package main

import (
	"log"
	"fmt"
	"time"
	"net"
	"net/http"
)

type server3 struct {
	http.Server
}

func (s *server3) Serve(l net.Listener) error {
	fmt.Println("Serving")
	time.Sleep(time.Second)
	return s.Server.Serve(l)
}

// naming is a bitch
func (s *server3) Shutdown() {
	fmt.Println("Closing")
	s.Close()
}

func main() {

	srv := &server3{}
	srvEnd :=  make(chan error)


	for {
		l, err := net.Listen("tcp","")
		if err != nil {
			log.Fatal(err)
		}
		
		go func() {
			err := srv.Serve(l)
			srvEnd <- err 
		}()

		time.Sleep(time.Second)
		
		srv.Shutdown()

		fmt.Println("Close done")
		
		err = <- srvEnd
		
		fmt.Println(err)
	}
}