diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/diameter/test/diameter_failover_SUITE.erl | 262 | ||||
| -rw-r--r-- | lib/diameter/test/modules.mk | 3 |
2 files changed, 264 insertions, 1 deletions
diff --git a/lib/diameter/test/diameter_failover_SUITE.erl b/lib/diameter/test/diameter_failover_SUITE.erl new file mode 100644 index 0000000000..c25e9682f0 --- /dev/null +++ b/lib/diameter/test/diameter_failover_SUITE.erl @@ -0,0 +1,262 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2010-2011. 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 traffic between six Diameter nodes in three realms, +%% connected as follows. +%% +%% ----- SERVER1.REALM2 +%% / +%% / ----- SERVER2.REALM2 +%% | / +%% CLIENT.REALM1 ------ SERVER3.REALM2 +%% | \ +%% | \ +%% \ ---- SERVER1.REALM3 +%% \ +%% ----- SERVER2.REALM3 +%% + +-module(diameter_failover_SUITE). + +-export([suite/0, + all/0]). + +%% testcases +-export([start/1, + start_services/1, + connect/1, + send_ok/1, + send_nok/1, + stop_services/1, + stop/1]). + +%% diameter callbacks +-export([peer_up/3, + peer_down/3, + pick_peer/4, + prepare_request/3, + prepare_retransmit/3, + handle_answer/4, + handle_error/4, + handle_request/3]). + +-ifdef(DIAMETER_CT). +-include("diameter_gen_base_rfc3588.hrl"). +-else. +-include_lib("diameter/include/diameter_gen_base_rfc3588.hrl"). +-endif. + +-include_lib("diameter/include/diameter.hrl"). +-include("diameter_ct.hrl"). + +%% =========================================================================== + +-define(util, diameter_util). + +-define(ADDR, {127,0,0,1}). + +-define(CLIENT, "CLIENT.REALM1"). +-define(SERVER1, "SERVER1.REALM2"). +-define(SERVER2, "SERVER2.REALM2"). +-define(SERVER3, "SERVER3.REALM2"). +-define(SERVER4, "SERVER1.REALM3"). +-define(SERVER5, "SERVER2.REALM3"). + +-define(SERVICES, [?CLIENT, ?SERVER1, ?SERVER2, ?SERVER3, ?SERVER4, ?SERVER5]). + +-define(DICT_COMMON, ?DIAMETER_DICT_COMMON). + +-define(APP_ALIAS, the_app). +-define(APP_ID, ?DICT_COMMON:id()). + +%% Config for diameter:start_service/2. +-define(SERVICE(Host, Dict), + [{'Origin-Host', Host}, + {'Origin-Realm', realm(Host)}, + {'Host-IP-Address', [?ADDR]}, + {'Vendor-Id', 12345}, + {'Product-Name', "OTP/diameter"}, + {'Acct-Application-Id', [Dict:id()]}, + {application, [{alias, ?APP_ALIAS}, + {dictionary, Dict}, + {module, ?MODULE}, + {answer_errors, callback}]}]). + +-define(SUCCESS, 2001). + +-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_DIAMETER_LOGOUT'). + +%% =========================================================================== + +suite() -> + [{timetrap, {seconds, 10}}]. + +all() -> + [start, + start_services, + connect, + send_ok, + send_nok, + stop_services, + stop]. + +%% =========================================================================== +%% start/stop testcases + +start(_Config) -> + ok = diameter:start(). + +start_services(_Config) -> + S = [server(N, ?DICT_COMMON) || N <- tl(?SERVICES)], + + ok = diameter:start_service(?CLIENT, ?SERVICE(?CLIENT, ?DICT_COMMON)), + + {save_config, [{?CLIENT, S}]}. + +connect(Config) -> + {_, Conns} = proplists:get_value(saved_config, Config), + + lists:foreach(fun({CN,Ss}) -> connect(CN, Ss) end, Conns). + +stop_services(_Config) -> + [] = [{H,T} || H <- ?SERVICES, + T <- [diameter:stop_service(H)], + T /= ok]. + +stop(_Config) -> + ok = diameter:stop(). + +%% ---------------------------------------- + +server(Name, Dict) -> + ok = diameter:start_service(Name, ?SERVICE(Name, Dict)), + {Name, ?util:listen(Name, tcp)}. + +connect(Name, Refs) -> + [{{Name, ?util:connect(Name, tcp, LRef)}, T} || {_, LRef} = T <- Refs]. + +%% =========================================================================== +%% traffic testcases + +%% Send an STR and expect success after SERVER3 answers after a couple +%% of failovers. +send_ok(_Config) -> + Req = ['STR', {'Destination-Realm', realm(?SERVER1)}, + {'Termination-Cause', ?LOGOUT}, + {'Auth-Application-Id', ?APP_ID}], + #diameter_base_STA{'Result-Code' = ?SUCCESS, + 'Origin-Host' = ?SERVER3} + = call(Req, [{filter, realm}]). + +%% Send an STR and expect failure when both servers fail. +send_nok(_Config) -> + Req = ['STR', {'Destination-Realm', realm(?SERVER4)}, + {'Termination-Cause', ?LOGOUT}, + {'Auth-Application-Id', ?APP_ID}], + {error, failover} = call(Req, [{filter, realm}]). + +%% =========================================================================== + +realm(Host) -> + tl(lists:dropwhile(fun(C) -> C /= $. end, Host)). + +call(Req, Opts) -> + diameter:call(?CLIENT, ?APP_ALIAS, Req, Opts). + +set([H|T], Vs) -> + [H | Vs ++ T]. + +%% =========================================================================== +%% diameter callbacks + +%% peer_up/3 + +peer_up(_SvcName, _Peer, State) -> + State. + +%% peer_down/3 + +peer_down(_SvcName, _Peer, State) -> + State. + +%% pick_peer/4 + +%% Choose a server other than SERVER3 or SERVER5 if possible. +pick_peer(Peers, _, ?CLIENT, _State) -> + case lists:partition(fun({_, #diameter_caps{origin_host = {_, OH}}}) -> + OH /= ?SERVER3 andalso OH /= ?SERVER5 + end, + Peers) + of + {[], [Peer]} -> + {ok, Peer}; + {[Peer | _], _} -> + {ok, Peer} + end. + +%% prepare_request/3 + +prepare_request(Pkt, ?CLIENT, {_Ref, Caps}) -> + {send, prepare(Pkt, Caps)}. + +prepare(#diameter_packet{msg = Req}, Caps) -> + #diameter_caps{origin_host = {OH, _}, + origin_realm = {OR, _}} + = Caps, + set(Req, [{'Session-Id', diameter:session_id(OH)}, + {'Origin-Host', OH}, + {'Origin-Realm', OR}]). + +%% prepare_retransmit/3 + +prepare_retransmit(Pkt, ?CLIENT, _Peer) -> + {send, Pkt}. + +%% handle_answer/4 + +handle_answer(Pkt, _Req, ?CLIENT, _Peer) -> + #diameter_packet{msg = Rec, errors = []} = Pkt, + Rec. + +%% handle_error/4 + +handle_error(Reason, _Req, ?CLIENT, _Peer) -> + {error, Reason}. + +%% handle_request/3 + +%% Only SERVER3 actually answers. +handle_request(Pkt, ?SERVER3, {_, Caps}) -> + #diameter_packet{msg = #diameter_base_STR{'Session-Id' = SId, + 'Origin-Host' = ?CLIENT}} + = Pkt, + #diameter_caps{origin_host = {OH, _}, + origin_realm = {OR, _}} + = Caps, + + {reply, #diameter_base_STA{'Result-Code' = ?SUCCESS, + 'Session-Id' = SId, + 'Origin-Host' = OH, + 'Origin-Realm' = OR}}; + +%% Others kill the transport to force failover. +handle_request(_, _, {TPid, _}) -> + exit(TPid, kill), + discard. diff --git a/lib/diameter/test/modules.mk b/lib/diameter/test/modules.mk index 7c691c302b..531aca2799 100644 --- a/lib/diameter/test/modules.mk +++ b/lib/diameter/test/modules.mk @@ -35,7 +35,8 @@ MODULES = \ diameter_transport_SUITE \ diameter_traffic_SUITE \ diameter_relay_SUITE \ - diameter_tls_SUITE + diameter_tls_SUITE \ + diameter_failover_SUITE INTERNAL_HRL_FILES = \ diameter_ct.hrl |