-
Notifications
You must be signed in to change notification settings - Fork 903
/
readwriter.go
143 lines (119 loc) · 4.38 KB
/
readwriter.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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*
* 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 getty
import (
"errors"
"reflect"
)
import (
"github.com/apache/dubbo-getty"
hessian "github.com/apache/dubbo-go-hessian2"
perrors "github.com/pkg/errors"
)
import (
"dubbo.apache.org/dubbo-go/v3/common/logger"
"dubbo.apache.org/dubbo-go/v3/remoting"
)
// RpcClientPackageHandler Read data from server and Write data to server
type RpcClientPackageHandler struct {
client *Client
}
// NewRpcClientPackageHandler create a RpcClientPackageHandler
func NewRpcClientPackageHandler(client *Client) *RpcClientPackageHandler {
return &RpcClientPackageHandler{client: client}
}
// Read data from server. if the package size from server is larger than 4096 byte, server will read 4096 byte
// and send to client each time. the Read can assemble it.
func (p *RpcClientPackageHandler) Read(ss getty.Session, data []byte) (interface{}, int, error) {
resp, length, err := (p.client.codec).Decode(data)
// err := pkg.Unmarshal(buf, p.client)
if err != nil {
if errors.Is(err, hessian.ErrHeaderNotEnough) || errors.Is(err, hessian.ErrBodyNotEnough) {
return nil, 0, nil
}
logger.Errorf("pkg.Unmarshal(ss:%+v, len(@data):%d) = error:%+v", ss, len(data), err)
return nil, length, err
}
return resp, length, nil
}
// Write send the data to server
func (p *RpcClientPackageHandler) Write(ss getty.Session, pkg interface{}) ([]byte, error) {
req, ok := pkg.(*remoting.Request)
if ok {
buf, err := (p.client.codec).EncodeRequest(req)
if err != nil {
logger.Warnf("binary.Write(req{%#v}) = err{%#v}", req, perrors.WithStack(err))
return nil, perrors.WithStack(err)
}
return buf.Bytes(), nil
}
res, ok := pkg.(*remoting.Response)
if ok {
buf, err := (p.client.codec).EncodeResponse(res)
if err != nil {
logger.Warnf("binary.Write(res{%#v}) = err{%#v}", req, perrors.WithStack(err))
return nil, perrors.WithStack(err)
}
return buf.Bytes(), nil
}
logger.Errorf("illegal pkg:%+v\n", pkg)
return nil, perrors.New("invalid rpc request")
}
// RpcServerPackageHandler Read data from client and Write data to client
type RpcServerPackageHandler struct {
server *Server
}
func NewRpcServerPackageHandler(server *Server) *RpcServerPackageHandler {
return &RpcServerPackageHandler{server: server}
}
// Read data from client. if the package size from client is larger than 4096 byte, client will read 4096 byte
// and send to client each time. the Read can assemble it.
func (p *RpcServerPackageHandler) Read(ss getty.Session, data []byte) (interface{}, int, error) {
req, length, err := (p.server.codec).Decode(data)
// resp,len, err := (*p.).DecodeResponse(buf)
if err != nil {
if errors.Is(err, hessian.ErrHeaderNotEnough) || errors.Is(err, hessian.ErrBodyNotEnough) {
return nil, 0, nil
}
logger.Errorf("pkg.Unmarshal(ss:%+v, len(@data):%d) = error:%+v", ss, len(data), err)
return nil, 0, err
}
return req, length, err
}
// Write send the data to client
func (p *RpcServerPackageHandler) Write(ss getty.Session, pkg interface{}) ([]byte, error) {
res, ok := pkg.(*remoting.Response)
if ok {
buf, err := (p.server.codec).EncodeResponse(res)
if err != nil {
logger.Warnf("binary.Write(res{%#v}) = err{%#v}", res, perrors.WithStack(err))
return nil, perrors.WithStack(err)
}
return buf.Bytes(), nil
}
req, ok := pkg.(*remoting.Request)
if ok {
buf, err := (p.server.codec).EncodeRequest(req)
if err != nil {
logger.Warnf("binary.Write(req{%#v}) = err{%#v}", res, perrors.WithStack(err))
return nil, perrors.WithStack(err)
}
return buf.Bytes(), nil
}
logger.Errorf("illegal pkg:%+v\n, it is %+v", pkg, reflect.TypeOf(pkg))
return nil, perrors.New("invalid rpc response")
}