Add monotonic timestamp to Start/Stop share events

labs/bbb-webrtc-sfu/lib/bbb/messages/video/StartWebcamShareEvent.js

+/*
+ * 
+ */
+
+var inherits = require('inherits');
+var OutMessage = require('../OutMessage');
+var hrTime = require('../../../utils/Utils').hrTime;
+
+module.exports = function (C) {
+  function StartWebcamShareEvent (meetingId, stream) {
+    StartWebcamShareEvent.super_.call(this, C.START_WEBCAM_SHARE);
+
+    let date = new Date();
+    let timestamp = hrTime();
+
+    this.payload = {};
+    this.payload[C.MODULE] = C.WEBCAM_MODULE;
+    this.payload[C.MEETING_ID] = meetingId;
+    this.payload[C.TIMESTAMP] = timestamp;
+    this.payload[C.DATE] = date;
+    this.payload[C.TIMESTAMP_UTC] = date.getTime() ;
+    this.payload[C.STREAM_URL] = stream; 
+  };
+
+  inherits(StartWebcamShareEvent, OutMessage);
+  return StartWebcamShareEvent;
+}

labs/bbb-webrtc-sfu/lib/bbb/messages/video/StopWebcamShareEvent.js

+/*
+ * 
+ */
+
+var inherits = require('inherits');
+var OutMessage = require('../OutMessage');
+var hrTime = require('../../../utils/Utils').hrTime;
+
+module.exports = function (C) {
+  function StopWebcamShareEvent (meetingId, stream) {
+    StopWebcamShareEvent.super_.call(this, C.STOP_WEBCAM_SHARE);
+
+    let date = new Date();
+    let timestamp = hrTime();
+
+    this.payload = {};
+    this.payload[C.MODULE] = C.WEBCAM_MODULE;
+    this.payload[C.MEETING_ID] = meetingId;
+    this.payload[C.TIMESTAMP] = timestamp;
+    this.payload[C.DATE] = date;
+    this.payload[C.TIMESTAMP_UTC] = date.getTime() ;
+    this.payload[C.STREAM_URL] = stream; 
+    this.payload[C.DURATION] = 0;
+  };
+
+  inherits(StopWebcamShareEvent, OutMessage);
+  return StopWebcamShareEvent;
+}

labs/bbb-webrtc-sfu/lib/utils/Utils.js

+/**
+ *  * @classdesc
+ *   * Utils class for bbb-webrtc-sfu
+ *    * @constructor
+ *     */
+
+
+/*
+ * hrTime
+ * Gets monotonic system time in milliseconds
+ */
+
+exports.hrTime = function () {
+  let t = process.hrtime();
+
+  return t[0]*1000 + parseInt(t[1]/1000000);
+}