diff --git a/examples/example_hyper.rs b/examples/example_hyper.rs
index c9d02bc..a6eda1b 100644
--- a/examples/example_hyper.rs
+++ b/examples/example_hyper.rs
@@ -16,9 +16,7 @@ extern crate lazy_static;
#[macro_use]
extern crate prometheus;
-use hyper::header::ContentType;
-use hyper::mime::Mime;
-use hyper::server::{Request, Response, Server};
+use hyper::{header::CONTENT_TYPE, rt::Future, service::service_fn_ok, Body, Response, Server};
use prometheus::{Counter, Encoder, Gauge, HistogramVec, TextEncoder};
@@ -44,24 +42,35 @@ lazy_static! {
}
fn main() {
- let encoder = TextEncoder::new();
- let addr = "127.0.0.1:9898";
- println!("listening addr {:?}", addr);
- Server::http(addr)
- .unwrap()
- .handle(move |_: Request<'_, '_>, mut res: Response<'_>| {
+ let addr = ([127, 0, 0, 1], 9898).into();
+ println!("Listening address: {:?}", addr);
+
+ let new_service = || {
+ let encoder = TextEncoder::new();
+ service_fn_ok(move |_request| {
HTTP_COUNTER.inc();
let timer = HTTP_REQ_HISTOGRAM.with_label_values(&["all"]).start_timer();
let metric_families = prometheus::gather();
let mut buffer = vec![];
encoder.encode(&metric_families, &mut buffer).unwrap();
- res.headers_mut()
- .set(ContentType(encoder.format_type().parse::<Mime>().unwrap()));
- res.send(&buffer).unwrap();
+ HTTP_BODY_GAUGE.set(buffer.len() as f64);
+
+ let response = Response::builder()
+ .status(200)
+ .header(CONTENT_TYPE, encoder.format_type())
+ .body(Body::from(buffer))
+ .unwrap();
timer.observe_duration();
- HTTP_BODY_GAUGE.set(buffer.len() as f64);
+
+ response
})
- .unwrap();
+ };
+
+ let server = Server::bind(&addr)
+ .serve(new_service)
+ .map_err(|e| eprintln!("Server error: {}", e));
+
+ hyper::rt::run(server);
}