conn.go
2.22 KB
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
package net
import (
"bufio"
"fmt"
"net"
"pro2d/src/common"
"pro2d/src/components/logger"
)
type Head struct {
Length int32
Cmd int32
ErrCode int32
PreField int32
}
type Connection struct {
net.Conn
Id int
Server *Server
scanner *bufio.Scanner
writer *bufio.Writer
WBuffer chan []byte
RBuffer chan *MsgPkg
Quit chan *Connection
}
type MsgPkg struct {
Head *Head
Body []byte
Conn *Connection
}
func NewConn(id int, conn net.Conn, s *Server) *Connection {
return &Connection{
Id: id,
Conn: conn,
Server: s,
scanner: bufio.NewScanner(conn),
writer: bufio.NewWriter(conn),
WBuffer: make(chan []byte),
RBuffer: make(chan *MsgPkg),
Quit: make(chan *Connection),
}
}
func (c *Connection) write() {
defer c.Quiting()
for msg := range c.WBuffer {
if _, err := c.writer.Write(msg); err != nil {
fmt.Println("write fail err: " + err.Error())
return
}
if err := c.writer.Flush(); err != nil {
fmt.Println("write Flush fail err: " + err.Error())
return
}
}
}
func (c *Connection) read() {
defer c.Quiting()
c.scanner.Split(ParseMsg)
for c.scanner.Scan() {
req, err := DecodeMsg(c.scanner.Bytes())
if err != nil {
return
}
req.Conn = c
//得到需要处理此条连接的workerID
workerID := c.Id % c.Server.SConf.WorkerPoolSize
//将请求消息发送给任务队列
c.Server.TaskQueue[workerID] <- req
//备注，可以在当前协程处理当条请求(如下, 实现很简单，已经删除)，也可以丢到协程池里处理任务(如上)，还未对比效果。
//c.Server.OnRecv(req)
}
if err := c.scanner.Err(); err != nil {
fmt.Printf("scanner.err: %s\n", err.Error())
c.Quiting()
return
}
}
func (c *Connection) Start() {
go c.write()
go c.read()
}
func (c *Connection) Stop() {
close(c.RBuffer)
close(c.WBuffer)
c.Conn.Close()
}
func (c *Connection) Quiting() {
c.Server.OnClose(c)
}
func (c *Connection) SendMsgByCode(errCode int32, cmd int32, data []byte){
h := &Head{
Length: int32(common.HEADLEN + len(data)),
Cmd: cmd,
ErrCode: errCode,
PreField: 0,
}
pkg := &MsgPkg{
Head: h,
Body: data,
}
buf, err := EncodeMsg(pkg)
if err != nil {
logger.Error("SendMsg error: %v", err)
return
}
c.WBuffer <- buf
}