Splitted the node server in modules
This commit is contained in:
Gaël Métais
@@ -1,230 +1,42 @@
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var settings = require('./server_config/settings.json');
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var fs = require('fs');
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var async = require('async');
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var express = require('express');
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var app = express();
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var server = require('http').createServer(app);
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var io = require('socket.io').listen(server);
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var bodyParser = require('body-parser');
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var phantomas = require('phantomas');
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// Config file
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var settings = require('./server_config/settings.json');
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// Libraries
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var fs = require('fs');
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var async = require('async');
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var express = require('express');
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var app = express();
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var server = require('http').createServer(app);
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var io = require('socket.io').listen(server);
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var bodyParser = require('body-parser');
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// Internals
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var indexController = require('./app/node_controllers/indexController');
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var launchTestController = require('./app/node_controllers/launchTestController');
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var resultsController = require('./app/node_controllers/resultsController');
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var waitingQueueSocket = require('./app/node_controllers/waitingQueueSocket');
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var testQueue = require('./app/lib/testQueue');
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app.use(bodyParser.urlencoded({ extended: false }));
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// Home page
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app.get('/', function(req, res) {
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async.parallel({
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htmlTemplate: function(callback) {
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fs.readFile('./app/views/index.html', {encoding: 'utf8'}, callback);
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}
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}, function(err, results) {
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res.setHeader('Content-Type', 'text/html');
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res.send(results.htmlTemplate);
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});
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});
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// Waiting queue page
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app.post('/launchTest', function(req, res) {
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// Generate test id
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var testId = (Date.now()*1000 + Math.round(Math.random()*1000)).toString(36);
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var resultsPath = 'results/' + testId;
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var phantomasResultsPath = resultsPath + '/results.json';
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var url = req.body.url;
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if (url.indexOf('http://') !== 0 && url.indexOf('https://') !== 0) {
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url = 'http://' + url;
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}
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async.waterfall([
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function htmlTemplate(callback) {
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fs.readFile('./app/views/launchTest.html', {encoding: 'utf8'}, callback);
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},
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function sendResponse(html, callback) {
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html = html.replace('%%TEST_URL%%', url);
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html = html.replace('%%TEST_ID%%', testId);
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res.setHeader('Content-Type', 'text/html');
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res.send(html);
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callback();
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},
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function createFolder(callback) {
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// Create results folder
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fs.mkdir(resultsPath, callback);
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},
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function executePhantomas(callback) {
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var options = {
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timeout: 60,
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'js-deep-analysis': false,
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reporter: 'json:pretty',
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'skip-modules': [
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'ajaxRequests',
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'alerts',
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'cacheHits',
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'caching',
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'console',
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'cookies',
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'documentHeight',
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'domains',
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'domComplexity',
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'domMutations',
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'domQueries',
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'filmStrip',
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'jQuery',
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'jserrors',
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'har',
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'headers',
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'localStorage',
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'mainRequest',
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'pageSource',
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'redirects',
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'requestsStats',
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'screenshot',
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'staticAssets',
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'timeToFirst',
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'waitForSelector'
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].join(','),
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'include-dirs': [
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'phantomas_custom/core',
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'phantomas_custom/modules'
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].join(',')
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};
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console.log('Adding test ' + testId + ' on ' + url + ' to the queue');
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var task = {
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testId: testId,
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url: url,
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options: options
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};
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console.log(JSON.stringify(task, null, 4));
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taskQueue.push(task, callback);
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},
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function writeResults(json, resultsObject, callback) {
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console.log('Saving Phantomas results file to ' + phantomasResultsPath);
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fs.writeFile(phantomasResultsPath, JSON.stringify(json, null, 4), callback);
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}
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], function(err) {
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if (err) {
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console.log('An error occured while launching the phantomas test : ', err);
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fs.writeFile(phantomasResultsPath, JSON.stringify({url: url, error: err}, null, 4), function(err) {
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if (err) {
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console.log('Could not even write an error message on file ' + phantomasResultsPath);
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console.log(err);
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}
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});
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}
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});
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});
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// Results page
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app.get('/results/:testId', function(req, res) {
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var testId = req.params.testId;
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var resultsPath = 'results/' + testId;
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var phantomasResultsPath = resultsPath + '/results.json';
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console.log('Opening test ' + testId + ' results as HTML');
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async.parallel({
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htmlTemplate: function(callback) {
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fs.readFile('./app/views/results.html', {encoding: 'utf8'}, callback);
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},
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phantomasResults: function(callback) {
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fs.readFile(phantomasResultsPath, {encoding: 'utf8'}, callback);
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}
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}, function(err, results) {
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if (err) {
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console.log(err);
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return res.status(404).send('Sorry, test not found...');
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}
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var html = results.htmlTemplate;
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html = html.replace('%%RESULTS%%', results.phantomasResults);
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res.setHeader('Content-Type', 'text/html');
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res.send(html);
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});
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});
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// Routes definition
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app.get('/', indexController);
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app.post('/launchTest', function(req, res) { launchTestController(req, res, testQueue); });
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app.get('/results/:testId', resultsController);
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// Static files
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app.use('/public', express.static(__dirname + '/app/public'));
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app.use('/bower_components', express.static(__dirname + '/bower_components'));
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app.use('/public', express.static(__dirname + '/app/public'));
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app.use('/bower_components', express.static(__dirname + '/bower_components'));
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// Socket.io
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io.on('connection', function(socket){
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socket.on('waiting', function(testId) {
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console.log('User waiting for test id ' + testId);
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socket.testId = testId;
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// Check task position in queue
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var positionInQueue = -1;
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if (taskQueue.length() > 0) {
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taskQueue.tasks.forEach(function(task, index) {
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if (task.data.testId === testId) {
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positionInQueue = index;
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}
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});
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}
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if (positionInQueue >= 0) {
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socket.emit('position', positionInQueue);
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} else if (currentTask && currentTask.testId === testId) {
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socket.emit('running');
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} else {
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// Find in results files
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var exists = fs.exists('results/' + testId + '/results.json', function(exists) {
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if (exists) {
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// TODO : use eventEmitter to make sure the file is completly written on disk
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setTimeout(function() {
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socket.emit('complete');
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}, 1000);
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} else {
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socket.emit('404');
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}
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});
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}
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});
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waitingQueueSocket(socket, testQueue);
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});
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// Creating a queue and defining the worker function
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var currentTask = null;
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var taskQueue = async.queue(function queueWorker(task, callback) {
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currentTask = task;
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console.log('Starting test ' + task.testId);
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// It's time to launch the test!!!
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phantomas(task.url, task.options, function(err, json, results) {
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console.log('Test ' + task.testId + ' complete');
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currentTask = null;
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callback(err, json, results);
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});
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});
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// Launch the server
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server.listen(settings.serverPort, function() {
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