Function NewLimiterFromConfig

server/ratelimit/middleware.go:95–111

NewLimiterFromConfig 从配置创建限流器

(config Config)

// NewLimiterFromConfig 从配置创建限流器
func NewLimiterFromConfig(config Config) Limiter {
	if config.Algorithm == "sliding_window" {
		return NewSlidingWindowLimiter(config.RequestsPerIP, config.WindowSize)
	}

	// 默认使用令牌桶
	rate := config.RequestsPerIP / int(config.WindowSize.Seconds())
	if rate == 0 {
		rate = 1
	}
	capacity := config.BurstSize
	if capacity == 0 {
		capacity = config.RequestsPerIP
	}

	return NewTokenBucketLimiter(rate, capacity, config.WindowSize)
}