package meta import ( oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id" "github.com/nspcc-dev/neo-go/pkg/util/slice" "go.etcd.io/bbolt" ) // StorageIDPrm groups the parameters of StorageID operation. type StorageIDPrm struct { addr oid.Address } // StorageIDRes groups the resulting values of StorageID operation. type StorageIDRes struct { id []byte } // SetAddress is a StorageID option to set the object address to check. func (p *StorageIDPrm) SetAddress(addr oid.Address) { p.addr = addr } // StorageID returns storage ID. func (r StorageIDRes) StorageID() []byte { return r.id } // StorageID returns storage descriptor for objects from the blobstor. // It is put together with the object can makes get/delete operation faster. func (db *DB) StorageID(prm StorageIDPrm) (res StorageIDRes, err error) { db.modeMtx.RLock() defer db.modeMtx.RUnlock() if db.mode.NoMetabase() { return res, ErrDegradedMode } err = db.boltDB.View(func(tx *bbolt.Tx) error { res.id, err = db.storageID(tx, prm.addr) return err }) return } func (db *DB) storageID(tx *bbolt.Tx, addr oid.Address) ([]byte, error) { key := make([]byte, bucketKeySize) smallBucket := tx.Bucket(smallBucketName(addr.Container(), key)) if smallBucket == nil { return nil, nil } storageID := smallBucket.Get(objectKey(addr.Object(), key)) if storageID == nil { return nil, nil } return slice.Copy(storageID), nil } // UpdateStorageIDPrm groups the parameters of UpdateStorageID operation. type UpdateStorageIDPrm struct { addr oid.Address id []byte } // UpdateStorageIDRes groups the resulting values of UpdateStorageID operation. type UpdateStorageIDRes struct{} // SetAddress is an UpdateStorageID option to set the object address to check. func (p *UpdateStorageIDPrm) SetAddress(addr oid.Address) { p.addr = addr } // SetStorageID is an UpdateStorageID option to set the storage ID. func (p *UpdateStorageIDPrm) SetStorageID(id []byte) { p.id = id } // UpdateStorageID updates storage descriptor for objects from the blobstor. func (db *DB) UpdateStorageID(prm UpdateStorageIDPrm) (res UpdateStorageIDRes, err error) { db.modeMtx.RLock() defer db.modeMtx.RUnlock() if db.mode.NoMetabase() { return res, ErrDegradedMode } else if db.mode.ReadOnly() { return res, ErrReadOnlyMode } currEpoch := db.epochState.CurrentEpoch() err = db.boltDB.Batch(func(tx *bbolt.Tx) error { exists, err := db.exists(tx, prm.addr, currEpoch) if !exists || err != nil { return err } return updateStorageID(tx, prm.addr, prm.id) }) return }