headscale/hscontrol/types/routes.go

103 lines
2.1 KiB
Go

package types
import (
"fmt"
"net/netip"
v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
"google.golang.org/protobuf/types/known/timestamppb"
"gorm.io/gorm"
)
var (
ExitRouteV4 = netip.MustParsePrefix("0.0.0.0/0")
ExitRouteV6 = netip.MustParsePrefix("::/0")
)
type Route struct {
gorm.Model
NodeID uint64
Node Node
// TODO(kradalby): change this custom type to netip.Prefix
Prefix IPPrefix
Advertised bool
Enabled bool
IsPrimary bool
}
type Routes []Route
func (r *Route) String() string {
return fmt.Sprintf("%s:%s", r.Node.Hostname, netip.Prefix(r.Prefix).String())
}
func (r *Route) IsExitRoute() bool {
return netip.Prefix(r.Prefix) == ExitRouteV4 || netip.Prefix(r.Prefix) == ExitRouteV6
}
func (r *Route) IsAnnouncable() bool {
return r.Advertised && r.Enabled
}
func (rs Routes) Prefixes() []netip.Prefix {
prefixes := make([]netip.Prefix, len(rs))
for i, r := range rs {
prefixes[i] = netip.Prefix(r.Prefix)
}
return prefixes
}
// Primaries returns Primary routes from a list of routes.
func (rs Routes) Primaries() Routes {
res := make(Routes, 0)
for _, route := range rs {
if route.IsPrimary {
res = append(res, route)
}
}
return res
}
func (rs Routes) PrefixMap() map[IPPrefix][]Route {
res := map[IPPrefix][]Route{}
for _, route := range rs {
if _, ok := res[route.Prefix]; ok {
res[route.Prefix] = append(res[route.Prefix], route)
} else {
res[route.Prefix] = []Route{route}
}
}
return res
}
func (rs Routes) Proto() []*v1.Route {
protoRoutes := []*v1.Route{}
for _, route := range rs {
protoRoute := v1.Route{
Id: uint64(route.ID),
Node: route.Node.Proto(),
Prefix: netip.Prefix(route.Prefix).String(),
Advertised: route.Advertised,
Enabled: route.Enabled,
IsPrimary: route.IsPrimary,
CreatedAt: timestamppb.New(route.CreatedAt),
UpdatedAt: timestamppb.New(route.UpdatedAt),
}
if route.DeletedAt.Valid {
protoRoute.DeletedAt = timestamppb.New(route.DeletedAt.Time)
}
protoRoutes = append(protoRoutes, &protoRoute)
}
return protoRoutes
}