mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 14:50:24 +00:00
57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
|
/*
|
||
|
|
Copyright 2014 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 versioned
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
|
||
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||
|
|
"k8s.io/apimachinery/pkg/runtime"
|
||
|
|
"k8s.io/apimachinery/pkg/runtime/serializer/streaming"
|
||
|
|
"k8s.io/apimachinery/pkg/watch"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Encoder serializes watch.Events into io.Writer. The internal objects
|
||
|
|
// are encoded using embedded encoder, and the outer Event is serialized
|
||
|
|
// using encoder.
|
||
|
|
// TODO: this type is only used by tests
|
||
|
|
type Encoder struct {
|
||
|
|
encoder streaming.Encoder
|
||
|
|
embeddedEncoder runtime.Encoder
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewEncoder(encoder streaming.Encoder, embeddedEncoder runtime.Encoder) *Encoder {
|
||
|
|
return &Encoder{
|
||
|
|
encoder: encoder,
|
||
|
|
embeddedEncoder: embeddedEncoder,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Encode writes an event to the writer. Returns an error
|
||
|
|
// if the writer is closed or an object can't be encoded.
|
||
|
|
func (e *Encoder) Encode(event *watch.Event) error {
|
||
|
|
data, err := runtime.Encode(e.embeddedEncoder, event.Object)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
// FIXME: get rid of json.RawMessage.
|
||
|
|
return e.encoder.Encode(&metav1.WatchEvent{
|
||
|
|
Type: string(event.Type),
|
||
|
|
Object: runtime.RawExtension{Raw: json.RawMessage(data)},
|
||
|
|
})
|
||
|
|
}
|