frostfs-node/pkg/local_object_storage/engine/delete.go
Leonard Lyubich 09750484f9 [#176] localstore: Draft storage engine structure and ops
Implement the primary structure and operation of the local object
storage engine.

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

52 lines
1.2 KiB
Go

package engine
import (
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
"go.uber.org/zap"
)
// DeletePrm groups the parameters of Delete operation.
type DeletePrm struct {
addr *objectSDK.Address
}
// DeleteRes groups resulting values of Delete operation.
type DeleteRes struct{}
// WithAddress is a Delete option to set the address of the object to delete.
//
// Option is required.
func (p *DeletePrm) WithAddress(addr *objectSDK.Address) *DeletePrm {
if p != nil {
p.addr = addr
}
return p
}
// Delete marks object to delete from local storage.
//
// Returns any error encountered that did not allow to completely
// mark the object to delete.
func (e *StorageEngine) Delete(prm *DeletePrm) (*DeleteRes, error) {
e.mtx.RLock()
defer e.mtx.RUnlock()
shPrm := new(shard.DeletePrm)
e.iterateOverSortedShards(prm.addr, func(sh *shard.Shard) (stop bool) {
_, err := sh.Delete(shPrm)
if err != nil {
// TODO: smth wrong with shard, need to be processed
e.log.Warn("could not get object from shard",
zap.Stringer("shard", sh.ID()),
zap.String("error", err.Error()),
)
}
return false
})
return nil, nil
}