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// Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
//
// 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 config
import (
"fmt"
"github.com/osrg/gobgp/packet/bgp"
)
func IsConfederationMember(g *Global, p *Neighbor) bool {
if p.Config.PeerAs != g.Config.As {
for _, member := range g.Confederation.Config.MemberAsList {
if member == p.Config.PeerAs {
return true
}
}
}
return false
}
func IsEBGPPeer(g *Global, p *Neighbor) bool {
return p.Config.PeerAs != g.Config.As
}
type AfiSafis []AfiSafi
func (c AfiSafis) ToRfList() ([]bgp.RouteFamily, error) {
rfs := make([]bgp.RouteFamily, 0, len(c))
for _, rf := range c {
k, err := bgp.GetRouteFamily(string(rf.Config.AfiSafiName))
if err != nil {
return nil, fmt.Errorf("invalid address family: %s", rf.Config.AfiSafiName)
}
rfs = append(rfs, k)
}
return rfs, nil
}
func CreateRfMap(p *Neighbor) map[bgp.RouteFamily]bool {
rfs, _ := AfiSafis(p.AfiSafis).ToRfList()
rfMap := make(map[bgp.RouteFamily]bool)
for _, rf := range rfs {
rfMap[rf] = true
}
return rfMap
}
func GetAfiSafi(p *Neighbor, family bgp.RouteFamily) *AfiSafi {
for _, a := range p.AfiSafis {
if string(a.Config.AfiSafiName) == family.String() {
return &a
}
}
return nil
}
func CheckAfiSafisChange(x, y []AfiSafi) bool {
if len(x) != len(y) {
return true
}
m := make(map[string]bool)
for _, e := range x {
m[string(e.Config.AfiSafiName)] = true
}
for _, e := range y {
if !m[string(e.Config.AfiSafiName)] {
return true
}
}
return false
}
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