public override ushort Read(byte[] buf, ref ushort Index)
{
Size = buf[++Index];
Size++;
PDU = (PDU_TYPE)buf[++Index];
if (Size > 3)
{
Destination = (ushort)((buf[++Index] << 8) + buf[++Index]);
Source = (ushort)((buf[++Index] << 8) + buf[++Index]);
Class = buf[++Index];
}
else
{
Class = buf[++Index];
}
return(Index);
}
public override ushort Read(byte[] buf, ref ushort Index)
{
_data[0] = buf[Index + 0];
_data[1] = buf[Index + 1];
Size = (ushort)((buf[Index + 2] << 8) + buf[Index + 3]);
byte count = buf[Index + 4];
PDU = (PDU_TYPE)buf[Index + 5];
#if DEBUG
Debug.rr2("Trame size =" + Size.ToString() + " and count = " + count + " PDU = " + PDU.ToString());
#endif
Index += 3;
if (count > 6)
{
_ISO = new Request_COTP();
}
else
{
_ISO = new COTP();
}
_ISO.Read(buf, ref Index);
switch (PDU)
{
case PDU_TYPE.CONNECT_CONFIRMATION:
_Data = new ReceiveData();
break;
case PDU_TYPE.DATA_INDICATION:
if (_Data == null)
{
_Data = new ReceiveData();
}
break;
case PDU_TYPE.DISCONNECT_REQUEST:
_Data = null;
break;
default:
_Data = null;
break;
}
int Calcul = Size - _ISO.Size - OwnSize - 1 - 3;
if (_Data != null)
{
//_Data.Size = (ushort)(Size - _ISO.Size - OwnSize - 1);
_Data.Size = (ushort)Calcul;
_Data.Read(buf, ref Index);
}
_End = new byte[3];
_End[0] = buf[Index++];
_End[1] = buf[Index++];
_End[2] = buf[Index++];
return(Index);
}
