cotugno/syncthing
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We should pass around db.Instance instead of leveldb.DB

Browse Source 
We're going to need the db.Instance to keep some state, and for that to
work we need the same one passed around everywhere. Hence this moves the
leveldb-specific file opening stuff into the db package and exports the
dbInstance type.
This commit is contained in:
Jakob Borg 2015-10-31 12:31:25 +01:00
parent 313485e406
commit 2a4fc28318
20 changed files with 145 additions and 241 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
cmd/syncthing/main.go
View File

@ -9,6 +9,7 @@ package main
import (
"bytes"
"crypto/tls"
"errors"
"flag"
"fmt"
"io/ioutil"
@ -42,9 +43,6 @@ import (
"github.com/syncthing/syncthing/lib/tlsutil"
"github.com/syncthing/syncthing/lib/upgrade"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/errors"
"github.com/syndtr/goleveldb/leveldb/opt"
"github.com/thejerf/suture"
)
@ -371,7 +369,7 @@ func main() {
if doUpgrade {
// Use leveldb database locks to protect against concurrent upgrades
_, err = leveldb.OpenFile(locations[locDatabase], &opt.Options{OpenFilesCacheCapacity: 100})
_, err = db.Open(locations[locDatabase])
if err != nil {
l.Infoln("Attempting upgrade through running Syncthing...")
err = upgradeViaRest()
@ -617,21 +615,7 @@ func syncthingMain() {
}
dbFile := locations[locDatabase]
dbOpts := dbOpts(cfg)
ldb, err := leveldb.OpenFile(dbFile, dbOpts)
if leveldbIsCorrupted(err) {
ldb, err = leveldb.RecoverFile(dbFile, dbOpts)
}
if leveldbIsCorrupted(err) {
// The database is corrupted, and we've tried to recover it but it
// didn't work. At this point there isn't much to do beyond dropping
// the database and reindexing...
l.Infoln("Database corruption detected, unable to recover. Reinitializing...")
if err := resetDB(); err != nil {
l.Fatalln("Remove database:", err)
}
ldb, err = leveldb.OpenFile(dbFile, dbOpts)
}
ldb, err := db.Open(dbFile)
if err != nil {
l.Fatalln("Cannot open database:", err, "- Is another copy of Syncthing already running?")
}
@ -642,7 +626,7 @@ func syncthingMain() {
// Remove database entries for folders that no longer exist in the config
folders := cfg.Folders()
for _, folder := range db.ListFolders(ldb) {
for _, folder := range ldb.ListFolders() {
if _, ok := folders[folder]; !ok {
l.Infof("Cleaning data for dropped folder %q", folder)
db.DropFolder(ldb, folder)
@ -881,40 +865,6 @@ func loadConfig(cfgFile string) (*config.Wrapper, string, error) {
return cfg, myName, nil
}
func dbOpts(cfg *config.Wrapper) *opt.Options {
// Calculate a suitable database block cache capacity.
// Default is 8 MiB.
blockCacheCapacity := 8 << 20
// Increase block cache up to this maximum:
const maxCapacity = 64 << 20
// ... which we reach when the box has this much RAM:
const maxAtRAM = 8 << 30
if v := cfg.Options().DatabaseBlockCacheMiB; v != 0 {
// Use the value from the config, if it's set.
blockCacheCapacity = v << 20
} else if bytes, err := memorySize(); err == nil {
// We start at the default of 8 MiB and use larger values for machines
// with more memory.
if bytes > maxAtRAM {
// Cap the cache at maxCapacity when we reach maxAtRam amount of memory
blockCacheCapacity = maxCapacity
} else if bytes > maxAtRAM/maxCapacity*int64(blockCacheCapacity) {
// Grow from the default to maxCapacity at maxAtRam amount of memory
blockCacheCapacity = int(bytes * maxCapacity / maxAtRAM)
}
l.Infoln("Database block cache capacity", blockCacheCapacity/1024, "KiB")
}
return &opt.Options{
OpenFilesCacheCapacity: 100,
BlockCacheCapacity: blockCacheCapacity,
WriteBuffer: 4 << 20,
}
}
func startAuditing(mainSvc *suture.Supervisor) {
auditFile := timestampedLoc(locAuditLog)
fd, err := os.OpenFile(auditFile, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0600)
@ -1166,19 +1116,3 @@ func checkShortIDs(cfg *config.Wrapper) error {
}
return nil
}
// A "better" version of leveldb's errors.IsCorrupted.
func leveldbIsCorrupted(err error) bool {
switch {
case err == nil:
return false
case errors.IsCorrupted(err):
return true
case strings.Contains(err.Error(), "corrupted"):
return true
}
return false
}

5
cmd/syncthing/main_test.go
View File

@ -14,9 +14,6 @@ import (
"github.com/syncthing/syncthing/lib/db"
"github.com/syncthing/syncthing/lib/model"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
func TestFolderErrors(t *testing.T) {
@ -38,7 +35,7 @@ func TestFolderErrors(t *testing.T) {
}
}
ldb, _ := leveldb.Open(storage.NewMemStorage(), nil)
ldb := db.OpenMemory()
// Case 1 - new folder, directory and marker created

2
lib/config/config_test.go
View File

@ -56,7 +56,6 @@ func TestDefaultValues(t *testing.T) {
ProgressUpdateIntervalS: 5,
SymlinksEnabled: true,
LimitBandwidthInLan: false,
DatabaseBlockCacheMiB: 0,
MinHomeDiskFreePct: 1,
URURL: "https://data.syncthing.net/newdata",
URInitialDelayS: 1800,
@ -180,7 +179,6 @@ func TestOverriddenValues(t *testing.T) {
ProgressUpdateIntervalS: 10,
SymlinksEnabled: false,
LimitBandwidthInLan: true,
DatabaseBlockCacheMiB: 42,
MinHomeDiskFreePct: 5.2,
URURL: "https://localhost/newdata",
URInitialDelayS: 800,

1
lib/config/optionsconfiguration.go
View File

@ -37,7 +37,6 @@ type OptionsConfiguration struct {
ProgressUpdateIntervalS int `xml:"progressUpdateIntervalS" json:"progressUpdateIntervalS" default:"5"`
SymlinksEnabled bool `xml:"symlinksEnabled" json:"symlinksEnabled" default:"true"`
LimitBandwidthInLan bool `xml:"limitBandwidthInLan" json:"limitBandwidthInLan" default:"false"`
DatabaseBlockCacheMiB int `xml:"databaseBlockCacheMiB" json:"databaseBlockCacheMiB" default:"0"`
MinHomeDiskFreePct float64 `xml:"minHomeDiskFreePct" json:"minHomeDiskFreePct" default:"1"`
ReleasesURL string `xml:"releasesURL" json:"releasesURL" default:"https://api.github.com/repos/syncthing/syncthing/releases?per_page=30"`
AlwaysLocalNets []string `xml:"alwaysLocalNet" json:"alwaysLocalNets"`

8
lib/db/blockmap.go
View File

@ -29,11 +29,11 @@ var blockFinder *BlockFinder
const maxBatchSize = 256 << 10
type BlockMap struct {
db *leveldb.DB
db *Instance
folder string
}
func NewBlockMap(db *leveldb.DB, folder string) *BlockMap {
func NewBlockMap(db *Instance, folder string) *BlockMap {
return &BlockMap{
db: db,
folder: folder,
@ -146,10 +146,10 @@ func (m *BlockMap) blockKeyInto(o, hash []byte, file string) []byte {
}
type BlockFinder struct {
db *leveldb.DB
db *Instance
}
func NewBlockFinder(db *leveldb.DB) *BlockFinder {
func NewBlockFinder(db *Instance) *BlockFinder {
if blockFinder != nil {
return blockFinder
}

12
lib/db/blockmap_test.go
View File

@ -10,9 +10,6 @@ import (
"testing"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
func genBlocks(n int) []protocol.BlockInfo {
@ -50,17 +47,14 @@ func init() {
}
}
func setup() (*leveldb.DB, *BlockFinder) {
func setup() (*Instance, *BlockFinder) {
// Setup
db, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
panic(err)
}
db := OpenMemory()
return db, NewBlockFinder(db)
}
func dbEmpty(db *leveldb.DB) bool {
func dbEmpty(db *Instance) bool {
iter := db.NewIterator(nil, nil)
defer iter.Release()
if iter.Next() {

101
lib/db/leveldb_dbinstance.go
View File

@ -8,27 +8,64 @@ package db
import (
"bytes"
"os"
"sort"
"strings"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/errors"
"github.com/syndtr/goleveldb/leveldb/iterator"
"github.com/syndtr/goleveldb/leveldb/opt"
"github.com/syndtr/goleveldb/leveldb/storage"
"github.com/syndtr/goleveldb/leveldb/util"
)
type deletionHandler func(t readWriteTransaction, folder, device, name []byte, dbi iterator.Iterator) int64
type dbInstance struct {
type Instance struct {
*leveldb.DB
}
func newDBInstance(db *leveldb.DB) *dbInstance {
return &dbInstance{
func Open(file string) (*Instance, error) {
opts := &opt.Options{
OpenFilesCacheCapacity: 100,
WriteBuffer: 4 << 20,
}
db, err := leveldb.OpenFile(file, opts)
if leveldbIsCorrupted(err) {
db, err = leveldb.RecoverFile(file, opts)
}
if leveldbIsCorrupted(err) {
// The database is corrupted, and we've tried to recover it but it
// didn't work. At this point there isn't much to do beyond dropping
// the database and reindexing...
l.Infoln("Database corruption detected, unable to recover. Reinitializing...")
if err := os.RemoveAll(file); err != nil {
return nil, err
}
db, err = leveldb.OpenFile(file, opts)
}
if err != nil {
return nil, err
}
return newDBInstance(db), nil
}
func OpenMemory() *Instance {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
return newDBInstance(db)
}
func newDBInstance(db *leveldb.DB) *Instance {
return &Instance{
DB: db,
}
}
func (db *dbInstance) genericReplace(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker, deleteFn deletionHandler) int64 {
func (db *Instance) genericReplace(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker, deleteFn deletionHandler) int64 {
sort.Sort(fileList(fs)) // sort list on name, same as in the database
start := db.deviceKey(folder, device, nil) // before all folder/device files
@ -126,7 +163,7 @@ func (db *dbInstance) genericReplace(folder, device []byte, fs []protocol.FileIn
return maxLocalVer
}
func (db *dbInstance) replace(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker) int64 {
func (db *Instance) replace(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker) int64 {
// TODO: Return the remaining maxLocalVer?
return db.genericReplace(folder, device, fs, localSize, globalSize, func(t readWriteTransaction, folder, device, name []byte, dbi iterator.Iterator) int64 {
// Database has a file that we are missing. Remove it.
@ -137,7 +174,7 @@ func (db *dbInstance) replace(folder, device []byte, fs []protocol.FileInfo, loc
})
}
func (db *dbInstance) updateFiles(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker) int64 {
func (db *Instance) updateFiles(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker) int64 {
t := db.newReadWriteTransaction()
defer t.close()
@ -195,7 +232,7 @@ func (db *dbInstance) updateFiles(folder, device []byte, fs []protocol.FileInfo,
return maxLocalVer
}
func (db *dbInstance) withHave(folder, device []byte, truncate bool, fn Iterator) {
func (db *Instance) withHave(folder, device []byte, truncate bool, fn Iterator) {
start := db.deviceKey(folder, device, nil) // before all folder/device files
limit := db.deviceKey(folder, device, []byte{0xff, 0xff, 0xff, 0xff}) // after all folder/device files
@ -216,7 +253,7 @@ func (db *dbInstance) withHave(folder, device []byte, truncate bool, fn Iterator
}
}
func (db *dbInstance) withAllFolderTruncated(folder []byte, fn func(device []byte, f FileInfoTruncated) bool) {
func (db *Instance) withAllFolderTruncated(folder []byte, fn func(device []byte, f FileInfoTruncated) bool) {
start := db.deviceKey(folder, nil, nil) // before all folder/device files
limit := db.deviceKey(folder, protocol.LocalDeviceID[:], []byte{0xff, 0xff, 0xff, 0xff}) // after all folder/device files
@ -249,11 +286,11 @@ func (db *dbInstance) withAllFolderTruncated(folder []byte, fn func(device []byt
}
}
func (db *dbInstance) getFile(folder, device, file []byte) (protocol.FileInfo, bool) {
func (db *Instance) getFile(folder, device, file []byte) (protocol.FileInfo, bool) {
return getFile(db, db.deviceKey(folder, device, file))
}
func (db *dbInstance) getGlobal(folder, file []byte, truncate bool) (FileIntf, bool) {
func (db *Instance) getGlobal(folder, file []byte, truncate bool) (FileIntf, bool) {
k := db.globalKey(folder, file)
t := db.newReadOnlyTransaction()
@ -290,7 +327,7 @@ func (db *dbInstance) getGlobal(folder, file []byte, truncate bool) (FileIntf, b
return fi, true
}
func (db *dbInstance) withGlobal(folder, prefix []byte, truncate bool, fn Iterator) {
func (db *Instance) withGlobal(folder, prefix []byte, truncate bool, fn Iterator) {
t := db.newReadOnlyTransaction()
defer t.close()
@ -333,7 +370,7 @@ func (db *dbInstance) withGlobal(folder, prefix []byte, truncate bool, fn Iterat
}
}
func (db *dbInstance) availability(folder, file []byte) []protocol.DeviceID {
func (db *Instance) availability(folder, file []byte) []protocol.DeviceID {
k := db.globalKey(folder, file)
bs, err := db.Get(k, nil)
if err == leveldb.ErrNotFound {
@ -361,7 +398,7 @@ func (db *dbInstance) availability(folder, file []byte) []protocol.DeviceID {
return devices
}
func (db *dbInstance) withNeed(folder, device []byte, truncate bool, fn Iterator) {
func (db *Instance) withNeed(folder, device []byte, truncate bool, fn Iterator) {
start := db.globalKey(folder, nil)
limit := db.globalKey(folder, []byte{0xff, 0xff, 0xff, 0xff})
@ -452,7 +489,7 @@ nextFile:
}
}
func (db *dbInstance) listFolders() []string {
func (db *Instance) ListFolders() []string {
t := db.newReadOnlyTransaction()
defer t.close()
@ -476,7 +513,7 @@ func (db *dbInstance) listFolders() []string {
return folders
}
func (db *dbInstance) dropFolder(folder []byte) {
func (db *Instance) dropFolder(folder []byte) {
t := db.newReadOnlyTransaction()
defer t.close()
@ -501,7 +538,7 @@ func (db *dbInstance) dropFolder(folder []byte) {
dbi.Release()
}
func (db *dbInstance) checkGlobals(folder []byte, globalSize *sizeTracker) {
func (db *Instance) checkGlobals(folder []byte, globalSize *sizeTracker) {
t := db.newReadWriteTransaction()
defer t.close()
@ -560,11 +597,11 @@ func (db *dbInstance) checkGlobals(folder []byte, globalSize *sizeTracker) {
// folder (64 bytes)
// device (32 bytes)
// name (variable size)
func (db *dbInstance) deviceKey(folder, device, file []byte) []byte {
func (db *Instance) deviceKey(folder, device, file []byte) []byte {
return db.deviceKeyInto(nil, folder, device, file)
}
func (db *dbInstance) deviceKeyInto(k []byte, folder, device, file []byte) []byte {
func (db *Instance) deviceKeyInto(k []byte, folder, device, file []byte) []byte {
reqLen := 1 + 64 + 32 + len(file)
if len(k) < reqLen {
k = make([]byte, reqLen)
@ -579,11 +616,11 @@ func (db *dbInstance) deviceKeyInto(k []byte, folder, device, file []byte) []byt
return k[:reqLen]
}
func (db *dbInstance) deviceKeyName(key []byte) []byte {
func (db *Instance) deviceKeyName(key []byte) []byte {
return key[1+64+32:]
}
func (db *dbInstance) deviceKeyFolder(key []byte) []byte {
func (db *Instance) deviceKeyFolder(key []byte) []byte {
folder := key[1 : 1+64]
izero := bytes.IndexByte(folder, 0)
if izero < 0 {
@ -592,7 +629,7 @@ func (db *dbInstance) deviceKeyFolder(key []byte) []byte {
return folder[:izero]
}
func (db *dbInstance) deviceKeyDevice(key []byte) []byte {
func (db *Instance) deviceKeyDevice(key []byte) []byte {
return key[1+64 : 1+64+32]
}
@ -600,7 +637,7 @@ func (db *dbInstance) deviceKeyDevice(key []byte) []byte {
// keyTypeGlobal (1 byte)
// folder (64 bytes)
// name (variable size)
func (db *dbInstance) globalKey(folder, file []byte) []byte {
func (db *Instance) globalKey(folder, file []byte) []byte {
k := make([]byte, 1+64+len(file))
k[0] = KeyTypeGlobal
if len(folder) > 64 {
@ -611,11 +648,11 @@ func (db *dbInstance) globalKey(folder, file []byte) []byte {
return k
}
func (db *dbInstance) globalKeyName(key []byte) []byte {
func (db *Instance) globalKeyName(key []byte) []byte {
return key[1+64:]
}
func (db *dbInstance) globalKeyFolder(key []byte) []byte {
func (db *Instance) globalKeyFolder(key []byte) []byte {
folder := key[1 : 1+64]
izero := bytes.IndexByte(folder, 0)
if izero < 0 {
@ -635,3 +672,19 @@ func unmarshalTrunc(bs []byte, truncate bool) (FileIntf, error) {
err := tf.UnmarshalXDR(bs)
return tf, err
}
// A "better" version of leveldb's errors.IsCorrupted.
func leveldbIsCorrupted(err error) bool {
switch {
case err == nil:
return false
case errors.IsCorrupted(err):
return true
case strings.Contains(err.Error(), "corrupted"):
return true
}
return false
}

4
lib/db/leveldb_test.go
View File

@ -16,7 +16,7 @@ func TestDeviceKey(t *testing.T) {
dev := []byte("device67890123456789012345678901")
name := []byte("name")
db := &dbInstance{}
db := &Instance{}
key := db.deviceKey(fld, dev, name)
@ -38,7 +38,7 @@ func TestGlobalKey(t *testing.T) {
fld := []byte("folder6789012345678901234567890123456789012345678901234567890123")
name := []byte("name")
db := &dbInstance{}
db := &Instance{}
key := db.globalKey(fld, name)

6
lib/db/leveldb_transactions.go
View File

@ -16,10 +16,10 @@ import (
// A readOnlyTransaction represents a database snapshot.
type readOnlyTransaction struct {
*leveldb.Snapshot
db *dbInstance
db *Instance
}
func (db *dbInstance) newReadOnlyTransaction() readOnlyTransaction {
func (db *Instance) newReadOnlyTransaction() readOnlyTransaction {
snap, err := db.GetSnapshot()
if err != nil {
panic(err)
@ -46,7 +46,7 @@ type readWriteTransaction struct {
*leveldb.Batch
}
func (db *dbInstance) newReadWriteTransaction() readWriteTransaction {
func (db *Instance) newReadWriteTransaction() readWriteTransaction {
t := db.newReadOnlyTransaction()
return readWriteTransaction{
readOnlyTransaction: t,

4
lib/db/namespaced.go
View File

@ -17,13 +17,13 @@ import (
// NamespacedKV is a simple key-value store using a specific namespace within
// a leveldb.
type NamespacedKV struct {
db *leveldb.DB
db *Instance
prefix []byte
}
// NewNamespacedKV returns a new NamespacedKV that lives in the namespace
// specified by the prefix.
func NewNamespacedKV(db *leveldb.DB, prefix string) *NamespacedKV {
func NewNamespacedKV(db *Instance, prefix string) *NamespacedKV {
return &NamespacedKV{
db: db,
prefix: []byte(prefix),

23
lib/db/namespaced_test.go
View File

@ -9,16 +9,10 @@ package db
import (
"testing"
"time"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
func TestNamespacedInt(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := OpenMemory()
n1 := NewNamespacedKV(ldb, "foo")
n2 := NewNamespacedKV(ldb, "bar")
@ -53,10 +47,7 @@ func TestNamespacedInt(t *testing.T) {
}
func TestNamespacedTime(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := OpenMemory()
n1 := NewNamespacedKV(ldb, "foo")
@ -73,10 +64,7 @@ func TestNamespacedTime(t *testing.T) {
}
func TestNamespacedString(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := OpenMemory()
n1 := NewNamespacedKV(ldb, "foo")
@ -92,10 +80,7 @@ func TestNamespacedString(t *testing.T) {
}
func TestNamespacedReset(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := OpenMemory()
n1 := NewNamespacedKV(ldb, "foo")

18
lib/db/set.go
View File

@ -18,14 +18,13 @@ import (
"github.com/syncthing/syncthing/lib/osutil"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syncthing/syncthing/lib/sync"
"github.com/syndtr/goleveldb/leveldb"
)
type FileSet struct {
localVersion map[protocol.DeviceID]int64
mutex sync.Mutex
folder string
db *dbInstance
db *Instance
blockmap *BlockMap
localSize sizeTracker
globalSize sizeTracker
@ -93,11 +92,11 @@ func (s *sizeTracker) Size() (files, deleted int, bytes int64) {
return s.files, s.deleted, s.bytes
}
func NewFileSet(folder string, db *leveldb.DB) *FileSet {
func NewFileSet(folder string, db *Instance) *FileSet {
var s = FileSet{
localVersion: make(map[protocol.DeviceID]int64),
folder: folder,
db: newDBInstance(db),
db: db,
blockmap: NewBlockMap(db, folder),
mutex: sync.NewMutex(),
}
@ -239,17 +238,10 @@ func (s *FileSet) GlobalSize() (files, deleted int, bytes int64) {
return s.globalSize.Size()
}
// ListFolders returns the folder IDs seen in the database.
func ListFolders(db *leveldb.DB) []string {
i := newDBInstance(db)
return i.listFolders()
}
// DropFolder clears out all information related to the given folder from the
// database.
func DropFolder(db *leveldb.DB, folder string) {
i := newDBInstance(db)
i.dropFolder([]byte(folder))
func DropFolder(db *Instance, folder string) {
db.dropFolder([]byte(folder))
bm := &BlockMap{
db: db,
folder: folder,

57
lib/db/set_test.go
View File

@ -15,8 +15,6 @@ import (
"github.com/syncthing/syncthing/lib/db"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
var remoteDevice0, remoteDevice1 protocol.DeviceID
@ -96,11 +94,7 @@ func (l fileList) String() string {
}
func TestGlobalSet(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
m := db.NewFileSet("test", ldb)
@ -303,10 +297,7 @@ func TestGlobalSet(t *testing.T) {
}
func TestNeedWithInvalid(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
s := db.NewFileSet("test", ldb)
@ -343,10 +334,7 @@ func TestNeedWithInvalid(t *testing.T) {
}
func TestUpdateToInvalid(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
s := db.NewFileSet("test", ldb)
@ -378,10 +366,7 @@ func TestUpdateToInvalid(t *testing.T) {
}
func TestInvalidAvailability(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
s := db.NewFileSet("test", ldb)
@ -419,10 +404,7 @@ func TestInvalidAvailability(t *testing.T) {
}
func TestGlobalReset(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
m := db.NewFileSet("test", ldb)
@ -460,10 +442,7 @@ func TestGlobalReset(t *testing.T) {
}
func TestNeed(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
m := db.NewFileSet("test", ldb)
@ -501,10 +480,7 @@ func TestNeed(t *testing.T) {
}
func TestLocalVersion(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
m := db.NewFileSet("test", ldb)
@ -534,10 +510,7 @@ func TestLocalVersion(t *testing.T) {
}
func TestListDropFolder(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
s0 := db.NewFileSet("test0", ldb)
local1 := []protocol.FileInfo{
@ -558,7 +531,7 @@ func TestListDropFolder(t *testing.T) {
// Check that we have both folders and their data is in the global list
expectedFolderList := []string{"test0", "test1"}
if actualFolderList := db.ListFolders(ldb); !reflect.DeepEqual(actualFolderList, expectedFolderList) {
if actualFolderList := ldb.ListFolders(); !reflect.DeepEqual(actualFolderList, expectedFolderList) {
t.Fatalf("FolderList mismatch\nE: %v\nA: %v", expectedFolderList, actualFolderList)
}
if l := len(globalList(s0)); l != 3 {
@ -573,7 +546,7 @@ func TestListDropFolder(t *testing.T) {
db.DropFolder(ldb, "test1")
expectedFolderList = []string{"test0"}
if actualFolderList := db.ListFolders(ldb); !reflect.DeepEqual(actualFolderList, expectedFolderList) {
if actualFolderList := ldb.ListFolders(); !reflect.DeepEqual(actualFolderList, expectedFolderList) {
t.Fatalf("FolderList mismatch\nE: %v\nA: %v", expectedFolderList, actualFolderList)
}
if l := len(globalList(s0)); l != 3 {
@ -585,10 +558,7 @@ func TestListDropFolder(t *testing.T) {
}
func TestGlobalNeedWithInvalid(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
s := db.NewFileSet("test1", ldb)
@ -625,10 +595,7 @@ func TestGlobalNeedWithInvalid(t *testing.T) {
}
func TestLongPath(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := db.OpenMemory()
s := db.NewFileSet("test", ldb)

4
lib/db/virtualmtime.go
View File

@ -9,8 +9,6 @@ package db
import (
"fmt"
"time"
"github.com/syndtr/goleveldb/leveldb"
)
// This type encapsulates a repository of mtimes for platforms where file mtimes
@ -25,7 +23,7 @@ type VirtualMtimeRepo struct {
ns *NamespacedKV
}
func NewVirtualMtimeRepo(ldb *leveldb.DB, folder string) *VirtualMtimeRepo {
func NewVirtualMtimeRepo(ldb *Instance, folder string) *VirtualMtimeRepo {
prefix := string(KeyTypeVirtualMtime) + folder
return &VirtualMtimeRepo{

8
lib/db/virtualmtime_test.go
View File

@ -9,16 +9,10 @@ package db
import (
"testing"
"time"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
func TestVirtualMtimeRepo(t *testing.T) {
ldb, err := leveldb.Open(storage.NewMemStorage(), nil)
if err != nil {
t.Fatal(err)
}
ldb := OpenMemory()
// A few repos so we can ensure they don't pollute each other
repo1 := NewVirtualMtimeRepo(ldb, "folder1")

5
lib/model/model.go
View File

@ -33,7 +33,6 @@ import (
"github.com/syncthing/syncthing/lib/symlinks"
"github.com/syncthing/syncthing/lib/sync"
"github.com/syncthing/syncthing/lib/versioner"
"github.com/syndtr/goleveldb/leveldb"
"github.com/thejerf/suture"
)
@ -64,7 +63,7 @@ type Model struct {
*suture.Supervisor
cfg *config.Wrapper
db *leveldb.DB
db *db.Instance
finder *db.BlockFinder
progressEmitter *ProgressEmitter
id protocol.DeviceID
@ -99,7 +98,7 @@ var (
// NewModel creates and starts a new model. The model starts in read-only mode,
// where it sends index information to connected peers and responds to requests
// for file data without altering the local folder in any way.
func NewModel(cfg *config.Wrapper, id protocol.DeviceID, deviceName, clientName, clientVersion string, ldb *leveldb.DB, protectedFiles []string) *Model {
func NewModel(cfg *config.Wrapper, id protocol.DeviceID, deviceName, clientName, clientVersion string, ldb *db.Instance, protectedFiles []string) *Model {
m := &Model{
Supervisor: suture.New("model", suture.Spec{
Log: func(line string) {

30
lib/model/model_test.go
View File

@ -22,8 +22,6 @@ import (
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/db"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
var device1, device2 protocol.DeviceID
@ -90,7 +88,7 @@ func init() {
}
func TestRequest(t *testing.T) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
@ -167,7 +165,7 @@ func BenchmarkIndex_100(b *testing.B) {
}
func benchmarkIndex(b *testing.B, nfiles int) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.StartFolderRO("default")
@ -196,7 +194,7 @@ func BenchmarkIndexUpdate_10000_1(b *testing.B) {
}
func benchmarkIndexUpdate(b *testing.B, nfiles, nufiles int) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.StartFolderRO("default")
@ -261,7 +259,7 @@ func (FakeConnection) Statistics() protocol.Statistics {
}
func BenchmarkRequest(b *testing.B) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.ServeBackground()
@ -317,7 +315,7 @@ func TestDeviceRename(t *testing.T) {
}
cfg := config.Wrap("tmpconfig.xml", rawCfg)
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(cfg, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
fc := FakeConnection{
@ -391,7 +389,7 @@ func TestClusterConfig(t *testing.T) {
},
}
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(config.Wrap("/tmp/test", cfg), protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(cfg.Folders[0])
@ -463,7 +461,7 @@ func TestIgnores(t *testing.T) {
ioutil.WriteFile("testdata/.stfolder", nil, 0644)
ioutil.WriteFile("testdata/.stignore", []byte(".*\nquux\n"), 0644)
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.StartFolderRO("default")
@ -538,7 +536,7 @@ func TestIgnores(t *testing.T) {
}
func TestRefuseUnknownBits(t *testing.T) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.ServeBackground()
@ -576,7 +574,7 @@ func TestRefuseUnknownBits(t *testing.T) {
}
func TestROScanRecovery(t *testing.T) {
ldb, _ := leveldb.Open(storage.NewMemStorage(), nil)
ldb := db.OpenMemory()
set := db.NewFileSet("default", ldb)
set.Update(protocol.LocalDeviceID, []protocol.FileInfo{
{Name: "dummyfile"},
@ -660,7 +658,7 @@ func TestROScanRecovery(t *testing.T) {
}
func TestRWScanRecovery(t *testing.T) {
ldb, _ := leveldb.Open(storage.NewMemStorage(), nil)
ldb := db.OpenMemory()
set := db.NewFileSet("default", ldb)
set.Update(protocol.LocalDeviceID, []protocol.FileInfo{
{Name: "dummyfile"},
@ -744,7 +742,7 @@ func TestRWScanRecovery(t *testing.T) {
}
func TestGlobalDirectoryTree(t *testing.T) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.ServeBackground()
@ -994,7 +992,7 @@ func TestGlobalDirectoryTree(t *testing.T) {
}
func TestGlobalDirectorySelfFixing(t *testing.T) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.ServeBackground()
@ -1168,7 +1166,7 @@ func BenchmarkTree_100_10(b *testing.B) {
}
func benchmarkTree(b *testing.B, n1, n2 int) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
m.ServeBackground()
@ -1186,7 +1184,7 @@ func benchmarkTree(b *testing.B, n1, n2 int) {
}
func TestIgnoreDelete(t *testing.T) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
// This folder should ignore external deletes

18
lib/model/rwfolder_test.go
View File

@ -12,12 +12,10 @@ import (
"testing"
"time"
"github.com/syncthing/syncthing/lib/db"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syncthing/syncthing/lib/scanner"
"github.com/syncthing/syncthing/lib/sync"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
func init() {
@ -69,7 +67,7 @@ func TestHandleFile(t *testing.T) {
requiredFile := existingFile
requiredFile.Blocks = blocks[1:]
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
// Update index
@ -125,7 +123,7 @@ func TestHandleFileWithTemp(t *testing.T) {
requiredFile := existingFile
requiredFile.Blocks = blocks[1:]
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
// Update index
@ -187,7 +185,7 @@ func TestCopierFinder(t *testing.T) {
requiredFile.Blocks = blocks[1:]
requiredFile.Name = "file2"
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
// Update index
@ -264,7 +262,7 @@ func TestCopierCleanup(t *testing.T) {
return true
}
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
@ -313,7 +311,7 @@ func TestCopierCleanup(t *testing.T) {
// Make sure that the copier routine hashes the content when asked, and pulls
// if it fails to find the block.
func TestLastResortPulling(t *testing.T) {
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
@ -387,7 +385,7 @@ func TestDeregisterOnFailInCopy(t *testing.T) {
}
defer os.Remove("testdata/" + defTempNamer.TempName("filex"))
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)
@ -480,7 +478,7 @@ func TestDeregisterOnFailInPull(t *testing.T) {
}
defer os.Remove("testdata/" + defTempNamer.TempName("filex"))
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
db := db.OpenMemory()
m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
m.AddFolder(defaultFolderConfig)

3
lib/stats/device.go
View File

@ -10,7 +10,6 @@ import (
"time"
"github.com/syncthing/syncthing/lib/db"
"github.com/syndtr/goleveldb/leveldb"
)
type DeviceStatistics struct {
@ -22,7 +21,7 @@ type DeviceStatisticsReference struct {
device string
}
func NewDeviceStatisticsReference(ldb *leveldb.DB, device string) *DeviceStatisticsReference {
func NewDeviceStatisticsReference(ldb *db.Instance, device string) *DeviceStatisticsReference {
prefix := string(db.KeyTypeDeviceStatistic) + device
return &DeviceStatisticsReference{
ns: db.NewNamespacedKV(ldb, prefix),

3
lib/stats/folder.go
View File

@ -10,7 +10,6 @@ import (
"time"
"github.com/syncthing/syncthing/lib/db"
"github.com/syndtr/goleveldb/leveldb"
)
type FolderStatistics struct {
@ -28,7 +27,7 @@ type LastFile struct {
Deleted bool `json:"deleted"`
}
func NewFolderStatisticsReference(ldb *leveldb.DB, folder string) *FolderStatisticsReference {
func NewFolderStatisticsReference(ldb *db.Instance, folder string) *FolderStatisticsReference {
prefix := string(db.KeyTypeFolderStatistic) + folder
return &FolderStatisticsReference{
ns: db.NewNamespacedKV(ldb, prefix),