protected override void StatusChangeMonitor()
{
uint state = 0;
while (_status_change_running)
{
uint rc;
try {
rc = ParentReaderList.GetStatusChange(ReaderSlot, ref state, 250);
}
catch (ThreadInterruptedException) {
break;
}
if (!_status_change_running)
{
break;
}
if (rc == SCARD.E_TIMEOUT)
{
continue;
}
if (rc != SCARD.S_SUCCESS)
{
_last_error = rc;
if (_status_change_callback != null)
{
_status_change_callback(0, null);
}
break;
}
if ((state & SCARD.STATE_CHANGED) != 0)
{
state = state & ~SCARD.STATE_CHANGED;
if (_status_change_callback != null)
{
CardBuffer card_atr = null;
if ((state & SCARD.STATE_PRESENT) != 0)
{
card_atr = new CardBuffer(ParentReaderList.GetAtr(ReaderSlot));
}
_status_change_callback(state, card_atr);
}
}
}
}
protected override void UpdateState()
{
_reader_state = ReaderDevice.State(Slot);
Logger.Debug("UpdateState:" + BinConvert.ToHex(_reader_state));
if ((_reader_state & SCARD.STATE_PRESENT) != 0)
{
_card_atr = new CardBuffer(ReaderDevice.GetAtr(Slot));
}
else
{
_card_atr = null;
}
}