hyper_util/service/
glue.rsuse pin_project_lite::pin_project;
use std::{
future::Future,
pin::Pin,
task::{Context, Poll},
};
use super::Oneshot;
#[derive(Debug, Copy, Clone)]
pub struct TowerToHyperService<S> {
service: S,
}
impl<S> TowerToHyperService<S> {
pub fn new(tower_service: S) -> Self {
Self {
service: tower_service,
}
}
}
impl<S, R> hyper::service::Service<R> for TowerToHyperService<S>
where
S: tower_service::Service<R> + Clone,
{
type Response = S::Response;
type Error = S::Error;
type Future = TowerToHyperServiceFuture<S, R>;
fn call(&self, req: R) -> Self::Future {
TowerToHyperServiceFuture {
future: Oneshot::new(self.service.clone(), req),
}
}
}
pin_project! {
pub struct TowerToHyperServiceFuture<S, R>
where
S: tower_service::Service<R>,
{
#[pin]
future: Oneshot<S, R>,
}
}
impl<S, R> Future for TowerToHyperServiceFuture<S, R>
where
S: tower_service::Service<R>,
{
type Output = Result<S::Response, S::Error>;
#[inline]
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
self.project().future.poll(cx)
}
}