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ames: add resend timer for attestation requests

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This commit is contained in:
lukechampine 2022-02-27 23:32:12 -05:00
parent 2f7a5964b3
commit 8399b7b96c
1 changed files with 38 additions and 13 deletions
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43
pkg/arvo/sys/vane/ames.hoon
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@ -1424,6 +1424,20 @@
|= [=wire error=(unit tang)]
^+ event-core
::
?: ?=([%alien @ ~] wire)
:: if we haven't received an attestation, ask again
::
?^ error
%- (slog leaf+"ames: attestation timer failed: {<u.error>}" ~)
event-core
?~ ship=`(unit @p)`(slaw %p i.t.wire)
%- (slog leaf+"ames: got timer for strange wire: {<wire>}" ~)
event-core
=/ ship-state (~(get by peers.ames-state) u.ship)
?: ?=([~ %known *] ship-state)
event-core
(request-attestation u.ship)
::
=/ res=(unit [her=ship =bone]) (parse-pump-timer-wire wire)
?~ res
%- (slog leaf+"ames: got timer for strange wire: {<wire>}" ~)
@ -1715,7 +1729,8 @@
++ on-trim event-core
:: +enqueue-alien-todo: helper to enqueue a pending request
::
:: Also attempts to discover keys and life on first request.
:: Also requests key and life from Jael on first request.
:: If talking to a comet, requests attestation packet.
::
++ enqueue-alien-todo
|= [=ship mutate=$-(alien-agenda alien-agenda)]
@ -1734,20 +1749,30 @@
=. peers.ames-state (~(put by peers.ames-state) ship %alien todos)
?: already-pending
event-core
:: ask Jael for (non-comet) ship's life and keys
::
?. =(%pawn (clan:title ship))
?: =(%pawn (clan:title ship))
(request-attestation ship)
:: NB: we specifically look for this wire in +public-keys-give in
:: Jael. if you change it here, you must change it there.
::
(emit duct %pass /public-keys %j %public-keys [n=ship ~ ~])
:: Request a comet's self-attesation by firing a sendkeys packet. If we're
:: also a comet, send our self-attestation instead; this induces the same
:: response, and thus saves a roundtrip.
:: +request-attestation: helper to request attestation from comet
::
?. =(%pawn (clan:title our))
(send-blob | ship (sendkeys-packet ship))
(send-blob | ship (attestation-packet ship 1))
:: Comets will respond to any unknown peer with a self-attestation,
:: so we either send a sendkeys packet (a dummy shut packet) or, if
:: we're a comet, our own self-attestation, saving a roundtrip.
::
:: Also sets a timer to resend the request every 30s.
::
++ request-attestation
|= =ship
^+ event-core
=/ packet ?. =(%pawn (clan:title our))
(sendkeys-packet ship)
(attestation-packet ship 1)
=. event-core (send-blob | ship packet)
=/ =wire /alien/(scot %p ship)
(emit duct %pass wire %b %wait (add now ~s30))
:: +send-blob: fire packet at .ship and maybe sponsors
::
:: Send to .ship and sponsors until we find a direct lane,