public void Connect()
{
// act
var connectResult = _reader.Connect(GetCardreaderName());
Assert.That(connectResult.IsSuccessful, Is.True);
}
private void Watch()
{
while (_started)
{
var statuses = new List <CardreaderStatus>(_statuses);
if (statuses.All(x => x.Name != PnpNotification))
{
statuses.Add(new CardreaderPnpStatus(_cardreadersNumber));
}
var statusesParam = statuses.ToArray();
var operationResult = _cardreader.WaitForChanges(ref statusesParam);
if (!operationResult.IsSuccessful)
{
// when we call thread.abort the WaitForChanges returns Failed
// so check for that
if (_started)
{
Logger.TraceEvent(TraceEventType.Verbose, 0, "WaitForChanges operation result is " + operationResult.StatusName);
Logger.Flush();
throw new SmartCardException(operationResult);
}
}
Log(statusesParam);
foreach (var cardreaderStatus in statusesParam)
{
if (!cardreaderStatus.IsChanged)
{
continue;
}
var newStatuses = cardreaderStatus.Statuses;
if (newStatuses.Contains(CardreaderStatus.StatusType.Changed))
{
// first call after a card was putted on a cardreader will contain two statuses:
// Changed
// CardConnected
// and right after that there will be a second call with statuses:
// Changed
// CardConnected
// CardInUse
// so I filter out the second call
// CardUnresponsive status means that card was removed too fast
if (newStatuses.Contains(CardreaderStatus.StatusType.CardConnected) &&
!DidCardreaderHaveConnectedCard(cardreaderStatus.Name) &&
!newStatuses.Contains(CardreaderStatus.StatusType.CardUnresponsive))
{
var connectResult = _cardreader.Connect(cardreaderStatus.Name);
if (connectResult.IsSuccessful)
{
var connectedLowlevelCard = connectResult.ConnectedCard;
var result = _cardreader.GetCardId(connectedLowlevelCard);
if (result.IsCompletelySuccessful)
{
if (!DidCardreaderHaveConnectedCard(cardreaderStatus.Name))
{
connectedLowlevelCard.IdBytes = result.Bytes;
RememberCardreaderHadCard(cardreaderStatus.Name, connectedLowlevelCard);
RaiseCardConnectedEvent(connectedLowlevelCard);
}
}
else
{
if (IsNoCardreaderResult(connectResult))
{
_cardreadersNumber--;
RaiseCardreaderDisconnectedEvent(cardreaderStatus);
RemoveCardreaderFromList(cardreaderStatus.Name);
}
else
{
// if card was detached before than id was received
// reset updated status
cardreaderStatus.NewStatusFlags = cardreaderStatus.CurrentStatusFlags;
}
}
}
else if (IsNoCardreaderResult(connectResult))
{
_cardreadersNumber--;
RaiseCardreaderDisconnectedEvent(cardreaderStatus);
RemoveCardreaderFromList(cardreaderStatus.Name);
}
else if (connectResult.StatusCode == WinscardWrapper.SCARD_E_NO_SMARTCARD)
{
// card was detached too fast
// don't react to this
}
else
{
throw new SmartCardException(connectResult);
}
}
if (newStatuses.Contains(CardreaderStatus.StatusType.CardDisconnected) &&
!newStatuses.Contains(CardreaderStatus.StatusType.CardUnresponsive) &&
cardreaderStatus.CurrentStatusFlags != 0)
{
// don't want to raise disconnected event for unresponsive card
// because it means that card wasn't connected properly
// cardreaderStatus.CurrentStatusFlags != 0
// means that this is not a new cardreader status and it has some previous status
// cause otherways it doesn't make sense
if (DidCardreaderHaveConnectedCard(cardreaderStatus.Name))
{
var currentCard = LastConnectedCard(cardreaderStatus.Name);
if (currentCard != null)
{
_cardreader.DisconnectCard(currentCard);
}
// reset previously connected card and raise the card connected event
ForgotAboutCardreaderHadCard(cardreaderStatus.Name);
RaiseCardDisconnectedEvent();
}
}
if (newStatuses.Contains(CardreaderStatus.StatusType.CardreaderDisconnected))
{
_cardreadersNumber--;
RaiseCardreaderDisconnectedEvent(cardreaderStatus);
RemoveCardreaderFromList(cardreaderStatus.Name);
}
if (cardreaderStatus.Name == PnpNotification)
{
DetectAvailableCardreaders();
}
cardreaderStatus.Swap();
}
}
}
}
