Struct MetricsLayer 

pub struct MetricsLayer;

Middleware that records per-route request counts and latency histograms.

Wrap any application with this layer once at startup; the data is collected into a global store and emitted via GET /metrics.

use rust_web_server::app::App;
use rust_web_server::core::New;
use rust_web_server::metrics::MetricsLayer;

let app = App::new().wrap(MetricsLayer);

Trait Implementations

impl Middleware for MetricsLayer

fn handle( &self, request: &Request, connection: &ConnectionInfo, next: &dyn Application, ) -> Result<Response, String>