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);
}
}
/// <summary>
/// Performs a GET operation </summary>
/// <param name="phy"> PhyLayer to transmit / receive bytes </param>
/// <param name="obj"> Long-name descriptor of the objected to be accessed </param>
/// <exception cref="PhyLayerException"> </exception>
/// <exception cref="DlmsException"> </exception>
/// <exception cref="LinkLayerException"> </exception>
public void get(PhyLayer phy, LnDescriptor obj)
{
do
{
link.send(phy, cosem.requestGet(obj));
} while (!cosem.parseGetResponse(obj, link.read(phy)));
}
/// <summary>
/// Performs a ACTION operation </summary>
/// <param name="phy"> PhyLayer to transmit / receive bytes </param>
/// <param name="obj"> Long-name descriptor of the objected to be accessed </param>
/// <exception cref="PhyLayerException"> </exception>
/// <exception cref="DlmsException"> </exception>
/// <exception cref="LinkLayerException"> </exception>
public void action(PhyLayer phy, LnDescriptor obj)
{
do
{
link.send(phy, cosem.requestAction(obj));
} while (!cosem.parseActionResponse(obj, link.read(phy)));
}
public byte[] getValue(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor desc = new LnDescriptor(CosemClasses.REGISTER.id, obis, attValue);
dlms.get(phy, desc);
return(desc.getResponseData());
}
public int getIntegerValue(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor desc = new LnDescriptor(CosemClasses.REGISTER.id, obis, attValue);
dlms.get(phy, desc);
return(DlmsParser.getInteger(desc.getResponseData()));
}
public string getStringValue(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor desc = new LnDescriptor(CosemClasses.DATA.id, obis, attValue);
dlms.get(phy, desc);
return(DlmsParser.getString(desc.getResponseData()));
}
public int getImageBlockSize(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor att = createDesc(attBlockSize);
dlms.get(phy, att);
return(DlmsParser.getInteger(att.getResponseData()));
}
public bool isTransferEnabled(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor att = createDesc(attTransferEnabled);
dlms.get(phy, att);
return(DlmsParser.getBoolean(att.getResponseData()));
}
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);
}
/// <summary>
/// Connects to the server </summary>
/// <param name="phy"> PhyLayer to transmit / receive bytes </param>
/// <exception cref="PhyLayerException"> </exception>
/// <exception cref="DlmsException"> </exception>
/// <exception cref="LinkLayerException"> </exception>
public void connect(PhyLayer phy)
{
cosem.reset();
link.connect(phy);
do
{
link.send(phy, cosem.connectionRequest());
} while (!cosem.parseConnectionResponse(link.read(phy)));
}
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();
}
}
///
/// <param name="phy"> PhyLayer to transmit / receive bytes </param>
/// <exception cref="PhyLayerException"> </exception>
/// <exception cref="DlmsException"> </exception>
/// <exception cref="LinkLayerException"> </exception>
public void disconnect(PhyLayer phy)
{
link.disconnect(phy);
}
public void reset(DlmsClient dlms, PhyLayer phy)
{
LnDescriptor desc = new LnDescriptor(CosemClasses.REGISTER.id, obis, mtdReset);
dlms.action(phy, desc);
}
public void checkCompleteness(DlmsClient dlms, PhyLayer phy, ImageInformation info)
{
//TODO
}
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 }));
}