plugins/datasources/plugin_nodejs_sample/README.md

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freeboard.io-node.js
=========
This is a datasource plugin to connect freeboard.io dashboards to real-time node.js servers.
- Subscribe to real-time events using WebSockets (Sockets.io)
- Listen for events from different servers
- Restrict events from only certain [namespaces or rooms](http://socket.io/docs/rooms-and-namespaces/)
Installation
--------------
1. Place the file ```/datasources/plugin_node.js``` in yours freeboard.io plugins folder (```freeboard-master/js/freeboard/plugins```).
2. Edit your freeboard.io main HTML file and add the plugin to the header:
```js
<script type="text/javascript">
head.js(
...
"js/freeboard/plugins/plugin_node.js",
```
Testing
--------------
1. Follow the steps of the installation section to place the ```/datasources/plugin_node.js``` file in yours freeboard.io plugins folder (```freeboard-master/js/freeboard/plugins```).
2. You can run the **sample node.js server** (located at ```/datasources/plugin_nodejs_sample/plugin_node_sample_server.js```) with this command:
```js
node plugin_node_sample_server.js
```
3. Place and open the **sample freeboard.io dashboard** (located at ```/datasources/plugin_nodejs_sample/plugin_node_sample_client.html```) in yours freeboard.io root folder (```freeboard-master/```).
Requirements
--------------
To run the sample server make sure you have following dependencies installed:
1. [Node.js](http://nodejs.org)
2. [Socket.io](http://socket.io)
Screenshots
--------------
In this screenshot, you can see the sample server and dashboard running with multiple clients receiving data in real-time.
![Image](/datasources/plugin_nodejs_sample/plugin_node_sample_screenshot.png)
License
----
MIT