Exemple #1
0
func ExampleHijacker() {
	http.HandleFunc("/hijack", func(w http.ResponseWriter, r *http.Request) {
		hj, ok := w.(http.Hijacker)
		if !ok {
			http.Error(w, "webserver doesn't support hijacking", http.StatusInternalServerError)
			return
		}
		conn, bufrw, err := hj.Hijack()
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		// Don't forget to close the connection:
		defer conn.Close()
		bufrw.WriteString("Now we're speaking raw TCP. Say hi: ")
		bufrw.Flush()
		s, err := bufrw.ReadString('\n')
		if err != nil {
			log.Printf("error reading string: %v", err)
			return
		}
		fmt.Fprintf(bufrw, "You said: %q\nBye.\n", s)
		bufrw.Flush()
	})
}
Exemple #2
0
// exec a program, redirecting output
func DateServer(rw http.ResponseWriter, req *http.Request) {
	rw.Header().Set("Content-Type", "text/plain; charset=utf-8")

	date, err := exec.Command("/bin/date").Output()
	if err != nil {
		http.Error(rw, err.Error(), 500)
		return
	}
	rw.Write(date)
}
Exemple #3
0
func ExampleResponseRecorder() {
	handler := func(w http.ResponseWriter, r *http.Request) {
		http.Error(w, "something failed", http.StatusInternalServerError)
	}

	req, err := http.NewRequest("GET", "http://example.com/foo", nil)
	if err != nil {
		log.Fatal(err)
	}

	w := httptest.NewRecorder()
	handler(w, req)

	fmt.Printf("%d - %s", w.Code, w.Body.String())
	// Output: 500 - something failed
}
Exemple #4
0
func Logger(w http.ResponseWriter, req *http.Request) {
	log.Print(req.URL)
	http.Error(w, "oops", 404)
}