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Advanced Node.JS Meetup Examples
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| var express = require('express'); | |
| var useragent = require('useragent'); | |
| var app = express(); | |
| useragent(true); | |
| app.use(function (req, res, next) { | |
| var agent = useragent.parse(req.headers['user-agent']); | |
| req.joola_event = { | |
| timestamp: new Date(), | |
| event: 'request', | |
| agent: agent, | |
| os: agent.os, | |
| device: agent.device, | |
| ip: req.ip, | |
| path: req.path | |
| }; | |
| return next(); | |
| }); | |
| app.get('/', function (req, res, next) { | |
| res.send('hello world'); | |
| return next(); | |
| }); | |
| app.use(function (req, res, next) { | |
| req.joola_event.duration_ms = new Date().getTime() - req.joola_event.timestamp.getTime(); | |
| console.log(req.joola_event); | |
| res.end(); | |
| return next(); | |
| }); | |
| var server = app.listen(3000, function () { | |
| var host = server.address().address; | |
| var port = server.address().port; | |
| console.log('Example app listening at http://%s:%s', host, port) | |
| }); |
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| <html> | |
| <head> | |
| <script src="http://localhost:8080/joola.js?APIToken=apitoken-demo&debug.enabled=true"></script> | |
| </head> | |
| <body> | |
| <div id="timeline"></div> | |
| <script> | |
| joola.on('ready', function (err) { | |
| if (err) | |
| throw err; | |
| console.log('joola ready'); | |
| $('#timeline').Timeline({ | |
| chart: { | |
| chart: { | |
| type: 'line' | |
| } | |
| }, | |
| query: { | |
| timeframe: 'last_30_minutes', | |
| interval: 'minute', | |
| dimensions: ['timestamp'], | |
| metrics: ['count', {key: 'duration_ms', aggregation: 'avg'}], | |
| collection: 'request', | |
| realtime: true | |
| } | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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