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‎.gitignore‎

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node_modules

‎currentcost_show_today/app.js‎

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var app = require('http').createServer(handler)
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, io = require('socket.io').listen(app)
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, fs = require('fs')
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app.listen(8500);
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function handler (req, res) {
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console.log('Connection from %j', req.connection.remoteAddress);
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fs.readFile(__dirname + '/client/index.html',
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function (err, data) {
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if (err) {
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res.writeHead(500);
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return res.end('Error loading index.html');
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}
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res.writeHead(200);
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res.end(data);
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});
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}
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io.sockets.on('connection', function (socket) {
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var redis = require("redis"),
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red_client = redis.createClient();
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red_client.psubscribe('currentcost.power.total_today*');
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red_client.on("pmessage", function(pattern, channel, message) {
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console.log("client channel recieve from channel : %s, the message : %s", channel, message);
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socket.emit('data', { channel: channel, value: message });
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});
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});
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‎currentcost_show_today/client/index.html‎

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<html>
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<head>
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<title>
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Power used today
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</title>
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</head>
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<body style="font-family:Verdana;">
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<div id=currentcost.power.total_today></div>
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<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script>
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<script src="http://www.trease.eu:8500/socket.io/socket.io.js"></script>
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<script>
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var socket = io.connect("http://www.trease.eu:8500");
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socket.on('data', function(data){
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// console.log("channel : %s, value : %s", data.channel, data.value);
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document.getElementById(data.channel).innerHTML= data.value;
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});
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</script>
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</body>
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</html>
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‎currentcost_show_today/public/index.html‎

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<html>
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<head>
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<title>PubSub</title>
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<script src="/socket.io/socket.io.js"></script>
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<script src="/javascripts/jquery-1.4.3.min.js"></script>
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</head>
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<body>
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<div id="content"></div>
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<script>
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$(document).ready(function() {
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var socket = new io.Socket('localhost', {port: 3000, rememberTransport: false/*, transports: ['xhr-polling']*/});
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var content = $('#content');
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socket.on('connect', function() {
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});
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socket.on('message', function(message){
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content.prepend(message + '<br />');
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}) ;
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socket.on('disconnect', function() {
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console.log('disconnected');
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content.html("<b>Disconnected!</b>");
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});
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socket.connect();
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});
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</script>
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</body>
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</html>

‎currentcost_show_today/runme.sh‎

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./node_modules/.bin/supervisor -e html,js app.js

‎express/myapp/app.js‎

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/**
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* Module dependencies.
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*/
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var express = require('express')
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, routes = require('./routes')
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, user = require('./routes/user')
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, http = require('http')
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, path = require('path');
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var app = express();
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// all environments
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app.set('port', process.env.PORT || 3000);
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app.set('views', __dirname + '/views');
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app.set('view engine', 'ejs');
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app.use(express.favicon());
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app.use(express.logger('dev'));
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app.use(express.bodyParser());
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app.use(express.methodOverride());
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app.use(express.cookieParser('your secret here'));
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app.use(express.session());
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app.use(app.router);
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app.use(require('stylus').middleware(__dirname + '/public'));
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app.use(express.static(path.join(__dirname, 'public')));
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// development only
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if ('development' == app.get('env')) {
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app.use(express.errorHandler());
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}
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app.get('/', routes.index);
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app.get('/users', user.list);
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http.createServer(app).listen(app.get('port'), function(){
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console.log('Express server listening on port ' + app.get('port'));
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});

‎express/myapp/package.json‎

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{
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"name": "application-name",
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"version": "0.0.1",
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"private": true,
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"scripts": {
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"start": "node app.js"
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},
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"dependencies": {
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"express": "3.1.1",
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"ejs": "*",
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"stylus": "*"
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}
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}

‎express/myapp/public/stylesheets/style.css‎

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body {
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padding: 50px;
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font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
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}
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a {
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color: #00b7ff;
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}

‎express/myapp/public/stylesheets/style.styl‎

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body
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padding: 50px
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font: 14px "Lucida Grande", Helvetica, Arial, sans-serif
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a
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color: #00B7FF

‎express/myapp/routes/index.js‎

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/*
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* GET home page.
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*/
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exports.index = function(req, res){
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res.render('index', { title: 'Express' });
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};

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