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Member "udns-0.4/TODO" (29 Dec 2011, 2231 Bytes) of package /linux/misc/dns/udns-0.4.tar.gz:
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3 The following is mostly an internal, not user-visible stuff.
5 * rearrange an API to make dns_query object owned by application,
6 so that it'll look like this:
7 struct dns_query *q;
8 q = dns_query_alloc(ctx);
9 dns_query_set(q, options, domain_name, flags, ...);
10 dns_query_submit(ctx, q);
11 For more information see NOTES file, section "Planned API changes".
13 * allow NULL callbacks? Or provide separate resolver
14 context list of queries which are done but wich did not
15 have callback, and dns_pick() routine to retrieve results
16 from this query, i.e. allow non-callback usage? The
17 non-callback usage may be handy sometimes (any *good*
18 example?), but it will be difficult to provide type-safe
19 non-callback interface due to various RR-specific types
20 in use.
22 * DNS_OPT_FLAGS should be DNS_OPT_ADDFLAGS and DNS_OPT_SETFLAGS.
23 Currently one can't add a single flag bit but preserve
24 existing bits... at least not without retrieving all current
25 flags before, which isn't that bad anyway.
27 * dns_set_opts() may process flags too (such as aaonly etc)
29 * a way to disable $NSCACHEIP et al processing?
30 (with now separate dns_init() and dns_reset(), it has finer
31 control, but still no way to init from system files but ignore
32 environment variables and the like)
34 * initialize/open the context automatically, and be more
35 liberal about initialization in general?
37 * dns_init(ctx, do_open) - make the parameter opposite, aka
38 dns_init(ctx, skip_open) ?
40 * allow TCP queue?
42 * more accurate error reporting. Currently, udns always returns TEMPFAIL,
43 but don't specify why it happened (ENOMEM, timeout, etc).
45 * check the error value returned by recvfrom() and
46 sendto() and determine which errors to ignore.
48 * maybe merge dns_timeouts() and dns_ioevent(), to have
49 only one entry point for everything? For traditional
50 select-loop-based eventloop it may be easier, but for
51 callback-driven event loops the two should be separate.
52 Provide an option, or a single dns_events() entry point
53 for select-loop approach, or just call dns_ioevent()
54 from within dns_timeouts() (probably after renaming
55 it to be dns_events()) ?
57 * implement /etc/hosts lookup too, ala [c-]ares??
59 * sortlist support?