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.
114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
// Copyright (C) 2015 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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"sync"
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"time"
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"github.com/syncthing/syncthing/internal/events"
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)
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type folderState int
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const (
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FolderIdle folderState = iota
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FolderScanning
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FolderSyncing
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FolderError
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)
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func (s folderState) String() string {
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switch s {
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case FolderIdle:
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return "idle"
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case FolderScanning:
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return "scanning"
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case FolderSyncing:
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return "syncing"
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case FolderError:
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return "error"
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default:
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return "unknown"
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}
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}
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type stateTracker struct {
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folder string
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mut sync.Mutex
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current folderState
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err error
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changed time.Time
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}
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// setState sets the new folder state, for states other than FolderError.
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func (s *stateTracker) setState(newState folderState) {
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if newState == FolderError {
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panic("must use setError")
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}
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s.mut.Lock()
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if newState != s.current {
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/* This should hold later...
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if s.current != FolderIdle && (newState == FolderScanning || newState == FolderSyncing) {
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panic("illegal state transition " + s.current.String() + " -> " + newState.String())
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}
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*/
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eventData := map[string]interface{}{
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"folder": s.folder,
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"to": newState.String(),
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"from": s.current.String(),
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}
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if !s.changed.IsZero() {
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eventData["duration"] = time.Since(s.changed).Seconds()
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}
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s.current = newState
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s.err = nil
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s.changed = time.Now()
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events.Default.Log(events.StateChanged, eventData)
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}
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s.mut.Unlock()
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}
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// getState returns the current state, the time when it last changed, and the
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// current error or nil.
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func (s *stateTracker) getState() (current folderState, changed time.Time, err error) {
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s.mut.Lock()
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current, changed, err = s.current, s.changed, s.err
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s.mut.Unlock()
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return
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}
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// setError sets the folder state to FolderError with the specified error.
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func (s *stateTracker) setError(err error) {
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s.mut.Lock()
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if s.current != FolderError || s.err.Error() != err.Error() {
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eventData := map[string]interface{}{
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"folder": s.folder,
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"to": FolderError.String(),
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"from": s.current.String(),
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"error": err.Error(),
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}
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if !s.changed.IsZero() {
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eventData["duration"] = time.Since(s.changed).Seconds()
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}
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s.current = FolderError
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s.err = err
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s.changed = time.Now()
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events.Default.Log(events.StateChanged, eventData)
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}
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s.mut.Unlock()
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}
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