cmd

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• Variables

Variables

var ServeCmd = &coral.Command{
	Use:     "serve <file.md>",
	Aliases: []string{"server"},
	Short:   "Start an SSH server to run slides",
	Args:    coral.ArbitraryArgs,
	RunE: func(cmd *coral.Command, args []string) error {
		k := os.Getenv("SLIDES_SERVER_KEY_PATH")
		if k != "" {
			keyPath = k
		}
		h := os.Getenv("SLIDES_SERVER_HOST")
		if h != "" {
			host = h
		}
		p := os.Getenv("SLIDES_SERVER_PORT")
		if p != "" {
			port, _ = strconv.Atoi(p)
		}

		if len(args) > 0 {
			fileName = args[0]
		}

		presentation := model.Model{
			Page:     0,
			Date:     time.Now().Format("2006-01-02"),
			FileName: fileName,
			Search:   navigation.NewSearch(),
		}
		err = presentation.Load()
		if err != nil {
			return err
		}

		s, err := server.NewServer(keyPath, host, port, presentation)
		if err != nil {
			return err
		}

		done := make(chan os.Signal, 1)
		signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
		log.Printf("Starting Slides server on %s:%d", host, port)
		go func() {
			if err = s.Start(); err != nil {
				log.Fatalln(err)
			}
		}()

		<-done
		log.Print("Stopping Slides server")
		ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
		defer func() { cancel() }()
		if err := s.Shutdown(ctx); err != nil {
			return err
		}
		return err
	},
}

ServeCmd is the command for serving the presentation. It starts the slides server allowing for connections.