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File 8172-diameter-Add-various-utility-info-functions.patch of Package erlang
From 8c2ff23ea4cf2c29fd7d72339de408bbdaaf10b5 Mon Sep 17 00:00:00 2001 From: Micael Karlberg <bmk@erlang.org> Date: Tue, 27 Feb 2024 12:56:31 +0100 Subject: [PATCH 2/5] [diameter] Add various utility/info functions --- lib/diameter/src/base/diameter.erl | 91 ++++++++++- lib/diameter/src/base/diameter_config.erl | 32 ++++ lib/diameter/src/base/diameter_service.erl | 162 ++++++++++++++++++- lib/diameter/test/diameter_traffic_SUITE.erl | 47 +++++- 4 files changed, 323 insertions(+), 9 deletions(-) diff --git a/lib/diameter/src/base/diameter.erl b/lib/diameter/src/base/diameter.erl index 3231327c64..0d12dcc196 100644 --- a/lib/diameter/src/base/diameter.erl +++ b/lib/diameter/src/base/diameter.erl @@ -25,6 +25,9 @@ stop_service/1, add_transport/2, remove_transport/2, + which_transports/0, which_transports/1, + which_watchdogs/0, which_watchdogs/1, + which_connections/0, which_connections/1, subscribe/1, unsubscribe/1]). @@ -142,6 +145,7 @@ start_service(SvcName, Opts) stop_service(SvcName) -> diameter_config:stop_service(SvcName). + %% --------------------------------------------------------------------------- %% services/0 %% --------------------------------------------------------------------------- @@ -152,6 +156,7 @@ stop_service(SvcName) -> services() -> [Name || {Name, _} <- diameter_service:services()]. + %% --------------------------------------------------------------------------- %% service_info/2 %% --------------------------------------------------------------------------- @@ -164,7 +169,7 @@ service_info(SvcName, Option) -> diameter_service:info(SvcName, Option). %% --------------------------------------------------------------------------- -%% peer_info/2 +%% peer_info/1 %% --------------------------------------------------------------------------- -spec peer_info(peer_ref()) @@ -206,6 +211,90 @@ add_transport(SvcName, {T, Opts} = Cfg) remove_transport(SvcName, Pred) -> diameter_config:remove_transport(SvcName, Pred). + +%% --------------------------------------------------------------------------- +%% which_transport/0, which_transport/1 +%% --------------------------------------------------------------------------- + +-spec which_transports() -> [#{ref := reference(), + type := atom(), + service := string()}]. +which_transports() -> + diameter_config:which_transports(). + + +-spec which_transports(SvcName) -> [#{ref := reference(), + type := atom()}] when + SvcName :: string(). + +which_transports(SvcName) -> + diameter_config:which_transports(SvcName). + + +%% --------------------------------------------------------------------------- +%% which_watchdogs/0, which_watchdogs/1 +%% --------------------------------------------------------------------------- + +-spec which_watchdogs() -> [#{ref := reference(), + type := atom(), + pid := pid(), + state := diameter_service:wd_state(), + peer := boolean() | pid(), + uptime := {Hours, Mins, Secs, MicroSecs}, + service := SvcName}] when + Hours :: non_neg_integer(), + Mins :: 0..59, + Secs :: 0..59, + MicroSecs :: 0..999999, + SvcName :: string(). + +which_watchdogs() -> + diameter_service:which_watchdogs(). + + +-spec which_watchdogs(SvcName) -> + [#{ref := reference(), + type := atom(), + pid := pid(), + state := diameter_service:wd_state(), + peer := boolean() | pid(), + uptime := {Hours, Mins, Secs, MicroSecs}}] when + SvcName :: string(), + Hours :: non_neg_integer(), + Mins :: 0..59, + Secs :: 0..59, + MicroSecs :: 0..999999. + +which_watchdogs(SvcName) -> + diameter_service:which_watchdogs(SvcName). + + +%% --------------------------------------------------------------------------- +%% which_connections/0, which_connections/1 +%% --------------------------------------------------------------------------- + +-spec which_connections() -> + [{SvcName, + [#{peer := term(), + wd := term(), + peername := {inet:ip_address(), inet:port_number()}, + sockname := {inet:ip_address(), inet:port_number()}}]}] when + SvcName :: string(). + +which_connections() -> + diameter_service:which_connections(). + +-spec which_connections(SvcName) -> + [#{peer := term(), + wd := term(), + peername := {inet:ip_address(), inet:port_number()}, + sockname := {inet:ip_address(), inet:port_number()}}] when + SvcName :: string(). + +which_connections(SvcName) -> + diameter_service:which_connections(SvcName). + + %% --------------------------------------------------------------------------- %% subscribe/1 %% --------------------------------------------------------------------------- diff --git a/lib/diameter/src/base/diameter_config.erl b/lib/diameter/src/base/diameter_config.erl index 0d6610b866..cf900186d3 100644 --- a/lib/diameter/src/base/diameter_config.erl +++ b/lib/diameter/src/base/diameter_config.erl @@ -46,6 +46,10 @@ lookup/1, subscribe/2]). +-export([ + which_transports/0, which_transports/1 + ]). + %% server start -export([start_link/0, start_link/1]). @@ -234,6 +238,7 @@ pred(_) -> subscribe(Ref, T) -> diameter_reg:subscribe(?TRANSPORT_KEY(Ref), T). + %% -------------------------------------------------------------------------- %% # have_transport/2 %% @@ -248,6 +253,32 @@ have_transport(SvcName, Ref) -> {'=:=', '$2', {const, Ref}}}], [true]}]). + +%% -------------------------------------------------------------------------- +%% # which_transports/0,1 +%% -------------------------------------------------------------------------- + +which_transports() -> + MatchHead = #transport{service = '$1', + ref = '$2', + type = '$3', + _ = '_'}, + Guard = [], + Return = [{{'$2', '$3', '$1'}}], + [#{ref => Ref, type => Type, service => Service} || + {Ref, Type, Service} <- select([{MatchHead, Guard, Return}])]. + +which_transports(SvcName) -> + MatchHead = #transport{service = '$1', + ref = '$2', + type = '$3', + _ = '_'}, + Guard = [{'=:=', '$1', {const, SvcName}}], + Return = [{{'$2', '$3'}}], + [#{ref => Ref, type => Type} || + {Ref, Type} <- select([{MatchHead, Guard, Return}])]. + + %% -------------------------------------------------------------------------- %% # lookup/1 %% -------------------------------------------------------------------------- @@ -263,6 +294,7 @@ lookup(SvcName) -> [{'=:=', '$1', {const, SvcName}}], [{{'$2', '$3', '$4'}}]}]). + %% --------------------------------------------------------- %% EXPORTED INTERNAL FUNCTIONS %% --------------------------------------------------------- diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl index 22fecf74a5..a2a3771270 100644 --- a/lib/diameter/src/base/diameter_service.erl +++ b/lib/diameter/src/base/diameter_service.erl @@ -55,7 +55,9 @@ call_module/3, whois/1, state/1, - uptime/1]). + uptime/1, + which_watchdogs/0, which_watchdogs/1, + which_connections/0, which_connections/1]). %% gen_server callbacks -export([init/1, @@ -65,9 +67,16 @@ terminate/2, code_change/3]). +-export_type([wd_state/0]). + -include_lib("diameter/include/diameter.hrl"). -include("diameter_internal.hrl"). +%% Enable debug logging by set(ing) level to debug. +%% For example: logger:set_primary_config(level, debug), +%% -define(DBG(F,A), +%% logger:debug("~w:~w(~w) -> " ++ F ++ "~n", +%% [?MODULE, ?FUNCTION_NAME, ?LINE | A])). %% RFC 3539 watchdog states. -define(WD_INITIAL, initial). @@ -205,6 +214,138 @@ stop_transport(_, []) -> stop_transport(SvcName, [_|_] = Refs) -> call_service_by_name(SvcName, {stop, Refs}). + +%% -------------------------------------------------------------------------- +%% # which_watchdogs/0, which_watchdogs/1 +%% -------------------------------------------------------------------------- + +which_watchdogs() -> + which_watchdogs(services(), []). + +which_watchdogs([], Acc) -> + lists:flatten(lists:reverse(Acc)); +which_watchdogs([{SvcName, _} | Services], Acc) -> + case which_watchdogs(SvcName) of + WDs when is_list(WDs) -> + which_watchdogs(Services, + [[WD#{service => SvcName} || WD <- WDs] | Acc]); + undefined -> + which_watchdogs(Services, Acc) + end. + +which_watchdogs(SvcName) -> + case lookup_state(SvcName) of + [#state{watchdogT = WDT}] -> + [#{pid => Pid, + ref => Ref, + type => Type, + state => State, + uptime => diameter_lib:now_diff(Started), + peer => Peer} || + #watchdog{pid = Pid, + type = Type, + ref = Ref, + state = State, + started = Started, + peer = Peer} <- ets:tab2list(WDT)]; + [] -> + undefined + end. + + +%% --------------------------------------------------------------------------- +%% # which_connections/0, which_connections/1 +%% --------------------------------------------------------------------------- + +which_connections() -> + Services = [SvcName || {SvcName, _} <- services()], + which_connections1(Services). + +which_connections1(Services) -> + which_connections1(Services, []). + +which_connections1([], Acc) -> + lists:reverse(Acc); +which_connections1([SvcName | Services], Acc) -> + case which_connections(SvcName) of + [] -> + which_connections1(Services, Acc); + Conns -> + which_connections1(Services, [{SvcName, Conns} | Acc]) + end. + +which_connections(SvcName) -> + case lookup_state(SvcName) of + [#state{watchdogT = WDT, + local = {PT, _, _}}] -> + connections_info(WDT, PT); + [] -> + [] + end. + +connections_info(WDT, PT) -> + try ets:tab2list(WDT) of + L -> + connections_info2(PT, L) + catch + error: badarg -> [] %% service has gone down + end. + +connections_info2(PT, L) -> + connections_info2(PT, L, []). + +connections_info2(_PT, [], Acc) -> + lists:reverse(Acc); +connections_info2(PT, [WD | WDs], Acc) -> + ConnInfo = connection_info(PT, WD), + connections_info2(PT, WDs, [ConnInfo | Acc]). + +connection_info(PT, #watchdog{pid = Pid, + type = Type, + ref = Ref, + state = State, + started = Started, + peer = TPid}) -> + Info = #{wd => #{ref => Ref, + pid => Pid, + type => Type, + state => State, + uptime => diameter_lib:now_diff(Started)} + }, + connection_info2(PT, TPid, State, Info). + +connection_info2(PT, TPid, State, Info) + when is_pid(TPid) andalso (State =/= ?WD_DOWN) -> + try ets:lookup(PT, TPid) of + [#peer{pid = PPid, started = Started}] -> + connection_info3(PPid, Started, Info); + [] -> + Info + catch + error: badarg -> [] %% service has gone down + end; +connection_info2(_PT, _PPid, _State, Info) -> + Info. + +connection_info3(PPid, Started, Info) -> + Info2 = Info#{peer => #{pid => PPid, + uptime => diameter_lib:now_diff(Started)}}, + {_, PD} = process_info(PPid, dictionary), + {_, T} = lists:keyfind({diameter_peer_fsm, start}, 1, PD), + {TPid, {_Type, TMod, _Cfg}} = T, + {_, TD} = process_info(TPid, dictionary), + {_, Data} = lists:keyfind({TMod, info}, 1, TD), + try TMod:info(Data) of + TInfo -> + Socket = proplists:get_value(socket, TInfo), + Peer = proplists:get_value(peer, TInfo), + Info2#{sockname => Socket, + peername => Peer} + catch + _:_ -> Info2 + end. + + %% --------------------------------------------------------------------------- %% # info/2 %% --------------------------------------------------------------------------- @@ -386,6 +527,10 @@ uptime(Svc) -> call_module(Service, AppMod, Request) -> call_service(Service, {call_module, AppMod, Request}). + +%% =========================================================================== +%% =========================================================================== + %% --------------------------------------------------------------------------- %% # init/1 %% --------------------------------------------------------------------------- @@ -1974,7 +2119,8 @@ complete_info(Item, #state{service = Svc} = S) -> #diameter_caps.firmware_revision; capabilities -> service_info(?CAP_INFO, S); applications -> info_apps(S); - transport -> info_transport(S); + transport -> info_transport(S, false); + transport_simple -> info_transport(S, true); options -> info_options(S); keys -> ?ALL_INFO ++ ?CAP_INFO ++ ?OTHER_INFO; all -> service_info(?ALL_INFO, S); @@ -2016,7 +2162,16 @@ info_stats(#state{watchdogT = WatchdogT}) -> %% the accumulated values for the ref and associated watchdog/peer %% pids. -info_transport(S) -> +%% foo() -> +%% #{ref :: reference(), +%% type :: connect | listen, +%% transport_module :: module(), +%% wd :: {pid(), integer(), wd_state()}, +%% peer :: {pid(), Started :: integer()}, +%% local :: {inet:ip_address(), inet:port_number()}, +%% remote :: {inet:ip_address(), inet:port_number()}}. + +info_transport(S, _) -> PeerD = peer_dict(S, config_dict(S)), Stats = diameter_stats:sum(dict:fetch_keys(PeerD)), dict:fold(fun(R, Ls, A) -> @@ -2165,7 +2320,6 @@ bins_sum3([{P, S, _} | T], N, D) -> bins_sum3(T, N-1, dict:store(P,S,D)). - %% The point of extracting the config here is so that 'transport' info %% has one entry for each transport ref, the peer table only diff --git a/lib/diameter/test/diameter_traffic_SUITE.erl b/lib/diameter/test/diameter_traffic_SUITE.erl index 37fc2d9446..ac1d8c35fa 100644 --- a/lib/diameter/test/diameter_traffic_SUITE.erl +++ b/lib/diameter/test/diameter_traffic_SUITE.erl @@ -298,14 +298,53 @@ traffic(#group{} = Cfg) -> ok = client(Cfg, LRef), [] = send(Cfg), - io:format("Service(s) info: " - "~n ~p" - "~n", [[{SvcName, diameter:service_info(SvcName, all)} || - SvcName <- diameter:services()]]), + print_services_info(), ok = stop_services(Cfg), [] = ets:tab2list(diameter_request). + +print_services_info() -> + print_services_info(diameter:services()). + +print_services_info([]) -> + io:format("~n", []); +print_services_info([Service | Services]) -> + io:format("~n Service: ~s" + "~n Config:" + "~n ~p" + "~n Which Connections:" + "~n ~p" + "~n Which Connections/Service:" + "~n ~p" + "~n Which Watchdogs:" + "~n ~p" + "~n Which Watchdogs/Service:" + "~n ~p" + "~n Which Transports:" + "~n ~p" + "~n Which Transports/Service:" + "~n ~p" + "~n Peers Info:" + "~n ~p" + "~n Transport Info:" + "~n ~p" + "~n All info:" + "~n ~p", + [Service, + diameter_config:lookup(Service), + diameter:which_connections(), + diameter:which_connections(Service), + diameter:which_watchdogs(), + diameter:which_watchdogs(Service), + diameter:which_transports(), + diameter:which_transports(Service), + diameter:service_info(Service, peers), + diameter:service_info(Service, transport), + diameter:service_info(Service, all)]), + print_services_info(Services). + + %% start_service/2 start_service(Svc, Opts) -> -- 2.35.3
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