+ LRef,
+ [{capabilities, [{'Origin-State-Id', origin(Group)}]}]).
+
+%% stop/1
+
+stop(_Config) ->
+ ok = diameter:remove_transport(?CLIENT, true),
+ ok = diameter:remove_transport(?SERVER, true),
+ ok = diameter:stop_service(?SERVER),
+ ok = diameter:stop_service(?CLIENT).
+
+%% send/1
+%%
+%% Send a unknown command and expect a different result depending on
+%% whether or not the server gets a handle_request callback.
+
+%% Server handle_request discards the request.
+send(callback) ->
+ {error, timeout} = call();
+
+%% No handle_request, diameter answers.
+send(answer_3xxx) ->
+ #'diameter_base_answer-message'{'Result-Code' = ?UNSUPPORTED} = call();
+
+send(Config) ->
+ send(proplists:get_value(group, Config)).
+
+%% ===========================================================================
+
+call() ->
+ diameter:call(?CLIENT,
+ ?DICT,
+ #diameter_base_STR
+ {'Termination-Cause' = ?LOGOUT,
+ 'Auth-Application-Id' = ?DIAMETER_APP_ID_COMMON}).
+
+%% ===========================================================================
+%% diameter callbacks
+
+%% peer_up/3
+
+peer_up(_SvcName, _Peer, State) ->
+ State.
+
+%% peer_down/3
+
+peer_down(_SvcName, _Peer, State) ->
+ State.
+
+%% pick_peer/4
+
+pick_peer([Peer], _, ?CLIENT, _State) ->
+ {ok, Peer}.
+
+%% prepare_request/3
+
+prepare_request(#diameter_packet{msg = Req0} = Pkt0, ?CLIENT, {_Ref, Caps}) ->
+ #diameter_caps{origin_host = {OH, _},
+ origin_realm = {OR, DR}}
+ = Caps,
+ Req = Req0#diameter_base_STR{'Session-Id' = diameter:session_id(OH),
+ 'Origin-Host' = OH,
+ 'Origin-Realm' = OR,
+ 'Destination-Realm' = DR},
+ #diameter_packet{bin = <<H:5/binary, 275:24, T/binary>>}
+ = Pkt
+ = diameter_codec:encode(?DICT, Pkt0#diameter_packet{msg = Req}),
+
+ {send, Pkt#diameter_packet{bin = <<H/binary, 572:24, T/binary>>}}.
+
+%% handle_answer/4
+
+handle_answer(Pkt, _Req, ?CLIENT, _Peer) ->
+ Pkt#diameter_packet.msg.
+
+%% handle_error/4
+
+handle_error(Reason, _Req, ?CLIENT, _Peer) ->
+ {error, Reason}.
+
+%% handle_request/3
+
+handle_request(_, ?SERVER, _) ->
+ discard.