56 lines
2.8 KiB
Plaintext
56 lines
2.8 KiB
Plaintext
version 1 .
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embeddedType EntityRef.Cap .
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;---------------------------------------------------------------------------
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; Protocol at *gatekeeper* entities
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; Assertion. Gatekeeper will attempt to resolve `step`, responding with a `Resolved` to
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; `observer`.
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Resolve = <resolve @step Step @observer #!Resolved> .
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Resolved = <accepted @responderSession #!any> / Rejected .
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Step = <<rec> @stepType symbol @details [any ...]> .
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;---------------------------------------------------------------------------
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; Protocol at dataspaces *associated* with gatekeeper entities
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; Assertion. Gatekeeper will compute an appropriate Step from `description` pointing at
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; `target`, and will respond with a `Bound` to `observer` (if supplied).
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Bind = <bind @description Description @target #!any @observer BindObserver> .
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Description = <<rec> @stepType symbol @details [any ...]> .
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BindObserver = @present #!Bound / @absent #f .
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Bound = <bound @step any> / Rejected .
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;---------------------------------------------------------------------------
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; Protocol at client-side dataspaces, for resolution utilities
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; Assertion. In response to observation of this with appropriate captures/wildcards in `addr`
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; and `resolved`, respondent will follow `route.pathSteps` starting from one of the
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; `route.transports`, asserting `ResolvePath` with the final `Resolved` as well as the selected
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; transport `addr` and a `control` for it.
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ResolvePath = <resolve-path @route Route @addr any @control #!TransportControl @resolved Resolved> .
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TransportConnection = <connect-transport @addr any @control #!TransportControl @resolved Resolved> .
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ResolvedPathStep = <path-step @origin #!Resolve @pathStep PathStep @resolved Resolved> .
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PathStep = <<rec> @stepType symbol @details [any ...]> .
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; A `Route` describes a network path that can be followed to reach some target entity.
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;
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; It starts with zero or more possible non-Syndicate `transports`, in preference order. These
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; could be `transportAddress.Tcp` values or similar. They are just suggestions; it's quite
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; possible the endpoint is reachable by some means not listed. The network outside Syndicate
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; is, after all, pretty diverse! In particular, *zero* `transports` may be provided, in which
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; case some out-of-band means has to be used to make that first connection.
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;
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; The `transports` give instructions for contacting the first entity in the `Route` path. Often
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; this will be a `gatekeeper`, or a `noise` protocol endpoint, or both. Occasionally, it may
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; even be the desired target entity. Subsequent `pathSteps` describe how to proceed from the
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; initial entity to the target.
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Route = <route @transports [any ...] @pathSteps PathStep ...> .
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TransportControl = ForceDisconnect .
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ForceDisconnect = <force-disconnect> .
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;---------------------------------------------------------------------------
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Rejected = <rejected @detail any> .
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