qiniu_http_client

Struct CachedResolver

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pub struct CachedResolver<R: ?Sized> { /* private fields */ }
Expand description

域名解析缓存器

为一个域名解析器实例提供内存和文件系统缓存功能

默认缓存 120 秒，清理间隔为 120 秒

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impl<R> CachedResolver<R>

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pub fn builder(backend: R) -> CachedResolverBuilder<R>

创建域名解析缓存构建器

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pub fn persistent_path(&self) -> Option<&Path>

获得持久化路径

仅在文件系统持久化开启的情况下返回有效值

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pub fn auto_persistent(&self) -> Option<bool>

是否开启自动持久化

Trait Implementations§

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impl<R> Clone for CachedResolver<R>

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fn clone(&self) -> Self

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<R: Debug + ?Sized> Debug for CachedResolver<R>

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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<R: Default> Default for CachedResolver<R>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<R: Resolver + 'static> Resolver for CachedResolver<R>

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fn resolve(&self, domain: &str, opts: ResolveOptions<'_>) -> ResolveResult

解析域名 Read more
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fn async_resolve<'a>( &'a self, domain: &'a str, opts: ResolveOptions<'a>, ) -> BoxFuture<'a, ResolveResult>

Available on crate feature async only.
异步解析域名

Auto Trait Implementations§

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impl<R> Freeze for CachedResolver<R>
where R: ?Sized,

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impl<R> !RefUnwindSafe for CachedResolver<R>

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impl<R> Send for CachedResolver<R>
where R: Sync + Send + ?Sized,

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impl<R> Sync for CachedResolver<R>
where R: Sync + Send + ?Sized,

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impl<R> Unpin for CachedResolver<R>
where R: ?Sized,

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impl<R> !UnwindSafe for CachedResolver<R>

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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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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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where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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where Self: Into<T>,

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn instrument(self, span: Span) -> Instrumented<Self>

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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Mutably borrows self and passes that borrow into the pipe function. Read more
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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

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fn tap(self, func: impl FnOnce(&Self)) -> Self

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where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
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