Use immutable reference of service state. Update awc dns resolver. (#1905)

actix-web-codegen/Cargo.toml

@@ -19,7 +19,7 @@ syn = { version = "1", features = ["full", "parsing"] }
 proc-macro2 = "1"
 
 [dev-dependencies]
-actix-rt = "=2.0.0-beta.2"
+actix-rt = "2"
 actix-web = "4.0.0-beta.1"
 futures-util = { version = "0.3.7", default-features = false }
 trybuild = "1"

actix-web-codegen/src/lib.rs

@@ -175,7 +175,6 @@ pub fn main(_: TokenStream, item: TokenStream) -> TokenStream {
     let vis = &input.vis;
     let sig = &mut input.sig;
     let body = &input.block;
-    let name = &sig.ident;
 
     if sig.asyncness.is_none() {
         return syn::Error::new_spanned(sig.fn_token, "only async fn is supported")
@@ -188,7 +187,7 @@ pub fn main(_: TokenStream, item: TokenStream) -> TokenStream {
     (quote! {
         #(#attrs)*
         #vis #sig {
-            actix_web::rt::System::new(stringify!(#name))
+            actix_web::rt::System::new()
                 .block_on(async move { #body })
         }
     })

actix-web-codegen/tests/test_macro.rs

@@ -1,5 +1,4 @@
 use std::future::Future;
-use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use actix_web::dev::{Service, ServiceRequest, ServiceResponse, Transform};
@@ -8,7 +7,7 @@ use actix_web::{http, test, web::Path, App, Error, HttpResponse, Responder};
 use actix_web_codegen::{
     connect, delete, get, head, options, patch, post, put, route, trace,
 };
-use futures_util::future;
+use futures_util::future::{self, LocalBoxFuture};
 
 // Make sure that we can name function as 'config'
 #[get("/config")]
@@ -117,14 +116,13 @@ where
 {
     type Response = ServiceResponse<B>;
     type Error = Error;
-    #[allow(clippy::type_complexity)]
-    type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>>>>;
+    type Future = LocalBoxFuture<'static, Result<Self::Response, Self::Error>>;
 
-    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+    fn poll_ready(&self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         self.service.poll_ready(cx)
     }
 
-    fn call(&mut self, req: ServiceRequest) -> Self::Future {
+    fn call(&self, req: ServiceRequest) -> Self::Future {
         let fut = self.service.call(req);
 
         Box::pin(async move {