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swarmcloud-sw

v0.5.1

Published

Let your viewers become your unlimitedly scalable CDN.

Downloads

34

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

snowinszusnowinszu

Keywords

Readme

English | 简体中文

SW P2P Engine creates a communal, distributed CDN with the latest HTML5 APIs — WebRTC to connect browsers, ServiceWorker to fulfill requests, IndexedDB to cache data, and WebCrypto to do it all securely. And it never impacts the user experience. Ever. This lightweight library uses only a small portion of spare bandwidth, imperceptible CPU, 150MB of browser cache.

Features

  • WebRTC data channels for lightweight peer-to-peer communication with no plugins
  • Support most popular static assets such as js, css, image and audio.
  • Seamlessly fallback to normal server usage if a browser doesn't support WebRTC
  • Compatible with all CDNs. No service side changes required.
  • Efficient scheduling policies to enhance the performance of P2P streaming
  • Use IP database to group up peers by ISP and regions

Browser Support

WebRTC has already been incorporated into the HTML5 standard and it is broadly deployed in modern browsers. The compatibility of SwarmCloud depends on the browser support of WebRTC, Service Worker and IndexedDB.

Compatibility|Chrome | Firefox | Mac Safari| Android Wechat/QQ | Opera | Edge | iOS Safari | IE |
:-: | :-: | :-: | :-: | :-: | :-: | :-:| :-:| :-: WebRTC | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ❌ | Service Worker | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ❌ | IndexedDB | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ❌ | SwarmCloud | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ❌ |

Prepare

Register your Domain

Register your domain at https://oms.cdnbye.com

Secure your Site with HTTPS

Secure your site with HTTPS, if it isn't already. HTTPS is required for Service Worker, which we'll set up in the next step.

To secure your site with HTTPS, you can use Let's Encrypt for a free certificate and easy integration. See Let's Encrypt's starting instructions here to secure your site.

Host Service Worker

SwarmCloud's Service Worker is the magic sauce that powers P2P engine. Host SwarmCloud's Service Worker sw.js at the root of your domain, i.e., https://yourwebsite.com/sw.js. After an asset is cached, every device watches for future requests for that asset and automatically retrieves it from SwarmCloud's peer-to-peer network instead of the more expensive, slower origin server (over WebRTC instead of HTTP). You can customize configuration or use default one.

Basic Usage

Copy sw.js to your server and make it available at https://yourwebsite.com/sw.js.

Advanced Usage

See here

Install P2P Engine

Add P2P Engine script to the <head> element of home page. Again, you can customize configuration or use default one.

Basic Usage

Add one line of script to your website homepage index.html, this will setup p2p engine automatically with default configuration.

<head>
    <script src="https://cdn.jsdelivr.net/npm/swarmcloud-sw@latest?auto=true"></script>
    ...
</head>

Note that the script parameter must be "auto = true".

Advanced Usage

See here

Check if SwarmCloud works correctly

Open Chrome Console, if it prints like "ServiceWorker registration successful with scope", that means SwarmCloud is already working.

API and Configuration

See API.md

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