Golang Config.CgiDir方法代碼示例

func parseCommandLine() Config {
	var mainConfig Config
	var config libwebsocketd.Config

	// If adding new command line options, also update the help text in help.go.
	// The flag library's auto-generate help message isn't pretty enough.

	// server config options
	portFlag := flag.Int("port", 80, "HTTP port to listen on")
	addressFlag := flag.String("address", "0.0.0.0", "Interface to bind to (e.g. 127.0.0.1)")
	versionFlag := flag.Bool("version", false, "Print version and exit")
	licenseFlag := flag.Bool("license", false, "Print license and exit")
	logLevelFlag := flag.String("loglevel", "access", "Log level, one of: debug, trace, access, info, error, fatal")

	// lib config options
	basePathFlag := flag.String("basepath", "/", "Base URL path (e.g /)")
	reverseLookupFlag := flag.Bool("reverselookup", true, "Perform reverse DNS lookups on remote clients")
	scriptDirFlag := flag.String("dir", "", "Base directory for WebSocket scripts")
	staticDirFlag := flag.String("staticdir", "", "Serve static content from this directory over HTTP")
	cgiDirFlag := flag.String("cgidir", "", "Serve CGI scripts from this directory over HTTP")
	devConsoleFlag := flag.Bool("devconsole", false, "Enable development console (cannot be used in conjunction with --staticdir)")

	flag.Parse()

	mainConfig.Addr = fmt.Sprintf("%s:%d", *addressFlag, *portFlag)
	mainConfig.BasePath = *basePathFlag

	switch *logLevelFlag {
	case "debug":
		mainConfig.LogLevel = libwebsocketd.LogDebug
		break
	case "trace":
		mainConfig.LogLevel = libwebsocketd.LogTrace
		break
	case "access":
		mainConfig.LogLevel = libwebsocketd.LogAccess
		break
	case "info":
		mainConfig.LogLevel = libwebsocketd.LogInfo
		break
	case "error":
		mainConfig.LogLevel = libwebsocketd.LogError
		break
	case "fatal":
		mainConfig.LogLevel = libwebsocketd.LogFatal
		break
	default:
		PrintHelp()
		os.Exit(1)
	}

	config.ReverseLookup = *reverseLookupFlag
	config.ScriptDir = *scriptDirFlag
	config.StaticDir = *staticDirFlag
	config.CgiDir = *cgiDirFlag
	config.DevConsole = *devConsoleFlag
	config.StartupTime = time.Now()
	config.ServerSoftware = fmt.Sprintf("websocketd/%s", Version())

	if len(os.Args) == 1 {
		PrintHelp()
		os.Exit(1)
	}

	if *versionFlag {
		fmt.Printf("%s %s\n", filepath.Base(os.Args[0]), Version())
		os.Exit(2)
	}

	if *licenseFlag {
		fmt.Printf("%s %s\n", filepath.Base(os.Args[0]), Version())
		fmt.Printf("%s\n", libwebsocketd.License)
		os.Exit(2)
	}

	args := flag.Args()
	if len(args) < 1 && config.ScriptDir == "" && config.StaticDir == "" && config.CgiDir == "" {
		fmt.Fprintf(os.Stderr, "Please specify COMMAND or provide --dir, --staticdir or --cgidir argument.\n")
		os.Exit(1)
	}

	if len(args) > 0 {
		if config.ScriptDir != "" {
			fmt.Fprintf(os.Stderr, "Ambiguous. Provided COMMAND and --dir argument. Please only specify just one.\n")
			os.Exit(1)
		}
		config.CommandName = args[0]
		config.CommandArgs = flag.Args()[1:]
		config.UsingScriptDir = false
	}

	if len(config.ScriptDir) > 0 {
		scriptDir, err := filepath.Abs(config.ScriptDir)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Could not resolve absolute path to dir '%s'.\n", config.ScriptDir)
			os.Exit(1)
		}
		config.ScriptDir = scriptDir
		config.UsingScriptDir = true
	}
//.........這裏部分代碼省略.........

func parseCommandLine() *Config {
	var mainConfig Config
	var config libwebsocketd.Config

	flag.Usage = func() {}
	flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ContinueOnError)

	// If adding new command line options, also update the help text in help.go.
	// The flag library's auto-generate help message isn't pretty enough.

	addrlist := Arglist(make([]string, 0, 1)) // pre-reserve for 1 address
	flag.Var(&addrlist, "address", "Interfaces to bind to (e.g. 127.0.0.1 or [::1]).")

	// server config options
	portFlag := flag.Int("port", 0, "HTTP port to listen on")
	versionFlag := flag.Bool("version", false, "Print version and exit")
	licenseFlag := flag.Bool("license", false, "Print license and exit")
	logLevelFlag := flag.String("loglevel", "access", "Log level, one of: debug, trace, access, info, error, fatal")
	sslFlag := flag.Bool("ssl", false, "Use TLS on listening socket (see also --sslcert and --sslkey)")
	sslCert := flag.String("sslcert", "", "Should point to certificate PEM file when --ssl is used")
	sslKey := flag.String("sslkey", "", "Should point to certificate private key file when --ssl is used")
	maxForksFlag := flag.Int("maxforks", 0, "Max forks, zero means unlimited")
	closeMsFlag := flag.Uint("closems", 0, "Time to start sending signals (0 never)")
	redirPortFlag := flag.Int("redirport", 0, "HTTP port to redirect to canonical --port address")

	// lib config options
	binaryFlag := flag.Bool("binary", false, "Set websocketd to experimental binary mode (default is line by line)")
	reverseLookupFlag := flag.Bool("reverselookup", false, "Perform reverse DNS lookups on remote clients")
	scriptDirFlag := flag.String("dir", "", "Base directory for WebSocket scripts")
	staticDirFlag := flag.String("staticdir", "", "Serve static content from this directory over HTTP")
	cgiDirFlag := flag.String("cgidir", "", "Serve CGI scripts from this directory over HTTP")
	devConsoleFlag := flag.Bool("devconsole", false, "Enable development console (cannot be used in conjunction with --staticdir)")
	passEnvFlag := flag.String("passenv", defaultPassEnv[runtime.GOOS], "List of envvars to pass to subprocesses (others will be cleaned out)")
	sameOriginFlag := flag.Bool("sameorigin", false, "Restrict upgrades if origin and host headers differ")
	allowOriginsFlag := flag.String("origin", "", "Restrict upgrades if origin does not match the list")

	headers := Arglist(make([]string, 0))
	headersWs := Arglist(make([]string, 0))
	headersHttp := Arglist(make([]string, 0))
	flag.Var(&headers, "header", "Custom headers for any response.")
	flag.Var(&headersWs, "header-ws", "Custom headers for successful WebSocket upgrade responses.")
	flag.Var(&headersHttp, "header-http", "Custom headers for all but WebSocket upgrade HTTP responses.")

	err := flag.CommandLine.Parse(os.Args[1:])
	if err != nil {
		if err == flag.ErrHelp {
			PrintHelp()
			os.Exit(0)
		} else {
			ShortHelp()
			os.Exit(2)
		}
	}

	port := *portFlag
	if port == 0 {
		if *sslFlag {
			port = 443
		} else {
			port = 80
		}
	}

	if socknum := len(addrlist); socknum != 0 {
		mainConfig.Addr = make([]string, socknum)
		for i, addrSingle := range addrlist {
			mainConfig.Addr[i] = fmt.Sprintf("%s:%d", addrSingle, port)
		}
	} else {
		mainConfig.Addr = []string{fmt.Sprintf(":%d", port)}
	}
	mainConfig.MaxForks = *maxForksFlag
	mainConfig.RedirPort = *redirPortFlag
	mainConfig.LogLevel = libwebsocketd.LevelFromString(*logLevelFlag)
	if mainConfig.LogLevel == libwebsocketd.LogUnknown {
		fmt.Printf("Incorrect loglevel flag '%s'. Use --help to see allowed values.\n", *logLevelFlag)
		ShortHelp()
		os.Exit(1)
	}

	config.Headers = []string(headers)
	config.HeadersWs = []string(headersWs)
	config.HeadersHTTP = []string(headersHttp)

	config.CloseMs = *closeMsFlag
	config.Binary = *binaryFlag
	config.ReverseLookup = *reverseLookupFlag
	config.Ssl = *sslFlag
	config.ScriptDir = *scriptDirFlag
	config.StaticDir = *staticDirFlag
	config.CgiDir = *cgiDirFlag
	config.DevConsole = *devConsoleFlag
	config.StartupTime = time.Now()
	config.ServerSoftware = fmt.Sprintf("websocketd/%s", Version())

	if len(os.Args) == 1 {
		fmt.Printf("Command line arguments are missing.\n")
		ShortHelp()
		os.Exit(1)
	}
//.........這裏部分代碼省略.........