shrub/arvo/xmas.hoon
2016-09-06 10:56:36 -07:00

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:: :: ::
:::: /hoon/ames/arvo :::::: vane prelude
!: :: ::
|= pit/vase :: kernel vase
=> =~ ::
:: :: ::
:::: :::::: ames structures
:: :: ::
|% ::
++ bait {p/skin q/@ud r/dove} :: fmt nrecvd spec
++ bath :: per friend
$: det/pipe :: secure channel
waz/(list ship) :: path to
lun/(unit lane) :: latest route
zam/scar :: outbound boles
fon/(map bole lock) :: inbound locks
sal/(map bole colt) :: outbound flows
== ::
++ bole bone :: inbound opaque
++ cake {p/sock q/skin r/@} :: top level packet
++ chan path :: channel
++ clue :: live packet state
$: vig/? :: true iff virgin
tel/part :: block identity
fap/flap :: fragment hash
dat/rock :: fragment data
== ::
++ coal :: live packet state
$: out/@da :: sent date
lod/@da :: lost-by deadline
clu/clue :: packet to send
== ::
++ colt :: outbound state
$: seq/tick :: next tick to fill
lac/tick :: acked tick until
cob/(map tick comb) :: live messages
myn/mini :: packet pump
== ::
++ comb :: live message
$: cup/(unit coop) :: final ack
cha/path :: channel
num/frag :: number of fragments
ack/frag :: number acked
cly/(list clue) :: left to send
== ::
++ dove {p/@ud q/(map @ud @)} :: count 13-blocks
++ flap @uvH :: network packet id
++ flea (pair bole tick) :: message id
++ frag @ud :: fragment number
++ lock :: inbound sequencer
$: laq/tick :: acknowledged until
nys/(map tick bait) :: inbound partials
laz/(unit (trel tick flap lane)) :: awaiting app
exc/(map tick ares) :: negative acks
== ::
++ meal :: payload
$% {$back p/bone q/flap r/coop s/@dr} :: acknowledgment
{$bond p/flea q/chan r/*} :: message
{$carp p/moan q/(pair @ud @)} :: fragment
{$fore p/ship q/(unit lane) r/@} :: forwarded packet
== ::
++ mini :: pump data
$: saw/stat :: statistics
liv/(qeu coal) :: live packets
lop/(qeu clue) :: lost packets
== ::
++ moan :: message invariant
$: {kos/bole liq/tick} :: flow identity
syn/@ :: skin number
cnt/@ :: number of packets
== ::
++ part (pair frag tick) :: fragment of packet
++ silo :: global state
$: $: gur/grue :: our certificates
war/(map life ring) :: our private keys
== ::
pol/(map ship bath) :: network state
== ::
++ skin ?($none $open $fast $full) :: encoding stem
++ stat :: pump statistics
$: $: cur/@ud :: window q length
max/@ud :: max pax out
rey/@ud :: retry q length
== ::
$: rtt/@dr :: roundtrip estimate
las/@da :: last sent
lad/@da :: last deadline
== ::
== ::
++ tick @ud :: message sequence no
-- ::
:: ::
:::: :::: arvo structures
:: ::
|% ::
++ flam |=(a/flap `@p`(mug a)) :: debug flap
++ msec |=(a/@dr `@ud`(div a (div ~s1 1.000))) :: debug @dr
++ move {p/duct q/(wind note-xmas gift-xmas)} :: local move
:: ::
:::: loft :::: main transceiver
:: ::
++ loft ::
=> |% ::
++ gift :: output
$% {$east p/duct q/ship r/chan s/*} :: network response
{$home p/lane q/@} :: resend to self
{$line p/ship q/@da r/code} :: add outbound key
{$link p/ship q/@da r/code} :: add inbound key
{$meet p/gree} :: add public key(s)
{$rest p/duct q/coop} :: message result
{$send p/lane q/@} :: transmit packet
{$view p/ship} :: cache channel
{$west p/ship q/bole r/chan s/*} :: outbound message
== ::
++ task :: input
$% {$clue p/ship q/pipe} :: update channel
{$done p/ship q/bole r/coop} :: completion
{$hear p/lane q/@} :: incoming packet
{$mess p/ship q/duct r/chan s/*} :: forward message
{$rend p/ship q/bole r/chan s/*} :: backward message
{$wake $~} :: wakeup
==
--
=| $: $: now/@da
eny/@
see/$-(ship pipe)
==
silo
fex/(list gift)
==
=* syl ->-
|% ::
++ abet [(flop fex) syl] :: resolve
++ apex :: compute
|= job/task
^+ +>
?- -.job
$clue abet:(clue:(etre p.job) q.job)
$done abet:(done:(etre p.job) q.job r.job)
$hear
=+ kec=(bite q.job)
?> =(our q.p.kec)
=^ etc +>.$ (etch p.p.kec)
abet:(hear:etc p.job (shaf %flap q.job) q.kec r.kec)
::
$mess
=^ etc +>.$ (etch p.job)
=^ kos etc (blow:etc q.job)
abet:(mess:etc kos r.job s.job)
::
$rend
abet:(mess:(etre p.job) q.job r.job s.job)
::
$wake
|- ^+ +>.^$
?~ pol +>.^$
=+ lef=$(pol l.pol)
=+ ryt=$(pol r.pol, fex fex.lef)
=+ top=~(to-wake et(fex fex.ryt) n.pol)
+>.^$(fex fex.top, pol [+<.top pol.lef pol.ryt])
== ::
::
++ doze :: sleep until
|- ^- (unit @da)
?~ pol ~
;: hunt
$(pol l.pol)
$(pol r.pol)
~(to-wait et p.n.pol q.n.pol)
==
:: ::
++ etch :: new neighbor
|= who/@p
=+ buh=(~(get by pol) who)
?^ buh
:: old neighbor; channel already registered
[~(. et who u.buh) +>.$]
:: new neighbor; register secure channel view
:_ +>.$(fex [[%view who] fex])
~(. et who `bath`[(see who) (seek our who) ~ [2 ~ ~] ~ ~])
:: ::
++ etre :: old neighbor
|= who/@p
~(. et who (~(got by pol) who))
:: ::
++ et :: per neighbor
|_ $: who/ship
bah/bath
==
++ abet +>(pol (~(put by pol) who bah)) :: resolve
++ acme |=(fic/gift +>(fex [fic fex])) :: effect
++ blow :: register duct
|= hen/duct
^- {bole _+>}
=+ kus=(~(get by q.zam.bah) hen)
?^ kus [u.kus +>.$]
:- p.zam.bah
%= +>.$
p.zam.bah (add 2 p.zam.bah)
q.zam.bah (~(put by q.zam.bah) hen p.zam.bah)
r.zam.bah (~(put by r.zam.bah) p.zam.bah hen)
==
::
++ clue |=(det/pipe +>(det.bah det)) :: purge security
++ done
|= {kos/bole cop/coop}
^+ +>
(in-task %done +<)
:: ::
++ have :: receive message
|= {kos/bole cha/chan val/*}
^+ +>
?: =(0 (end 0 1 kos))
=+ hen=(~(got by r.zam.bah) kos)
::
:: if the bole is even, this is a backward flow,
:: like a subscription update; ack automatically.
::
(acme:(in-task %done kos ~) %east hen who cha val)
::
:: if the bole is odd, it's a forward flow. we
:: need to wait for the target to actively ack it.
::
(acme %west who kos cha val)
::
++ hear ::
|= {lyn/lane dam/flap syn/skin msg/@} :: hear packet
^+ +>
(in-task %hear +<)
:: ::
++ mess :: send message
|= {kos/bole cha/chan val/*}
^+ +>
(to-task kos %mess cha val)
:: ::
++ sack :: send acknowledgment
|= {kos/bole dam/flap cop/coop}
=+ yex=((knit who det.bah) now eny [%back (mix kos 1) dam cop ~s0])
=. +>.$ (to-gifs p.yex)
|- ^+ +>.^$
?~ q.yex +>.^$
$(q.yex t.q.yex, +>.^$ (send ~ i.q.yex))
:: ::
++ send :: send packet
|= {urg/(unit lane) pac/rock}
^+ +>
?: =(our who) (acme [%send *lane pac])
=+ zaw=waz.bah
|- ^+ +>.^$
?~ zaw +>.^$
=+ ^= lun ^- (unit lane)
?: (lth i.zaw 256)
::
:: galaxies are mapped into reserved IP space,
:: which the interpreter maps into a DNS request.
::
[~ %if ~2000.1.1 31.337 (mix i.zaw .0.0.1.0)]
?: =(who i.zaw) lun.bah
=+ hab=(~(get by pol) i.zaw)
?~(hab ~ lun.u.hab)
?~ lun
$(zaw t.zaw)
=. pac ?: &(=(i.zaw who) =(~ urg))
pac
::
:: forwarded packets are not signed/encrypted,
:: because (a) we don't need to; (b) we don't
:: want to turn one packet into two. the wrapped
:: packet may exceed 8192 bits, but it's unlikely
:: to blow the MTU (IP MTU == 1500).
::
(spit [our i.zaw] %none (jam `meal`[%fore who urg pac]))
=. +>.^$ (acme %send u.lun pac)
::
:: stop if we have an %if (direct) address;
:: continue if we only have %ix (forwarded).
::
?:(?=($if -.u.lun) +>.^$ $(zaw t.zaw))
::
++ in-gift
|= hox/gift:hose
^+ +>
?- -.hox
$fore
?: =(our her.hox)
(acme %home org.hox pac.hox)
(send(who her.hox) [~ org.hox] pac.hox)
::
$have (have +.hox)
$link (acme %link who exp.hox key.hox)
$meet (acme hox)
$rack (to-task kos.hox %back dam.hox cop.hox ~s0)
$rout +>(lun.bah `lyn.hox)
$sack (sack +.hox)
==
::
++ in-gifs
|= hoz/(list gift:hose)
?~ hoz +>
$(hoz t.hoz, +> (in-gift i.hoz))
::
++ to-gift
|= rax/gift:rail
?- -.rax
$line (acme %line who ~2018.1.1 q.rax)
$mack (acme %rest (~(got by r.zam.bah) p.rax) q.rax)
$send (send ~ q.rax)
==
::
++ to-gifs
|= raz/(list gift:rail)
?~ raz +>
$(raz t.raz, +> (to-gift i.raz))
::
++ in-task
|= kyz/task:hose
^+ +>
=^ hoz fon.bah abet:(~(apex hose [who det.bah] ~ fon.bah) kyz)
(in-gifs hoz)
::
++ to-task
|= {kos/bole kyz/task:rail}
^+ +>
=+ cot=((bond |.(zeal:rail)) (~(get by sal.bah) kos))
=^ raz cot abet:(work:(to-rail kos cot) kyz)
(to-gifs raz)
::
++ to-rail
|= {kos/bole cot/colt}
~(. rail [[who det.bah] [now eny] kos (yawn:pump myn.cot) ~] cot)
::
++ to-wait
|- ^- (unit @da)
?~ sal.bah ~
;: hunt
$(sal.bah l.sal.bah)
$(sal.bah r.sal.bah)
wait:(to-rail p.n.sal.bah q.n.sal.bah)
==
::
++ to-wake
|- ^+ +.$
?~ sal.bah +.$
=+ lef=$(sal.bah l.sal.bah)
=+ ryt=$(sal.bah r.sal.bah, fex fex.lef)
=+ top=(work:(to-rail(fex fex.ryt) p.n.sal.bah q.n.sal.bah) %wake ~)
+.$(fex fex.ryt, sal.bah [[kos cot]:top sal.bah.lef sal.bah.ryt])
--
--
::
:::: inbound cores
::
:: ::
:::: bite :::: packet format
:: ::
++ bite :: packet to cake
|= pac/rock ^- cake
=+ [mag=(end 5 1 pac) bod=(rsh 5 1 pac)]
=+ :* vez=(end 0 3 mag) :: protocol version
chk=(cut 0 [3 20] mag) :: checksum
wix=(bex +((cut 0 [23 2] mag))) :: width of receiver
vix=(bex +((cut 0 [25 2] mag))) :: width of sender
tay=(cut 0 [27 5] mag) :: message type
==
?> =(7 vez)
?> =(chk (end 0 20 (mug bod)))
:+ [(end 3 wix bod) (cut 3 [wix vix] bod)]
(kins tay)
(rsh 3 (add wix vix) bod)
::
++ kins |=(tay/@ (snag tay `(list skin)`[%none %open %fast %full ~]))
++ ksin |=(sin/skin `@`?-(sin $none 0, $open 1, $fast 2, $full 3))
++ seek :: path to
|= {our/ship her/ship}
^- (list ship)
::
:: in order of routing desirability, from `our`
:: to `who`, up their hierarchy to the least
:: common ancestor, then up ours to the root.
::
=+ [fro=t.+:(saxo our) too=(saxo her)]
|- ^- (list ship)
?~ too fro
?: =(our i.too)
:: the target is one of our children.
~
?: (lien fro |=(a/ship =(a i.too)))
:: a parent of the target is in our own hierarchy.
:: clip the target hierarchy here and add our own
:: hierarchy, from bottom to top.
|- ^- (list ship)
?~ fro !!
?:(=(i.fro i.too) [i.too ~] [i.fro $(fro t.fro)])
[i.too $(too t.too)]
::
++ spit :: cake to packet
|= kec/cake ^- @
=+ wim=(met 3 p.p.kec)
=+ dum=(met 3 q.p.kec)
=+ yax=?:((lte wim 2) 0 ?:((lte wim 4) 1 ?:((lte wim 8) 2 3)))
=+ qax=?:((lte dum 2) 0 ?:((lte dum 4) 1 ?:((lte dum 8) 2 3)))
=+ wix=(bex +(yax))
=+ vix=(bex +(qax))
=+ bod=:(mix p.p.kec (lsh 3 wix q.p.kec) (lsh 3 (add wix vix) r.kec))
=+ tay=(ksin q.kec)
%+ mix
%+ can 0
:~ [3 7]
[20 (mug bod)]
[2 yax]
[2 qax]
[5 tay]
==
(lsh 5 1 bod)
:: ::
:::: nose :::: packet decoder
:: ::
++ nose !:
=> |%
++ gift :: side effect
$% {$link exp/@da key/code} :: learn symmetric key
{$meet doy/gree} :: learn public key(s)
== ::
--
|= {him/@p det/pipe}
|= {syn/skin msg/@}
^- (pair (list gift) {aut/? ham/meal})
|^ ?- syn
$none [~ | (maul msg)]
$fast
=+ [mag=`hand`(end 7 1 msg) bod=(rsh 7 1 msg)]
=+ key=(~(got by inn.det) mag)
=+ clr=(need (de:crub key bod))
[~ & (maul clr)]
::
$full
=+ mex=((hard {p/{p/life q/life} q/gree r/@}) (cue msg))
=+ rig=(~(got by war.det) p.p.mex)
=+ pas=(whom q.p.mex q.mex)
=+ [key out]=(need (tear:as:(nol:nu:crub rig) pas r.mex))
:- :~ [%link ~2018.1.1 key]
[%meet q.mex]
==
[& (maul out)]
::
$open
=+ mex=((hard {p/{$~ q/life} q/gree r/@}) (cue msg))
=+ pas=(whom q.p.mex q.mex)
=+ out=(need (sure:as:(com:nu:crub pas) *code r.mex))
[[%meet q.mex]~ & (maul r.mex)]
==
++ maul |=(@ `meal`((hard meal) (cue +<))) :: unpack message
++ whom :: select public key
|= {lyf/life gyr/gree}
^- pass
::
:: if we have the public key for this life, use it.
:: otherwise, use the key the sender sent, without
:: without checking its validity. invalid public-key
:: data will crash the packet when we install it.
::
%- (bond |.(pub.dat:(~(got by q:(~(got by gyr) lyf)) him)))
(~(get by pub.det) lyf)
--
:: ::
:::: hose ::
:: ::
++ hose :: input decoder
=> |% ::
++ gift :: action
$% {$fore her/ship org/lane pac/rock} :: send forward
{$have kos/bole cha/chan val/*} :: report message
{$link exp/@da key/code} :: learn symmetric key
{$meet doy/gree} :: learn public key
{$rack kos/bole dam/flap cop/coop} :: report ack
{$rout lyn/lane} :: learn route
{$sack kos/bole dam/flap cop/coop} :: send ack
== ::
++ task :: event
$% {$done kos/bole cop/coop} :: commit message
{$hear lyn/lane dam/flap syn/skin msg/@} :: raw packet
== ::
-- ::
=| $: $: him/ship ::
det/pipe ::
== ::
fex/(list gift) ::
fon/(map bole lock) ::
==
|% ::
++ abet [(flop fex) fon] :: resolve
++ acme |=(fic/gift +>(fex [fic fex])) :: effect
++ acts :: effects
|=(fix/(list gift) +>(fex (weld (flop fix) fex))) ::
:: ::
++ apex :: input
|= job/task
^+ +>
?- -.job
$done
=+ loc=(~(got by fon) kos.job)
?> ?=(^ laz.loc)
=< hy-abet
(~(hy-done hy [kos.job p.u.laz.loc] [& [q r]:u.laz.loc] loc) cop.job)
::
$hear
=+ pet=((nose him det) syn.job msg.job)
=. +>.$ (acts p.pet)
:: if packet is authenticated, use its routing info
=. +>.$ ?.(aut.q.pet +>.$ (acme %rout lyn.job))
?- -.ham.q.pet
$back
~| %unsecured-back
?>(aut.q.pet (acme %rack [p q r]:ham.q.pet))
::
$bond
=+ loc=((bond |.(*lock)) (~(get by fon) p.p.ham.q.pet))
=< hy-abet
%. [q r]:ham.q.pet
~(hy-bond hy p.ham.q.pet [aut.q.pet [dam lyn]:job] loc)
::
$carp
=+ loc=((bond |.(*lock)) (~(get by fon) kos.p.ham.q.pet))
=< hy-abet
%. [(kins syn.p.ham.q.pet) cnt.p.ham.q.pet q.ham.q.pet]
~(hy-carp hy [kos liq]:p.ham.q.pet [aut.q.pet [dam lyn]:job] loc)
::
$fore
(acme %fore p.ham.q.pet (born lyn.job q.ham.q.pet) r.ham.q.pet)
==
==
:: ::
++ born :: set forward origin
|= {lyn/lane urg/(unit lane)}
^- lane
:: a forwarded packet contains its origin address,
:: but only after the first hop. if the address
:: field is empty, we fill it in with the address
:: we received the packet from. but we replace
:: %if with %ix, to show that the ultimate receiver
:: may not be able to send back to the origin
:: (due to non-full-cone NAT).
?~ urg lyn
?. ?=($if -.u.urg)
u.urg
[%ix +.u.urg]
::
++ hy :: message assembler
=| $: $: kos/bole :: sender
liq/tick :: message number
==
$: aut/? :: authenticated
dam/flap :: critical flap
lyn/lane :: origin address
==
lock
==
=* loq ->+
|% ::
++ hy-abet ..hy(fon (~(put by fon) kos loq)) :: resolve
++ hy-acme |=(fic/gift +>(+> (acme fic))) :: effect
++ hy-acts |=(fix/(list gift) +>(+> (acts fix))) :: effects
++ hy-bond :: full message
|= {cha/chan val/*}
^+ +>
?: (lth liq laq)
:: we already acked this msg; ack it again
:: ~& [%hi-bond-low [kos liq] laq]
hy-cong
?: (gth liq laq)
:: later than the next msg; ignore
~& [%hy-bond-after [kos liq] laq]
+>
?: !=(~ laz)
:: this msg is already being processed; ignore
~& [%hy-bond-during [kos liq] laq]
+>
:: report completed message
%. [%have kos cha val]
%= hy-acme
:: delete partial message
nys (~(del by nys) liq)
:: record message in application processing
laz `[liq dam lyn]
==
:: ::
++ hy-done :: message completed
|= cop/coop
^+ +>
(hy-cone(laq +(laq), laz ~) cop)
:: ::
++ hy-carp :: process fragment
|= {syn/skin cnt/@ud far/(pair @ud @)}
^+ +>
:: ~& [%carp fap/`@p`(mug fap) syn/syn cnt/cnt far/p.far]
?: (lth liq laq)
:: fragment of a message we've already acknowledged - ack it again.
:: ~& [%hy-carp-late liq laq]
hy-cong
?: (gth liq laq)
:: fragment of a message after the next we expect - drop it.
:: ~& [%hy-carp-early liq laq]
+>
:: neb: current incomplete message
=+ neb=`bait`(fall (~(get by nys) liq) [syn 0 [cnt ~]])
:: all fragments must agree on the message parameters
?> &(=(p.neb syn) (gth p.r.neb p.far) =(p.r.neb cnt))
=+ doy=(~(get by q.r.neb) p.far)
?^ doy
:: we've already heard this fragment
(hy-conk ~)
:: install fragment
=: q.r.neb (~(put by q.r.neb) p.far q.far)
q.neb +(q.neb)
==
?. =(q.neb p.r.neb)
:: message not yet complete, reinstall incomplete
(hy-conk(nys (~(put by nys) liq neb)) ~)
:: decode complete message
=+ pet=((nose him det) syn (hy-golf r.neb))
:: record decoder effects
=. +>.$ (hy-acts p.pet)
=. aut |(aut aut.q.pet)
?- -.ham.q.pet
$back ~|(%unsecured-back ?>(aut (hy-acme %rack kos [q r]:ham.q.pet)))
$carp ~|(%meta-carp !!)
$fore (hy-acme %fore p.ham.q.pet (born lyn q.ham.q.pet) r.ham.q.pet)
$bond ~| %bogus-assembly
?> &(aut =([kos liq] p.ham.q.pet))
(hy-bond [q r]:ham.q.pet)
==
::
++ hy-cong (hy-conk (~(get by exc) liq)) :: duplicate ack
++ hy-conk :: ack current
|=(cop/coop (hy-acme %sack kos dam cop))
++ hy-cone :: record ack
|= cop/coop
=> ?~(cop . .(exc (~(put by exc) liq u.cop)))
(hy-conk cop)
:: ::
++ hy-golf :: assemble fragments
|= duv/dove
=+ [nix=0 rax=*(list @)]
|- ^- @
?: =(p.duv nix)
(can 13 (turn (flop rax) |=(a/@ [1 a])))
$(nix +(nix), rax [(need (~(get by q.duv) nix)) rax])
--
--
:: ::
:::: outbound cores ::::
:: ::
::
:::: packet pump
::
++ pump :: packet pump
=> |% ::
++ gift :: effect
$% {$good p/flap q/part r/@dr s/coop} :: logical ack
{$send p/flap q/part r/rock} :: release packet
== ::
++ task :: event
$% {$back p/flap q/coop r/@dr} :: raw ack
{$cull p/tick} :: cancel message
{$pack p/(list clue)} :: submit packets
{$wake $~} :: random wakeup
== ::
--
|%
++ yawn ::
|= myn/mini ::
^+ zu
~(. zu ~ myn) ::
::
++ zu :: state machine
|_ $: fex/(list gift) :: effects
mini :: state
==
:: ::
++ abba :: a older than b
|= {a/part b/part}
|((lth q.a q.b) &(=(q.a q.b) (lth p.a p.b)))
:: ::
++ abet :: resolve
^- {(list gift:pump) mini}
:: =. . aver
[(flop fex) +<+]
:: ::
++ aver :: verify
?> (lte cur.saw max.saw)
?> !=(0 max.saw)
?. =(cur.saw (lent (~(tap to liv))))
~& [%aver-cur cur.saw (lent (~(tap to liv)))]
!!
?> =(rey.saw (lent (~(tap to lop))))
?> =+ |= {a/coal b/coal}
&((lth out.a out.b) (lth lod.a lod.b))
|- ?| ?=($~ liv)
?& ?| ?=($~ r.liv)
?& (+< n.r.liv n.liv)
$(liv r.liv)
== ==
?| ?=($~ l.liv)
?& (+< n.liv n.l.liv)
$(liv l.liv)
== ==
==
==
?> =+ |= {a/part b/part}
|((lth q.a q.b) &(=(q.a q.b) (lth p.a p.b)))
|- ?| ?=($~ lop)
?& ?| ?=($~ r.lop)
?& (+< tel.n.r.lop tel.n.lop)
$(lop r.lop)
== ==
?| ?=($~ l.lop)
?& (+< tel.n.lop tel.n.l.lop)
$(lop l.lop)
== ==
==
==
.
:: ::
++ back :: process raw ack
|= {now/@da dam/flap cop/coop lag/@dr}
^+ +>
=- =/ rtt ?~(ack ~s0 (sub now out.u.ack))
=. rtt ?:((gth rtt lag) (sub rtt lag) rtt)
(done:(lose(liv lov) ded) ack dam cop rtt)
|- ^- $: ack/(unit coal)
ded/(list coal)
lov/(qeu coal)
==
?~ liv [~ ~ ~]
=+ ryt=$(liv r.liv)
?^ ack.ryt
::
:: found in front, no need to search back.
::
[ack.ryt ded.ryt [n.liv l.liv lov.ryt]]
::
:: lose unacked packets sent before an acked virgin.
::
=+ ^- $: top/?
ack/(unit coal)
ded/(list coal)
lov/(qeu coal)
==
?: =(dam fap.clu.n.liv)
[| `n.liv ~ l.liv]
[& $(liv l.liv)]
?~ ack [~ ~ liv]
=. ded ?:(top [n.liv ded] ded)
=. ded ?:(vig.clu.u.ack (~(tap to r.liv) ded) ded)
=. lov ?:(top [n.liv lov ~] lov)
[ack ded lov]
:: ::
++ clap :: ordered enqueue
::
:: the `lop` queue isn't really a queue in case of
:: resent packets; packets from older messages
:: need to be sent first. unfortunately hoon.hoon
:: lacks a general sorted/balanced heap right now.
:: so we implement a balanced queue insert by hand.
::
|= clu/clue
%_ +>
lop
|- ^+ lop
?~ lop [clu ~ ~]
?: ?| (abba tel.clu tel.n.lop)
?& =(tel.clu tel.n.lop)
(lth fap.clu fap.n.lop)
== ==
[n.lop l.lop $(lop r.lop)]
[n.lop $(lop l.lop) r.lop]
==
:: ::
++ cull :: clear message
|= tiq/tick
%_ +>
liv
|- ^+ liv
?~ liv ~
=+ vil=[n.liv $(liv l.liv) $(liv r.liv)]
?. =(tiq q.tel.clu.n.liv) vil
~(nip to `(qeu coal)`vil)
::
lop
|- ^+ lop
?~ lop ~
=+ pol=[n.lop $(lop l.lop) $(lop r.lop)]
?: =(tiq q.tel.n.lop) pol
~(nip to `(qeu clue)`pol)
==
:: ::
++ done :: process cooked ack
|= {lyd/(unit coal) dam/flap cop/coop rtt/@dr}
^+ +>
?~ lyd +>
%_ +>
cur.saw (dec cur.saw)
fex [[%good dam tel.clu.u.lyd rtt cop] fex]
==
:: ::
++ fire :: send a packet
|= {now/@da clu/clue}
^+ +>
?> (lth cur.saw max.saw)
=+ out=?:((lte now las.saw) +(las.saw) now)
=+ lod=(add now (mul 2 rtt.saw))
=. lod ?:((gth lod lad.saw) lod +(lad.saw))
:: ~& [%fire (flam fap.clu) `@da`out `@da`lod]
%= +>.$
fex [[%send fap.clu tel.clu dat.clu] fex]
las.saw out
lad.saw lod
cur.saw +(cur.saw)
liv (~(put to liv) [out lod clu])
==
:: ::
++ flay :: time out packets
|= now/@da
^+ +>
=- (lose(liv q.ole) p.ole)
^= ole
=| ded/(list coal)
|- ^+ [p=ded q=liv]
?~ liv [ded ~]
?: (gte now lod.n.liv)
::
:: everything in front of a dead packet is dead
::
$(liv l.liv, ded (~(tap to r.liv) [n.liv ded]))
=+ ryt=$(liv r.liv)
[p.ryt [n.liv l.liv q.ryt]]
:: ::
++ lose :: abandon packets
|= cud/(list coal)
^+ +>
?~ cud +>
=. +> (clap clu.i.cud)
%= $
cud t.cud
cur.saw (dec cur.saw)
rey.saw +(rey.saw)
==
:: ::
++ ship :: send packets
|= {now/@da cly/(list clue)}
^+ +>
?: (gte cur.saw max.saw) +>
?: =(0 rey.saw)
?~ cly +>
$(cly t.cly, +> (fire now i.cly))
=^ clu lop ~(get to lop)
$(+> (fire(rey.saw (dec rey.saw)) now clu))
:: ::
++ wait :: next wakeup
^- (unit @da)
=+ tup=`(unit coal)`~(top to liv)
?~(tup ~ `lod.u.tup)
:: ::
++ want :: window space
^- @ud
?: (gte cur.saw max.saw) 0
=+ gap=(sub max.saw cur.saw)
?: (gte rey.saw gap) 0
(sub gap rey.saw)
::
++ work ::
|= {now/@da job/task} :: perform
^+ +>
?- -.job
$back (back now [p q r]:job)
$cull (cull p.job)
$pack (ship now p.job)
$wake (flay now)
==
--
--
:: ::
:::: knit :::: message encoder
:: ::
++ knit
=> |%
++ gift :: side effect
$% {$line exp/@da key/code} :: set symmetric key
== ::
--
|= {her/@p det/pipe}
|= {now/@da eny/@ ham/meal}
=+ hom=(jam ham)
^- (pair (list gift) (list rock))
=< weft
|%
++ wain :: message identity
^- flea
?+ -.ham [0 0]
$bond p.ham
$carp [kos liq]:p.ham
==
::
++ wasp ^-({p/skin q/@} [%none hom]) :: null security
++ weft :: fragment message
^- (pair (list gift) (list rock))
=+ gum=wisp
:- p.gum
=+ wit=(met 13 q.q.gum)
?: =(1 wit)
:: message fits in one packet, don't fragment
[(spit [our her] p.q.gum q.q.gum) ~]
=+ ruv=(rip 13 q.q.gum)
=+ inx=0
|- ^- (list rock)
?~ ruv ~
:_ $(ruv t.ruv, inx +(inx))
%+ spit
[our her]
wasp(ham [%carp [wain (ksin p.q.gum) wit] inx i.ruv])
::
++ wisp :: generate message
^- (pair (list gift) (pair skin @))
?: =(%carp -.ham)
[~ wasp]
?^ out.det
:- ~
:- %fast
%^ cat 7
p.u.out.det
(en:crub q.u.out.det hom)
=+ cry=(nol:nu:crub (~(got by war.det) p.cur.det))
?~ q.cur.det
:- ~
:- %open
%^ jam
[~ p.cur.det]
gyr.det
(sign:as:cry *code hom)
=+ key=(shaz :(mix (mug ham) now eny))
:- [%line ~2018.1.1 key]~
:- %full
%^ jam
[u.q.cur.det p.cur.det]
gyr.det
(seal:as:cry (~(got by pub.det) u.q.cur.det) key hom)
--
:: ::
:::: rail :::: message manager
:: ::
++ rail ::
=> |% ::
++ gift ::
$% {$line p/@da q/code} :: sent key
{$mack p/bole q/coop} :: message ack
{$send p/flap q/rock} :: release packet
== ::
++ task ::
$% {$back p/flap q/coop r/@dr} :: raw ack
{$mess p/chan q/*} :: send message
{$wake $~} :: random wakeup
== ::
-- ::
=| $: $: $: her/ship
det/pipe
==
$: now/@da
eny/@
==
kos/bole
mup/_(yawn:pump)
fex/(list gift)
==
colt
==
=* cot ->
|% ::
++ abet [(flop fex) `colt`cot] :: resolve
++ view :: inspect
|% ::
++ bulk :: queue count
^- @ud
|-(?~(cob 0 :(add 1 $(cob l.cob) $(cob r.cob))))
:: ::
++ wait :: next wakeup
^- (unit @da)
wait:mup
--
::
++ work ::
|= job/task :: compute
^+ +>
=< +>:wy-abet:wy-work
|% ::
++ wy-abet +:wy-able :: resolve
++ wy-able wy-tire:wy-ably:wy-feed:wy-ably :: converge
++ wy-ably :: drain
^+ .
=^ fix myn abet:mup
=. mup (yawn:pump myn)
|- ^+ +>.$
?~ fix +>.$
$(fix t.fix, +>.$ (wy-abut i.fix))
:: ::
++ wy-abut :: pump effect
|= fic/gift:pump
^+ +>
?- -.fic
$good
:: ~& [%ok her `@p`(mug p.fic) r.fic]
(wy-good q.fic s.fic)
::
$send
:: ~& [%go her `@p`(mug p.fic) q.fic]
+>(fex [[%send p.fic r.fic] fex])
==
:: ::
++ wy-back :: hear an ack
|= {dam/flap cop/coop lag/@dr}
:: ~& [%wy-back (flam dam) cop lag]
+>(mup (work:mup now %back dam cop lag))
:: ::
++ wy-feed :: feed pump
^+ .
=^ cly . (wy-find want.mup)
:: ~& [%wy-feed want.mup (lent cly)]
+(mup (work:mup now %pack cly))
:: ::
++ wy-find :: collect packets
|= may/@ud
^- {(list clue) _+>}
=- [(flop -<) ->]
=+ [inx=lac hav=*(list clue)]
|- ^- {(list clue) _+>.^$}
?: |(=(0 may) =(inx seq)) [hav +>.^$]
=^ hey +>.^$ (wy-flow inx may hav)
$(inx +(inx), may p.hey, hav q.hey)
:: ::
++ wy-flow :: collect by message
|= {tiq/tick may/@ud hav/(list clue)}
=+ mob=(~(got by cob) tiq)
|- ^- {(pair @ud (list clue)) _+>.^$}
?: |(=(0 may) ?=($~ cly.mob))
[[may hav] +>.^$(cob (~(put by cob) tiq mob))]
%= $
may (dec may)
hav [i.cly.mob hav]
cly.mob t.cly.mob
==
:: ::
++ wy-good :: message ack
|= {paz/part cop/coop}
^+ +>
=+ bum=(~(get by cob) q.paz)
?: |(?=($~ bum) =(~ cly.u.bum))
:: ~& [%wy-good-ignore paz ?=($~ cop)]
+>.$
?^ cop
::
:: a failure; save this nack, clear the message
::
~& [%wy-good-fail q.paz]
%_ +>.$
mup (work:mup now %cull q.paz)
cob (~(put by cob) q.paz u.bum(cly ~, cup `cop))
==
?> (lth ack.u.bum num.u.bum)
=. ack.u.bum +(ack.u.bum)
=. cup.u.bum ?.(=(ack.u.bum num.u.bum) ~ [~ ~])
+>.$(cob (~(put by cob) q.paz u.bum))
:: ::
++ wy-mess :: send
|= {cha/chan val/*}
^+ +>
=+ yex=((knit her det) now eny [%bond [(mix kos 1) seq] cha val])
=. fex (weld (flop p.yex) fex)
:: ~& [?:(=(0 (end 0 1 kos)) %tx %bx) her kos seq cha (lent pex)]
%_ +>.$
seq +(seq)
cob
%+ ~(put by cob)
seq
^- comb
:* ~
cha
(lent q.yex)
0
=+ inx=0
|- ?~ q.yex ~
:_ $(q.yex +.q.yex, inx +(inx))
[& [inx seq] (shaf %flap i.q.yex) i.q.yex]
==
==
:: ::
++ wy-tire :: report results
|- ^+ +
=+ zup=(~(get by cob) lac)
?~ zup +.$
?~ cup.u.zup +.$
:: ~& [?:(=(0 (end 0 1 kos)) %ta %ba) her kos lac]
%= $
lac +(lac)
cob (~(del by cob) lac)
fex :_(fex [%mack kos `coop`u.cup.u.zup])
==
:: ::
++ wy-wake :: timeout
^+ .
.(mup (work:mup now %wake ~))
::
++ wy-work
^+ .
?- -.job
$back (wy-back +.job)
$mess (wy-mess +.job)
$wake wy-wake
==
--
:: ::
++ zeal :: default state
^- colt
:* 0 :: seq/tick
0 :: lac/tick
~ :: cob/(map tick comb)
^- mini
:* ^- stat
:* :* 0 :: cur/@ud
2 :: max/@ud
0 :: rey/@ud
==
:* ~s5 :: rtt/@dr
~2010.1.1 :: las/@da
~2010.1.1 :: lad/@da
== ==
~
~
== ==
--
--
. ==
:: ::
:::: :::: kernel interface
:: ::
=| $: syl/silo :: kernel state
== ::
|= {now/@da eny/@ ski/sley} :: current invocation
=> |%
++ look :: get secure channel
|= who/ship
^- pipe
!!
::
++ love ~(. loft [now eny look] syl ~) :: create loft
++ lung :: gift to move
|= gax/gift:loft
^- move
?- -.gax
$east [p.gax %give [%east s.gax]]
$home [~ %give gax]
$link [~ %pass /sec %j gax]
$line [~ %pass /sec %j gax]
$meet [~ %pass /sec %j gax]
$rest [p.gax %give %rest q.gax]
$send [~ %give gax]
$view [~ %pass /sec %j gax]
$west
=+ pax=/msg/(scot %p p.gax)/(scot %ud q.gax)
=+ cad=[%west p.gax +.r.gax s.gax]
=+ dat=?+(-.r.gax !! $c [%c cad], $e [%e cad], $g [%g cad])
[~ %pass pax dat]
==
::
++ work
|= job/task:loft
^- {(list move) q/_..^$}
=^ fex syl abet:(apex:love job)
[(turn fex lung) ..^$]
--
|% :: vane interface
++ call :: handle request
|= $: hen/duct
hic/(hypo kiss-xmas)
==
^- {p/(list move) q/_..^$}
%- work
^- task:loft
?- -.q.hic
$hear q.hic
$mess [%mess p.q.hic hen q.q.hic r.q.hic]
$wake q.hic
==
::
++ doze
|= {now/@da hen/duct}
^- (unit @da)
doze:love
::
++ load
|= old/silo
^+ ..^$
..^$(syl old)
::
++ scry
|= {fur/(unit (set monk)) ren/@tas why/shop syd/desk lot/coin tyl/path}
^- (unit (unit cage))
~
::
++ stay syl
++ take :: accept response
|= {tea/wire hen/duct hin/(hypo sign-arvo)}
^- {p/(list move) q/_..^$}
%- work
?+ -.tea !!
$msg
?> ?=({@ @ $~} +.tea)
=+ [who kos]=[(slav %p i.t.tea) (slav %ud i.t.t.tea)]
?> ?=(?($rend $mack) +<.q.hin)
?- +<.q.hin
$rend [%rend who kos p.+.q.hin q.+.q.hin]
$mack [%done who kos ?~(p.+.q.hin ~ `coop`[~ `[%fail u.p.+.q.hin]])]
==
::
$sec
?> ?=($clue +<.q.hin)
+.q.hin
==
--