Simple speed test

main.go

package main

import (
	"net/http"
	"math/rand"
	"time"
	"log"
	"io"
	"bytes"
)

func main() {
	http.HandleFunc("/", handleRequest)
	http.HandleFunc("/favicon.ico", handleFavReq)
	log.SetFlags(log.Flags() | log.Lshortfile)
	log.Printf("http://localhost:8083/")
	err := http.ListenAndServe(":8083", nil)
	log.Printf("Error: %v", err)
}
func handleFavReq(writer http.ResponseWriter, request *http.Request) {

}
func handleRequest(writer http.ResponseWriter, request *http.Request) {
	writer.Header().Add("Content-type", "application/octet-stream")
	writer.WriteHeader(200)
	log.Printf("Got request")
	b := make([]byte, 1014 * 1024 * 1024 * 1)
	rand.Seed(int64(time.Now().Nanosecond()))
	n, err := rand.Read(b)
	if err != nil {
		log.Printf("Error: %v", err)
	}
	log.Printf("Generated random: %d bytes. Serving", n)
	t := time.Now()
	n64, err := io.Copy(writer, bytes.NewReader(b))
	if err != nil {
		log.Printf("Error: %v", err)
	}
	t2 := time.Now()
	d := t2.Sub(t)
	log.Printf("Served %d, %d %s", n64, d, d.String())
}