public void DetectPacket(byte dataByte)
{
// Recognize header fields and change status
if (_status == StreamsStatus.UNSYNC && dataByte == 0x02)
{
_status = StreamsStatus.FIRST_HEADER_RECEIVED;
_completePacket = new List<byte>();
_completePacket.Add(dataByte);
}
else if (_status == StreamsStatus.FIRST_HEADER_RECEIVED && dataByte == 0x10 || _status == StreamsStatus.RECEIVING_DATA && dataByte == 0x10)
{
_status = StreamsStatus.FIRST_END_RECEIVED;
_completePacket.Add(dataByte);
}
else if (_status == StreamsStatus.FIRST_END_RECEIVED && dataByte == 0x03)
{
_status = StreamsStatus.SECOND_END_RECEIVED;
_completePacket.Add(dataByte);
List<Byte> _temp = new List<Byte>(_completePacket.Count - 3);
_temp.AddRange(_completePacket.GetRange(1, _completePacket.Count - 3));
CompletePacketReceivedArgs args = new CompletePacketReceivedArgs(_temp);
if (CompletePacketReceived != null)
CompletePacketReceived(this, args);
_status = StreamsStatus.HOLE_PACKET_RECEIVED;
resetStream();
}
else if (_status == StreamsStatus.FIRST_END_RECEIVED && dataByte == 0x10)
{
_status = StreamsStatus.RECEIVING_DATA;
}
else
{
switch (_status)
{
case StreamsStatus.FIRST_HEADER_RECEIVED:
_completePacket.Add(dataByte);
_status = StreamsStatus.RECEIVING_DATA;
break;
case StreamsStatus.RECEIVING_DATA:
_completePacket.Add(dataByte);
break;
default:
resetStream();
break;
}
}
}
public PacketHandler()
{
_status = StreamsStatus.UNSYNC;
}
/// <summary>
/// Method that resets the stream status
/// </summary>
private void resetStream()
{
if (_status != StreamsStatus.HOLE_PACKET_RECEIVED)
{
if (ByteOutOfSync != null)
ByteOutOfSync(this, new EventArgs());
}
_status = StreamsStatus.UNSYNC;
_completePacket = null;
}