testing_webserver.go

package main

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

func main() {
	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
		// tarpit
		t := req.URL.Query().Get("t")
		if t != "" {
			d, _ := time.ParseDuration(t)
			time.Sleep(d)
		}

		// status code
		s := req.URL.Query().Get("s")
		if s != "" {
			c, _ := strconv.Atoi(s)
			w.WriteHeader(c)
		}

		fmt.Fprintf(w, "Web Request: %s\n", req.URL.String())
	})
	log.Fatal(http.ListenAndServe(":8080", nil))
}