qiniu_http_client

Struct RandomizedBackoff

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pub struct RandomizedBackoff<P: ?Sized> { /* private fields */ }
Expand description

均匀分布随机化退避时长提供者

基于一个退避时长提供者并为其增加随机化范围

默认的随机化范围是 [1/2, 3/2]

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impl<P> RandomizedBackoff<P>

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pub const fn new( base_backoff: P, minification: Ratio<u8>, magnification: Ratio<u8>, ) -> Self

创建均匀分布随机化退避时长提供者

需要提供随机化范围，其中随机化范围由最小随机比率和最大随机比率组成，返回的退避时长为 random(base_backoff * minification, base_backoff * magnification)

需要注意，提供的随机比率的分母必须大于 0。

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pub const fn base_backoff(&self) -> &P

获取基础退避时长提供者

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pub const fn minification(&self) -> Ratio<u8>

获取最小随机比率

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pub const fn magnification(&self) -> Ratio<u8>

获取最大随机比率

Trait Implementations§

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impl<P: Backoff + Clone> Backoff for RandomizedBackoff<P>

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fn time( &self, request: &mut HttpRequestParts<'_>, opts: BackoffOptions<'_>, ) -> GotBackoffDuration

获取退避时长
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impl<P: Clone + ?Sized> Clone for RandomizedBackoff<P>

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fn clone(&self) -> RandomizedBackoff<P>

Returns a copy of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<P: Debug + ?Sized> Debug for RandomizedBackoff<P>

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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<P: Default> Default for RandomizedBackoff<P>

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fn default() -> Self

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

Auto Trait Implementations§

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impl<P> Freeze for RandomizedBackoff<P>
where P: Freeze + ?Sized,

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impl<P> RefUnwindSafe for RandomizedBackoff<P>
where P: RefUnwindSafe + ?Sized,

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impl<P> Send for RandomizedBackoff<P>
where P: Send + ?Sized,

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impl<P> Sync for RandomizedBackoff<P>
where P: Sync + ?Sized,

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impl<P> Unpin for RandomizedBackoff<P>
where P: Unpin + ?Sized,

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impl<P> UnwindSafe for RandomizedBackoff<P>
where P: UnwindSafe + ?Sized,

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