forked from TrueCloudLab/frostfs-node
105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package engine
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import (
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"errors"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
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apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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)
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// DeletePrm groups the parameters of Delete operation.
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type DeletePrm struct {
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addr []oid.Address
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forceRemoval bool
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}
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// DeleteRes groups the resulting values of Delete operation.
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type DeleteRes struct{}
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// WithAddresses is a Delete option to set the addresses of the objects to delete.
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//
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// Option is required.
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func (p *DeletePrm) WithAddresses(addr ...oid.Address) {
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if p != nil {
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p.addr = append(p.addr, addr...)
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}
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}
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// WithForceRemoval is a Delete option to remove an object despite any
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// restrictions imposed on deleting that object. Expected to be used
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// only in control service.
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func (p *DeletePrm) WithForceRemoval() {
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if p != nil {
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p.forceRemoval = true
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}
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}
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// Delete marks the objects to be removed.
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//
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// Returns an error if executions are blocked (see BlockExecution).
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//
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// Returns apistatus.ObjectLocked if at least one object is locked.
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// In this case no object from the list is marked to be deleted.
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//
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// NOTE: Marks any object to be deleted (despite any prohibitions
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// on operations with that object) if WithForceRemoval option has
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// been provided.
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func (e *StorageEngine) Delete(prm DeletePrm) (res DeleteRes, err error) {
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err = e.execIfNotBlocked(func() error {
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res, err = e.delete(prm)
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return err
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})
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return
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}
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func (e *StorageEngine) delete(prm DeletePrm) (DeleteRes, error) {
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if e.metrics != nil {
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defer elapsed(e.metrics.AddDeleteDuration)()
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}
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var locked struct {
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is bool
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err apistatus.ObjectLocked
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}
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for i := range prm.addr {
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e.iterateOverSortedShards(prm.addr[i], func(_ int, sh hashedShard) (stop bool) {
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var existsPrm shard.ExistsPrm
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existsPrm.SetAddress(prm.addr[i])
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resExists, err := sh.Exists(existsPrm)
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if err != nil {
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e.reportShardError(sh, "could not check object existence", err)
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return false
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} else if !resExists.Exists() {
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return false
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}
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var shPrm shard.InhumePrm
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shPrm.MarkAsGarbage(prm.addr[i])
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if prm.forceRemoval {
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shPrm.ForceRemoval()
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}
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_, err = sh.Inhume(shPrm)
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if err != nil {
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e.reportShardError(sh, "could not inhume object in shard", err)
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locked.is = errors.As(err, &locked.err)
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return locked.is
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}
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return true
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})
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}
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if locked.is {
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return DeleteRes{}, locked.err
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}
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return DeleteRes{}, nil
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}
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