diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go')
| -rw-r--r-- | vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go index 8af889d35..0f33e1d82 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/serializer/protobuf/protobuf.go @@ -203,7 +203,7 @@ func (s *Serializer) Encode(obj runtime.Object, w io.Writer) error { switch t := obj.(type) { case bufferedMarshaller: // this path performs a single allocation during write but requires the caller to implement - // the more efficient Size and MarshalTo methods + // the more efficient Size and MarshalToSizedBuffer methods encodedSize := uint64(t.Size()) estimatedSize := prefixSize + estimateUnknownSize(&unk, encodedSize) data := make([]byte, estimatedSize) @@ -283,6 +283,12 @@ type bufferedMarshaller interface { runtime.ProtobufMarshaller } +// Like bufferedMarshaller, but is able to marshal backwards, which is more efficient since it doesn't call Size() as frequently. +type bufferedReverseMarshaller interface { + proto.Sizer + runtime.ProtobufReverseMarshaller +} + // estimateUnknownSize returns the expected bytes consumed by a given runtime.Unknown // object with a nil RawJSON struct and the expected size of the provided buffer. The // returned size will not be correct if RawJSOn is set on unk. @@ -414,6 +420,19 @@ func unmarshalToObject(typer runtime.ObjectTyper, creater runtime.ObjectCreater, // Encode serializes the provided object to the given writer. Overrides is ignored. func (s *RawSerializer) Encode(obj runtime.Object, w io.Writer) error { switch t := obj.(type) { + case bufferedReverseMarshaller: + // this path performs a single allocation during write but requires the caller to implement + // the more efficient Size and MarshalToSizedBuffer methods + encodedSize := uint64(t.Size()) + data := make([]byte, encodedSize) + + n, err := t.MarshalToSizedBuffer(data) + if err != nil { + return err + } + _, err = w.Write(data[:n]) + return err + case bufferedMarshaller: // this path performs a single allocation during write but requires the caller to implement // the more efficient Size and MarshalTo methods |