package putsvc import ( "sync" "github.com/nspcc-dev/neofs-node/pkg/core/object" "github.com/nspcc-dev/neofs-node/pkg/network" "github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement" "github.com/nspcc-dev/neofs-node/pkg/services/object_manager/transformer" "github.com/nspcc-dev/neofs-node/pkg/util" "github.com/pkg/errors" ) type distributedTarget struct { traverseOpts []placement.Option workerPool util.WorkerPool obj *object.RawObject chunks [][]byte nodeTargetInitializer func(*network.Address) transformer.ObjectTarget fmt *object.FormatValidator } var errIncompletePut = errors.New("incomplete object put") func (t *distributedTarget) WriteHeader(obj *object.RawObject) error { t.obj = obj return nil } func (t *distributedTarget) Write(p []byte) (n int, err error) { t.chunks = append(t.chunks, p) return len(p), nil } func (t *distributedTarget) Close() (*transformer.AccessIdentifiers, error) { traverser, err := placement.NewTraverser( append(t.traverseOpts, placement.ForObject(t.obj.GetID()))..., ) if err != nil { return nil, errors.Wrapf(err, "(%T) could not create object placement traverser", t) } sz := 0 for i := range t.chunks { sz += len(t.chunks[i]) } payload := make([]byte, 0, sz) for i := range t.chunks { payload = append(payload, t.chunks[i]...) } if err := t.fmt.ValidateContent(t.obj.GetType(), payload); err != nil { return nil, errors.Wrapf(err, "(%T) could not validate payload content", t) } t.obj.SetPayload(payload) loop: for { addrs := traverser.Next() if len(addrs) == 0 { break } wg := new(sync.WaitGroup) for i := range addrs { wg.Add(1) addr := addrs[i] if err := t.workerPool.Submit(func() { defer wg.Done() target := t.nodeTargetInitializer(addr) if err := target.WriteHeader(t.obj); err != nil { // TODO: log error return } else if _, err := target.Close(); err != nil { // TODO: log error return } traverser.SubmitSuccess() }); err != nil { wg.Done() // TODO: log error break loop } } wg.Wait() } if !traverser.Success() { return nil, errIncompletePut } return new(transformer.AccessIdentifiers). WithSelfID(t.obj.GetID()), nil }