internal static PacketPrefix FromBytes(byte[] array, int start)
{
if (array.Length < start + Length)
return null;
for (int cI = 0; cI < _startSeq.Length; cI++)
if (array[start + cI] != _startSeq[cI])
return null;
int cp = start + _startSeq.Length;
PacketPrefix prefix = new PacketPrefix();
prefix.ServiceNumber = BitConverter.ToInt16(array, cp);
cp = cp + 2;
prefix.DataLength = BitConverter.ToInt64(array, cp);
cp = cp + 8;
byte[] tIdBytes = new byte[16];
Buffer.BlockCopy(array, cp, tIdBytes, 0, 16);
prefix.TransferID = new Guid(tIdBytes);
cp = cp + 16;
prefix.TransferNumber = BitConverter.ToInt16(array, cp);
return prefix;
}
internal void SetReciving(PacketPrefix packetPrefix)
{
Prefix = packetPrefix;
State = States.Reciving;
}
internal Tx(object dataFrame = null, Int16 serviceNumber = 0, Guid? transferId = null, Int16 transferNumber = 0)
: base()
{
Prefix = new PacketPrefix() { ServiceNumber = serviceNumber, TransferID = transferId ?? Guid.NewGuid(), TransferNumber = transferNumber };
Suffix = new PacketSuffix();
DataFrame = dataFrame;
}
private void BeginRx(PacketPrefix prefix)
{
if (_cRx != null)
{
_cRx.SetInterrupted();
if (OnRxCompleted != null)
OnRxCompleted(_cRx);
_cRx = null;
}
_rxTimeout.Interval = Base.Options.InterpreterOptions.PacketSegmentReciveTimeOut.TotalMilliseconds;
_cRx = new Packet.Rx(Base);
_cRx.SetReciving(prefix);
if (OnRxBeginn != null)
OnRxBeginn(_cRx);
}
