[tor-bugs] #27678 [Core Tor/Tor]: Emit CIRC_BW event early for dropped cells

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#27678: Emit CIRC_BW event early for dropped cells
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 Reporter:  mikeperry     |          Owner:  (none)
     Type:  enhancement   |         Status:  needs_review
 Priority:  Medium        |      Milestone:  Tor: 0.3.5.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Changes (by mikeperry):

 * status:  new => needs_review


Comment:

 Ok, this is a very simple change:
 https://github.com/torproject/tor/pull/323

 Even though it is simple, tests for it are unfortunately pretty
 complicated to do, because we don't currently seem to test this codepath.
 Doing so means creating a fake channel, valid circuitmuxes, valid cpaths
 with working circuit crypto, and probably some other things. I filed
 #27679 for that. I can do that one separately, but I might need someone to
 help me, and it will probably take a while.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27678#comment:1>
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