opentracker/tests/t_vector.c, branch v2.2.1An open and free bittorrent tracker
https://erdgeist.org/gitweb/opentracker/atom?h=v2.2.12026-11-07T18:39:01ZUnify the peerlists for v4 and v62026-11-07T18:39:01ZDirk Englingerdgeist@erdgeist.org2026-11-07T18:39:01Zurn:sha1:589cb500fa5a6df13fa9634d0071922ec11fce17
This commit finishes what started with unifying v4 and v6 trackers, from then on, torrents
carried a peer list per family, with obvious redundancies. With the race to save memory,
these became burdening enough that now these peerlist pointers have been moved into a
single struct, holding both v4 and v6 peers in their respective ot_vectors, so the per-
torrent cost shrunk by another pointer's size.
Each peerlist also lost its peer count cache, as in most cases, it's trivial to load it
directly from the ot_vector's entry count. The seed counts that were kept per family only
to be aggregated later for every consumer, are also merged now.
Total savings depend on the tracker's actual load. In some corner cases, where only one
address family dominates the torrents, we actually use a few bytes more in the ot_vector
for the absent family, but even that mostly becomes noise: before it actually adds to the
memory load, the peer payload will be the deciding factor.
Most wins are on what often is experienced on trackers: A long tail of abandoned torrents
now needs eight fewer bytes, slipping into a smaller allocation unit on glibc's allocator.
Sweep the obsolete CVS Id keyword out of the tree2026-11-02T15:55:53ZDirk Englingerdgeist@erdgeist.org2026-11-02T15:55:53Zurn:sha1:28d6bf03e1bb8c38fb7e09ade3c5a9c58d68182eAvoid an UB of adding NULL + 0 by keeping an offset instead of advancing the pointer into a vector struct2026-10-26T22:25:21ZDirk Englingerdgeist@erdgeist.org2026-10-26T22:25:21Zurn:sha1:05efe6bde3a884d4fcca88a227efaeee2c7e3b8aFirst run of making variable names more readable2026-10-26T15:59:39ZDirk Englingerdgeist@erdgeist.org2026-10-26T15:59:39Zurn:sha1:6871825565d0ba24436dbd5b92cc09e02f93af6aClean up peer re-distribution between single bucket vectors and bucket lists, add tests2026-10-25T12:00:17ZDirk Englingerdgeist@erdgeist.org2026-10-25T12:00:17Zurn:sha1:632960a33eb8d23925b2bbef24d5065de7280aefAdd a unit test harness and a first set of tests2026-10-23T23:17:50ZDirk Englingerdgeist@erdgeist.org2026-10-23T23:17:50Zurn:sha1:f24ec48b27d4cb8dd0555840206dedbb45f1423c
make check builds tests/runner from the modules that link without the
io subsystem and runs it.