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1 | /* | |
2 | * | |
3 | * Copyright 2014 gRPC authors. | |
4 | * | |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | * | |
17 | */ | |
18 | ||
19 | package grpc | |
20 | ||
21 | import ( | |
22 | "google.golang.org/grpc/encoding" | |
23 | _ "google.golang.org/grpc/encoding/proto" // to register the Codec for "proto" | |
24 | ) | |
25 | ||
26 | // baseCodec contains the functionality of both Codec and encoding.Codec, but | |
27 | // omits the name/string, which vary between the two and are not needed for | |
28 | // anything besides the registry in the encoding package. | |
29 | type baseCodec interface { | |
30 | Marshal(v interface{}) ([]byte, error) | |
31 | Unmarshal(data []byte, v interface{}) error | |
32 | } | |
33 | ||
34 | var _ baseCodec = Codec(nil) | |
35 | var _ baseCodec = encoding.Codec(nil) | |
36 | ||
37 | // Codec defines the interface gRPC uses to encode and decode messages. | |
38 | // Note that implementations of this interface must be thread safe; | |
39 | // a Codec's methods can be called from concurrent goroutines. | |
40 | // | |
41 | // Deprecated: use encoding.Codec instead. | |
42 | type Codec interface { | |
43 | // Marshal returns the wire format of v. | |
44 | Marshal(v interface{}) ([]byte, error) | |
45 | // Unmarshal parses the wire format into v. | |
46 | Unmarshal(data []byte, v interface{}) error | |
47 | // String returns the name of the Codec implementation. This is unused by | |
48 | // gRPC. | |
49 | String() string | |
50 | } |