-
Notifications
You must be signed in to change notification settings - Fork 0
/
ser_quic.go
211 lines (186 loc) · 4.25 KB
/
ser_quic.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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
package server
import (
"context"
"log"
"reflect"
"strings"
"time"
"github.com/glstr/gwatcher/msg"
"github.com/glstr/gwatcher/util"
quic "github.com/lucas-clemente/quic-go"
)
type QuicServer struct {
addr string
cancelF context.CancelFunc
}
func NewQuicServer(addr string) *QuicServer {
return &QuicServer{
addr: addr,
}
}
func MakeServerQuicConf() *quic.Config {
return &quic.Config{
MaxIncomingStreams: 2,
}
}
func (s *QuicServer) Start() error {
log.Printf("start quic server")
listener, err := quic.ListenAddr(s.addr, util.GenerateTLSConfig(), MakeServerQuicConf())
if err != nil {
return err
}
for {
ctx, cancelF := context.WithCancel(context.Background())
s.cancelF = cancelF
sess, err := listener.Accept(ctx)
if err != nil {
util.Notice("quic accept failed, error_msg:%s", err.Error())
continue
}
//go handleSession(sess)
util.Notice("new sess accept")
handler := NewQuicHanlder(sess)
handler.Start()
}
}
func (s *QuicServer) Stop() {
if s.cancelF != nil {
s.cancelF()
}
}
//func handleSession(sess quic.Session) error {
// stream, err := sess.AcceptStream(context.Background())
// if err != nil {
// log.Printf("accept stream failed, error_msg:%s", err.Error())
// return err
// }
//
// log.Printf("stream_id:%d", stream.StreamID())
// // Echo through the loggingWriter
// return err
//}
type QuicHandler struct {
s quic.Session
readQueue chan *msg.MessageContainer
writeQueue chan *msg.MessageContainer
done <-chan struct{}
}
func NewQuicHanlder(s quic.Session) *QuicHandler {
return &QuicHandler{
s: s,
readQueue: make(chan *msg.MessageContainer, 1024),
writeQueue: make(chan *msg.MessageContainer, 1024),
done: make(<-chan struct{}),
}
}
func (qh *QuicHandler) Start() error {
go qh.ReadLoop()
go qh.Process()
go qh.WriteLoop()
return nil
}
func (qh *QuicHandler) Stop() error {
err := qh.s.CloseWithError(quic.ApplicationErrorCode(0), "")
if err != nil {
util.Notice("close session failed:%s", err.Error())
}
return err
}
func (qh *QuicHandler) ReadLoop() error {
for {
select {
case <-qh.done:
util.Notice("read loop exit")
default:
}
stream, err := qh.s.AcceptStream(context.Background())
if err != nil {
util.Notice("accept stream failed:%s", err.Error())
return err
}
util.Notice("new stream:%d", stream.StreamID())
go func() {
err := qh.readFromStream(stream)
if err != nil {
util.Notice("read from stream failed:%s", err.Error())
qh.Stop()
return
}
}()
}
}
func (qh *QuicHandler) readFromStream(stream quic.Stream) error {
//defer stream.CancelRead(0)
parser := msg.NewParser()
msg, err := parser.Unmarshal(stream)
stream.Close()
if err != nil {
util.Notice("parse stream packet failed:%s", err.Error())
return err
}
util.Notice("server read len:%d", len(msg.Data))
qh.readQueue <- msg
return nil
}
func (qh *QuicHandler) Process() {
for {
select {
case <-qh.done:
util.Notice("process done")
return
case req := <-qh.readQueue:
res := qh.process(req)
qh.writeQueue <- res
}
}
}
func (qh *QuicHandler) WriteLoop() {
for {
select {
case <-qh.done:
util.Notice("write loop exit")
return
case res := <-qh.writeQueue:
err := qh.WriteToStream(res)
if err != nil {
util.Notice("write to stream failed:%s", err.Error())
qh.Stop()
}
}
}
}
func (qh *QuicHandler) WriteToStream(msgContainer *msg.MessageContainer) error {
var err error
for i := 0; i < 3; i++ {
var stream quic.Stream
stream, err = qh.s.OpenStream()
if err != nil {
util.Notice("open stream failed:%v", reflect.TypeOf(err))
if strings.Contains(err.Error(), "too many open streams") {
time.Sleep(5 * time.Second)
continue
}
return err
}
defer stream.Close()
parser := msg.NewParser()
err = parser.Marshal(stream, msgContainer)
if err != nil {
util.Notice("parser marshal failed")
return err
}
util.Notice("server write len:%d", len(msgContainer.Data))
return nil
}
return err
}
func (qh *QuicHandler) process(req *msg.MessageContainer) *msg.MessageContainer {
res := &msg.MessageContainer{}
res.Id = req.Id + 100000
res.Data = req.Data
return res
}
type Processor struct{}
func (p *Processor) Process(req *msg.MessageContainer) *msg.MessageContainer {
return nil
}