CancellationHandler* setCancellationHandler (CancellationHandler* handler)
{
CancellationHandlerWrapper &wrapper = cancellation_handler.getLocalCopy();
CancellationHandler* prev = wrapper.handler;
wrapper.handler = handler;
return prev;
}
std::unique_ptr<CancellationHandler> resetCancellationHandler (CancellationHandler* handler)
{
CancellationHandlerWrapper &wrapper = cancellation_handler.getLocalCopy();
std::unique_ptr<CancellationHandler> prev (wrapper.handler.release());
wrapper.handler.reset(handler);
return prev;
}
IndigoInchi &indigoInchiGetInstance ()
{
return indigo_inchi_self.getLocalCopy();
}
CancellationHandler* getCancellationHandler ()
{
CancellationHandlerWrapper &wrapper = cancellation_handler.getLocalCopy();
return wrapper.handler;
}
namespace indigo
{
//
// TimeoutCancellationHandler
//
TimeoutCancellationHandler::TimeoutCancellationHandler (int mseconds)
{
reset(mseconds);
}
TimeoutCancellationHandler::~TimeoutCancellationHandler ()
{
}
bool TimeoutCancellationHandler::isCancelled ()
{
qword dif_time = nanoClock() - _currentTime;
if (_mseconds > 0 && nanoHowManySeconds(dif_time) * 1000 > _mseconds)
{
ArrayOutput mes_out(_message);
mes_out.printf("The operation timed out: %d ms", _mseconds);
mes_out.writeChar(0);
return true;
}
return false;
}
const char* TimeoutCancellationHandler::cancelledRequestMessage ()
{
return _message.ptr();
}
void TimeoutCancellationHandler::reset (int mseconds)
{
_mseconds = mseconds;
_currentTime = nanoClock();
}
//
// Global thread-local cancellation handler
//
class CancellationHandlerWrapper
{
public:
CancellationHandlerWrapper () : handler(0) {}
CancellationHandler* handler;
};
static _SessionLocalContainer<CancellationHandlerWrapper> cancellation_handler;
CancellationHandler* getCancellationHandler ()
{
CancellationHandlerWrapper &wrapper = cancellation_handler.getLocalCopy();
return wrapper.handler;
}
CancellationHandler* setCancellationHandler (CancellationHandler* handler)
{
CancellationHandlerWrapper &wrapper = cancellation_handler.getLocalCopy();
CancellationHandler* prev = wrapper.handler;
wrapper.handler = handler;
return prev;
}
AutoCancellationHandler::AutoCancellationHandler(CancellationHandler& hand) {
_prev = setCancellationHandler(&hand);
}
AutoCancellationHandler::~AutoCancellationHandler() {
setCancellationHandler(_prev);
}
}
