Do we have any structure or API in cdb using which i can know leaf names

[cohult]

See for example the print_modifications examples here:

Can I use cdb_get_modifications() to extend the 1-2-3 intro example to display subscriber changes?

It is quite easy to just call the cdb_get_modifications() function after reception of a subscription notification to retrieve all the changes that caused the subscription notification. To implement such a solution, all that has to be done to the intro/1-2-3-start-query-model example is to add the get modifications call and some printout helpers. The result would be something like this: Quick demo: Terminal 1: $ pwd /Users/demo/tailf/confd-6.0/examples.confd/intro/1-2-3-start-query-model $ ma…

and here:

How to convert a ConfD tag value array to XML?

It is a small task to convert a tag value array to XML. Below is a quick implementation and demo where we extend the existing ConfD intro/1-2-3-start-query-model example by first getting the subscription configuration updates using a confd_get_modifications() call and then print the tag value array result in in pretty XML format. Example code: Let’s first do a diff to see what we added to the 1-2-3 intro example: $ pwd /Users/conny/tailf/confd-5.4.2/examples.confd/intro/1-2-3-start-query-mode…