Golang webserver.New函數代碼示例

func main() {
	flag.Parse()

	if *flagVersion {
		fmt.Fprintf(os.Stderr, "hello version: %s\nGo version: %s (%s/%s)\n",
			buildinfo.Version(), runtime.Version(), runtime.GOOS, runtime.GOARCH)
		return
	}

	log.Printf("Starting hello version %s; Go %s (%s/%s)", buildinfo.Version(), runtime.Version(),
		runtime.GOOS, runtime.GOARCH)

	listenAddr, err := app.ListenAddress()
	if err != nil {
		log.Fatalf("Listen address: %v", err)
	}
	conf := appConfig()
	ws := webserver.New()
	ws.Handle("/", &helloHandler{who: conf.Word})
	// TODO(mpl): handle status requests too. Camlistore will send an auth
	// token in the extra config that should be used as the "password" for
	// subsequent status requests.
	if err := ws.Listen(listenAddr); err != nil {
		log.Fatalf("Listen: %v", err)
	}

	ws.Serve()
}

func main() {
	flag.Parse()

	if *flagVersion {
		fmt.Fprintf(os.Stderr, "camlistored version: %s\n", buildinfo.Version())
		return
	}

	shutdownc := make(chan io.Closer, 1) // receives io.Closer to cleanly shut down
	go handleSignals(shutdownc)

	fileName, isNewConfig, err := findConfigFile(*flagConfigFile)
	if err != nil {
		exitf("Error finding config file %q: %v", fileName, err)
	}
	log.Printf("Using config file %s", fileName)
	config, err := serverconfig.Load(fileName)
	if err != nil {
		exitf("Could not load server config: %v", err)
	}

	ws := webserver.New()
	listen, baseURL := listenAndBaseURL(config)

	setupTLS(ws, config, listen)
	shutdownCloser, err := config.InstallHandlers(ws, baseURL, nil)
	if err != nil {
		exitf("Error parsing config: %v", err)
	}
	shutdownc <- shutdownCloser

	err = ws.Listen(listen)
	if err != nil {
		exitf("Listen: %v", err)
	}

	urlToOpen := ws.ListenURL()
	if baseURL != "" {
		urlToOpen = baseURL
	}
	if !isNewConfig {
		// user may like to configure the server at the initial startup,
		// open UI if this is not the first run with a new config file.
		urlToOpen += config.UIPath
	}

	log.Printf("Available on %s", urlToOpen)
	if *flagOpenBrowser {
		go osutil.OpenURL(urlToOpen)
	}

	go ws.Serve()
	if flagPollParent {
		osutil.DieOnParentDeath()
	}
	select {}
}

func main() {
	flag.Parse()

	if *flagVersion {
		fmt.Fprintf(os.Stderr, "camlistored version: %s\n", buildinfo.Version())
		return
	}

	fileName, err := findConfigFile(*flagConfigFile)
	if err != nil {
		exitf("Error finding config file %q: %v", fileName, err)
	}
	log.Printf("Using config file %s", fileName)
	config, err := serverconfig.Load(fileName)
	if err != nil {
		exitf("Could not load server config: %v", err)
	}

	ws := webserver.New()
	listen, baseURL := listenAndBaseURL(config)

	setupTLS(ws, config, listen)
	err = config.InstallHandlers(ws, baseURL, nil)
	if err != nil {
		exitf("Error parsing config: %v", err)
	}

	err = ws.Listen(listen)
	if err != nil {
		exitf("Listen: %v", err)
	}

	urlOpened := false
	if config.UIPath != "" {
		uiURL := ws.ListenURL() + config.UIPath
		if baseURL != "" {
			uiURL = baseURL + config.UIPath
		}
		log.Printf("UI available at %s", uiURL)
		if runtime.GOOS == "windows" {
			// Might be double-clicking an icon with no shell window?
			// Just open the URL for them.
			urlOpened = true
			go osutil.OpenURL(uiURL)
		}
	}
	if *flagConfigFile == "" && !urlOpened {
		go osutil.OpenURL(ws.ListenURL())
	}

	go ws.Serve()
	go handleSignals()
	if flagPollParent {
		osutil.DieOnParentDeath()
	}
	select {}
}

func main() {
	flag.Parse()

	fileName, err := findConfigFile(*flagConfigFile)
	if err != nil {
		exitf("Error finding config file %q: %v", fileName, err)
	}
	log.Printf("Using config file %s", fileName)
	config, err := serverconfig.Load(fileName)
	if err != nil {
		exitf("Could not load server config: %v", err)
	}

	ws := webserver.New()
	baseURL := config.RequiredString("baseURL")
	listen := *webserver.Listen
	if listen == "" {
		// if command line was empty, use value in config
		listen = strings.TrimLeft(baseURL, "http://")
		listen = strings.TrimLeft(listen, "https://")
	} else {
		// else command line takes precedence
		scheme := strings.Split(baseURL, "://")[0]
		baseURL = scheme + "://" + listen
	}

	setupTLS(ws, config, listen)

	err = config.InstallHandlers(ws, baseURL, nil)
	if err != nil {
		exitf("Error parsing config: %v", err)
	}

	ws.Listen(listen)

	urlOpened := false
	if config.UIPath != "" {
		uiURL := ws.BaseURL() + config.UIPath
		log.Printf("UI available at %s", uiURL)
		if runtime.GOOS == "windows" {
			// Might be double-clicking an icon with no shell window?
			// Just open the URL for them.
			urlOpened = true
			go osutil.OpenURL(uiURL)
		}
	}
	if *flagConfigFile == "" && !urlOpened {
		go func() {
			err := osutil.OpenURL(baseURL)
			if err != nil {
				log.Printf("Failed to open %s in browser: %v", baseURL, err)
			}
		}()
	}
	go ws.Serve()
	handleSignals()
}

func main() {
	flag.Parse()

	_, err := auth.FromEnv()
	if err != nil {
		log.Fatal(err)
	}

	ws := webserver.New()
	ws.HandleFunc("/", handleRoot)
	ws.HandleFunc("/camli/sig/", handleCamliSig)
	ws.Serve()
}

func main() {
	flag.Parse()

	fileName, err := findConfigFile(*flagConfigFile)
	if err != nil {
		exitf("Error finding config file %q: %v", fileName, err)
	}
	log.Printf("Using config file %s", fileName)
	config, err := serverconfig.Load(fileName)
	if err != nil {
		exitf("Could not load server config: %v", err)
	}

	ws := webserver.New()
	listen, baseURL := listenAndBaseURL(config)

	setupTLS(ws, config, listen)
	err = config.InstallHandlers(ws, baseURL, nil)
	if err != nil {
		exitf("Error parsing config: %v", err)
	}

	err = ws.Listen(listen)
	if err != nil {
		exitf("Listen: %v", err)
	}

	urlOpened := false
	if config.UIPath != "" {
		uiURL := ws.ListenURL() + config.UIPath
		log.Printf("UI available at %s", uiURL)
		if runtime.GOOS == "windows" {
			// Might be double-clicking an icon with no shell window?
			// Just open the URL for them.
			urlOpened = true
			go osutil.OpenURL(uiURL)
		}
	}
	if *flagConfigFile == "" && !urlOpened {
		go func() {
			err := osutil.OpenURL(ws.ListenURL())
			if err != nil {
				log.Printf("Failed to open %s in browser: %v", baseURL, err)
			}
		}()
	}

	go ws.Serve()
	go handleSignals()
	select {}
}

func main() {
	flag.Parse()

	if *flagVersion {
		fmt.Fprintf(os.Stderr, "publisher version: %s\nGo version: %s (%s/%s)\n",
			buildinfo.Version(), runtime.Version(), runtime.GOOS, runtime.GOARCH)
		return
	}

	logf("Starting publisher version %s; Go %s (%s/%s)", buildinfo.Version(), runtime.Version(),
		runtime.GOOS, runtime.GOARCH)

	listenAddr, err := app.ListenAddress()
	if err != nil {
		logger.Fatalf("Listen address: %v", err)
	}
	conf, err := appConfig()
	if err != nil {
		logger.Fatalf("no app config: %v", err)
	}
	ph := newPublishHandler(conf)
	masterQueryURL := os.Getenv("CAMLI_APP_MASTERQUERY_URL")
	if masterQueryURL == "" {
		logger.Fatalf("Publisher application needs a CAMLI_APP_MASTERQUERY_URL env var")
	}
	ph.masterQueryURL = masterQueryURL
	if err := ph.initRootNode(); err != nil {
		logf("%v", err)
	} else {
		if err := ph.setMasterQuery(ph.rootNode); err != nil {
			logf("%v", err)
		}
	}
	ws := webserver.New()
	ws.Logger = logger
	if err := setupTLS(ws, conf); err != nil {
		logger.Fatal("could not setup TLS: %v", err)
	}
	ws.Handle("/", ph)
	if err := ws.Listen(listenAddr); err != nil {
		logger.Fatalf("Listen: %v", err)
	}
	ws.Serve()
}

// Main sends on up when it's running, and shuts down when it receives from down.
func Main(up chan<- struct{}, down <-chan struct{}) {
	flag.Parse()

	if *flagVersion {
		fmt.Fprintf(os.Stderr, "camlistored version: %s\nGo version: %s (%s/%s)\n",
			buildinfo.Version(), runtime.Version(), runtime.GOOS, runtime.GOARCH)
		return
	}
	if legalprint.MaybePrint(os.Stderr) {
		return
	}
	if env.OnGCE() {
		log.SetOutput(gce.LogWriter())
	}

	if *flagReindex {
		index.SetImpendingReindex()
	}

	log.Printf("Starting camlistored version %s; Go %s (%s/%s)", buildinfo.Version(), runtime.Version(),
		runtime.GOOS, runtime.GOARCH)

	shutdownc := make(chan io.Closer, 1) // receives io.Closer to cleanly shut down
	go handleSignals(shutdownc)

	// In case we're running in a Docker container with no
	// filesytem from which to load the root CAs, this
	// conditionally installs a static set if necessary. We do
	// this before we load the config file, which might come from
	// an https URL.
	httputil.InstallCerts()

	config, isNewConfig, err := loadConfig(*flagConfigFile)
	if err != nil {
		exitf("Error loading config file: %v", err)
	}

	ws := webserver.New()
	listen, baseURL := listenAndBaseURL(config)

	hostname, err := certHostname(listen, baseURL)
	if err != nil {
		exitf("Bad baseURL or listen address: %v", err)
	}
	setupTLS(ws, config, hostname)

	err = ws.Listen(listen)
	if err != nil {
		exitf("Listen: %v", err)
	}

	if baseURL == "" {
		baseURL = ws.ListenURL()
	}

	shutdownCloser, err := config.InstallHandlers(ws, baseURL, *flagReindex, nil)
	if err != nil {
		exitf("Error parsing config: %v", err)
	}
	shutdownc <- shutdownCloser

	urlToOpen := baseURL
	if !isNewConfig {
		// user may like to configure the server at the initial startup,
		// open UI if this is not the first run with a new config file.
		urlToOpen += config.UIPath
	}

	if *flagOpenBrowser {
		go osutil.OpenURL(urlToOpen)
	}

	go ws.Serve()
	if flagPollParent {
		osutil.DieOnParentDeath()
	}

	if err := config.StartApps(); err != nil {
		exitf("StartApps: %v", err)
	}

	for appName, appURL := range config.AppURL() {
		addr, err := netutil.HostPort(appURL)
		if err != nil {
			log.Printf("Could not get app %v address: %v", appName, err)
			continue
		}
		if err := netutil.AwaitReachable(addr, 5*time.Second); err != nil {
			log.Printf("Could not reach app %v: %v", appName, err)
		}
	}
	log.Printf("Available on %s", urlToOpen)

	if env.OnGCE() && strings.HasPrefix(baseURL, "https://") {
		go redirectFromHTTP(baseURL)
	}

	// Block forever, except during tests.
	up <- struct{}{}
//.........這裏部分代碼省略.........

// Main sends on up when it's running, and shuts down when it receives from down.
func Main(up chan<- struct{}, down <-chan struct{}) {
	flag.Parse()

	if *flagVersion {
		fmt.Fprintf(os.Stderr, "camlistored version: %s\nGo version: %s (%s/%s)\n",
			buildinfo.Version(), runtime.Version(), runtime.GOOS, runtime.GOARCH)
		return
	}
	if *flagReindex {
		index.SetImpendingReindex()
	}

	log.Printf("Starting camlistored version %s; Go %s (%s/%s)", buildinfo.Version(), runtime.Version(),
		runtime.GOOS, runtime.GOARCH)

	shutdownc := make(chan io.Closer, 1) // receives io.Closer to cleanly shut down
	go handleSignals(shutdownc)

	fileName, isNewConfig, err := findConfigFile(*flagConfigFile)
	if err != nil {
		exitf("Error finding config file %q: %v", fileName, err)
	}
	log.Printf("Using config file %s", fileName)
	config, err := serverinit.Load(fileName)
	if err != nil {
		exitf("Could not load server config: %v", err)
	}

	ws := webserver.New()
	listen, baseURL := listenAndBaseURL(config)

	setupTLS(ws, config, listen)

	err = ws.Listen(listen)
	if err != nil {
		exitf("Listen: %v", err)
	}

	if baseURL == "" {
		baseURL = ws.ListenURL()
	}

	shutdownCloser, err := config.InstallHandlers(ws, baseURL, *flagReindex, nil)
	if err != nil {
		exitf("Error parsing config: %v", err)
	}
	shutdownc <- shutdownCloser

	urlToOpen := baseURL
	if !isNewConfig {
		// user may like to configure the server at the initial startup,
		// open UI if this is not the first run with a new config file.
		urlToOpen += config.UIPath
	}

	log.Printf("Available on %s", urlToOpen)
	if *flagOpenBrowser {
		go osutil.OpenURL(urlToOpen)
	}

	go ws.Serve()
	if flagPollParent {
		osutil.DieOnParentDeath()
	}

	// Block forever, except during tests.
	up <- struct{}{}
	<-down
	osExit(0)
}