pfcp_remote-gtpu-peer.go

package main

import (
	"flag"
	"log"
	"net"

	"github.com/wmnsk/go-pfcp/ie"
	"github.com/wmnsk/go-pfcp/message"
)

func main() {
	var (
		server = flag.String("-s", "127.0.0.2:8805", "server's addr/port")
	)
	flag.Parse()

	raddr, err := net.ResolveUDPAddr("udp", *server)
	if err != nil {
		log.Fatal(err)
	}

	conn, err := net.DialUDP("udp", nil, raddr)
	if err != nil {
		log.Fatal(err)
	}

	data, err := message.NewGeneric(
		0xff, 0x00, 0x00,
		ie.NewRemoteGTPUPeer(0x0e, "127.0.0.1", "", ie.DstInterfaceAccess, "some.instance.example"),
	).Marshal()
	if err != nil {
		log.Fatal(err)
	}

	if _, err := conn.Write(data); err != nil {
		log.Fatal(err)
	}
}