Added new default value for TrackerSerialNumber. Changed the App.config for…

Added new default value for TrackerSerialNumber. Changed the App.config for debugging on Neil. Added Tobii timestamps to message. Activated KeepClean feature of WebSocketServer.

GazeWebSocketServer/App.config

 <?xml version="1.0" encoding="utf-8" ?>
 <configuration>
   <appSettings>
-    <add key="TrackerSerialNumber" value="" />
-    <add key="TrackerFrequency_Hz" value="600" />
+    <add key="TrackerSerialNumber" value="TPSP1-010108442534" />
+    <add key="TrackerFrequency_Hz" value="120" />
     <add key="WebSocketPort" value="8001" />
     <add key="WebSocketEndpoint" value="/gaze" />
     <add key="DebugFlag" value="false" />

GazeWebSocketServer/ConfigurationData.cs

@@ -30,7 +30,7 @@ namespace GazeWebSocketServer
 
         public static void InitializeUnexistingWithDefaults()
         {
-            InitializeSetting("TrackerSerialNumber", "");
+            InitializeSetting("TrackerSerialNumber", "TPSP1-");
             InitializeSetting("TrackerFrequency_Hz", "600");
             InitializeSetting("WebSocketPort", "8001");
             InitializeSetting("WebSocketEndpoint", "/gaze");

GazeWebSocketServer/GazeCoordinateBehavior.cs

@@ -17,10 +17,10 @@ namespace GazeWebSocketServer
             eyeTrackerClient.Start(this);
         }
 
-        ~GazeCoordinateBehavior()
-        {
-            eyeTrackerClient.Stop();
-        }
+        //~GazeCoordinateBehavior()
+        //{
+        //    eyeTrackerClient.Stop();
+        //}
 
         //protected override void OnOpen()
         //{

GazeWebSocketServer/GazeData.cs

@@ -13,17 +13,23 @@ namespace GazeWebSocketServer
         public readonly float rightX;
         public readonly float rightY;
 
-        public GazeData(float leftX, float leftY, float rightX, float rightY)
+        public readonly long trackerTimeStamp;
+        public readonly long systemTimeStamp;
+
+        public GazeData(float leftX, float leftY, float rightX, float rightY, long trackerTimeStamp, long systemTimeStamp)
         {
             this.leftX = leftX;
             this.leftY = leftY;
             this.rightX = rightX;
             this.rightY = rightY;
-        }
+            this.trackerTimeStamp = trackerTimeStamp;
+            this.systemTimeStamp = systemTimeStamp;
+        }   
 
         public override string ToString()
         {
-            return $"\"{leftX}\", \"{leftY}\", \"{rightX}\", \"{rightY}\"";
+            FormattableString message = $"{leftX};{leftY};{rightX};{rightY};{trackerTimeStamp};{systemTimeStamp}";
+            return FormattableString.Invariant(message);
         }
     }
 }

GazeWebSocketServer/GazeDataProcessor.cs

@@ -24,7 +24,9 @@ namespace GazeWebSocketServer
             GazeData data = new GazeData(e.LeftEye.GazePoint.PositionOnDisplayArea.X*screenWidth,
                                          e.LeftEye.GazePoint.PositionOnDisplayArea.Y*screenHeight,
                                          e.RightEye.GazePoint.PositionOnDisplayArea.X*screenWidth,
-                                         e.RightEye.GazePoint.PositionOnDisplayArea.Y*screenHeight);
+                                         e.RightEye.GazePoint.PositionOnDisplayArea.Y*screenHeight,
+                                         e.DeviceTimeStamp,
+                                         e.SystemTimeStamp);
             return data;
         }
     }

GazeWebSocketServer/Program.cs

@@ -13,9 +13,10 @@ namespace GazeWebSocketServer
             ConfigurationData config = ConfigurationData.ParseToObject();
 
             var wssv = new WebSocketServer(config.WebSocketPort);
+            wssv.KeepClean = true;
             GazeCoordinateBehavior behavior = new GazeCoordinateBehavior(config);
             wssv.AddWebSocketService(config.WebSocketEndpoint, () => behavior);
-
+            
             wssv.Start();
             Console.ReadKey(true);
             wssv.Stop();