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BeatOutcome

Enum BeatOutcome 

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pub enum BeatOutcome {
    Sent,
    Dropped(DropReason),
    Failed(BeatError),
}
Expand description

Result of a single Varta::beat call.

beat() never blocks and never panics; the kernel’s view of the send is translated into one of three steady-state outcomes. Failed carries the underlying error for higher layers that wish to log or escalate.

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Sent

The 32-byte datagram was accepted by the kernel.

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Dropped(DropReason)

The kernel could not accept the datagram; the agent should treat this as a no-op. The DropReason payload identifies the underlying cause and lets operators distinguish “observer absent” from “peer gone” from “kernel pressure” from “disk full”.

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Failed(BeatError)

An unexpected I/O error surfaced from the underlying send(2). Callers wanting an io::Error can call BeatError::to_io_error.

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impl Debug for BeatOutcome

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for BeatOutcome

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.