urbit/pkg/arvo/app/hood.hoon
Philip Monk 87ca57c364
gall: allow apps to run from any desk
Start with |start %desk %app-name

Everywhere in the kernel that we deal with marks, we infer the app it's
connected to and use the marks from that desk.

Also some light renaming in gall, especially path->wire and
current-agent->yoke.

Subsequent tasks:

- Dojo needs a syntax to run generators and threads from other desks
- The home desk should be split into at least a minimal base desk and
  big "userspace" desk.  Dill's initialization logic should be updated
  to handle
- |show-package, |install, and |uninstall should to be written
- Clay should have smarter handling of system versions instead of just
  ignoring what's on each desk.  It's not clear that this will work
  correctly when sys updates right now.
2021-06-18 16:13:55 -10:00

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/+ default-agent
/+ drum=hood-drum, helm=hood-helm, kiln=hood-kiln
|%
+$ state
$: %14
drum=state:drum
helm=state:helm
kiln=state:kiln
==
+$ any-state
$% state
[ver=?(%1 %2 %3 %4 %5 %6) lac=(map @tas fin-any-state)]
[%7 drum=state-2:drum helm=state:helm kiln=state:kiln]
[%8 drum=state-2:drum helm=state:helm kiln=state:kiln]
[%9 drum=state-2:drum helm=state:helm kiln=state:kiln]
[%10 drum=state-2:drum helm=state:helm kiln=state:kiln]
[%11 drum=state-2:drum helm=state:helm kiln=state:kiln]
[%12 drum=state-2:drum helm=state:helm kiln=state:kiln]
[%13 drum=state-2:drum helm=state:helm kiln=state:kiln]
==
+$ any-state-tuple
$: drum=any-state:drum
helm=any-state:helm
kiln=any-state:kiln
==
+$ fin-any-state
$% [%drum any-state:drum]
[%helm any-state:helm]
[%kiln any-state:kiln]
[%write *] :: gets deleted
==
--
^- agent:gall
=| =state
|_ =bowl:gall
+* this .
def ~(. (default-agent this %|) bowl)
drum-core (drum bowl drum.state)
helm-core (helm bowl helm.state)
kiln-core (kiln bowl kiln.state)
::
++ on-fail on-fail:def
++ on-init
^- step:agent:gall
=^ d drum.state on-init:drum-core
[d this]
::
++ on-leave on-leave:def
++ on-peek
|= =path
^- (unit (unit cage))
?+ path (on-peek:def path)
[* %kiln *] (on-peek:kiln-core path)
==
::
++ on-save !>(state)
++ on-load
|= =old-state=vase
^- step:agent:gall
=+ !<(old=any-state old-state-vase)
=/ tup=any-state-tuple
?+ -.old +.old
?(%1 %2 %3 %4 %5 %6)
:* =-(?>(?=(%drum -<) ->) (~(got by lac.old) %drum))
=-(?>(?=(%helm -<) ->) (~(got by lac.old) %helm))
=-(?>(?=(%kiln -<) ->) (~(got by lac.old) %kiln))
==
==
=^ d drum.state (on-load:drum-core -.old drum.tup)
=^ h helm.state (on-load:helm-core -.old helm.tup)
=^ k kiln.state (on-load:kiln-core -.old kiln.tup)
[:(welp d h k) this]
::
++ on-poke
|= [=mark =vase]
^- step:agent:gall
|^
=/ fin (end [3 4] mark)
?: =(%drum fin) poke-drum
?: =(%helm fin) poke-helm
?: =(%kiln fin) poke-kiln
::
?+ mark (on-poke:def mark vase)
%atom poke-helm(mark %helm-atom)
%dill-belt poke-drum(mark %drum-dill-belt)
%dill-blit poke-drum(mark %drum-dill-blit)
%hood-sync poke-kiln(mark %kiln-sync)
%write-sec-atom poke-helm(mark %helm-write-sec-atom)
==
++ poke-drum =^(c drum.state (poke:drum-core mark vase) [c this])
++ poke-helm =^(c helm.state (poke:helm-core mark vase) [c this])
++ poke-kiln =^(c kiln.state (poke:kiln-core mark vase) [c this])
--
::
++ on-watch
|= =path
^- step:agent:gall
?+ path (on-watch:def +<)
[%drum *] =^(c drum.state (peer:drum-core +<) [c this])
==
::
++ on-agent
|= [=wire =sign:agent:gall]
^- step:agent:gall
?+ wire ~|([%hood-bad-wire wire] !!)
[%drum *] =^(c drum.state (take-agent:drum-core +<) [c this])
[%helm *] =^(c helm.state (take-agent:helm-core +<) [c this])
[%kiln *] =^(c kiln.state (take-agent:kiln-core +<) [c this])
==
:: TODO: symmetry between adding and stripping wire prefixes
::
++ on-arvo
|= [=wire syn=sign-arvo]
^- step:agent:gall
?+ wire ~|([%hood-bad-wire wire] !!)
[%drum *] =^(c drum.state (take-arvo:drum-core t.wire syn) [c this])
[%helm *] =^(c helm.state (take-arvo:helm-core t.wire syn) [c this])
[%kiln *] =^(c kiln.state (take-arvo:kiln-core t.wire syn) [c this])
==
--