chunk-server.go

package main

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

func main() {
	http.HandleFunc("/test", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Add("Access-Control-Allow-Origin", "*")
		flusher, ok := w.(http.Flusher)
		if !ok {
			http.Error(w, "Something went wrong.", http.StatusInternalServerError)
			return
		}

		for i := 1; ; i++ {
			fmt.Fprintf(w, "Chunk #%d\n", i)
			flusher.Flush()
			time.Sleep(500 * time.Millisecond)
		}
	})
	log.Fatalln(http.ListenAndServe("localhost:8080", nil))
}

To run: $ go run main.go