shrub/pkg/arvo/sys/vane/dill.hoon
fang 2e7afdd543
lull: remove old/unused dill tasks
Some of the remainder are still _presently_ unused, but point at
functionality we want to support again in the near future. The ones
removed here are either redundant or have no clear purpose.
2021-02-16 17:33:57 +01:00

488 lines
17 KiB
Plaintext

!:
:: dill (4d), terminal handling
::
|= our=ship
=, dill
=> |% :: interface tiles
+$ gill (pair ship term) :: general contact
-- ::
=> |% :: console protocol
+$ axle ::
$: %5 ::
hey=(unit duct) :: default duct
dug=(map @tas axon) :: conversations
eye=(jug @tas duct) :: outside listeners
lit=? :: boot in lite mode
$= veb :: vane verbosities
$~ (~(put by *(map @tas log-level)) %hole %soft) :: quiet packet crashes
(map @tas log-level) ::
== ::
+$ axon :: dill session
$: ram=term :: console program
tem=(unit (list dill-belt)) :: pending, reverse
wid=_80 :: terminal width
== ::
+$ log-level ?(%hush %soft %loud) :: none, line, full
-- => ::
|% :: protocol outward
+$ mess ::
$% [%dill-belt p=(hypo dill-belt)] ::
== ::
+$ move [p=duct q=(wind note gift)] :: local move
+$ note :: out request $->
$~ [%d %verb ~] ::
$% $: %$ ::
$>(?(%verb %whey) waif) ::
== ::
$: %c ::
$> $? %merg :: merge desks
%perm :: change permissions
%warp :: wait for clay hack
== ::
task:clay ::
== ::
$: %d ::
$> $? %crud ::
%heft ::
%text ::
%verb ::
== ::
task:dill ::
== ::
$: %g ::
$> $? %conf ::
%deal ::
%goad ::
== ::
task:gall ::
== ::
$: %j ::
$> $? %dawn ::
%fake ::
== ::
task:jael ::
== == ::
+$ sign :: in result $<-
$~ [%dill %blit ~] ::
$% $: %behn ::
$% $>(%writ gift:clay) :: XX %slip
$>(%mere gift:clay) :: XX %slip
== == ::
$: %clay ::
$> $? %mere ::
%note ::
%writ ::
== ::
gift:clay ::
== ::
$: %dill ::
$>(%blit gift:dill) ::
== ::
$: %gall ::
$> $? %onto ::
%unto ::
== ::
gift:gall ::
== == ::
:::::::: :: dill tiles
--
=| all=axle
|= [now=@da eny=@uvJ rof=roof] :: current invocation
=> ~% %dill ..part ~
|%
++ as :: per cause
=| moz=(list move)
|_ [hen=duct ses=@tas axon]
++ abet :: resolve
^- [(list move) axle]
[(flop moz) all(dug (~(put by dug.all) ses +<+>))]
::
++ call :: receive input
|= kyz=task
^+ +>
?+ -.kyz ~& [%strange-kiss -.kyz] +>
%flow +>
%hail (send %hey ~)
%belt (send `dill-belt`p.kyz)
%text (fore (tuba p.kyz) ~)
%crud :: (send `dill-belt`[%cru p.kyz q.kyz])
(crud p.kyz q.kyz)
%blew (send %rez p.p.kyz q.p.kyz)
%heft (pass /whey %$ whey/~)
%meld (dump kyz)
%pack (dump kyz)
%crop (dump trim+p.kyz)
%verb (pass /verb %$ kyz)
==
::
++ crud
|= [err=@tas tac=(list tank)]
:: unknown errors default to %loud
::
=/ lev=log-level (~(gut by veb.all) err %loud)
:: apply log level for this error tag
::
=/ =wall
?- lev
%hush ~
%soft ~["crud: %{(trip err)} event failed"]
%loud :- "crud: %{(trip err)} event failed"
%- zing
%+ turn (flop tac)
|=(a=tank (~(win re a) [0 wid]))
==
?: =(~ wall) +>.$
(fore (turn wall tuba))
::
++ dump :: pass down to hey
|= git=gift
?> ?=(^ hey.all)
+>(moz [[u.hey.all %give git] moz])
::
++ done :: gift to viewers
|= git=gift
=- +>.$(moz (weld - moz))
%+ turn
~(tap in (~(get ju eye.all) ses))
|=(=duct [duct %give git])
::
++ deal :: pass to %gall
|= [=wire =deal:gall]
(pass wire [%g %deal [our our] ram deal])
::
++ pass :: pass note
|= [=wire =note]
+>(moz :_(moz [hen %pass wire note]))
::
++ fore :: send dill output
::NOTE there are still implicit assumptions
:: about the underlying console app's
:: semantics here. specifically, trailing
:: newlines are important to not getting
:: overwritten by the drum prompt, and a
:: bottom-of-screen cursor position gives
:: nicest results. a more agnostic solution
:: will need to replace this arm, someday.
:: perhaps +send this to .ram instead?
::
|= liz=(list (list @c))
~? !=(%$ ses) [%d %foreing-in-session ses]
^+ +>
=. +>
=| biz=(list blit)
|- ^+ +>.^$
?~ liz (done %blit biz)
$(liz t.liz, biz (welp biz [%lin i.liz] [%nel ~] ~))
:: since dill is acting on its own accord,
:: we %hey the term app so it may clean up.
::
(send %hey ~)
::
++ from :: receive blit
|= bit=dill-blit
^+ +>
?: ?=(%mor -.bit)
|- ^+ +>.^$
?~ p.bit +>.^$
$(p.bit t.p.bit, +>.^$ ^$(bit i.p.bit))
?: ?=(%qit -.bit)
(dump %logo ~)
(done %blit [bit ~])
:: XX move
::
++ sein
^- ship
=/ dat=(unit (unit cage))
(rof `[our ~ ~] j/[[our sein/da/now] /(scot %p our)])
;;(ship q.q:(need (need dat)))
::
++ init :: initialize
(pass /merg/home [%c %merg %kids our %home da+now %init])
::
++ mere :: continue init
^+ .
=/ myt (flop (fall tem ~))
=/ can (clan:title our)
=. tem ~
=. +> (pass / %g %conf ram)
=? +> ?=(?(%earl %duke %king) can)
(ota sein %kids)
:: make kids desk publicly readable, so syncs work.
::
=. +> (show %kids)
=. +> hood-set-boot-apps
=. +> peer
|- ^+ +>+
?~ myt +>+
$(myt t.myt, +>+ (send i.myt))
::
++ into :: preinitialize
|= gyl=(list gill)
=. tem `(turn gyl |=(a=gill [%yow a]))
(pass / [%c %warp our %home `[%sing %y [%ud 1] /]])
::
++ send :: send action
|= bet=dill-belt
^+ +>
?^ tem
+>(tem `[bet u.tem])
(deal /send/[ses] [%poke [%dill-belt -:!>(bet) bet]])
::
++ hood-set-boot-apps
(deal / [%poke %drum-set-boot-apps !>(lit.all)])
::
++ peer
(deal /peer/[ses] [%watch /drum]) ::TODO rename subscription path
::
++ show :: permit reads on desk
|= des=desk
(pass /show [%c %perm des / r+`[%black ~]])
::
++ ota
|= syn=[ship desk]
(deal /sync %poke %kiln-ota !>(`syn))
::
++ take :: receive
|= [tea=wire sih=sign]
^+ +>
?- sih
[%gall %onto *]
?- -.+>.sih
%| (crud %onto p.p.+>.sih)
%& (fore (tuba "{(t q)}ed %{(t p)}":[t=trip p.p.sih]) ~)
==
::
[%gall %unto *]
:: ~& [%take-gall-unto +>.sih]
?- -.+>.sih
%poke-ack ?~(p.p.+>.sih +>.$ (crud %coup u.p.p.+>.sih))
%kick peer
%watch-ack ?~ p.p.+>.sih
+>.$
(dump:(crud %reap u.p.p.+>.sih) %logo ~)
%fact (from ;;(dill-blit q:`vase`+>+>.sih))
==
::
[%clay %note *]
(fore (tuba p.sih ' ' ~(ram re q.sih)) ~)
::
[?(%behn %clay) %writ *]
init
::
[?(%behn %clay) %mere *]
?: ?=(%& -.p.sih)
mere
(mean >%dill-mere-fail< >p.p.p.sih< q.p.p.sih)
::
[%dill %blit *]
(done +.sih)
==
--
::
++ ax :: make ++as from name
|= [hen=duct ses=@tas]
^- (unit _as)
=/ nux (~(get by dug.all) ses)
?~ nux ~
(some ~(. as hen ses u.nux))
::
++ aw :: make ++as from wire
|= [hen=duct wir=wire]
^- (unit _as)
%+ ax hen
?+ wir %$
[?(%peer %send) @ *] i.t.wir
==
--
|% :: poke+peek pattern
++ call :: handle request
|= $: hen=duct
dud=(unit goof)
wrapped-task=(hobo task)
==
^+ [*(list move) ..^$]
~| wrapped-task
=/ task=task ((harden task) wrapped-task)
:: unwrap session tasks, default to session %$
::
=^ ses=@tas task
?:(?=(%shot -.task) +.task [%$ task])
:: error notifications "downcast" to %crud
::
=? task ?=(^ dud)
~| %crud-in-crud
?< ?=(%crud -.task)
[%crud -.task tang.u.dud]
::
:: the boot event passes thru %dill for initial duct distribution
::
?: ?=(%boot -.task)
?> ?=(?(%dawn %fake) -.p.task)
?> =(~ hey.all)
=. hey.all `hen
=/ boot
((soft $>($?(%dawn %fake) task:jael)) p.task)
?~ boot
~& %dill-no-boot
~& p.task
~| invalid-boot-event+hen !!
=. lit.all lit.task
[[hen %pass / %j u.boot]~ ..^$]
:: we are subsequently initialized.
::
?: ?=(%init -.task)
?> =(~ dug.all)
:: configure new terminal, setup :hood and %clay
::
=* duc (need hey.all)
=/ app %hood
=/ say (tuba "<awaiting {(trip app)}, this may take a minute>")
=/ zon=axon [app input=[~ ~] width=80]
::
=^ moz all abet:(~(into as duc %$ zon) ~)
::REVIEW can anything relevant happen between %boot and %init?
=. eye.all (~(put ju eye.all) %$ duc)
[moz ..^$]
:: %flog tasks are unwrapped and sent back to us on our default duct
::
?: ?=(%flog -.task)
?~ hey.all
[~ ..^$]
:: this lets lib/helm send %heft a la |mass
::
=? p.task ?=([%crud %hax-heft ~] p.task) [%heft ~]
::
$(hen u.hey.all, wrapped-task p.task)
:: %vega and %trim notifications come in on an unfamiliar duct
::
?: ?=(?(%trim %vega) -.task)
[~ ..^$]
:: %knob sets a verbosity level for an error tag
::
?: ?=(%knob -.task)
=. veb.all (~(put by veb.all) tag.task level.task)
[~ ..^$]
:: %view opens a subscription to the target session, on the current duct
::
?: ?=(%view -.task)
=/ nus
:: crash on viewing non-existent session
::
~| [%no-session ses]
(need (ax hen ses))
:: register the viewer and send a %hey so they get the full screen
::
=^ moz all
abet:(send:nus %hey ~)
:- moz
..^$(eye.all (~(put ju eye.all) ses hen))
:: %flee closes a subscription to the target session, from the current duct
::
?: ?=(%flee -.task)
:- ~
..^$(eye.all (~(del ju eye.all) ses hen))
::
=/ nus
(ax hen ses)
?~ nus
:: session :ses does not exist
:: could be before %boot (or %boot failed)
::
~& [%dill-call-no-session ses hen -.task]
=/ tan ?:(?=(%crud -.task) q.task ~)
[((slog (flop tan)) ~) ..^$]
::
=^ moz all abet:(call:u.nus task)
[moz ..^$]
::
++ load :: import old state
=< |= old=any-axle
?- -.old
%5 ..^$(all old)
%4 $(old (axle-4-to-5 old))
==
|%
+$ any-axle $%(axle axle-4)
::
+$ axle-4
$: %4
hey=(unit duct)
dug=(map duct axon-4)
eye=(jug duct duct)
lit=?
veb=(map @tas log-level)
==
::
+$ axon-4
$: ram=term
tem=(unit (list dill-belt))
wid=_80
pos=$@(@ud [@ud @ud])
see=$%([%lin (list @c)] [%klr stub])
==
::
++ axle-4-to-5
|= axle-4
^- axle
:- %5
=- [hey nug nay lit veb]
%+ roll ~(tap by dug)
|= [[=duct =axon-4] nug=(map @tas axon) nay=(jug @tas duct)]
=/ ses=@tas
~| [%unexpected-duct duct]
?>(=([//term/1]~ duct) %$)
:- (~(put by nug) ses (axon-4-to-5 axon-4))
%+ ~(put by nay) ses
(~(put in (~(get ju eye) duct)) duct)
::
++ axon-4-to-5 |=(axon-4 `axon`[ram tem wid])
--
::
++ scry
^- roon
|= [lyc=gang car=term bem=beam]
^- (unit (unit cage))
=* ren car
=* why=shop &/p.bem
=* syd q.bem
=* lot=coin $/r.bem
=* tyl s.bem
::
?. ?=(%& -.why) ~
=* his p.why
::TODO don't special-case whey scry
::
?: &(=(ren %$) =(tyl /whey))
=/ maz=(list mass)
:~ hey+&+hey.all
dug+&+dug.all
==
``mass+!>(maz)
:: only respond for the local identity, %$ desk, current timestamp
::
?. ?& =(&+our why)
=([%$ %da now] lot)
=(%$ syd)
==
~
::TODO scry endpoints for /sessions
~
::
++ stay all
::
++ take :: process move
|= [tea=wire hen=duct dud=(unit goof) hin=sign]
^+ [*(list move) ..^$]
?^ dud
~|(%dill-take-dud (mean tang.u.dud))
::
=/ nus (aw hen tea)
?~ nus
:: :tea points to an unrecognized session
::
~& [%dill-take-no-session tea -.hin +<.hin]
[~ ..^$]
=^ moz all abet:(take:u.nus tea hin)
[moz ..^$]
--