Example #1
0
func (g *goemon) livereload() error {
	g.lrs = livereload.New("goemon")
	defer g.lrs.Close()
	addr := g.conf.LiveReload
	if addr == "" {
		addr = os.Getenv("GOEMON_LIVERELOAD_ADDR")
	}
	if addr == "" {
		addr = ":35730"
	}
	var err error
	g.lrc, err = net.Listen("tcp", addr)
	if err != nil {
		return err
	}
	defer g.lrc.Close()
	mux := http.NewServeMux()
	mux.HandleFunc("/livereload.js", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/javascript")
		_, err := w.Write([]byte(liveReloadScript))
		if err != nil {
			g.lrc.Close()
		}
	})
	mux.Handle("/livereload", g.lrs)
	return http.Serve(g.lrc, mux)
}
Example #2
0
File: main.go Project: mattn/mkup
func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())
	flag.Parse()
	cwd, _ := os.Getwd()

	lrs := livereload.New("mkup")
	defer lrs.Close()

	go func() {
		mux := http.NewServeMux()
		mux.HandleFunc("/livereload.js", func(w http.ResponseWriter, r *http.Request) {
			b, err := Asset("_assets/livereload.js")
			if err != nil {
				http.Error(w, "404 page not found", 404)
				return
			}
			w.Header().Set("Content-Type", "application/javascript")
			w.Write(b)
			return
		})
		mux.Handle("/", lrs)
		log.Fatal(http.ListenAndServe(":35729", mux))
	}()

	fsw, err := fsnotify.NewWatcher()
	if err != nil {
		panic(err)
	}

	go func() {
		fsw.Add(cwd)
		err = filepath.Walk(cwd, func(path string, info os.FileInfo, err error) error {
			if info == nil {
				return err
			}
			if !info.IsDir() {
				return nil
			}
			fsw.Add(path)
			return nil
		})

		for {
			select {
			case event := <-fsw.Events:
				if path, err := filepath.Rel(cwd, event.Name); err == nil {
					path = "/" + filepath.ToSlash(path)
					log.Println("reload", path)
					lrs.Reload(path, true)
				}
			case err := <-fsw.Errors:
				if err != nil {
					log.Println(err)
				}
			}
		}
	}()

	fs := http.FileServer(http.Dir(cwd))
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		name := r.URL.Path
		if strings.HasPrefix(name, "/_assets/") {
			b, err := Asset(name[1:])
			if err != nil {
				http.Error(w, "404 page not found", 404)
				return
			}

			w.Header().Set("Content-Type", mime.TypeByExtension(filepath.Ext(name)))
			w.Write(b)
			return
		}
		ext := filepath.Ext(name)
		if ext != ".md" && ext != ".mkd" && ext != ".markdown" {
			fs.ServeHTTP(w, r)
			return
		}
		b, err := ioutil.ReadFile(filepath.Join(cwd, name))
		if err != nil {
			if os.IsNotExist(err) {
				http.Error(w, "404 page not found", 404)
				return
			}
			http.Error(w, err.Error(), 500)
			return
		}
		w.Header().Set("Content-Type", "text/html; charset=utf-8")
		renderer := blackfriday.HtmlRenderer(0, "", "")
		b = blackfriday.Markdown(b, renderer, extensions)
		w.Write([]byte(fmt.Sprintf(template, name, string(b))))
	})

	server := &http.Server{
		Addr: *addr,
		Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			log.Printf("%s %s %s", r.RemoteAddr, r.Method, r.URL.RequestURI())
			http.DefaultServeMux.ServeHTTP(w, r)
		}),
	}

	fmt.Fprintln(os.Stderr, "Lisning at "+*addr)
	log.Fatal(server.ListenAndServe())
}