defining a wrapper connection handler with the objective of being generic

Author: andreagilardoni

src/GenericConnectionHandler.cpp

@@ -0,0 +1,93 @@
+/*
+   This file is part of ArduinoIoTCloud.
+   Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
+   This software is released under the GNU General Public License version 3,
+   which covers the main part of arduino-cli.
+   The terms of this license can be found at:
+   https://www.gnu.org/licenses/gpl-3.0.en.html
+   You can be released from the requirements of the above licenses by purchasing
+   a commercial license. Buying such a license is mandatory if you want to modify or
+   otherwise use the software for commercial activities involving the Arduino
+   software without disclosing the source code of your own applications. To purchase
+   a commercial license, send an email to [email protected].
+*/
+
+/******************************************************************************
+   INCLUDE
+ ******************************************************************************/
+
+#include "Arduino_ConnectionHandler.h"
+#include "GenericConnectionHandler.h"
+
+void GenericConnectionHandler::updateSetting(const models::NetworkSetting& s) {
+
+    switch(s.type) {
+        #if defined(BOARD_HAS_WIFI)
+        case WIFI:
+            _ch = new WiFiConnectionHandler();
+            break;
+        #endif
+
+        #if defined(BOARD_HAS_ETHERNET)
+        case ETHERNET:
+            _ch = new EthernetConnectionHandler();
+            break;
+        #endif
+
+        #if defined(BOARD_HAS_NB)
+        case NB:
+            _ch = new NBConnectionHandler();
+            break;
+        #endif
+
+        #if defined(BOARD_HAS_GSM)
+        case GSM:
+            _ch = new GSMConnectionHandler();
+            break;
+        #endif
+
+        #if defined(BOARD_HAS_CATM1_NBIOT)
+        case CATM1:
+            _ch = new CatM1ConnectionHandler();
+            break;
+        #endif
+
+        #if defined(BOARD_HAS_CELLULAR)
+        case CELL:
+            _ch = new CellularConnectionHandler();
+            break;
+        #endif
+
+        #if defined(BOARD_HAS_NOTECARD) // FIXME understand how to adapt it to the settings structure
+        case NOTECARD:
+            _ch = new NotecardConnectionHandler();
+            break;
+        #endif
+
+        default:
+            Debug.print(DBG_ERROR, "Network adapter not supported by this platform: %d", s.type);
+            return;
+    }
+    _ch->updateSetting(s);
+}
+
+NetworkConnectionState GenericConnectionHandler::update_handleInit() {
+    return _ch != nullptr ? _ch->update_handleInit() : INIT;
+}
+
+NetworkConnectionState GenericConnectionHandler::update_handleDisconnecting() {
+    return _ch != nullptr ? _ch->update_handleDisconnecting() : INIT;
+}
+
+
+NetworkConnectionState GenericConnectionHandler::update_handleConnected() {
+    return _ch != nullptr ? _ch->update_handleConnected() : INIT;
+}
+
+NetworkConnectionState GenericConnectionHandler::update_handleDisconnecting() {
+    return _ch != nullptr ? _ch->update_handleDisconnecting() : INIT;
+}
+
+NetworkConnectionState GenericConnectionHandler::update_handleDisconnected() {
+    return _ch != nullptr ? _ch->update_handleDisconnected() : INIT;
+}

src/GenericConnectionHandler.h

@@ -0,0 +1,60 @@
+/*
+   This file is part of ArduinoIoTCloud.
+
+   Copyright 2019 ARDUINO SA (http://www.arduino.cc/)
+
+   This software is released under the GNU General Public License version 3,
+   which covers the main part of arduino-cli.
+   The terms of this license can be found at:
+   https://www.gnu.org/licenses/gpl-3.0.en.html
+
+   You can be released from the requirements of the above licenses by purchasing
+   a commercial license. Buying such a license is mandatory if you want to modify or
+   otherwise use the software for commercial activities involving the Arduino
+   software without disclosing the source code of your own applications. To purchase
+   a commercial license, send an email to [email protected].
+*/
+
+#ifndef ARDUINO_WIFI_CONNECTION_HANDLER_H_
+#define ARDUINO_WIFI_CONNECTION_HANDLER_H_
+
+/******************************************************************************
+   INCLUDE
+ ******************************************************************************/
+
+#include "ConnectionHandlerInterface.h"
+
+/******************************************************************************
+   CLASS DECLARATION
+ ******************************************************************************/
+
+/** GenericConnectionHandler class
+ * This class aims to wrap a connectionHandler and provide a generic way to
+ * instantiate a specific connectionHandler type
+ */
+class GenericConnectionHandler : public ConnectionHandler
+{
+  public:
+
+    GenericConnectionHandler(): _ch(nullptr) {}
+
+    virtual unsigned long getTime() override;
+    virtual Client & getClient() override;
+    virtual UDP & getUDP() override;
+
+    virtual void updateSetting(const models::NetworkSetting& s) override;
+
+  protected:
+
+    virtual NetworkConnectionState update_handleInit         () override;
+    virtual NetworkConnectionState update_handleConnecting   () override;
+    virtual NetworkConnectionState update_handleConnected    () override;
+    virtual NetworkConnectionState update_handleDisconnecting() override;
+    virtual NetworkConnectionState update_handleDisconnected () override;
+
+  private:
+
+    ConnectionHandler* _ch;
+};
+
+#endif /* ARDUINO_WIFI_CONNECTION_HANDLER_H_ */