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[#222] Update Put method in shard

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Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2020-12-01 10:46:52 +03:00
parent 72f8ca1afd
commit 5fc54386b0
1 changed files with 24 additions and 17 deletions
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39
pkg/local_object_storage/shard/put.go
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@ -28,28 +28,35 @@ func (p *PutPrm) WithObject(obj *object.Object) *PutPrm {
// Returns any error encountered that
// did not allow to completely save the object.
func (s *Shard) Put(prm *PutPrm) (*PutRes, error) {
// check object existence
ex, err := s.objectExists(prm.obj.Address())
if err != nil {
return nil, errors.Wrap(err, "could not check object existence")
} else if ex {
return nil, nil
}
// try to put to WriteCache
// TODO: implement
// form Put parameters
putPrm := new(blobstor.PutPrm)
putPrm := new(blobstor.PutPrm) // form Put parameters
putPrm.SetObject(prm.obj)
// put to BlobStor
if _, err := s.blobStor.Put(putPrm); err != nil {
// exist check are not performed there, these checks should be executed
// ahead of `Put` by storage engine
var (
err error
res *blobstor.PutRes
)
if s.hasWriteCache() {
res, err = s.writeCache.Put(putPrm)
if err != nil {
s.log.Debug("can't put message to writeCache, trying to blobStor")
res = nil // just in case
}
}
// res == nil if there is no writeCache or writeCache.Put has been failed
if res == nil {
if res, err = s.blobStor.Put(putPrm); err != nil {
return nil, errors.Wrap(err, "could not put object to BLOB storage")
}
}
// put to metabase
if err := s.metaBase.Put(prm.obj, nil); err != nil {
if err := s.metaBase.Put(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, errors.Wrap(err, "could not put object to metabase")