frostfs-node/pkg/local_object_storage/engine/delete.go

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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{}
// WithAddresses is a Delete option to set the addresses of the objects to delete.
//
// Option is required.
func (p *DeletePrm) WithAddresses(addr ...*objectSDK.Address) *DeletePrm {
if p != nil {
p.addr = append(p.addr, addr...)
}
return p
}
// Delete marks the objects to be removed.
//
// Returns an error if executions are blocked (see BlockExecution).
func (e *StorageEngine) Delete(prm *DeletePrm) (res *DeleteRes, err error) {
err = e.exec(func() error {
res, err = e.delete(prm)
return err
})
return
}
func (e *StorageEngine) delete(prm *DeletePrm) (*DeleteRes, error) {
if e.metrics != nil {
defer elapsed(e.metrics.AddDeleteDuration)()
}
shPrm := new(shard.InhumePrm)
existsPrm := new(shard.ExistsPrm)
for i := range prm.addr {
e.iterateOverSortedShards(prm.addr[i], func(_ int, sh *shard.Shard) (stop bool) {
resExists, err := sh.Exists(existsPrm.WithAddress(prm.addr[i]))
if err != nil {
// TODO: smth wrong with shard, need to be processed
e.log.Warn("could not check object existence",
zap.Stringer("shard", sh.ID()),
zap.String("error", err.Error()),
)
return false
} else if !resExists.Exists() {
return false
}
_, err = sh.Inhume(shPrm.MarkAsGarbage(prm.addr[i]))
if err != nil {
// TODO: smth wrong with shard, need to be processed
e.log.Warn("could not inhume object in shard",
zap.Stringer("shard", sh.ID()),
zap.String("error", err.Error()),
)
}
return err == nil
})
}
return nil, nil
}