public int getImageBlockSize(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor att = createDesc(attBlockSize);
dlms.get(phy, att);
return(DlmsParser.getInteger(att.getResponseData()));
}
public void initiateImageTransfer(DlmsClient dlms, PhyLayer phy, ImageInformation imageInfo)
{
try
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
stream.WriteByte(DlmsType.STRUCTURE.tag);
stream.WriteByte(2); // size
stream.WriteByte(DlmsType.OCTET_STRING.tag);
stream.WriteByte((byte)(imageInfo.getIdentifier().Length));
//stream.WriteByte(imageInfo.getIdentifier());
byte[] aux = imageInfo.getIdentifier();
//Array.Reverse(aux);
stream.Write(aux, 0, aux.Length);
stream.WriteByte(DlmsType.UINT32.tag);
//stream.WriteByte(ByteBuffer.allocate(4).putInt(imageInfo.getImage().Length).array());
stream.Write(new byte[] { (byte)(imageInfo.getImage().Length >> 24), (byte)(imageInfo.getImage().Length >> 16), (byte)(imageInfo.getImage().Length >> 8), (byte)(imageInfo.getImage().Length) }, 0, imageInfo.getImage().Length);
dlms.action(phy, createDesc(mtdTransferInitiate, stream.ToArray()));
}
catch (IOException)
{
throw new ImageTransferException(ImageTransferExceptionReason.INTERNAL_ERROR);
}
}
public void execute(DlmsClient dlms, PhyLayer phy, ImageInformation imageInfo)
{
/// Precondition: image transfer must be enabled
if (!isTransferEnabled(dlms, phy))
{
throw new ImageTransferException(ImageTransferExceptionReason.TRANSFER_DISABLED);
}
/// Step 1: if image block size is unknown, get block size
if (imageInfo.getBlockSize() == 0)
{
imageInfo.setBlockSize(getImageBlockSize(dlms, phy));
}
/// Step 2: Initiate image transfer
initiateImageTransfer(dlms, phy, imageInfo);
/// Step 3: Transfer image blocks
transferBlocks(dlms, phy, imageInfo);
/// Step 4: Check completeness of the image
checkCompleteness(dlms, phy, imageInfo);
/// Step 5: Verifies the image
verifyImage(dlms, phy);
/// Step 6: Check information of image to activate
if (!checkImageInformation(dlms, phy, imageInfo))
{
throw new ImageTransferException(ImageTransferExceptionReason.INVALID_IMAGE_TO_ACTIVATE);
}
/// Step 7: Activates image
activateImage(dlms, phy);
}
public bool isTransferEnabled(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor att = createDesc(attTransferEnabled);
dlms.get(phy, att);
return(DlmsParser.getBoolean(att.getResponseData()));
}
public void transferBlocks(DlmsClient dlms, PhyLayer phy, ImageInformation imageInfo)
{
int offset = 0;
int nblock = 1;
LnDescriptor att = createDesc(mtdImageBlockTransfer);
while (offset < imageInfo.getImage().Length)
{
att.setRequestData(getTransferBlockData(nblock, imageInfo));
dlms.action(phy, att);
nblock++;
offset += imageInfo.getBlockSize();
}
}
public void activateImage(DlmsClient dlms, PhyLayer phy)
{
dlms.action(phy, createDesc(mtdImageActivate, new byte[] { 0x0F, 0x00 }));
}
public bool checkImageInformation(DlmsClient dlms, PhyLayer phy, ImageInformation info)
{
return(false);
}
public void verifyImage(DlmsClient dlms, PhyLayer phy)
{
dlms.action(phy, createDesc(mtdImageVerify, new byte[] { 0x0F, 0x00 }));
}
public void checkCompleteness(DlmsClient dlms, PhyLayer phy, ImageInformation info)
{
//TODO
}
