private static void OnAtomicWriteFileRequest(BacnetClient sender, BacnetAddress adr, byte invoke_id, bool is_stream, BacnetObjectId object_id, int position, uint block_count, byte[][] blocks, int[] counts, BacnetMaxSegments max_segments)
{
lock (m_lockObject)
{
try
{
if (object_id.Type != BacnetObjectTypes.OBJECT_FILE)
{
throw new Exception("File Reading on non file objects ... bah!");
}
else if (object_id.Instance != 0)
{
throw new Exception("Don't know this file");
}
//this is a test file for performance measuring
//don't do anything with the content
//adjust size though
int filesize = m_storage.ReadPropertyValue(object_id, BacnetPropertyIds.PROP_FILE_SIZE);
int new_filesize = position + counts[0];
if (new_filesize > filesize)
{
m_storage.WritePropertyValue(object_id, BacnetPropertyIds.PROP_FILE_SIZE, new_filesize);
}
if (counts[0] == 0)
{
m_storage.WritePropertyValue(object_id, BacnetPropertyIds.PROP_FILE_SIZE, 0); //clear file
}
//send confirm
HandleSegmentationResponse(sender, adr, invoke_id, max_segments, (seg) =>
{
sender.WriteFileResponse(adr, invoke_id, seg, position);
});
}
catch (Exception)
{
sender.ErrorResponse(adr, BacnetConfirmedServices.SERVICE_CONFIRMED_ATOMIC_WRITE_FILE, invoke_id, BacnetErrorClasses.ERROR_CLASS_DEVICE, BacnetErrorCodes.ERROR_CODE_OTHER);
}
}
}