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
|
/*
*
* Copyright 2022 gRPC authors.
*
* Licensed 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 testutils
import (
"net"
"testing"
)
// ConnWrapper wraps a net.Conn and pushes on a channel when closed.
type ConnWrapper struct {
net.Conn
CloseCh *Channel
}
// Close closes the connection and sends a value on the close channel.
func (cw *ConnWrapper) Close() error {
err := cw.Conn.Close()
cw.CloseCh.Replace(nil)
return err
}
// ListenerWrapper wraps a net.Listener and the returned net.Conn.
//
// It pushes on a channel whenever it accepts a new connection.
type ListenerWrapper struct {
net.Listener
NewConnCh *Channel
}
// Accept wraps the Listener Accept and sends the accepted connection on a
// channel.
func (l *ListenerWrapper) Accept() (net.Conn, error) {
c, err := l.Listener.Accept()
if err != nil {
return nil, err
}
closeCh := NewChannel()
conn := &ConnWrapper{Conn: c, CloseCh: closeCh}
l.NewConnCh.Send(conn)
return conn, nil
}
// NewListenerWrapper returns a ListenerWrapper.
func NewListenerWrapper(t *testing.T, lis net.Listener) *ListenerWrapper {
if lis == nil {
var err error
lis, err = LocalTCPListener()
if err != nil {
t.Fatal(err)
}
}
return &ListenerWrapper{
Listener: lis,
NewConnCh: NewChannel(),
}
}
|
