# `Opsmaru.Incus.Gateway.Lease`
[🔗](https://github.com/upmaru/opsmaru-incus/blob/v0.1.0/lib/opsmaru/incus/gateway/lease.ex#L1)

Exchange-local admission/revocation guard reusable by protocol adapters.

Created only for an admitted exchange, never on dependency load. Rechecks
the original grant through Policy with a hard callback deadline. Every
exchange, including anonymous local discovery/enrollment, monitors its
original admission pid. Anonymous exchanges acquire no grant and skip grant
rechecks, but still terminate when their admission stops. The entire
polling period, callback budget and interruption grace fit inside
`recheck_interval` (at most five seconds). An adapter must supply an
interruption function that closes blocked frontend I/O; the guard also ends
the exchange process so its owned backend sockets close. No cleanup calls
the host, opens a backend or cancels a native operation.

# `check`

# `start`

# `stop`

# `valid?`

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*Consult [api-reference.md](api-reference.md) for complete listing*