70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
//go:build rocksdb_build
|
|
|
|
package rocksdb
|
|
|
|
import (
|
|
"sync/atomic"
|
|
|
|
dbm "github.com/cosmos/cosmos-sdk/db"
|
|
dbutil "github.com/cosmos/cosmos-sdk/db/internal"
|
|
"github.com/tecbot/gorocksdb"
|
|
)
|
|
|
|
type rocksDBBatch struct {
|
|
batch *gorocksdb.WriteBatch
|
|
mgr *dbManager
|
|
}
|
|
|
|
var _ dbm.DBWriter = (*rocksDBBatch)(nil)
|
|
|
|
func (mgr *dbManager) newRocksDBBatch() *rocksDBBatch {
|
|
return &rocksDBBatch{
|
|
batch: gorocksdb.NewWriteBatch(),
|
|
mgr: mgr,
|
|
}
|
|
}
|
|
|
|
// Set implements DBWriter.
|
|
func (b *rocksDBBatch) Set(key, value []byte) error {
|
|
if err := dbutil.ValidateKv(key, value); err != nil {
|
|
return err
|
|
}
|
|
if b.batch == nil {
|
|
return dbm.ErrTransactionClosed
|
|
}
|
|
b.batch.Put(key, value)
|
|
return nil
|
|
}
|
|
|
|
// Delete implements DBWriter.
|
|
func (b *rocksDBBatch) Delete(key []byte) error {
|
|
if len(key) == 0 {
|
|
return dbm.ErrKeyEmpty
|
|
}
|
|
if b.batch == nil {
|
|
return dbm.ErrTransactionClosed
|
|
}
|
|
b.batch.Delete(key)
|
|
return nil
|
|
}
|
|
|
|
// Write implements DBWriter.
|
|
func (b *rocksDBBatch) Commit() (err error) {
|
|
if b.batch == nil {
|
|
return dbm.ErrTransactionClosed
|
|
}
|
|
defer func() { err = dbutil.CombineErrors(err, b.Discard(), "Discard also failed") }()
|
|
err = b.mgr.current.Write(b.mgr.opts.wo, b.batch)
|
|
return
|
|
}
|
|
|
|
// Close implements DBWriter.
|
|
func (b *rocksDBBatch) Discard() error {
|
|
if b.batch != nil {
|
|
defer atomic.AddInt32(&b.mgr.openWriters, -1)
|
|
b.batch.Destroy()
|
|
b.batch = nil
|
|
}
|
|
return nil
|
|
}
|