/* Copyright (C) 2014 by Alexandru Cojocaru */

/* This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. */

package main

import (
	"io"
	"log"
	"net"
)

func echo(con net.Conn) {
	_, err := io.Copy(con, con)
	if err != nil {
		log.Print(err)
	}
	err = con.Close()
	if err != nil {
		log.Print(err)
	}
}

func main() {
	log.SetFlags(log.Lshortfile)
	ln, err := net.Listen("tcp", ":7")
	if err != nil {
		log.Fatal(err)
	}
	for {
		con, err := ln.Accept()
		if err != nil {
			log.Fatal(err)
		}
		go echo(con)
	}
	err = ln.Close()
	if err != nil {
		log.Fatal(err)
	}
}