Merge pull request #128 from jitsi/tracking

Tracking

app.js

         ['audio', 'video'],
         function (avStream) {
             callback(avStream);
+            trackUsage('localMedia', {
+                audio: avStream.getAudioTracks().length,
+                video: avStream.getVideoTracks().length
+            });
         },
         function (error) {
             console.error('failed to obtain audio/video stream - stop', error);
+            trackUsage('localMediaError', {
+                media: error.media || 'video',
+                name : error.name
+            });
         },
         config.resolution || '360');
 }
     }
 });
 
+$(document).bind('iceconnectionstatechange.jingle', function (event, sid, session) {
+    switch (session.peerconnection.iceConnectionState) {
+    case 'checking': 
+        session.timeChecking = (new Date()).getTime();
+        session.firstconnect = true;
+        break;
+    case 'completed': // on caller side
+    case 'connected':
+        if (session.firstconnect) {
+            session.firstconnect = false;
+            var metadata = {};
+            metadata.setupTime = (new Date()).getTime() - session.timeChecking;
+            session.peerconnection.getStats(function (res) {
+                res.result().forEach(function (report) {
+                    if (report.type == 'googCandidatePair' && report.stat('googActiveConnection') == 'true') {
+                        metadata.localCandidateType = report.stat('googLocalCandidateType');
+                        metadata.remoteCandidateType = report.stat('googRemoteCandidateType');
+
+                        // log pair as well so we can get nice pie charts 
+                        metadata.candidatePair = report.stat('googLocalCandidateType') + ';' + report.stat('googRemoteCandidateType');
+
+                        if (report.stat('googRemoteAddress').indexOf('[') === 0) {
+                            metadata.ipv6 = true;
+                        }
+                    }
+                });
+                trackUsage('iceConnected', metadata);
+            });
+        }
+        break;
+    }
+});
+
 $(document).bind('joined.muc', function (event, jid, info) {
     updateRoomUrl(window.location.href);
     document.getElementById('localNick').appendChild(

index.html

     <script src="bottom_toolbar.js?v=2"></script><!-- media stream -->
     <script src="roomname_generator.js?v=1"></script><!-- generator for random room names -->
     <script src="keyboard_shortcut.js?v=1"></script>
+    <script src="tracking.js?v=1"></script><!-- tracking -->
     <link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
     <link rel="stylesheet" href="css/font.css?v=4"/>
     <link rel="stylesheet" type="text/css" media="screen" href="css/main.css?v=23"/>

libs/colibri/colibri.focus.js

             window.setTimeout(function() { self.modifySources(); }, 1000);
         }
         */
+        $(document).trigger('iceconnectionstatechange.jingle', [self.sid, self]);
     };
     this.peerconnection.onsignalingstatechange = function (event) {
         console.warn(self.peerconnection.signalingState);