chaosc-cosmdisplay/app.js

var express = require('express')
    , app = express()
    , server = require('http').createServer(app)
    , path = require('path')
    , io = require('socket.io').listen(server)
    , cosm = require('./cosm.js')
    , osc = require('./osc.js');

var cosmStreams = [ 70632 ];

var cosmClient = new cosm(cosmStreams, 'orKBBdLAKuKJU-RxqmZpZB6q0baSAKxBTVhKdjhUNkdyVT0g');
var oscClient = new osc('localhost', 8000);


app.configure(function () {
    app.set('port', process.env.PORT || 3000);
    app.set('views', __dirname + '/views');
    app.set('view engine', 'jade');
    app.use(express.logger('dev'));
    app.use(express.bodyParser());
    app.use(express.methodOverride());
    app.use(app.router);
    app.use(express.static(path.join(__dirname, 'public')));
});

app.configure('development', function () {
    app.use(express.errorHandler());
    app.locals.pretty = true;
});

app.get("/", function(req, res) {
    res.render('index', { title: 'COSM display', streams: cosmStreams });
});

io.sockets.on('connection', function (socket) {
    socket.emit('news', { hello: 'world' });
    socket.on('my other event', function (data) {
        console.log("bla" + data);
    });

    cosmClient.getStreams(cosmStreams, function(object) {
        socket.emit('gotstream', object);
    });
});

server.listen(app.get('port'), function () {
    console.log("Express server listening on port " + app.get('port'));
});



// this event is send by cosm client when new data arrives (just when values changes)
cosmClient.on('changedvalue', function(object) {
    console.log("changedvalue: " + JSON.stringify(object));
    oscClient.send('/cosm/' + object.stream + "/" + object.displayname, object.value);
    io.sockets.emit('changedvalue', object);
});