eternal/http/
cloneable.rs1use std::cell::UnsafeCell;
2use std::rc::Rc;
3use std::task::{Context, Poll};
4
5use kayrx::service::Service;
6
7#[doc(hidden)]
8pub(crate) struct CloneableService<T>(Rc<UnsafeCell<T>>);
10
11impl<T> CloneableService<T> {
12 pub(crate) fn new(service: T) -> Self
13 where
14 T: Service,
15 {
16 Self(Rc::new(UnsafeCell::new(service)))
17 }
18}
19
20impl<T> Clone for CloneableService<T> {
21 fn clone(&self) -> Self {
22 Self(self.0.clone())
23 }
24}
25
26impl<T> Service for CloneableService<T>
27where
28 T: Service,
29{
30 type Request = T::Request;
31 type Response = T::Response;
32 type Error = T::Error;
33 type Future = T::Future;
34
35 fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
36 unsafe { &mut *self.0.as_ref().get() }.poll_ready(cx)
37 }
38
39 fn call(&mut self, req: T::Request) -> Self::Future {
40 unsafe { &mut *self.0.as_ref().get() }.call(req)
41 }
42}