42 lines
1.1 KiB
Erlang
42 lines
1.1 KiB
Erlang
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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-module(emqx_time).
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-export([ seed/0
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, now_secs/0
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, now_secs/1
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, now_ms/0
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, now_ms/1
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, ts_from_ms/1
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]).
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seed() ->
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rand:seed(exsplus, erlang:timestamp()).
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now_secs() ->
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erlang:system_time(second).
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now_secs({MegaSecs, Secs, _MicroSecs}) ->
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MegaSecs * 1000000 + Secs.
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now_ms() ->
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erlang:system_time(millisecond).
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now_ms({MegaSecs, Secs, MicroSecs}) ->
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(MegaSecs * 1000000 + Secs) * 1000 + round(MicroSecs/1000).
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ts_from_ms(Ms) ->
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{Ms div 1000000, Ms rem 1000000, 0}.
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