53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
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'use strict';
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var dgram = require('dgram')
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, fs = require('fs')
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, ssdpAddress = '239.255.255.250'
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, ssdpPort = 1900
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, sourceIface = '0.0.0.0' // or ip (i.e. '192.168.1.101', '10.0.1.2')
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, sourcePort = 0 // chosen at random
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, searchTarget = 'urn:schemas-upnp-org:device:InternetGatewayDevice:1'
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, socket
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;
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function broadcastSsdp() {
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var query
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;
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// described at bit.ly/1zjVJVW
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query = new Buffer(
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'M-SEARCH * HTTP/1.1\r\n'
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+ 'HOST: ' + ssdpAddress + ':' + ssdpPort + '\r\n'
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+ 'MAN: "ssdp:discover"\r\n'
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+ 'MX: 1\r\n'
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+ 'ST: ' + searchTarget + '\r\n'
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+ '\r\n'
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);
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// Send query on each socket
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socket.send(query, 0, query.length, ssdpPort, ssdpAddress);
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}
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function createSocket() {
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socket = dgram.createSocket('udp4');
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socket.on('listening', function () {
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console.log('socket ready...');
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broadcastSsdp();
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});
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socket.on('message', function (chunk, info) {
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var message = chunk.toString();
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console.log('[incoming] UDP message');
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console.log(info);
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console.log(message);
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});
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console.log('binding to', sourceIface + ':' + sourcePort);
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socket.bind(sourcePort, sourceIface);
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}
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createSocket();
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