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321 lines
7.7 KiB
Plaintext
321 lines
7.7 KiB
Plaintext
:: metadata-hook [landscape]:
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::
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:: allow syncing foreign metadata
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::
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:: watch paths:
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:: /group/%group-path all updates related to this group
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::
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/- *metadata-store, *metadata-hook
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/+ default-agent, dbug, verb, grpl=group, *migrate
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~% %metadata-hook-top ..is ~
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|%
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+$ card card:agent:gall
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+$ versioned-state
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$% state-zero
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state-one
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==
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::
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+$ state-zero
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$: %0
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synced=(map group-path ship)
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==
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+$ state-one
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$: %1
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synced=(map group-path ship)
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==
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--
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=| state-one
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=* state -
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%- agent:dbug
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%+ verb |
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^- agent:gall
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=<
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|_ =bowl:gall
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+* this .
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hc ~(. +> bowl)
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def ~(. (default-agent this %|) bowl)
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::
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++ on-init
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[[%pass /updates %agent [our.bowl %metadata-store] %watch /updates]~ this]
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::
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++ on-save !>(state)
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++ on-load
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|= =vase
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=/ old
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!<(versioned-state vase)
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?: ?=(%1 -.old)
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`this(state old)
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:: groups OTA did not migrate metadata syncs
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:: we clear our syncs, and wait for metadata-store
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:: to poke us with the syncs
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`this
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::
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++ on-leave on-leave:def
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++ on-peek
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|= =path
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^- (unit (unit cage))
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?+ path (on-peek:def path)
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[%x %export ~]
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``noun+!>(state)
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==
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::
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++ on-arvo
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|= [=wire =sign-arvo]
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^- (quip card _this)
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?. ?=([%try-rejoin @ @ *] wire)
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(on-arvo:def wire sign-arvo)
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=/ nack-count=@ud (slav %ud i.t.wire)
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=/ who=@p (slav %p i.t.t.wire)
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=/ pax t.t.t.wire
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?> ?=([%b %wake *] sign-arvo)
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~? ?=(^ error.sign-arvo)
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"behn errored in backoff timers, continuing anyway"
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:_ this
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[(try-rejoin:hc who pax +(nack-count))]~
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::
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++ on-fail on-fail:def
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::
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++ on-poke
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|= [=mark =vase]
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^- (quip card _this)
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?+ mark (on-poke:def mark vase)
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%metadata-hook-action
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=^ cards state
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(poke-hook-action:hc !<(metadata-hook-action vase))
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[cards this]
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::
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%metadata-action
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[(poke-action:hc !<(metadata-action vase)) this]
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::
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%import
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?> (team:title our.bowl src.bowl)
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=^ cards state
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(poke-import:hc q.vase)
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[cards this]
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==
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::
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++ on-watch
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|= =path
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^- (quip card _this)
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?+ path (on-watch:def path)
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[%group *] [(watch-group:hc t.path) this]
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==
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::
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++ on-agent
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|= [=wire =sign:agent:gall]
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^- (quip card _this)
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?+ -.sign (on-agent:def wire sign)
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%kick =^(cards state (kick:hc wire) [cards this])
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%watch-ack =^(cards state (watch-ack:hc wire p.sign) [cards this])
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%fact
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?+ p.cage.sign (on-agent:def wire sign)
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%metadata-update
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=^ cards state
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(fact-metadata-update:hc wire !<(metadata-update q.cage.sign))
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[cards this]
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==
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==
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--
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::
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|_ =bowl:gall
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+* grp ~(. grpl bowl)
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++ poke-hook-action
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|= act=metadata-hook-action
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^- (quip card _state)
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|^
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?- -.act
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%add-owned
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?> (team:title our.bowl src.bowl)
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:- ~
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?: (~(has by synced) path.act) state
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state(synced (~(put by synced) path.act our.bowl))
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::
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%add-synced
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?> (team:title our.bowl src.bowl)
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=/ =path [%group path.act]
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?: (~(has by synced) path.act) [~ state]
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:_ state(synced (~(put by synced) path.act ship.act))
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[%pass path %agent [ship.act %metadata-hook] %watch path]~
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::
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%remove
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=/ ship (~(get by synced) path.act)
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?~ ship [~ state]
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?: &(!=(u.ship src.bowl) ?!((team:title our.bowl src.bowl)))
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[~ state]
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:_ state(synced (~(del by synced) path.act))
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%- zing
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:~ (unsubscribe [%group path.act] u.ship)
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[%give %kick ~[[%group path.act]] ~]~
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==
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==
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::
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++ unsubscribe
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|= [=path =ship]
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^- (list card)
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?: =(ship our.bowl)
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[%pass path %agent [our.bowl %metadata-store] %leave ~]~
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[%pass path %agent [ship %metadata-hook] %leave ~]~
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--
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::
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++ poke-action
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|= act=metadata-action
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^- (list card)
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|^
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?: (team:title our.bowl src.bowl)
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?- -.act
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%add (send group-path.act)
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%remove (send group-path.act)
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==
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?> (is-member:grp src.bowl group-path.act)
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?- -.act
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%add (metadata-poke our.bowl %metadata-store)
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%remove (metadata-poke our.bowl %metadata-store)
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==
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::
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++ send
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|= =group-path
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^- (list card)
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=/ =ship
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%+ slav %p
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(snag 1 group-path)
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=/ app ?:(=(ship our.bowl) %metadata-store %metadata-hook)
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(metadata-poke ship app)
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::
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++ metadata-poke
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|= [=ship app=@tas]
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^- (list card)
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[%pass / %agent [ship app] %poke %metadata-action !>(act)]~
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::
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++ is-managed
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|= =path
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^- ?
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?> ?=(^ path)
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!=(i.path '~')
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--
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::
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++ poke-import
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|= arc=*
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^- (quip card _state)
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=/ sty=state-one
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[%1 (remake-map ;;((tree [group-path ship]) +.arc))]
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:_ sty
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%+ murn ~(tap by synced.sty)
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|= [=group-path =ship]
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?: =(ship our.bowl)
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~
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=/ =path [%group group-path]
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`(try-rejoin ship path 0)
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::
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++ try-rejoin
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|= [who=@p pax=path nack-count=@ud]
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^- card
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=/ =wire
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[%try-rejoin (scot %ud nack-count) (scot %p who) pax]
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[%pass wire %agent [who %metadata-hook] %watch pax]
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::
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++ watch-group
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|= =path
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^- (list card)
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|^
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?> =(our.bowl (~(got by synced) path))
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?> (is-member:grp src.bowl path)
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%+ turn ~(tap by (metadata-scry path))
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|= [[=group-path =md-resource] =metadata]
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^- card
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[%give %fact ~ %metadata-update !>([%add group-path md-resource metadata])]
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::
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++ metadata-scry
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|= pax=^path
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^- associations
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=. pax
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;: weld
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/(scot %p our.bowl)/metadata-store/(scot %da now.bowl)/group
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pax
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/noun
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==
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.^(associations %gx pax)
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--
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::
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++ fact-metadata-update
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|= [wir=wire fact=metadata-update]
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^- (quip card _state)
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|^
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[?:((team:title our.bowl src.bowl) handle-local handle-foreign) state]
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::
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++ handle-local
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?+ -.fact ~
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%add
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?. (~(has by synced) group-path.fact) ~
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(give group-path.fact fact)
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::
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%update-metadata
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?. (~(has by synced) group-path.fact) ~
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(give group-path.fact fact)
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::
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%remove
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?. (~(has by synced) group-path.fact) ~
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(give group-path.fact fact)
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==
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::
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++ handle-foreign
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?+ -.fact ~
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%add
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?. =(src.bowl (~(got by synced) group-path.fact)) ~
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(poke fact)
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::
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%update-metadata
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?. =(src.bowl (~(got by synced) group-path.fact)) ~
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(poke [%add +.fact])
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::
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%remove
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?. =(src.bowl (~(got by synced) group-path.fact)) ~
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(poke fact)
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==
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::
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++ give
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|= [=path upd=metadata-update]
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^- (list card)
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[%give %fact ~[[%group path]] %metadata-update !>(upd)]~
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::
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++ poke
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|= act=metadata-action
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^- (list card)
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[%pass / %agent [our.bowl %metadata-store] %poke %metadata-action !>(act)]~
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--
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::
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++ kick
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|= wir=wire
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^- (quip card _state)
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:_ state
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|-
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?+ wir !!
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[%try-rejoin @ @ *]
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$(wir t.t.t.wir)
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::
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[%updates ~]
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[%pass /updates %agent [our.bowl %metadata-store] %watch /updates]~
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::
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[%group @ *]
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?. (~(has by synced) t.wir) ~
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=/ =ship (~(got by synced) t.wir)
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?: =(ship our.bowl)
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[%pass wir %agent [our.bowl %metadata-store] %watch wir]~
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[%pass wir %agent [ship %metadata-hook] %watch wir]~
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==
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::
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++ watch-ack
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|= [wir=wire saw=(unit tang)]
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^- (quip card _state)
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?: ?=([%try-rejoin @ *] wir)
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?~ saw
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[~ state]
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=/ nack-count=@ud (slav %ud i.t.wir)
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=/ wakeup=@da
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(add now.bowl (mul ~s1 (bex (min 19 nack-count))))
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:_ state
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[%pass wir %arvo %b %wait wakeup]~
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?> ?=(^ wir)
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[~ ?~(saw state state(synced (~(del by synced) t.wir)))]
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::
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--
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