AIParkingApplication/AIParkingApplicationForm.cs

@@ -23,16 +23,12 @@ namespace AIParkingApplication
             InitializeComponent();
             this.apiController = apiController;
             this.configOnWeb = configOnWeb;
-            c3Device = new C3DeviceController("192.168.1.200");
 
             sidebar = new Sidebar(apiController);
             sidebar.Location = new Point(0, 0);
             Controls.Add(sidebar);
 
-            statusBar = new StatusBar("192.168.1.122", "192.168.1.200", TimeSpan.FromSeconds(1));
-            statusBar.Location = new Point(0, sidebar.Location.Y + sidebar.Height + 26);
-            statusBar.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
-            Controls.Add(statusBar);
+            c3Device = new C3DeviceController("192.168.1.200");
 
             try
             {
@@ -44,6 +40,11 @@ namespace AIParkingApplication
                 return;
             }
 
+            statusBar = new StatusBar("192.168.1.122", "192.168.1.200", TimeSpan.FromSeconds(1));
+            statusBar.Location = new Point(0, sidebar.Location.Y + sidebar.Height + 26);
+            statusBar.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
+            Controls.Add(statusBar);
+
             InitAllLanes();
         }
 

AIParkingApplication/ApiController.cs

@@ -13,15 +13,17 @@ namespace AIParkingApplication
         private const int MAX_REQUEST = 3;
         private HttpClient httpClient;
         private bool isHttpClientDisposabled;
+        private int numberOfRetry;
 
         public ApiController(string baseAddress, int numberOfRetry = 5)
         {
             httpClient = new HttpClient
             {
                 BaseAddress = new Uri(baseAddress),
-                Timeout = TimeSpan.FromSeconds(1)
+                Timeout = TimeSpan.FromSeconds(5)
             };
             isHttpClientDisposabled = false;
+            this.numberOfRetry = numberOfRetry;
         }
 
         ~ApiController()
@@ -89,7 +91,7 @@ namespace AIParkingApplication
                 {
                     response = await httpClient.PostAsJsonAsync("/api/check-card", request);
                     requestCounter += 1;
-                    await Task.Delay(100);
+                    Thread.Sleep(100);
                 }
                 while (response.StatusCode != HttpStatusCode.OK && requestCounter < MAX_REQUEST);
 
@@ -100,7 +102,7 @@ namespace AIParkingApplication
             catch (Exception ex)
             {
                 Console.WriteLine($"CheckCard Exception:\t{DateTime.Now.GetTimeFormatted()} \t {ex.Message}");
-                return null;
+                return new CardInformation();
             }
         }
 
@@ -133,8 +135,9 @@ namespace AIParkingApplication
                 {
                     response = await httpClient.PostAsJsonAsync("/api/save-logs", request);
                     requestCounter += 1;
-                    await Task.Delay(100);
-                } while (response.StatusCode != HttpStatusCode.OK && requestCounter < MAX_REQUEST);
+                    Thread.Sleep(100);
+                }
+                while (response.StatusCode != HttpStatusCode.OK && requestCounter < MAX_REQUEST);
                 response.EnsureSuccessStatusCode();
                 SaveLogRespone saveLogRespone = await response.Content.ReadAsAsync<SaveLogRespone>();
                 return saveLogRespone;

AIParkingApplication/LaneIn.cs

@@ -56,11 +56,6 @@ namespace AIParkingApplication
             }
             ClearPlateAndOverviewImage();
             var cardInfoResult = await apiController.GetCardInformation(cardNumber);
-            if (cardInfoResult == null)
-            {
-                lblStatusInfo.UpdateLabel("KHÔNG THỂ KẾT NỐI SERVER", Color.Purple);
-                return;
-            }
             if (!cardInfoResult.IsValid)
             {
                 lblStatusInfo.UpdateLabel("THẺ KHÔNG HỢP LỆ", Color.Purple);

AIParkingApplication/LaneOut.cs

@@ -59,11 +59,6 @@ namespace AIParkingApplication
             ClearPlateAndOverviewImage();
             ClearPlateAndOverviewImageIn();
             var cardInfoResult = await apiController.GetCardInformation(cardNumber);
-            if (cardInfoResult == null)
-            {
-                lblStatusInfo.UpdateLabel("KHÔNG THỂ KẾT NỐI SERVER", Color.Purple);
-                return;
-            }
             if (!cardInfoResult.IsValid)
             {
                 lblStatusInfo.UpdateLabel("THẺ KHÔNG HỢP LỆ", Color.Purple);