when is an handler called?

Hi,

I'm trying to understand a thing about  the "new" API. What does it
means that

A handler is netsnmp_create_handler() created and then
netsnmp_register_handler() registered with the main agent at a given OID
in the OID tree and gets called any time a request is made that it
should respond to.

Does the handler receive all the requests asking for an OID under the
root OID at which the handler is registered? Or does it receive only
requests referring to that OID? Or it depends on the values in the 
struct netsnmp_handler_registration_s ? (I'm thinking to the
range_subid/range_ubound fields...)

Thanks a lot

-- 
Leo Cacciari
Aliae nationes servitutem pati possunt. Populi romani est propria
libertas


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