Files
gluetun/internal/netlink/route.go
Quentin McGaw 38ddcfa756 chore(netlink): define own types with minimal fields
- Allow to swap `github.com/vishvananda/netlink`
- Allow to add build tags for each platform
- One step closer to development on non-Linux platforms
2023-05-29 06:44:58 +00:00

75 lines
1.8 KiB
Go

package netlink
import (
"net/netip"
"github.com/vishvananda/netlink"
)
type Route struct {
LinkIndex int
Dst netip.Prefix
Src netip.Addr
Gw netip.Addr
Priority int
Family int
Table int
Type int
}
func (n *NetLink) RouteList(link *Link, family int) (
routes []Route, err error) {
netlinkLink := linkToNetlinkLink(link)
netlinkRoutes, err := netlink.RouteList(netlinkLink, family)
if err != nil {
return nil, err
}
routes = make([]Route, len(netlinkRoutes))
for i := range netlinkRoutes {
routes[i] = netlinkRouteToRoute(netlinkRoutes[i])
}
return routes, nil
}
func (n *NetLink) RouteAdd(route Route) error {
netlinkRoute := routeToNetlinkRoute(route)
return netlink.RouteAdd(&netlinkRoute)
}
func (n *NetLink) RouteDel(route Route) error {
netlinkRoute := routeToNetlinkRoute(route)
return netlink.RouteDel(&netlinkRoute)
}
func (n *NetLink) RouteReplace(route Route) error {
netlinkRoute := routeToNetlinkRoute(route)
return netlink.RouteReplace(&netlinkRoute)
}
func netlinkRouteToRoute(netlinkRoute netlink.Route) (route Route) {
return Route{
LinkIndex: netlinkRoute.LinkIndex,
Dst: netIPNetToNetipPrefix(netlinkRoute.Dst),
Src: netIPToNetipAddress(netlinkRoute.Src),
Gw: netIPToNetipAddress(netlinkRoute.Gw),
Priority: netlinkRoute.Priority,
Family: netlinkRoute.Family,
Table: netlinkRoute.Table,
Type: netlinkRoute.Type,
}
}
func routeToNetlinkRoute(route Route) (netlinkRoute netlink.Route) {
return netlink.Route{
LinkIndex: route.LinkIndex,
Dst: netipPrefixToIPNet(route.Dst),
Src: netipAddrToNetIP(route.Src),
Gw: netipAddrToNetIP(route.Gw),
Priority: route.Priority,
Family: route.Family,
Table: route.Table,
Type: route.Type,
}
}