优化监控相机重连机制

source/DeviceLibrary/duoStore/BoxBean.cs

@@ -345,6 +345,7 @@ namespace OnlineStore.DeviceLibrary
 
             runStatus = StoreRunStatus.Wait;
             mainTimer.Enabled = false;
+            CameraClose();
             TimeSpan span = DateTime.Now - StartTime;
             LogInfo(",停止运行，总运行时间：" + span.ToString());
         }

source/DeviceLibrary/duoStore/BoxBean_Camera.cs

@@ -20,6 +20,7 @@ namespace OnlineStore.DeviceLibrary
         
         public event EventHandler<Bitmap> camera_event;
         public string CameraDeviceName = "monitor1";
+        bool loop = true;
         public void LoadCameraConfig(string id)
         {
             string path = @".\StoreConfig\box_" + id + "_Camera.json";
@@ -52,6 +53,7 @@ namespace OnlineStore.DeviceLibrary
             {
                 LogUtil.error(Name + $"监控相机打开失败");
             }
+            loop = true;
             camerathread = new Thread(new ThreadStart(startCamera));
             camerathread.Start();
             GC.KeepAlive(camerathread);
@@ -60,7 +62,7 @@ namespace OnlineStore.DeviceLibrary
         int errortimes = 0;
         void startCamera()
         {
-            while (true)
+            while (loop)
             {
                 try
                 {
@@ -77,15 +79,13 @@ namespace OnlineStore.DeviceLibrary
                     }
                     else if (errortimes == 5)
                     {
-                        camera.Open();
-                        errortimes++;
+                        camera.Close(CameraDeviceName);
+                        Thread.Sleep(1000);
+                        camera.Open(CameraDeviceName);
+                        errortimes = 0;
                         LogUtil.error(Name + $"相机错误次数过多,重新打开,{errortimes}");
-                    }
-                    else if (errortimes == 6)
-                    {
-                        LogUtil.error(Name + $"相机连接失败, 相机线程退出,{errortimes}");
-                        break;
-                    }
+                        Thread.Sleep(5000);
+                    }                    
                     Thread.Sleep(1000 / 7);
                 }
                 catch
@@ -93,9 +93,14 @@ namespace OnlineStore.DeviceLibrary
                     errortimes++;
                 }
             }
-            camera.Close();
+            camera.Close(CameraDeviceName);
             camera.Dispose();
         }
+        public void CameraClose()
+        {
+            LogUtil.info(Name + "线程退出");
+            loop = false;
+        }
         void CameraGrabOne(string filename)
         {
             try