cat_gateway::service::utilities::middleware::metrics_updater

Struct MetricsUpdaterMiddleware

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pub struct MetricsUpdaterMiddleware {
    registry: Registry,
}
Expand description

A Middleware wrapping the Prometheus registry to report as metrics.

The middleware is originally from poem::endpoint::PrometheusExporter.

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§registry: Registry

The Prometheus registry.

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impl MetricsUpdaterMiddleware

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pub fn new() -> Self

Create a PrometheusExporter endpoint.

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impl Endpoint for MetricsUpdaterMiddleware

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type Output = Response

Represents the response of the endpoint.
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async fn call(&self, req: Request) -> Result<Self::Output>

Get the response to the request.
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fn get_response(&self, req: Request) -> impl Future<Output = Response> + Send

Get the response to the request and return a [Response]. Read more

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fn conv<T>(self) -> T
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fn boxed<'a>( self, ) -> Box<dyn DynEndpoint<Output = <Self::Endpoint as Endpoint>::Output> + 'a>
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Wrap the endpoint in a Box.
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fn with<T>(self, middleware: T) -> <T as Middleware<Self::Endpoint>>::Output
where T: Middleware<Self::Endpoint>, Self: Sized,

Use middleware to transform this endpoint. Read more
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fn with_if<T>( self, enable: bool, middleware: T, ) -> EitherEndpoint<Self, <T as Middleware<Self::Endpoint>>::Output>
where T: Middleware<Self::Endpoint>, Self: Sized,

if enable is true then use middleware to transform this endpoint. Read more
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fn data<T>(self, data: T) -> AddDataEndpoint<Self::Endpoint, T>
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if data is Some(T) then attach the value to the endpoint.
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Maps the request of this endpoint. Read more
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Maps the output of this endpoint. Read more
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fn around<F, Fut, R>(self, f: F) -> Around<Self::Endpoint, F>
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Maps the request and response of this endpoint. Read more
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fn map_to_response(self) -> MapToResponse<Self::Endpoint>
where Self: Sized,

Convert the output of this endpoint into a response. Response. Read more
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fn to_response(self) -> ToResponse<Self::Endpoint>
where Self: Sized,

Convert the output of this endpoint into a response. Response. Read more
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fn map<F, Fut, R, R2>(self, f: F) -> Map<Self::Endpoint, F>
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Maps the response of this endpoint. Read more
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fn and_then<F, Fut, R, R2>(self, f: F) -> AndThen<Self::Endpoint, F>
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Calls f if the result is Ok, otherwise returns the Err value of self. Read more
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fn catch_all_error<F, Fut, R>(self, f: F) -> CatchAllError<Self, F, R>
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Catch all errors and convert it into a response. Read more
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fn catch_error<F, Fut, R, ErrType>( self, f: F, ) -> CatchError<Self, F, R, ErrType>
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Catch the specified type of error and convert it into a response. Read more
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Does something with each error. Read more
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Does something with each specified error type. Read more
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