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chore: use singleDo to get interface info

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This commit is contained in:
Dreamacro
2021-01-13 17:30:54 +08:00
parent b6ee47a541
commit e4cdea2111
2 changed files with 22 additions and 10 deletions
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14
component/dialer/bind_darwin.go
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@ -29,23 +29,25 @@ func bindControl(ifaceIdx int) controlFn {
}
func bindIfaceToDialer(dialer *net.Dialer, ifaceName string) error {
iface, err := net.InterfaceByName(ifaceName)
iface, err, _ := ifaceSingle.Do(func() (interface{}, error) {
return net.InterfaceByName(ifaceName)
})
if err != nil {
return err
}
dialer.Control = bindControl(iface.Index)
dialer.Control = bindControl(iface.(*net.Interface).Index)
return nil
}
func bindIfaceToListenConfig(lc *net.ListenConfig, ifaceName string) error {
iface, err := net.InterfaceByName(ifaceName)
iface, err, _ := ifaceSingle.Do(func() (interface{}, error) {
return net.InterfaceByName(ifaceName)
})
if err != nil {
return err
}
lc.Control = bindControl(iface.Index)
lc.Control = bindControl(iface.(*net.Interface).Index)
return nil
}