screenshot.go

// Perform snapshot of domain console
func DomainVNCSnapshot(w http.ResponseWriter, r *http.Request) {
	ruuid := chi.URLParam(r, "uuid")
	errstr := "Failure retrieving VM details"
	domobj, err := GetDomObj(ruuid)
	if err != nil {
		http.Error(w, errstr, http.StatusInternalServerError)
		return
	}
	defer domobj.Free()

	// A screenshot is streamed so set up a non-blocking stream to receive it
	st, err := conn.NewStream(1)
	if err != nil {
		http.Error(w, "Error setting up image stream", http.StatusInternalServerError)
		return
	}
	defer st.Free()

	mime, err := domobj.Screenshot(st, 0, 0)
	if err != nil {
		http.Error(w, "Error taking screenshot", http.StatusInternalServerError)
		return
	}

	// Do something with the stream
	// Determine mime type to return
	// return the data
}