Struct merino_web::middleware::metrics::MetricsMiddleware

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pub struct MetricsMiddleware<S> {
    service: S,
}

Expand description

Middleware to record request metrics.

Fields

service: S

The wrapped service.

Trait Implementations

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impl<S, B> Service<ServiceRequest> for MetricsMiddleware<S> where
 S: Service<ServiceRequest, Response = ServiceResponse>,
 B: 'static + MessageBody,
 S::Future: 'static,
 S::Error: Debug,

type Response = <S as Service<ServiceRequest>>::Response

Responses given by the service.

type Error = Error

Errors produced by the service when polling readiness or executing call.

type Future = Pin<Box<dyn Future<Output = Result<<MetricsMiddleware<S> as Service<ServiceRequest>>::Response, <MetricsMiddleware<S> as Service<ServiceRequest>>::Error>> + 'static, Global>>

The future response value.

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fn poll_ready(&self, ctx: &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

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

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

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

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

impl<S> UnwindSafe for MetricsMiddleware<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<'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,

const: unstable · source

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,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> Fake for T

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fn fake(&self) -> U where
Self: FakeBase,

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fn fake_with_rng<U, R>(&self, rng: &mut R) -> U where
R: Rng + ?Sized,
Self: FakeBase,

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impl<T> From<T> for T

const: unstable · source

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 for T where
U: From<T>,

const: unstable · source

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<T> Same<T> for T

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
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
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
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, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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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

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impl<'_, T> Captures<'_> for T where
T: ?Sized,

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Struct merino_web::middleware::metrics::MetricsMiddleware

Fields

Trait Implementations

impl<S, B> Service<ServiceRequest> for MetricsMiddleware<S> where S: Service<ServiceRequest, Response = ServiceResponse<B>>, B: 'static + MessageBody, S::Future: 'static, S::Error: Debug,

type Response = <S as Service<ServiceRequest>>::Response

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<<MetricsMiddleware<S> as Service<ServiceRequest>>::Response, <MetricsMiddleware<S> as Service<ServiceRequest>>::Error>> + 'static, Global>>

fn poll_ready(&self, ctx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>

fn call(&self, req: ServiceRequest) -> Self::Future

Auto Trait Implementations

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

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

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

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

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

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

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

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

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

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

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> Fake for T

fn fake<U>(&self) -> U where Self: FakeBase<U>,

fn fake_with_rng<U, R>(&self, rng: &mut R) -> U where R: Rng + ?Sized, Self: FakeBase<U>,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<S, Req> IntoService<S, Req> for S where S: Service<Req>,

fn into_service(self) -> S

impl<T> Same<T> for T

type Output = T

impl<S, Req> ServiceExt<Req> for S where S: Service<Req>,

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

fn map_err<F, E>(self, f: F) -> MapErr<Self, Req, F, E> where F: Fn(Self::Error) -> E,

fn and_then<I, S1>(self, service: I) -> AndThenService<Self, S1, Req> where I: IntoService<S1, Self::Response>, S1: Service<Self::Response, Error = Self::Error>,

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<'_, T> Captures<'_> for T where T: ?Sized,

impl<T, __> MentionsTy<__> for T where T: ?Sized, __: ?Sized,

impl<S, B> Service<ServiceRequest> for MetricsMiddleware<S> where
S: Service<ServiceRequest, Response = ServiceResponse<B>>,
B: 'static + MessageBody,
S::Future: 'static,
S::Error: Debug,

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

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

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

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

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

impl<T> Any for T where
T: 'static + ?Sized,

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

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

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn fake<U>(&self) -> U where
Self: FakeBase<U>,

fn fake_with_rng<U, R>(&self, rng: &mut R) -> U where
R: Rng + ?Sized,
Self: FakeBase<U>,

impl<T, U> Into<U> for T where
U: From<T>,

impl<S, Req> IntoService<S, Req> for S where
S: Service<Req>,

impl<S, Req> ServiceExt<Req> for S where
S: Service<Req>,

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

fn map_err<F, E>(self, f: F) -> MapErr<Self, Req, F, E> where
F: Fn(Self::Error) -> E,

fn and_then<I, S1>(self, service: I) -> AndThenService<Self, S1, Req> where
I: IntoService<S1, Self::Response>,
S1: Service<Self::Response, Error = Self::Error>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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

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

impl<'_, T> Captures<'_> for T where
T: ?Sized,

impl<T, > MentionsTy<> for T where
T: ?Sized,
__: ?Sized,