From 96d63dca845e18f86488db9d8dfb33eb76ad0467 Mon Sep 17 00:00:00 2001 From: Anders Svensson Date: Tue, 4 Aug 2015 23:46:29 +0200 Subject: Simplify time manipulation By doing away with more wrapping that the parent commit started to remove. --- lib/diameter/src/base/diameter_config.erl | 3 +- lib/diameter/src/base/diameter_lib.erl | 73 ++------------------------ lib/diameter/src/base/diameter_peer.erl | 3 -- lib/diameter/src/base/diameter_reg.erl | 3 +- lib/diameter/src/base/diameter_service.erl | 5 +- lib/diameter/src/base/diameter_session.erl | 4 +- lib/diameter/src/base/diameter_stats.erl | 3 -- lib/diameter/src/base/diameter_sync.erl | 3 -- lib/diameter/src/base/diameter_watchdog.erl | 7 ++- lib/diameter/src/transport/diameter_sctp.erl | 3 -- lib/diameter/test/diameter_codec_test.erl | 4 +- lib/diameter/test/diameter_config_SUITE.erl | 2 +- lib/diameter/test/diameter_ct.erl | 4 +- lib/diameter/test/diameter_event_SUITE.erl | 6 +-- lib/diameter/test/diameter_examples_SUITE.erl | 8 +-- lib/diameter/test/diameter_gen_sctp_SUITE.erl | 10 ++-- lib/diameter/test/diameter_traffic_SUITE.erl | 8 ++- lib/diameter/test/diameter_transport_SUITE.erl | 6 +-- lib/diameter/test/diameter_util.erl | 19 +------ 19 files changed, 36 insertions(+), 138 deletions(-) diff --git a/lib/diameter/src/base/diameter_config.erl b/lib/diameter/src/base/diameter_config.erl index 8ac3b9d6ca..89b26707ad 100644 --- a/lib/diameter/src/base/diameter_config.erl +++ b/lib/diameter/src/base/diameter_config.erl @@ -37,8 +37,7 @@ -module(diameter_config). -behaviour(gen_server). --compile({no_auto_import, [monitor/2, now/0]}). --import(diameter_lib, [now/0]). +-compile({no_auto_import, [monitor/2]}). -export([start_service/2, stop_service/1, diff --git a/lib/diameter/src/base/diameter_lib.erl b/lib/diameter/src/base/diameter_lib.erl index 6a94e32b0e..e8009c6a14 100644 --- a/lib/diameter/src/base/diameter_lib.erl +++ b/lib/diameter/src/base/diameter_lib.erl @@ -18,18 +18,12 @@ %% -module(diameter_lib). --compile({no_auto_import, [now/0]}). -export([info_report/2, error_report/2, warning_report/2, - now/0, - timestamp/1, now_diff/1, - micro_diff/1, - micro_diff/2, time/1, - seed/0, eval/1, eval_name/1, get_stacktrace/0, @@ -97,37 +91,11 @@ fmt(T) -> "p" end. -%% --------------------------------------------------------------------------- -%% # now/0 -%% --------------------------------------------------------------------------- - --type timestamp() :: {non_neg_integer(), 0..999999, 0..999999}. --type now() :: timestamp(). - --spec now() - -> now(). - -%% Use monotonic time if it exists, fall back to erlang:now() -%% otherwise. - -now() -> - erlang:now(). - -%% --------------------------------------------------------------------------- -%% # timestamp/1 -%% --------------------------------------------------------------------------- - --spec timestamp(NowT :: now()) - -> timestamp(). - -timestamp({_,_,_} = T) -> %% erlang:now() - T. - %% --------------------------------------------------------------------------- %% # now_diff/1 %% --------------------------------------------------------------------------- --spec now_diff(NowT :: now()) +-spec now_diff(NowT :: erlang:timestamp()) -> {Hours, Mins, Secs, MicroSecs} when Hours :: non_neg_integer(), Mins :: 0..59, @@ -138,29 +106,7 @@ timestamp({_,_,_} = T) -> %% erlang:now() %% instead of as integer microseconds. now_diff(Time) -> - time(micro_diff(Time)). - -%% --------------------------------------------------------------------------- -%% # micro_diff/1 -%% --------------------------------------------------------------------------- - --spec micro_diff(NowT :: now()) - -> MicroSecs - when MicroSecs :: non_neg_integer(). - -micro_diff({_,_,_} = T0) -> - timer:now_diff(erlang:now(), T0). - -%% --------------------------------------------------------------------------- -%% # micro_diff/2 -%% --------------------------------------------------------------------------- - --spec micro_diff(T1 :: now(), T0 :: now()) - -> MicroSecs - when MicroSecs :: non_neg_integer(). - -micro_diff(T1, T0) -> %% at least one erlang:now() - timer:now_diff(T1, T0). + time(timer:now_diff(now(), Time)). %% --------------------------------------------------------------------------- %% # time/1 @@ -170,7 +116,7 @@ micro_diff(T1, T0) -> %% at least one erlang:now() -spec time(NowT | Diff) -> {Hours, Mins, Secs, MicroSecs} - when NowT :: timestamp(), + when NowT :: erlang:timestamp(), Diff :: non_neg_integer(), Hours :: non_neg_integer(), Mins :: 0..59, @@ -188,19 +134,6 @@ time(Micro) -> %% elapsed time S = Seconds rem 60, {H, M, S, Micro rem 1000000}. -%% --------------------------------------------------------------------------- -%% # seed/0 -%% --------------------------------------------------------------------------- - --spec seed() - -> {timestamp(), {integer(), integer(), integer()}}. - -%% Return an argument for random:seed/1. - -seed() -> - T = now(), - {T, T}. - %% --------------------------------------------------------------------------- %% # eval/1 %% diff --git a/lib/diameter/src/base/diameter_peer.erl b/lib/diameter/src/base/diameter_peer.erl index 89b63c8a92..356383dbab 100644 --- a/lib/diameter/src/base/diameter_peer.erl +++ b/lib/diameter/src/base/diameter_peer.erl @@ -20,9 +20,6 @@ -module(diameter_peer). -behaviour(gen_server). --compile({no_auto_import, [now/0]}). --import(diameter_lib, [now/0]). - %% Interface towards transport modules ... -export([recv/2, up/1, diff --git a/lib/diameter/src/base/diameter_reg.erl b/lib/diameter/src/base/diameter_reg.erl index f785777874..6bb4710e63 100644 --- a/lib/diameter/src/base/diameter_reg.erl +++ b/lib/diameter/src/base/diameter_reg.erl @@ -24,8 +24,7 @@ -module(diameter_reg). -behaviour(gen_server). --compile({no_auto_import, [monitor/2, now/0]}). --import(diameter_lib, [now/0]). +-compile({no_auto_import, [monitor/2]}). -export([add/1, add_new/1, diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl index 86e744dfbe..a31cef2c8c 100644 --- a/lib/diameter/src/base/diameter_service.erl +++ b/lib/diameter/src/base/diameter_service.erl @@ -24,9 +24,6 @@ -module(diameter_service). -behaviour(gen_server). --compile({no_auto_import, [now/0]}). --import(diameter_lib, [now/0]). - %% towards diameter_service_sup -export([start_link/1]). @@ -1218,7 +1215,7 @@ connect_timer(Opts, Def0) -> %% continuous restarted in case of faulty config or other problems. tc(Time, Tc) -> choose(Tc > ?RESTART_TC - orelse diameter_lib:micro_diff(Time) > 1000*?RESTART_TC, + orelse timer:now_diff(now(), Time) > 1000*?RESTART_TC, Tc, ?RESTART_TC). diff --git a/lib/diameter/src/base/diameter_session.erl b/lib/diameter/src/base/diameter_session.erl index c5ea0428b5..3b236f109a 100644 --- a/lib/diameter/src/base/diameter_session.erl +++ b/lib/diameter/src/base/diameter_session.erl @@ -157,8 +157,8 @@ session_id(Host) -> %% --------------------------------------------------------------------------- init() -> - {Now, Seed} = diameter_lib:seed(), - random:seed(Seed), + Now = now(), + random:seed(Now), Time = time32(Now), Seq = (?INT32 band (Time bsl 20)) bor (random:uniform(1 bsl 20) - 1), ets:insert(diameter_sequence, [{origin_state_id, Time}, diff --git a/lib/diameter/src/base/diameter_stats.erl b/lib/diameter/src/base/diameter_stats.erl index d2c760317a..5eb8fa1cba 100644 --- a/lib/diameter/src/base/diameter_stats.erl +++ b/lib/diameter/src/base/diameter_stats.erl @@ -24,9 +24,6 @@ -module(diameter_stats). -behaviour(gen_server). --compile({no_auto_import, [now/0]}). --import(diameter_lib, [now/0]). - -export([reg/2, reg/1, incr/3, incr/1, read/1, diff --git a/lib/diameter/src/base/diameter_sync.erl b/lib/diameter/src/base/diameter_sync.erl index 90eabece3d..cee06b9e96 100644 --- a/lib/diameter/src/base/diameter_sync.erl +++ b/lib/diameter/src/base/diameter_sync.erl @@ -27,9 +27,6 @@ -module(diameter_sync). -behaviour(gen_server). --compile({no_auto_import, [now/0]}). --import(diameter_lib, [now/0]). - -export([call/4, call/5, cast/4, cast/5, carp/1, carp/2]). diff --git a/lib/diameter/src/base/diameter_watchdog.erl b/lib/diameter/src/base/diameter_watchdog.erl index 66781d7b06..009a766e43 100644 --- a/lib/diameter/src/base/diameter_watchdog.erl +++ b/lib/diameter/src/base/diameter_watchdog.erl @@ -124,8 +124,7 @@ i({Ack, T, Pid, {RecvData, = Svc}}) -> monitor(process, Pid), wait(Ack, Pid), - {_, Seed} = diameter_lib:seed(), - random:seed(Seed), + random:seed(now()), putr(restart, {T, Opts, Svc, SvcOpts}), %% save seeing it in trace putr(dwr, dwr(Caps)), %% {_,_} = Mask = proplists:get_value(sequence, SvcOpts), @@ -453,7 +452,7 @@ transition({timeout, TRef, tw}, #watchdog{tref = TRef} = S) -> %% Message has arrived since the timer was started: subtract time %% already elapsed from new timer. transition({timeout, _, tw}, #watchdog{tref = T0} = S) -> - set_watchdog(diameter_lib:micro_diff(T0) div 1000, S); + set_watchdog(timer:now_diff(now(), T0) div 1000, S); %% State query. transition({state, Pid}, #watchdog{status = S}) -> @@ -535,7 +534,7 @@ set_watchdog(#watchdog{tref = undefined} = S) -> %% Timer already set: start at new one only at expiry. set_watchdog(#watchdog{} = S) -> - S#watchdog{tref = diameter_lib:now()}; + S#watchdog{tref = now()}; set_watchdog(stop = No) -> No. diff --git a/lib/diameter/src/transport/diameter_sctp.erl b/lib/diameter/src/transport/diameter_sctp.erl index f80de0a816..e9c52c9de5 100644 --- a/lib/diameter/src/transport/diameter_sctp.erl +++ b/lib/diameter/src/transport/diameter_sctp.erl @@ -20,9 +20,6 @@ -module(diameter_sctp). -behaviour(gen_server). --compile({no_auto_import, [now/0]}). --import(diameter_lib, [now/0]). - %% interface -export([start/3]). diff --git a/lib/diameter/test/diameter_codec_test.erl b/lib/diameter/test/diameter_codec_test.erl index 5f1dbfbd61..17f5833101 100644 --- a/lib/diameter/test/diameter_codec_test.erl +++ b/lib/diameter/test/diameter_codec_test.erl @@ -229,7 +229,7 @@ v(Max, Ord, E) when Ord =< Max -> diameter_enum:to_list(E); v(Max, Ord, E) -> - random:seed(diameter_util:seed()), + random:seed(now()), v(Max, Ord, E, []). v(0, _, _, Acc) -> @@ -522,7 +522,7 @@ random(Mn,Mx) -> seed(undefined) -> put({?MODULE, seed}, true), - random:seed(diameter_util:seed()); + random:seed(now()); seed(true) -> ok. diff --git a/lib/diameter/test/diameter_config_SUITE.erl b/lib/diameter/test/diameter_config_SUITE.erl index 4bcaa8119f..bbdf672291 100644 --- a/lib/diameter/test/diameter_config_SUITE.erl +++ b/lib/diameter/test/diameter_config_SUITE.erl @@ -50,7 +50,7 @@ {request_errors, RE}, {call_mutates_state, C}]] || D <- [diameter_gen_base_rfc3588, diameter_gen_base_rfc6733], - M <- [?MODULE, [?MODULE, diameter_lib:now()]], + M <- [?MODULE, [?MODULE, now()]], A <- [0, common, make_ref()], S <- [[], make_ref()], AE <- [report, callback, discard], diff --git a/lib/diameter/test/diameter_ct.erl b/lib/diameter/test/diameter_ct.erl index 85c502ea7f..788cbbbe3e 100644 --- a/lib/diameter/test/diameter_ct.erl +++ b/lib/diameter/test/diameter_ct.erl @@ -43,7 +43,7 @@ ct_run(Opts) -> info(Start , info()). info() -> - [{time, diameter_lib:now()}, + [{time, now()}, {process_count, erlang:system_info(process_count)} | erlang:memory()]. @@ -56,6 +56,6 @@ info(L0, L1) -> io:format("INFO: ~p~n", [Diff]). diff(time, T0, T1) -> - diameter_lib:micro_diff(T1, T0); + timer:now_diff(T1, T0); diff(_, N0, N1) -> N1 - N0. diff --git a/lib/diameter/test/diameter_event_SUITE.erl b/lib/diameter/test/diameter_event_SUITE.erl index bfe160203c..8ede8a51a8 100644 --- a/lib/diameter/test/diameter_event_SUITE.erl +++ b/lib/diameter/test/diameter_event_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013-15. 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 @@ -174,9 +174,9 @@ event(Name) -> receive #diameter_event{service = Name, info = T} -> T end. event(Name, TL, TH) -> - T0 = diameter_lib:now(), + T0 = now(), Event = event(Name), - DT = diameter_lib:micro_diff(T0) div 1000, + DT = timer:now_diff(now(), T0) div 1000, {true, true, DT, Event} = {TL < DT, DT < TH, DT, Event}, Event. diff --git a/lib/diameter/test/diameter_examples_SUITE.erl b/lib/diameter/test/diameter_examples_SUITE.erl index ef8e459175..dc0b466b59 100644 --- a/lib/diameter/test/diameter_examples_SUITE.erl +++ b/lib/diameter/test/diameter_examples_SUITE.erl @@ -295,15 +295,15 @@ slave() -> [{timetrap, {minutes, 10}}]. slave(_) -> - T0 = diameter_lib:now(), + T0 = now(), {ok, Node} = ct_slave:start(?MODULE, ?TIMEOUTS), - T1 = diameter_lib:now(), + T1 = now(), T2 = rpc:call(Node, erlang, now, []), {ok, Node} = ct_slave:stop(?MODULE), - now_diff([T0, T1, T2, diameter_lib:now()]). + now_diff([T0, T1, T2, now()]). now_diff([T1,T2|_] = Ts) -> - [diameter_lib:micro_diff(T2,T1) | now_diff(tl(Ts))]; + [timer:now_diff(T2,T1) | now_diff(tl(Ts))]; now_diff(_) -> []. diff --git a/lib/diameter/test/diameter_gen_sctp_SUITE.erl b/lib/diameter/test/diameter_gen_sctp_SUITE.erl index 4ea5e80095..ced897c714 100644 --- a/lib/diameter/test/diameter_gen_sctp_SUITE.erl +++ b/lib/diameter/test/diameter_gen_sctp_SUITE.erl @@ -296,12 +296,12 @@ connect2(Pid, PortNr, Bin) -> %% T2 = time after listening process received our message %% T3 = time after reply is received - T1 = diameter_util:timestamp(), + T1 = now(), ok = send(Sock, Id, Bin), T2 = unmark(recv(Sock, Id)), - T3 = diameter_util:timestamp(), - {diameter_lib:micro_diff(T2, T1), %% Outbound - diameter_lib:micro_diff(T3, T2)}. %% Inbound + T3 = now(), + {timer:now_diff(T2, T1), %% Outbound + timer:now_diff(T3, T2)}. %% Inbound %% recv/2 @@ -326,7 +326,7 @@ send(Sock, Id, Bin) -> %% mark/1 mark(Bin) -> - Info = term_to_binary(diameter_util:timestamp()), + Info = term_to_binary(now()), <>. %% unmark/1 diff --git a/lib/diameter/test/diameter_traffic_SUITE.erl b/lib/diameter/test/diameter_traffic_SUITE.erl index 17faf30a9b..4669fb6720 100644 --- a/lib/diameter/test/diameter_traffic_SUITE.erl +++ b/lib/diameter/test/diameter_traffic_SUITE.erl @@ -874,7 +874,7 @@ call(Config, Req, Opts) -> diameter:call(CN, dict(Req, Dict0), msg(Req, ReqEncoding, Dict0), - [{extra, [{Name, Group}, diameter_lib:now()]} | Opts]). + [{extra, [{Name, Group}, now()]} | Opts]). origin({A,C}) -> 2*codec(A) + container(C); @@ -1200,10 +1200,8 @@ app(Req, _, Dict0) -> %% handle_error/6 handle_error(timeout = Reason, _Req, [$C|_], _Peer, _, Time) -> - Now = diameter_lib:now(), - {Reason, {diameter_lib:timestamp(Time), - diameter_lib:timestamp(Now), - diameter_lib:micro_diff(Now, Time)}}; + Now = now(), + {Reason, {Time, Now, timer:now_diff(Now, Time)}}; handle_error(Reason, _Req, [$C|_], _Peer, _, _Time) -> {error, Reason}. diff --git a/lib/diameter/test/diameter_transport_SUITE.erl b/lib/diameter/test/diameter_transport_SUITE.erl index 78bddbd1cf..40f713a550 100644 --- a/lib/diameter/test/diameter_transport_SUITE.erl +++ b/lib/diameter/test/diameter_transport_SUITE.erl @@ -53,7 +53,7 @@ %% Receive a message. -define(RECV(Pat, Ret), receive Pat -> Ret end). --define(RECV(Pat), ?RECV(Pat, diameter_util:timestamp())). +-define(RECV(Pat), ?RECV(Pat, now())). %% Sockets are opened on the loopback address. -define(ADDR, {127,0,0,1}). @@ -335,7 +335,7 @@ make_msg() -> %% crypto:rand_bytes/1 isn't available on all platforms (since openssl %% isn't) so roll our own. rand_bytes(N) -> - random:seed(diameter_util:seed()), + random:seed(now()), rand_bytes(N, <<>>). rand_bytes(0, Bin) -> @@ -416,7 +416,7 @@ gen_accept(tcp, LSock) -> gen_send(sctp, Sock, Bin) -> {OS, _IS, Id} = getr(assoc), - {_, _, Us} = diameter_util:timestamp(), + {_, _, Us} = now(), gen_sctp:send(Sock, Id, Us rem OS, Bin); gen_send(tcp, Sock, Bin) -> gen_tcp:send(Sock, Bin). diff --git a/lib/diameter/test/diameter_util.erl b/lib/diameter/test/diameter_util.erl index df7d268429..e8fab18a45 100644 --- a/lib/diameter/test/diameter_util.erl +++ b/lib/diameter/test/diameter_util.erl @@ -30,8 +30,6 @@ fold/3, foldl/3, scramble/1, - timestamp/0, - seed/0, unique_string/0, have_sctp/0]). @@ -178,7 +176,7 @@ scramble(L) -> [[fun s/1, L]]). s(L) -> - random:seed(seed()), + random:seed(now()), s([], L). s(Acc, []) -> @@ -187,19 +185,6 @@ s(Acc, L) -> {H, [T|Rest]} = lists:split(random:uniform(length(L)) - 1, L), s([T|Acc], H ++ Rest). -%% --------------------------------------------------------------------------- -%% timestamp/0 - -timestamp() -> - diameter_lib:timestamp(diameter_lib:now()). - -%% --------------------------------------------------------------------------- -%% seed/0 - -seed() -> - {_,T} = diameter_lib:seed(), - T. - %% --------------------------------------------------------------------------- %% unique_string/0 @@ -209,7 +194,7 @@ unique_string() -> integer_to_list(N) catch error: undef -> %% OTP < 18 - {M,S,U} = timestamp(), + {M,S,U} = now(), tl(lists:append(["-" ++ integer_to_list(N) || N <- [M,S,U]])) end. -- cgit v1.2.3