added an overlay to the WebUI and some ConnectionHandling

Software/src/main.cpp

@@ -797,8 +797,9 @@ void SystemShutdown(bool restart)
   // Check if the shutdown delay has elapsed
   if (shutdown_delay < millis())
   {
-    // Store configuration and persistence data to EEPROM
-    StoreConfig_EEPROM();
+    Webserver_Shutdown();
+
+    // Store persistence data to EEPROM
     StorePersistence_EEPROM();
 
     // Perform restart if requested, otherwise enter an indefinite loop

Software/src/webui.cpp

@@ -118,6 +118,26 @@ void Webserver_Process()
   }
 }
 
+/**
+ * @brief Shuts down the web server functionality for the ChainLube application.
+ *
+ * This function closes all WebSocket connections and terminates the web server. It is intended
+ * to be called when the application is being shut down or when there is a need to deactivate the
+ * web server.
+ *
+ * @details This function ensures a graceful shutdown of the web server by closing all active
+ *          WebSocket connections and ending the web server instance.
+ *
+ * @note This function should be called before shutting down the application to properly
+ *       deactivate the web server.
+ */
+void Webserver_Shutdown()
+{
+  if (webSocket.count() > 0)
+    webSocket.closeAll();
+  webServer.end();
+}
+
 /**
  * @brief Callback function for handling HTTP 404 (Not Found) errors on the web server.
  *
@@ -757,7 +777,7 @@ void parseWebsocketString(char *data, char *identifierBuffer, size_t identifierB
  * @param searchString The string to search for in the array.
  * @param array The array of strings to search within.
  * @param arraySize The size of the array.
- * 
+ *
  * @return The index of the first occurrence of the string in the array,
  *         or -1 if the string is not found.
  */