leakybucket

package

v0.0.0-...-ade9fc0 Latest Latest Go to latest Published: Oct 10, 2020 License: MIT Imports: 2 Imported by: 0

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Repository

github.com/MDGSF/utils

README ¶

leakybucket

https://www.nginx.com/blog/rate-limiting-nginx/#limit_req_zone

Documentation ¶

Index ¶

type Bucket
- func NewBucket(burst, rate int) *Bucket
- func (b *Bucket) AddOne() bool

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Bucket ¶

type Bucket struct {
	Burst  int // Bucket size
	Remain int // Bucket left space
	Rate   int // 1 req/(Rate ms)
	// contains filtered or unexported fields
}

Bucket bucket used to rate limiting

func NewBucket ¶

func NewBucket(burst, rate int) *Bucket

NewBucket create a bucket @param burst[in]: 在同一时间内的最大并发数量 @param rate[in]: 每隔 rate 毫秒，bucket 内的数量减少一个。

func (*Bucket) AddOne ¶

func (b *Bucket) AddOne() bool

AddOne 客户端请求上来的时候，调用这个函数。如果 bucket 已经满了，则返回 false，表示该客户端请求过于频繁。如果 bucket 未满，则 bucket 内的数量加一，并返回 true。

Source Files ¶

View all Source files

leakybucket.go

Directories ¶

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