[tor-bugs] #29113 [Core Tor/Tor]: Add IPv4/IPv6 connections to the heartbeat

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#29113: Add IPv4/IPv6 connections to the heartbeat
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     Reporter:  teor          |      Owner:  (none)
         Type:  enhancement   |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: unspecified
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  ipv6, tor-relay, tor-dirauh
Actual Points:                |  Parent ID:  #24403
       Points:  2             |   Reviewer:
      Sponsor:                |
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 When we implement IPv6 extends, we'll need to monitor how many IPv4 and
 IPv6 connections a relay is making, using every combination of:
 * IPv4/IPv6
 * initiate/accept

 We may also want to add the reason that the connection was initiated:
 * IPv4/IPv6
 * reachability (origin, authorities only) / client (origin, authorities
 and relay also act as clients) / extend (relays and authorities only)

 It's probably safe to also count all reachability circuits, but it might
 not be safe to count client circuits on clients, or extend circuits. Let's
 think about the privacy implications before adding these to the heartbeat.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29113>
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