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| author | Roger Dingledine <arma@torproject.org> | 2022-07-01 16:29:46 -0400 |
|---|---|---|
| committer | Micah Elizabeth Scott <beth@torproject.org> | 2023-05-10 07:37:11 -0700 |
| commit | a575e35c17d49bd830a9a1814ad9a3b122df9f08 (patch) | |
| tree | 40e157252f93fbeaf6cfd8aaf537708eaa8e36f2 /src/feature | |
| parent | 13f62582456cc9e7f1e8fd5993dd0e33b7da196b (diff) | |
| download | tor-a575e35c17d49bd830a9a1814ad9a3b122df9f08.tar.gz tor-a575e35c17d49bd830a9a1814ad9a3b122df9f08.zip | |
sort pqueue ties by time-added
our pqueue implementation does bizarre unspecified things with
ordering of elements that are equal. it certainly doesn't do any
sort of "first in first out" property that i was expecting.
now make it explicit by saying that "equal-effort, added-earlier" is
higher priority.
Diffstat (limited to 'src/feature')
| -rw-r--r-- | src/feature/hs/hs_circuit.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/feature/hs/hs_circuit.c b/src/feature/hs/hs_circuit.c index c5eb22d5cd..6b8d87351c 100644 --- a/src/feature/hs/hs_circuit.c +++ b/src/feature/hs/hs_circuit.c @@ -624,6 +624,11 @@ compare_rend_request_by_effort_(const void *_a, const void *_b) if (a->rdv_data.pow_effort > b->rdv_data.pow_effort) { return -1; } else if (a->rdv_data.pow_effort == b->rdv_data.pow_effort) { + /* tie-breaker! use the time it was added to the queue. older better. */ + if (a->enqueued_ts < b->enqueued_ts) + return -1; + if (a->enqueued_ts > b->enqueued_ts) + return 1; return 0; } else { return 1; @@ -780,8 +785,10 @@ handle_rend_pqueue_cb(mainloop_event_t *ev, void *arg) offsetof(pending_rend_t, idx)); log_notice(LD_REND, "Dequeued pending rendezvous request with effort: %u. " + "Waited %d. " "Remaining requests: %u", req->rdv_data.pow_effort, + (int)(now - req->enqueued_ts), smartlist_len(pow_state->rend_request_pqueue)); if (queued_rend_request_is_too_old(req, now)) { |