PickGuardError

tor_guardmgr

Enum PickGuardError 

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#[non_exhaustive]
pub enum PickGuardError {
    AllGuardsDown {
        retry_at: Option<Instant>,
        running: FilterCount,
        pending: FilterCount,
        suitable: FilterCount,
        filtered: FilterCount,
    },
    AllFallbacksDown {
        retry_at: Option<Instant>,
        running: FilterCount,
        filtered: FilterCount,
    },
    NoCandidatesAvailable,
    Internal(Bug),
}
Expand description

A error caused by a failure to pick a guard.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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AllGuardsDown

All members of the current sample were down or unusable.

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§retry_at: Option<Instant>

The next time at which any guard will be retriable.

§running: FilterCount

How many guards we rejected because they had failed too recently.

§pending: FilterCount

How many guards we rejected because we are already probing them.

§suitable: FilterCount

How many guards we rejected as unsuitable for the intended application.

§filtered: FilterCount

How many guards we rejected because of the provided filter.

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AllFallbacksDown

We have no usable fallback directories.

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§retry_at: Option<Instant>

The next time at which any fallback directory will back available.

§running: FilterCount

The number of fallbacks that were believed to be running or down, after applying the filter.

§filtered: FilterCount

The number of fallbacks that satisfied our filter, or did not.

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NoCandidatesAvailable

Tried to select guards or fallbacks from an empty list.

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Internal(Bug)

An internal programming error occurred.

Trait Implementations§

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impl Clone for PickGuardError

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fn clone(&self) -> PickGuardError

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PickGuardError

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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 PickGuardError

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

Formats the value using the given formatter. Read more
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impl Error for PickGuardError

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fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
Read more
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl From<Bug> for PickGuardError

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fn from(source: Bug) -> Self

Converts to this type from the input type.
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impl HasKind for PickGuardError

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fn kind(&self) -> ErrorKind

Return the kind of this error.
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impl HasRetryTime for PickGuardError

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fn retry_time(&self) -> RetryTime

Return the time when the operation that gave this error can be retried. Read more
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fn abs_retry_time<F>(&self, now: Instant, choose_delay: F) -> AbsRetryTime
where F: FnOnce() -> Duration, Self: Sized,

Return an absolute retry when the operation that gave this error can be retried. Read more

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 80 bytes

Size for each variant:

  • AllGuardsDown: 80 bytes
  • AllFallbacksDown: 48 bytes
  • NoCandidatesAvailable: 0 bytes
  • Internal: 8 bytes