fix adding two cams with same ip

MainForm.cs

@@ -24,7 +24,7 @@ namespace robospot_camera_finder
         // UDP discovery constants
         private const int SEND_PORT = 7701;
         private const int RECEIVE_PORT = 7711;
-        private const string BROADCAST_ADDRESS = "10.255.255.255";
+        private const string BROADCAST_ADDRESS = "255.255.255.255";
         private const byte DEF_REQ_SCAN = 1;
         private const byte RES_REQ_SCAN = 11;
 
@@ -235,7 +235,7 @@ namespace robospot_camera_finder
             {
                 string ipAddress = manualForm.ipAddress;
 
-                Camera camera_to_add = new Camera("Camera " + ipAddress, ipAddress, "", "");
+                Camera camera_to_add = new Camera("Camera " + ipAddress, ipAddress, "", "CAM_FINDER_" + DateTime.Now.Ticks.ToString());
                 add_camera(camera_to_add);
             }
         }

StreamViewer.cs

@@ -25,6 +25,11 @@ namespace robospot_camera_finder
             cam_ip = ip;
             this.Text = name;
 
+            if (!cam_ip.StartsWith("10."))
+            {
+                MessageBox.Show("Camera is not on the 10.0.0.0/8 network, the RoboSpot might not find it.", "Wrong IP", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+            }
+
             string rtsp_link = "rtsp://" + ip + "/profile2/media.smp";
 
             updateZoomSlider();