100 lines
2.5 KiB
JavaScript
100 lines
2.5 KiB
JavaScript
const Express = require('express');
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const pug = require('pug');
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const fs = require("fs");
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const readline = require("readline");
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const ping = require('ping');
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const app = Express();
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const port = 3333;
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const version = 1.1;
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app.use( Express.json() );
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app.use( Express.urlencoded( {extended: true } ) );
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app.disable( 'x-powered-by' );
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app.set( 'views', __dirname + '/views' );
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app.set( 'view engine', 'pug' );
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app.get( '/', async ( req, res ) => {
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res.send( pug.renderFile( 'views/index.pug', { } ) );
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res.end();
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} );
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/** API **/
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const apiResponse = {
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"api-name": "network-devices",
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"api-version": version,
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"api-author": "Tobias Hopp",
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"status": 200,
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data: null
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};
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app.get( '/api/getDeviceStatus/:ipAddress', async ( req, res ) => {
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console.log( 'Loading device status for ' + req.params.ipAddress + '...' );
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let ping_response = await ping.promise.probe(req.params.ipAddress, {
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timeout: 5,
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extra: ['-i', '1'],
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});
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console.log(ping_response);
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let response = apiResponse;
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response.status = 200;
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res.status(200);
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let data;
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if( ping_response.alive )
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{
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data = { online: true, host: ping_response.host, time: ping_response.time, avg: ping_response.avg }
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}
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else
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{
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data = { online: false, host: ping_response.host, time: ping_response.time, avg: ping_response.avg }
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}
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response.data = data;
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res.json( response );
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res.end();
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} );
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app.get( '/api/getDevices', async ( req, res ) => {
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// Read the dnsmasq file
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console.log( 'Loading all devices...' );
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const fileStream = fs.createReadStream('/var/lib/misc/dnsmasq.leases' );
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const rl = readline.createInterface( { input: fileStream, crlfDelay: Infinity } );
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let data = [];
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for await ( const nline of rl )
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{
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let thisData = {};
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let line = nline.substr( nline.indexOf( ' ' ) +1 )
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thisData.macAddress = line.substr( 0, line.indexOf( ' ' ) );
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thisData.ipAddress = line.substr( thisData.macAddress.length +1, line.substr( thisData.macAddress.length+1 ).indexOf( ' ') );
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thisData.hostname = line.substr( thisData.macAddress.length + thisData.ipAddress.length +2, line.length-1 );
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//console.log( nline );
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data.push( thisData );
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}
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let response = apiResponse;
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response.status = 200;
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res.status(200);
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response.data = data;
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res.json( response );
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res.end();
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} );
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app.get( '*', ( req, res ) => {
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res.status( 404 ).send( "not found" );
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res.end();
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} );
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app.listen( port, () => { console.log( "Server started!" )} );
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