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coap-shepherd

Network server and manager for lightweight M2M (LWM2M).

NPM

Build Status npm npm


Documentation

Please visit the Wiki.


Overview

OMA Lightweight M2M (LWM2M) is a resource constrained device management protocol relies on CoAP. And CoAP is an application layer protocol that allows devices to communicate with each other RESTfully over the Internet.

coap-shepherd, coap-node and lwm2m-bs-server modules aim to provide a simple way to build and manage a LWM2M network.

coap-shepherd net

LWM2M Server: coap-shepherd

  • It is a LWM2M Server application framework running on node.js.
  • It follows most parts of LWM2M specification to meet the requirements of a machine network and devices management.
  • It works well with Leshan and Wakaama.
  • Supports functionalities, such as permission of device joining, reading resources, writing resources, observing resources, and executing a procedure on a remote device.
  • It follows IPSO data model to let you allocate and query resources on remote devices with semantic URIs in a comprehensive manner.

Installation

$ npm install coap-shepherd --save


Usage

This example shows how to start a server and allow devices to join the network within 180 seconds after the server is ready:

var cserver = require('coap-shepherd');

cserver.on('ready', function () {
    console.log('Server is ready.');

    // when server is ready, allow devices to join the network within 180 secs
    cserver.permitJoin(180);  
});

cserver.start(function (err) {  // start the server
    if (err)
        console.log(err);
});

// That's all to start a LWM2M server.
// Now cserver is going to automatically tackle most of the network managing things.

Or you can pass a config object as an argument to the CoapShepherd constructor and instance the CoapShepherd by yourself:

var CoapShepherd = require('coap-shepherd').constructor;
var cshepherd = new CoapShepherd({
    connectionType: 'udp6',
    port: 5500,
    defaultDbPath: __dirname + '/../lib/database/myShepherd.db'
});

License

Licensed under MIT.

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Network server and manager for lightweight M2M (LWM2M).

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