kutil_http::tower::caching

Struct CachingService

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pub struct CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT = CommonCacheKey>
where
    CacheT: Cache<CacheKeyT>,
    CacheKeyT: CacheKey,
{ /* private fields */ }
Available on crate feature tower only.
Expand description

HTTP response caching service.

See CachingLayer.

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>
where CacheT: Cache<CacheKeyT>, CacheKeyT: CacheKey,

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pub fn new( inner_service: InnerServiceT, caching: MiddlewareCachingConfiguration<RequestBodyT, CacheT, CacheKeyT>, encoding: MiddlewareEncodingConfiguration, ) -> Self

Constuctor.

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> Clone for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>
where InnerServiceT: Clone, CacheT: Cache<CacheKeyT>, CacheKeyT: CacheKey,

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fn clone(&self) -> Self

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<InnerServiceT, RequestBodyT, ResponseBodyT, ErrorT, CacheT, CacheKeyT> Service<Request<RequestBodyT>> for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>
where InnerServiceT: 'static + Service<Request<RequestBodyT>, Response = Response<ResponseBodyT>, Error = ErrorT> + Clone + Send, InnerServiceT::Future: Send, RequestBodyT: 'static + Send, ResponseBodyT: 'static + Body + From<Bytes> + Send + Unpin, ResponseBodyT::Data: From<Bytes> + Send, ResponseBodyT::Error: Into<CapturedError>, CacheT: Cache<CacheKeyT>, CacheKeyT: CacheKey,

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type Response = Response<TranscodingBody<ResponseBodyT>>

Responses given by the service.
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type Error = <InnerServiceT as Service<Request<RequestBodyT>>>::Error

Errors produced by the service.
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type Future = Pin<Box<dyn Future<Output = Result<<CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> as Service<Request<RequestBodyT>>>::Response, <CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> as Service<Request<RequestBodyT>>>::Error>> + Send>>

The future response value.
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fn poll_ready( &mut self, context: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Returns Poll::Ready(Ok(())) when the service is able to process requests. Read more
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fn call(&mut self, request: Request<RequestBodyT>) -> Self::Future

Process the request and return the response asynchronously. Read more

Auto Trait Implementations§

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> Freeze for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>
where InnerServiceT: Freeze, CacheT: Freeze,

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT = CommonCacheKey> !RefUnwindSafe for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> Send for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>
where InnerServiceT: Send,

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> Sync for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>
where InnerServiceT: Sync,

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT> Unpin for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>
where InnerServiceT: Unpin, CacheT: Unpin,

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impl<InnerServiceT, RequestBodyT, CacheT, CacheKeyT = CommonCacheKey> !UnwindSafe for CachingService<InnerServiceT, RequestBodyT, CacheT, CacheKeyT>

Blanket 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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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> CloneToUninit for T
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)
Performs copy-assignment from self to dest. 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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<S, R> ServiceExt<R> for S
where S: Service<R>,

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fn into_make_service(self) -> IntoMakeService<S>

Convert this service into a MakeService, that is a Service whose response is another service. Read more
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fn into_make_service_with_connect_info<C>( self, ) -> IntoMakeServiceWithConnectInfo<S, C>

Convert this service into a MakeService, that will store C’s associated ConnectInfo in a request extension such that ConnectInfo can extract it. Read more
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fn handle_error<F, T>(self, f: F) -> HandleError<Self, F, T>

Convert this service into a HandleError, that will handle errors by converting them into responses. Read more
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impl<T, Request> ServiceExt<Request> for T
where T: Service<Request> + ?Sized,

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fn ready(&mut self) -> Ready<'_, Self, Request>
where Self: Sized,

Yields a mutable reference to the service when it is ready to accept a request.
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fn ready_oneshot(self) -> ReadyOneshot<Self, Request>
where Self: Sized,

Yields the service when it is ready to accept a request.
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fn oneshot(self, req: Request) -> Oneshot<Self, Request>
where Self: Sized,

Consume this Service, calling it with the provided request once it is ready.
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fn call_all<S>(self, reqs: S) -> CallAll<Self, S>
where Self: Sized, S: Stream<Item = Request>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more
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fn and_then<F>(self, f: F) -> AndThen<Self, F>
where Self: Sized, F: Clone,

Executes a new future after this service’s future resolves. This does not alter the behaviour of the poll_ready method. Read more
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fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F>
where Self: Sized, F: FnOnce(Self::Response) -> Response + Clone,

Maps this service’s response value to a different value. This does not alter the behaviour of the poll_ready method. Read more
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fn map_err<F, Error>(self, f: F) -> MapErr<Self, F>
where Self: Sized, F: FnOnce(Self::Error) -> Error + Clone,

Maps this service’s error value to a different value. This does not alter the behaviour of the poll_ready method. Read more
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fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

Maps this service’s result type (Result<Self::Response, Self::Error>) to a different value, regardless of whether the future succeeds or fails. Read more
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fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F>
where Self: Sized, F: FnMut(NewRequest) -> Request,

Composes a function in front of the service. Read more
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fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F>
where Self: Sized, Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone, Fut: Future<Output = Result<Response, Error>>,

Composes an asynchronous function after this service. Read more
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fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F>
where Self: Sized, F: FnMut(Self::Future) -> Fut, Error: From<Self::Error>, Fut: Future<Output = Result<Response, Error>>,

Composes a function that transforms futures produced by the service. Read more
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fn boxed(self) -> BoxService<Request, Self::Response, Self::Error>
where Self: Sized + Send + 'static, Self::Future: Send + 'static,

Convert the service into a Service + Send trait object. Read more
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fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error>
where Self: Sized + Clone + Send + 'static, Self::Future: Send + 'static,

Convert the service into a Service + Clone + Send trait object. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,