cwinfo/yggdrasil-go
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add some artifical delay to windows netsh commands, since it seems like maybe they don't take effect immediately, and this was leading to races when setting MTU

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This commit is contained in:
Arceliar 2019-09-01 13:20:48 -05:00
parent c53831696b
commit 8d2c31d39c
1 changed files with 5 additions and 0 deletions
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5
src/tuntap/tun_windows.go
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@ -5,6 +5,7 @@ import (
"fmt" "fmt"
"os/exec" "os/exec"
"strings" "strings"
"time"
water "github.com/yggdrasil-network/water" water "github.com/yggdrasil-network/water"
) )
@ -42,6 +43,7 @@ func (tun *TunAdapter) setup(ifname string, iftapmode bool, addr string, mtu int
tun.log.Traceln(string(output)) tun.log.Traceln(string(output))
return err return err
} }
time.Sleep(time.Second) // FIXME artifical delay to give netsh time to take effect
// Bring the interface back up // Bring the interface back up
cmd = exec.Command("netsh", "interface", "set", "interface", iface.Name(), "admin=ENABLED") cmd = exec.Command("netsh", "interface", "set", "interface", iface.Name(), "admin=ENABLED")
tun.log.Debugln("netsh command:", strings.Join(cmd.Args, " ")) tun.log.Debugln("netsh command:", strings.Join(cmd.Args, " "))
@ -51,6 +53,7 @@ func (tun *TunAdapter) setup(ifname string, iftapmode bool, addr string, mtu int
tun.log.Traceln(string(output)) tun.log.Traceln(string(output))
return err return err
} }
time.Sleep(time.Second) // FIXME artifical delay to give netsh time to take effect
// Get a new iface // Get a new iface
iface, err = water.New(config) iface, err = water.New(config)
if err != nil { if err != nil {
@ -86,6 +89,7 @@ func (tun *TunAdapter) setupMTU(mtu int) error {
tun.log.Traceln(string(output)) tun.log.Traceln(string(output))
return err return err
} }
time.Sleep(time.Second) // FIXME artifical delay to give netsh time to take effect
return nil return nil
} }
@ -106,5 +110,6 @@ func (tun *TunAdapter) setupAddress(addr string) error {
tun.log.Traceln(string(output)) tun.log.Traceln(string(output))
return err return err
} }
time.Sleep(time.Second) // FIXME artifical delay to give netsh time to take effect
return nil return nil
} }