mirror of https://github.com/fafhrd91/actix-web
40 lines
1.0 KiB
Rust
40 lines
1.0 KiB
Rust
use std::cell::RefCell;
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use std::rc::Rc;
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use std::task::{Context, Poll};
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use actix_service::Service;
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/// Service that allows to turn non-clone service to a service with `Clone` impl
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///
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/// # Panics
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/// CloneableService might panic with some creative use of thread local storage.
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/// See https://github.com/actix/actix-web/issues/1295 for example
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#[doc(hidden)]
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pub(crate) struct CloneableService<T>(Rc<RefCell<T>>);
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impl<T> CloneableService<T> {
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pub(crate) fn new(service: T) -> Self {
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Self(Rc::new(RefCell::new(service)))
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}
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}
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impl<T> Clone for CloneableService<T> {
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fn clone(&self) -> Self {
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Self(self.0.clone())
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}
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}
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impl<T: Service<Req>, Req> Service<Req> for CloneableService<T> {
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type Response = T::Response;
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type Error = T::Error;
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type Future = T::Future;
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fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
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self.0.borrow_mut().poll_ready(cx)
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}
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fn call(&mut self, req: Req) -> Self::Future {
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self.0.borrow_mut().call(req)
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}
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}
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