Sounds good. But how does that work for gnunet-arm, specifically? Because gnunet-arm -s still needs to work, kind of.
BR > On 25. Sep 2019, at 17:37, Christian Grothoff <[email protected]> wrote: > > Signed PGP part > This is actually related to a GNS-ish bug, which is that right now > pretty much none of our APIs offer a nice way for us to decide between > (1) "service may have crashed, keep trying" and (2) "service not running > period, give up". > > (1) is what is currently always done, in part because I'm not sure what > the best way to _sanely_ tell the two cases apart is. We have this > problem with gnunet-gns (waits if GNS service is down) during NSS > integration, as well as with gnunet-arm -e, but overall this affects all > tools: they deal nicely with crashing services, but badly when the > services are not running at all. > > Beyond the issue of distinguishing the two cases, there is the question > of how to nicely deal with the situation _without_ complicating the > logic in all of our programs. > > Right now, my best idea is to modify GNUNET_PROGRAM_run() to detect "is > ARM running" by asking it which services are running, and if we fail to > detect the ARM listen socket, we give up hard. Furthermore, we could > pass information to GNUNET_PROGRAM_run() which subset of services ARM > must support (via autostart or have launched), and again give up if the > required service(s) are not in the set. > > The is a slightly awkward heuristic, as after launching ARM it may still > take a few cycles for the listen socket to appear. We probably should > also modify "gnunet-arm -s" to not terminate until the listen socket > appears, as otherwise the above change would break some tests. > > WDYT? > > > On 9/25/19 4:02 PM, xrs wrote: >> Hi all, >> >> I stumple upon a problem that always got into my way when using >> gnunet-arm: If the services are not running and I execute gnunet-arm -e >> it hangs. How about ending it normally with some exit code >0? >> >> cheers, >> xrs >> >> >> _______________________________________________ >> GNUnet-developers mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/gnunet-developers >> > > >
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