package main

import (
	"fmt"
	"log"
	"net"

	"github.com/crip/ripv2"
)

func main() {
	rip := ripv2.New()
	addr := net.UDPAddr{
		Port: 5111,
		IP:   net.ParseIP("0.0.0.0"),
	}
	conn, err := net.ListenUDP("udp", &addr)
	if err != nil {
		log.Fatalln(err)
	}
	defer conn.Close()
	buff := make([]byte, 1024)

	bytes, err := rip.Request(conn)
	if err != nil {
		log.Fatalln(err)
	}

	fmt.Println(bytes)

	RipAddr := net.UDPAddr{
		Port: 520,
		IP:   net.ParseIP("224.0.0.9"),
	}
	bw, err := conn.WriteToUDP(bytes, &RipAddr)
	if err != nil {
		log.Fatalln(err)
	}

	log.Printf("wrote %d bytes\n", bw)

	log.Println("waiting")
	n, err := conn.Read(buff)
	if err != nil {
		log.Fatalln(err)
	}
	fmt.Println("here")
	if n == 0 {
		log.Fatalln("empty")
	}

	if err := rip.Parse(&buff); err != nil {
		log.Fatalln(err)
	}
	fmt.Println(rip)
}