mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 04:36:43 +00:00
6bd0739013
- GODT-1158: simple on-disk cache in store - GODT-1158: better member naming in event loop - GODT-1158: create on-disk cache during bridge setup - GODT-1158: better job options - GODT-1158: rename GetLiteral to GetRFC822 - GODT-1158: rename events -> currentEvents - GODT-1158: unlock cache per-user - GODT-1158: clean up cache after logout - GODT-1158: randomized encrypted cache passphrase - GODT-1158: Opt out of on-disk cache in settings - GODT-1158: free space in cache - GODT-1158: make tests compile - GODT-1158: optional compression - GODT-1158: cache custom location - GODT-1158: basic capacity checker - GODT-1158: cache free space config - GODT-1158: only unlock cache if pmapi client is unlocked as well - GODT-1158: simple background sync worker - GODT-1158: set size/bodystructure when caching message - GODT-1158: limit store db update blocking with semaphore - GODT-1158: dumb 10-semaphore - GODT-1158: properly handle delete; remove bad bodystructure handling - GODT-1158: hacky fix for caching after logout... baaaaad - GODT-1158: cache worker - GODT-1158: compute body structure lazily - GODT-1158: cache size in store - GODT-1158: notify cacher when adding to store - GODT-1158: 15 second store cache watcher - GODT-1158: enable cacher - GODT-1158: better cache worker starting/stopping - GODT-1158: limit cacher to less concurrency than disk cache - GODT-1158: message builder prio + pchan pkg - GODT-1158: fix pchan, use in message builder - GODT-1158: no sem in cacher (rely on message builder prio) - GODT-1158: raise priority of existing jobs when requested - GODT-1158: pending messages in on-disk cache - GODT-1158: WIP just a note about deleting messages from disk cache - GODT-1158: pending wait when trying to write - GODT-1158: pending.add to return bool - GODT-1225: Headers in bodystructure are stored as bytes. - GODT-1158: fixing header caching - GODT-1158: don't cache in background - GODT-1158: all concurrency set in settings - GODT-1158: worker pools inside message builder - GODT-1158: fix linter issues - GODT-1158: remove completed builds from builder - GODT-1158: remove builder pool - GODT-1158: cacher defer job done properly - GODT-1158: fix linter - GODT-1299: Continue with bodystructure build if deserialization failed - GODT-1324: Delete messages from the cache when they are deleted on the server - GODT-1158: refactor cache tests - GODT-1158: move builder to app/bridge - GODT-1306: Migrate cache on disk when location is changed (and delete when disabled)
105 lines
2.1 KiB
Go
105 lines
2.1 KiB
Go
// Copyright (c) 2021 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ProtonMail Bridge 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package store
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import (
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"sync"
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"github.com/sirupsen/logrus"
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)
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type Cacher struct {
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storer Storer
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jobs chan string
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done chan struct{}
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started bool
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wg *sync.WaitGroup
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}
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type Storer interface {
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IsCached(messageID string) bool
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BuildAndCacheMessage(messageID string) error
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}
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func newCacher(storer Storer) *Cacher {
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return &Cacher{
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storer: storer,
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jobs: make(chan string),
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done: make(chan struct{}),
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wg: &sync.WaitGroup{},
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}
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}
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// newJob sends a new job to the cacher if it's running.
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func (cacher *Cacher) newJob(messageID string) {
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if !cacher.started {
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return
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}
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select {
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case <-cacher.done:
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return
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default:
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if !cacher.storer.IsCached(messageID) {
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cacher.wg.Add(1)
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go func() { cacher.jobs <- messageID }()
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}
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}
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}
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func (cacher *Cacher) start() {
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cacher.started = true
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go func() {
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for {
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select {
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case messageID := <-cacher.jobs:
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go cacher.handleJob(messageID)
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case <-cacher.done:
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return
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}
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}
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}()
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}
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func (cacher *Cacher) handleJob(messageID string) {
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defer cacher.wg.Done()
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if err := cacher.storer.BuildAndCacheMessage(messageID); err != nil {
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logrus.WithError(err).Error("Failed to build and cache message")
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} else {
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logrus.WithField("messageID", messageID).Trace("Message cached")
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}
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}
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func (cacher *Cacher) stop() {
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cacher.started = false
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cacher.wg.Wait()
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select {
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case <-cacher.done:
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return
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default:
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close(cacher.done)
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}
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}
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