25 lines
		
	
	
		
			563 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			25 lines
		
	
	
		
			563 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | 'use strict'; | ||
|  | 
 | ||
|  | var dgram = require('dgram'); | ||
|  | var dnsjs = require('dns-js'); | ||
|  | 
 | ||
|  | // SO_REUSEADDR and SO_REUSEPORT are set because
 | ||
|  | // the system mDNS Responder may already be listening on this port
 | ||
|  | 
 | ||
|  | var socket = dgram.createSocket({ | ||
|  |   type: 'udp4' | ||
|  | , reuseAddr: true | ||
|  | }); | ||
|  | 
 | ||
|  | var broadcast = '224.0.0.251'; // mdns
 | ||
|  | var port = 5353;               // mdns
 | ||
|  | 
 | ||
|  | socket.bind(port, function () { | ||
|  |   console.log('bound on', port); | ||
|  | 
 | ||
|  |   // mDNS must listen on the broadcast membership group address
 | ||
|  |   socket.setBroadcast(true); | ||
|  |   socket.addMembership(broadcast); | ||
|  | 
 | ||
|  |   // ... more stuff
 | ||
|  | }); |