integrate with updated actix-{codec, utils} (#1634)

actix-http/src/h1/service.rs

@@ -548,10 +548,12 @@ where
 }
 
 #[doc(hidden)]
+#[pin_project::pin_project]
 pub struct OneRequestServiceResponse<T>
 where
     T: AsyncRead + AsyncWrite + Unpin,
 {
+    #[pin]
     framed: Option<Framed<T, Codec>>,
 }
 
@@ -562,16 +564,18 @@ where
     type Output = Result<(Request, Framed<T, Codec>), ParseError>;
 
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        match self.framed.as_mut().unwrap().next_item(cx) {
-            Poll::Ready(Some(Ok(req))) => match req {
+        let this = self.as_mut().project();
+
+        match ready!(this.framed.as_pin_mut().unwrap().next_item(cx)) {
+            Some(Ok(req)) => match req {
                 Message::Item(req) => {
-                    Poll::Ready(Ok((req, self.framed.take().unwrap())))
+                    let mut this = self.as_mut().project();
+                    Poll::Ready(Ok((req, this.framed.take().unwrap())))
                 }
                 Message::Chunk(_) => unreachable!("Something is wrong"),
             },
-            Poll::Ready(Some(Err(err))) => Poll::Ready(Err(err)),
-            Poll::Ready(None) => Poll::Ready(Err(ParseError::Incomplete)),
-            Poll::Pending => Poll::Pending,
+            Some(Err(err)) => Poll::Ready(Err(err)),
+            None => Poll::Ready(Err(ParseError::Incomplete)),
         }
     }
 }