Exemple #1
0
func parseFlags() error {
	flag.Parse()
	validArgs := true
	errorMsg := ""

	if style == "" {
		validArgs = false
		errorMsg = "Missing `style` argument."
	} else if style != "stress" && style != "real" {
		validArgs = false
		errorMsg = "Invalid `style` argument passed to program: " + style + ". The only acceptable values are \"stress\" and \"real\"."
	} else if opsFilename == "" {
		validArgs = false
		errorMsg = "Missing required `ops_filename` argument."
	} else if workers <= 0 {
		validArgs = false
		errorMsg = "The `workers` argument must be a positive number."
	}

	if !validArgs {
		fmt.Println(errorMsg)
		fmt.Println("\nUsage:")
		flag.PrintDefaults()
		os.Exit(1)
	}

	var err error
	if logger, err = flashback.NewLogger(stdout, stderr); err != nil {
		return err
	}
	return nil
}
Exemple #2
0
func parseFlags() error {
	flag.Parse()
	if style != "stress" && style != "real" {
		return errors.New("Missing or invalid `style` argument passed to program: " + style)
	}
	if opsFilename == "" {
		return errors.New("Missing required `ops_filename` argument")
	}
	if workers <= 0 {
		return errors.New("The `workers` argument must be a positive number")
	}
	if maxOps == 0 {
		maxOps = math.MaxUint32
	}
	var err error
	if logger, err = flashback.NewLogger(stdout, stderr); err != nil {
		return err
	}
	return nil
}