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use super::Handler;
use crate::response::Response;
use http::Request;
use std::{
convert::Infallible,
fmt,
marker::PhantomData,
task::{Context, Poll},
};
use tower_service::Service;
pub struct IntoService<H, T, B> {
handler: H,
_marker: PhantomData<fn() -> (T, B)>,
}
#[test]
fn traits() {
use crate::test_helpers::*;
assert_send::<IntoService<(), NotSendSync, NotSendSync>>();
assert_sync::<IntoService<(), NotSendSync, NotSendSync>>();
}
impl<H, T, B> IntoService<H, T, B> {
pub(super) fn new(handler: H) -> Self {
Self {
handler,
_marker: PhantomData,
}
}
}
impl<H, T, B> fmt::Debug for IntoService<H, T, B> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_tuple("IntoService")
.field(&format_args!("..."))
.finish()
}
}
impl<H, T, B> Clone for IntoService<H, T, B>
where
H: Clone,
{
fn clone(&self) -> Self {
Self {
handler: self.handler.clone(),
_marker: PhantomData,
}
}
}
impl<H, T, B> Service<Request<B>> for IntoService<H, T, B>
where
H: Handler<T, B> + Clone + Send + 'static,
B: Send + 'static,
{
type Response = Response;
type Error = Infallible;
type Future = super::future::IntoServiceFuture<H::Future>;
#[inline]
fn poll_ready(&mut self, _cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
Poll::Ready(Ok(()))
}
fn call(&mut self, req: Request<B>) -> Self::Future {
use futures_util::future::FutureExt;
let handler = self.handler.clone();
let future = Handler::call(handler, req);
let future = future.map(Ok as _);
super::future::IntoServiceFuture::new(future)
}
}