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https://github.com/ian-kent/linkio

Simulate network link speed
https://github.com/ian-kent/linkio

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Simulate network link speed

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linkio [![GoDoc](https://godoc.org/github.com/ian-kent/linkio?status.svg)](https://godoc.org/github.com/ian-kent/linkio) [![Build Status](https://travis-ci.org/ian-kent/linkio.svg?branch=master)](https://travis-ci.org/ian-kent/linkio)

======



linkio provides an io.Reader and io.Writer that simulate a network connection of a certain speed, e.g. to simulate a mobile connection.



### Quick start



You can use `linkio` to wrap existing io.Reader and io.Writer interfaces:



```go

// Create a new link at 512kbps

link = linkio.NewLink(512 * linkio.KilobitPerSecond)



// Open a connection

conn, err := net.Dial("tcp", "google.com:80")

if err != nil {

  // handle error

}



// Create a link reader/writer

linkReader := link.NewLinkReader(io.Reader(conn))

linkWriter := link.NewLinkWriter(io.Writer(conn))



// Use them as you would normally...

fmt.Fprintf(linkWriter, "GET / HTTP/1.0\r\n\r\n")

status, err := bufio.NewReader(linkReader).ReadString('\n')



```



### History and license



This repository is a fork of [Jeff R. Allen's

linkio](https://github.com/jeffallen/jra-go/tree/master/linkio). linkio

was brought into the world to help make a proxy to simulate slow

Internet links (see [this blog

posting](https://blog.nella.org/a-rate-limiting-http-proxy-in-go/)).



Jeff's linkio was licensed via the [BSD 3-clause

license](http://opensource.org/licenses/BSD-3-Clause).



Any modifications since the initial commit are Copyright ©‎ 2014, Ian

Kent (http://iankent.uk), and are released under the terms of the [MIT

License](http://opensource.org/licenses/MIT).