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Rename now_to_secs, now_to_ms functions

This commit is contained in:
Feng Lee 2017-02-16 11:18:37 +08:00
parent 796d5df1c0
commit 640c9287c2
1 changed files with 16 additions and 10 deletions
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26
src/emqttd_time.erl
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@ -1,5 +1,5 @@
%%--------------------------------------------------------------------
%% Copyright (c) 2012-2017 Feng Lee <feng@emqtt.io>.
%% Copyright (c) 2013-2017 EMQ Enterprise, Inc. (http://emqtt.io)
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@ -16,21 +16,27 @@
-module(emqttd_time).
-export([seed/0, now_to_secs/0, now_to_secs/1, now_to_ms/0, now_to_ms/1]).
-author("Feng Lee <feng@emqtt.io>").
-export([seed/0, now_secs/0, now_secs/1, now_ms/0, now_ms/1, ts_from_ms/1]).
seed() ->
case erlang:function_exported(erlang, timestamp, 0) of
true -> random:seed(erlang:timestamp()); %% R18
true -> rand:seed(exsplus, erlang:timestamp()); %% R18
false -> random:seed(os:timestamp()) %% Compress now() deprecated warning...
end.
now_to_secs() -> now_to_secs(os:timestamp()).
now_ms() ->
now_ms(os:timestamp()).
now_to_secs({MegaSecs, Secs, _MicroSecs}) ->
MegaSecs * 1000000 + Secs.
now_to_ms() -> now_to_ms(os:timestamp()).
now_to_ms({MegaSecs, Secs, MicroSecs}) ->
now_ms({MegaSecs, Secs, MicroSecs}) ->
(MegaSecs * 1000000 + Secs) * 1000 + round(MicroSecs/1000).
now_secs() ->
now_secs(os:timestamp()).
now_secs({MegaSecs, Secs, _MicroSecs}) ->
MegaSecs * 1000000 + Secs.
ts_from_ms(Ms) ->
{Ms div 1000000, Ms rem 1000000, 0}.