package rangesvc import ( "context" "io" "github.com/nspcc-dev/neofs-api-go/pkg/client" "github.com/nspcc-dev/neofs-api-go/pkg/object" "github.com/nspcc-dev/neofs-api-go/pkg/token" "github.com/nspcc-dev/neofs-node/pkg/network" "github.com/nspcc-dev/neofs-node/pkg/services/object/util" "github.com/pkg/errors" ) type remoteRangeWriter struct { ctx context.Context keyStorage *util.KeyStorage node *network.Address token *token.SessionToken addr *object.Address rng *object.Range } func (r *remoteRangeWriter) WriteTo(w io.Writer) (int64, error) { key, err := r.keyStorage.GetKey(r.token) if err != nil { return 0, errors.Wrapf(err, "(%T) could not receive private key", r) } addr, err := r.node.NetAddr() if err != nil { return 0, err } c, err := client.New(key, client.WithAddress(addr), ) if err != nil { return 0, errors.Wrapf(err, "(%T) could not create SDK client %s", r, addr) } // TODO: change ObjectPayloadRangeData to implement WriterTo chunk, err := c.ObjectPayloadRangeData(r.ctx, new(client.RangeDataParams). WithRange(r.rng). WithAddress(r.addr), client.WithTTL(1), // FIXME: use constant client.WithSession(r.token), ) if err != nil { return 0, errors.Wrapf(err, "(%T) could not read object payload range from %s", r, addr) } n, err := w.Write(chunk) return int64(n), err }