This repository has been archived by the owner on Aug 24, 2021. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.go
102 lines (87 loc) · 2.19 KB
/
server.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
// Copyright 2020 The vine 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 jsonrpc
import (
"fmt"
"io"
json "github.com/json-iterator/go"
"github.com/lack-io/vine/service/codec"
)
type serverCodec struct {
dec *json.Decoder // for reading JSON values
enc *json.Encoder // for writing JSON values
c io.Closer
// temporary work space
req serverRequest
resp serverResponse
}
type serverRequest struct {
Method string `json:"method"`
Params *json.RawMessage `json:"params"`
ID interface{} `json:"id"`
}
type serverResponse struct {
ID interface{} `json:"id"`
Result interface{} `json:"result"`
Error interface{} `json:"error"`
}
func newServerCodec(conn io.ReadWriteCloser) *serverCodec {
return &serverCodec{
dec: json.NewDecoder(conn),
enc: json.NewEncoder(conn),
c: conn,
}
}
func (r *serverRequest) reset() {
r.Method = ""
if r.Params != nil {
*r.Params = (*r.Params)[0:0]
}
if r.ID != nil {
r.ID = nil
}
}
func (c *serverCodec) ReadHeader(m *codec.Message) error {
c.req.reset()
if err := c.dec.Decode(&c.req); err != nil {
return err
}
m.Method = c.req.Method
m.Id = fmt.Sprintf("%v", c.req.ID)
c.req.ID = nil
return nil
}
func (c *serverCodec) ReadBody(x interface{}) error {
if x == nil {
return nil
}
var params [1]interface{}
params[0] = x
return json.Unmarshal(*c.req.Params, ¶ms)
}
var null = json.RawMessage([]byte("null"))
func (c *serverCodec) Write(m *codec.Message, x interface{}) error {
var resp serverResponse
resp.ID = m.Id
resp.Result = x
if m.Error == "" {
resp.Error = nil
} else {
resp.Error = m.Error
}
return c.enc.Encode(resp)
}
func (c *serverCodec) Close() error {
return c.c.Close()
}