64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
//
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// Copyright ⓒ 2023 Chakib Ben Ziane <contact@blob42.xyz> and [`GoSuki` contributors]
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// (https://github.com/blob42/gosuki/graphs/contributors).
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//
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// All rights reserved.
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This file is part of GoSuki.
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//
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// GoSuki is free software: you can redistribute it and/or modify it under the terms of
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// the GNU Affero General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// GoSuki is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License along with
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// gosuki. If not, see <http://www.gnu.org/licenses/>.
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package watch
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import "time"
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// Run reducer in its own thread when the watcher is started
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// It receives a struct{event, func} and runs the func only once in the interval
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func ReduceEvents(interval time.Duration,
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w WatchRunner) {
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watch := w.Watch()
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log.Debugf("starting reducer service for %s", watch.ID)
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eventsIn := w.Watch().eventsChan
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timer := time.NewTimer(interval)
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beat := time.NewTicker(1 * time.Second).C
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var events []bool
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for {
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select {
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case <-eventsIn:
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// log.Debug("[reducuer] received event, resetting watch interval !")
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timer.Reset(interval)
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events = append(events, true)
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case <-beat:
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// log.Debugf("reducer beat %s", watch.ID)
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case <-timer.C:
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if len(events) > 0 {
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log.Debug("<reduce>: calling Run()")
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w.Run()
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// Empty events queue
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events = make([]bool, 0)
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}
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case _, ok := <-eventsIn:
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if !ok {
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log.Warningf("Events channel closed for %s", watch.ID)
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return // Exit the function or handle the closed channel case
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}
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}
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}
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}
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