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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 server
import (
"github.com/osrg/gobgp/packet"
"github.com/osrg/gobgp/table"
"github.com/osrg/gobgp/zebra"
"net"
"strconv"
"strings"
)
type broadcastZapiMsg struct {
client *zebra.Client
msg *zebra.Message
}
func (m *broadcastZapiMsg) send() {
m.client.Send(m.msg)
}
func newIPRouteMessage(path *table.Path) *zebra.Message {
l := strings.SplitN(path.GetNlri().String(), "/", 2)
var command zebra.API_TYPE
var prefix net.IP
nexthops := []net.IP{}
switch path.GetRouteFamily() {
case bgp.RF_IPv4_UC:
if path.IsWithdraw == true {
command = zebra.IPV4_ROUTE_DELETE
} else {
command = zebra.IPV4_ROUTE_ADD
}
prefix = net.ParseIP(l[0]).To4()
nexthops = append(nexthops, path.GetNexthop().To4())
case bgp.RF_IPv6_UC:
if path.IsWithdraw == true {
command = zebra.IPV6_ROUTE_DELETE
} else {
command = zebra.IPV6_ROUTE_ADD
}
prefix = net.ParseIP(l[0]).To16()
nexthops = append(nexthops, path.GetNexthop().To16())
default:
return nil
}
flags := uint8(zebra.MESSAGE_NEXTHOP)
plen, _ := strconv.Atoi(l[1])
med, err := path.GetMed()
if err == nil {
flags |= zebra.MESSAGE_METRIC
}
return &zebra.Message{
Header: zebra.Header{
Len: zebra.HEADER_SIZE,
Marker: zebra.HEADER_MARKER,
Version: zebra.VERSION,
Command: command,
},
Body: &zebra.IPRouteBody{
Type: zebra.ROUTE_BGP,
SAFI: zebra.SAFI_UNICAST,
Message: flags,
Prefix: prefix,
PrefixLength: uint8(plen),
Nexthops: nexthops,
Metric: med,
},
}
}
func newBroadcastZapiBestMsg(cli *zebra.Client, path *table.Path) *broadcastZapiMsg {
if cli == nil {
return nil
}
m := newIPRouteMessage(path)
if m == nil {
return nil
}
return &broadcastZapiMsg{
client: cli,
msg: m,
}
}
func handleZapiMsg(msg *zebra.Message) {
}
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