forked from TrueCloudLab/frostfs-node
df558cbe6b
In previous implementation each shard operation locked RW shard mutex. With this approach RW operations were executed one-by-one and blocked the execution of RO operations. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package shard
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import (
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"github.com/nspcc-dev/neofs-node/pkg/core/object"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
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"github.com/pkg/errors"
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)
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// PutPrm groups the parameters of Put operation.
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type PutPrm struct {
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obj *object.Object
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}
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// PutRes groups resulting values of Put operation.
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type PutRes struct{}
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// WithObject is a Put option to set object to save.
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func (p *PutPrm) WithObject(obj *object.Object) *PutPrm {
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if p != nil {
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p.obj = obj
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}
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return p
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}
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// Put saves the object in shard.
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//
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// Returns any error encountered that
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// did not allow to completely save the object.
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func (s *Shard) Put(prm *PutPrm) (*PutRes, error) {
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// check object existence
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ex, err := s.metaBase.Exists(prm.obj.Address())
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if err != nil {
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return nil, errors.Wrap(err, "could not check object existence")
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} else if ex {
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return nil, nil
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}
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// try to put to WriteCache
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// TODO: implement
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// put to BlobStor
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if _, err := s.blobStor.Put(
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new(blobstor.PutPrm).
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WithObject(prm.obj),
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); err != nil {
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return nil, errors.Wrap(err, "could not put object to BLOB storage")
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}
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// put to metabase
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if err := s.metaBase.Put(prm.obj); err != nil {
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// may we need to handle this case in a special way
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// since the object has been successfully written to BlobStor
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return nil, errors.Wrap(err, "could not put object to metabase")
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}
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return nil, nil
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}
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