package engine import ( "context" "errors" "github.com/nspcc-dev/neofs-node/pkg/core/object" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard" objectSDK "github.com/nspcc-dev/neofs-sdk-go/object" ) // InhumePrm encapsulates parameters for inhume operation. type InhumePrm struct { tombstone *objectSDK.Address addrs []*objectSDK.Address } // InhumeRes encapsulates results of inhume operation. type InhumeRes struct{} // WithTarget sets list of objects that should be inhumed and tombstone address // as the reason for inhume operation. // // tombstone should not be nil, addr should not be empty. // Should not be called along with MarkAsGarbage. func (p *InhumePrm) WithTarget(tombstone *objectSDK.Address, addrs ...*objectSDK.Address) *InhumePrm { if p != nil { p.addrs = addrs p.tombstone = tombstone } return p } // MarkAsGarbage marks object to be physically removed from local storage. // // Should not be called along with WithTarget. func (p *InhumePrm) MarkAsGarbage(addrs ...*objectSDK.Address) *InhumePrm { if p != nil { p.addrs = addrs p.tombstone = nil } return p } var errInhumeFailure = errors.New("inhume operation failed") // Inhume calls metabase. Inhume method to mark object as removed. It won't be // removed physically from shard until `Delete` operation. // // Returns an error if executions are blocked (see BlockExecution). func (e *StorageEngine) Inhume(prm *InhumePrm) (res *InhumeRes, err error) { err = e.execIfNotBlocked(func() error { res, err = e.inhume(prm) return err }) return } func (e *StorageEngine) inhume(prm *InhumePrm) (*InhumeRes, error) { if e.metrics != nil { defer elapsed(e.metrics.AddInhumeDuration)() } shPrm := new(shard.InhumePrm) for i := range prm.addrs { if prm.tombstone != nil { shPrm.WithTarget(prm.tombstone, prm.addrs[i]) } else { shPrm.MarkAsGarbage(prm.addrs[i]) } ok := e.inhumeAddr(prm.addrs[i], shPrm, true) if !ok { ok = e.inhumeAddr(prm.addrs[i], shPrm, false) if !ok { return nil, errInhumeFailure } } } return new(InhumeRes), nil } func (e *StorageEngine) inhumeAddr(addr *objectSDK.Address, prm *shard.InhumePrm, checkExists bool) (ok bool) { root := false e.iterateOverSortedShards(addr, func(_ int, sh hashedShard) (stop bool) { defer func() { // if object is root we continue since information about it // can be presented in other shards if checkExists && root { stop = false } }() if checkExists { exRes, err := sh.Exists(new(shard.ExistsPrm). WithAddress(addr), ) if err != nil { if errors.Is(err, object.ErrAlreadyRemoved) { // inhumed once - no need to be inhumed again ok = true return true } var siErr *objectSDK.SplitInfoError if !errors.As(err, &siErr) { e.reportShardError(sh, "could not check for presents in shard", err) return } root = true } else if !exRes.Exists() { return } } _, err := sh.Inhume(prm) if err != nil { e.reportShardError(sh, "could not inhume object in shard", err) } else { ok = true } return err == nil }) return } func (e *StorageEngine) processExpiredTombstones(ctx context.Context, addrs []*objectSDK.Address) { tss := make(map[string]struct{}, len(addrs)) for i := range addrs { tss[addrs[i].String()] = struct{}{} } e.iterateOverUnsortedShards(func(sh hashedShard) (stop bool) { sh.HandleExpiredTombstones(tss) select { case <-ctx.Done(): return true default: return false } }) }