package main

import (
	"encoding/base64"
	"fmt"
	"net"
	"strings"
)

func main() {
	serv, err := net.ListenPacket("udp4", ":8888")
	serverIP := "1.1.2.2"
	msg := "clientapi: " + serverIP
	b64Msg := base64.StdEncoding.EncodeToString([]byte(msg))

	if err != nil {
		panic(err)
	}

	defer serv.Close()

	buff := make([]byte, 2048)

	for {

		_, addr, err := serv.ReadFrom(buff)
		if err != nil {
			panic(err)
		}

		remoteAddr := strings.Split(addr.String(), ":")

		remote, err := net.ResolveUDPAddr("udp4", remoteAddr[0] + ":8850")

		if err != nil {
			panic(err)
		}

		conn, _ := net.DialUDP("udp4", nil, remote)
		defer conn.Close()

		conn.Write([]byte(b64Msg))
		conn.Close()

		fmt.Printf("Sending %s to %s\n", b64Msg, addr)
	}
}