lib/db: Keep folder meta data persistently in db (fixes #4400)

This keeps the data we need about sequence numbers and object counts
persistently in the database. The sizeTracker is expanded into a
metadataTracker than handled multiple folders, and the Counts struct is
made protobuf serializable. It gains a Sequence field to assist in
tracking that as well, and a collection of Counts become a CountsSet
(for serialization purposes).

The initial database scan is also a consistency check of the global
entries. This shouldn't strictly be necessary. Nonetheless I added a
created timestamp to the metadata and set a variable to compare against
that. When the time since the metadata creation is old enough, we drop
the metadata and rebuild from scratch like we used to, while also
consistency checking.

A new environment variable STCHECKDBEVERY can override this interval,
and for example be set to zero to force the check immediately.

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4547
LGTM: imsodin
This commit is contained in:
Jakob Borg 2017-12-14 09:51:17 +00:00 committed by Audrius Butkevicius
parent 8c91ced784
commit d1d967f0cf
14 changed files with 908 additions and 265 deletions

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@ -197,6 +197,11 @@ are mostly useful for developers. Use with care.
"minio" for the github.com/minio/sha256-simd implementation,
and blank (the default) for auto detection.
STDBCHECKEVERY Set to a time interval to override the default database
check interval of 30 days (720h). The interval understands
"h", "m" and "s" abbreviations for hours minutes and seconds.
Valid values are like "720h", "30s", etc.
GOMAXPROCS Set the maximum number of CPU cores to use. Defaults to all
available CPU cores.

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@ -51,10 +51,10 @@ func reportData(cfg configIntf, m modelIntf, connectionsService connectionsIntf,
var totBytes, maxBytes int64
for folderID := range cfg.Folders() {
global := m.GlobalSize(folderID)
totFiles += global.Files
totFiles += int(global.Files)
totBytes += global.Bytes
if global.Files > maxFiles {
maxFiles = global.Files
if int(global.Files) > maxFiles {
maxFiles = int(global.Files)
}
if global.Bytes > maxBytes {
maxBytes = global.Bytes

View File

@ -25,6 +25,7 @@ const (
KeyTypeFolderIdx
KeyTypeDeviceIdx
KeyTypeIndexID
KeyTypeFolderMeta
)
func (l VersionList) String() string {

View File

@ -93,12 +93,11 @@ func (db *Instance) Location() string {
return db.location
}
func (db *Instance) updateFiles(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker) {
func (db *Instance) updateFiles(folder, device []byte, fs []protocol.FileInfo, meta *metadataTracker) {
t := db.newReadWriteTransaction()
defer t.close()
var fk []byte
isLocalDevice := bytes.Equal(device, protocol.LocalDeviceID[:])
for _, f := range fs {
name := []byte(f.Name)
fk = db.deviceKeyInto(fk[:cap(fk)], folder, device, name)
@ -116,15 +115,14 @@ func (db *Instance) updateFiles(folder, device []byte, fs []protocol.FileInfo, l
continue
}
if isLocalDevice {
if err == nil {
localSize.removeFile(ef)
}
localSize.addFile(f)
devID := protocol.DeviceIDFromBytes(device)
if err == nil {
meta.removeFile(devID, ef)
}
meta.addFile(devID, f)
t.insertFile(folder, device, f)
t.updateGlobal(folder, device, f, globalSize)
t.updateGlobal(folder, device, f, meta)
// Write out and reuse the batch every few records, to avoid the batch
// growing too large and thus allocating unnecessarily much memory.
@ -465,7 +463,7 @@ func (db *Instance) dropFolder(folder []byte) {
dbi.Release()
}
func (db *Instance) dropDeviceFolder(device, folder []byte, globalSize *sizeTracker) {
func (db *Instance) dropDeviceFolder(device, folder []byte, meta *metadataTracker) {
t := db.newReadWriteTransaction()
defer t.close()
@ -475,13 +473,13 @@ func (db *Instance) dropDeviceFolder(device, folder []byte, globalSize *sizeTrac
for dbi.Next() {
key := dbi.Key()
name := db.deviceKeyName(key)
t.removeFromGlobal(folder, device, name, globalSize)
t.removeFromGlobal(folder, device, name, meta)
t.Delete(key)
t.checkFlush()
}
}
func (db *Instance) checkGlobals(folder []byte, globalSize *sizeTracker) {
func (db *Instance) checkGlobals(folder []byte, meta *metadataTracker) {
t := db.newReadWriteTransaction()
defer t.close()
@ -520,7 +518,7 @@ func (db *Instance) checkGlobals(folder []byte, globalSize *sizeTracker) {
if i == 0 {
if fi, ok := t.getFile(folder, version.Device, name); ok {
globalSize.addFile(fi)
meta.addFile(globalDeviceID, fi)
}
}
}
@ -760,6 +758,13 @@ func (db *Instance) mtimesKey(folder []byte) []byte {
return prefix
}
func (db *Instance) folderMetaKey(folder []byte) []byte {
prefix := make([]byte, 5) // key type + 4 bytes folder idx number
prefix[0] = KeyTypeFolderMeta
binary.BigEndian.PutUint32(prefix[1:], db.folderIdx.ID(folder))
return prefix
}
// DropDeltaIndexIDs removes all index IDs from the database. This will
// cause a full index transmission on the next connection.
func (db *Instance) DropDeltaIndexIDs() {
@ -770,6 +775,10 @@ func (db *Instance) dropMtimes(folder []byte) {
db.dropPrefix(db.mtimesKey(folder))
}
func (db *Instance) dropFolderMeta(folder []byte) {
db.dropPrefix(db.folderMetaKey(folder))
}
func (db *Instance) dropPrefix(prefix []byte) {
t := db.newReadWriteTransaction()
defer t.close()

View File

@ -85,7 +85,7 @@ func (t readWriteTransaction) insertFile(folder, device []byte, file protocol.Fi
// updateGlobal adds this device+version to the version list for the given
// file. If the device is already present in the list, the version is updated.
// If the file does not have an entry in the global list, it is created.
func (t readWriteTransaction) updateGlobal(folder, device []byte, file protocol.FileInfo, globalSize *sizeTracker) bool {
func (t readWriteTransaction) updateGlobal(folder, device []byte, file protocol.FileInfo, meta *metadataTracker) bool {
l.Debugf("update global; folder=%q device=%v file=%q version=%v invalid=%v", folder, protocol.DeviceIDFromBytes(device), file.Name, file.Version, file.Invalid)
name := []byte(file.Name)
gk := t.db.globalKey(folder, name)
@ -106,7 +106,7 @@ func (t readWriteTransaction) updateGlobal(folder, device []byte, file protocol.
if i == 0 {
// Keep the current newest file around so we can subtract it from
// the globalSize if we replace it.
// the metadata if we replace it.
oldFile, hasOldFile = t.getFile(folder, fl.Versions[0].Device, name)
}
@ -169,16 +169,16 @@ insert:
// We just inserted a new newest version. Fixup the global size
// calculation.
if !file.Version.Equal(oldFile.Version) {
globalSize.addFile(file)
meta.addFile(globalDeviceID, file)
if hasOldFile {
// We have the old file that was removed at the head of the list.
globalSize.removeFile(oldFile)
meta.removeFile(globalDeviceID, oldFile)
} else if len(fl.Versions) > 1 {
// The previous newest version is now at index 1, grab it from there.
if oldFile, ok := t.getFile(folder, fl.Versions[1].Device, name); ok {
// A failure to get the file here is surprising and our
// global size data will be incorrect until a restart...
globalSize.removeFile(oldFile)
meta.removeFile(globalDeviceID, oldFile)
}
}
}
@ -193,7 +193,7 @@ insert:
// removeFromGlobal removes the device from the global version list for the
// given file. If the version list is empty after this, the file entry is
// removed entirely.
func (t readWriteTransaction) removeFromGlobal(folder, device, file []byte, globalSize *sizeTracker) {
func (t readWriteTransaction) removeFromGlobal(folder, device, file []byte, meta *metadataTracker) {
l.Debugf("remove from global; folder=%q device=%v file=%q", folder, protocol.DeviceIDFromBytes(device), file)
gk := t.db.globalKey(folder, file)
@ -214,13 +214,13 @@ func (t readWriteTransaction) removeFromGlobal(folder, device, file []byte, glob
removed := false
for i := range fl.Versions {
if bytes.Equal(fl.Versions[i].Device, device) {
if i == 0 && globalSize != nil {
if i == 0 && meta != nil {
f, ok := t.getFile(folder, device, file)
if !ok {
// didn't exist anyway, apparently
continue
}
globalSize.removeFile(f)
meta.removeFile(globalDeviceID, f)
removed = true
}
fl.Versions = append(fl.Versions[:i], fl.Versions[i+1:]...)
@ -238,7 +238,7 @@ func (t readWriteTransaction) removeFromGlobal(folder, device, file []byte, glob
if f, ok := t.getFile(folder, fl.Versions[0].Device, file); ok {
// A failure to get the file here is surprising and our
// global size data will be incorrect until a restart...
globalSize.addFile(f)
meta.addFile(globalDeviceID, f)
}
}
}

220
lib/db/meta.go Normal file
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@ -0,0 +1,220 @@
// Copyright (C) 2017 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 https://mozilla.org/MPL/2.0/.
package db
import (
"time"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syncthing/syncthing/lib/sync"
)
// like protocol.LocalDeviceID but with 0xf8 in all positions
var globalDeviceID = protocol.DeviceID{0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8}
type metadataTracker struct {
mut sync.RWMutex
counts CountsSet
indexes map[protocol.DeviceID]int // device ID -> index in counts
}
func newMetadataTracker() *metadataTracker {
return &metadataTracker{
mut: sync.NewRWMutex(),
indexes: make(map[protocol.DeviceID]int),
}
}
// Unmarshal loads a metadataTracker from the corresponding protobuf
// representation
func (m *metadataTracker) Unmarshal(bs []byte) error {
if err := m.counts.Unmarshal(bs); err != nil {
return err
}
// Initialize the index map
for i, c := range m.counts.Counts {
m.indexes[protocol.DeviceIDFromBytes(c.DeviceID)] = i
}
return nil
}
// Unmarshal returns the protobuf representation of the metadataTracker
func (m *metadataTracker) Marshal() ([]byte, error) {
return m.counts.Marshal()
}
// toDB saves the marshalled metadataTracker to the given db, under the key
// corresponding to the given folder
func (m *metadataTracker) toDB(db *Instance, folder []byte) error {
key := db.folderMetaKey(folder)
bs, err := m.Marshal()
if err != nil {
return err
}
return db.Put(key, bs, nil)
}
// fromDB initializes the metadataTracker from the marshalled data found in
// the database under the key corresponding to the given folder
func (m *metadataTracker) fromDB(db *Instance, folder []byte) error {
key := db.folderMetaKey(folder)
bs, err := db.Get(key, nil)
if err != nil {
return err
}
return m.Unmarshal(bs)
}
// countsPtr returns a pointer to the corresponding Counts struct, if
// necessary allocating one in the process
func (m *metadataTracker) countsPtr(dev protocol.DeviceID) *Counts {
// must be called with the mutex held
idx, ok := m.indexes[dev]
if !ok {
idx = len(m.counts.Counts)
m.counts.Counts = append(m.counts.Counts, Counts{DeviceID: dev[:]})
m.indexes[dev] = idx
}
return &m.counts.Counts[idx]
}
// addFile adds a file to the counts, adjusting the sequence number as
// appropriate
func (m *metadataTracker) addFile(dev protocol.DeviceID, f FileIntf) {
if f.IsInvalid() {
return
}
m.mut.Lock()
cp := m.countsPtr(dev)
switch {
case f.IsDeleted():
cp.Deleted++
case f.IsDirectory() && !f.IsSymlink():
cp.Directories++
case f.IsSymlink():
cp.Symlinks++
default:
cp.Files++
}
cp.Bytes += f.FileSize()
if seq := f.SequenceNo(); seq > cp.Sequence {
cp.Sequence = seq
}
m.mut.Unlock()
}
// removeFile removes a file from the counts
func (m *metadataTracker) removeFile(dev protocol.DeviceID, f FileIntf) {
if f.IsInvalid() {
return
}
m.mut.Lock()
cp := m.countsPtr(dev)
switch {
case f.IsDeleted():
cp.Deleted--
case f.IsDirectory() && !f.IsSymlink():
cp.Directories--
case f.IsSymlink():
cp.Symlinks--
default:
cp.Files--
}
cp.Bytes -= f.FileSize()
if cp.Deleted < 0 || cp.Files < 0 || cp.Directories < 0 || cp.Symlinks < 0 {
panic("bug: removed more than added")
}
m.mut.Unlock()
}
// resetAll resets all metadata for the given device
func (m *metadataTracker) resetAll(dev protocol.DeviceID) {
m.mut.Lock()
*m.countsPtr(dev) = Counts{DeviceID: dev[:]}
m.mut.Unlock()
}
// resetCounts resets the file, dir, etc. counters, while retaining the
// sequence number
func (m *metadataTracker) resetCounts(dev protocol.DeviceID) {
m.mut.Lock()
c := m.countsPtr(dev)
c.Bytes = 0
c.Deleted = 0
c.Directories = 0
c.Files = 0
c.Symlinks = 0
// c.Sequence deliberately untouched
m.mut.Unlock()
}
// Counts returns the counts for the given device ID
func (m *metadataTracker) Counts(dev protocol.DeviceID) Counts {
m.mut.RLock()
defer m.mut.RUnlock()
idx, ok := m.indexes[dev]
if !ok {
return Counts{}
}
return m.counts.Counts[idx]
}
// nextSeq allocates a new sequence number for the given device
func (m *metadataTracker) nextSeq(dev protocol.DeviceID) int64 {
m.mut.Lock()
defer m.mut.Unlock()
c := m.countsPtr(dev)
c.Sequence++
return c.Sequence
}
// devices returns the list of devices tracked, excluding the local device
// (which we don't know the ID of)
func (m *metadataTracker) devices() []protocol.DeviceID {
devs := make([]protocol.DeviceID, 0, len(m.counts.Counts))
m.mut.RLock()
for _, dev := range m.counts.Counts {
if dev.Sequence > 0 {
id := protocol.DeviceIDFromBytes(dev.DeviceID)
if id == globalDeviceID || id == protocol.LocalDeviceID {
continue
}
devs = append(devs, id)
}
}
m.mut.RUnlock()
return devs
}
func (m *metadataTracker) Created() time.Time {
m.mut.RLock()
defer m.mut.RUnlock()
return time.Unix(0, m.counts.Created)
}
func (m *metadataTracker) SetCreated() {
m.mut.Lock()
m.counts.Created = time.Now().UnixNano()
m.mut.Unlock()
}

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@ -13,8 +13,8 @@
package db
import (
stdsync "sync"
"sync/atomic"
"os"
"time"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/osutil"
@ -23,16 +23,13 @@ import (
)
type FileSet struct {
sequence int64 // Our local sequence number
folder string
fs fs.Filesystem
db *Instance
blockmap *BlockMap
localSize sizeTracker
globalSize sizeTracker
folder string
fs fs.Filesystem
db *Instance
blockmap *BlockMap
meta *metadataTracker
remoteSequence map[protocol.DeviceID]int64 // Highest seen sequence numbers for other devices
updateMutex sync.Mutex // protects remoteSequence and database updates
updateMutex sync.Mutex // protects database updates and the corresponding metadata changes
}
// FileIntf is the set of methods implemented by both protocol.FileInfo and
@ -45,6 +42,7 @@ type FileIntf interface {
IsDirectory() bool
IsSymlink() bool
HasPermissionBits() bool
SequenceNo() int64
}
// The Iterator is called with either a protocol.FileInfo or a
@ -52,126 +50,76 @@ type FileIntf interface {
// continue iteration, false to stop.
type Iterator func(f FileIntf) bool
type Counts struct {
Files int
Directories int
Symlinks int
Deleted int
Bytes int64
}
var databaseRecheckInterval = 30 * 24 * time.Hour
type sizeTracker struct {
Counts
mut stdsync.Mutex
}
func (s *sizeTracker) addFile(f FileIntf) {
if f.IsInvalid() {
return
func init() {
if dur, err := time.ParseDuration(os.Getenv("STRECHECKDBEVERY")); err == nil {
databaseRecheckInterval = dur
}
s.mut.Lock()
switch {
case f.IsDeleted():
s.Deleted++
case f.IsDirectory() && !f.IsSymlink():
s.Directories++
case f.IsSymlink():
s.Symlinks++
default:
s.Files++
}
s.Bytes += f.FileSize()
s.mut.Unlock()
}
func (s *sizeTracker) removeFile(f FileIntf) {
if f.IsInvalid() {
return
}
s.mut.Lock()
switch {
case f.IsDeleted():
s.Deleted--
case f.IsDirectory() && !f.IsSymlink():
s.Directories--
case f.IsSymlink():
s.Symlinks--
default:
s.Files--
}
s.Bytes -= f.FileSize()
if s.Deleted < 0 || s.Files < 0 || s.Directories < 0 || s.Symlinks < 0 {
panic("bug: removed more than added")
}
s.mut.Unlock()
}
func (s *sizeTracker) reset() {
s.mut.Lock()
defer s.mut.Unlock()
s.Counts = Counts{}
}
func (s *sizeTracker) Size() Counts {
s.mut.Lock()
defer s.mut.Unlock()
return s.Counts
}
func NewFileSet(folder string, fs fs.Filesystem, db *Instance) *FileSet {
var s = FileSet{
remoteSequence: make(map[protocol.DeviceID]int64),
folder: folder,
fs: fs,
db: db,
blockmap: NewBlockMap(db, db.folderIdx.ID([]byte(folder))),
updateMutex: sync.NewMutex(),
folder: folder,
fs: fs,
db: db,
blockmap: NewBlockMap(db, db.folderIdx.ID([]byte(folder))),
meta: newMetadataTracker(),
updateMutex: sync.NewMutex(),
}
s.db.checkGlobals([]byte(folder), &s.globalSize)
var deviceID protocol.DeviceID
s.db.withAllFolderTruncated([]byte(folder), func(device []byte, f FileInfoTruncated) bool {
copy(deviceID[:], device)
if deviceID == protocol.LocalDeviceID {
if f.Sequence > s.sequence {
s.sequence = f.Sequence
}
s.localSize.addFile(f)
} else if f.Sequence > s.remoteSequence[deviceID] {
s.remoteSequence[deviceID] = f.Sequence
}
return true
})
l.Debugf("loaded sequence for %q: %#v", folder, s.sequence)
if err := s.meta.fromDB(db, []byte(folder)); err != nil {
l.Infof("No stored folder metadata for %q: recalculating", folder)
s.recalcCounts()
} else if age := time.Since(s.meta.Created()); age > databaseRecheckInterval {
l.Infof("Stored folder metadata for %q is %v old; recalculating", folder, age)
s.recalcCounts()
}
return &s
}
func (s *FileSet) recalcCounts() {
s.meta = newMetadataTracker()
s.db.checkGlobals([]byte(s.folder), s.meta)
var deviceID protocol.DeviceID
s.db.withAllFolderTruncated([]byte(s.folder), func(device []byte, f FileInfoTruncated) bool {
copy(deviceID[:], device)
s.meta.addFile(deviceID, f)
return true
})
s.meta.SetCreated()
s.meta.toDB(s.db, []byte(s.folder))
}
func (s *FileSet) Drop(device protocol.DeviceID) {
l.Debugf("%s Drop(%v)", s.folder, device)
s.updateMutex.Lock()
defer s.updateMutex.Unlock()
s.db.dropDeviceFolder(device[:], []byte(s.folder), &s.globalSize)
s.db.dropDeviceFolder(device[:], []byte(s.folder), s.meta)
if device == protocol.LocalDeviceID {
s.blockmap.Drop()
s.localSize.reset()
// We deliberately do not reset s.sequence here. Dropping all files
// for the local device ID only happens in testing - which expects
// the sequence to be retained, like an old Replace() of all files
// would do. However, if we ever did it "in production" we would
// anyway want to retain the sequence for delta indexes to be happy.
s.meta.resetCounts(device)
// We deliberately do not reset the sequence number here. Dropping
// all files for the local device ID only happens in testing - which
// expects the sequence to be retained, like an old Replace() of all
// files would do. However, if we ever did it "in production" we
// would anyway want to retain the sequence for delta indexes to be
// happy.
} else {
// Here, on the other hand, we want to make sure that any file
// announced from the remote is newer than our current sequence
// number.
s.remoteSequence[device] = 0
s.meta.resetAll(device)
}
s.meta.toDB(s.db, []byte(s.folder))
}
func (s *FileSet) Update(device protocol.DeviceID, fs []protocol.FileInfo) {
@ -181,12 +129,6 @@ func (s *FileSet) Update(device protocol.DeviceID, fs []protocol.FileInfo) {
s.updateMutex.Lock()
defer s.updateMutex.Unlock()
s.updateLocked(device, fs)
}
func (s *FileSet) updateLocked(device protocol.DeviceID, fs []protocol.FileInfo) {
// names must be normalized and the lock held
if device == protocol.LocalDeviceID {
discards := make([]protocol.FileInfo, 0, len(fs))
updates := make([]protocol.FileInfo, 0, len(fs))
@ -200,7 +142,7 @@ func (s *FileSet) updateLocked(device protocol.DeviceID, fs []protocol.FileInfo)
continue
}
nf.Sequence = atomic.AddInt64(&s.sequence, 1)
nf.Sequence = s.meta.nextSeq(protocol.LocalDeviceID)
fs = append(fs, nf)
if ok {
@ -210,10 +152,10 @@ func (s *FileSet) updateLocked(device protocol.DeviceID, fs []protocol.FileInfo)
}
s.blockmap.Discard(discards)
s.blockmap.Update(updates)
} else {
s.remoteSequence[device] = maxSequence(fs)
}
s.db.updateFiles([]byte(s.folder), device[:], fs, &s.localSize, &s.globalSize)
s.db.updateFiles([]byte(s.folder), device[:], fs, s.meta)
s.meta.toDB(s.db, []byte(s.folder))
}
func (s *FileSet) WithNeed(device protocol.DeviceID, fn Iterator) {
@ -298,21 +240,15 @@ func (s *FileSet) Availability(file string) []protocol.DeviceID {
}
func (s *FileSet) Sequence(device protocol.DeviceID) int64 {
if device == protocol.LocalDeviceID {
return atomic.LoadInt64(&s.sequence)
}
s.updateMutex.Lock()
defer s.updateMutex.Unlock()
return s.remoteSequence[device]
return s.meta.Counts(device).Sequence
}
func (s *FileSet) LocalSize() Counts {
return s.localSize.Size()
return s.meta.Counts(protocol.LocalDeviceID)
}
func (s *FileSet) GlobalSize() Counts {
return s.globalSize.Size()
return s.meta.Counts(globalDeviceID)
}
func (s *FileSet) IndexID(device protocol.DeviceID) protocol.IndexID {
@ -339,29 +275,7 @@ func (s *FileSet) MtimeFS() *fs.MtimeFS {
}
func (s *FileSet) ListDevices() []protocol.DeviceID {
s.updateMutex.Lock()
devices := make([]protocol.DeviceID, 0, len(s.remoteSequence))
for id, seq := range s.remoteSequence {
if seq > 0 {
devices = append(devices, id)
}
}
s.updateMutex.Unlock()
return devices
}
// maxSequence returns the highest of the Sequence numbers found in
// the given slice of FileInfos. This should really be the Sequence of
// the last item, but Syncthing v0.14.0 and other implementations may not
// implement update sorting....
func maxSequence(fs []protocol.FileInfo) int64 {
var max int64
for _, f := range fs {
if f.Sequence > max {
max = f.Sequence
}
}
return max
return s.meta.devices()
}
// DropFolder clears out all information related to the given folder from the
@ -369,6 +283,7 @@ func maxSequence(fs []protocol.FileInfo) int64 {
func DropFolder(db *Instance, folder string) {
db.dropFolder([]byte(folder))
db.dropMtimes([]byte(folder))
db.dropFolderMeta([]byte(folder))
bm := &BlockMap{
db: db,
folder: db.folderIdx.ID([]byte(folder)),

View File

@ -169,7 +169,7 @@ func TestGlobalSet(t *testing.T) {
t.Errorf("Global incorrect;\n A: %v !=\n E: %v", g, expectedGlobal)
}
globalFiles, globalDirectories, globalDeleted, globalBytes := 0, 0, 0, int64(0)
globalFiles, globalDirectories, globalDeleted, globalBytes := int32(0), int32(0), int32(0), int64(0)
for _, f := range g {
if f.IsInvalid() {
continue
@ -205,7 +205,7 @@ func TestGlobalSet(t *testing.T) {
t.Errorf("Have incorrect;\n A: %v !=\n E: %v", h, localTot)
}
haveFiles, haveDirectories, haveDeleted, haveBytes := 0, 0, 0, int64(0)
haveFiles, haveDirectories, haveDeleted, haveBytes := int32(0), int32(0), int32(0), int64(0)
for _, f := range h {
if f.IsInvalid() {
continue

View File

@ -64,6 +64,10 @@ func (f FileInfoTruncated) ModTime() time.Time {
return time.Unix(f.ModifiedS, int64(f.ModifiedNs))
}
func (f FileInfoTruncated) SequenceNo() int64 {
return f.Sequence
}
func (f FileInfoTruncated) ConvertToInvalidFileInfo(invalidatedBy protocol.ShortID) protocol.FileInfo {
return protocol.FileInfo{
Name: f.Name,

View File

@ -11,6 +11,8 @@
FileVersion
VersionList
FileInfoTruncated
Counts
CountsSet
*/
package db
@ -75,10 +77,39 @@ func (m *FileInfoTruncated) Reset() { *m = FileInfoTruncated{
func (*FileInfoTruncated) ProtoMessage() {}
func (*FileInfoTruncated) Descriptor() ([]byte, []int) { return fileDescriptorStructs, []int{2} }
// For each folder and device we keep one of these to track the current
// counts and sequence. We also keep one for the global state of the folder.
type Counts struct {
Files int32 `protobuf:"varint,1,opt,name=files,proto3" json:"files,omitempty"`
Directories int32 `protobuf:"varint,2,opt,name=directories,proto3" json:"directories,omitempty"`
Symlinks int32 `protobuf:"varint,3,opt,name=symlinks,proto3" json:"symlinks,omitempty"`
Deleted int32 `protobuf:"varint,4,opt,name=deleted,proto3" json:"deleted,omitempty"`
Bytes int64 `protobuf:"varint,5,opt,name=bytes,proto3" json:"bytes,omitempty"`
Sequence int64 `protobuf:"varint,6,opt,name=sequence,proto3" json:"sequence,omitempty"`
DeviceID []byte `protobuf:"bytes,17,opt,name=deviceID,proto3" json:"deviceID,omitempty"`
}
func (m *Counts) Reset() { *m = Counts{} }
func (m *Counts) String() string { return proto.CompactTextString(m) }
func (*Counts) ProtoMessage() {}
func (*Counts) Descriptor() ([]byte, []int) { return fileDescriptorStructs, []int{3} }
type CountsSet struct {
Counts []Counts `protobuf:"bytes,1,rep,name=counts" json:"counts"`
Created int64 `protobuf:"varint,2,opt,name=created,proto3" json:"created,omitempty"`
}
func (m *CountsSet) Reset() { *m = CountsSet{} }
func (m *CountsSet) String() string { return proto.CompactTextString(m) }
func (*CountsSet) ProtoMessage() {}
func (*CountsSet) Descriptor() ([]byte, []int) { return fileDescriptorStructs, []int{4} }
func init() {
proto.RegisterType((*FileVersion)(nil), "db.FileVersion")
proto.RegisterType((*VersionList)(nil), "db.VersionList")
proto.RegisterType((*FileInfoTruncated)(nil), "db.FileInfoTruncated")
proto.RegisterType((*Counts)(nil), "db.Counts")
proto.RegisterType((*CountsSet)(nil), "db.CountsSet")
}
func (m *FileVersion) Marshal() (dAtA []byte, err error) {
size := m.ProtoSize()
@ -257,6 +288,97 @@ func (m *FileInfoTruncated) MarshalTo(dAtA []byte) (int, error) {
return i, nil
}
func (m *Counts) Marshal() (dAtA []byte, err error) {
size := m.ProtoSize()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *Counts) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if m.Files != 0 {
dAtA[i] = 0x8
i++
i = encodeVarintStructs(dAtA, i, uint64(m.Files))
}
if m.Directories != 0 {
dAtA[i] = 0x10
i++
i = encodeVarintStructs(dAtA, i, uint64(m.Directories))
}
if m.Symlinks != 0 {
dAtA[i] = 0x18
i++
i = encodeVarintStructs(dAtA, i, uint64(m.Symlinks))
}
if m.Deleted != 0 {
dAtA[i] = 0x20
i++
i = encodeVarintStructs(dAtA, i, uint64(m.Deleted))
}
if m.Bytes != 0 {
dAtA[i] = 0x28
i++
i = encodeVarintStructs(dAtA, i, uint64(m.Bytes))
}
if m.Sequence != 0 {
dAtA[i] = 0x30
i++
i = encodeVarintStructs(dAtA, i, uint64(m.Sequence))
}
if len(m.DeviceID) > 0 {
dAtA[i] = 0x8a
i++
dAtA[i] = 0x1
i++
i = encodeVarintStructs(dAtA, i, uint64(len(m.DeviceID)))
i += copy(dAtA[i:], m.DeviceID)
}
return i, nil
}
func (m *CountsSet) Marshal() (dAtA []byte, err error) {
size := m.ProtoSize()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *CountsSet) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if len(m.Counts) > 0 {
for _, msg := range m.Counts {
dAtA[i] = 0xa
i++
i = encodeVarintStructs(dAtA, i, uint64(msg.ProtoSize()))
n, err := msg.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n
}
}
if m.Created != 0 {
dAtA[i] = 0x10
i++
i = encodeVarintStructs(dAtA, i, uint64(m.Created))
}
return i, nil
}
func encodeFixed64Structs(dAtA []byte, offset int, v uint64) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
@ -357,6 +479,49 @@ func (m *FileInfoTruncated) ProtoSize() (n int) {
return n
}
func (m *Counts) ProtoSize() (n int) {
var l int
_ = l
if m.Files != 0 {
n += 1 + sovStructs(uint64(m.Files))
}
if m.Directories != 0 {
n += 1 + sovStructs(uint64(m.Directories))
}
if m.Symlinks != 0 {
n += 1 + sovStructs(uint64(m.Symlinks))
}
if m.Deleted != 0 {
n += 1 + sovStructs(uint64(m.Deleted))
}
if m.Bytes != 0 {
n += 1 + sovStructs(uint64(m.Bytes))
}
if m.Sequence != 0 {
n += 1 + sovStructs(uint64(m.Sequence))
}
l = len(m.DeviceID)
if l > 0 {
n += 2 + l + sovStructs(uint64(l))
}
return n
}
func (m *CountsSet) ProtoSize() (n int) {
var l int
_ = l
if len(m.Counts) > 0 {
for _, e := range m.Counts {
l = e.ProtoSize()
n += 1 + l + sovStructs(uint64(l))
}
}
if m.Created != 0 {
n += 1 + sovStructs(uint64(m.Created))
}
return n
}
func sovStructs(x uint64) (n int) {
for {
n++
@ -913,6 +1078,301 @@ func (m *FileInfoTruncated) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *Counts) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: Counts: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: Counts: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Files", wireType)
}
m.Files = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Files |= (int32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 2:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Directories", wireType)
}
m.Directories = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Directories |= (int32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 3:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Symlinks", wireType)
}
m.Symlinks = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Symlinks |= (int32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 4:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Deleted", wireType)
}
m.Deleted = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Deleted |= (int32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 5:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Bytes", wireType)
}
m.Bytes = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Bytes |= (int64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 6:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Sequence", wireType)
}
m.Sequence = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Sequence |= (int64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 17:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field DeviceID", wireType)
}
var byteLen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
byteLen |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if byteLen < 0 {
return ErrInvalidLengthStructs
}
postIndex := iNdEx + byteLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.DeviceID = append(m.DeviceID[:0], dAtA[iNdEx:postIndex]...)
if m.DeviceID == nil {
m.DeviceID = []byte{}
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipStructs(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthStructs
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func (m *CountsSet) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: CountsSet: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: CountsSet: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Counts", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthStructs
}
postIndex := iNdEx + msglen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Counts = append(m.Counts, Counts{})
if err := m.Counts[len(m.Counts)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
case 2:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Created", wireType)
}
m.Created = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowStructs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Created |= (int64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
default:
iNdEx = preIndex
skippy, err := skipStructs(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthStructs
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipStructs(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
@ -1021,36 +1481,43 @@ var (
func init() { proto.RegisterFile("structs.proto", fileDescriptorStructs) }
var fileDescriptorStructs = []byte{
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}

View File

@ -37,3 +37,20 @@ message FileInfoTruncated {
int64 sequence = 10;
string symlink_target = 17;
}
// For each folder and device we keep one of these to track the current
// counts and sequence. We also keep one for the global state of the folder.
message Counts {
int32 files = 1;
int32 directories = 2;
int32 symlinks = 3;
int32 deleted = 4;
int64 bytes = 5;
int64 sequence = 6; // zero for the global state
bytes deviceID = 17; // device ID for remote devices, or special values for local/global
}
message CountsSet {
repeated Counts counts = 1 [(gogoproto.nullable) = false];
int64 created = 2; // unix nanos
}

View File

@ -179,6 +179,7 @@ func genFiles(n int) []protocol.FileInfo {
ModifiedS: t,
Sequence: int64(i + 1),
Blocks: []protocol.BlockInfo{{Offset: 0, Size: 100, Hash: []byte("some hash bytes")}},
Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 1}}},
}
}
@ -1345,7 +1346,7 @@ func TestROScanRecovery(t *testing.T) {
ldb := db.OpenMemory()
set := db.NewFileSet("default", defaultFs, ldb)
set.Update(protocol.LocalDeviceID, []protocol.FileInfo{
{Name: "dummyfile"},
{Name: "dummyfile", Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 1}}}},
})
fcfg := config.FolderConfiguration{
@ -1433,7 +1434,7 @@ func TestRWScanRecovery(t *testing.T) {
ldb := db.OpenMemory()
set := db.NewFileSet("default", defaultFs, ldb)
set.Update(protocol.LocalDeviceID, []protocol.FileInfo{
{Name: "dummyfile"},
{Name: "dummyfile", Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 1}}}},
})
fcfg := config.FolderConfiguration{
@ -2530,7 +2531,7 @@ func TestIssue3496(t *testing.T) {
// The one we added synthetically above
t.Errorf("Incorrect need size; %d, %d != 1, 1234", need.Files, need.Bytes)
}
if need.Deleted != len(localFiles)-1 {
if int(need.Deleted) != len(localFiles)-1 {
// The rest
t.Errorf("Incorrect need deletes; %d != %d", need.Deleted, len(localFiles)-1)
}

View File

@ -306,7 +306,7 @@ type FileInfo struct {
NoPermissions bool `protobuf:"varint,8,opt,name=no_permissions,json=noPermissions,proto3" json:"no_permissions,omitempty"`
Version Vector `protobuf:"bytes,9,opt,name=version" json:"version"`
Sequence int64 `protobuf:"varint,10,opt,name=sequence,proto3" json:"sequence,omitempty"`
Blocks []BlockInfo `protobuf:"bytes,16,rep,name=Blocks,json=blocks" json:"Blocks"`
Blocks []BlockInfo `protobuf:"bytes,16,rep,name=Blocks" json:"Blocks"`
SymlinkTarget string `protobuf:"bytes,17,opt,name=symlink_target,json=symlinkTarget,proto3" json:"symlink_target,omitempty"`
}
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0xfb, 0xab, 0xb5, 0x8a, 0x52, 0xc0, 0x58, 0x35, 0x0f, 0xa1, 0x84, 0xb5, 0x41, 0xbf, 0xa7, 0x0f,
0x34, 0x49, 0x54, 0x7e, 0xb0, 0x5a, 0xab, 0x77, 0xb6, 0x50, 0x51, 0x95, 0xfe, 0x04, 0xf6, 0xda,
0xbd, 0xaf, 0xf4, 0x6e, 0xaf, 0xd1, 0x36, 0xfa, 0xb8, 0x77, 0x86, 0xb5, 0xc1, 0x40, 0xca, 0x2b,
0x87, 0xab, 0xb5, 0xfa, 0x7e, 0x0a, 0x7f, 0xa3, 0xe8, 0x3e, 0x00, 0xb1, 0xdf, 0xd1, 0xcf, 0xa4,
0x82, 0x72, 0x67, 0xb5, 0x56, 0xdf, 0x4b, 0x41, 0x43, 0x52, 0xc3, 0x88, 0x5b, 0xdd, 0xde, 0x40,
0x93, 0x8a, 0x37, 0x22, 0x66, 0x64, 0x1f, 0xff, 0x0e, 0xd0, 0xcd, 0x9f, 0x4f, 0xf4, 0x00, 0x44,
0xbd, 0xa7, 0x6b, 0x52, 0x86, 0xc7, 0x7f, 0x13, 0xa1, 0x53, 0x97, 0xa0, 0x3a, 0xe4, 0xba, 0x5f,
0x7f, 0x29, 0x09, 0xca, 0x0f, 0x57, 0x6b, 0xf5, 0xde, 0x4d, 0x50, 0xf7, 0xeb, 0x2f, 0x8f, 0x29,
0x54, 0xd2, 0x1b, 0xd7, 0xa1, 0xf4, 0x54, 0x1b, 0x36, 0xda, 0x8d, 0x61, 0x43, 0xca, 0xf0, 0x2b,
0xc5, 0xee, 0xa7, 0x24, 0x30, 0x99, 0x08, 0x0f, 0x20, 0xaf, 0x6b, 0xcf, 0x34, 0x2c, 0x09, 0xca,
0xde, 0x6a, 0xad, 0xee, 0xc4, 0x00, 0x9d, 0x5c, 0x12, 0x0f, 0xd5, 0xa0, 0xd0, 0xe8, 0x7e, 0xd5,
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0xf8, 0xbf, 0x02, 0x54, 0xd3, 0x0f, 0x2e, 0xaa, 0x81, 0x78, 0xda, 0xe9, 0x6a, 0xf1, 0x71, 0x69,
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0xa8, 0x6d, 0x7b, 0xac, 0xc0, 0x97, 0xe8, 0x67, 0x50, 0x1d, 0x3c, 0x7f, 0xda, 0xed, 0xe8, 0xbf,
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0xd7, 0x7b, 0x86, 0x86, 0x71, 0x0f, 0xc7, 0x0c, 0x24, 0x4e, 0x9d, 0xb2, 0x21, 0xba, 0x0f, 0xc5,
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0xd6, 0xea, 0xdd, 0x04, 0xda, 0xe1, 0x7f, 0x1e, 0x21, 0xf6, 0xd8, 0x82, 0xda, 0xf7, 0x37, 0x26,
0xa4, 0x42, 0xa1, 0xd1, 0xef, 0x6b, 0x7a, 0x3b, 0xbe, 0xfd, 0xc6, 0xd7, 0x98, 0xcf, 0x89, 0x6b,
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0x00,
}

View File

@ -88,6 +88,10 @@ func (f FileInfo) ModTime() time.Time {
return time.Unix(f.ModifiedS, int64(f.ModifiedNs))
}
func (f FileInfo) SequenceNo() int64 {
return f.Sequence
}
// WinsConflict returns true if "f" is the one to choose when it is in
// conflict with "other".
func (f FileInfo) WinsConflict(other FileInfo) bool {