Virtual methods and destructors for ConnectionHnadler interface

Author: andreagilardoni

src/ConnectionHandlerInterface.h

@@ -49,6 +49,7 @@ class ConnectionHandler {
 
     ConnectionHandler(bool const keep_alive=true, NetworkAdapter interface=NetworkAdapter::NONE);
 
+    virtual ~ConnectionHandler() {}
 
     NetworkConnectionState check();
 
@@ -73,10 +74,10 @@ class ConnectionHandler {
       return _interface;
     }
 
-    void connect();
-    void disconnect();
+    virtual void connect();
+    virtual void disconnect();
 
-    void addCallback(NetworkConnectionEvent const event, OnNetworkEventCallback callback);
+    virtual void addCallback(NetworkConnectionEvent const event, OnNetworkEventCallback callback);
     void addConnectCallback(OnNetworkEventCallback callback) __attribute__((deprecated));
     void addDisconnectCallback(OnNetworkEventCallback callback) __attribute__((deprecated));
     void addErrorCallback(OnNetworkEventCallback callback) __attribute__((deprecated));
@@ -97,6 +98,8 @@ class ConnectionHandler {
       return false;
     }
 
+    virtual void setKeepAlive(bool keep_alive=true) { this->_keep_alive = keep_alive; }
+
   protected:
 
     bool _keep_alive;