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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 main
import (
"bufio"
"encoding/json"
"fmt"
log "github.com/Sirupsen/logrus"
"github.com/osrg/gobgp/packet/bgp"
"net"
"os"
"strconv"
)
func connLoop(conn *net.TCPConn) {
addr := conn.RemoteAddr()
scanner := bufio.NewScanner(bufio.NewReader(conn))
scanner.Split(bgp.SplitBMP)
for scanner.Scan() {
msg, err := bgp.ParseBMPMessage(scanner.Bytes())
if err != nil {
log.Info(err)
continue
}
j, _ := json.Marshal(msg)
fmt.Print(string(j), "\n")
}
log.Info("conn was closed ", addr)
}
func main() {
service := ":" + strconv.Itoa(bgp.BMP_DEFAULT_PORT)
addr, _ := net.ResolveTCPAddr("tcp", service)
l, err := net.ListenTCP("tcp", addr)
if err != nil {
log.Info(err)
os.Exit(1)
}
for {
conn, err := l.AcceptTCP()
if err != nil {
log.Info(err)
continue
}
log.Info("Accepted a new connection from ", conn.RemoteAddr())
go connLoop(conn)
}
}
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