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circuit

package

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Versions in this module

v1

v1.4.0

Dec 21, 2023

v1.3.0

Jan 14, 2021

v1.2.2

Sep 12, 2020

v1.2.1

Aug 23, 2020

v1.2.0

May 27, 2020

v1.1.0

Feb 23, 2020

v1.0.3

Nov 2, 2019

v1.0.2

Sep 8, 2019

v1.0.1

Jul 17, 2019

Changes in this version

+ var DefaultWindowBuckets = 10

+ var DefaultWindowTime = time.Millisecond * 10000

+ var ErrBreakerOpen = errors.New("breaker open")

+ var ErrBreakerTimeout = errors.New("breaker time out")

+ type Breaker struct

+ BackOff backoff.BackOff

+ Clock clock.Clock

+ ShouldTrip TripFunc

+ func NewBreaker() *Breaker

+ func NewBreakerWithOptions(options *Options) *Breaker

+ func NewConsecutiveBreaker(threshold int64) *Breaker

+ func NewRateBreaker(rate float64, minSamples int64) *Breaker

+ func NewThresholdBreaker(threshold int64) *Breaker

+ func (cb *Breaker) AddListener(listener chan ListenerEvent)

+ func (cb *Breaker) Break()

+ func (cb *Breaker) Call(circuit func() error, timeout time.Duration) error

+ func (cb *Breaker) CallContext(ctx context.Context, circuit func() error, timeout time.Duration) error

+ func (cb *Breaker) ConsecFailures() int64

+ func (cb *Breaker) ErrorRate() float64

+ func (cb *Breaker) Fail()

+ func (cb *Breaker) Failures() int64

+ func (cb *Breaker) Ready() bool

+ func (cb *Breaker) RemoveListener(listener chan ListenerEvent) bool

+ func (cb *Breaker) Reset()

+ func (cb *Breaker) ResetCounters()

+ func (cb *Breaker) Subscribe() <-chan BreakerEvent

+ func (cb *Breaker) Success()

+ func (cb *Breaker) Successes() int64

+ func (cb *Breaker) Trip()

+ func (cb *Breaker) Tripped() bool

+ type BreakerEvent int

+ const BreakerFail

+ const BreakerReady

+ const BreakerReset

+ const BreakerTripped

+ type HTTPClient struct

+ BreakerLookup func(*HTTPClient, interface{}) *Breaker

+ BreakerReset func()

+ BreakerTripped func()

+ Client *http.Client

+ Panel *Panel

+ func NewHTTPClient(timeout time.Duration, threshold int64, client *http.Client) *HTTPClient

+ func NewHTTPClientWithBreaker(breaker *Breaker, timeout time.Duration, client *http.Client) *HTTPClient

+ func NewHostBasedHTTPClient(timeout time.Duration, threshold int64, client *http.Client) *HTTPClient

+ func (c *HTTPClient) Do(req *http.Request) (*http.Response, error)

+ func (c *HTTPClient) Get(url string) (*http.Response, error)

+ func (c *HTTPClient) Head(url string) (*http.Response, error)

+ func (c *HTTPClient) Post(url string, bodyType string, body io.Reader) (*http.Response, error)

+ func (c *HTTPClient) PostForm(url string, data url.Values) (*http.Response, error)

+ type ListenerEvent struct

+ CB *Breaker

+ Event BreakerEvent

+ type Options struct

+ BackOff backoff.BackOff

+ Clock clock.Clock

+ ShouldTrip TripFunc

+ WindowBuckets int

+ WindowTime time.Duration

+ type Panel struct

+ Circuits map[string]*Breaker

+ StatsPrefixf string

+ Statter Statter

+ func NewPanel() *Panel

+ func (p *Panel) Add(name string, cb *Breaker)

+ func (p *Panel) Get(name string) (*Breaker, bool)

+ func (p *Panel) Subscribe() <-chan PanelEvent

+ type PanelEvent struct

+ Event BreakerEvent

+ Name string

+ type Statter interface

+ Counter func(sampleRate float32, bucket string, n ...int)

+ Gauge func(sampleRate float32, bucket string, value ...string)

+ Timing func(sampleRate float32, bucket string, d ...time.Duration)

+ type TripFunc func(*Breaker) bool

+ func ConsecutiveTripFunc(threshold int64) TripFunc

+ func RateTripFunc(rate float64, minSamples int64) TripFunc

+ func ThresholdTripFunc(threshold int64) TripFunc

v1.0.0

Jul 16, 2019