keep-alive-server.go

package main

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

type myHandler struct {
}

func (myHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
	w.Write([]byte("hello from myHandler"))
}

func main() {
	srv := http.Server{
		Addr:    ":8080",
		Handler: myHandler{},
		ConnState: func(conn net.Conn, state http.ConnState) {
			fmt.Println(conn.LocalAddr(), conn.RemoteAddr(), state.String())
		},
	}

	srv.ListenAndServe()
}