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// 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"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/versioner"
)
func init() {
folderFactories[config.FolderTypeSendOnly] = newSendOnlyFolder
}
type sendOnlyFolder struct {
folder
config.FolderConfiguration
}
func newSendOnlyFolder(model *Model, cfg config.FolderConfiguration, _ versioner.Versioner, _ *fs.MtimeFS) service {
return &sendOnlyFolder{
folder: folder{
stateTracker: newStateTracker(cfg.ID),
scan: newFolderScanner(cfg),
stop: make(chan struct{}),
model: model,
},
FolderConfiguration: cfg,
}
}
func (f *sendOnlyFolder) 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 scan of", f.Description(), "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", f.Description())
initialScanCompleted = true
}
if f.scan.HasNoInterval() {
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 *sendOnlyFolder) String() string {
return fmt.Sprintf("sendOnlyFolder/%s@%p", f.folderID, f)
}
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