TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2025-01-05 14:57:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

wgengine/router/dns: run ipconfig /registerdns async, log timing

Browse Source 
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2020-11-03 09:59:50 -08:00 committed by Brad Fitzpatrick
parent 1036f51a56
commit 28f6552646
1 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
wgengine/router/dns/manager_windows.go
View File

@ -9,6 +9,7 @@
"os/exec"
"strings"
"syscall"
"time"
"github.com/tailscale/wireguard-go/tun"
"golang.org/x/sys/windows/registry"
@ -96,12 +97,19 @@ func (m windowsManager) Up(config Config) error {
// have changed, which makes the DNS settings actually take
// effect.
//
// This command can take a few seconds to run.
cmd := exec.Command("ipconfig", "/registerdns")
cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
if err := cmd.Run(); err != nil {
return fmt.Errorf("running ipconfig /registerdns: %w", err)
}
// This command can take a few seconds to run, so run it async, best effort.
go func() {
t0 := time.Now()
m.logf("running ipconfig /registerdns ...")
cmd := exec.Command("ipconfig", "/registerdns")
cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
d := time.Since(t0).Round(time.Millisecond)
if err := cmd.Run(); err != nil {
m.logf("error running ipconfig /registerdns after %v: %v", d, err)
} else {
m.logf("ran ipconfig /registerdns in %v", d)
}
}()
return nil
}