ferencd@0: 
ferencd@0: 
ferencd@0: /** Time out handler.
ferencd@0:   * Used to stop the current operation after too much time, or if the user
ferencd@0:   * requested cancellation.
ferencd@0:   */
ferencd@0: class timeoutHandler : public vmime::net::timeoutHandler
ferencd@0: {
ferencd@0: public:
ferencd@0: 
ferencd@0: 	bool isTimeOut()
ferencd@0: 	{
ferencd@0: 		// This is a cancellation point: return true if you want to cancel
ferencd@0: 		// the current operation. If you return true, handleTimeOut() will
ferencd@0: 		// be called just after this, and before actually cancelling the
ferencd@0: 		// operation
ferencd@0: 		return false;
ferencd@0: 	}
ferencd@0: 
ferencd@0: 	void resetTimeOut()
ferencd@0: 	{
ferencd@0: 		// Called at the beginning of an operation (eg. connecting,
ferencd@0: 		// a read() or a write() on a socket...)
ferencd@0: 	}
ferencd@0: 
ferencd@0: 	bool handleTimeOut()
ferencd@0: 	{
ferencd@0: 		// If isTimeOut() returned true, this function will be called. This
ferencd@0: 		// allows you to interact with the user, ie. display a prompt to
ferencd@0: 		// know whether he wants to cancel the operation.
ferencd@0: 
ferencd@0: 		// If you return true here, the operation will be actually cancelled.
ferencd@0: 		// If not, the time out is reset and the operation continues.
ferencd@0: 		return true;
ferencd@0: 	}
ferencd@0: };
ferencd@0: 
ferencd@0: 
ferencd@0: class timeoutHandlerFactory : public vmime::net::timeoutHandlerFactory
ferencd@0: {
ferencd@0: public:
ferencd@0: 
ferencd@0: 	vmime::shared_ptr <vmime::net::timeoutHandler> create()
ferencd@0: 	{
ferencd@0: 		return vmime::make_shared <timeoutHandler>();
ferencd@0: 	}
ferencd@0: };
ferencd@0: