private void RunReadThread()
{
byte[] cardData = new byte[100];
byte length;
byte error;
while (_keepAlive)
{
WBM5000.WBM5000_SensorState(handle, sensorBytes, out error);
if (sensorBytes.Count(o => o == 0x31) >= 1 && !_hasCard)
{
_hasCard = true;
WBM5000.WBM5000_MagCardReadData(handle, 0x30, 0x32, out length, cardData);
string cardString = Encoding.ASCII.GetString(cardData, 0, length);
cardString = cardString.Replace("O", "").Replace(" ? Y", "");
cardString = Regex.Replace(cardString, @"[^\u0020-\u007E]", string.Empty);
// Console.WriteLine();
if (CardInserted != null)
{
_currentCard = new MagneticCard
{
Track2 = cardString
};
CardInserted(this, new MagneticCardEventArgs(MagneticCardEvent.Insert, _currentCard));
}
// WBM5000.WBM5000_SensorState(handle, sensorBytes, out error);
PerformForwardEject();
}
// we have no sensors active and we believe that we had a card send our card removed
else if (sensorBytes.Count(o => o == 0x31) == 0 && _hasCard)
{
if (_hasCard)
{
if (CardRemoved != null)
{
CardRemoved(this, new MagneticCardEventArgs(MagneticCardEvent.Remove, _currentCard));
}
_currentCard = null;
_hasCard = false;
}
}
Thread.Sleep(500);
}
}
/// <summary>
/// This will process a message and figure out what to do with it once the read thread has finished capturing it
/// </summary>
/// <param name="messageBytes"></param>
private void ProcessMessage(byte[] messageBytes)
{
Message m = new Message(messageBytes);
if (m.Length == 1)
{
// reporting status or something like that
if (EnableDebug)
{
Console.WriteLine("status reported");
}
}
else if (m.Length == 4)
{
// this is likely the results of a request card status operation
InsertionStatusMessage insertionStatus = new InsertionStatusMessage(messageBytes);
if (_insertedCard != null)
{
// we have a card
if (!insertionStatus.Inserted)
{
// we didn't see a remove but there is no card so clear it
OnCardRemoved();
}
}
m = insertionStatus;
}
else
{
CardReadMessage cardRead = new CardReadMessage(messageBytes);
m = cardRead;
if (cardRead.ErrorCode == ReadErrorCode.NormalExecution)
{
if (cardRead.Tracks.Count == 2)
{
// likely a good insert read
_insertedCard = new MagneticCard();
var track1 = cardRead.Tracks.FirstOrDefault(o => o.Track == MagneticTrack.Track1);
var track2 = cardRead.Tracks.FirstOrDefault(o => o.Track == MagneticTrack.Track2);
var track3 = cardRead.Tracks.FirstOrDefault(o => o.Track == MagneticTrack.Track3);
if (track1 != null)
{
_insertedCard.Track1 = track1.Data;
_insertedCard.Track1Status = ConvertToGenericStatus(track1.ErrorCode);
}
if (track2 != null)
{
_insertedCard.Track2 = track2.Data;
_insertedCard.Track2Status = ConvertToGenericStatus(track2.ErrorCode);
}
if (track3 != null)
{
_insertedCard.Track3 = track3.Data;
_insertedCard.Track3Status = ConvertToGenericStatus(track3.ErrorCode);
}
OnCardInserted();
}
else if (cardRead.Tracks.Count == 1 &&
cardRead.Tracks.Any(o =>
o.Track == MagneticTrack.Track1 &&
o.ErrorCode == ReadErrorCode.BlankError))
{
// this is a card removed send the request of status to confirm
_insertedCard = null;
// send out message
OnCardRemoved();
}
}
}
if (EnableDebug)
{
Console.WriteLine(m);
}
}
/// <summary>
/// Default ctor
/// </summary>
/// <param name="cardEvent">type of event</param>
/// <param name="card">the card for the event</param>
public MagneticCardEventArgs(MagneticCardEvent cardEvent, MagneticCard card)
{
_magneticCardEvent = cardEvent;
_magneticCard = card;
}
/// <summary>
/// This will process a message and figure out what to do with it once the read thread has finished capturing it
/// </summary>
/// <param name="messageBytes"></param>
private void ProcessMessage(byte[] messageBytes)
{
if (messageBytes[0] == NORMAL_READ_HEADER)
{
readData = Encoding.ASCII.GetString(messageBytes);
if (EnableDebug)
{
Console.WriteLine(readData);
}
return;
}
Message m = new Message(messageBytes);
if (m.Length == 1)
{
// reporting status or something like that
if (EnableDebug)
{
Console.WriteLine("status reported");
}
}
else if (m.Length == 3)
{
// this is likely the results of a request card status operation
InsertionStatusMessage1370 insertionStatus = new InsertionStatusMessage1370(messageBytes);
if (_insertedCard != null)
{
// we have a card
if (!insertionStatus.Inserted)
{
// we didn't see a remove but there is no card so clear it
OnCardRemoved();
_insertedCard = null;
}
}
else
{
if (insertionStatus.Inserted)
{
_insertedCard = new MagneticCard
{
OverallStatus =
string.IsNullOrWhiteSpace(readData)
? MagneticCardStatus.ReadError
: MagneticCardStatus.GoodRead,
Track2 = readData,
Track2Status =
string.IsNullOrWhiteSpace(readData)
? MagneticCardStatus.ReadError
: MagneticCardStatus.GoodRead
};
OnCardInserted();
}
}
m = insertionStatus;
if (EnableDebug)
{
Console.WriteLine(m);
}
}
}