diff options
Diffstat (limited to 'lib/diameter/test/diameter_transport_SUITE.erl')
| -rw-r--r-- | lib/diameter/test/diameter_transport_SUITE.erl | 122 |
1 files changed, 95 insertions, 27 deletions
diff --git a/lib/diameter/test/diameter_transport_SUITE.erl b/lib/diameter/test/diameter_transport_SUITE.erl index 893b7ba2f9..97f4cec11f 100644 --- a/lib/diameter/test/diameter_transport_SUITE.erl +++ b/lib/diameter/test/diameter_transport_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2011. 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 @@ -36,6 +36,7 @@ tcp_connect/1, sctp_accept/1, sctp_connect/1, + reconnect/1, reconnect/0, stop/1]). -export([accept/1, @@ -54,9 +55,6 @@ -define(RECV(Pat, Ret), receive Pat -> Ret end). -define(RECV(Pat), ?RECV(Pat, now())). -%% Or not. --define(WAIT(Ms), receive after Ms -> now() end). - %% Sockets are opened on the loopback address. -define(ADDR, {127,0,0,1}). @@ -102,7 +100,8 @@ tc() -> [tcp_accept, tcp_connect, sctp_accept, - sctp_connect]. + sctp_connect, + reconnect]. init_per_suite(Config) -> [{sctp, have_sctp()} | Config]. @@ -165,6 +164,90 @@ connect(Prot) -> [] = ?util:run([{?MODULE, [init, X, T]} || X <- [gen_accept, connect]]). %% =========================================================================== +%% reconnect/1 +%% +%% Exercise reconnection behaviour: that a connecting transport +%% doesn't try to establish a new connection until the old one is +%% broken. + +reconnect() -> + [{timetrap, {minutes, 4}}]. + +reconnect({listen, Ref}) -> + SvcName = make_ref(), + ok = start_service(SvcName), + LRef = ?util:listen(SvcName, tcp, [{watchdog_timer, 6000}]), + [_] = diameter_reg:wait({diameter_tcp, listener, {LRef, '_'}}), + true = diameter_reg:add_new({?MODULE, Ref, LRef}), + + %% Wait for partner to request transport death: kill to force the + %% peer to reconnect. + TPid = abort(SvcName, LRef, Ref), + + exit(TPid, kill), + + abort(SvcName, LRef, Ref); + +reconnect({connect, Ref}) -> + SvcName = make_ref(), + true = diameter:subscribe(SvcName), + ok = start_service(SvcName), + [{{_, _, LRef}, Pid}] = diameter_reg:wait({?MODULE, Ref, '_'}), + CRef = ?util:connect(SvcName, tcp, LRef, [{reconnect_timer, 2000}, + {watchdog_timer, 6000}]), + + %% Tell partner to kill transport after seeing that there are no + %% reconnection attempts. + abort(SvcName, Pid, Ref), + + %% Transport does down and is reestablished. + ?RECV(#diameter_event{service = SvcName, info = {down, CRef, _, _}}), + ?RECV(#diameter_event{service = SvcName, info = {reconnect, CRef, _}}), + ?RECV(#diameter_event{service = SvcName, info = {up, CRef, _, _, _}}), + + %% Kill again. + abort(SvcName, Pid, Ref), + + %% Wait for partner to die. + MRef = erlang:monitor(process, Pid), + ?RECV({'DOWN', MRef, process, _, _}); + +reconnect(_) -> + Ref = make_ref(), + [] = ?util:run([{?MODULE, [reconnect, {T, Ref}]} + || T <- [listen, connect]]). + +start_service(SvcName) -> + OH = io_lib:format("~p-~p-~p", tuple_to_list(now())), + Opts = [{application, [{dictionary, diameter_gen_base_rfc6733}, + {module, diameter_callback}]}, + {'Origin-Host', OH}, + {'Origin-Realm', OH ++ ".org"}, + {'Vendor-Id', 0}, + {'Product-Name', "x"}, + {'Auth-Application-Id', [0]}], + diameter:start_service(SvcName, Opts). + +abort(SvcName, Pid, Ref) + when is_pid(Pid) -> + receive + #diameter_event{service = SvcName, info = {reconnect, _, _}} = E -> + erlang:error(E) + after 45000 -> + ok + end, + Pid ! {abort, Ref}; + +abort(SvcName, LRef, Ref) + when is_reference(LRef) -> + ?RECV({abort, Ref}), + [[{ref, LRef}, {type, listen}, {options, _}, {accept, [_,_] = Ts} | _]] + %% assert on two accepting + = diameter:service_info(SvcName, transport), + [TPid] = [P || [{watchdog, {_,_,okay}}, {peer, {P,_}} | _] <- Ts], + TPid. + +%% =========================================================================== %% =========================================================================== %% have_sctp/0 @@ -209,7 +292,7 @@ init(accept, {Prot, Ref}) -> init(gen_connect, {Prot, Ref}) -> %% Lookup the peer's listening socket. - [PortNr] = ?util:lport(Prot, Ref, 20), + [PortNr] = ?util:lport(Prot, Ref), %% Connect, send a message and receive it back. {ok, Sock} = gen_connect(Prot, PortNr), @@ -230,7 +313,8 @@ init(gen_accept, {Prot, Ref}) -> init(connect, {Prot, Ref}) -> %% Lookup the peer's listening socket. - [{?TEST_LISTENER(_, PortNr), _}] = match(?TEST_LISTENER(Ref, '_')), + [{?TEST_LISTENER(_, PortNr), _}] + = diameter_reg:wait(?TEST_LISTENER(Ref, '_')), %% Start a connecting transport and receive notification of %% the connection. @@ -246,18 +330,6 @@ init(connect, {Prot, Ref}) -> MRef = erlang:monitor(process, TPid), ?RECV({'DOWN', MRef, process, _, _}). -match(Pat) -> - match(Pat, 20). - -match(Pat, T) -> - L = diameter_reg:match(Pat), - if [] /= L orelse 1 == T -> - L; - true -> - ?WAIT(50), - match(Pat, T-1) - end. - bin(sctp, #diameter_packet{bin = Bin}) -> Bin; bin(tcp, Bin) -> @@ -310,22 +382,18 @@ start_connect(tcp, T, Svc, Opts) -> %% start_accept/2 %% %% Start transports sequentially by having each wait for a message -%% from a job in a queue before commencing. Only one transport with -%% a pending accept is started at a time since diameter_sctp currently -%% assumes (and diameter currently implements) this. +%% from a job in a queue before commencing. Only one transport with a +%% pending accept is started at a time since diameter_{tcp,sctp} +%% currently assume (and diameter currently implements) this. start_accept(Prot, Ref) -> Pid = sync(accept, Ref), - - %% Configure the same port number for transports on the same - %% reference. - [PortNr | _] = ?util:lport(Prot, Ref) ++ [0], {Mod, Opts} = tmod(Prot), try {ok, TPid, [?ADDR]} = Mod:start({accept, Ref}, ?SVC([?ADDR]), - [{port, PortNr} | Opts]), + [{port, 0} | Opts]), ?RECV(?TMSG({TPid, connected})), TPid after |