handler

package
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Published: Oct 30, 2018 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewConcurrencyReporter

func NewConcurrencyReporter(podName string, channels Channels)

NewConcurrencyReporter instantiates a new goroutine that consumes and produces from the given channels. On each tick on the ReportChan, StatMessages will be sent to the StatChan.

Types

type ActivationHandler

type ActivationHandler struct {
	Activator activator.Activator
	Logger    *zap.SugaredLogger
	Transport http.RoundTripper
	Reporter  activator.StatsReporter
}

ActivationHandler will wait for an active endpoint for a revision to be available before proxing the request

func (*ActivationHandler) ServeHTTP

func (a *ActivationHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type Channels

type Channels struct {
	// Ticks with every request arrived/completed respectively
	ReqChan chan ReqEvent
	// Ticks with every stat report request
	ReportChan <-chan time.Time
	// Stat reporting channel
	StatChan chan *autoscaler.StatMessage
}

Channels is a structure for holding the channels for driving Stats. It's just to make the NewStats signature easier to read.

type EnforceMaxContentLengthHandler

type EnforceMaxContentLengthHandler struct {
	NextHandler           http.Handler
	MaxContentLengthBytes int64
}

EnforceMaxContentLengthHandler prevents uploads larger than `MaxContentLengthBytes`

func (*EnforceMaxContentLengthHandler) ServeHTTP

type FilteringHandler

type FilteringHandler struct {
	NextHandler http.Handler
}

FilteringHandler will filter requests sent by the activator itself.

func (*FilteringHandler) ServeHTTP

func (h *FilteringHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type ReqEvent

type ReqEvent struct {
	Key       string
	EventType ReqEventType
}

ReqEvent represents an incoming/finished request with a given key

type ReqEventType

type ReqEventType int

ReqEventType specifies the type of event (In/Out)

const (
	// ReqIn represents an incoming request
	ReqIn ReqEventType = iota
	// ReqOut represents a finished request
	ReqOut
)

type RequestEventHandler

type RequestEventHandler struct {
	ReqChan chan ReqEvent
	// contains filtered or unexported fields
}

RequestEventHandler sends events to the given channel.

func NewRequestEventHandler

func NewRequestEventHandler(reqChan chan ReqEvent, next http.Handler) *RequestEventHandler

NewRequestEventHandler creates a handler that sends events about incoming/closed http connections to the given channel.

func (*RequestEventHandler) ServeHTTP

func (h *RequestEventHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

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