34 lines
752 B
Go
34 lines
752 B
Go
package destructive
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import (
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"github.com/vishvananda/netlink"
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)
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// NetworkConnectionController removes and restores network connection.
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type NetworkConnectionController struct {
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defRoute *netlink.Route
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}
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// Enable removes default route.
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func (t *NetworkConnectionController) Enable() error {
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link, err := netlink.LinkByName("eth0")
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if err != nil {
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return err
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}
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// order is determentistic, but we can remove all routes if necessary
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routes, err := netlink.RouteList(link, 4)
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if err != nil {
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return err
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}
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t.defRoute = &routes[0]
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return netlink.RouteDel(&routes[0])
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}
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// Disable removes default route.
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func (t *NetworkConnectionController) Disable() error {
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if t.defRoute != nil {
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return netlink.RouteAdd(t.defRoute)
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}
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return nil
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}
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