Broadcast LMS

client.js

var dgram = require('dgram');
var socket = dgram.createSocket('udp4');
 
var message = new Buffer([0x65,
                 'I', 'P', 'A', 'D', 0x00,
                 'N','A', 'M', 'E', 0x00,
                 'J', 'S', 'O', 'N', 0x00,
                 'V', 'E', 'R', 'S', 0x00,
                 'U', 'U', 'I', 'D', 0x00,
                 'J', 'V', 'I', 'D', 0x1,0x2,0x3,0x4,0x5,0x6,0x7]);
 
var broadcastAddress = '255.255.255.255';
// Port utilisé pour le broadcast et SlimProto
var broadcastPort = 3483; 

socket.on("listening", function() {
  console.log("socket openned");
  socket.setBroadcast(true);
});
 
socket.on("message", function ( data, rinfo ) {
    console.log("Message received from ", rinfo.address, " : ", data);
});


setInterval(function () {

    socket.send(new Buffer(message), 
            0, 
            message.length, 
            broadcastPort, 
            broadcastAddress, 
            function (err) {
                if (err) console.log(err);
                
                console.log("Message sent");
            }
    );
}, 1000);

terminal

# udpClient  node client.js
socket openned
Message sent
Message received from  10.251.98.134  :  <Buffer 45>
Message received from  10.251.98.175  :  <Buffer 45>
Message sent
Message received from  10.251.98.134  :  <Buffer 45>
Message sent
Message received from  10.251.98.134  :  <Buffer 45>
Message sent
Message received from  10.251.98.134  :  <Buffer 45>
Message received from  10.251.98.175  :  <Buffer 45>