113 lines
2.7 KiB
Go
113 lines
2.7 KiB
Go
/*
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Package workers provides index, sync, and metadata optimization background workers.
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Copyright (c) 2018 - 2022 PhotoPrism UG. All rights reserved.
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This program is free software: you can redistribute it and/or modify
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it under Version 3 of the GNU Affero General Public License (the "AGPL"):
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<https://docs.photoprism.app/license/agpl>
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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The AGPL is supplemented by our Trademark and Brand Guidelines,
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which describe how our Brand Assets may be used:
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<https://photoprism.app/trademark>
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Feel free to send an email to hello@photoprism.app if you have questions,
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want to support our work, or just want to say hello.
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Additional information can be found in our Developer Guide:
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<https://docs.photoprism.app/developer-guide/>
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*/
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package workers
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import (
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"time"
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"github.com/photoprism/photoprism/internal/config"
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"github.com/photoprism/photoprism/internal/entity"
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"github.com/photoprism/photoprism/internal/event"
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"github.com/photoprism/photoprism/internal/mutex"
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)
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var log = event.Log
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var stop = make(chan bool, 1)
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// Start runs the metadata, share & sync background workers at regular intervals.
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func Start(conf *config.Config) {
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interval := conf.WakeupInterval()
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// Disabled in safe mode?
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if interval.Seconds() <= 0 {
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log.Warnf("config: disabled metadata, share & sync background workers")
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return
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}
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ticker := time.NewTicker(interval)
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go func() {
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for {
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select {
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case <-stop:
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log.Info("shutting down workers")
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ticker.Stop()
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mutex.MetaWorker.Cancel()
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mutex.ShareWorker.Cancel()
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mutex.SyncWorker.Cancel()
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return
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case <-ticker.C:
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StartMeta(conf)
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StartShare(conf)
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StartSync(conf)
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}
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}
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}()
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}
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// Stop shuts down all service workers.
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func Stop() {
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stop <- true
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}
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// StartMeta runs the metadata worker once.
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func StartMeta(conf *config.Config) {
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if !mutex.WorkersBusy() {
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go func() {
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worker := NewMeta(conf)
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delay := time.Minute
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interval := entity.MetadataUpdateInterval
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if err := worker.Start(delay, interval, false); err != nil {
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log.Warnf("metadata: %s", err)
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}
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}()
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}
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}
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// StartShare runs the share worker once.
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func StartShare(conf *config.Config) {
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if !mutex.ShareWorker.Busy() {
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go func() {
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worker := NewShare(conf)
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if err := worker.Start(); err != nil {
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log.Warnf("share: %s", err)
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}
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}()
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}
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}
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// StartSync runs the sync worker once.
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func StartSync(conf *config.Config) {
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if !mutex.SyncWorker.Busy() {
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go func() {
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worker := NewSync(conf)
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if err := worker.Start(); err != nil {
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log.Warnf("sync: %s", err)
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}
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}()
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}
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}
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