Struct tor_dirmgr::bridgedesc::BridgeDescDownloadConfig

source · 
pub struct BridgeDescDownloadConfig {
    parallelism: NonZeroU8,
    retry: Duration,
    prefetch: Duration,
    min_refetch: Duration,
    max_refetch: Duration,
}
Available on crate feature bridge-client only.
Expand description

Configuration for the BridgeDescMgr

Currently, the only way to make this is via its Default impl.

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§parallelism: NonZeroU8

How many bridge descriptor downloads to attempt in parallel?

§retry: Duration

Default/initial time to retry a failure to download a descriptor

(This has the semantics of an initial delay for RetryDelay, and is used unless there is more specific retry information for the particular failure.)

§prefetch: Duration

When a downloaded descriptor is going to expire, how soon in advance to refetch it?

§min_refetch: Duration

Minimum interval between successive refetches of the descriptor for the same bridge

This limits the download activity which can be caused by an errant bridge.

If the descriptor’s validity information is shorter than this, we will use it after it has expired (rather than treating the bridge as broken).

§max_refetch: Duration

Maximum interval between successive refetches of the descriptor for the same bridge

This sets an upper bound on how old a descriptor we are willing to use. When this time expires, a refetch attempt will be started even if the descriptor is not going to expire soon.

Trait Implementations§

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impl Clone for BridgeDescDownloadConfig

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fn clone(&self) -> BridgeDescDownloadConfig

Returns a copy 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 BridgeDescDownloadConfig

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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 Default for BridgeDescDownloadConfig

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fn default() -> Self

Returns the “default value” for a type. Read more

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