[localcontroller] Add connection status information to ICentralSystemProxy interface

Author: c-jimenez

src/localcontroller/centralsystem/CentralSystemProxy.cpp

@@ -100,6 +100,12 @@ void CentralSystemProxy::disconnect()
     m_rpc.stop();
 }
 
+/** @brief Indicate if the connection with the central system is active */
+bool CentralSystemProxy::isConnected() const
+{
+    return m_rpc.isConnected();
+}
+
 /** @copydoc bool ICentralSystemProxy::call(const ocpp::messages::BootNotificationReq&,
  *                                          ocpp::messages::BootNotificationConf&,
  *                                          std::string&,

src/localcontroller/centralsystem/CentralSystemProxy.h

@@ -95,6 +95,9 @@ class CentralSystemProxy : public ICentralSystemProxy,
     /** @copydoc void ICentralSystemProxy::disconnect() */
     void disconnect() override;
 
+    /** @brief Indicate if the connection with the central system is active */
+    bool isConnected() const override;
+
     /** @copydoc void ICentralSystemProxy::registerListener(ILocalControllerProxyEventsHandler&) */
     void registerListener(ILocalControllerProxyEventsHandler& listener) override { m_listener = &listener; }
 

src/localcontroller/interface/ICentralSystemProxy.h

@@ -105,6 +105,12 @@ class ICentralSystemProxy
     /** @brief Disconnect from the central system */
     virtual void disconnect() = 0;
 
+    /**
+     * @brief Indicate if the connection with the central system is active
+     * @return true if the connection is active, false otherwise
+     */
+    virtual bool isConnected() const = 0;
+
     /**
      * @brief Register a listener to the proxy events
      * @param listener Listener to the proxy events