forked from hashrocket/ws
/
connection.go
72 lines (59 loc) · 1.17 KB
/
connection.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
package main
import (
"fmt"
"net/http"
"github.com/chzyer/readline"
"github.com/fatih/color"
"github.com/gorilla/websocket"
)
type session struct {
ws *websocket.Conn
rl *readline.Instance
errChan chan error
}
func connect(url, origin string, rlConf *readline.Config) error {
headers := make(http.Header)
headers.Add("Origin", origin)
ws, _, err := websocket.DefaultDialer.Dial(url, headers)
if err != nil {
return err
}
rl, err := readline.NewEx(rlConf)
if err != nil {
return err
}
defer rl.Close()
sess := &session{
ws: ws,
rl: rl,
errChan: make(chan error),
}
go sess.readConsole()
go sess.readWebsocket()
return <-sess.errChan
}
func (s *session) readConsole() {
for {
line, err := s.rl.Readline()
if err != nil {
s.errChan <- err
return
}
err = s.ws.WriteMessage(websocket.TextMessage, []byte(line))
if err != nil {
s.errChan <- err
return
}
}
}
func (s *session) readWebsocket() {
rxSprintf := color.New(color.FgGreen).SprintfFunc()
for {
_, buf, err := s.ws.ReadMessage()
if err != nil {
s.errChan <- err
return
}
fmt.Fprint(s.rl.Stdout(), rxSprintf("< %s\n", string(buf)))
}
}