RequestSpanMiddleware

headless_lms_server::domain::request_span_middleware

Struct RequestSpanMiddleware 

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pub struct RequestSpanMiddleware<S> {
    service: S,
}
Expand description

Wraps HTTP requests into tokio tracing spans, helps with debugging.

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§service: S

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impl<S, B> Service<ServiceRequest> for RequestSpanMiddleware<S>
where S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>, S::Future: 'static, B: 'static,

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type Response = ServiceResponse<B>

Responses given by the service.
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type Error = Error

Errors produced by the service when polling readiness or executing call.
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type Future = Pin<Box<dyn Future<Output = Result<<RequestSpanMiddleware<S> as Service<ServiceRequest>>::Response, <RequestSpanMiddleware<S> as Service<ServiceRequest>>::Error>>>>

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

Returns Ready when the service is able to process requests. Read more
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fn call(&self, req: ServiceRequest) -> Self::Future

Process the request and return the response asynchronously. Read more

Auto Trait Implementations§

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impl<S> Freeze for RequestSpanMiddleware<S>
where S: Freeze,

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impl<S> RefUnwindSafe for RequestSpanMiddleware<S>
where S: RefUnwindSafe,

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impl<S> Send for RequestSpanMiddleware<S>
where S: Send,

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impl<S> Sync for RequestSpanMiddleware<S>
where S: Sync,

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impl<S> Unpin for RequestSpanMiddleware<S>
where S: Unpin,

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impl<S> UnwindSafe for RequestSpanMiddleware<S>
where S: UnwindSafe,

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<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> Chain<T> for T

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fn len(&self) -> usize

The number of items that this chain link consists of.
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fn append_to(self, v: &mut Vec<T>)

Append the elements in this link to the chain.
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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> 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<S, Req> IntoService<S, Req> for S
where S: Service<Req>,

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fn into_service(self) -> S

Convert to a Service
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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<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<S, Req> ServiceExt<Req> for S
where S: Service<Req>,

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fn map<F, R>(self, f: F) -> Map<Self, F, Req, R>
where Self: Sized, F: FnMut(Self::Response) -> R,

Map this service’s output to a different type, returning a new service of the resulting type. Read more
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fn map_err<F, E>(self, f: F) -> MapErr<Self, Req, F, E>
where Self: Sized, F: Fn(Self::Error) -> E,

Map this service’s error to a different error, returning a new service. Read more
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fn and_then<I, S1>(self, service: I) -> AndThenService<Self, S1, Req>
where Self: Sized, I: IntoService<S1, Self::Response>, S1: Service<Self::Response, Error = Self::Error>,

Call another service after call to this one has resolved successfully. Read more
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impl<T> ServiceExt for T

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fn map_response_body<F>(self, f: F) -> MapResponseBody<Self, F>
where Self: Sized,

Apply a transformation to the response body. Read more
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fn decompression(self) -> Decompression<Self>
where Self: Sized,

Decompress response bodies. Read more
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fn trace_for_http(self) -> Trace<Self, SharedClassifier<ServerErrorsAsFailures>>
where Self: Sized,

High level tracing that classifies responses using HTTP status codes. Read more
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fn trace_for_grpc(self) -> Trace<Self, SharedClassifier<GrpcErrorsAsFailures>>
where Self: Sized,

High level tracing that classifies responses using gRPC headers. Read more
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fn follow_redirects(self) -> FollowRedirect<Self>
where Self: Sized,

Follow redirect resposes using the Standard policy. 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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,