Re: [RFC][LIBNFNETLINK 3/3] API changes

[Pablo Neira Ayuso <pablo@eurodev.net>]

Amin Azez wrote:
> AFAIR, done is not required unless we are trying to copy someone else
> api type.
> 
> 3 types of return values were permitted, <0, 0 and >0, by the function
> which now has "done" added. 0 meant continue, either <0 or >0 meant
> "stop now" and the other meant "stop after all messages in the currently
> read packet", it's hard to see how this doesn't provide what done
> provided; even with 2 values.

Two kind of messages that mean "stop now" can make nfnl_handle_packet
return 0.

a) ACK messages: When the client request some information with the
NLM_F_ACK flag set.
b) DONE messages: At dumping, the last message received has the
NLM_F_MULTI flag set (NLMSG_DONE) to notify that the dumping has finished.

-- 
Pablo