code server

code.go

package main

import (
	"flag"
	"log"
	"strconv"
	"net/http"
)

var code = flag.Int("c", 200, "code")
var port = flag.Int("p", 8080, "port")

func main() {
	flag.Parse()
	log.Println("server run at port", *port, "with code", *code)
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		log.Println(*code, r.URL)
		w.WriteHeader(*code)
	})
	log.Fatal(http.ListenAndServe(":"+strconv.Itoa(*port), nil))
}