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Diffstat (limited to 'kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/serializer/streaming/streaming.go')
-rw-r--r--kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/serializer/streaming/streaming.go137
1 files changed, 0 insertions, 137 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/serializer/streaming/streaming.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/serializer/streaming/streaming.go
deleted file mode 100644
index ac17138..0000000
--- a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/runtime/serializer/streaming/streaming.go
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
-Copyright 2015 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// Package streaming implements encoder and decoder for streams
-// of runtime.Objects over io.Writer/Readers.
-package streaming
-
-import (
- "bytes"
- "fmt"
- "io"
-
- "k8s.io/kubernetes/pkg/api/unversioned"
- "k8s.io/kubernetes/pkg/runtime"
-)
-
-// Encoder is a runtime.Encoder on a stream.
-type Encoder interface {
- // Encode will write the provided object to the stream or return an error. It obeys the same
- // contract as runtime.VersionedEncoder.
- Encode(obj runtime.Object) error
-}
-
-// Decoder is a runtime.Decoder from a stream.
-type Decoder interface {
- // Decode will return io.EOF when no more objects are available.
- Decode(defaults *unversioned.GroupVersionKind, into runtime.Object) (runtime.Object, *unversioned.GroupVersionKind, error)
- // Close closes the underlying stream.
- Close() error
-}
-
-// Serializer is a factory for creating encoders and decoders that work over streams.
-type Serializer interface {
- NewEncoder(w io.Writer) Encoder
- NewDecoder(r io.ReadCloser) Decoder
-}
-
-type decoder struct {
- reader io.ReadCloser
- decoder runtime.Decoder
- buf []byte
- maxBytes int
- resetRead bool
-}
-
-// NewDecoder creates a streaming decoder that reads object chunks from r and decodes them with d.
-// The reader is expected to return ErrShortRead if the provided buffer is not large enough to read
-// an entire object.
-func NewDecoder(r io.ReadCloser, d runtime.Decoder) Decoder {
- return &decoder{
- reader: r,
- decoder: d,
- buf: make([]byte, 1024),
- maxBytes: 1024 * 1024,
- }
-}
-
-var ErrObjectTooLarge = fmt.Errorf("object to decode was longer than maximum allowed size")
-
-// Decode reads the next object from the stream and decodes it.
-func (d *decoder) Decode(defaults *unversioned.GroupVersionKind, into runtime.Object) (runtime.Object, *unversioned.GroupVersionKind, error) {
- base := 0
- for {
- n, err := d.reader.Read(d.buf[base:])
- if err == io.ErrShortBuffer {
- if n == 0 {
- return nil, nil, fmt.Errorf("got short buffer with n=0, base=%d, cap=%d", base, cap(d.buf))
- }
- if d.resetRead {
- continue
- }
- // double the buffer size up to maxBytes
- if len(d.buf) < d.maxBytes {
- base += n
- d.buf = append(d.buf, make([]byte, len(d.buf))...)
- continue
- }
- // must read the rest of the frame (until we stop getting ErrShortBuffer)
- d.resetRead = true
- base = 0
- return nil, nil, ErrObjectTooLarge
- }
- if err != nil {
- return nil, nil, err
- }
- if d.resetRead {
- // now that we have drained the large read, continue
- d.resetRead = false
- continue
- }
- base += n
- break
- }
- return d.decoder.Decode(d.buf[:base], defaults, into)
-}
-
-func (d *decoder) Close() error {
- return d.reader.Close()
-}
-
-type encoder struct {
- writer io.Writer
- encoder runtime.Encoder
- buf *bytes.Buffer
-}
-
-// NewEncoder returns a new streaming encoder.
-func NewEncoder(w io.Writer, e runtime.Encoder) Encoder {
- return &encoder{
- writer: w,
- encoder: e,
- buf: &bytes.Buffer{},
- }
-}
-
-// Encode writes the provided object to the nested writer.
-func (e *encoder) Encode(obj runtime.Object) error {
- if err := e.encoder.Encode(obj, e.buf); err != nil {
- return err
- }
- _, err := e.writer.Write(e.buf.Bytes())
- e.buf.Reset()
- return err
-}