-
Notifications
You must be signed in to change notification settings - Fork 142
/
pipe.go
72 lines (58 loc) · 1.26 KB
/
pipe.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 spdy
import (
"net"
"github.com/docker/libchan"
)
type pipeSender struct {
session *Transport
sender libchan.Sender
}
type pipeReceiver struct {
session *Transport
receiver libchan.Receiver
}
// Pipe creates a top-level channel pipe using an in memory transport.
func Pipe() (libchan.Receiver, libchan.Sender, error) {
c1, c2 := net.Pipe()
s1, err := newSession(c1, false)
if err != nil {
return nil, nil, err
}
s2, err := newSession(c2, true)
if err != nil {
return nil, nil, err
}
var receiver libchan.Receiver
waitError := make(chan error)
go func() {
var err error
receiver, err = s2.WaitReceiveChannel()
waitError <- err
}()
sender, senderErr := s1.NewSendChannel()
if senderErr != nil {
c1.Close()
c2.Close()
return nil, nil, senderErr
}
receiveErr := <-waitError
if receiveErr != nil {
c1.Close()
c2.Close()
return nil, nil, receiveErr
}
return &pipeReceiver{s2, receiver}, &pipeSender{s1, sender}, nil
}
func (p *pipeSender) Send(message interface{}) error {
return p.sender.Send(message)
}
func (p *pipeSender) Close() error {
err := p.sender.Close()
if err != nil {
return err
}
return p.session.Close()
}
func (p *pipeReceiver) Receive(message interface{}) error {
return p.receiver.Receive(message)
}