54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package meta
|
|
|
|
import (
|
|
"github.com/nspcc-dev/neo-go/pkg/util/slice"
|
|
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
|
|
"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) {
|
|
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
|
|
}
|