rewrite webinterface to use express and cdn hosted bootstrap

anim.js

@@ -39,7 +39,7 @@ Anim.prototype.run = function(universe, onFinish) {
 		}
 	}
 	var ani_step = function() {
-		new_vals = {}
+		var new_vals = {}
 		for(var k in config) {
 			new_vals[k] = Math.round(config[k].start + ease['linear'](t, 0, 1, d) * (config[k].end - config[k].start))
 		}

config.js

@@ -1,8 +0,0 @@
-// webserver configuration
-
-// listen port
-exports.port = 80;
-
-// uid and gid to drop root priv.
-exports.uid = 'light';
-exports.gid = 'users';

devices.js

@@ -1,4 +1,10 @@
-exports.devices = {
+module.exports = {
+	'generic': {
+		channels: ['dimmer']
+	},
+	'showtec-multidim2': {
+		channels: ['1', '2', '3', '4']
+	},
 	'eurolite-led-bar': {
 		channels: ['ctrl', 'dimmer', 'strobe', 'red0', 'green0', 'blue0', 'red1', 'green1', 'blue1', 'red2', 'green2', 'blue2'],
 		ranges: {
@@ -31,9 +37,6 @@ exports.devices = {
 			}
 		}
 	},
-	'showtec-multidim2': {
-		channels: ['1', '2', '3', '4']
-	},
 	'stairville-led-par-56': {
 		channels: ['ctrl', 'red', 'green', 'blue', 'speed'],
 		ranges: {

dmx-web-example.conf

@@ -1,7 +1,15 @@
-exports.setup = {
+module.exports = {
-	presets: [
+	"server": {
+		"listen_port": 8080,
+		"listen_host": "::",
+
+		// drop privileges to:
+		// "uid": "www-data",
+		// "gid": "www-data"
+	},
+	"presets": [
 		{
-			label: 'White',
+			label: "White",
 			values: {
 				'office': { 0:16,  1:255,  2:0,  3:255,  4: 255,  5:255, 15:16, 16:255, 17:0, 18:255, 19: 255, 20:255 }
 			}
@@ -34,7 +42,8 @@ exports.setup = {
 	universes: {
 		'office': {
 			'output': {
-				'driver': 'enttec-usb-dmx-pro',
+				// 'driver': 'enttec-usb-dmx-pro',
+				'driver': 'null',
 				'device': 0
 			},
 			'devices': [

dmx-web.js

@@ -0,0 +1,109 @@
+#!/usr/bin/env node
+"use strict"
+
+var http     = require('http')
+var connect  = require('connect')
+var express  = require('express')
+var socketio = require('socket.io')
+var program  = require('commander')
+var DMX      = require('./dmx')
+var A        = DMX.Animation
+
+program
+	.version("0.0.1")
+	.option('-c, --config <file>', 'Read config from file [/etc/dmx-web.json]', '/etc/dmx-web.json')
+	.parse(process.argv)
+
+
+var	config = require(program.config)
+
+function DMXWeb() {
+	var app    = express()
+	var server = http.createServer(app)
+	var io     = socketio.listen(server)
+
+	var dmx = new DMX()
+
+	for(var universe in config.universes) {
+		dmx.addUniverse(
+			universe,
+			config.universes[universe].output.driver,
+			config.universes[universe].output.device
+		)
+	}
+
+	var listen_port = config.server.listen_port || 8080
+	var listen_host = config.server.listen_host || '::'
+
+	server.listen(listen_port, listen_host, null, function() {
+		if(config.server.uid && config.server.gid) {
+			try {
+				process.setuid(config.server.uid)
+				process.setgid(config.server.gid)
+			} catch (err) {
+				console.log(err)
+				process.exit(1)
+			}
+		}
+	})
+	io.set('log level', 1)
+
+	app.configure(function() {
+		app.use(connect.json())
+	})
+
+	app.get('/', function(req, res) {
+	  res.sendfile(__dirname + '/index.html')
+	})
+
+	app.post('/animation/:universe', function(req, res) {
+		try {
+			var universe = dmx.universes[req.params.universe]
+
+			// preserve old states
+			var old = {}
+			for(var i = 0; i < 256; i++) {
+				old[i] = universe.get(i)
+			}
+
+			var animation = new A()
+			for(var step in req.body) {
+				animation.add(
+					req.body[step].to,
+					req.body[step].duration || 0,
+					req.body[step].options  || {}
+				)
+			}
+			animation.add(old, 0)
+			animation.run(universe)
+			res.json({"success": true})
+		} catch(e) {
+			console.log(e)
+			res.json({"error": String(e)})
+		}
+	})
+
+	io.sockets.on('connection', function(socket) {
+		socket.emit('init', {'devices': DMX.devices, 'setup': config})
+
+		socket.on('request_refresh', function() {
+			for(var universe in config.universes) {
+				var u = {}
+				for(var i = 0; i < 256; i++) {
+					u[i] = dmx.universes[universe].get(i)
+				}
+				socket.emit('update', universe, u)
+			}
+		})
+
+		socket.on('update', function(universe, update) {
+			dmx.update(universe, update)
+		})
+
+		dmx.on('update', function(universe, update) {
+		    socket.emit('update', universe, update)
+		})
+	})
+}
+
+DMXWeb()

dmx.js

@@ -6,12 +6,16 @@ var EventEmitter = require('events').EventEmitter
 function DMX() {
 	this.universes = {}
 	this.drivers   = {}
+
 	this.registerDriver('null',               require('./drivers/null'))
 	this.registerDriver('enttec-usb-dmx-pro', require('./drivers/enttec-usb-dmx-pro'))
 }
 
 util.inherits(DMX, EventEmitter)
 
+DMX.devices   = require('./devices')
+DMX.Animation = require('./anim')
+
 DMX.prototype.registerDriver = function(name, module) {
 	this.drivers[name] = module
 }

index.html

@@ -5,8 +5,7 @@
 	<title>DMX Lichtschalter</title>
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<meta name="apple-mobile-web-app-capable" content="yes" />
-    <link href="/static/bootstrap/css/bootstrap.min.css" rel="stylesheet">
+	<link href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet">
-    <link href="/static/bootstrap/css/bootstrap-responsive.min.css" rel="stylesheet">
 	<style>
 	body {
 		background: #222;
@@ -45,7 +44,7 @@
 	</style>
 	<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
 	<script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.23/jquery-ui.min.js"></script>
-	<script src="/static/bootstrap/js/bootstrap.min.js"></script>
+	<script src="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
 	<script src="/socket.io/socket.io.js"></script>
 	<script>
 		function get_html_id(universe, channel) {

package.json

@@ -1,26 +1,32 @@
 {
-        "name":        "dmx",
+		"name":		   "dmx",
-        "version":     "0.0.1",
+		"version":	   "0.0.1",
-        "author":      "Sebastian Wiedenroth <wiedi@frubar.net>",
+		"author":	   "Sebastian Wiedenroth <wiedi@frubar.net>",
-        "description": "DMX library and webservice",
+		"description": "DMX library and webservice",
-        "url":         "https://github.com/wiedi/node-dmx",
+		"url":		   "https://github.com/wiedi/node-dmx",
-        "main":        "dmx.js",
+		"main":		   "dmx.js",
-        "repository": {
+		"bin": {
-                "type": "git",
+						"dmx-web":	 "./dmx-web.js"
-                "url": "https://github.com/wiedi/node-dmx.git"
+		},
-        },
+		"repository": {
-        "keywords": [
+				"type": "git",
-                "DMX",
+				"url": "https://github.com/wiedi/node-dmx.git"
-                "light control"
+		},
-        ],
+		"keywords": [
-        "dependencies": {
+				"DMX",
-                "ftdi":      "1.0.x",
+				"light control"
-                "socket.io": "0.9.x"
+		],
-        },
+		"dependencies": {
-        "licenses": [
+				"ftdi":		 "1.0.x",
-                {
+				"socket.io": "0.9.x",
-                        "name": "MIT",
+				"connect":	 "2.11.x",
-                        "url": "http://www.opensource.org/licenses/mit-license.php"
+				"express":	 "3.4.x",
-                }
+				"commander": "2.0.x"
-        ]
+		},
+		"licenses": [
+				{
+						"name": "MIT",
+						"url": "http://www.opensource.org/licenses/mit-license.php"
+				}
+		]
 }

web.js

@@ -1,137 +0,0 @@
-"use strict"
-
-var http  = require('http'),
-	path = require('path'),
-	io   = require('socket.io'),
-	fs   = require('fs'),
-	A = require('./anim.js').Anim
-;
-
-var DMX = require('./dmx')
-var    config = require('./config.js')
-	,     web = require('./web.js')
-	,   setup = require('./setup.js').setup
-	, devices = require('./devices.js').devices
-
-
-function DMXWeb(dmx) {
-	function handler (request, response) {
-		var reqBody = '';
-	
-		request.on("data", function (chunk) {
-			reqBody += chunk;
-		});
-		
-		request.on("end", function () {
-			var urlData = require('url').parse(request.url), 
-				urlPath = urlData.pathname.split('/');
-			
-			if(urlPath.length == 3 && urlPath[1] == 'animation') {
-				try {
-					// save old states
-					var universe = dmx.drivers[urlPath[2]], old = {}, black = {};
-					for(var i = 0; i < 256; i++) {
-						old[i] = universe.get(i);
-						black[i] = 0;
-					}
-
-					var jsonAnim = JSON.parse(reqBody), animation = new A();
-					for(var step in jsonAnim) {
-						animation.add(jsonAnim[step].to, jsonAnim[step].duration || 0, jsonAnim[step].options || {});
-					}
-				
-					animation.add(old, 0);
-					animation.run(universe);
-					response.write('{ "success": true }');
-				} catch(e) {
-					response.write('{ "error": "broken json" }');
-				}
-				
-				response.end();
-				
-				return;
-			}
-			
-			var filePath = '.' + urlData.pathname;
-			if (filePath == './')
-				filePath = './index.html';
-
-			var extname = path.extname(filePath);
-			var contentType = 'text/html';
-			switch (extname) {
-				case '.js':	 contentType = 'text/javascript'; break;
-				case '.css': contentType = 'text/css';        break;
-			}
-
-			fs.exists(filePath, function(exists) {
-				if(!exists) {
-					console.log('404: ' + request.url)
-					response.writeHead(404);
-					response.end();
-					return;
-				}
-
-				fs.readFile(filePath, function(error, content) {
-					if (error) {
-						console.log('500: ' + request.url)
-						response.writeHead(500);
-						response.end();
-						return;
-					}
-
-					response.writeHead(200, { 'Content-Type': contentType });
-					response.end(content, 'utf-8');
-				});
-			});
-		});
-	}
-
-
-	var app = http.createServer(handler)
-	app.listen(config.port, '::', null, function() {
-		try {
-			process.setgid(config.gid);
-			process.setuid(config.uid);
-		} catch (err) {
-			console.log(err);
-			process.exit(1);
-		}
-	});
-
-	io.listen(app).sockets.on('connection', function (socket) {
-		socket.emit('init', {'devices': devices, 'setup': setup});
-		socket.on('request_refresh', function() {
-			for(var universe in setup.universes) {
-				var u = {}
-				for(var i = 0; i < 256; i++) {
-					u[i] = dmx.universes[universe].get(i);
-				}
-				console.log('sending update...')
-				console.log(u)
-				socket.emit('update', universe, u);
-			}
-		});
-		
-		dmx.on('update', function(universe, update){
-		    socket.emit('update', universe, update);
-		});
-		
-		socket.on('update', function(universe, update) {
-			dmx.update(universe, update);
-		});
-	});
-}	
-
-var dmx = new DMX()
-
-for(var universe in setup.universes) {
-	dmx.addUniverse(
-		universe,
-		setup.universes[universe].output.driver,
-		setup.universes[universe].output.device
-	)
-}
-
-var web = new DMXWeb(dmx)
-
-