Version: v0.7.5 Latest Latest

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Published: Mar 30, 2021 License: MIT Imports: 10 Imported by: 0




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type BBR

type BBR struct {
	// contains filtered or unexported fields

BBR implements bbr-like limiter. It is inspired by sentinel.

func (*BBR) Allow

func (l *BBR) Allow(ctx context.Context, opts ...limit.AllowOption) (func(info limit.DoneInfo), error)

Allow checks all inbound traffic. Once overload is detected, it raises ecode.LimitExceed error.

func (*BBR) Stat

func (l *BBR) Stat() Stat

Stat tasks a snapshot of the bbr limiter.

type Config

type Config struct {
	Enabled      bool
	Window       time.Duration
	WinBucket    int
	Rule         string
	Debug        bool
	CPUThreshold int64

Config contains configs of bbr limiter.

type Group

type Group struct {
	// contains filtered or unexported fields

Group represents a class of BBRLimiter and forms a namespace in which units of BBRLimiter.

func NewGroup

func NewGroup(conf *Config) *Group

NewGroup new a limiter group container, if conf nil use default conf.

func (*Group) Get

func (g *Group) Get(key string) limit.Limiter

Get get a limiter by a specified key, if limiter not exists then make a new one.

type Stat

type Stat struct {
	Cpu         int64
	InFlight    int64
	MaxInFlight int64
	MinRt       int64
	MaxPass     int64

Stats contains the metrics's snapshot of bbr.

Source Files

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