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Merge pull request #6449 from urbit/ted/ames-ping-2

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ames: ping faster to sponsors
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Josh Lehman 2023-04-07 08:36:05 -07:00 committed by GitHub
commit 59567b9e51
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2 changed files with 10 additions and 5 deletions
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5
pkg/arvo/app/ping.hoon
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@ -42,10 +42,9 @@
%- (slog leaf+"ping: strange state {<ship s>}" ~)
`state
:: NAT timeouts are often pretty short for UDP entries. 5
:: minutes is a common value. We use 30 seconds, which is fairly
:: aggressive, but should be safe.
:: minutes is a common value. We use 25 seconds, same as Wireguard.
::
=/ until (add ~s30 now)
=/ until (add ~s25 now)
=. ships.state
(~(put by ships.state) ship u.s(ship-state [%waiting until]))
:_ state

10
pkg/arvo/sys/vane/ames.hoon
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@ -3310,13 +3310,19 @@
++ num-slots
^- @ud
(sub-safe cwnd live-packets)
::
:: +clamp-rto: apply min and max to an .rto value
::
++ clamp-rto
|= rto=@dr
^+ rto
(min ~m2 (max ^~((div ~s1 5)) rto))
(min max-backoff (max ^~((div ~s1 5)) rto))
:: +max-backoff: calculate highest re-send interval
::
:: Keeps pinhole to sponsors open by inspecting the duct (hack).
::
++ max-backoff
^- @dr
?:(?=([[%gall %use %ping *] *] duct) ~s25 ~m2)
:: +in-slow-start: %.y iff we're in "slow-start" mode
::
++ in-slow-start