blob: 0c4b74e7489572572b5a9581a99e6d56d75489d9 (
plain) (
blame)
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
|
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019-2022 WireGuard LLC. All Rights Reserved.
*/
package conf
import (
"log"
"golang.org/x/sys/windows"
)
var haveStartedWatchingConfigDir bool
func startWatchingConfigDir() {
if haveStartedWatchingConfigDir {
return
}
haveStartedWatchingConfigDir = true
go func() {
h := windows.InvalidHandle
defer func() {
if h != windows.InvalidHandle {
windows.FindCloseChangeNotification(h)
}
haveStartedWatchingConfigDir = false
}()
startover:
configFileDir, err := tunnelConfigurationsDirectory()
if err != nil {
return
}
h, err = windows.FindFirstChangeNotification(configFileDir, true, windows.FILE_NOTIFY_CHANGE_FILE_NAME|windows.FILE_NOTIFY_CHANGE_DIR_NAME|windows.FILE_NOTIFY_CHANGE_ATTRIBUTES|windows.FILE_NOTIFY_CHANGE_SIZE|windows.FILE_NOTIFY_CHANGE_LAST_WRITE|windows.FILE_NOTIFY_CHANGE_LAST_ACCESS|windows.FILE_NOTIFY_CHANGE_CREATION|windows.FILE_NOTIFY_CHANGE_SECURITY)
if err != nil {
log.Printf("Unable to monitor config directory: %v", err)
return
}
for {
s, err := windows.WaitForSingleObject(h, windows.INFINITE)
if err != nil || s == windows.WAIT_FAILED {
log.Printf("Unable to wait on config directory watcher: %v", err)
windows.FindCloseChangeNotification(h)
h = windows.InvalidHandle
goto startover
}
for cb := range storeCallbacks {
cb.cb()
}
err = windows.FindNextChangeNotification(h)
if err != nil {
log.Printf("Unable to monitor config directory again: %v", err)
windows.FindCloseChangeNotification(h)
h = windows.InvalidHandle
goto startover
}
}
}()
}
|
