| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 grpc |
| |
| import ( |
| "github.com/gogo/protobuf/proto" |
| "google.golang.org/grpc/encoding" |
| ) |
| |
| type frame struct { |
| payload []byte |
| } |
| |
| type codec struct { |
| protoCodec encoding.Codec |
| } |
| |
| //Marshal encode struct into bytes |
| func (c *codec) Marshal(f interface{}) ([]byte, error) { |
| b, ok := f.(*frame) |
| if !ok { |
| return c.protoCodec.Marshal(f) |
| } |
| return b.payload, nil |
| |
| } |
| |
| //Unmarshal decode bytes into struct |
| func (c *codec) Unmarshal(d []byte, f interface{}) error { |
| b, ok := f.(*frame) |
| if !ok { |
| return c.protoCodec.Unmarshal(d, f) |
| } |
| b.payload = d |
| return nil |
| } |
| |
| //String return name |
| func (c *codec) String() string { |
| return "proxy_codec" |
| } |
| |
| type protobufCodec struct { |
| } |
| |
| //Marshal encode struct into bytes |
| func (c *protobufCodec) Marshal(f interface{}) ([]byte, error) { |
| return proto.Marshal(f.(proto.Message)) |
| |
| } |
| |
| //Unmarshal decode bytes into struct |
| func (c *protobufCodec) Unmarshal(d []byte, f interface{}) error { |
| return proto.UnmarshalMerge(d, f.(proto.Message)) |
| } |
| |
| //Name return name |
| func (c *protobufCodec) Name() string { |
| return "protobuf_codec" |
| } |