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Missing info output #5

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rmarquis opened this issue Jul 4, 2017 · 1 comment
Closed

Missing info output #5

rmarquis opened this issue Jul 4, 2017 · 1 comment
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@rmarquis
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rmarquis commented Jul 4, 2017

Compared to cower --info output, auracle info is currently less detailed:

  • missing Licenses info
  • missing Out of Date status
  • for packages that are flagged, missing flagged date string
  • for packages that are locally installed but outdated, missing [installed: oldversion] string
$ cower -ic cower
Repository     : aur
Name           : cower [installed: 17-1]
Version        : 17-2
URL            : http://github.com/falconindy/cower
AUR Page       : https://aur.archlinux.org/packages/cower
Keywords       : aur
Depends On     : curl  pacman  yajl
Makedepends    : perl
License        : MIT
Votes          : 887
Popularity     : 31.11
Out of Date    : No
Maintainer     : falconindy
Submitted      : Thu 30 Dec 2010 03:30:37 CET
Last Modified  : Mon 24 Apr 2017 16:27:21 CEST
Description    : A simple AUR agent with a pretentious name

I also just realized this installed: string in cower is printed next to the name, it might be more logical to place it next to the current version.
@falconindy
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Thanks! In order...

  • Missing licenses is a typo -- that's fixed locally.
  • Out of Date status is present when a package is out of date.
  • See above
  • Yes, this is missing. Definitely makes more sense to include this next the version, not the name...

falconindy added a commit that referenced this issue Jul 5, 2017
@falconindy
aur/package: fix typo in license field name
0bcfbe0 
Addresses part of #5.
falconindy added a commit that referenced this issue Jul 5, 2017
@falconindy
format: Show locally installed version on Long format
cbeaaf2 
Similar to cower, provide the locally installed version as part of the
Long format output.

Addresses part of #5.
@falconindy falconindy added the bug label Jul 8, 2017
falconindy added a commit that referenced this issue Sep 4, 2020
@falconindy
Rip out all of our cancellation logic, use sd_event_exit
9e8b12c 
Originally, I wanted to address the following problem:

When a user callback indicates failure, calling CancelAll() means that
we end up (re)invoking a curl socket callback from a socket callback,
leading to a double free (either in sd-event or curl). One possible
backtrace looks like:

    (gdb) bt
->  #0  aur::AurImpl::DispatchSocketCallback (this=0x618000000480, s=<optimized out>, action=4, io=<optimized out>) at ../src/aur/aur.cc:330
    #1  0x00007ffff74fa4e1 in singlesocket () from /usr/lib/libcurl.so.4
    #2  0x00007ffff74fe622 in curl_multi_remove_handle () from /usr/lib/libcurl.so.4
    #3  0x000055555570e833 in aur::AurImpl::FinishRequest (this=<optimized out>, curl=0x623000005500, result=<optimized out>, dispatch_callback=<optimized out>) at ../src/aur/aur.cc:462
    #4  0x0000555555708cc1 in std::__do_visit<std::__detail::__variant::__deduce_visit_result<void>, aur::AurImpl::Cancel(const value_type&)::Visitor, const std::variant<void*, sd_event_source*>&> (__visitor=...) at /usr/include/c++/10.2.0/variant:869
    #5  std::visit<aur::AurImpl::Cancel(const value_type&)::Visitor, const std::variant<void*, sd_event_source*>&> (__visitor=...) at /usr/include/c++/10.2.0/variant:1710
    #6  aur::AurImpl::Cancel (this=0x618000000480, request=...) at ../src/aur/aur.cc:291
    #7  0x00005555557090f6 in aur::AurImpl::CancelAll (this=0x618000000480) at ../subprojects/abseil-cpp-20200225.2/absl/container/internal/raw_hash_set.h:311
    #8  0x000055555570f08d in aur::AurImpl::CheckFinished (this=0x618000000480) at ../src/aur/aur.cc:485
->  #9  0x000055555570f341 in aur::AurImpl::DispatchSocketCallback (this=0x618000000480, s=<optimized out>, action=4, io=<optimized out>) at ../src/aur/aur.cc:332
    #10 0x00007ffff74fb092 in Curl_multi_closed () from /usr/lib/libcurl.so.4
    #11 0x00007ffff74cc631 in Curl_closesocket () from /usr/lib/libcurl.so.4
    #12 0x00007ffff74df551 in Curl_disconnect () from /usr/lib/libcurl.so.4
    #13 0x00007ffff74fc354 in multi_done () from /usr/lib/libcurl.so.4
    #14 0x00007ffff74fcc91 in multi_runsingle () from /usr/lib/libcurl.so.4
    #15 0x00007ffff74fe1d1 in multi_socket () from /usr/lib/libcurl.so.4
    #16 0x00007ffff74fe354 in curl_multi_socket_action () from /usr/lib/libcurl.so.4
    #17 0x000055555570f60d in aur::AurImpl::OnCurlTimer (userdata=0x618000000480) at ../src/aur/aur.cc:401
    #18 0x00007ffff7466b3e in ?? () from /usr/lib/libsystemd.so.0
    #19 0x00007ffff746821e in sd_event_dispatch () from /usr/lib/libsystemd.so.0
    #20 0x00007ffff746a6a9 in sd_event_run () from /usr/lib/libsystemd.so.0
    #21 0x0000555555704bd3 in aur::AurImpl::Wait (this=0x618000000480) at ../src/aur/aur.cc:495
    #22 0x000055555563ee8a in auracle::Auracle::GetOutdatedPackages (this=<optimized out>, args=std::vector of length 0, capacity 0, packages=<optimized out>) at /usr/include/c++/10.2.0/bits/unique_ptr.h:421
    #23 0x0000555555656816 in auracle::Auracle::Outdated (this=<optimized out>, args=..., options=...) at ../src/auracle/auracle.cc:564
    #24 0x0000555555596c7f in main (argc=<optimized out>, argv=<optimized out>) at ../subprojects/abseil-cpp-20200225.2/absl/container/internal/raw_hash_set.h:311

We could do that by making CancelAll() merely schedule another event
that performs the actual cancellation at a later point in order to avoid
the recursion. However, our cancellation logic is all sorts of weird and
makes assumptions about how events are dispatched (i.e. there might be
multiple at a time). Let's just get rid of all of this and use the
sd-event mechanism of sd_event_exit instead.

This does, however (as did the original proposed solution), have the
side effect of logging multiple times because we potentially open up to
5 connections to the AUR at once, e.g.

  $ build/auracle --baseurl http://129.168.255.1 outdated
  error: UNKNOWN: Connection timed out after 10000 milliseconds
  error: UNKNOWN: Connection timed out after 10000 milliseconds

I suppose one way to fix this would be to do response merging on the
backend to match the request splitting. That way, the frontend only gets
one response. I think that comes with a lot of weird potential behaviors
though (handling of partial failures, to mention one). Would be nicer if
the AUR didn't have the crap behavior and could take POST requests in
order to extend the arg limit.

Whatever, this is a weird edge case.

Fixes #82.
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@falconindy @rmarquis