actix_tracing

# Struct TracingService

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    pub struct TracingService<S, F> { /* private fields */ }

Expand description

A `Service` implementation that automatically enters/exits tracing spans for the wrapped inner service.

## Implementations§

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### impl<S, F> TracingService<S, F>

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#### pub fn new(inner: S, make_span: F) -> Self

## Trait Implementations§

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### impl<S: Clone, F: Clone> Clone for TracingService<S, F>

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#### fn clone(&self) -> TracingService<S, F>

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<S, Req, F> Service<Req> for TracingService<S, F>
where S: Service<Req>, F: Fn(&Req) -> Option<Span>,

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#### type Response = <S as Service<Req>>::Response

Responses given by the service.
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#### type Error = <S as Service<Req>>::Error

Errors produced by the service when polling readiness or executing call.
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#### type Future = Either<<S as Service<Req>>::Future, Instrumented<<S as Service<Req>>::Future>>

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: Req) -> Self::Future

Process the request and return the response asynchronously. Read more

## Auto Trait Implementations§

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### impl<S, F> Freeze for TracingService<S, F>
where S: Freeze, F: Freeze,

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### impl<S, F> RefUnwindSafe for TracingService<S, F>
where S: RefUnwindSafe, F: RefUnwindSafe,

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### impl<S, F> Send for TracingService<S, F>
where S: Send, F: Send,

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### impl<S, F> Sync for TracingService<S, F>
where S: Sync, F: Sync,

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### impl<S, F> Unpin for TracingService<S, F>
where S: Unpin, F: Unpin,

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### impl<S, F> UnwindSafe for TracingService<S, F>
where S: UnwindSafe, F: 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> CloneToUninit for T
where T: Clone,

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#### unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (`clone_to_uninit`)
Performs copy-assignment from `self` to `dst`. 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> 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> 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<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<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> 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> 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