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d98c59e73a
urbit/pkg/arvo/sys/vane/gall.hoon
fang d98c59e73a
zuse: lift moves out of +able
2020-12-08 01:47:06 +01:00

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:: :: %gall, agent execution
!? 163
::
::::
|= our=ship
=, gall
=>
|%
+| %main
::
:: $move: Arvo-level move
::
+$ move [=duct move=(wind note-arvo gift-arvo)]
:: $state-7: overall gall state, versioned
::
+$ state-7 [%7 state]
:: $state: overall gall state
::
:: system-duct: TODO document
:: outstanding: outstanding request queue
:: contacts: other ships we're in communication with
:: yokes: running agents
:: blocked: moves to agents that haven't been started yet
::
+$ state
$: system-duct=duct
outstanding=(map [wire duct] (qeu remote-request))
contacts=(set ship)
yokes=(map term yoke)
blocked=(map term (qeu blocked-move))
==
:: $watches: subscribers and publications
::
:: TODO: rename this, to $ties?
:: TODO: rename $boat and $bitt and document
::
+$ watches [inbound=bitt outbound=boat]
:: $routes: new cuff; TODO: document
::
+$ routes
$: disclosing=(unit (set ship))
attributing=ship
==
:: $yoke: agent runner state
::
:: control-duct: TODO document
:: live: is this agent running? TODO document better
:: stats: TODO document
:: watches: incoming and outgoing subscription state
:: agent: agent core
:: beak: compilation source
:: marks: mark conversion requests
::
+$ yoke
$: control-duct=duct
nonce=@t
live=?
=stats
=watches
agent=(each agent vase)
=beak
marks=(map duct mark)
==
:: $blocked-move: enqueued move to an agent
::
+$ blocked-move [=duct =routes move=(each deal sign:agent)]
:: $stats: statistics
::
:: change: how many moves this agent has processed
:: eny: entropy
:: time: date of current event processing
::
+$ stats [change=@ud eny=@uvJ time=@da]
:: $ames-response: network response message (%boon)
::
:: %d: fact
:: %x: quit
::
+$ ames-response
$% [%d =mark noun=*]
[%x ~]
==
:: $ames-request: network request (%plea)
::
:: %m: poke
:: %l: watch-as
:: %s: watch
:: %u: leave
::
+$ ames-request-all
$% [%0 ames-request]
==
+$ ames-request
$% [%m =mark noun=*]
[%l =mark =path]
[%s =path]
[%u ~]
==
:: $remote-request: kinds of agent actions that can cross the network
::
:: Used in wires to identify the kind of remote request we made.
:: Bijective with the tags of $ames-request.
::
+$ remote-request
$? %watch
%watch-as
%poke
%leave
%missing
==
:: |migrate: data structures for upgrades
::
+| %migrate
::
:: $spore: structures for update, produced by +stay
::
+$ spore
$: %7
wipe-eyre-subs=_| ::NOTE band-aid for #3196, remove on next upgrade
system-duct=duct
outstanding=(map [wire duct] (qeu remote-request))
contacts=(set ship)
eggs=(map term egg)
blocked=(map term (qeu blocked-move))
==
:: $egg: migratory agent state; $yoke with .old-state instead of .agent
::
+$ egg
$: control-duct=duct
nonce=@t
live=?
=stats
=watches
old-state=(each vase vase)
=beak
marks=(map duct mark)
==
--
:: pupal gall core, on upgrade
::
=< =* adult-gate .
=| =spore
|= [now=@da eny=@uvJ rof=roof]
=* pupal-gate .
=* adult-core (adult-gate +<)
=< |%
++ call ^call
++ load ^load
++ scry ^scry
++ stay ^stay
++ take ^take
--
|%
++ molt
|= [=duct fec=(unit move)]
^- [(list move) _adult-gate]
~> %slog.[0 leaf+"gall: molting"]
~< %slog.[0 leaf+"gall: molted"]
:: +molt should never notify its client about agent changes
::
=- [(skip -< |=(move ?=([* %give %onto *] +<))) ->]
=/ adult adult-core
=. state.adult
[%7 system-duct outstanding contacts yokes=~ blocked]:spore
=/ mo-core (mo-abed:mo:adult duct)
=. mo-core
=/ apps=(list [dap=term =egg]) ~(tap by eggs.spore)
~? wipe-eyre-subs.spore
[%g %wiping-eyre-subs]
|- ^+ mo-core
?~ apps mo-core
~> %slog.[0 leaf+"gall: upgrading {<dap.i.apps>}"]
=/ ap-core (ap-abut:ap:mo-core i.apps)
=? ap-core ?=(%& -.old-state.egg.i.apps)
=^ tan ap-core (ap-install:ap-core `p.old-state.egg.i.apps)
?^ tan
(mean u.tan)
ap-core
=? ap-core wipe-eyre-subs.spore
=/ ducts=(list ^duct)
%+ skim ~(tap in ~(key by inbound.watches.egg.i.apps))
|= =^duct
%+ lien duct
|= =path
?=(^ (find /e/channel/subscription path))
|-
?~ ducts ap-core
=. ap-core
ap-load-delete:ap-core(agent-duct i.ducts)
$(ducts t.ducts)
$(apps t.apps, mo-core ap-abet:ap-core)
=. mo-core (mo-subscribe-to-agent-builds:mo-core now)
=^ moves adult-gate mo-abet:mo-core
=? moves ?=(^ fec) (weld moves [u.fec]~)
[moves adult-gate]
::
++ call
|= [=duct dud=(unit goof) wrapped-task=(hobo task)]
=* call-args +<
?: =(~ eggs.spore)
~> %slog.[0 leaf+"gall: direct morphogenesis"]
=. state.adult-gate [- +>]:spore(eggs *(map term yoke))
(call:adult-core call-args)
?^ dud
~> %slog.[0 leaf+"gall: pupa call dud"]
(mean >mote.u.dud< tang.u.dud)
=/ task ((harden task:gall) wrapped-task)
(molt duct `[duct %slip %g task])
::
++ scry scry:adult-core
++ stay ~|(%gall-subinvolution !!)
++ take
|= [=wire =duct dud=(unit goof) sign=sign-arvo]
=* take-args +<
?: =(~ eggs.spore)
~> %slog.[0 leaf+"gall: direct morphogenesis"]
=. state.adult-gate [- +>]:spore(eggs *(map term yoke))
(take:adult-core take-args)
?^ dud
~> %slog.[0 leaf+"gall: pupa take dud"]
(mean >mote.u.dud< tang.u.dud)
?: =(/sys/lyv wire)
(molt duct ~)
(molt duct `[duct %pass wire %b %huck sign])
::
++ load
|= old=^spore
=. spore old
?. =(~ eggs.spore)
pupal-gate
~> %slog.[0 leaf+"gall: direct morphogenesis"]
%_ adult-gate
state [- +>]:spore(eggs *(map term yoke))
==
--
:: adult gall vane interface, for type compatibility with pupa
::
=| state=state-7
|= [now=@da eny=@uvJ rof=roof]
=* gall-payload .
=< ~% %gall-wrap ..mo ~
|%
++ call ^call
++ load ^load
++ scry ^scry
++ stay ^stay
++ take ^take
--
~% %gall-top ..part ~
|%
:: +mo: Arvo-level move handling
::
:: An outer core responsible for routing moves to and from Arvo; it calls
:: an inner core, +ap, to route internal moves to and from agents.
::
++ mo
~% %gall-mo +> ~
|_ [hen=duct moves=(list move)]
:: +mo-abed: initialise state with the provided duct
:: +mo-abet: finalize, reversing moves
:: +mo-pass: prepend a standard %pass to the current list of moves
:: +mo-give: prepend a standard %give to the current list of moves
::
++ mo-core .
++ mo-abed |=(hun=duct mo-core(hen hun))
++ mo-abet [(flop moves) gall-payload]
++ mo-pass |=(p=[wire note-arvo] mo-core(moves [[hen pass+p] moves]))
++ mo-give |=(g=gift mo-core(moves [[hen give+g] moves]))
:: +mo-boot: ask %ford to build us a core for the specified agent.
::
++ mo-boot
|= [dap=term =ship =desk]
^+ mo-core
=/ =case [%da now]
=/ =wire /sys/cor/[dap]/(scot %p ship)/[desk]/(scot case)
(mo-pass wire %c %warp ship desk ~ %sing %a case /app/[dap]/hoon)
:: +mo-reboot: ask %ford to rebuild the specified agent
::
++ mo-reboot
|= [dap=term =ship]
^+ mo-core
=/ gent (~(got by yokes.state) dap)
=* desk q.beak.gent
(mo-boot:(mo-abed control-duct.gent) dap ship desk)
:: +mo-goad: rebuild agent(s)
::
++ mo-goad
|= agent=(unit dude)
^+ mo-core
?^ agent
~| goad-gone+u.agent
(mo-reboot u.agent our)
=/ agents=(list term) ~(tap in ~(key by yokes.state))
|- ^+ mo-core
?~ agents mo-core
$(agents t.agents, mo-core (mo-reboot i.agents our))
:: +mo-receive-core: receives an app core built by %ford.
::
:: Presuming we receive a good core, we first check to see if the agent
:: is already running. If so, we update its beak in %gall's state,
:: initialise an +ap core for the agent, install the core we got from
:: %ford, and then resolve any moves associated with it.
::
:: If we're dealing with a new agent, we create one using the result we
:: got from %ford, add it to the collection of agents %gall is keeping
:: track of, and then do more or less the same procedure as we did for the
:: running agent case.
::
++ mo-receive-core
~/ %mo-receive-core
|= [dap=term bek=beak =agent]
^+ mo-core
::
=/ existing (~(get by yokes.state) dap)
=/ re ?~(existing "" "re")
~> %slog.[0 leaf+"gall: {re}loading {<dap>}"]
::
?^ existing
=. yokes.state
(~(put by yokes.state) dap u.existing(beak bek))
=/ =routes [disclosing=~ attributing=our]
=/ ap-core (ap-abed:ap dap routes)
=. ap-core (ap-reinstall:ap-core agent)
=. mo-core ap-abet:ap-core
(mo-clear-queue dap)
::
=. yokes.state
%+ ~(put by yokes.state) dap
%* . *yoke
control-duct hen
beak bek
agent &+agent
nonce (scot %uw (end 5 (shas %yoke-nonce eny)))
==
::
=/ old mo-core
=/ wag
=/ =routes [disclosing=~ attributing=our]
=/ ap-core (ap-abed:ap dap routes)
(ap-upgrade-state:ap-core ~)
::
=/ maybe-tang -.wag
=/ ap-core +.wag
?^ maybe-tang
=. mo-core old
(mo-give %onto %.n u.maybe-tang)
::
=. mo-core ap-abet:ap-core
=. mo-core (mo-clear-queue dap)
=/ =suss [dap %boot now]
(mo-give %onto [%.y suss])
:: +mo-subscribe-to-agent-builds: request agent update notices
::
:: Also subscribe to our own source path, in case we get reloaded
:: but none of the agents do. This way, Clay will still notify us,
:: and we'll be able to exit the chrysalis.
::
++ mo-subscribe-to-agent-builds
|= date=@da
^+ mo-core
=. mo-core (mo-abed system-duct.state)
=/ =wire /sys/lyv
=. mo-core (mo-pass /sys/lyv %c %warp our %home ~)
=/ =mool:clay
:- da+date
%- ~(gas in *(set [care:clay path]))
:* [%z /sys/hoon/hoon]
[%z /sys/arvo/hoon]
[%z /sys/zuse/hoon]
[%z /sys/vane/gall/hoon]
%+ murn ~(tap by yokes.state)
|= [dap=term =yoke]
^- (unit [care:clay path])
?: ?=(%| -.agent.yoke)
~
`[%a /app/[dap]/hoon]
==
(mo-pass wire %c %warp our %home ~ %mult mool)
:: +mo-scry-agent-cage: read $agent core from clay
::
++ mo-scry-agent-cage
|= [dap=term =case:clay]
^- (each agent tang)
=/ bek=beak [our %home case]
=/ sky (rof ~ %ca bek /app/[dap]/hoon)
?~ sky |+[leaf+"gall: {<dap>} scry blocked"]~
?~ u.sky |+[leaf+"gall: {<dap>} scry failed"]~
=/ =cage u.u.sky
?. =(%vase p.cage)
|+[leaf+"gall: bad mark {<p.cage>} for agent {<dap>}"]~
=/ res (mule |.(!<(agent !<(vase q.cage))))
?: ?=(%& -.res)
&+p.res
|+[[leaf+"gall: {<dap>} not valid agent"] p.res]
:: +mo-send-foreign-request: handle local request to .ship
::
++ mo-send-foreign-request
~/ %mo-send-foreign-request
|= [=ship foreign-agent=term =deal]
^+ mo-core
::
=. mo-core (mo-track-ship ship)
?< ?=(?(%raw-poke %poke-as) -.deal)
=/ =ames-request-all
:- %0
?- -.deal
%poke [%m p.cage.deal q.q.cage.deal]
%leave [%u ~]
%watch-as [%l [mark path]:deal]
%watch [%s path.deal]
==
::
=/ wire
/sys/way/(scot %p ship)/[foreign-agent]
::
=/ =note-arvo
=/ =path /ge/[foreign-agent]
[%a %plea ship %g path ames-request-all]
::
=. outstanding.state
=/ stand
(~(gut by outstanding.state) [wire hen] *(qeu remote-request))
(~(put by outstanding.state) [wire hen] (~(put to stand) -.deal))
(mo-pass wire note-arvo)
:: +mo-track-ship: subscribe to ames and jael for notices about .ship
::
++ mo-track-ship
|= =ship
^+ mo-core
:: if already contacted, no-op
::
?: (~(has in contacts.state) ship)
mo-core
:: first contact; update state and subscribe to notifications
::
=. contacts.state (~(put in contacts.state) ship)
:: ask ames to track .ship's connectivity
::
=. moves [[system-duct.state %pass /sys/lag %a %heed ship] moves]
:: ask jael to track .ship's breaches
::
=/ =note-arvo [%j %public-keys (silt ship ~)]
=. moves
[[system-duct.state %pass /sys/era note-arvo] moves]
mo-core
:: +mo-untrack-ship: cancel subscriptions to ames and jael for .ship
::
++ mo-untrack-ship
|= =ship
^+ mo-core
:: if already canceled, no-op
::
?. (~(has in contacts.state) ship)
mo-core
:: delete .ship from state and kill subscriptions
::
=. contacts.state (~(del in contacts.state) ship)
::
=. moves [[system-duct.state %pass /sys/lag %a %jilt ship] moves]
::
=/ =note-arvo [%j %nuke (silt ship ~)]
=. moves
[[system-duct.state %pass /sys/era note-arvo] moves]
mo-core
:: +mo-breach: ship breached, so forget about them
::
++ mo-breach
|= =ship
^+ mo-core
=. mo-core (mo-untrack-ship ship)
=. mo-core (mo-filter-queue ship)
=/ agents=(list [name=term =yoke]) ~(tap by yokes.state)
=. outstanding.state
%- malt
%+ skip ~(tap by outstanding.state)
|= [[=wire duct] (qeu remote-request)]
=(/sys/way/(scot %p ship) (scag 3 wire))
::
|- ^+ mo-core
?~ agents
mo-core
=. mo-core
=/ =routes [disclosing=~ attributing=ship]
=/ app (ap-abed:ap name.i.agents routes)
ap-abet:(ap-breach:app ship)
$(agents t.agents)
:: +mo-handle-sys: handle a +sign incoming over /sys.
::
:: (Note that /sys implies the +sign should be routed to a vane.)
::
++ mo-handle-sys
~/ %mo-handle-sys
|= [=path =sign-arvo]
^+ mo-core
::
?+ -.path !!
%lyv (mo-handle-sys-lyv path sign-arvo)
%era (mo-handle-sys-era path sign-arvo)
%cor (mo-handle-sys-cor path sign-arvo)
%lag (mo-handle-sys-lag path sign-arvo)
%req (mo-handle-sys-req path sign-arvo)
%way (mo-handle-sys-way path sign-arvo)
==
:: +mo-handle-sys-era: receive update about contact
::
++ mo-handle-sys-era
|= [=path =sign-arvo]
^+ mo-core
?> ?=([%j %public-keys *] sign-arvo)
?> ?=([%era ~] path)
?. ?=(%breach -.public-keys-result.sign-arvo)
mo-core
(mo-breach who.public-keys-result.sign-arvo)
:: +mo-handle-sys-cor: receive a built agent from %clay
::
++ mo-handle-sys-cor
|= [=path =sign-arvo]
^+ mo-core
::
?> ?=([%cor @ @ @ @ ~] path)
=/ [dap=term her=@ta desk=@ta dat=@ta ~] t.path
=/ tim (slav da+dat)
=/ =beak [(slav %p her) desk da+tim]
?> ?=([?(%b %c) %writ *] sign-arvo)
|^ ^+ mo-core
?~ p.sign-arvo
(fail leaf+"gall: failed to build agent {<dap>}" ~)
=/ cag=cage r.u.p.sign-arvo
?. =(%vase p.cag)
(fail leaf+"gall: bad %writ {<p.cag>} for {<dap>}" ~)
=/ res (mule |.(!<(agent !<(vase q.cag))))
?: ?=(%| -.res)
(fail leaf+["gall: bad agent {<dap>}"] p.res)
=. mo-core (mo-receive-core dap beak p.res)
(mo-subscribe-to-agent-builds tim)
::
++ fail
|= =tang
^+ mo-core
=. mo-core (mo-give %onto |+tang)
=/ =case [%da tim]
=/ =wire /sys/cor/[dap]/[her]/[desk]/(scot case)
(mo-pass wire %c %warp p.beak desk ~ %next %a case /app/[dap]/hoon)
--
:: +mo-handle-sys-lyv: handle notice that agents have been rebuilt
::
++ mo-handle-sys-lyv
|= [=path =sign-arvo]
^+ mo-core
?> ?=([%lyv ~] path)
?> ?=([?(%b %c) %wris *] sign-arvo)
=/ bek=beak [our %home p.sign-arvo]
=/ nex=(list [=care:clay =^path]) ~(tap in q.sign-arvo)
~> %slog.[0 leaf+"gall: reloading agents"]
~< %slog.[0 leaf+"gall: reloaded agents"]
=; cor (mo-subscribe-to-agent-builds:cor p.p.sign-arvo)
%+ roll nex
|= [[=care:clay =^path] cor=_mo-core]
^+ cor
:: We throw away %z results because we only have them to guarantee
:: molting. Clay will tell us if e.g. changing hoon.hoon affects
:: the result of a particular app (usually it will).
::
?. =(%a care)
cor
=/ dap dap:;;([%app dap=@tas %hoon ~] path)
=/ rag (mo-scry-agent-cage dap p.sign-arvo)
?: ?=(%| -.rag)
(mean p.rag)
(mo-receive-core:cor dap bek p.rag)
:: +mo-handle-sys-lag: handle an ames %clog notification
::
++ mo-handle-sys-lag
|= [=path =sign-arvo]
^+ mo-core
::
?> ?=([%lag ~] path)
?> ?=([%a %clog *] sign-arvo)
::
=/ agents=(list term) ~(tap in ~(key by yokes.state))
|- ^+ mo-core
?~ agents mo-core
::
=. mo-core
=/ =routes [disclosing=~ attributing=our]
=/ app (ap-abed:ap i.agents routes)
ap-abet:(ap-clog:app ship.sign-arvo)
::
$(agents t.agents)
:: +mo-handle-sys-req: TODO description
::
:: TODO: what should we do if the remote nacks our %pull?
++ mo-handle-sys-req
|= [=path =sign-arvo]
^+ mo-core
::
?> ?=([%req @ @ ~] path)
=/ him (slav %p i.t.path)
=/ dap i.t.t.path
::
?> ?=([?(%g %b) %unto *] sign-arvo)
=/ =sign:agent +>.sign-arvo
::
?- -.sign
%poke-ack
=/ err=(unit error:ames)
?~ p.sign ~
`[%poke-ack u.p.sign]
(mo-give %done err)
::
%fact
=+ [mark noun]=[p q.q]:cage.sign
(mo-give %boon %d mark noun)
::
%kick
(mo-give %boon %x ~)
::
%watch-ack
=/ err=(unit error:ames)
?~ p.sign ~
`[%watch-ack u.p.sign]
(mo-give %done err)
==
:: +mo-handle-sys-way: handle response to outgoing remote request
::
++ mo-handle-sys-way
|= [=wire =sign-arvo]
^+ mo-core
?> ?=([%way @ @ $@(~ [@ ~])] wire)
=/ =ship (slav %p i.t.wire)
=/ foreign-agent i.t.t.wire
::
?+ sign-arvo !!
[%a %done *]
=^ remote-request outstanding.state
?~ t.t.t.wire
=/ full-wire sys+wire
=/ stand
(~(gut by outstanding.state) [full-wire hen] ~)
::
:: default is to send both ack types; should only hit if
:: cleared queue in +load 3-to-4 or +load-4-to-5
::
=? stand ?=(~ stand)
(~(put to *(qeu remote-request)) %missing)
~| [full-wire=full-wire hen=hen stand=stand]
=^ rr stand ~(get to stand)
[rr (~(put by outstanding.state) [full-wire hen] stand)]
:: non-null case of wire is old, remove on next breach after
:: 2019/12
::
[;;(remote-request i.t.t.t.wire) outstanding.state]
::
=/ err=(unit tang)
?~ error=error.sign-arvo
~
`[[%leaf (trip tag.u.error)] tang.u.error]
::
?- remote-request
%watch-as (mo-give %unto %watch-ack err)
%watch (mo-give %unto %watch-ack err)
%poke (mo-give %unto %poke-ack err)
%leave mo-core
%missing (mo-give:(mo-give %unto %watch-ack err) %unto %poke-ack err)
==
::
[%a %boon *]
?^ t.t.t.wire
:: kill subscriptions which use the old wire format
::
!!
=/ =ames-response ;;(ames-response payload.sign-arvo)
(mo-handle-ames-response ames-response)
::
[%a %lost *]
:: note this should only happen on reverse bones, so only facts
:: and kicks
::
=/ sys-wire [%sys wire]
:: TODO: %drip %kick so app crash can't kill the remote %pull
::
=/ =ames-request-all [%0 %u ~]
=. mo-core
(mo-pass sys-wire %a %plea ship %g /ge/[foreign-agent] ames-request-all)
=. mo-core (mo-give %unto %kick ~)
mo-core
==
:: +mo-handle-use: handle a typed +sign incoming on /use.
::
:: (Note that /use implies the +sign should be routed to an agent.)
::
:: Initialises the specified agent and then performs an agent-level
:: +take on the supplied +sign.
::
++ mo-handle-use
~/ %mo-handle-use
|= [=path =sign-arvo]
^+ mo-core
::
?. ?=([@ @ @ *] path)
~& [%mo-handle-use-bad-path path]
!!
::
=/ dap=term i.path
=/ yoke (~(get by yokes.state) dap)
?~ yoke
%- (slog leaf+"gall: {<dap>} dead, got {<+<.sign-arvo>}" ~)
mo-core
?. =(nonce.u.yoke i.t.path)
%- (slog leaf+"gall: got old {<+<.sign-arvo>} for {<dap>}" ~)
mo-core
?. ?=([?(%g %b) %unto *] sign-arvo)
?: ?=(%| -.agent.u.yoke)
%- (slog leaf+"gall: {<dap>} dozing, dropping {<+<.sign-arvo>}" ~)
mo-core
=/ app
=/ =ship (slav %p i.t.t.path)
=/ =routes [disclosing=~ attributing=ship]
(ap-abed:ap dap routes)
::
=. app (ap-generic-take:app t.t.t.path sign-arvo)
ap-abet:app
?> ?=([%out @ @ *] t.t.path)
=/ =ship (slav %p i.t.t.t.path)
=/ =routes [disclosing=~ attributing=ship]
=/ =sign:agent +>.sign-arvo
?: ?=(%| -.agent.u.yoke)
=/ blocked=(qeu blocked-move)
=/ waiting (~(get by blocked.state) dap)
=/ deals (fall waiting *(qeu blocked-move))
=/ deal [hen routes |+sign]
(~(put to deals) deal)
::
%- (slog leaf+"gall: {<dap>} dozing, got {<-.sign>}" ~)
%_ mo-core
blocked.state (~(put by blocked.state) dap blocked)
==
=/ app (ap-abed:ap dap routes)
=. app
(ap-specific-take:app t.t.path sign)
ap-abet:app
:: +mo-clear-queue: clear blocked tasks from the specified running agent.
::
++ mo-clear-queue
|= dap=term
^+ mo-core
?. (~(has by yokes.state) dap)
mo-core
?~ maybe-blocked=(~(get by blocked.state) dap)
mo-core
=/ blocked=(qeu blocked-move) u.maybe-blocked
|- ^+ mo-core
?: =(~ blocked)
=. blocked.state (~(del by blocked.state) dap)
mo-core
=^ [=duct =routes blocker=(each deal sign:agent)] blocked
~(get to blocked)
=/ =move
=/ =sock [attributing.routes our]
=/ card
?: ?=(%& -.blocker)
[%slip %g %deal sock dap p.blocker]
[%pass /clear-huck %b %huck %g %unto p.blocker]
[duct card]
$(moves [move moves])
:: +mo-filter-queue: remove all blocked tasks from ship.
::
++ mo-filter-queue
|= =ship
=/ agents=(list [name=term blocked=(qeu blocked-move)])
~(tap by blocked.state)
=| new-agents=(map term (qeu blocked-move))
|- ^+ mo-core
?~ agents
mo-core(blocked.state new-agents)
=| new-blocked=(qeu blocked-move)
|- ^+ mo-core
?: =(~ blocked.i.agents)
?~ new-blocked
^$(agents t.agents)
%= ^$
agents t.agents
new-agents (~(put by new-agents) name.i.agents new-blocked)
==
=^ mov=blocked-move blocked.i.agents ~(get to blocked.i.agents)
=? new-blocked !=(ship attributing.routes.mov)
(~(put to new-blocked) mov)
$
:: +mo-fade: put app to sleep
::
++ mo-fade
|= [dap=term style=?(%slay %idle %jolt)]
^+ mo-core
=/ =routes [disclosing=~ attributing=our]
=/ app (ap-abed:ap dap routes)
=. mo-core ap-abet:(ap-fade:app style)
=. mo-core
?- style
%slay mo-core(yokes.state (~(del by yokes.state) dap))
%idle mo-core
%jolt (mo-boot dap our %home)
==
=? mo-core !?=(%jolt style) (mo-subscribe-to-agent-builds now)
mo-core
:: +mo-beak: assemble a beak for the specified agent.
::
++ mo-beak
|= dap=term
^- beak
?^ yoke=(~(get by yokes.state) dap)
beak.u.yoke
:: XX this fallback is necessary, as .term could be either the source
:: or the destination app. ie, it might not exist locally ...
::
[our %home %da now]
:: +mo-peek: call to +ap-peek (which is not accessible outside of +mo).
::
++ mo-peek
~/ %mo-peek
|= [dap=term =routes care=term =path]
^- (unit (unit cage))
::
=/ app (ap-abed:ap dap routes)
(ap-peek:app care path)
::
++ mo-apply
|= [dap=term =routes =deal]
^+ mo-core
?- -.deal
?(%watch %watch-as %leave %poke)
(mo-apply-sure dap routes deal)
::
%raw-poke
=/ =case:clay da+now
=/ sky (rof ~ %cb [our %home case] /[mark.deal])
?- sky
?(~ [~ ~])
=/ ror "gall: raw-poke fail :{(trip dap)} {<mark.deal>}"
(mo-give %unto %poke-ack `[leaf+ror]~)
::
[~ ~ *]
=+ !<(=dais:clay q.u.u.sky)
=/ res (mule |.((vale:dais noun.deal)))
?: ?=(%| -.res)
=/ ror "gall: raw-poke vale fail :{(trip dap)} {<mark.deal>}"
(mo-give %unto %poke-ack `[leaf+ror p.res])
=. mo-core
%+ mo-pass /nowhere
[%c %warp our %home ~ %sing %b case /[mark.deal]]
(mo-apply-sure dap routes [%poke mark.deal p.res])
==
::
%poke-as
=/ =case:clay da+now
=/ =mars:clay [p.cage mark]:deal
=/ mars-path /[a.mars]/[b.mars]
=/ sky (rof ~ %cc [our %home case] mars-path)
?- sky
?(~ [~ ~])
=/ ror "gall: poke cast fail :{(trip dap)} {<mars>}"
(mo-give %unto %poke-ack `[leaf+ror]~)
::
[~ ~ *]
=+ !<(=tube:clay q.u.u.sky)
=/ res (mule |.((tube q.cage.deal)))
?: ?=(%| -.res)
=/ ror "gall: poke-as cast fail :{(trip dap)} {<mars>}"
(mo-give %unto %poke-ack `[leaf+ror p.res])
=. mo-core
%+ mo-pass /nowhere
[%c %warp our %home ~ %sing %c case /[a.mars]/[b.mars]]
(mo-apply-sure dap routes [%poke mark.deal p.res])
==
==
::
++ mo-apply-sure
|= [dap=term =routes =deal]
^+ mo-core
=/ app (ap-abed:ap dap routes)
=. app (ap-apply:app deal)
ap-abet:app
:: +mo-handle-local: handle locally.
::
:: If the agent is not running or blocked, assign it the supplied
:: +deal. Otherwise simply apply the action to the agent.
::
++ mo-handle-local
|= [=ship agent=term =deal]
^+ mo-core
::
=/ =routes [disclosing=~ attributing=ship]
=/ running (~(get by yokes.state) agent)
=/ is-running ?~(running %| ?=(%& -.agent.u.running))
=/ is-blocked (~(has by blocked.state) agent)
::
?: |(!is-running is-blocked)
=/ blocked=(qeu blocked-move)
=/ waiting (~(get by blocked.state) agent)
=/ deals (fall waiting *(qeu blocked-move))
=/ deal [hen routes &+deal]
(~(put to deals) deal)
::
%- (slog leaf+"gall: not running {<agent>} yet, got {<-.deal>}" ~)
%_ mo-core
blocked.state (~(put by blocked.state) agent blocked)
==
(mo-apply agent routes deal)
:: +mo-handle-ames-request: handle %ames request message.
::
++ mo-handle-ames-request
|= [=ship agent-name=term =ames-request]
^+ mo-core
:: %u/%leave gets automatically acked
::
=. mo-core (mo-track-ship ship)
=? mo-core ?=(%u -.ames-request) (mo-give %done ~)
::
=/ =wire /sys/req/(scot %p ship)/[agent-name]
::
=/ =deal
?- -.ames-request
%m [%raw-poke [mark noun]:ames-request]
%l [%watch-as [mark path]:ames-request]
%s [%watch path.ames-request]
%u [%leave ~]
==
(mo-pass wire %g %deal [ship our] agent-name deal)
:: +mo-handle-ames-response: handle ames response message.
::
++ mo-handle-ames-response
|= =ames-response
^+ mo-core
?- -.ames-response
:: %d: diff; ask clay to validate .noun as .mark
::
%d
=/ =case:clay da+now
=/ sky (rof ~ %cb [our %home case] /[mark.ames-response])
?- sky
?(~ [~ ~])
=/ ror "gall: ames mark fail {<mark.ames-response>}"
(mo-give %done `vale+[leaf+ror]~)
::
[~ ~ *]
=+ !<(=dais:clay q.u.u.sky)
=/ res (mule |.((vale:dais noun.ames-response)))
?: ?=(%| -.res)
=/ ror "gall: ames vale fail {<mark.deal>}"
(mo-give %done `vale+[leaf+ror p.res])
=. mo-core
%+ mo-pass /nowhere
[%c %warp our %home ~ %sing %b case /[mark.ames-response]]
(mo-give %unto %fact mark.ames-response p.res)
==
::
:: %x: kick; tell agent the publisher canceled the subscription
::
%x
(mo-give %unto %kick ~)
==
:: +ap: agent engine
::
:: An inner, agent-level core. The sample refers to the agent we're
:: currently focused on.
::
++ ap
~% %gall-ap +> ~
|_ $: agent-name=term
agent-routes=routes
agent-duct=duct
agent-moves=(list move)
agent-config=(list (each suss tang))
current-agent=yoke
==
++ ap-core .
:: +ap-abed: initialise state for an agent, with the supplied routes.
::
:: The agent must already be running in +gall -- here we simply update
:: +ap's state to focus on it.
::
++ ap-abed
~/ %ap-abed
|= [dap=term =routes]
^+ ap-core
(ap-yoke dap routes (~(got by yokes.state) dap))
:: +ap-hatch: initialize agent state from $egg, after upgrade
::
++ ap-abut
|= [dap=term =egg]
^+ ap-core
=/ =yoke
?: ?=(%| -.old-state.egg)
egg
=/ res (mo-scry-agent-cage dap da+now)
?: ?=(%| -.res)
(mean p.res)
egg(p.old-state `agent`p.res)
=/ =routes [disclosing=~ attributing=our]
(ap-yoke dap routes yoke)
:: +ap-yoke: initialize agent state, starting from a $yoke
::
++ ap-yoke
|= [dap=term =routes =yoke]
^+ ap-core
=. stats.yoke
:+ +(change.stats.yoke)
(shaz (mix (add dap change.stats.yoke) eny))
now
=. agent-name dap
=. agent-routes routes
=. current-agent yoke
=. agent-duct hen
ap-core
:: +ap-abet: resolve moves.
::
++ ap-abet
^+ mo-core
::
=/ running (~(put by yokes.state) agent-name current-agent)
=/ moves
=/ giver |=(report=(each suss tang) [hen %give %onto report])
=/ from-suss (turn agent-config giver)
:(weld agent-moves from-suss moves)
::
%_ mo-core
yokes.state running
moves moves
==
:: +ap-fade: put affairs in order.
::
:: For %gone, remove all incoming and outgoing subscriptions.
::
++ ap-fade
|= style=?(%slay %idle %jolt)
^+ ap-core
?- style
%jolt ap-core
%idle
=. agent.current-agent |+on-save:ap-agent-core
ap-core
::
%slay
=/ out=(list [[=wire =ship =term] ? =path])
~(tap by outbound.watches.current-agent)
=/ inbound-paths=(set path)
%- silt
%+ turn ~(tap by inbound.watches.current-agent)
|= [=duct =ship =path]
path
=/ will=(list card:agent:gall)
%+ welp
?: =(~ inbound-paths)
~
[%give %kick ~(tap in inbound-paths) ~]~
%+ turn ~(tap by outbound.watches.current-agent)
|= [[=wire =ship =term] ? =path]
[%pass wire %agent [ship term] %leave ~]
=^ maybe-tang ap-core (ap-ingest ~ |.([will *agent]))
ap-core
==
:: +ap-from-internal: internal move to move.
::
:: We convert from cards to duct-indexed moves when resolving
:: them in Arvo.
::
++ ap-from-internal
~/ %ap-from-internal
|= card=(wind neat gift:agent)
^- (list move)
::
?- -.card
%slip !!
::
%give
=/ =gift:agent p.card
?: ?=(%kick -.gift)
=/ ducts=(list duct) (ap-ducts-from-paths paths.gift ship.gift)
%+ turn ducts
|= =duct
~? &(=(duct system-duct.state) !=(agent-name %hood))
[%agent-giving-on-system-duct agent-name -.gift]
[duct %give %unto %kick ~]
::
?. ?=(%fact -.gift)
[agent-duct %give %unto gift]~
::
=/ ducts=(list duct) (ap-ducts-from-paths paths.gift ~)
=/ =cage cage.gift
%- zing
%+ turn ducts
|= =duct
~? &(=(duct system-duct.state) !=(agent-name %hood))
[%agent-giving-on-system-duct agent-name -.gift]
^- (list move)
=/ =mark
(~(gut by marks.current-agent) duct p.cage)
::
?: =(mark p.cage)
[duct %give %unto %fact cage.gift]~
=/ =mars:clay [p.cage mark]
=/ =case:clay da+now
=/ bek=beak [our %home case]
=/ mars-path /[a.mars]/[b.mars]
=/ sky (rof ~ %cc bek mars-path)
?- sky
?(~ [~ ~])
%- (slog leaf+"watch-as fact conversion find-fail" >sky< ~)
(ap-kill-up-slip duct)
::
[~ ~ *]
=+ !<(=tube:clay q.u.u.sky)
=/ res (mule |.((tube q.cage)))
?: ?=(%| -.res)
%- (slog leaf+"watch-as fact conversion failure" p.res)
(ap-kill-up-slip duct)
:~ [duct %pass /nowhere %c %warp our %home ~ %sing %c case mars-path]
[duct %give %unto %fact b.mars p.res]
==
==
::
%pass
=/ =duct system-duct.state
=/ =wire p.card
=/ =neat q.card
=. wire
?: ?=(%agent -.neat)
[%out (scot %p ship.neat) name.neat wire]
[(scot %p attributing.agent-routes) wire]
=. wire [%use agent-name nonce.current-agent wire]
=/ =note-arvo
?- -.neat
%arvo note-arvo.neat
%agent [%g %deal [our ship.neat] [name deal]:neat]
==
[duct %pass wire note-arvo]~
==
:: +ap-breach: ship breached, so forget about them
::
++ ap-breach
|= =ship
^+ ap-core
=/ in=(list [=duct =^ship =path])
~(tap by inbound.watches.current-agent)
|- ^+ ap-core
?^ in
=? ap-core =(ship ship.i.in)
=/ core ap-load-delete(agent-duct duct.i.in)
core(agent-duct agent-duct)
$(in t.in)
::
=/ out=(list [[=wire =^ship =term] ? =path])
~(tap by outbound.watches.current-agent)
|- ^+ ap-core
?~ out
ap-core
=? ap-core =(ship ship.i.out)
=/ core
=. agent-duct system-duct.state
=/ way [%out (scot %p ship) term.i.out wire.i.out]
(ap-specific-take way %kick ~)
core(agent-duct agent-duct)
$(out t.out)
:: +ap-clog: handle %clog notification from ames
::
:: Kills subscriptions from .ship in both directions:
:: - notifies local app that subscription is dead
:: - gives remote %quit to notify subscriber ship
:: TODO: %drip local app notification for error isolation
::
++ ap-clog
|= =ship
^+ ap-core
::
=/ in=(list [=duct =^ship =path])
~(tap by inbound.watches.current-agent)
|- ^+ ap-core
?~ in ap-core
::
=? ap-core =(ship ship.i.in)
=/ core ap-kill-up(agent-duct duct.i.in)
core(agent-duct agent-duct)
$(in t.in)
:: +ap-agent-core: agent core with current bowl and state
::
++ ap-agent-core
?> ?=(%& -.agent.current-agent)
~(. p.agent.current-agent ap-construct-bowl)
:: +ap-ducts-from-paths: get ducts subscribed to paths
::
++ ap-ducts-from-paths
|= [target-paths=(list path) target-ship=(unit ship)]
^- (list duct)
?~ target-paths
?~ target-ship
~[agent-duct]
%+ murn ~(tap by inbound.watches.current-agent)
|= [=duct =ship =path]
^- (unit ^duct)
?: =(target-ship `ship)
`duct
~
%- zing
%+ turn target-paths
|= =path
(ap-ducts-from-path path target-ship)
:: +ap-ducts-from-path: get ducts subscribed to path
::
++ ap-ducts-from-path
|= [target-path=path target-ship=(unit ship)]
^- (list duct)
%+ murn ~(tap by inbound.watches.current-agent)
|= [=duct =ship =path]
^- (unit ^duct)
?: ?& =(target-path path)
|(=(target-ship ~) =(target-ship `ship))
==
`duct
~
:: +ap-apply: apply effect.
::
++ ap-apply
|= =deal
^+ ap-core
?- -.deal
%watch-as (ap-subscribe-as +.deal)
%poke (ap-poke +.deal)
%watch (ap-subscribe +.deal)
%raw-poke !!
%poke-as !!
%leave ap-load-delete
==
:: +ap-peek: peek.
::
++ ap-peek
~/ %ap-peek
|= [care=term tyl=path]
^- (unit (unit cage))
:: take trailing mark off path for %x scrys
::
=^ want=mark tyl
?. ?=(%x care) [%$ tyl]
=. tyl (flop tyl)
[(head tyl) (flop (tail tyl))]
:: call the app's +on-peek, producing [~ ~] if it crashes
::
=/ peek-result=(each (unit (unit cage)) tang)
(ap-mule-peek |.((on-peek:ap-agent-core [care tyl])))
?: ?=(%| -.peek-result)
((slog leaf+"peek bad result" p.peek-result) [~ ~])
:: for non-%x scries, or failed %x scries, or %x results that already
:: have the requested mark, produce the result as-is
::
?. ?& ?=(%x care)
?=([~ ~ *] p.peek-result)
!=(mark p.u.u.p.peek-result)
==
p.peek-result
:: for %x scries, attempt to convert to the requested mark if needed
::
=* have p.u.u.p.peek-result
=* vase q.u.u.p.peek-result
=/ tub=(unit tube:clay)
?: =(have want) `(bake same ^vase)
=/ tuc=(unit (unit cage))
(rof ~ %cc [our %home da+now] /[have]/[want])
?. ?=([~ ~ *] tuc) ~
`!<(tube:clay q.u.u.tuc)
?~ tub
((slog leaf+"peek no tube from {(trip have)} to {(trip want)}" ~) ~)
=/ res (mule |.((u.tub vase)))
?: ?=(%& -.res)
``want^p.res
((slog leaf+"peek failed tube from {(trip have)} to {(trip want)}" ~) ~)
:: +ap-update-subscription: update subscription.
::
++ ap-update-subscription
~/ %ap-update-subscription
|= [is-ok=? =other=ship other-agent=term =wire]
^+ ap-core
?: is-ok
ap-core
(ap-kill-down wire [other-ship other-agent])
:: +ap-give: return result.
::
++ ap-give
|= =gift:agent
^+ ap-core
=/ internal-moves
(weld (ap-from-internal %give gift) agent-moves)
ap-core(agent-moves internal-moves)
:: +ap-construct-bowl: set up bowl.
::
++ ap-construct-bowl
^- bowl
:* :* our :: host
attributing.agent-routes :: guest
agent-name :: agent
== ::
:* wex=outbound.watches.current-agent :: outgoing
sup=inbound.watches.current-agent :: incoming
== ::
:* act=change.stats.current-agent :: tick
eny=eny.stats.current-agent :: nonce
now=time.stats.current-agent :: time
byk=beak.current-agent :: source
== ==
:: +ap-pass: request action.
::
++ ap-pass
|= [=path =neat]
^+ ap-core
=/ internal-moves
(ap-from-internal %pass path neat)
ap-core(agent-moves (weld internal-moves agent-moves))
:: +ap-reinstall: reinstall.
::
++ ap-reinstall
~/ %ap-reinstall
|= =agent
^+ ap-core
=/ old-state=vase
?: ?=(%& -.agent.current-agent)
on-save:ap-agent-core
p.agent.current-agent
=^ error ap-core
(ap-install(agent.current-agent &+agent) `old-state)
?~ error
ap-core
(mean >%load-failed< u.error)
:: +ap-subscribe-as: apply %watch-as.
::
++ ap-subscribe-as
|= [=mark =path]
^+ ap-core
=. marks.current-agent (~(put by marks.current-agent) agent-duct mark)
(ap-subscribe path)
:: +ap-subscribe: apply %watch.
::
++ ap-subscribe
~/ %ap-subscribe
|= pax=path
^+ ap-core
=/ incoming [attributing.agent-routes pax]
=. inbound.watches.current-agent
(~(put by inbound.watches.current-agent) agent-duct incoming)
=^ maybe-tang ap-core
%+ ap-ingest %watch-ack |.
(on-watch:ap-agent-core pax)
?^ maybe-tang
ap-silent-delete
ap-core
:: +ap-poke: apply %poke.
::
++ ap-poke
~/ %ap-poke
|= =cage
^+ ap-core
=^ maybe-tang ap-core
%+ ap-ingest %poke-ack |.
(on-poke:ap-agent-core cage)
ap-core
:: +ap-error: pour error.
::
++ ap-error
|= [=term =tang]
^+ ap-core
=/ form |=(=tank [%rose [~ "! " ~] tank ~])
=^ maybe-tang ap-core
%+ ap-ingest ~ |.
(on-fail:ap-agent-core term (turn tang form))
ap-core
:: +ap-generic-take: generic take.
::
++ ap-generic-take
~/ %ap-generic-take
|= [=wire =sign-arvo]
^+ ap-core
=^ maybe-tang ap-core
%+ ap-ingest ~ |.
(on-arvo:ap-agent-core wire sign-arvo)
?^ maybe-tang
(ap-error %arvo-response u.maybe-tang)
ap-core
:: +ap-specific-take: specific take.
::
++ ap-specific-take
|= [=wire =sign:agent]
^+ ap-core
~| wire=wire
?> ?=([%out @ @ *] wire)
=/ other-ship (slav %p i.t.wire)
=/ other-agent i.t.t.wire
=/ =dock [other-ship other-agent]
=/ agent-wire t.t.t.wire
:: if subscription ack or close, handle before calling user code
::
=? outbound.watches.current-agent ?=(%kick -.sign)
%- ~(del by outbound.watches.current-agent)
[agent-wire dock]
?: ?& ?=(%watch-ack -.sign)
!(~(has by outbound.watches.current-agent) [agent-wire dock])
==
%- %: slog
leaf+"{<agent-name>}: got ack for nonexistent subscription"
leaf+"{<dock>}: {<agent-wire>}"
>wire=wire<
~
==
ap-core
::
=? outbound.watches.current-agent ?=(%watch-ack -.sign)
?^ p.sign
%- ~(del by outbound.watches.current-agent)
[agent-wire dock]
%+ ~(jab by outbound.watches.current-agent) [agent-wire dock]
|= [acked=? =path]
=. .
?. acked
.
%- =/ =tape
"{<agent-name>}: received 2nd watch-ack on {<wire dock path>}"
(slog leaf+tape ~)
.
[& path]
::
=^ maybe-tang ap-core
%+ ap-ingest ~ |.
(on-agent:ap-agent-core agent-wire sign)
:: if failed %fact handling, kill subscription
::
=? ap-core ?=(%fact -.sign)
(ap-update-subscription =(~ maybe-tang) p.dock q.dock agent-wire)
?^ maybe-tang
(ap-error -.sign leaf/"closing subscription" u.maybe-tang)
ap-core
:: +ap-install: install wrapper.
::
++ ap-install
|= old-agent-state=(unit vase)
^- [(unit tang) _ap-core]
::
=^ maybe-tang ap-core (ap-upgrade-state old-agent-state)
::
=. agent-config
=/ =term ?~(old-agent-state %boot %bump)
=/ possibly-suss
?~ maybe-tang
=/ =suss [agent-name term now]
[%.y suss]
[%.n u.maybe-tang]
[possibly-suss agent-config]
::
[maybe-tang ap-core]
:: +ap-upgrade-state: low-level install.
::
++ ap-upgrade-state
~/ %ap-upgrade-state
|= maybe-vase=(unit vase)
^- [(unit tang) _ap-core]
::
=^ maybe-tang ap-core
%+ ap-ingest ~
?~ maybe-vase
|. on-init:ap-agent-core
|. (on-load:ap-agent-core u.maybe-vase)
[maybe-tang ap-core]
:: +ap-silent-delete: silent delete.
::
++ ap-silent-delete
^+ ap-core
::
%= ap-core
inbound.watches.current-agent
(~(del by inbound.watches.current-agent) agent-duct)
==
:: +ap-load-delete: load delete.
::
++ ap-load-delete
^+ ap-core
::
=/ maybe-incoming
(~(get by inbound.watches.current-agent) agent-duct)
?~ maybe-incoming
ap-core
::
=/ incoming u.maybe-incoming
=. inbound.watches.current-agent
(~(del by inbound.watches.current-agent) agent-duct)
::
=^ maybe-tang ap-core
%+ ap-ingest ~ |.
(on-leave:ap-agent-core q.incoming)
?^ maybe-tang
(ap-error %leave u.maybe-tang)
ap-core
:: +ap-kill-up: 2-sided kill from publisher side
::
++ ap-kill-up
^+ ap-core
::
=> ap-load-delete
(ap-give %kick ~ ~)
:: +ap-kill-up-slip: 2-sided kill from publisher side by slip
::
:: +ap-kill-up is reentrant if you call it in the
:: middle of processing another deal
::
:: Should probably call +ap-error with error message
::
++ ap-kill-up-slip
|= =duct
^- (list move)
::
:~ [duct %slip %g %deal [our our] agent-name %leave ~]
[duct %give %unto %kick ~]
==
:: +ap-kill-down: 2-sided kill from subscriber side
::
:: Must process leave first in case kick handler rewatches.
::
++ ap-kill-down
|= [=wire =dock]
^+ ap-core
::
=. ap-core
(ap-pass wire %agent dock %leave ~)
=/ way [%out (scot %p p.dock) q.dock wire]
(ap-pass way %arvo %b %huck `sign-arvo`[%g %unto %kick ~])
:: +ap-mule: run virtualized with intercepted scry, preserving type
::
:: Compare +mute and +mule. Those pass through scry, which
:: doesn't allow us to catch crashes due to blocking scry. If
:: you intercept scry, you can't preserve the type
:: polymorphically. By monomorphizing, we are able to do so
:: safely.
::
++ ap-mule
|= run=_^?(|.(*step:agent))
^- (each step:agent tang)
=/ res (mock [run %9 2 %0 1] (look rof ~))
?- -.res
%0 [%& !<(step:agent [-:!>(*step:agent) p.res])]
%1 [%| (smyt ;;(path p.res)) ~]
%2 [%| p.res]
==
:: +ap-mule-peek: same as +ap-mule but for (unit (unit cage))
::
++ ap-mule-peek
|= run=_^?(|.(*(unit (unit cage))))
^- (each (unit (unit cage)) tang)
=/ res (mock [run %9 2 %0 1] (look rof ~))
?- -.res
%0 [%& !<((unit (unit cage)) [-:!>(*(unit (unit cage))) p.res])]
%1 [%| (smyt ;;(path p.res)) ~]
%2 [%| p.res]
==
:: +ap-ingest: call agent arm
::
:: Handle acks here because they need to be emitted before the
:: rest of the moves.
::
++ ap-ingest
|= [ack=?(%poke-ack %watch-ack ~) run=_^?(|.(*step:agent))]
^- [(unit tang) _ap-core]
=/ result (ap-mule run)
=^ new-moves ap-core (ap-handle-result result)
=/ maybe-tang=(unit tang)
?: ?=(%& -.result)
~
`p.result
=/ ack-moves=(list move)
%- zing
%- turn :_ ap-from-internal
^- (list card:agent)
?- ack
~ ~
%poke-ack [%give %poke-ack maybe-tang]~
%watch-ack [%give %watch-ack maybe-tang]~
==
::
=. agent-moves
:(weld (flop new-moves) ack-moves agent-moves)
[maybe-tang ap-core]
:: +ap-handle-result: handle result.
::
++ ap-handle-result
~/ %ap-handle-result
|= result=(each step:agent tang)
^- [(list move) _ap-core]
?: ?=(%| -.result)
`ap-core
::
=. agent.current-agent &++.p.result
=/ moves (zing (turn -.p.result ap-from-internal))
=. inbound.watches.current-agent
(ap-handle-kicks moves)
(ap-handle-peers moves)
:: +ap-handle-kicks: handle cancels of inbound.watches
::
++ ap-handle-kicks
~/ %ap-handle-kicks
|= moves=(list move)
^- bitt
=/ quits=(list duct)
%+ murn moves
|= =move
^- (unit duct)
?. ?=([* %give %unto %kick *] move)
~
`duct.move
::
=/ quit-map=bitt
(malt (turn quits |=(=duct [duct *[ship path]])))
(~(dif by inbound.watches.current-agent) quit-map)
:: +ap-handle-peers: handle new outbound.watches
::
++ ap-handle-peers
~/ %ap-handle-peers
|= moves=(list move)
^- [(list move) _ap-core]
=| new-moves=(list move)
|- ^- [(list move) _ap-core]
?~ moves
[(flop new-moves) ap-core]
=/ =move i.moves
?: ?=([* %pass * %g %deal * * %leave *] move)
=/ =wire p.move.move
?> ?=([%use @ @ %out @ @ *] wire)
=/ short-wire t.t.t.t.t.t.wire
=/ =dock [q.p q]:q.move.move
=. outbound.watches.current-agent
(~(del by outbound.watches.current-agent) [short-wire dock])
$(moves t.moves, new-moves [move new-moves])
?. ?=([* %pass * %g %deal * * ?(%watch %watch-as) *] move)
$(moves t.moves, new-moves [move new-moves])
=/ =wire p.move.move
?> ?=([%use @ @ %out @ @ *] wire)
=/ short-wire t.t.t.t.t.t.wire
=/ =dock [q.p q]:q.move.move
=/ =path
?- -.r.q.move.move
%watch path.r.q.move.move
%watch-as path.r.q.move.move
==
?: (~(has by outbound.watches.current-agent) short-wire dock)
=. ap-core
=/ =tang
~[leaf+"subscribe wire not unique" >agent-name< >short-wire< >dock<]
=/ have
(~(got by outbound.watches.current-agent) short-wire dock)
%- (slog >out=have< tang)
(ap-error %watch-not-unique tang) :: reentrant, maybe bad?
$(moves t.moves)
=. outbound.watches.current-agent
(~(put by outbound.watches.current-agent) [short-wire dock] [| path])
$(moves t.moves, new-moves [move new-moves])
--
--
:: +call: request
::
++ call
~% %gall-call +> ~
|= [=duct dud=(unit goof) hic=(hobo task)]
^- [(list move) _gall-payload]
?^ dud
~|(%gall-call-dud (mean tang.u.dud))
::
~| [%gall-call-failed duct hic]
=/ =task ((harden task) hic)
::
=/ mo-core (mo-abed:mo duct)
?- -.task
%conf mo-abet:(mo-boot:mo-core dap.task our %home)
%deal
=/ [=sock =term =deal] [p q r]:task
?. =(q.sock our)
?> =(p.sock our)
mo-abet:(mo-send-foreign-request:mo-core q.sock term deal)
mo-abet:(mo-handle-local:mo-core p.sock term deal)
::
%goad mo-abet:(mo-goad:mo-core agent.task)
%init [~ gall-payload(system-duct.state duct)]
%plea
=/ =ship ship.task
=/ =path path.plea.task
=/ =noun payload.plea.task
::
~| [ship=ship plea-path=path]
?> ?=([%ge @ ~] path)
=/ agent-name i.t.path
::
=+ ;;(=ames-request-all noun)
?> ?=(%0 -.ames-request-all)
=> (mo-handle-ames-request:mo-core ship agent-name +.ames-request-all)
mo-abet
::
%sear mo-abet:(mo-filter-queue:mo-core ship.task)
%fade mo-abet:(mo-fade:mo-core dap.task style.task)
%trim [~ gall-payload]
%vega [~ gall-payload]
==
:: +load: recreate vane; note, only valid if called from pupa
::
++ load !!
:: +scry: standard scry
::
++ scry
~/ %gall-scry
|= [lyc=gang cyr=term bem=beam]
^- (unit (unit cage))
=* care cyr
=/ =shop &/p.bem
=* dap q.bem
=/ =coin $/r.bem
=* path s.bem
::
?. ?=(%.y -.shop)
~
=/ =ship p.shop
?: &(=(care %$) =(path /whey))
=/ blocked
=/ queued (~(run by blocked.state) |=((qeu blocked-move) [%.y +<]))
(sort ~(tap by queued) aor)
::
=/ running
=/ active (~(run by yokes.state) |=(yoke [%.y +<]))
(sort ~(tap by active) aor)
::
=/ maz=(list mass)
:~ [%foreign %.y contacts.state]
[%blocked %.n blocked]
[%active %.n running]
==
``mass+!>(maz)
::
?: ?& =(%u care)
=(~ path)
=([%$ %da now] coin)
=(our ship)
==
[~ ~ noun+!>((~(has by yokes.state) dap))]
::
?. =(our ship)
~
?. =([%$ %da now] coin)
~
?. (~(has by yokes.state) dap)
[~ ~]
?. ?=(^ path)
~
=/ =routes [~ ship]
(mo-peek:mo dap routes care path)
:: +stay: save without cache
::
++ stay
^- spore
=; eggs=(map term egg) [- | +]:state(yokes eggs)
%- ~(run by yokes.state)
|= =yoke
^- egg
%= yoke
agent
?: ?=(%& -.agent.yoke)
[%& on-save:p.agent.yoke]
[%| p.agent.yoke]
==
:: +take: response
::
++ take
~/ %gall-take
|= [=wire =duct dud=(unit goof) syn=sign-arvo]
^- [(list move) _gall-payload]
?^ dud
~&(%gall-take-dud ((slog tang.u.dud) [~ gall-payload]))
?: =(/nowhere wire)
[~ gall-payload]
::
~| [%gall-take-failed wire]
?> ?=([?(%sys %use) *] wire)
=< mo-abet
%. [t.wire ?:(?=([%b %heck *] syn) syn.syn syn)]
?- i.wire
%sys mo-handle-sys:(mo-abed:mo duct)
%use mo-handle-use:(mo-abed:mo duct)
==
--
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