From dfa2a3ce25862720d48c5ff8b71fdf31989ea1dc Mon Sep 17 00:00:00 2001 From: Anders Svensson Date: Sun, 25 Jan 2015 23:43:56 +0100 Subject: Add pool suite to test transport_opt() pool_size With testcases that uses restrict_connections and pool_size config to establish multiple connections between two Diameter nodes, checking for the expected number of transport processes using diameter:service_info/2. --- lib/diameter/test/diameter_pool_SUITE.erl | 133 +++++++++++++++++++++++++ lib/diameter/test/diameter_transport_SUITE.erl | 34 ++----- lib/diameter/test/diameter_util.erl | 49 ++++++--- lib/diameter/test/modules.mk | 4 +- 4 files changed, 178 insertions(+), 42 deletions(-) create mode 100644 lib/diameter/test/diameter_pool_SUITE.erl (limited to 'lib/diameter/test') diff --git a/lib/diameter/test/diameter_pool_SUITE.erl b/lib/diameter/test/diameter_pool_SUITE.erl new file mode 100644 index 0000000000..a59cd66a2e --- /dev/null +++ b/lib/diameter/test/diameter_pool_SUITE.erl @@ -0,0 +1,133 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2015. 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% +%% + +%% +%% Test of the pool_size option in connecting nodes with multiple +%% connections. +%% + +-module(diameter_pool_SUITE). + +-export([suite/0, + all/0, + init_per_testcase/2, + end_per_testcase/2, + init_per_suite/1, + end_per_suite/1]). + +%% testcases +-export([tcp_connect/1, + sctp_connect/1, + any_connect/1]). + +%% =========================================================================== + +-define(util, diameter_util). + +%% Config for diameter:start_service/2. +-define(SERVICE(Host), + [{'Origin-Host', Host ++ ".ericsson.com"}, + {'Origin-Realm', "ericsson.com"}, + {'Host-IP-Address', [{127,0,0,1}]}, + {'Vendor-Id', 12345}, + {'Product-Name', "OTP/diameter"}, + {'Auth-Application-Id', [0]}, %% common + {'Acct-Application-Id', [3]}, %% accounting + {restrict_connections, false}, + {application, [{alias, common}, + {dictionary, diameter_gen_base_rfc6733}, + {module, diameter_callback}]}, + {application, [{alias, accounting}, + {dictionary, diameter_gen_acct_rfc6733}, + {module, diameter_callback}]}]). + +%% =========================================================================== + +suite() -> + [{timetrap, {seconds, 30}}]. + +all() -> + [tcp_connect, + sctp_connect, + any_connect]. + +init_per_testcase(_Name, Config) -> + Config. + +end_per_testcase(_Name, _Config) -> + diameter:stop(). + +init_per_suite(Config) -> + [{sctp, ?util:have_sctp()} | Config]. + +end_per_suite(_Config) -> + ok. + +%% =========================================================================== + +tcp_connect(_Config) -> + connect(tcp, tcp). + +sctp_connect(Config) -> + case lists:member({sctp, true}, Config) of + true -> connect(sctp, sctp); + false -> {skip, no_sctp} + end. + +any_connect(_Config) -> + connect(any, tcp). + +%% connect/2 + +%% Establish multiple connections between a client and server. +connect(ClientProt, ServerProt) -> + ok = diameter:start(), + [] = [{S,T} || S <- ["server", "client"], + T <- [diameter:start_service(S, ?SERVICE(S))], + T /= ok], + %% Listen with a single transport with pool_size = 4. Ensure the + %% expected number of transport processes are started. + LRef = ?util:listen("server", ServerProt, [{pool_size, 4}]), + {4,0} = count("server", LRef, accept), %% 4 transports, no connections + %% Establish 5 connections. + Ref = ?util:connect("client", ClientProt, LRef, [{pool_size, 5}]), + {5,5} = count("client", Ref, pool), %% 5 connections + %% Ensure the server has started replacement transports within a + %% reasonable time. Sleepsince there's no guarantee the + %% replacements have been started before the client has received + %% 'up' events. (Although it's likely.) + sleep(), + {9,5} = count("server", LRef, accept), %% 5 connections + 4 accepting + %% Ensure ther are still the expected number of accepting transports + %% after stopping the client service. + ok = diameter:stop_service("client"), + sleep(), + {4,0} = count("server", LRef, accept), %% 4 transports, no connections + %% Done. + ok = diameter:stop_service("server"). + +count(Name, Ref, Key) -> + [{transport, [[{ref, Ref} | T]]}, + {connections, Cs}] + = diameter:service_info(Name, [transport, connections]), + {Key, Ps} = lists:keyfind(Key, 1, T), + {length(Ps), length(Cs)}. %% number of processes, connections + +sleep() -> + receive after 1000 -> ok end. diff --git a/lib/diameter/test/diameter_transport_SUITE.erl b/lib/diameter/test/diameter_transport_SUITE.erl index fcffa69c24..23b972a9a0 100644 --- a/lib/diameter/test/diameter_transport_SUITE.erl +++ b/lib/diameter/test/diameter_transport_SUITE.erl @@ -104,7 +104,7 @@ tc() -> reconnect]. init_per_suite(Config) -> - [{sctp, have_sctp()} | Config]. + [{sctp, ?util:have_sctp()} | Config]. end_per_suite(_Config) -> ok. @@ -127,7 +127,10 @@ tcp_accept(_) -> accept(tcp). sctp_accept(Config) -> - if_sctp(fun accept/1, Config). + case lists:member({sctp, true}, Config) of + true -> accept(sctp); + false -> {skip, no_sctp} + end. %% Start multiple accepting transport processes that are connected to %% with an equal number of connecting processes using gen_tcp/sctp @@ -157,7 +160,10 @@ tcp_connect(_) -> connect(tcp). sctp_connect(Config) -> - if_sctp(fun connect/1, Config). + case lists:member({sctp, true}, Config) of + true -> connect(sctp); + false -> {skip, no_sctp} + end. connect(Prot) -> T = {Prot, make_ref()}, @@ -251,28 +257,6 @@ abort(SvcName, LRef, Ref) %% =========================================================================== %% =========================================================================== -%% have_sctp/0 - -have_sctp() -> - case gen_sctp:open() of - {ok, Sock} -> - gen_sctp:close(Sock), - true; - {error, E} when E == eprotonosupport; - E == esocktnosupport -> %% fail on any other reason - false - end. - -%% if_sctp/2 - -if_sctp(F, Config) -> - case proplists:get_value(sctp, Config) of - true -> - F(sctp); - false -> - {skip, no_sctp} - end. - %% init/2 init(accept, {Prot, Ref}) -> diff --git a/lib/diameter/test/diameter_util.erl b/lib/diameter/test/diameter_util.erl index 92c72c84e7..e95cbfceb5 100644 --- a/lib/diameter/test/diameter_util.erl +++ b/lib/diameter/test/diameter_util.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 @@ -29,7 +29,8 @@ run/1, fold/3, foldl/3, - scramble/1]). + scramble/1, + have_sctp/0]). %% diameter-specific -export([lport/2, @@ -183,6 +184,19 @@ s(Acc, L) -> {H, [T|Rest]} = lists:split(random:uniform(length(L)) - 1, L), s([T|Acc], H ++ Rest). +%% --------------------------------------------------------------------------- +%% have_sctp/0 + +have_sctp() -> + case gen_sctp:open() of + {ok, Sock} -> + gen_sctp:close(Sock), + true; + {error, E} when E == eprotonosupport; + E == esocktnosupport -> %% fail on any other reason + false + end. + %% --------------------------------------------------------------------------- %% eval/1 %% @@ -254,13 +268,12 @@ path(Config, Name) -> %% %% Lookup the port number of a tcp/sctp listening transport. -lport(M, {Node, Ref}) -> - rpc:call(Node, ?MODULE, lport, [M, Ref]); +lport(Prot, {Node, Ref}) -> + rpc:call(Node, ?MODULE, lport, [Prot, Ref]); lport(Prot, Ref) -> - Mod = tmod(Prot), [_] = diameter_reg:wait({'_', listener, {Ref, '_'}}), - [N || {listen, N, _} <- Mod:ports(Ref)]. + [N || M <- tmod(Prot), {listen, N, _} <- M:ports(Ref)]. %% --------------------------------------------------------------------------- %% listen/2-3 @@ -292,13 +305,17 @@ connect(Client, Prot, LRef, Opts) -> Ref = add_transport(Client, {connect, opts(Prot, PortNr) ++ Opts}), true = transport(Client, Ref), %% assert - ok = receive - {diameter_event, Client, {up, Ref, _, _, _}} -> ok - after 10000 -> - {Client, Prot, PortNr, process_info(self(), messages)} - end, + diameter_lib:for_n(fun(_) -> ok = up(Client, Ref, Prot, PortNr) end, + proplists:get_value(pool_size, Opts, 1)), Ref. +up(Client, Ref, Prot, PortNr) -> + receive + {diameter_event, Client, {up, Ref, _, _, _}} -> ok + after 10000 -> + {Client, Prot, PortNr, process_info(self(), messages)} + end. + transport(SvcName, Ref) -> [Ref] == [R || [{ref, R} | _] <- diameter:service_info(SvcName, transport), R == Ref]. @@ -327,13 +344,15 @@ add_transport(SvcName, T) -> Ref. tmod(tcp) -> - diameter_tcp; + [diameter_tcp]; tmod(sctp) -> - diameter_sctp. + [diameter_sctp]; +tmod(any) -> + [diameter_sctp, diameter_tcp]. opts(Prot, T) -> - [{transport_module, tmod(Prot)}, - {transport_config, [{ip, ?ADDR}, {port, 0} | opts(T)]}]. + [{transport_module, M} || M <- tmod(Prot)] + ++ [{transport_config, [{ip, ?ADDR}, {port, 0} | opts(T)]}]. opts(listen) -> [{accept, M} || M <- [{256,0,0,1}, ["256.0.0.1", ["^.+$"]]]]; diff --git a/lib/diameter/test/modules.mk b/lib/diameter/test/modules.mk index 4fea62461c..6da96bd676 100644 --- a/lib/diameter/test/modules.mk +++ b/lib/diameter/test/modules.mk @@ -1,8 +1,7 @@ -#-*-makefile-*- ; force emacs to enter makefile-mode # %CopyrightBegin% # -# Copyright Ericsson AB 2010-2013. All Rights Reserved. +# Copyright Ericsson AB 2010-2015. 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 @@ -40,6 +39,7 @@ MODULES = \ diameter_gen_sctp_SUITE \ diameter_gen_tcp_SUITE \ diameter_length_SUITE \ + diameter_pool_SUITE \ diameter_reg_SUITE \ diameter_relay_SUITE \ diameter_stats_SUITE \ -- cgit v1.2.3 From 14f17215949846a889bf9448e1040401e3655381 Mon Sep 17 00:00:00 2001 From: Anders Svensson Date: Sun, 25 Jan 2015 10:36:01 +0100 Subject: Don't orphan slave nodes in example suite Stops were aborted at the first failure. --- lib/diameter/test/diameter_examples_SUITE.erl | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'lib/diameter/test') diff --git a/lib/diameter/test/diameter_examples_SUITE.erl b/lib/diameter/test/diameter_examples_SUITE.erl index aef4bc35ef..dc0b466b59 100644 --- a/lib/diameter/test/diameter_examples_SUITE.erl +++ b/lib/diameter/test/diameter_examples_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013-2014. All Rights Reserved. +%% Copyright Ericsson AB 2013-2015. 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 @@ -397,4 +397,4 @@ stop(Name) stop(Config) -> Prot = proplists:get_value(group, Config), - [] = [RC || N <- ?NODES, RC <- [stop(concat(Prot, N))], RC /= ok]. + [] = [RC || N <- ?NODES, RC <- [catch stop(concat(Prot, N))], RC /= ok]. -- cgit v1.2.3 From 8030b1bb8f8f2a049b0806af2234f023a427394e Mon Sep 17 00:00:00 2001 From: Anders Svensson Date: Sun, 1 Feb 2015 09:23:42 +0100 Subject: Simplify transport suite Using the fact that transport processes can now be started concurrently. The suite serialized starts itself when pretending to be diameter starting a transport process. --- lib/diameter/test/diameter_transport_SUITE.erl | 35 +++++--------------------- 1 file changed, 6 insertions(+), 29 deletions(-) (limited to 'lib/diameter/test') diff --git a/lib/diameter/test/diameter_transport_SUITE.erl b/lib/diameter/test/diameter_transport_SUITE.erl index 23b972a9a0..64015f3336 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 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 @@ -365,37 +365,14 @@ start_connect(tcp, T, Svc, Opts) -> diameter_tcp:start(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_{tcp,sctp} -%% currently assume (and diameter currently implements) this. start_accept(Prot, Ref) -> - Pid = sync(accept, Ref), {Mod, Opts} = tmod(Prot), - - try - {ok, TPid, [?ADDR]} = Mod:start({accept, Ref}, - ?SVC([?ADDR]), - [{port, 0} | Opts]), - ?RECV(?TMSG({TPid, connected})), - TPid - after - Pid ! Ref - end. - -sync(What, Ref) -> - ok = diameter_sync:cast({?MODULE, What, Ref}, - [fun lock/2, Ref, self()], - infinity, - infinity), - receive {start, Ref, Pid} -> Pid end. - -lock(Ref, Pid) -> - Pid ! {start, Ref, self()}, - erlang:monitor(process, Pid), - Ref = receive T -> T end. + {ok, TPid, [?ADDR]} = Mod:start({accept, Ref}, + ?SVC([?ADDR]), + [{port, 0} | Opts]), + ?RECV(?TMSG({TPid, connected})), + TPid. tmod(sctp) -> {diameter_sctp, [{sctp_initmsg, ?SCTP_INIT}]}; -- cgit v1.2.3 From 5180aeb954036f532835958dda8eab8fe456494b Mon Sep 17 00:00:00 2001 From: Anders Svensson Date: Mon, 2 Feb 2015 10:35:26 +0100 Subject: Add gen_tcp testcase that fails sporadically On OS X at least. The testcase opens a listening socket, spawns 8 processes that call gen_tcp:accept/1, waits a couple of seconds, and then spawns 8 processes that call gen_tcp:connect/3. Some of these occasionally return {error, econnreset}. --- lib/diameter/test/diameter_gen_tcp_SUITE.erl | 67 +++++++++++++++++++++------- 1 file changed, 52 insertions(+), 15 deletions(-) (limited to 'lib/diameter/test') diff --git a/lib/diameter/test/diameter_gen_tcp_SUITE.erl b/lib/diameter/test/diameter_gen_tcp_SUITE.erl index 7e232edb44..4b542e0156 100644 --- a/lib/diameter/test/diameter_gen_tcp_SUITE.erl +++ b/lib/diameter/test/diameter_gen_tcp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013. All Rights Reserved. +%% Copyright Ericsson AB 2014-2015. 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 @@ -18,10 +18,10 @@ %% %% -%% Some gen_sctp-specific tests demonstrating problems that were +%% Some gen_tcp-specific tests demonstrating problems that were %% encountered during diameter development but have nothing -%% specifically to do with diameter. At least one of them can cause -%% diameter_traffic_SUITE testcases to fail. +%% specifically to do with diameter. These can cause testcases in +%% other suites to fail. %% -module(diameter_gen_tcp_SUITE). @@ -30,7 +30,8 @@ all/0]). %% testcases --export([send_long/1]). +-export([send_long/1, + connect/1]). -define(LOOPBACK, {127,0,0,1}). -define(GEN_OPTS, [binary, {active, true}, {ip, ?LOOPBACK}]). @@ -41,7 +42,8 @@ suite() -> [{timetrap, {minutes, 2}}]. all() -> - [send_long]. + [connect, %% Appears to fail only when run first. + send_long]. %% =========================================================================== @@ -87,15 +89,6 @@ connect(PortNr, LPid) -> LPid ! {self(), fun(B) -> send(Sock, B) end}, down(LPid). -%% down/1 - -down(Pid) - when is_pid(Pid) -> - down(erlang:monitor(process, Pid)); - -down(MRef) -> - receive {'DOWN', MRef, process, _, Reason} -> Reason end. - %% send/2 %% %% Send from a spawned process just to avoid sending from the @@ -104,3 +97,47 @@ down(MRef) -> send(Sock, Bin) -> {_, MRef} = spawn_monitor(fun() -> exit(gen_tcp:send(Sock, Bin)) end), down(MRef). + +%% =========================================================================== + +%% connect/1 +%% +%% Test that simultaneous connections succeed. This fails sporadically +%% on OS X at the time of writing, when gen_tcp:connect/2 returns +%% {error, econnreset}. + +connect(_) -> + {ok, LSock} = gen_tcp:listen(0, ?GEN_OPTS), + {ok, {_,PortNr}} = inet:sockname(LSock), + Count = lists:seq(1,8), %% 8 simultaneous connects + As = [gen_accept(LSock) || _ <- Count], + %% Wait for spawned processes to have called gen_tcp:accept/1 + %% (presumably). + receive after 2000 -> ok end, + Cs = [gen_connect(PortNr) || _ <- Count], + [] = failures(Cs), + [] = failures(As). + +failures(Monitors) -> + [RC || {_, MRef} <- Monitors, RC <- [down(MRef)], ok /= element(1, RC)]. + +gen_accept(LSock) -> + spawn_monitor(fun() -> + exit(gen_tcp:accept(LSock)) + end). + +gen_connect(PortNr) -> + spawn_monitor(fun() -> + exit(gen_tcp:connect(?LOOPBACK, PortNr, ?GEN_OPTS)) + end). + +%% =========================================================================== + +%% down/1 + +down(Pid) + when is_pid(Pid) -> + down(monitor(process, Pid)); + +down(MRef) -> + receive {'DOWN', MRef, process, _, Reason} -> Reason end. -- cgit v1.2.3 From 6aabb5176a176f3413a446ad13178eb25c4c90fd Mon Sep 17 00:00:00 2001 From: Anders Svensson Date: Mon, 23 Feb 2015 23:19:13 +0100 Subject: Fix SCTP match blunder in suites More than an incoming message can contain ancillary data, which the gen_sctp and transport suites did not expect. On FreeBSD 10, an sctp_assoc_change event appears always to contain ancillary data. --- lib/diameter/test/diameter_gen_sctp_SUITE.erl | 30 +++++++++++++------------- lib/diameter/test/diameter_transport_SUITE.erl | 6 +++++- 2 files changed, 20 insertions(+), 16 deletions(-) (limited to 'lib/diameter/test') diff --git a/lib/diameter/test/diameter_gen_sctp_SUITE.erl b/lib/diameter/test/diameter_gen_sctp_SUITE.erl index 51ccb1e6ec..25017272b5 100644 --- a/lib/diameter/test/diameter_gen_sctp_SUITE.erl +++ b/lib/diameter/test/diameter_gen_sctp_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2013. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 @@ -119,10 +119,10 @@ send_not_from_controlling_process(_) -> send_not_from_controlling_process() -> FPid = self(), - {L, MRef} = spawn_monitor(fun() -> listen(FPid) end),%% listening process + {L, MRef} = spawn_monitor(fun() -> listen(FPid) end), receive {?MODULE, C, S} -> - erlang:demonitor(MRef, [flush]), + demonitor(MRef, [flush]), [L,C,S]; {'DOWN', MRef, process, _, _} = T -> error(T) @@ -137,13 +137,7 @@ listen(FPid) -> LPid = self(), spawn(fun() -> connect1(PortNr, FPid, LPid) end), %% connecting process Id = assoc(Sock), - ?SCTP(Sock, {[#sctp_sndrcvinfo{assoc_id = Id}], _Bin}) - = recv(). %% Waits with this as current_function. - -%% recv/0 - -recv() -> - receive T -> T end. + recv(Sock, Id). %% connect1/3 @@ -154,7 +148,7 @@ connect1(PortNr, FPid, LPid) -> FPid ! {?MODULE, self(), spawn(fun() -> send(Sock, Id) end)}, %% sending process - MRef = erlang:monitor(process, LPid), + MRef = monitor(process, LPid), down(MRef). %% Waits with this as current_function. %% down/1 @@ -277,7 +271,8 @@ acc(N, Acc) -> loop(Sock, MRef, Bin) -> receive - ?SCTP(Sock, {[#sctp_sndrcvinfo{assoc_id = Id}], B}) -> + ?SCTP(Sock, {[#sctp_sndrcvinfo{assoc_id = Id}], B}) + when is_binary(B) -> Sz = size(Bin), {Sz, Bin} = {size(B), B}, %% assert ok = send(Sock, Id, mark(Bin)), @@ -291,7 +286,7 @@ loop(Sock, MRef, Bin) -> %% connect2/3 connect2(Pid, PortNr, Bin) -> - erlang:monitor(process, Pid), + monitor(process, Pid), {ok, Sock} = open(), ok = gen_sctp:connect_init(Sock, ?ADDR, PortNr, []), @@ -311,9 +306,14 @@ connect2(Pid, PortNr, Bin) -> recv(Sock, Id) -> receive - ?SCTP(Sock, {[#sctp_sndrcvinfo{assoc_id = Id}], Bin}) -> + ?SCTP(Sock, {[#sctp_sndrcvinfo{assoc_id = I}], Bin}) + when is_binary(Bin) -> + Id = I, %% assert Bin; - T -> %% eg. 'DOWN' + ?SCTP(S, _) -> + Sock = S, %% assert + recv(Sock, Id); + T -> exit(T) end. diff --git a/lib/diameter/test/diameter_transport_SUITE.erl b/lib/diameter/test/diameter_transport_SUITE.erl index 64015f3336..84ab6cbdc4 100644 --- a/lib/diameter/test/diameter_transport_SUITE.erl +++ b/lib/diameter/test/diameter_transport_SUITE.erl @@ -424,7 +424,11 @@ gen_send(tcp, Sock, Bin) -> gen_recv(sctp, Sock) -> {_OS, _IS, Id} = getr(assoc), - ?RECV(?SCTP(Sock, {[#sctp_sndrcvinfo{assoc_id = Id}], Bin}), Bin); + receive + ?SCTP(Sock, {[#sctp_sndrcvinfo{assoc_id = Id}], Bin}) + when is_binary(Bin) -> + Bin + end; gen_recv(tcp, Sock) -> tcp_recv(Sock, <<>>). -- cgit v1.2.3