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- /*
- *
- * Copyright 2018 gRPC 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 proto defines the protobuf codec. Importing this package will
- // register the codec.
- package proto
- import (
- "fmt"
- "github.com/golang/protobuf/proto"
- "google.golang.org/grpc/encoding"
- )
- // Name is the name registered for the proto compressor.
- const Name = "proto"
- func init() {
- encoding.RegisterCodec(codec{})
- }
- // codec is a Codec implementation with protobuf. It is the default codec for gRPC.
- type codec struct{}
- func (codec) Marshal(v interface{}) ([]byte, error) {
- vv, ok := v.(proto.Message)
- if !ok {
- return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v)
- }
- return proto.Marshal(vv)
- }
- func (codec) Unmarshal(data []byte, v interface{}) error {
- vv, ok := v.(proto.Message)
- if !ok {
- return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v)
- }
- return proto.Unmarshal(data, vv)
- }
- func (codec) Name() string {
- return Name
- }
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