vmime/examples/example6_timeoutHandler.hpp
2014-03-16 22:52:40 +01:00

49 lines
1.1 KiB
C++

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