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ndt7-js

The official NDT7 Javascript client library. This code works in all modern browsers and is the source for the npm package @m-lab/ndt7.

Includes an example web client in the examples/ directory. Pull requests gratefully accepted if you would like to write a more sophisticated web client that uses the returned measurements to debug network conditions.

In case you need a standalone client binary that you can build and run on multiple operating systems and CPU architectures (including embedded devices) have a look at the official Go client instead.

API Reference

ndt7 : object

Kind: global namespace

ndt7.discoverServerURLS

discoverServerURLs contacts a web service (likely the Measurement Lab locate service, but not necessarily) and gets URLs with access tokens in them for the client. It can be short-circuted if config.server exists, which is useful for clients served from the webserver of an NDT server.

Kind: static property of ndt7
Access: public

Param Type Description
config Object An associative array of configuration options.
userCallbacks Object An associative array of user callbacks. It uses the callback functions error, serverDiscovery, and serverChosen.

ndt7.downloadTest ⇒ number

downloadTest runs just the NDT7 download test.

Kind: static property of ndt7
Returns: number - Zero on success, and non-zero error code on failure.
Access: public

Param Type Description
config Object An associative array of configuration strings
userCallbacks Object
urlPromise Object A promise that will resolve to urls.

ndt7.uploadTest ⇒ number

uploadTest runs just the NDT7 download test.

Kind: static property of ndt7
Returns: number - Zero on success, and non-zero error code on failure.
Access: public

Param Type Description
config Object An associative array of configuration strings
userCallbacks Object
urlPromise Object A promise that will resolve to urls.

ndt7.test ⇒ number

test discovers a server to run against and then runs a download test followed by an upload test.

Kind: static property of ndt7
Returns: number - Zero on success, and non-zero error code on failure.
Access: public

Param Type Description
config Object An associative array of configuration strings
userCallbacks Object