74 lines
2.6 KiB
Nim
74 lines
2.6 KiB
Nim
# SPDX-License-Identifier: ISC
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import syndicate/assertions, syndicate/dataspaces, syndicate/events, syndicate/skeletons
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import preserves, preserves/records
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import asyncdispatch, tables, options
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const N = 100000
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const
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`?_` = init(Discard)
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`?$` = init(Capture, `?_`)
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BoxState = RecordClass(label: symbol"BoxState", arity: 1)
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SetBox = RecordClass(label: symbol"SetBox", arity: 1)
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proc boot(facet: Facet) =
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facet.spawn("box") do (facet: Facet):
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facet.declareField(value, int, 0)
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discard facet.addEndpoint do (facet: Facet) -> EndpointSpec:
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# echo "recomputing published BoxState ", facet.fields.value
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let a = BoxState.init(value.getPreserve)
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result.assertion = some a
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discard facet.addDataflow do (facet: Facet):
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# echo "box dataflow saw new value ", facet.fields.value
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if value.get == N:
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facet.stop do (facet: Facet):
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echo "terminated box root facet"
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discard facet.addEndpoint do (facet: Facet) -> EndpointSpec:
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const a = SetBox.init(`?$`)
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result.analysis = some analyzeAssertion(a)
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proc cb(facet: Facet; evt: EventKind; vs: seq[Value]) =
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if evt == messageEvent:
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facet.scheduleScript do (facet: Facet):
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value.set(vs[0])
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# echo "box updated value ", vs[0]
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result.analysis.get.callback = facet.wrap cb
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const o = Observe.init(SetBox.init(`?$`))
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result.assertion = some o
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facet.spawn("client") do (facet: Facet):
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discard facet.addEndpoint do (facet: Facet) -> EndpointSpec:
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const a = BoxState.init(`?$`)
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result.analysis = some analyzeAssertion(a)
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proc cb(facet: Facet; evt: EventKind; vs: seq[Value]) =
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if evt == addedEvent:
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facet.scheduleScript do (facet: Facet):
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let v = SetBox.init(vs[0].int.succ.toPreserve)
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# echo "client sending ", v
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facet.send(v)
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result.analysis.get.callback = facet.wrap cb
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const o = Observe.init(BoxState.init(`?$`))
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result.assertion = some o
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discard facet.addEndpoint do (facet: Facet) -> EndpointSpec:
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const a = BoxState.init(`?_`)
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result.analysis = some analyzeAssertion(a)
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proc cb(facet: Facet; evt: EventKind; vs: seq[Value]) =
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if evt == removedEvent:
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facet.scheduleScript do (facet: Facet):
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echo "box gone"
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result.analysis.get.callback = facet.wrap cb
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const o = Observe.init(BoxState.init(`?_`))
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result.assertion = some o
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facet.actor.dataspace.ground.addStopHandler do (_: Dataspace):
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echo "stopping box-and-client"
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waitFor bootModule("box-and-client", boot)
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