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⛔️ DEPRECATED libp2p-spdy is now deprecated in libp2p and will no longer be maintained. Please visit https://github.com/libp2p/js-libp2p#packages for a list of supported stream multiplexers available for js-libp2p.

js-libp2p-spdy

Discourse posts Dependency Status js-standard-style

SPDY 3.1 implementation wrapper that is compatible with libp2p Stream Muxer expected interface

Lead Maintainer

Jacob Heun

Installation

npm

> npm i libp2p-spdy

Use in Node.js

const spdy = require('libp2p-spdy')

Use in a browser with browserify, webpack or any other bundler

The code published to npm that gets loaded on require is in fact a ES5 transpiled version with the right shims added. This means that you can require it and use with your favourite bundler without having to adjust asset management process.

var spdy = require('libp2p-spdy')

Use in a browser Using a script tag

Loading this module through a script tag will make the Lip2pSpdy obj available in the global namespace.

<script src="https://unpkg.com/libp2p-spdy/dist/index.min.js"></script>
<!-- OR -->
<script src="https://unpkg.com/libp2p-spdy/dist/index.js"></script>

Usage

API

Attaching it to a socket (duplex stream)

As a listener

const listener = spdy(conn, true)

As a dialer

const dialer = spdy(conn, false)

Opening a multiplex duplex stream

const conn = dialer.newStream((err, conn) => {})

conn.on('error', (err) => {})

note: Works the same on the listener side

Receiving incoming stream

dialer.on('stream', (conn) => {})

note: Works the same on the listener side

Close

dialer.close()

note: Works the same on the listener side

Other events

dialer.on('close', () => {})
dialer.on('error', () => {})

note: Works the same on the listener side

This module uses pull-streams

We expose a streaming interface based on pull-streams, rather then on the Node.js core streams implementation (aka Node.js streams). pull-streams offers us a better mechanism for error handling and flow control guarantees. If you would like to know more about why we did this, see the discussion at this issue.

You can learn more about pull-streams at:

Converting pull-streams to Node.js Streams

If you are a Node.js streams user, you can convert a pull-stream to a Node.js stream using the module pull-stream-to-stream, giving you an instance of a Node.js stream that is linked to the pull-stream. For example:

const pullToStream = require('pull-stream-to-stream')

const nodeStreamInstance = pullToStream(pullStreamInstance)
// nodeStreamInstance is an instance of a Node.js Stream

To learn more about this utility, visit https://pull-stream.github.io/#pull-stream-to-stream.

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SPDY 3.1 implementation wrapper that is compatible with libp2p Stream Muxer expected interface

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