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internal.go
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/
internal.go
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// Copyright 2017 Pilosa Corp.
//
// 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 internal
import (
"io"
"io/ioutil"
"github.com/gogo/protobuf/proto"
)
//go:generate protoc --gofast_out=. private.proto
//go:generate protoc --gofast_out=. public.proto
type Request proto.Message
type Response proto.Message
// Encoder encodes messages to a writer.
type Encoder struct {
w io.Writer
}
// NewEncoder returns a new instance of Encoder.
func NewEncoder(w io.Writer) *Encoder {
return &Encoder{w: w}
}
// Encode marshals m into bytes and writes them to r.
func (enc *Encoder) Encode(pb proto.Message) error {
buf, err := proto.Marshal(pb)
if err != nil {
return err
}
if _, err := enc.w.Write(buf); err != nil {
return err
}
return nil
}
// Decoder decodes messages from a reader.
type Decoder struct {
r io.Reader
}
// NewDecoder returns a new instance of Decoder.
func NewDecoder(r io.Reader) *Decoder {
return &Decoder{r: r}
}
// Decode reads all bytes from the reader and unmarshals them into pb.
func (dec *Decoder) Decode(pb proto.Message) error {
buf, err := ioutil.ReadAll(dec.r)
if err != nil {
return err
}
return proto.Unmarshal(buf, pb)
}