mirror of
https://github.com/syncthing/syncthing.git
synced 2024-11-16 18:41:59 -07:00
101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
package model
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/syncthing/syncthing/lib/config"
|
|
"github.com/syncthing/syncthing/lib/sync"
|
|
"github.com/syncthing/syncthing/lib/versioner"
|
|
)
|
|
|
|
func init() {
|
|
folderFactories[config.FolderTypeReadOnly] = newROFolder
|
|
}
|
|
|
|
type roFolder struct {
|
|
folder
|
|
}
|
|
|
|
func newROFolder(model *Model, cfg config.FolderConfiguration, ver versioner.Versioner) service {
|
|
return &roFolder{
|
|
folder: folder{
|
|
stateTracker: stateTracker{
|
|
folderID: cfg.ID,
|
|
mut: sync.NewMutex(),
|
|
},
|
|
scan: folderscan{
|
|
interval: time.Duration(cfg.RescanIntervalS) * time.Second,
|
|
timer: time.NewTimer(time.Millisecond),
|
|
now: make(chan rescanRequest),
|
|
delay: make(chan time.Duration),
|
|
},
|
|
stop: make(chan struct{}),
|
|
model: model,
|
|
},
|
|
}
|
|
}
|
|
|
|
func (f *roFolder) Serve() {
|
|
l.Debugln(f, "starting")
|
|
defer l.Debugln(f, "exiting")
|
|
|
|
defer func() {
|
|
f.scan.timer.Stop()
|
|
}()
|
|
|
|
initialScanCompleted := false
|
|
for {
|
|
select {
|
|
case <-f.stop:
|
|
return
|
|
|
|
case <-f.scan.timer.C:
|
|
if err := f.model.CheckFolderHealth(f.folderID); err != nil {
|
|
l.Infoln("Skipping folder", f.folderID, "scan due to folder error:", err)
|
|
f.scan.reschedule()
|
|
continue
|
|
}
|
|
|
|
l.Debugln(f, "rescan")
|
|
|
|
if err := f.model.internalScanFolderSubdirs(f.folderID, nil); err != nil {
|
|
// Potentially sets the error twice, once in the scanner just
|
|
// by doing a check, and once here, if the error returned is
|
|
// the same one as returned by CheckFolderHealth, though
|
|
// duplicate set is handled by setError.
|
|
f.setError(err)
|
|
f.scan.reschedule()
|
|
continue
|
|
}
|
|
|
|
if !initialScanCompleted {
|
|
l.Infoln("Completed initial scan (ro) of folder", f.folderID)
|
|
initialScanCompleted = true
|
|
}
|
|
|
|
if f.scan.interval == 0 {
|
|
continue
|
|
}
|
|
|
|
f.scan.reschedule()
|
|
|
|
case req := <-f.scan.now:
|
|
req.err <- f.scanSubdirsIfHealthy(req.subdirs)
|
|
|
|
case next := <-f.scan.delay:
|
|
f.scan.timer.Reset(next)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (f *roFolder) String() string {
|
|
return fmt.Sprintf("roFolder/%s@%p", f.folderID, f)
|
|
}
|