shrub/sys/parv.hoon
2017-02-23 18:42:58 -08:00

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!: :: /sys/arvo
:: :: !%reference/2
:: %arvo: arvo microkernel.
::
=< :: this lifecycle wrapper makes the arvo door
:: (multi-armed core) look like a gate (function
:: or single-armed core), to fit urbit's formal
:: lifecycle function. a practical interpreter
:: can ignore it.
::
|= {now/@da ovo/ovum}
^+ .
~> %slog.[0 leaf+"arvo-event"]
:: XX .(+> +:(poke now ovo)) REMOVE BEFORE USE
.
=>
:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (1) public molds
:: :: ::
|%
++ arms (map chip dope) :: stated identity
++ bait :: analysis state
$: now/@da :: date
eny/@uvJ :: entropy
sky/roof :: namespace
== ::
++ card {p/@tas q/*} :: tagged event
++ case :: version
$% {$da p/@da} :: date
{$tas p/@tas} :: label
{$ud p/@ud} :: sequence
== ::
++ chip :: standard identity
$? $giv :: given name
$fam :: surname
$had :: fictitious name
$mid :: middle name
$gen :: generational suffix
== ::
++ desk @tas :: ship desk case spur
++ dope (pair @tas @t) :: term/unicode pair
++ duct (list wire) :: causal history
++ ovum (pair wire card) :: input or output
++ plum (pair term noun) :: deep file
++ ruby @pG :: 64-bit passcode
++ roof :: namespace
$- $: lyc/(unit (set ship)) :: leakset
car/term :: perspective
bem/beam :: path
== ::
%- unit :: ~: unknown
%- unit :: ~ ~: invalid
cage :: marked vase
:: ::
++ ship @p :: network identity
++ wire path :: cause
-- =>
:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (2) state molds
:: :: ::
|%
++ boot (pair (unit hoof) hoof) :: hoon/arvo boot src
++ evil :: evolvable state
|* {span/_span twig/_twig vase/_vase} :: injected molds
|% ::
++ mall :: any arvo version
$? {$293 mast} :: kelvin 293, current
== ::
++ mast :: system state
$: $= gut :: abdomen
$: run/(list move) :: worklist
out/(list ovum) :: unix output
but/(unit boot) :: reboot
== ::
$= hax :: thorax
$: sac/worm :: compiler cache
kit/toys :: common nouns
== ::
$= bug :: insect brain
$: noc/@ta :: process nonce
ver/(qual @tas @ud @ud @ud) :: vendor/version
== ::
$= mal :: mammal brain
$: off/? :: not yet booted
lac/? :: not verbose
eny/@uvJ :: 512-bit entropy
yor/vase :: %york, vane models
zus/vase :: %zuse, user lib
van/(map term vase) :: vanes
== ::
$= rep :: reptile brain
$: orb/@p :: ship
nym/arms :: name information
roy/(map @ud ruby) :: start secrets
fat/(map path (pair term noun)) :: boot filesystem
== == ::
++ mill (each vase milo) :: vase or metavase
++ milo {p/* q/*} :: untyped metavase
++ move (pair duct part) :: vane move
++ part :: arvo vane move
$% {$give p/mill} :: vane "return"
{$pass p/wire q/(pair term mill)} :: vane "call"
== ::
++ toys :: reflexive constants
$: typ/span :: -:!>(*span)
duc/span :: -:!>(*duct)
pah/span :: -:!>(*path)
mev/span :: -:!>([%meta *vase])
== ::
++ worm :: compiler cache
$: nes/(set ^) :: ++nest
pay/(map (pair span twig) span) :: ++play
mit/(map (pair span twig) (pair span nock)) :: ++mint
== ::
-- ::
++ hoof @t :: hoon source file
++ live (evil) :: modern molds
++ vane :: kernel module
$_ ^? :: totally decorative
|% ::
++ load $-(* _+>) :: reload
++ stay ** :: preserve
++ work ::
|_ bait
++ doze *@da
++ scry roof
++ spin
|_ $: :: hen: cause of this
:: moz:
::
hen/duct
moz/(list move)
==
++ call
|= fav/card
^+ +>
!!
++ take
|= {tea/wire fav/card}
^+ +>
!!
--
--
--
++ vile (evil typo twit vise) :: old molds
++ wasp :: arvo effect
$% {$walk $~} :: finish mammal brain
{$what p/(list (pair path (pair term noun)))} :: put reptile files
{$whom p/@p q/arms r/(map @ud ruby)} :: put reptile identity
{$woke $~} :: finish booting
== ::
--
:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (2) engines
:: :: ::
|%
:: :: ++le
++ le :: deep engine
=+ [now=*@da *mast:live]
=* ::
:: sys: system state
::
sys ->
|%
:: :: ++abet:le
++ abet :: complete cycle
^- {(pair (unit boot) (list ovum)) _sys}
:- [but.gut (flop out.gut)]
sys(out.gut ~, but.gut ~)
:: :: ++emit:le
++ emit :: emit move
|= mov/move:live
+>(run.gut [mov run.gut])
:: :: ++pike:le
++ pike :: event to %pass
|= $: :: way: event route
:: now: date
:: ovo: input ovum
::
way/@tas
now/@da
ovo/ovum
==
^+ +>
:: print event if in verbose mode
::
~? &(!lac.mal !=(%belt -.q.ovo)) [%unix -.q.ovo p.ovo]
::
:: vax: card as vase
::
=^ vax +> (open q.ovo)
::
:: hen: fundamental cause (unix input channel)
:: tea: local cause (unix i/o)
:: mov: action (pass into event route)
::
=* hen `duct`[p.ovo ~]
=* tea `wire`[%$ %unix ~]
=* mov `move:live`[hen %pass tea way %& vax]
::
:: push move on stack, and work.
::
work:(emit mov)
:: :: ++open:le
++ open :: input card to move
|= fav/card
^- {vase _+>}
?< off.mal
::
:: gat: mold for correct unix task
:: vax: molded card
::
=^ gat sac.hax (~(slap wa sac.hax) zus.mal [%limb %unix-task])
=/ vax (slam gat [%noun fav])
~| [%le-open -.fav]
?> =(fav q.vax)
[vax +>.$]
:: :: ++poke:le
++ poke :: event from unix
|= $: :: now: event date
:: ovo: event
::
now/@da
ovo/ovum
==
^+ +>
~| [%poke -.ovo]
?+ -.q.ovo !!
::
:: unix input, send to vane
::
$belt (pike %dill now ovo)
$blew (pike %dill now ovo)
$born (pike %eyre now ovo)
$hail (pike %dill now ovo)
$hear (pike %ames now ovo)
$hook (pike %dill now ovo)
$into (pike %clay now ovo)
$they (pike %eyre now ovo)
$this (pike %eyre now ovo)
$thus (pike %eyre now ovo)
::
?($what $whom)
=/ wap ((hard wasp) ovo)
=* tea `wire`[%$ %init ~]
=* hen `duct`[tea [p.ovo ~]]
=* mov `move:live`[hen %give %& !>(wap)]
(emit mov)
==
:: :: ++va:le
++ va :: vane engine
|_ $: :: way: vane name, eg `%ames`
:: vax: vane, or vane builder if `off.mal`
::
way/term
vax/vase
==
:: :: ++va-abet:va:le
++ va-abet :: resolve
^+ ..va
..va(van.mal (~(put by van.mal) way vax))
:: :: ++va-amid:va:le
++ va-amid :: load existing
|= way/term
^+ +>
?< off.mal
+>(way way, vax (~(got by van.mal) way))
:: :: ++va-abut:va:le
++ va-apex :: boot / reboot
|= $: way/term
src/hoof
==
^+ +>
=. ^way way
=/ bun (~(get by van.mal) way)
?~ bun
(va-create src)
(va-update(vax u.bun) src)
:: :: ++va-active:va:le
++ va-plow :: activated vane
|= bait
::
:: wok: working vase
::
=/ wok ^- vase
!!
|%
:: :: ++doze:va-work:va:le
++ doze :: request wakeup at
^- (unit @da)
!!
:: :: ++scry:va-work:va:le
++ scry :: internal peek
|= $: :: lyc: set of outputs
::
lyc/(unit (set ship))
car/term
bem/beam
==
^- (unit (unit cage))
!!
:: :: ++walk:va-work:va:le
++ walk :: causal action
|= hen/duct
::
:: fox: running vase
::
=/ fox ^- vase
!!
|%
:: :: ++abet:walk:va-work:
++ abet :: integrate
^+ ..va
!!
:: :: ++call:walk:va-work:
++ call ::
|= hil/mill
^+ +>
!!
:: :: ++take:walk:va-work:
++ take ::
|= {tea/wire hil/mill}
^+ +>
!!
--
--
:: :: ++va-create:va:le
++ va-create :: compile new vase
|= src/hoof
^+ +>
:: no existing vase; compile new vase
::
~& [%vase-compile way `@p`(mug src)]
=. vax (slap zus.mal (ream src))
?: off.mal
+>
:: initialize vane
::
va-settle
:: :: ++va-settle:va:le
++ va-settle :: initialize with ship
^+ .
.(vax (slam vax !>(orb.rep)))
:: :: ++va-update
++ va-update :: replace existing
|= src/hoof
^+ +>
?: off.mal
:: replacing unbooted, weird but ok
::
(va-create src)
::
:: out: saved state from old vane
::
=+ out=(slap vax [%limb %stay])
::
:: replace `vax` with new empty vane
::
=. +>.$ (va-create src)
::
:: initialize new vane with old state
::
+>.$(vax (slam (slap vax [%limb %come]) out))
--
:: :: ++warp:le
++ warp :: arvo effect
|= {hen/duct wap/wasp}
^+ +>
?+ -.wap !!
$what (what hen p.wap)
$whom (whom hen p.wap q.wap r.wap)
==
:: :: ++whom:le
++ whom :: initialize identity
|= {hen/duct our/@p nym/arms sec/(map @ud ruby)}
^+ +>
:: XX don't forget to keep working
!!
:: :: ++wile:le
++ wile :: mill as card
|= hil/mill
^- card
::
:: XX actually check card nature
::
?- -.hil
$| ((hard card) q.p.hil)
$& ((hard card) q.p.hil)
==
:: :: ++wilt:le
++ wilt :: deep file as source
|= pet/plum
^- hoof
?>(?=({$hoon @tas} pet) +.pet)
:: :: ++wise:le
++ wise :: load/reload vane
|= {way/term src/hoof}
^+ +>
va-abet:(va-apex:va way src)
:: :: ++what:le
++ what :: write deep storage
|= {hen/duct fal/(list (pair path plum))}
^+ +>
:: dev: collated `fal`
::
=/ dev
=| $= dev
$: :: use: non-system files
:: new: system installs
:: rep: system replacements
::
use/(map path plum)
new/(map path plum)
rez/(map path plum)
==
|- ^+ dev
?~ fal dev
::
:: pax: path of this file
:: pet: value of this file
::
=+ [pax pet]=[p q]:i.fal
=> .(fal t.fal)
::
:: old: current value in deep storage
::
=+ old=(~(get by fat.rep) pax)
::
:: ignore unchanged data
::
?: =(old `pet) $
::
:: classify as user, system install or replacement
::
?. ?=({$sys *} pax)
$(use.dev (~(put by use.dev) pax pet))
?~ old
$(new.dev (~(put by new.dev) pax pet))
$(rez.dev (~(put by rez.dev) pax pet))
::
:: just adopt user changes, which have no systems impact
::
=. fat.rep (~(uni by fat.rep) use.dev)
::
:: but: kernel reboot operation, if any
::
=/ but
^- (unit boot:live)
=/ hun (~(get by rez.dev) /sys/hoon)
=/ arv (~(get by rez.dev) /sys/arvo)
?~ hun
?~ arv ~
::
:: light reboot, arvo only
::
`[~ (wilt u.arv)]
::
:: heavy reboot, hoon and arvo
::
`[`(wilt u.hun) (wilt ?^(arv u.arv (~(got by fat.rep) /sys/arvo)))]
?^ but
:: stop working and set up reboot
::
%= +>.$
:: set boot hook for termination
::
but.gut ?>(=(~ but.gut) but)
::
:: execute write after reboot
::
run.gut :: syt: all systems changes
::
=* syt (~(tap by (~(uni by rez.dev) new.dev)))
:_ run.gut
`move:live`[hen %give %& !>([%what syt])]
::
:: delete reboot source files from deep
:: storage, so install causes vane upgrade,
:: and *does not* cause repeat kernel upgrade.
::
fat.rep ?~ p.u.but
fat.rep
(~(del by fat.rep) /sys/hoon)
==
:: keep working after vane upgrades
::
=< work
::
:: job: plan for upgrading
::
=/ job
^- $: yor/(unit hoof)
zus/(unit hoof)
vat/(list (pair term hoof))
==
=< [yor zus (~(tap by van))]
:: yor: reload shared structures
:: zus: reload shared library
:: vat: replacement map
::
=/ yor (bind (~(get by rez.dev) /sys/york) wilt)
=/ zus (bind (~(get by rez.dev) /sys/zuse) wilt)
::
:: %york is the subject of %zuse
::
=. zus ?^(zus zus ?~(yor ~ `(wilt (~(got by fat.rep) /sys/zuse))))
::
:: vat: all vane upgrades, as [initial name source]
::
=/ van
:: zyr: all system file replacements
:: van: accumulated upgrades
::
=/ zyr (~(tap by rez.dev))
=| van/(map @tas hoof)
|- ^+ van
?^ zyr
:: mor: process rest of `zyr`
::
=/ mor $(zyr t.zyr)
?. ?=({$sys $van @tas $~} p.i.zyr)
mor
::
:: replaced vane in `/sys/vane/*/[nam]`
::
=* nam `term`i.t.t.p.i.zyr
(~(put in mor) nam (wilt q.i.zyr))
::
:: reload current vanes if needed
::
?. |((~(has by new.dev) /sys/hoon) ?=(^ zus))
::
:: we didn't replace compiler, %york or %zuse
van
::
:: also reboot any vanes not already rebooted
::
%- ~(gas by van)
%+ skip
^- (list (pair term hoof))
%+ turn (~(tap by van.mal))
|= {way/term vax/vase}
[way (wilt (~(got by fat.rep) [%sys %van way ~]))]
|= {way/term src/hoof}
(~(has in van) way)
.
::
:: upgrade %york, vane shared structures
::
=> ?~ yor.job .
%= .
yor.mal ~& [%york-boot `@p`(mug u.yor.job)]
(slap !>(..arms) (ream u.yor.job))
==
::
:: upgrade %zuse, vane shared libraries
::
=> ?~ zus.job .
%= .
zus.mal ~& [%zuse-boot `@p`(mug u.zus.job)]
(slap yor.mal (ream u.zus.job))
==
::
:: upgrade all indicated vanes
::
|- ^+ +>.^$
?~ vat.job +>.^$
~& [%vane-boot p.i.vat.job `@p`(mug q.i.vat.job)]
$(vat.job t.vat.job, +>.^$ (wise i.vat.job))
:: :: ++unix:le
++ unix :: return to unix
|= {hen/duct fav/card}
^+ +>
?> ?=({* $~} hen)
work(out.gut [[i.hen fav] out.gut])
:: :: ++call:le
++ call :: forward to vane
|= {hen/duct way/term hil/mill}
^+ +>
=> (call:(walk:(va-plow:(va-amid:va way) now eny.mal peek) hen) hil)
abet
:: :: ++grow:le
++ grow :: hardcoded prefixes
|= lay/term
^- term
?+ lay !!
$a %ames
$b %behn
$c %clay
$d %dill
$e %eyre
$f %ford
$g %gall
$j %jael
==
:: :: ++peek:le
++ peek :: namespace
|= $: :: lyc: other ships result may leak to
:: cyr: general perspective, eg %cx
:: bem: name
::
lyc/(unit (set ship)) :: leakset
cyr/term :: full perspective
bem/beam :: path
==
^- (unit (unit cage))
::
:: way: vane to look in
:: car: perspective within vane
::
=+ way=(grow (end 3 1 cyr))
=+ car=(rsh 3 1 cyr)
(scry:(va-plow:(va-amid:va way) now `@`0 peek) lyc car bem)
::
++ take
|= {hen/duct way/term tea/wire hil/mill}
^+ +>
=> (take:(walk:(va-plow:(va-amid:va way) now eny.mal peek) hen) tea hil)
abet
:: :: ++work:le
++ work :: main loop
=* ken .
^+ ken
::
:: no-op if stack is empty
::
?~ run.gut ken
::
:: mov: top move on stack
:: hen: cause of move
:: act: action in move
::
=/ mov `move:live`i.run.gut
::
:: pop top move off stack
::
=> .(run.gut t.run.gut)
::
:: interpret top move
::
?- -.q.mov
::
:: %give: return move
::
$give
::
:: the duct can't be empty
::
?> ?=(^ p.mov)
::
:: tea: top wire on duct
:: nex: rest of duct
::
=/ tea i.p.mov
=* nex t.p.mov
::
:: route gift by wire
::
?: ?=({$$ *} tea)
::
:: gift returned on arvo wire
::
?: ?=({$unix $~} t.tea)
::
:: gift returned to unix i/o
::
(unix nex (wile p.q.mov))
?> ?=({$arvo $~} t.tea)
::
:: gift returned to arvo control
::
(warp nex ((hard wasp) (wile p.q.mov)))
::
:: gift returned to calling vane
::
?> ?=({@tas *} tea)
(take nex i.tea t.tea p.q.mov)
::
:: %pass: forward move
::
$pass
(call [p.q.mov p.mov] p.q.q.mov q.q.q.mov)
==
--
--