package shard import ( "fmt" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor" meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase" "github.com/nspcc-dev/neofs-sdk-go/object" "go.uber.org/zap" ) // PutPrm groups the parameters of Put operation. type PutPrm struct { obj *object.Object } // PutRes groups resulting values of Put operation. type PutRes struct{} // WithObject is a Put option to set object to save. func (p *PutPrm) WithObject(obj *object.Object) *PutPrm { if p != nil { p.obj = obj } return p } // Put saves the object in shard. // // Returns any error encountered that // did not allow to completely save the object. // // Returns ErrReadOnlyMode error if shard is in "read-only" mode. func (s *Shard) Put(prm *PutPrm) (*PutRes, error) { if s.GetMode() == ModeReadOnly { return nil, ErrReadOnlyMode } putPrm := new(blobstor.PutPrm) // form Put parameters putPrm.SetObject(prm.obj) // exist check are not performed there, these checks should be executed // ahead of `Put` by storage engine if s.hasWriteCache() { err := s.writeCache.Put(prm.obj) if err == nil { return nil, nil } s.log.Debug("can't put message to writeCache, trying to blobStor", zap.String("err", err.Error())) } var ( err error res *blobstor.PutRes ) // res == nil if there is no writeCache or writeCache.Put has been failed if res, err = s.blobStor.Put(putPrm); err != nil { return nil, fmt.Errorf("could not put object to BLOB storage: %w", err) } // put to metabase if err := meta.Put(s.metaBase, prm.obj, res.BlobovniczaID()); err != nil { // may we need to handle this case in a special way // since the object has been successfully written to BlobStor return nil, fmt.Errorf("could not put object to metabase: %w", err) } return nil, nil }