/// <summary>
/// Parses the APDU of a ACTION response </summary>
/// <param name="att"> LnDescriptor describing the object accessed </param>
/// <returns> true if the parse if finished, false if more apdu's are necessary (data block transfer) </returns>
/// <exception cref="DlmsException"> </exception>
public bool parseActionResponse(LnDescriptor att, byte[] data)
{
data = unpackFrame(Constants.xDlmsApdu.NoCiphering.ACTION_RESPONSE, Constants.xDlmsApdu.GlobalCiphering.ACTION_RESPONSE, data);
if (data.Length > 6)
{
att.setResponseData(helper.extensions.copyOfRange(data, 5, data.Length));
}
return(true);
}
/// <summary>
/// Parses the APDU of a GET response </summary>
/// <param name="att"> LnDescriptor describing the object accessed </param>
/// <returns> true if the parse if finished, false if more apdu's are necessary (data block transfer) </returns>
/// <exception cref="DlmsException"> </exception>
public bool parseGetResponse(LnDescriptor att, byte[] data)
{
try
{
data = unpackFrame(Constants.xDlmsApdu.NoCiphering.GET_RESPONSE, Constants.xDlmsApdu.GlobalCiphering.GET_RESPONSE, data);
if (data.Length < 4)
{
throw new DlmsException(DlmsException.DlmsExceptionReason.RECEIVED_INVALID_GET_RESPONSE);
}
if (data[0] == Constants.GetResponse.NORMAL)
{
verifyDataAccessResult(data[2]);
connection.datablock.lastBlock = true;
data = helper.extensions.copyOfRange(data, 3, data.Length);
}
else if (data[0] == Constants.GetResponse.DATA_BLOCK)
{
if (data.Length < 10 || data[7] != 0)
{ //TODO only supports raw-data for now
throw new DlmsException(DlmsException.DlmsExceptionReason.RECEIVED_INVALID_GET_RESPONSE);
}
connection.datablock.lastBlock = data[2] != 0;
//connection.datablock.blockNum = ByteBuffer.allocate(4).put(data,3,4).getInt(0);
connection.datablock.blockNum = BitConverter.ToInt32(new byte[] { data[6], data[5], data[4], data[3] }, 0);
data = getPayload(data, 8);
}
else
{
throw new DlmsException(DlmsException.DlmsExceptionReason.RECEIVED_INVALID_GET_RESPONSE);
}
//Array.Reverse(data);
connection.datablock.data.Write(data, 0, data.Length);
if (connection.datablock.lastBlock)
{
att.setResponseData(connection.datablock.data.ToArray());
connection.datablock.reset();
return(true);
}
return(false);
}
catch (IOException)
{
throw new DlmsException(DlmsException.DlmsExceptionReason.INTERNAL_ERROR);
}
}
