jrouter/router/zones.go
2024-05-05 18:04:54 +10:00

88 lines
1.8 KiB
Go

/*
Copyright 2024 Josh Deprez
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package router
import (
"slices"
"github.com/sfiera/multitalk/pkg/ddp"
)
func (rt *RouteTable) AddZonesToNetwork(n ddp.Network, zs ...string) {
rt.mu.Lock()
defer rt.mu.Unlock()
for r := range rt.routes {
if n < r.NetStart || n > r.NetEnd {
continue
}
if r.ZoneNames == nil {
r.ZoneNames = make(StringSet)
}
r.ZoneNames.Insert(zs...)
}
}
func (rt *RouteTable) ZonesForNetworks(ns []ddp.Network) map[ddp.Network][]string {
zs := make(map[ddp.Network][]string)
rt.mu.Lock()
defer rt.mu.Unlock()
for r := range rt.routes {
if !r.Valid() {
continue
}
if _, ok := slices.BinarySearch(ns, r.NetStart); ok {
for z := range r.ZoneNames {
zs[r.NetStart] = append(zs[r.NetStart], z)
}
}
}
return zs
}
func (rt *RouteTable) RoutesForZone(zone string) []*Route {
rt.mu.Lock()
defer rt.mu.Unlock()
var routes []*Route
for r := range rt.routes {
if !r.Valid() {
continue
}
if r.ZoneNames.Contains(zone) {
routes = append(routes, r)
}
}
return routes
}
func (rt *RouteTable) AllZoneNames() (zones []string) {
defer slices.Sort(zones)
rt.mu.Lock()
defer rt.mu.Unlock()
zs := make(StringSet)
for r := range rt.routes {
if !r.Valid() {
continue
}
zs.Add(r.ZoneNames)
}
return zs.ToSlice()
}