package main

import (
	"fmt"
	"net"
	"os"
	//"time"
)

var LISTENING_PORT = 1337

func main() {

	ln, err := net.Listen("tcp", ":1337")
	catchErr(err)
	fmt.Println("Listening on port 1337...")

	for {
		conn, err := ln.Accept()
		catchErr(err)
		go handleConn(conn)
	}
}

func getIP(conn net.Conn) {
	if addr, ok := conn.RemoteAddr().(*net.TCPAddr); ok {
		fmt.Printf("Received connection from: %v\n", addr)
	}
}

func handleConn(conn net.Conn) {
	defer conn.Close()

	getIP(conn)
	//fmt.Printf("\rWelcome to my server!")
	//time.Sleep(time.Second)
	//fmt.Printf("\r")
	//fmt.Printf("\rWhat, were you expecting something?")
	conn.Write([]byte("\rWelcome to my server!"))
}

func catchErr(err error) (errHappened bool) {
	errHappened = false
	if err != nil {
		errHappened = true
		fmt.Println(err)
		os.Exit(2)
	}
	return errHappened
}