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Re: [tor-bugs] #23114 [Core Tor/Tor]: Circuit Build Timeout should apply at circuit completion



#23114: Circuit Build Timeout should apply at circuit completion
-------------------------------------------------+-------------------------
 Reporter:  mikeperry                            |          Owner:
                                                 |  mikeperry
     Type:  enhancement                          |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  guard-discovery-prop247-controller,  |  Actual Points:
  review-group-25, review-group-26               |
Parent ID:  #23100                               |         Points:
 Reviewer:  asn                                  |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by asn):

 * status:  needs_review => needs_revision


Comment:

 OK great mike! I'm quite happy with the current state of the code!

 Two minor nitpicks and we are ready to roll:

 - I find it a bit awkward that we are calculating `first_hop_succeeded`
 twice in the same way both in
 `circuit_build_times_mark_circ_as_measurement_only()` and in its caller
 `circuit_expire_building()`. I wonder what we could do to only do the
 calculation once. One solution could be to return the value of
 `first_hop_succeeded` from
 `circuit_build_times_mark_circ_as_measurement_only()` and use it in
 `circuit_expire_building()`. Do you think that makes sense or would it be
 uglier?

 - Let's add a note in the function doc of `circuit_any_opened_circuits()`
 that we cache its result as well.

 After these two minor things are resolved, I think the next steps is to
 squash everything, make a new merge request, and mark it as `merge_ready`
 so that Nick can check it out.

 Cheers!

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23114#comment:17>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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