// PersistReceivedRecords save the info about which records we've already seen
func (p *LevelDBPersister) PersistReceivedRecords(comp StreamID, records []*Record) error {
batch := new(leveldb.Batch)
for _, r := range records {
batch.Put([]byte(fmt.Sprintf(receivedKeyFormat, comp, r.ID)), nil)
}
return p.db.Write(batch, nil)
}
func msetnx(v resp.CommandArgs, ex *CommandExtras) error {
if len(v) == 0 || len(v)%2 != 0 {
return resp.NewError(ErrFmtWrongNumberArgument, "msetnx").WriteTo(ex.Buffer)
}
batch := new(leveldb.Batch)
for i := 0; i < len(v); {
batch.Put(v[i], v[i+1])
i += 2
}
ex.DB.Lock()
defer ex.DB.Unlock()
for i := 0; i < len(v); {
_, err := ex.DB.Get(v[i])
if err != nil && err != leveldb.ErrNotFound {
return err
}
if err != leveldb.ErrNotFound {
return resp.ZeroInteger.WriteTo(ex.Buffer)
}
i += 2
}
if err := ex.DB.WriteBatch(batch); err != nil {
return err
}
return resp.OneInteger.WriteTo(ex.Buffer)
}
func (db *DB) SsPut(key, member []byte, score uint64) *skv.Reply {
batch := new(leveldb.Batch)
//
if prev := db.SsGet(key, member); prev.Status == skv.ReplyOK && prev.Uint64() != score {
batch.Delete(skv.SortSetsNsScoreKey(key, member, prev.Uint64()))
} else if prev.Status == skv.ReplyNotFound {
db.RawIncrby(skv.SortSetsNsLengthKey(key), 1)
}
//
batch.Put(skv.SortSetsNsScoreKey(key, member, score), []byte{})
//
batch.Put(skv.SortSetsNsEntryKey(key, member), []byte(strconv.FormatUint(score, 10)))
rpl := skv.NewReply("")
if err := db.ldb.Write(batch, nil); err != nil {
rpl.Status = err.Error()
}
return rpl
}
// PutReceipts stores the receipts in the current database
func PutReceipts(db common.Database, receipts types.Receipts) error {
batch := new(leveldb.Batch)
_, batchWrite := db.(*ethdb.LDBDatabase)
for _, receipt := range receipts {
storageReceipt := (*types.ReceiptForStorage)(receipt)
bytes, err := rlp.EncodeToBytes(storageReceipt)
if err != nil {
return err
}
if batchWrite {
batch.Put(append(receiptsPre, receipt.TxHash[:]...), bytes)
} else {
err = db.Put(append(receiptsPre, receipt.TxHash[:]...), bytes)
if err != nil {
return err
}
}
}
if db, ok := db.(*ethdb.LDBDatabase); ok {
if err := db.LDB().Write(batch, nil); err != nil {
return err
}
}
return nil
}
func (l *LevelDb) Put(id DbKey, aliases []DbKey, value []byte) error {
// Lazy Open
if err := l.open(); err != nil {
return err
}
batch := new(leveldb.Batch)
idb := id.ToBytes("kv")
batch.Put(idb, value)
if aliases != nil {
for _, alias := range aliases {
batch.Put(alias.ToBytes("lo"), idb)
}
}
err := l.db.Write(batch, nil)
// If the file is corrupt, just nuke and act like we didn't find anything
if l.nukeIfCorrupt(err) {
err = nil
}
return err
}
func (self dbSync) saveInDb(mult map[string]string) {
batch := new(leveldb.Batch)
for k, v := range mult {
batch.Put([]byte(k), []byte(v))
}
self.Db.Write(batch, nil)
}
// Place notes the presence of a blob at a particular location.
func (d *DB) Place(ref, location, ct string, dependencies []string) (err error) {
b := new(leveldb.Batch)
// TODO(dichro): duplicates are interesting, but pretty rare,
// so probably not worth tracking?
b.Put(pack(found, ref), pack(location))
b.Put(pack(last), pack(location))
if ct != "" {
b.Put(pack(camliType, ct, ref), nil)
}
for _, dep := range dependencies {
b.Put(pack(parent, dep, ref), nil)
// TODO(dichro): should these always be looked up
// inline? Maybe a post-scan would be faster for bulk
// insert?
if ok, _ := d.db.Has(pack(found, dep), nil); !ok {
b.Put(pack(missing, dep, ref), nil)
}
}
it := d.db.NewIterator(&util.Range{
Start: pack(missing, ref, start),
Limit: pack(missing, ref, limit),
}, nil)
defer it.Release()
for it.Next() {
b.Delete(it.Key())
}
if err := it.Error(); err != nil {
fmt.Println(err)
}
err = d.db.Write(b, nil)
return
}
func (db *DB) _raw_ssttlat_put(ns byte, key []byte, ttlat uint64) bool {
if ttlat == 0 {
return true
}
key = skv.RawNsKeyConcat(ns, key)
batch := new(leveldb.Batch)
//
if prev := db.RawGet(skv.RawTtlEntry(key)); prev.Status == skv.ReplyOK {
if prev_ttlat := dbutil.BytesToUint64(prev.Bytes()); prev_ttlat != ttlat {
batch.Delete(skv.RawTtlQueue(key, prev_ttlat))
}
}
//
batch.Put(skv.RawTtlQueue(key, ttlat), []byte{})
//
batch.Put(skv.RawTtlEntry(key), dbutil.Uint64ToBytes(ttlat))
if err := db.ldb.Write(batch, nil); err != nil {
return false
}
return true
}
// Update block map state, removing any deleted or invalid files.
func (m *BlockMap) Update(files []protocol.FileInfo) error {
batch := new(leveldb.Batch)
buf := make([]byte, 4)
var key []byte
for _, file := range files {
if batch.Len() > maxBatchSize {
if err := m.db.Write(batch, nil); err != nil {
return err
}
batch.Reset()
}
if file.IsDirectory() {
continue
}
if file.IsDeleted() || file.IsInvalid() {
for _, block := range file.Blocks {
key = m.blockKeyInto(key, block.Hash, file.Name)
batch.Delete(key)
}
continue
}
for i, block := range file.Blocks {
binary.BigEndian.PutUint32(buf, uint32(i))
key = m.blockKeyInto(key, block.Hash, file.Name)
batch.Put(key, buf)
}
}
return m.db.Write(batch, nil)
}
func ldbCheckGlobals(db *leveldb.DB, folder []byte) {
defer runtime.GC()
snap, err := db.GetSnapshot()
if err != nil {
panic(err)
}
l.Debugf("created snapshot %p", snap)
defer func() {
l.Debugf("close snapshot %p", snap)
snap.Release()
}()
start := globalKey(folder, nil)
limit := globalKey(folder, []byte{0xff, 0xff, 0xff, 0xff})
dbi := snap.NewIterator(&util.Range{Start: start, Limit: limit}, nil)
defer dbi.Release()
batch := new(leveldb.Batch)
l.Debugf("new batch %p", batch)
var fk []byte
for dbi.Next() {
gk := dbi.Key()
var vl versionList
err := vl.UnmarshalXDR(dbi.Value())
if err != nil {
panic(err)
}
// Check the global version list for consistency. An issue in previous
// versions of goleveldb could result in reordered writes so that
// there are global entries pointing to no longer existing files. Here
// we find those and clear them out.
name := globalKeyName(gk)
var newVL versionList
for _, version := range vl.versions {
fk = deviceKeyInto(fk[:cap(fk)], folder, version.device, name)
l.Debugf("snap.Get %p %x", snap, fk)
_, err := snap.Get(fk, nil)
if err == leveldb.ErrNotFound {
continue
}
if err != nil {
panic(err)
}
newVL.versions = append(newVL.versions, version)
}
if len(newVL.versions) != len(vl.versions) {
l.Infof("db repair: rewriting global version list for %x %x", gk[1:1+64], gk[1+64:])
batch.Put(dbi.Key(), newVL.MustMarshalXDR())
}
}
l.Debugf("db check completed for %q", folder)
db.Write(batch, nil)
}
func (server *Server) newKeys(uid *[32]byte, keyList [][]byte) error {
batch := new(leveldb.Batch)
for _, key := range keyList {
keyHash := sha256.Sum256(key)
dbKey := append(append([]byte{'k'}, uid[:]...), keyHash[:]...)
batch.Put(dbKey, key)
}
return server.database.Write(batch, wO_sync)
}
// Fix repairs incorrect blockmap entries, removing the old entry and
// replacing it with a new entry for the given block
func (f *BlockFinder) Fix(folder, file string, index int32, oldHash, newHash []byte) error {
buf := make([]byte, 4)
binary.BigEndian.PutUint32(buf, uint32(index))
batch := new(leveldb.Batch)
batch.Delete(blockKeyInto(nil, oldHash, folder, file))
batch.Put(blockKeyInto(nil, newHash, folder, file), buf)
return f.db.Write(batch, nil)
}
func main() {
olddb, err := Open(os.Args[1])
if err != nil {
panic(err)
}
newdb, err := Open(os.Args[2])
if err != nil {
panic(err)
}
iter := olddb.NewIterator(&util.Range{Start: nil, Limit: nil}, nil)
totalBitset := 0
totalMsgpack := 0
rows := 0
var batch *leveldb.Batch
batch = new(leveldb.Batch)
for iter.Next() {
key := iter.Key()
value := iter.Value()
if bytes.HasPrefix(key, []byte("doc:")) {
batch.Put(key, value)
continue
}
bs := bitset.New(8)
bs.ReadFrom(bytes.NewBuffer(value))
var docIDs []uint
for i, e := bs.NextSet(0); e; i, e = bs.NextSet(i + 1) {
docIDs = append(docIDs, i)
}
b, err := msgpack.Marshal(delta_encode(docIDs))
if err != nil {
panic(err)
}
//fmt.Printf("bitset size is %d\n", len(value))
//fmt.Printf("msgpack size is %d\n", len(b))
totalBitset += len(value)
totalMsgpack += len(b)
batch.Put(key, b)
if rows%10000 == 0 {
log.Print("rows ", rows)
newdb.Write(batch, nil)
batch = new(leveldb.Batch)
}
rows++
}
fmt.Printf("bitset size is %d\n", totalBitset)
fmt.Printf("msgpack size is %d\n", totalMsgpack)
newdb.Write(batch, nil)
newdb.CompactRange(util.Range{Start: nil, Limit: nil})
}
func makeBatchWithOps(ops []AbstractBatchOperation) *leveldb.Batch {
batch := new(leveldb.Batch)
for _, op := range ops {
if op.kind == "PUT" {
batch.Put(op.key, op.value)
} else if op.kind == "DELETE" {
batch.Delete(op.key)
}
}
return batch
}
func (l *LevelDBStore) PutMany(chunks []Chunk) (e BackpressureError) {
numBytes := 0
b := new(leveldb.Batch)
for _, c := range chunks {
data := snappy.Encode(nil, c.Data())
numBytes += len(data)
b.Put(l.toChunkKey(c.Hash()), data)
}
l.putBatch(b, numBytes)
return
}
func (s *Store) StoreLogs(logs []*raft.Log) error {
batch := new(leveldb.Batch)
for _, log := range logs {
key := uint64ToBytes(log.Index)
val, err := encodeMsgPack(log)
if err != nil {
return err
}
batch.Put(key, val.Bytes())
}
return s.db.Write(batch, nil)
}
func (l *LevelDBStore) PutMany(chunks []Chunk) (e BackpressureError) {
d.Chk.True(l.internalLevelDBStore != nil, "Cannot use LevelDBStore after Close().")
l.versionSetOnce.Do(l.setVersIfUnset)
numBytes := 0
b := new(leveldb.Batch)
for _, c := range chunks {
data := snappy.Encode(nil, c.Data())
numBytes += len(data)
b.Put(l.toChunkKey(c.Hash()), data)
}
l.putBatch(b, numBytes)
return
}
func (ldb *LevelDB) PutHash(key []byte, hash map[string][]byte, expireAt *time.Time) {
metaKey := encodeMetaKey(key)
batch := new(leveldb.Batch)
batch.Put(metaKey, encodeMetadata(Hash, expireAt))
for k, v := range hash {
fieldKey := encodeHashFieldKey(key, []byte(k))
batch.Put(fieldKey, v)
}
if err := ldb.db.Write(batch, nil); err != nil {
panic(err)
}
}
func setItems(db *leveldb.DB) error {
batch := new(leveldb.Batch)
for _, k1 := range keys {
k2 := randomData(2)
// k2 -> data
batch.Put(k2, randomData(42))
// k1 -> k2
batch.Put(k1, k2)
}
if testing.Verbose() {
log.Printf("batch write (set) %p", batch)
}
return db.Write(batch, nil)
}
// writeCheckpoint writes the checkpoint to the db, optionally using a batch.
func (d *DriveDB) writeCheckpoint(batch *leveldb.Batch) error {
d.Lock()
cpt := d.cpt
d.Unlock()
bytes, err := encode(cpt)
if err != nil {
log.Printf("error encoding checkpoint: %v", err)
return err
}
if batch != nil {
batch.Put(internalKey("checkpoint"), bytes)
return nil
}
return d.db.Put(internalKey("checkpoint"), bytes, nil)
}
func (self *LDBDatabase) Flush() error {
self.mu.Lock()
defer self.mu.Unlock()
batch := new(leveldb.Batch)
for key, value := range self.queue {
batch.Put([]byte(key), rle.Compress(value))
}
self.makeQueue() // reset the queue
glog.V(logger.Detail).Infoln("Flush database: ", self.fn)
return self.db.Write(batch, nil)
}
//fixDocId fixes an issue where the max docid was stored under max_id
//instead of doc:max_id so a search for 109.97.120.95 would find it
func (ls *LevelDBStore) fixDocId() {
v, err := ls.db.Get([]byte("max_id"), nil)
if err == leveldb.ErrNotFound {
return
}
if err != nil {
return
}
//key max_id exists, rewrite it to doc:max_id
log.Println("FIX: Renaming max_id to doc:max_id")
batch := new(leveldb.Batch)
batch.Put([]byte("doc:max_id"), v)
batch.Delete([]byte("max_id"))
ls.db.Write(batch, nil)
}
// Add files to the block map, ignoring any deleted or invalid files.
func (m *BlockMap) Add(files []protocol.FileInfo) error {
batch := new(leveldb.Batch)
buf := make([]byte, 4)
for _, file := range files {
if file.IsDirectory() || file.IsDeleted() || file.IsInvalid() {
continue
}
for i, block := range file.Blocks {
binary.BigEndian.PutUint32(buf, uint32(i))
batch.Put(m.blockKey(block.Hash, file.Name), buf)
}
}
return m.db.Write(batch, nil)
}
func (d *DriveDB) inodeForFileIdImpl(fileId string) (uint64, error) {
var inode uint64
batch := new(leveldb.Batch)
// Check if an inode has been allocated for this fileId
if fileId == d.rootId {
inode = 1
} else {
err := d.get(fileIdToInodeKey(fileId), &inode)
if err != nil {
// if not, allocate an inode number
inode, err = d.nextInode(batch)
if err != nil {
return 0, err
}
}
}
// Check the opposite mapping is present and correct
var currentId string
err := d.get(inodeToFileIdKey(inode), ¤tId)
if err == nil {
if currentId == fileId {
return inode, nil
} else {
debug.Printf("inodeToFileId mapping wrong for %v, expected %v got %v", inode, fileId, currentId)
}
}
encodedInode, err := encode(inode)
if err != nil {
return 0, err
}
encodedFileId, err := encode(fileId)
if err != nil {
return 0, err
}
// Create forward and reverse mappings.
batch.Put(fileIdToInodeKey(fileId), encodedInode)
batch.Put(inodeToFileIdKey(inode), encodedFileId)
err = d.db.Write(batch, nil)
if err != nil {
return 0, err
}
return inode, nil
}
func (ldb *LevelDB) PutString(key []byte, value []byte, expireAt *time.Time) {
metaKey := encodeMetaKey(key)
valueKey := encodeStringKey(key)
exists, tipe, _ := ldb.has(metaKey)
if exists && tipe != String { // If exists data is not string, should delete it.
ldb.delete([][]byte{metaKey, valueKey})
}
batch := new(leveldb.Batch)
batch.Put(metaKey, encodeMetadata(String, expireAt))
batch.Put(valueKey, value)
if err := ldb.db.Write(batch, nil); err != nil {
panic(err)
}
}
func (ts *TripleStore) UpdateValueKeyBy(name string, amount int, batch *leveldb.Batch) {
value := &ValueData{name, int64(amount)}
key := ts.createValueKeyFor(name)
b, err := ts.db.Get(key, ts.readopts)
// Error getting the node from the database.
if err != nil && err != leveldb.ErrNotFound {
glog.Errorf("Error reading Value %s from the DB\n", name)
return
}
// Node exists in the database -- unmarshal and update.
if b != nil && err != leveldb.ErrNotFound {
err = json.Unmarshal(b, value)
if err != nil {
glog.Errorln("Error: couldn't reconstruct value ", err)
return
}
value.Size += int64(amount)
}
// Are we deleting something?
if amount < 0 {
if value.Size <= 0 {
if batch == nil {
ts.db.Delete(key, ts.writeopts)
} else {
batch.Delete(key)
}
return
}
}
// Repackage and rewrite.
bytes, err := json.Marshal(&value)
if err != nil {
glog.Errorf("Couldn't write to buffer for value %s\n %s", name, err)
return
}
if batch == nil {
ts.db.Put(key, bytes, ts.writeopts)
} else {
batch.Put(key, bytes)
}
}
func (db *GoLevelDB) Commit(bt *engine.Batch) error {
if bt.OpList.Len() == 0 {
return nil
}
wb := new(leveldb.Batch)
for e := bt.OpList.Front(); e != nil; e = e.Next() {
switch op := e.Value.(type) {
case *engine.BatchOpSet:
wb.Put(op.Key, op.Value)
case *engine.BatchOpDel:
wb.Delete(op.Key)
default:
panic(fmt.Sprintf("unsupported batch operation: %+v", op))
}
}
return errors.Trace(db.lvdb.Write(wb, db.wopt))
}
func (ls *LeveldbStore) SetBatch(keylist []interface{}, valuelist []interface{}) (bool, error) {
if len(keylist) != len(valuelist) {
return false, errors.New("key and value not match")
}
if len(keylist) == 0 && len(valuelist) == 0 {
return true, nil
}
batchwrite := new(leveldb.Batch)
for index, keyvalue := range keylist {
batchwrite.Put([]byte(keyvalue.([]byte)), []byte(valuelist[index].([]byte)))
}
err := ls.DB.Write(batchwrite, nil)
if err != nil {
return false, err
}
return true, nil
}
// PutTransactions stores the transactions in the given database
func PutTransactions(db common.Database, block *types.Block, txs types.Transactions) {
batch := new(leveldb.Batch)
_, batchWrite := db.(*ethdb.LDBDatabase)
for i, tx := range block.Transactions() {
rlpEnc, err := rlp.EncodeToBytes(tx)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx", err)
return
}
if batchWrite {
batch.Put(tx.Hash().Bytes(), rlpEnc)
} else {
db.Put(tx.Hash().Bytes(), rlpEnc)
}
var txExtra struct {
BlockHash common.Hash
BlockIndex uint64
Index uint64
}
txExtra.BlockHash = block.Hash()
txExtra.BlockIndex = block.NumberU64()
txExtra.Index = uint64(i)
rlpMeta, err := rlp.EncodeToBytes(txExtra)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx meta data", err)
return
}
if batchWrite {
batch.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
} else {
db.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
}
}
if db, ok := db.(*ethdb.LDBDatabase); ok {
if err := db.LDB().Write(batch, nil); err != nil {
glog.V(logger.Error).Infoln("db write err:", err)
}
}
}
func (qs *QuadStore) UpdateValueKeyBy(name quad.Value, amount int64, batch *leveldb.Batch) error {
value := proto.NodeData{
Value: proto.MakeValue(name),
Size: amount,
}
key := createValueKeyFor(name)
b, err := qs.db.Get(key, qs.readopts)
// Error getting the node from the database.
if err != nil && err != leveldb.ErrNotFound {
clog.Errorf("Error reading Value %s from the DB.", name)
return err
}
// Node exists in the database -- unmarshal and update.
if b != nil && err != leveldb.ErrNotFound {
var oldvalue proto.NodeData
err = oldvalue.Unmarshal(b)
if err != nil {
clog.Errorf("Error: could not reconstruct value: %v", err)
return err
}
oldvalue.Size += amount
value = oldvalue
}
// Are we deleting something?
if value.Size <= 0 {
value.Size = 0
}
// Repackage and rewrite.
bytes, err := value.Marshal()
if err != nil {
clog.Errorf("could not write to buffer for value %s: %s", name, err)
return err
}
if batch == nil {
qs.db.Put(key, bytes, qs.writeopts)
} else {
batch.Put(key, bytes)
}
return nil
}