rm tick
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%%%-----------------------------------------------------------------------------
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%%% @Copyright (C) 2012-2015, Feng Lee <feng@emqtt.io>
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%%%
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%%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%%% of this software and associated documentation files (the "Software"), to deal
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%%% in the Software without restriction, including without limitation the rights
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%%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%%% copies of the Software, and to permit persons to whom the Software is
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%%% furnished to do so, subject to the following conditions:
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%%%
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%%% The above copyright notice and this permission notice shall be included in all
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%%% copies or substantial portions of the Software.
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%%%
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%%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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%%% SOFTWARE.
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%%%-----------------------------------------------------------------------------
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%%% @doc
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%%% emqttd tick.
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%%%
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%%% @end
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%%%-----------------------------------------------------------------------------
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-module(emqttd_tick).
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-export([new/1, tick/1]).
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-record(tick_state, {interval, timer}).
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new(Interval) ->
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Delay = if
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Interval == 0 -> 0;
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true -> random:uniform(Interval)
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end,
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tick(Delay, #tick_state{interval = Interval}).
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tick(Tick = #tick_state{interval = Interval}) ->
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tick(Interval, Tick).
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tick(Delay, Tick) when is_record(Tick, tick_state) ->
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Tick#tick_state{timer = erlang:send_after(Delay * 1000, self(), tick)}.
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