Probably about time I had a central header file containing misc stuff.
[sgt/agedu] / TODO
1 TODO list for agedu
2 ===================
3
4 Before it's non-embarrassingly releasable:
5
6 - arrange to be able to identify directories and leave them on one
7 side of the usual age display
8
9 - cross-Unix portability:
10 + use autoconf
11 * configure use of stat64
12 * configure use of /proc/net/tcp
13 * configure use of /dev/random
14 * configure use of Linux syscall magic replacing readdir
15 + later glibcs have fdopendir, hooray! So we can use that
16 too, if it's available and O_NOATIME is too.
17 * what do we do elsewhere about _GNU_SOURCE?
18
19 - man page, --version.
20
21 Future possibilities:
22
23 - IPv6 support in the HTTP server
24 * of course, Linux magic auth can still work in this context; we
25 merely have to be prepared to open one of /proc/net/tcp or
26 /proc/net/tcp6 as appropriate.
27
28 - run-time configuration in the HTTP server
29 * I think this probably works by having a configuration form, or
30 a link pointing to one, somewhere on the report page. If you
31 want to reconfigure anything, you fill in and submit the form;
32 the web server receives HTTP GET with parameters and a
33 referer, adjusts its internal configuration, and returns an
34 HTTP redirect back to the referring page - which it then
35 re-renders in accordance with the change.
36 * All the same options should have their starting states
37 configurable on the command line too.
38
39 - curses-ish equivalent of the web output
40 + try using xterm 256-colour mode. Can (n)curses handle that? If
41 not, try doing it manually.
42 + I think my current best idea is to bypass ncurses and go
43 straight to terminfo: generate lines of attribute-interleaved
44 text and display them, so we only really need the sequences
45 "go here and display stuff", "scroll up", "scroll down".
46 + Infrastructure work before doing any of this would be to split
47 html.c into two: one part to prepare an abstract data
48 structure describing an HTML-like report (in particular, all
49 the index lookups, percentage calculation, vector arithmetic
50 and line sorting), and another part to generate the literal
51 HTML. Then the former can be reused to produce very similar
52 reports in coloured plain text.
53
54 - http://msdn.microsoft.com/en-us/library/ms724290.aspx suggest
55 modern Windowses support atime-equivalents, so a Windows port is
56 possible in principle.
57 + For a full Windows port, would need to modify the current
58 structure a lot, to abstract away (at least) memory-mapping of
59 files, details of disk scan procedure, networking for httpd.
60 Unclear what the right UI would be on Windows, too;
61 command-line exactly as now might be considered just a
62 _little_ unfriendly. Or perhaps not.
63 + Alternatively, a much easier approach would be to write a
64 Windows version of just the --scan-dump mode, which does a
65 filesystem scan via the Windows API and generates a valid
66 agedu dump file on standard output. Then one would simply feed
67 that over the network connection of one's choice to the rest
68 of agedu running on Unix as usual.