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aa803ce2ff
The "Invalid" config attribute is retained for errors discovered during config loading (empty path, duplicate ID). This can only be set or cleared at config loading time. Errors discovered during runtime (I/O problems, etc) are now in the folder state instead. Changes to these are sent as any other folder state change.
103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package model
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import (
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"fmt"
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"math/rand"
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"time"
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)
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type roFolder struct {
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stateTracker
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folder string
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intv time.Duration
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model *Model
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stop chan struct{}
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}
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func newROFolder(model *Model, folder string, interval time.Duration) *roFolder {
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return &roFolder{
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stateTracker: stateTracker{folder: folder},
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folder: folder,
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intv: interval,
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model: model,
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stop: make(chan struct{}),
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}
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}
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func (s *roFolder) Serve() {
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if debug {
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l.Debugln(s, "starting")
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defer l.Debugln(s, "exiting")
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}
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timer := time.NewTimer(time.Millisecond)
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defer timer.Stop()
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reschedule := func() {
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// Sleep a random time between 3/4 and 5/4 of the configured interval.
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sleepNanos := (s.intv.Nanoseconds()*3 + rand.Int63n(2*s.intv.Nanoseconds())) / 4
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timer.Reset(time.Duration(sleepNanos) * time.Nanosecond)
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}
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initialScanCompleted := false
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for {
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select {
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case <-s.stop:
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return
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case <-timer.C:
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if err := s.model.CheckFolderHealth(s.folder); err != nil {
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l.Infoln("Skipping folder", s.folder, "scan due to folder error:", err)
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reschedule()
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continue
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}
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if debug {
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l.Debugln(s, "rescan")
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}
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if err := s.model.ScanFolder(s.folder); err != nil {
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// Potentially sets the error twice, once in the scanner just
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// by doing a check, and once here, if the error returned is
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// the same one as returned by CheckFolderHealth, though
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// duplicate set is handled by setError.
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s.setError(err)
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reschedule()
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continue
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}
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if !initialScanCompleted {
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l.Infoln("Completed initial scan (ro) of folder", s.folder)
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initialScanCompleted = true
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}
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if s.intv == 0 {
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return
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}
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reschedule()
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}
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}
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}
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func (s *roFolder) Stop() {
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close(s.stop)
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}
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func (s *roFolder) String() string {
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return fmt.Sprintf("roFolder/%s@%p", s.folder, s)
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}
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func (s *roFolder) BringToFront(string) {}
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func (s *roFolder) Jobs() ([]string, []string) {
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return nil, nil
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}
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