Exemple #1
0
func (app *App) errorPage(ctx *Context, elapsed time.Duration, skip int, stackSkip int, req string, err interface{}) {
	t := newInternalTemplate(app)
	if terr := t.parse("panic.html", devserver.TemplateVars(&Context{})); terr != nil {
		panic(terr)
	}
	if devserver.IsActive() {
		t.tmpl.AddPlugin(devserver.ReloadPlugin())
	}
	if terr := t.prepare(); terr != nil {
		panic(terr)
	}
	stack := runtimeutil.FormatStackHTML(stackSkip + 1)
	location, code := runtimeutil.FormatCallerHTML(skip+1, 5, true, true)
	ctx.statusCode = -http.StatusInternalServerError
	data := map[string]interface{}{
		"Error":       fmt.Sprintf("%v", err),
		"Subtitle":    fmt.Sprintf("(after %s)", elapsed),
		"Location":    location,
		"Code":        code,
		"Stack":       stack,
		"Request":     req,
		"Name":        filepath.Base(os.Args[0]),
		"IsDevServer": devserver.IsDevServer(app),
	}
	if err := t.Execute(ctx, data); err != nil {
		var msg string
		if file, line, ok := runtimeutil.PanicLocation(); ok {
			msg = fmt.Sprintf("error rendering error page: %v @ %s:%d)", err, file, line)
		} else {
			msg = fmt.Sprintf("error rendering error page: %v", err)
		}
		ctx.WriteString(msg)
	}
}
Exemple #2
0
func init() {
	if profile.On {
		if devserver.IsActive() {
			t := newInternalTemplate(&App{})
			t.tmpl.Funcs([]*template.Func{
				{Name: "_gondola_profile_info", Fn: getProfileInfo},
				{Name: "_gondola_internal_asset", Fn: func(arg string) string {
					return internalAssetsManager.URL(arg)
				}},
			})
			if err := t.parse("profile.html", nil); err != nil {
				panic(err)
			}
			profilePlugin = &template.Plugin{Template: t.tmpl, Position: assets.Bottom}
		}
	}
}
Exemple #3
0
// WebsocketURL returns an absolute websocket URL from a relative
// URL (relative to the current request), adjusting also the protocol
// (e.g. http to ws and https to wss). Note that this function calls
// Context.URL(), so check its documentation to make sure the current
// request URL can be correctly determined.
func (c *Context) WebsocketURL(rel string) (*url.URL, error) {
	u, err := c.URL().Parse(rel)
	if err != nil {
		return nil, err
	}
	switch u.Scheme {
	case "http":
		u.Scheme = "ws"
	case "https":
		u.Scheme = "wss"
	}
	if sep := strings.IndexByte(u.Host, ':'); sep >= 0 && devserver.IsActive() {
		// If we're running from the development server, we need to send
		// the request directly to the app, since the httputil proxy doesn't
		// support websockets.
		u.Host = u.Host[:sep] + ":" + strconv.Itoa(c.app.Config().Port)
	}
	return u, nil
}
Exemple #4
0
// ListenAndServe starts listening on the configured address and
// port (see Address() and Port).
func (app *App) ListenAndServe() error {
	if err := app.Prepare(); err != nil {
		return err
	}
	if err := app.checkPort(); err != nil {
		return err
	}
	Signals.WillListen.emit(app)
	app.started = time.Now().UTC()
	if devserver.IsActive() {
		// Attach the automatic reload template plugin to automatically
		// reload the page when the server restarts
		vars := devserver.TemplateVars(&Context{})
		plugin := devserver.ReloadPlugin()
		app.AddTemplateVars(vars)
		app.AddTemplatePlugin(plugin)
		for _, c := range app.included {
			c.app.AddTemplateVars(vars)
			c.app.AddTemplatePlugin(plugin)
		}
	} else {
		if app.Logger != nil {
			if app.address != "" {
				app.Logger.Infof("Listening on %s, port %d", app.address, app.cfg.Port)
			} else {
				app.Logger.Infof("Listening on port %d", app.cfg.Port)
			}
		}
	}
	var err error
	time.AfterFunc(500*time.Millisecond, func() {
		if err == nil {
			Signals.DidListen.emit(app)
		}
	})
	err = http.ListenAndServe(app.address+":"+strconv.Itoa(app.cfg.Port), app)
	return err
}