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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 (
log "github.com/Sirupsen/logrus"
"github.com/osrg/gobgp/packet"
"os"
"time"
)
type dumper struct {
ch chan *broadcastBGPMsg
}
func (d *dumper) sendCh() chan *broadcastBGPMsg {
return d.ch
}
func newDumper(filename string) (*dumper, error) {
f, err := os.Create(filename)
if err != nil {
return nil, err
}
ch := make(chan *broadcastBGPMsg, 16)
go func() {
for {
m := <-ch
subtype := bgp.MESSAGE_AS4
mp := bgp.NewBGP4MPMessage(m.peerAS, m.localAS, 0, m.peerAddress.String(), m.localAddress.String(), m.fourBytesAs, m.message)
if m.fourBytesAs == false {
subtype = bgp.MESSAGE
}
bm, err := bgp.NewMRTMessage(uint32(time.Now().Unix()), bgp.BGP4MP, subtype, mp)
if err != nil {
log.WithFields(log.Fields{
"Topic": "mrt",
"Data": m,
}).Warn(err)
continue
}
buf, err := bm.Serialize()
if err != nil {
log.WithFields(log.Fields{
"Topic": "mrt",
"Data": m,
}).Warn(err)
} else {
f.Write(buf)
}
}
}()
return &dumper{
ch: ch,
}, nil
}
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