diff options
Diffstat (limited to 'lib/diameter/test')
| -rw-r--r-- | lib/diameter/test/diameter_capx_SUITE.erl | 27 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_distribution_SUITE.erl | 372 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_stats_SUITE.erl | 19 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_util.erl | 3 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_watchdog_SUITE.erl | 453 | ||||
| -rw-r--r-- | lib/diameter/test/modules.mk | 1 |
6 files changed, 720 insertions, 155 deletions
diff --git a/lib/diameter/test/diameter_capx_SUITE.erl b/lib/diameter/test/diameter_capx_SUITE.erl index a4e4195a19..9e6619ecdd 100644 --- a/lib/diameter/test/diameter_capx_SUITE.erl +++ b/lib/diameter/test/diameter_capx_SUITE.erl @@ -34,6 +34,7 @@ %% testcases -export([start/1, + vendor_id/1, start_services/1, add_listeners/1, s_no_common_application/1, @@ -69,7 +70,7 @@ -define(HOST(Name), Name ++ "." ++ ?REALM). %% Config for diameter:start_service/2. --define(SERVICE(Name), +-define(SERVICE, [{'Origin-Realm', ?REALM}, {'Host-IP-Address', [?ADDR]}, {'Vendor-Id', 12345}, @@ -103,6 +104,7 @@ suite() -> [{timetrap, {seconds, 60}}]. all() -> [start, + vendor_id, start_services, add_listeners] ++ [{group, D, P} || D <- ?DICTS, P <- [[], [parallel]]] @@ -128,6 +130,7 @@ end_per_group(_, _) -> end_per_testcase(N, _) when N == start; + N == vendor_id; N == start_services; N == add_listeners; N == remove_listeners; @@ -156,9 +159,27 @@ tc() -> start(_Config) -> ok = diameter:start(). +%% Ensure that both integer and list-valued vendor id's can be +%% configured in a 'Vendor-Specific-Application-Id, the arity having +%% changed between RFC 3588 and RFC 6733. +vendor_id(_Config) -> + [] = ?util:run([[fun vid/1, V] || V <- [1, [1], [1,2], x]]). + +vid(V) -> + RC = diameter:start_service(make_ref(), + [{'Vendor-Specific-Application-Id', + [[{'Vendor-Id', V}]]} + | ?SERVICE]), + vid(V, RC). + +vid(x, {error, _}) -> + ok; +vid(_, ok) -> + ok. + start_services(_Config) -> - ok = diameter:start_service(?SERVER, ?SERVICE(?SERVER)), - ok = diameter:start_service(?CLIENT, ?SERVICE(?CLIENT)). + ok = diameter:start_service(?SERVER, ?SERVICE), + ok = diameter:start_service(?CLIENT, ?SERVICE). %% One server that responds only to base accounting, one that responds %% to both this and the common application. Share a common service just diff --git a/lib/diameter/test/diameter_distribution_SUITE.erl b/lib/diameter/test/diameter_distribution_SUITE.erl new file mode 100644 index 0000000000..01d3507b27 --- /dev/null +++ b/lib/diameter/test/diameter_distribution_SUITE.erl @@ -0,0 +1,372 @@ +%% +%% %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 traffic between two Diameter nodes, the client being +%% spread across three Erlang nodes. +%% + +-module(diameter_distribution_SUITE). + +-export([suite/0, + all/0]). + +%% testcases +-export([enslave/1, + ping/1, + start/1, + connect/1, + send_local/1, + send_remote/1, + send_timeout/1, + send_failover/1, + stop/1]). + +%% diameter callbacks +-export([peer_up/3, + peer_down/3, + pick_peer/5, + prepare_request/4, + prepare_retransmit/4, + handle_answer/5, + handle_error/5, + handle_request/3]). + +-export([call/1]). + +-include("diameter.hrl"). +-include("diameter_gen_base_rfc6733.hrl"). + +%% =========================================================================== + +-define(util, diameter_util). + +-define(CLIENT, 'CLIENT'). +-define(SERVER, 'SERVER'). +-define(REALM, "erlang.org"). +-define(DICT, diameter_gen_base_rfc6733). +-define(ADDR, {127,0,0,1}). + +%% Config for diameter:start_service/2. +-define(SERVICE(Host), + [{'Origin-Host', Host ++ [$.|?REALM]}, + {'Origin-Realm', ?REALM}, + {'Host-IP-Address', [?ADDR]}, + {'Vendor-Id', 12345}, + {'Product-Name', "OTP/diameter"}, + {'Auth-Application-Id', [?DICT:id()]}, + {'Origin-State-Id', origin()}, + {share_peers, peers()}, + {use_shared_peers, peers()}, + {restrict_connections, false}, + {sequence, fun sequence/0}, + {application, [{dictionary, ?DICT}, + {module, ?MODULE}, + {request_errors, callback}, + {answer_errors, callback}]}]). + +-define(SUCCESS, 2001). +-define(BUSY, 3004). +-define(LOGOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_LOGOUT'). +-define(MOVED, ?'DIAMETER_BASE_TERMINATION-CAUSE_USER_MOVED'). +-define(TIMEOUT, ?'DIAMETER_BASE_TERMINATION-CAUSE_SESSION_TIMEOUT'). + +-define(L, atom_to_list). +-define(A, list_to_atom). + +%% The order here is significant and causes the server to listen +%% before the clients connect. +-define(NODES, [{server, ?SERVER}, + {client0, ?CLIENT}, + {client1, ?CLIENT}, + {client2, ?CLIENT}]). + +%% Options to ct_slave:start/2. +-define(TIMEOUTS, [{T, 15000} || T <- [boot_timeout, + init_timeout, + start_timeout]]). + +%% =========================================================================== + +suite() -> + [{timetrap, {seconds, 60}}]. + +all() -> + [enslave, + ping, + start, + connect, + send_local, + send_remote, + send_timeout, + send_failover, + stop]. + +%% =========================================================================== +%% start/stop testcases + +%% enslave/1 +%% +%% Start four slave nodes, one to implement a Diameter server, +%% two three to implement a client. + +enslave(Config) -> + Here = filename:dirname(code:which(?MODULE)), + Ebin = filename:join([Here, "..", "ebin"]), + Dirs = [Here, Ebin], + Nodes = [{N,S} || {M,S} <- ?NODES, N <- [slave(M, Dirs)]], + ?util:write_priv(Config, nodes, [{N,S} || {{N,ok},S} <- Nodes]), + [] = [{T,S} || {{_,E} = T, S} <- Nodes, E /= ok]. + +slave(Name, Dirs) -> + add_pathsa(Dirs, ct_slave:start(Name, ?TIMEOUTS)). + +add_pathsa(Dirs, {ok, Node}) -> + {Node, rpc:call(Node, code, add_pathsa, [Dirs])}; +add_pathsa(_, No) -> + {No, error}. + +%% ping/1 +%% +%% Ensure the client nodes are connected since the sharing of +%% transports is only between connected nodes. + +ping({?SERVER, _Nodes}) -> + []; + +ping({?CLIENT, Nodes}) -> + [N || {N,_} <- Nodes, + node() /= N, + pang <- [net_adm:ping(N)]]; + +ping(Config) -> + Nodes = ?util:read_priv(Config, nodes), + [] = [{N,RC} || {N,S} <- Nodes, + RC <- [rpc:call(N, ?MODULE, ping, [{S, Nodes}])], + RC /= []]. + +%% start/1 +%% +%% Start diameter services. + +start(SvcName) + when is_atom(SvcName) -> + ok = diameter:start(), + ok = diameter:start_service(SvcName, ?SERVICE((?L(SvcName)))); + +start(Config) -> + Nodes = ?util:read_priv(Config, nodes), + [] = [{N,RC} || {N,S} <- Nodes, + RC <- [rpc:call(N, ?MODULE, start, [S])], + RC /= ok]. + +sequence() -> + sequence(sname()). + +sequence(server) -> + {0,32}; +sequence(Client) -> + "client" ++ N = ?L(Client), + {list_to_integer(N), 30}. + +origin() -> + origin(sname()). + +origin(server) -> + 99; +origin(Client) -> + "client" ++ N = ?L(Client), + list_to_integer(N). + +peers() -> + peers(sname()). + +peers(server) -> true; +peers(client0) -> [node() | nodes()]; +peers(client1) -> fun erlang:nodes/0; +peers(client2) -> nodes(). + +%% connect/1 +%% +%% Establish one connection to the server from each of the client +%% nodes. + +connect({?SERVER, Config}) -> + ?util:write_priv(Config, lref, {node(), ?util:listen(?SERVER, tcp)}), + ok; + +connect({?CLIENT, Config}) -> + ?util:connect(?CLIENT, tcp, ?util:read_priv(Config, lref)), + ok; + +connect(Config) -> + Nodes = ?util:read_priv(Config, nodes), + [] = [{N,RC} || {N,S} <- Nodes, + RC <- [rpc:call(N, ?MODULE, connect, [{S,Config}])], + RC /= ok]. + +%% stop/1 +%% +%% Stop the slave nodes. + +stop(_Config) -> + [] = [{N,E} || {N,_} <- ?NODES, + {error, _, _} = E <- [ct_slave:stop(N)]]. + +%% =========================================================================== +%% traffic testcases + +%% send_local/1 +%% +%% Send a request from the first client node, using a the local +%% transport. + +send_local(Config) -> + #diameter_base_STA{'Result-Code' = ?SUCCESS} + = send(Config, local, str(?LOGOUT)). + +%% send_remote/1 +%% +%% Send a request from the first client node, using a transport on the +%% another node. + +send_remote(Config) -> + #diameter_base_STA{'Result-Code' = ?SUCCESS} + = send(Config, remote, str(?LOGOUT)). + +%% send_timeout/1 +%% +%% Send a request that the server discards. + +send_timeout(Config) -> + {error, timeout} = send(Config, remote, str(?TIMEOUT)). + +%% send_failover/1 +%% +%% Send a request that causes the server to remote transports down. + +send_failover(Config) -> + #'diameter_base_answer-message'{'Result-Code' = ?BUSY} + = send(Config, remote, str(?MOVED)). + +%% =========================================================================== + +str(Cause) -> + #diameter_base_STR{'Destination-Realm' = ?REALM, + 'Auth-Application-Id' = ?DICT:id(), + 'Termination-Cause' = Cause}. + +%% send/2 + +send(Config, Where, Req) -> + [_, {Node, _} | _] = ?util:read_priv(Config, nodes) , + rpc:call(Node, ?MODULE, call, [{Where, Req}]). + +%% call/1 + +call({Where, Req}) -> + diameter:call(?CLIENT, ?DICT, Req, [{extra, [{Where, sname()}]}]). + +%% sname/0 + +sname() -> + ?A(hd(string:tokens(?L(node()), "@"))). + +%% =========================================================================== +%% 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([LP], [_, _], ?CLIENT, _State, {local, client0}) -> + {ok, LP}; + +pick_peer([_], [RP | _], ?CLIENT, _State, {remote, client0}) -> + {ok, RP}; + +pick_peer([LP], [], ?CLIENT, _State, {remote, client0}) -> + {ok, LP}. + +%% prepare_request/4 + +prepare_request(Pkt, ?CLIENT, {_Ref, Caps}, {_, client0}) -> + #diameter_packet{msg = Req} + = Pkt, + #diameter_caps{origin_host = {OH, _}, + origin_realm = {OR, _}} + = Caps, + {send, Req#diameter_base_STR{'Origin-Host' = OH, + 'Origin-Realm' = OR, + 'Session-Id' = diameter:session_id(OH)}}. + +prepare_retransmit(Pkt, ?CLIENT, _, {_, client0}) -> + #diameter_packet{msg = #diameter_base_STR{'Termination-Cause' = ?MOVED}} + = Pkt, %% assert + {send, Pkt}. + +%% handle_answer/5 + +handle_answer(Pkt, _Req, ?CLIENT, _Peer, {_, client0}) -> + #diameter_packet{msg = Rec, errors = []} = Pkt, + Rec. + +%% handle_error/5 + +handle_error(Reason, _Req, ?CLIENT, _Peer, {_, client0}) -> + {error, Reason}. + +%% handle_request/3 + +handle_request(Pkt, ?SERVER, Peer) -> + server = sname(), %% assert + #diameter_packet{msg = Req} + = Pkt, + request(Req, Peer). + +request(#diameter_base_STR{'Termination-Cause' = ?TIMEOUT}, _) -> + discard; + +request(#diameter_base_STR{'Termination-Cause' = ?MOVED}, Peer) -> + {TPid, #diameter_caps{origin_state_id = {_, [N]}}} = Peer, + fail(N, TPid); + +request(#diameter_base_STR{'Session-Id' = SId}, {_, Caps}) -> + #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}}. + +fail(0, _) -> %% sent from the originating node ... + {protocol_error, ?BUSY}; + +fail(_, TPid) -> %% ... or through a remote node: force failover + exit(TPid, kill), + discard. diff --git a/lib/diameter/test/diameter_stats_SUITE.erl b/lib/diameter/test/diameter_stats_SUITE.erl index af52afb59c..76ff764671 100644 --- a/lib/diameter/test/diameter_stats_SUITE.erl +++ b/lib/diameter/test/diameter_stats_SUITE.erl @@ -33,6 +33,7 @@ -export([reg/1, incr/1, read/1, + sum/1, flush/1]). -define(stat, diameter_stats). @@ -53,6 +54,7 @@ tc() -> [reg, incr, read, + sum, flush]. init_per_suite(Config) -> @@ -98,6 +100,23 @@ read(_) -> [] = ?stat:read([make_ref()]), ?stat:flush([self(), Ref, make_ref()]). +sum(_) -> + Ref = make_ref(), + C1 = {a,b}, + C2 = {b,a}, + true = ?stat:reg(Ref), + 1 = ?stat:incr(C1), + 1 = ?stat:incr(C2), + 2 = ?stat:incr(C2), + 7 = ?stat:incr(C1, Ref, 7), + [{Ref, [{C1,8}, {C2,2}]}] + = ?stat:sum([Ref, make_ref()]), + Self = self(), + [{Self, [{C1,1}, {C2,2}]}] + = ?stat:sum([self()]), + [{Ref, [{C1,7}]}, {Self, [{C1,1}, {C2,2}]}] + = lists:sort(?stat:flush([self(), Ref])). + flush(_) -> Ref = make_ref(), Ctr = '_', diff --git a/lib/diameter/test/diameter_util.erl b/lib/diameter/test/diameter_util.erl index 5af4ad9ba5..a9872f32e1 100644 --- a/lib/diameter/test/diameter_util.erl +++ b/lib/diameter/test/diameter_util.erl @@ -258,6 +258,9 @@ path(Config, Name) -> lport(M, Ref) -> lport(M, Ref, 1). +lport(M, {Node, Ref}, Tries) -> + rpc:call(Node, ?MODULE, lport, [M, Ref, Tries]); + lport(M, Ref, Tries) -> lp(tmod(M), Ref, Tries). diff --git a/lib/diameter/test/diameter_watchdog_SUITE.erl b/lib/diameter/test/diameter_watchdog_SUITE.erl index e1e166b834..704bf110c7 100644 --- a/lib/diameter/test/diameter_watchdog_SUITE.erl +++ b/lib/diameter/test/diameter_watchdog_SUITE.erl @@ -30,10 +30,14 @@ end_per_suite/1]). %% testcases --export([reopen/1, reopen/4, reopen/7]). +-export([reopen/0, reopen/1, reopen/4, reopen/6, + suspect/1, suspect/4, + okay/1, okay/4]). -export([id/1, %% jitter callback - run1/1]). + run1/1, + abuse/1, + abuse/2]). %% diameter_app callbacks -export([peer_up/3, @@ -64,7 +68,7 @@ {'Host-IP-Address', [?ADDR]}, {'Vendor-Id', 42}, {'Product-Name', "OTP/diameter"}, - {'Auth-Application-Id', [?DIAMETER_APP_ID_COMMON]}, + {'Auth-Application-Id', [0 = ?BASE:id()]}, {application, [{alias, Name}, {dictionary, ?BASE}, {module, ?MODULE}]}]). @@ -72,48 +76,51 @@ %% Watchdog timer as a callback. -define(WD(T), {?MODULE, id, [T]}). -%% Watchdog timers used by the testcases. Note that the short timeout -%% with random jitter is excluded since the reopen/1 isn't smart -%% enough to deal with it: see ONE_WD below. --define(WD_TIMERS, [?WD(6000) - | [F_(T_) || T_ <- [10000, 20000, 30000], - F_ <- [fun(T__) -> T__ end, - fun(T__) -> ?WD(T__) end]]]). +%% Watchdog timers used by the testcases. +-define(WD_TIMERS, [10000, ?WD(10000)]). -%% Watchdog timer of the misbehaving peer. +%% Watchdog timer of the misbehaving node. -define(PEER_WD, 10000). -%% Receive a watchdog event within a specified time. --define(EVENT(T, Tmo), - receive #diameter_event{info = T} -> now() - after Tmo -> ?ERROR({timeout, Tmo}) - end). - -%% Receive an event in a given number of watchdogs, plus or minus -%% half. Note that the call to now_diff assumes left to right -%% evaluation order. --define(EVENT(T, N, WdL, WdH), - [?ERROR({received, _Elapsed_, _LowerBound_, N, WdL}) - || _UpperBound_ <- [(N)*(WdH) + (WdH) div 2], - _Elapsed_ <- [now_diff(now(), ?EVENT(T, _UpperBound_))], - _LowerBound_ <- [(N)*(WdL) - (WdL) div 2], - _Elapsed_ =< _LowerBound_*1000]). - --define(EVENT(T, N, Wd), - ?EVENT(T, N, Wd, Wd)). - -%% A timeout that ensures one watchdog. The ensure only one watchdog +%% A timeout that ensures one watchdog. To ensure only one watchdog %% requires (Wd + 2000) + 1000 < 2*(Wd - 2000) ==> 7000 < Wd for the %% case with random jitter. -define(ONE_WD(Wd), jitter(Wd,2000) + 1000). +-define(INFO(T), #diameter_event{info = T}). + +%% Receive an event message from diameter. +-define(EVENT(T), %% apply to not bind T_ + apply(fun() -> + receive ?INFO(T = T_) -> log_event(T_) end + end, + [])). + +%% Receive a watchdog event. +-define(WD_EVENT(Ref), log_wd(element(4, ?EVENT({watchdog, Ref, _, _, _})))). +-define(WD_EVENT(Ref, Ms), + apply(fun() -> + receive ?INFO({watchdog, Ref, _, T_, _}) -> + log_wd(T_) + after Ms -> + false + end + end, + [])). + +%% Log to make failures identifiable. +-define(LOG(T), ?LOG("~p", [T])). +-define(LOG(F,A), ct:pal("~p: " ++ F, [self() | A])). +-define(WARN(F,A), ct:pal(error, "~p: " ++ F, [self() | A])). %% =========================================================================== suite() -> - [{timetrap, {minutes, 10}}].%% enough for 17 watchdogs @ 30 sec plus jitter + [{timetrap, {seconds, 90}}]. all() -> - [reopen]. + [reopen, + suspect, + okay]. init_per_suite(Config) -> ok = diameter:start(), @@ -129,83 +136,46 @@ end_per_suite(_Config) -> %% Test the watchdog state machine for the required failover, failback %% and reopen behaviour by examining watchdog events. +reopen() -> + [{timetrap, {minutes, 5}}]. %% 20 watchdogs @ 15 sec + reopen(_) -> - [] = run([[reopen, T, Wd, N, M] - || Wd <- ?WD_TIMERS, %% watchdog_timer value - T <- [listen, connect], %% watchdog to test + [] = run([[reopen, T, W, N, M] + || T <- [listen, connect], %% watchdog to test + W <- ?WD_TIMERS, %% watchdog_timer value N <- [0,1,2], %% DWR's to answer before ignoring M <- ['DWR', 'DWA', 'RAA']]). %% how to induce failback -reopen(Type, Wd, N, M) -> - Server = start_service(), - Client = start_service(), - - %% The peer to the transport whose watchdog is tested is given a - %% long watchdog timeout so that it doesn't send DWR of its own. - {Node, Peer} = {{[], Wd}, {[{module, ?MODULE}], ?WD(?PEER_WD)}}, - - {{LH,LW},{CH,CW}} = case Type of - listen -> {Node, Peer}; - connect -> {Peer, Node} - end, - - LO = [{transport_module, diameter_tcp}, - {transport_config, LH ++ [{ip, ?ADDR}, {port, 0}]}, - {watchdog_timer, LW}], - - {ok, LRef} = diameter:add_transport(Server, {listen, LO}), - - [LP] = ?util:lport(tcp, LRef, 20), - - CO = [{transport_module, diameter_tcp}, - {transport_config, CH ++ [{ip, ?ADDR}, {port, 0}, - {raddr, ?ADDR}, {rport, LP}]}, - {watchdog_timer, CW}], - - %% Use a temporary process to ensure the connecting transport is - %% added only once events from the listening transport are - %% subscribed to. - Pid = spawn(fun() -> receive _ -> ok end end), +reopen(Test, Wd, N, M) -> + %% Publish a ref ensure the connecting transport is added only + %% once events from the listening transport are subscribed to. + Ref = make_ref(), + [] = run([[reopen, T, Test, Ref, Wd, N, M] || T <- [listen, connect]]). - [] = run([[reopen, Type, T, LRef, Pid, Wd, N, M] - || T <- [{listen, Server}, {connect, Client, CO}]]). +%% reopen/6 -%% start_service/1 +reopen(Type, Test, Ref, Wd, N, M) -> + {SvcName, TRef} = start(Type, Ref, cfg(Type, Test, Wd)), + reopen(Type, Test, SvcName, TRef, Wd, N, M). -start_service() -> - Name = hostname(), - ok = diameter:start_service(Name, [{monitor, self()} | ?SERVICE(Name)]), - Name. +cfg(Type, Type, Wd) -> + {Wd, [], []}; +cfg(_Type, _Test, _Wd) -> + {?WD(?PEER_WD), [{okay, 0}], [{module, ?MODULE}]}. %% reopen/7 -reopen(Type, {listen = T, SvcName}, Ref, Pid, Wd, N, M) -> - diameter:subscribe(SvcName), - Pid ! ok, - recv(Type, T, SvcName, Ref, Wd, N, M); - -reopen(Type, {connect = T, SvcName, Opts}, _, Pid, Wd, N, M) -> - diameter:subscribe(SvcName), - MRef = erlang:monitor(process, Pid), - receive {'DOWN', MRef, process, _, _} -> ok end, - {ok, Ref} = diameter:add_transport(SvcName, {T, Opts}), - recv(Type, T, SvcName, Ref, Wd, N, M). - -%% recv/7 - %% The watchdog to be tested. -recv(Type, Type, _SvcName, Ref, Wd, N, M) -> +reopen(Type, Type, SvcName, Ref, Wd, N, M) -> + ?LOG("node ~p", [[Type, SvcName, Ref, Wd, N, M]]), + %% Connection should come up immediately as a consequence of %% starting the watchdog process. In the accepting case this %% results in a new watchdog on a transport waiting for a new %% connection. - ?EVENT({watchdog, Ref, _, {initial, okay}, _}, 2000), - ?EVENT({up, Ref, _, _, #diameter_packet{}}, 0), - - %% Low/high watchdog timeouts. - WdL = jitter(Wd, -2000), - WdH = jitter(Wd, 2000), + {initial, okay} = ?WD_EVENT(Ref), + ?EVENT({up, Ref, _, _, #diameter_packet{}}), %% OKAY Timer expires & Failover() %% Pending SetWatchdog() SUSPECT @@ -215,8 +185,13 @@ recv(Type, Type, _SvcName, Ref, Wd, N, M) -> %% the first unanswered DWR. Knowing the min/max watchdog timeout %% values gives the time interval in which the event is expected. - ?EVENT({watchdog, Ref, _, {okay, suspect}, _}, N+2, WdL, WdH), - ?EVENT({down, Ref, _, _}, 0), + [0,0,0,0] = wd_counts(SvcName), + + {okay, suspect} = ?WD_EVENT(Ref), + ?EVENT({down, Ref, _, _}), + + %% N received DWA's + [_,_,_,N] = wd_counts(SvcName), %% SUSPECT Receive DWA Pending = FALSE %% Failback() @@ -228,8 +203,13 @@ recv(Type, Type, _SvcName, Ref, Wd, N, M) -> %% The peer sends a message before the expiry of another watchdog %% to induce failback. - ?EVENT({watchdog, Ref, _, {suspect, okay}, _}, WdH + 2000), - ?EVENT({up, Ref, _, _}, 0), + {suspect, okay} = ?WD_EVENT(Ref), + ?EVENT({up, Ref, _, _}), + + %% N+1 sent DWR's, N/N+1 received DWA's + R1 = N+1, + A1 = choose(M == 'DWA', R1, N), + [R1,_,_,A1] = wd_counts(SvcName), %% OKAY Timer expires & SendWatchdog() %% !Pending SetWatchdog() @@ -242,16 +222,19 @@ recv(Type, Type, _SvcName, Ref, Wd, N, M) -> %% back down after either one or two watchdog expiries, depending %% on whether or not DWA restored the connection. - F = choose(M == 'DWA', 2, 1), - ?EVENT({watchdog, Ref, _, {okay, suspect}, _}, F, WdL, WdH), - ?EVENT({down, Ref, _, _}, 0), + {okay, suspect} = ?WD_EVENT(Ref), + ?EVENT({down, Ref, _, _}), %% SUSPECT Timer expires CloseConnection() %% SetWatchdog() DOWN %% %% Non-response brings the connection down after another timeout. - ?EVENT({watchdog, Ref, _, {suspect, down}, _}, 1, WdL, WdH), + {suspect, down} = ?WD_EVENT(Ref), + + R2 = R1 + choose(M == 'DWA', 1, 0), + A2 = A1, + [R2,_,_,A2] = wd_counts(SvcName), %% DOWN Timer expires AttemptOpen() %% SetWatchdog() DOWN @@ -263,7 +246,7 @@ recv(Type, Type, _SvcName, Ref, Wd, N, M) -> %% %% The connection is reestablished after another timeout. - recv_reopen(Type, Ref, WdL, WdH), + recv_reopen(Type, Ref), %% REOPEN Receive non-DWA Throwaway() REOPEN %% @@ -281,18 +264,27 @@ recv(Type, Type, _SvcName, Ref, Wd, N, M) -> %% An exchange of 3 watchdogs (the first directly after %% capabilities exchange) brings the connection back up. - ?EVENT({watchdog, Ref, _, {reopen, okay}, _}, 2, WdL, WdH), - ?EVENT({up, Ref, _, _, #diameter_packet{}}, 0), + {reopen, okay} = ?WD_EVENT(Ref), + ?EVENT({up, Ref, _, _, #diameter_packet{}}), + + %% Three DWR's have been answered. + R3 = R2 + 3, + A3 = A2 + 3, + [R3,_,_,A3] = wd_counts(SvcName), %% Non-response brings it down again. - ?EVENT({watchdog, Ref, _, {okay, suspect}, _}, 2, WdL, WdH), - ?EVENT({down, Ref, _, _}, 0), - ?EVENT({watchdog, Ref, _, {suspect, down}, _}, 1, WdL, WdH), + {okay, suspect} = ?WD_EVENT(Ref), + ?EVENT({down, Ref, _, _}), + {suspect, down} = ?WD_EVENT(Ref), + + R4 = R3 + 1, + A4 = A3, + [R4,_,_,A4] = wd_counts(SvcName), %% Reestablish after another watchdog. - recv_reopen(Type, Ref, WdL, WdH), + recv_reopen(Type, Ref), %% REOPEN Timer expires & NumDWA = -1 %% Pending & SetWatchdog() @@ -305,63 +297,76 @@ recv(Type, Type, _SvcName, Ref, Wd, N, M) -> %% Peer is now ignoring all watchdogs go down again after 2 %% timeouts. - ?EVENT({watchdog, Ref, _, {reopen, down}, _}, 2, WdL, WdH); + {reopen, down} = ?WD_EVENT(Ref); %% The misbehaving peer. -recv(_, Type, SvcName, Ref, Wd, N, M) -> +reopen(Type, _, SvcName, Ref, Wd, N, M) -> + ?LOG("peer ~p", [[Type, SvcName, Ref, Wd, N, M]]), + %% First transport process. - ?EVENT({watchdog, Ref, _, {initial, okay}, _}, 1000), - ?EVENT({up, Ref, _, _, #diameter_packet{}}, 0), - reg(Type, Ref, SvcName, {SvcName, {Wd,N,M}}), - ?EVENT({watchdog, Ref, _, {okay, down}, _}, infinity), + {initial, okay} = ?WD_EVENT(Ref), + ?EVENT({up, Ref, _, _, #diameter_packet{}}), + + reg(Ref, SvcName, {SvcName, {Wd,N,M}}), + + {okay, down} = ?WD_EVENT(Ref), %% Second transport process. - ?EVENT({watchdog, Ref, _, {_, reopen}, _}, infinity), - reg(Type, Ref, SvcName, 3), - ?EVENT({watchdog, Ref, _, {_, down}, _}, infinity), + ?EVENT({watchdog, Ref, _, {_, okay}, _}), + reg(Ref, SvcName, 3), %% answer 3 watchdogs then fall silent + ?EVENT({watchdog, Ref, _, {_, down}, _}), %% Third transport process. - ?EVENT({watchdog, Ref, _, {_, reopen}, _}, infinity), - reg(Type, Ref, SvcName, 0), - ?EVENT({watchdog, Ref, _, {_, down}, _}, infinity), + ?EVENT({watchdog, Ref, _, {_, okay}, _}), + reg(Ref, SvcName, 0), %% disable outgoing DWA + ?EVENT({watchdog, Ref, _, {_, down}, _}), ok. -%% recv_reopen/4 +log_wd({From, To} = T) -> + ?LOG("~p -> ~p", [From, To]), + T. + +log_event(E) -> + T = element(1,E), + T == watchdog orelse ?LOG("~p", [T]), + E. -recv_reopen(connect, Ref, WdL, WdH) -> - ?EVENT({watchdog, Ref, _, {_, reopen}, _}, 1, WdL, WdH), - ?EVENT({reconnect, Ref, _}, 0); +%% recv_reopen/2 -recv_reopen(listen, Ref, _, _) -> - ?EVENT({watchdog, Ref, _, {_, reopen}, _}, 1, ?PEER_WD). +recv_reopen(connect, Ref) -> + {down, reopen} = ?WD_EVENT(Ref), + ?EVENT({reconnect, Ref, _}); -%% reg/4 +recv_reopen(listen, Ref) -> + {_, reopen} = ?WD_EVENT(Ref). + +%% reg/3 %% %% Lookup the pid of the transport process and publish a term for %% send/2 to lookup. -reg(Type, Ref, SvcName, T) -> - TPid = tpid(Type, Ref, diameter:service_info(SvcName, transport)), +reg(TRef, SvcName, T) -> + TPid = tpid(TRef, diameter:service_info(SvcName, transport)), true = diameter_reg:add_new({?MODULE, TPid, T}). -%% tpid/3 - -tpid(connect, Ref, [[{ref, Ref}, - {type, connect}, - {options, _}, - {watchdog, _}, - {peer, _}, - {apps, _}, - {caps, _}, - {port, [{owner, TPid} | _]} - | _]]) -> +%% tpid/2 + +tpid(Ref, [[{ref, Ref}, + {type, connect}, + {options, _}, + {watchdog, _}, + {peer, _}, + {apps, _}, + {caps, _}, + {port, [{owner, TPid} | _]} + | _]]) -> TPid; -tpid(listen, Ref, [[{ref, Ref}, - {type, listen}, - {options, _}, - {accept, As} - | _]]) -> +tpid(Ref, [[{ref, Ref}, + {type, listen}, + {options, _}, + {accept, As} + | _]]) -> [[{watchdog, _}, {peer, _}, {apps, _}, @@ -375,6 +380,154 @@ tpid(listen, Ref, [[{ref, Ref}, TPid. %% =========================================================================== +%% # suspect/1 +%% =========================================================================== + +%% Configure transports to require a set number of watchdog timeouts +%% before moving from OKAY to SUSPECT. + +suspect(_) -> + [] = run([[abuse, [suspect, N]] || N <- [0,1,3]]). + +suspect(Type, Fake, Ref, N) + when is_reference(Ref) -> + {SvcName, TRef} + = start(Type, Ref, {?WD(10000), [{suspect, N}], mod(Fake)}), + {initial, okay} = ?WD_EVENT(TRef), + suspect(TRef, Fake, SvcName, N); + +suspect(TRef, true, SvcName, _) -> + reg(TRef, SvcName, 0), %% disable outgoing DWA + {okay, _} = ?WD_EVENT(TRef); + +suspect(TRef, false, SvcName, 0) -> %% SUSPECT disabled + %% Wait 2+ watchdogs and see that only one watchdog has been sent. + false = ?WD_EVENT(TRef, 28000), + [1,0,0,0] = wd_counts(SvcName); + +suspect(TRef, false, SvcName, N) -> + %% Check that no watchdog transition takes place within N+ + %% watchdogs ... + false = ?WD_EVENT(TRef, N*10000+8000), + [1,0,0,0] = wd_counts(SvcName), + %% ... but that the connection then becomes suspect ... + {okay, suspect} = ?WD_EVENT(TRef, 10000), + [1,0,0,0] = wd_counts(SvcName), + %% ... and goes down. + {suspect, down} = ?WD_EVENT(TRef, 18000), + [1,0,0,0] = wd_counts(SvcName). + +%% abuse/1 + +abuse(F) -> + [] = run([[abuse, F, T] || T <- [listen, connect]]). + +abuse(F, [_,_,_|_] = Args) -> + ?LOG("~p", [Args]), + apply(?MODULE, F, Args); + +abuse([F|A], Test) -> + Ref = make_ref(), + [] = run([[abuse, F, [T, T == Test, Ref] ++ A] + || T <- [listen, connect]]); + +abuse(F, Test) -> + abuse([F], Test). + +mod(true) -> + [{module, ?MODULE}]; +mod(false) -> + []. + +%% =========================================================================== +%% # okay/1 +%% =========================================================================== + +%% Configure the number of watchdog exchanges before moving from +%% REOPEN to OKAY. + +okay(_) -> + [] = run([[abuse, [okay, N]] || N <- [0,2,3]]). + +okay(Type, Fake, Ref, N) + when is_reference(Ref) -> + {SvcName, TRef} + = start(Type, Ref, {?WD(10000), + [{okay, choose(Fake, 0, N)}], + mod(Fake)}), + {initial, okay} = ?WD_EVENT(TRef), + okay(TRef, + Fake, + SvcName, + choose(Type == listen, initial, down), + N). + +okay(TRef, true, SvcName, Down, _) -> + reg(TRef, SvcName, 0), %% disable outgoing DWA + {okay, down} = ?WD_EVENT(TRef), + {Down, okay} = ?WD_EVENT(TRef), + reg(TRef, SvcName, -1), %% enable outgoing DWA + {okay, down} = ?WD_EVENT(TRef); + +okay(TRef, false, SvcName, Down, N) -> + {okay, suspect} = ?WD_EVENT(TRef), + [1,0,0,0] = wd_counts(SvcName), + {suspect, down} = ?WD_EVENT(TRef), + ok(TRef, SvcName, Down, N). + +ok(TRef, SvcName, Down, 0) -> + %% Connection comes up without watchdog exchange. + {Down, okay} = ?WD_EVENT(TRef), + [1,0,0,0] = wd_counts(SvcName), + %% Wait 2+ watchdog timeouts to see that the connection stays up + %% and two watchdogs are exchanged. + false = ?WD_EVENT(TRef, 28000), + [3,0,0,2] = wd_counts(SvcName); + +ok(TRef, SvcName, Down, N) -> + %% Connection required watchdog exchange before reaching OKAY. + {Down, reopen} = ?WD_EVENT(TRef), + {reopen, okay} = ?WD_EVENT(TRef), + %% One DWR was sent in moving to expect, plus N more to reopen the + %% connection. + N1 = N+1, + [N1,0,0,N] = wd_counts(SvcName). + +%% =========================================================================== + +%% wd_counts/1 + +wd_counts(SvcName) -> + [Info] = diameter:service_info(SvcName, transport), + {_, Counters} = lists:keyfind(statistics, 1, Info), + [proplists:get_value({{0,280,R}, D}, Counters, 0) || D <- [send,recv], + R <- [1,0]]. + +%% start/3 + +start(Type, Ref, T) -> + Name = hostname(), + true = diameter:subscribe(Name), + ok = diameter:start_service(Name, [{monitor, self()} | ?SERVICE(Name)]), + {ok, TRef} = diameter:add_transport(Name, {Type, opts(Type, Ref, T)}), + true = diameter_reg:add_new({Type, Ref, Name}), + {Name, TRef}. + +opts(Type, Ref, {Timer, Config, Mod}) -> + [{transport_module, diameter_tcp}, + {transport_config, Mod ++ [{ip, ?ADDR}, {port, 0}] ++ cfg(Type, Ref)}, + {watchdog_timer, Timer}, + {watchdog_config, Config}]. + +cfg(listen, _) -> + []; +cfg(connect, Ref) -> + [{{_, _, SvcName}, _Pid}] = diameter_reg:wait({listen, Ref, '_'}), + [[{ref, LRef} | _]] = diameter:service_info(SvcName, transport), + [LP] = ?util:lport(tcp, LRef, 20), + [{raddr, ?ADDR}, {rport, LP}]. + +%% =========================================================================== listen(PortNr, Opts) -> gen_tcp:listen(PortNr, Opts). @@ -396,6 +549,7 @@ send(Sock, Bin) -> %% First outgoing message from a new transport process is CER/CEA. %% Remaining outgoing messages are either DWR or DWA. send(undefined, Sock, Bin) -> + <<_:32, _:8, 257:24, _/binary>> = Bin, putr(config, init), gen_tcp:send(Sock, Bin); @@ -505,15 +659,10 @@ run1([F|A]) -> catch E:R -> S = erlang:get_stacktrace(), - io:format("~p~n", [{A, E, R, S}]), + ?WARN("~p", [{A, E, R, S}]), S end. -%% now_diff/2 - -now_diff(T1, T2) -> - timer:now_diff(T2, T1). - %% jitter/2 jitter(?WD(T), _) -> diff --git a/lib/diameter/test/modules.mk b/lib/diameter/test/modules.mk index c4a713fb10..beff588a02 100644 --- a/lib/diameter/test/modules.mk +++ b/lib/diameter/test/modules.mk @@ -31,6 +31,7 @@ MODULES = \ diameter_codec_test \ diameter_compiler_SUITE \ diameter_dict_SUITE \ + diameter_distribution_SUITE \ diameter_dpr_SUITE \ diameter_event_SUITE \ diameter_failover_SUITE \ |