Created
July 26, 2011 19:06
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node client/server using socket.io
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| <html> | |
| <body> | |
| <div id="status"></div> | |
| <br /> <br /> <br /> | |
| <div id="msg"></div> | |
| </body> | |
| <script src="http://localhost:4444/socket.io/socket.io.js"></script> | |
| <script> | |
| var socket = io.connect('http://localhost:4444'); | |
| socket.on('registered', function(id) { | |
| document.getElementById("status").innerHTML = "I got registered & my id is " + id; | |
| }); | |
| socket.on('cell_update', function (data, fn) { | |
| msg = document.getElementById("msg"); | |
| msg.innerHTML += "Got cell_update: "; | |
| msg.innerHTML += "<br />" + JSON.stringify(data) + " <br />"; | |
| msg.innerHTML += "Cell Label: <b>" +data.cells[0].label + "</b>"; | |
| fn("got it"); | |
| }); | |
| </script> | |
| </html> |
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| var express = require('express'); | |
| var app = express.createServer(); | |
| var io = require('socket.io').listen(app); | |
| app.listen(4444); | |
| io.sockets.on('connection', function (socket) { | |
| console.log('New connection'); | |
| socket.emit('registered', 4000); | |
| handle_new_user(socket); | |
| }); | |
| function handle_new_user(socket) { | |
| //wait 5 sec then send down a cell update | |
| setTimeout(function() { | |
| var cell = {cells: [{color: 'red', label: 'This is a test'}]}; | |
| socket.emit('cell_update', cell, function(data){ | |
| console.log('client got the cell_update: ' + data); | |
| }); | |
| }, 5000); | |
| } |
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