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TODO
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TODO
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Hi everyone,
This is the "todo" file for mtr. I just realized that some people
might think that this is all in MY queue to implement. That is not
true: This is the "for everybody" todo list. Feel free to pick a
"project" and implement something off this list.
Students: Feel free to take up one of these as a programming exercise
for one of your courses.
Everybody: If you want to start on something, contact me first, so
that the effort isn't wasted by someone who finishes just a tad
earlier. I'll happily provide "coaching" to anyone who wants to
implement something on this list. That way we get the design of
these things the way I like them. This should result in a better
maintainable mtr.
Oh, Feel free to provide suggestions for this list.
-- REW
----------------------------------------------------------------------
- Stuff to implement:
- Allow mtr to log the return packets, for later analysis.
Done: 0.25 . Todo: allow the user interface(s) to work while
still logging to a file. Write a "logfile displaying" mode to
mtr.
- Request timestamping at the remote site.
Andreas Fasbender has an algorithm that will allow us to
convert these measurements into one-way measurements, not just
round-trip.
- allow "keyboard navigation" in the GTK version.
- Keep all packets and make the "best" and "worst" columns show the
xx-th percentile....
- Can the reports generated also include any secondary servers? In
the interactive mode, any new servers that are found in the
traceroute are added to the list, but it seems to only include
one set of servers when using the -r option.
- Being able to expand the "column width" of the hosts listed would
be nice, too.
- Bugs to fix?
- Do something useful if host couldn't be resolved.
-- Done.
- Revert to curses mode even if DISPLAY is set, but a problem
prevents us from running in X11 mode.
--> The problem is that gtk_init simply calls exit for us if
it finds a problem. Tricky! Suggestions welcome.
--> Call "gtk_check_init" when available. (i.e. new enough
(1.2?) GTK version).
- Nice to have:
- stop sending packets when a new host is getting entered.
- Show state ("looking up host") while doing the DNS lookup for a new
host.
- to have a choice of icmp, tcp, and udp pings. -- Matt Martini
- Autoconf 2.13 has a neat function that can be used to find the
res_init function:
AC_SEARCH_LIBS(res_init, bind resolv, ,
AC_MSG_ERROR(No resolver library found))
At the moment (march 1999) autoconf 2.13 is still too new to require
everyone to upgrade. About a year from now we can put this in....
- Implement rfc2317 mechanism to do reverse lookups for networks that
have DNS delegations on non-octet boundaries. -- Daniel Bergstrom
- The longer MTR runs, the less meaningful the packet loss
statistic. Or more meaningful, depending on your point of view.
Perhaps MTR should use a circular buffer of some configurable
number of results, and calculate the loss against that. -- Jacob Elder
- It would be nice if the window size wasn't fixed. If I'm only 5
hops from the host I'm monitoring, MTR wastes a lot of screen real
estate. -- Jacob Elder
- Colors in the curses version. -- Amix
- If we run a mtr to monitor a connection it would be nice if the time at
which mtr was started is print somewhere. -- Sebastian Ganschow
------------------------------------------------------------------------
Things that shouldn't be on the TODO list because they're done. ;-)
- Allow a toggle between hostname/IP number display. (for example a
click on the hostname could revert to ip number display in gtk version.
curses: "n" key toggles hostnames/ipnumbers?)
- Allow mtr to also send larger packets.
This will enable us to get a feel for the speed of the links
we're traversing. (Van Jacobson was working on this His tool
was slow, mtr will rock with this feature.... :-)
(Anybody have the statistics experience to tell me how
to do the data analysis?)
-- DONE. Thanks to Olav Kvittem ...
- The "don't probe all hosts at once" strategy can be improved a bit.
It should not probe more than 10 unknown hosts, but the counter need
not be reset at the start of the "round". This way if you probe
slowly (relative to the RTT time to the end host), it can probe
all hosts in the first "round".
-- DONE.
- Read environment variable "MTR_DEFAULTS" as a commandline before
parsing the commandline. -- DONE. (ok it's MTR_OPTIONS.)