diag

package
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Published: Oct 6, 2017 License: Apache-2.0, MIT Imports: 7 Imported by: 0

Documentation

Overview

Package diag provides a set of network throttling filters for diagnostic purpose.

The filters enable adding artificial latency, limiting bandwidth or chunking responses with custom chunk size and delay. This throttling can be applied to the proxy responses or to the outgoing backend requests. An additional filter, randomContent, can be used to generate response with random text of specified length.

Index

Constants

View Source
const (
	RandomName           = "randomContent"
	LatencyName          = "latency"
	ChunksName           = "chunks"
	BandwidthName        = "bandwidth"
	BackendLatencyName   = "backendLatency"
	BackendBandwidthName = "backendBandwidth"
	BackendChunksName    = "backendChunks"
)

Variables

This section is empty.

Functions

func NewBackendBandwidth

func NewBackendBandwidth() filters.Spec

NewBackendBandwidth is the equivalent of NewBandwidth but for outgoing backend requests. Eskip example:

func NewBackendChunks

func NewBackendChunks() filters.Spec

NewBackendChunks is the equivalent of NewChunks but for outgoing backend requests. Eskip example:

func NewBackendLatency

func NewBackendLatency() filters.Spec

NewBackendLatency is the equivalent of NewLatency but for outgoing backend requests. Eskip example:

func NewBandwidth

func NewBandwidth() filters.Spec

NewBandwidth creates a filter specification whose filter instances can be used to maximize the bandwidth of the responses. It expects the bandwidth in kbyte/sec as an argument.

func NewChunks

func NewChunks() filters.Spec

NewChunks creates a filter specification whose filter instances can be used set artificial delays in between response chunks. It expects the byte length of the chunks and the delay milliseconds.

func NewLatency

func NewLatency() filters.Spec

NewLatency creates a filter specification whose filter instances can be used to add additional latency to responses. It expects the latency in milliseconds as an argument. It always adds this value in addition to the natural latency, and does not do any adjustments. Eskip example:

func NewRandom

func NewRandom() filters.Spec

NewRandom creates a filter specification whose filter instances can be used to respond to requests with random text of specified length. It expects the the byte length of the random response to be generated as an argument. Eskip example:

  • -> randomContent(2048) -> <shunt>;

Types

This section is empty.

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