chaosc-fetcher/cosmfetcher.js

var assert = require('assert'),
		restify = require('restify'),
		osc = require('node-osc');

var hubAddress = '192.168.23.43', hubPort = 7110;
var oscClient = new osc.Client(hubAddress, hubPort);

var streams = [ 91755, 70632, 53146, 45582 ];

var client = restify.createJsonClient({
	url: 'http://api.cosm.com',	headers: {'X-ApiKey':'orKBBdLAKuKJU-RxqmZpZB6q0baSAKxBTVhKdjhUNkdyVT0g'},version:'*'
});

var recentvalues = {};

var getstream = function(streamId) {
	client.get('/v2/feeds/' + streamId + ".json", function(err, req, res, obj) {

		if(err == null && obj.datastreams != null) {
			for(var i=0;i<obj.datastreams.length;i++) {
				var dataStream = obj.datastreams[i];
				if(dataStream.id != null) {
                    var streamName = dataStream.id;
                    if(streamName.length < 2 && dataStream.tags.length > 0) streamName = dataStream.tags[0] + streamName;

                    var address = '/cosm/' + obj.id + "/" + streamName;
                    var currentValue = dataStream.current_value;


                    if(isNumber(currentValue)) currentValue = parseFloat(currentValue);

					if(recentvalues[address] != currentValue) {
                        oscClient.send(address, currentValue);
					}

					recentvalues[address] = currentValue;
				}
			}
		} else {
			console.error("receive failure %s", err);
		}
	});
}

setInterval(function() {
    for(var i=0;i<streams.length;i++) {
        getstream(streams[i]);
    }
}, 1000);


function isNumber(value) {
    if ((undefined === value) || (null === value)) {
        return false;
    }
    if (typeof value == 'number') {
        return true;
    }
    return !isNaN(value - 0);
}