frostfs-node/pkg/local_object_storage/blobstor/put.go
Leonard Lyubich b127607ac6 [#176] localstore: Implement primary BlobStor
Implement primary local BLOB storage based on filesystem tree.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2020-12-11 17:19:37 +03:00

61 lines
1.2 KiB
Go

package blobstor
import (
"io/ioutil"
"os"
"path"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
"github.com/pkg/errors"
)
// 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.
//
// Option is required.
func (p *PutPrm) WithObject(obj *object.Object) *PutPrm {
if p != nil {
p.obj = obj
}
return p
}
// Put saves the object in BLOB storage.
//
// Returns any error encountered that
// did not allow to completely save the object.
func (b *BlobStor) Put(prm *PutPrm) (*PutRes, error) {
b.mtx.Lock()
defer b.mtx.Unlock()
// marshal object
data, err := prm.obj.Marshal()
if err != nil {
return nil, errors.Wrap(err, "could not marshal the object")
}
// compress object data
data = b.compressor(data)
// save object in fs tree
return nil, b.fsTree.put(prm.obj.Address(), data)
}
func (t *fsTree) put(addr *objectSDK.Address, data []byte) error {
p := t.treePath(addr)
if err := os.MkdirAll(path.Dir(p), t.perm); err != nil {
return err
}
return ioutil.WriteFile(p, data, t.perm)
}