...

app.js

@@ -6,7 +6,9 @@ var express = require('express')
     , cosm = require('./cosm.js')
     , osc = require('./osc.js');
 
-var cosmClient = new cosm([91755, 70632], 'orKBBdLAKuKJU-RxqmZpZB6q0baSAKxBTVhKdjhUNkdyVT0g');
+var cosmStreams = [ 70632 ];
+
+var cosmClient = new cosm(cosmStreams, 'orKBBdLAKuKJU-RxqmZpZB6q0baSAKxBTVhKdjhUNkdyVT0g');
 var oscClient = new osc('localhost', 8000);
 
 
@@ -27,13 +29,17 @@ app.configure('development', function () {
 });
 
 app.get("/", function(req, res) {
-    res.render('index', { title: 'COSM display' });
+    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(data);
+        console.log("bla" + data);
+    });
+
+    cosmClient.getStreams(cosmStreams, function(object) {
+        socket.emit('gotstream', object);
     });
 });
 
@@ -42,9 +48,10 @@ server.listen(app.get('port'), function () {
 });
 
 
-// this event is send by cosm client when new data arrives (just when values changed)
+
+// 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);
 });

cosm.js

@@ -2,13 +2,14 @@ var restify = require('restify')
     , util = require('util')
     , EventEmitter = require('events').EventEmitter;
 
-var COSM = function(streams, key) {
+// constructor function
+function Cosm(streams, key) {
     var self = this;
 
-    var streams = streams;
-    var interval = 1000;
+    self._streams = streams;
+    self._interval = 5000;
 
-    var jsonClient = restify.createJsonClient({
+    self._jsonClient = restify.createJsonClient({
         url: 'http://api.cosm.com',
         headers: { 'X-ApiKey': key },
         version:'*'
@@ -20,7 +21,7 @@ var COSM = function(streams, key) {
 
         for(var i=0; i<streams.length; i++) {
 
-            jsonClient.get('/v2/feeds/' + streams[i] + ".json", function(err, req, res, obj) {
+            self._jsonClient.get('/v2/feeds/' + self._streams[i] + ".json", function(err, req, res, obj) {
                 if(err || obj.datastreams == null) {
                     console.error("error getting stream: " + err)
                     return;
@@ -50,7 +51,7 @@ var COSM = function(streams, key) {
 
                     var address = streams[i] + ":" + dataStream.id;
 
-                    if(recentvalues[address] != currentValue) {
+                    if(true || recentvalues[address] != currentValue) {
                         self.emit('changedvalue', object);
                     }
 
@@ -62,9 +63,44 @@ var COSM = function(streams, key) {
             });
         }
 
-    }, interval);
+    }, self._interval);
+}
 
-    function isNumber(value) {
+util.inherits(Cosm, EventEmitter);
+
+Cosm.prototype.getStreams = function(streams, callback) {
+    var self = this;
+
+    for(var i=0; i<streams.length; i++) {
+
+        self._jsonClient.get('/v2/feeds/' + streams[i] + ".json", function(err, req, res, obj) {
+            if(err || obj.datastreams == null) {
+                console.error("error getting stream: " + err)
+                return;
+            }
+
+            var object = {
+                id: streams[i],
+                description: obj.description,
+                lat: typeof obj.location === 'undefined' ? 'undefined' : obj.location.lat,
+                lon: typeof obj.location === 'undefined' ? 'undefined' : obj.location.lon,
+                location: typeof obj.location === 'undefined' ? 'undefined' :obj.location.name,
+                title: obj.title
+            };
+
+            if(callback != 'undefined') callback(object);
+
+        });
+    }
+};
+
+
+
+module.exports = Cosm;
+
+
+
+function isNumber(value) {
     if ((undefined === value) || (null === value)) {
         return false;
     }
@@ -72,14 +108,4 @@ var COSM = function(streams, key) {
         return true;
     }
     return !isNaN(value - 0);
-    }
-
 }
-
-util.inherits(COSM, EventEmitter);
-
-module.exports = COSM;
-
-
-
-

package.json

@@ -8,7 +8,6 @@
     "dependencies": {
         "express": "3.1.0",
         "jade": "*",
-        "cosm": "*",
         "socket.io": "*",
         "restify": "*",
         "node-osc": "*"

views/index.jade

@@ -7,26 +7,26 @@ block content
 
     div.container
         div.row
-            for nr in [ 1,2,3]
+            for nr in streams
                 div.cell
                     div.kasten
                         h3 Freakduino + Netrad SBM-20
                         table
                             tr
                                 td Location:
-                                td Montreal
+                                td --
                             tr
                                 td Elevation:
-                                td 8m
+                                td --
                             tr
                                 td Latitude:
-                                td 51.6693413745977
+                                td --
                             tr
                                 td Longitude:
-                                td -1.28627210855484
+                                td --
                             tr
                                 td Update:
-                                td 23 Jun 2012 08:01:47
+                                td --
 
                         div.mapbox(id="map#{nr}")
 
@@ -48,14 +48,16 @@ block content
         }
 
         $(function() {
-            loadMap(document.getElementById("map1"), -34.397, 150.644);
-            loadMap(document.getElementById("map2"), -34.397, 150.644);
-            loadMap(document.getElementById("map3"), -34.397, 150.644);
+
         });
 
         var socket = io.connect('http://localhost');
-        socket.on('news', function (data) {
-            console.log(data);
-            socket.emit('my other event', { my: 'data' });
+
+        socket.on('gotstream', function(data) {
+            console.log("got stream: " + data);
+        });
+
+        socket.on('changedvalue', function(data) {
+            console.log("changedvalue: " + data);
         });