func ParseEventRate()

in loadgen/limiter.go [34:57]

• 21 lines of code
• 9 McCabe index (conditional complexity)

func ParseEventRate(eventRate string) (int, time.Duration, error) {
	before, after, ok := strings.Cut(eventRate, "/")
	if !ok || before == "" || after == "" {
		return 0, 0, fmt.Errorf("invalid rate %q, expected format burst/duration", eventRate)
	}

	burst, err := strconv.Atoi(before)
	if err != nil {
		return 0, 0, fmt.Errorf("invalid burst %s in event rate: %w", before, err)
	}

	if !(after[0] >= '0' && after[0] <= '9') {
		after = "1" + after
	}
	interval, err := time.ParseDuration(after)
	if err != nil {
		return 0, 0, fmt.Errorf("invalid interval %q in event rate: %w", after, err)
	}
	if interval <= 0 {
		return 0, 0, fmt.Errorf("invalid interval %q, must be positive", after)
	}

	return burst, interval, nil
}