[tor-bugs] #28849 [Core Tor/Tor]: Handle dormant mode in process library and for PT's

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#28849: Handle dormant mode in process library and for PT's
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 Reporter:  ahf           |          Owner:  (none)
     Type:  enhancement   |         Status:  needs_review
 Priority:  High          |      Milestone:  Tor: unspecified
Component:  Core Tor/Tor  |        Version:  Tor: unspecified
 Severity:  Normal        |     Resolution:
 Keywords:  041-proposed  |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:  Sponsor19
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Changes (by ahf):

 * status:  new => needs_review


Comment:

 I've tried to make a proposal patch here:
 https://github.com/ahf/torspec/commit/49d1cf355c350816ded4ea2e7d5772042aaa9d08

 I think it works like you describe in (3) that it's purely asynchronous
 and it always behaves as a hint to the PT that now is the time for the PT
 to enter its dormant state. If the PT is busy with something, it will wait
 a bit, and respond once its able to fulfill the request.

 This spec update also contains your (1) where the Tor process and the PT
 negotiates supported features. If the PT does NOT announce dormant
 support, Tor wont send the "SIGNAL DORMANT-*" events. All events in the
 update must be confirmed by either Tor or the PT as per (2).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28849#comment:7>
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