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express http server (includes some boilerplate socket.io but thats just "gravy" :) 1) install node (http://nodejs.org/download) 2) download the 3 files from this Gist 3) run `npm install` 4) run `node server.js` 5) visit "http://localhost:8000" in your browser 6) browse anywhere within <webroot> OR click on "index.html" for the websockets demo
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="/socket.io/socket.io.js"></script> | |
| </head> | |
| <body> | |
| <h2>Open the debug console</h2><p>(<em>F12 / Ctrl+Shift+K</em>) to view websocket messages</p> | |
| </body> | |
| <script> | |
| window.onload = function() { | |
| // | |
| var socket = io.connect('http://localhost:8000') | |
| , seq = 0 | |
| socket.on('message', function (msg) { | |
| console.log( JSON.stringify(msg) ) | |
| }) | |
| window.setInterval(function() { | |
| socket.emit('message', { seq: ++seq, data: 'websocket message!' }) | |
| }, 1000) | |
| } | |
| </script> | |
| </html> |
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| { | |
| "name": "server", | |
| "description": "generic express http server.", | |
| "author": "joates", | |
| "license": "MIT", | |
| "version": "0.0.1", | |
| "main": "server.js", | |
| "dependencies": { | |
| "express": "3.3.x", | |
| "socket.io": "0.9.x" | |
| }, | |
| "engine": { | |
| "node": "0.10.x" | |
| } | |
| } |
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| // server.js | |
| // by joates (Aug-2013) | |
| var express = require('express') | |
| , http = require('http') | |
| , io = require('socket.io') | |
| , app = express() | |
| var port = process.env.PORT || 8000 | |
| , webroot = __dirname + '/' | |
| app.use(express.favicon()) | |
| app.use(express.directory(webroot)); | |
| app.use(express.static(webroot)) | |
| app.log = function() { | |
| var d = new Date() | |
| , dTime = d.toTimeString().substr(0, 8) | |
| , aArgs = [ dTime + ' ' + arguments[0] ] | |
| console.log.apply(this, aArgs) | |
| } | |
| var server = http.createServer(app).listen(port, function() { | |
| console.log(' Express server listening on port ' + port) | |
| }) | |
| // | |
| // Socket.IO server set up & configuration. | |
| var sio = io.listen(server) | |
| sio.configure(function () { | |
| sio.set('log level', 0) | |
| sio.set('authorization', function (handshakeData, callback) { | |
| callback(null, true) // error first callback style | |
| }) | |
| }) | |
| // Register event handlers & callbacks. | |
| sio.sockets.on('connection', function (socket) { | |
| socket.on('message', function(msg) { | |
| // | |
| app.log( JSON.stringify(msg) ) | |
| socket.send('got seq #' + msg.seq + '.. thanks!') | |
| }) | |
| socket.on('disconnect', function() { | |
| // | |
| }) | |
| }) |
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