Commit
+22 -15 +/-1 browse
| 1 | diff --git a/main.go b/main.go |
| 2 | index 2bce2d7..0eab06f 100644 |
| 3 | --- a/main.go |
| 4 | +++ b/main.go |
| 5 | @@ -126,19 +126,8 @@ func metricName(metric map[string]string) string { |
| 6 | return out + "{" + strings.Join(inner, ",") + "}" |
| 7 | } |
| 8 | |
| 9 | - func main() { |
| 10 | - plotutil.DefaultDashes = [][]vg.Length{{}} |
| 11 | - |
| 12 | - if len(os.Args) < 2 { |
| 13 | - fmt.Printf("Usage: %s server\n", os.Args[0]) |
| 14 | - os.Exit(1) |
| 15 | - } |
| 16 | - upstream = os.Args[1] |
| 17 | - router := chi.NewRouter() |
| 18 | - router.Use(middleware.RealIP) |
| 19 | - router.Use(middleware.Logger) |
| 20 | - |
| 21 | - router.Get("/chart.svg", func(w http.ResponseWriter, r *http.Request) { |
| 22 | + func registerExtension(router chi.Router, extension string, mime string) { |
| 23 | + router.Get("/chart."+extension, func(w http.ResponseWriter, r *http.Request) { |
| 24 | args := r.URL.Query() |
| 25 | var query string |
| 26 | if q, ok := args["query"]; !ok { |
| 27 | @@ -261,17 +250,35 @@ func main() { |
| 28 | p.Add(plotters[i]) |
| 29 | } |
| 30 | |
| 31 | - writer, err := p.WriterTo(width, height, "svg") |
| 32 | + writer, err := p.WriterTo(width, height, extension) |
| 33 | if err != nil { |
| 34 | w.WriteHeader(400) |
| 35 | w.Write([]byte(fmt.Sprintf("%v", err))) |
| 36 | return |
| 37 | } |
| 38 | |
| 39 | - w.Header().Add("Content-Type", "image/svg+xml") |
| 40 | + w.Header().Add("Content-Type", mime) |
| 41 | writer.WriteTo(w) |
| 42 | }) |
| 43 | |
| 44 | + } |
| 45 | + |
| 46 | + func main() { |
| 47 | + plotutil.DefaultDashes = [][]vg.Length{{}} |
| 48 | + |
| 49 | + if len(os.Args) < 2 { |
| 50 | + fmt.Printf("Usage: %s server\n", os.Args[0]) |
| 51 | + os.Exit(1) |
| 52 | + } |
| 53 | + upstream = os.Args[1] |
| 54 | + router := chi.NewRouter() |
| 55 | + |
| 56 | + router.Use(middleware.RealIP) |
| 57 | + router.Use(middleware.Logger) |
| 58 | + |
| 59 | + registerExtension(router, "svg", "image/svg+xml") |
| 60 | + registerExtension(router, "png", "image/png") |
| 61 | + |
| 62 | addr := ":8142" |
| 63 | if len(os.Args) > 2 { |
| 64 | addr = os.Args[2] |