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tun: make customization of WintunPool and WintunGUID more obvious

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Persnickety consumers can now do:

    func init() {
        tun.WintunPool, _ = wintun.Pool("Flurp")
        tun.WintunStaticRequestedGUID, _ = windows.GUIDFromString("{5ae2716f-0b3e-4dc4-a8b5-48eba11a6e16}")
    }

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2020-12-22 14:09:16 +01:00
parent 756958d857
commit c27bf0bf4b
1 changed files with 3 additions and 10 deletions
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13
tun/tun_windows.go
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@@ -44,15 +44,8 @@ type NativeTun struct {
readWait windows.Handle
}
var WintunPool *wintun.Pool
func init() {
var err error
WintunPool, err = wintun.MakePool("WireGuard")
if err != nil {
panic(fmt.Errorf("Failed to make pool: %w", err))
}
}
var WintunPool, _ = wintun.MakePool("WireGuard")
var WintunStaticRequestedGUID *windows.GUID
//go:linkname procyield runtime.procyield
func procyield(cycles uint32)
@@ -65,7 +58,7 @@ func nanotime() int64
// interface with the same name exist, it is reused.
//
func CreateTUN(ifname string, mtu int) (Device, error) {
return CreateTUNWithRequestedGUID(ifname, nil, mtu)
return CreateTUNWithRequestedGUID(ifname, WintunStaticRequestedGUID, mtu)
}
//