Add cfg to HTTP version enum

Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>

src/async_impl/client.rs

@@ -22,11 +22,12 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 use tokio::time::Sleep;
 
-use log::{debug, trace};
 use super::decoder::Accepts;
 use super::request::{Request, RequestBuilder};
 use super::response::Response;
 use super::Body;
+#[cfg(feature = "http3")]
+use crate::async_impl::h3_client::{H3Builder, H3Client, H3ResponseFuture};
 use crate::connect::{Connector, HttpConnector};
 #[cfg(feature = "cookies")]
 use crate::cookie;
@@ -40,8 +41,7 @@ use crate::Certificate;
 #[cfg(any(feature = "native-tls", feature = "__rustls"))]
 use crate::Identity;
 use crate::{IntoUrl, Method, Proxy, StatusCode, Url};
-#[cfg(feature = "http3")]
-use crate::async_impl::h3_client::{H3Builder, H3Client, H3ResponseFuture};
+use log::{debug, trace};
 
 /// An asynchronous `Client` to make Requests with.
 ///
@@ -70,6 +70,7 @@ pub struct ClientBuilder {
 enum HttpVersionPref {
     Http1,
     Http2,
+    #[cfg(feature = "http3")]
     Http3,
     All,
 }
@@ -124,7 +125,7 @@ struct Config {
     https_only: bool,
     dns_overrides: HashMap<String, SocketAddr>,
     #[cfg(feature = "http3")]
-    tls_enable_early_data: bool
+    tls_enable_early_data: bool,
 }
 
 impl Default for ClientBuilder {
@@ -193,7 +194,7 @@ impl ClientBuilder {
                 https_only: false,
                 dns_overrides: HashMap::new(),
                 #[cfg(feature = "http3")]
-                tls_enable_early_data: false
+                tls_enable_early_data: false,
             },
         }
     }
@@ -249,7 +250,7 @@ impl ClientBuilder {
                 TlsBackend::Default => {
                     let mut tls = TlsConnector::builder();
 
-                    #[cfg(feature = "native-tls-alpn")]
+                    #[cfg(all(feature = "native-tls-alpn", not(feature = "http3")))]
                     {
                         match config.http_version_pref {
                             HttpVersionPref::Http1 => {
@@ -258,9 +259,6 @@ impl ClientBuilder {
                             HttpVersionPref::Http2 => {
                                 tls.request_alpns(&["h2"]);
                             }
-                            HttpVersionPref::Http3 => {
-                                unreachable!("HTTP/3 shouldn't be enabled unless the feature is")
-                            },
                             HttpVersionPref::All => {
                                 tls.request_alpns(&["h2", "http/1.1"]);
                             }
@@ -443,6 +441,7 @@ impl ClientBuilder {
                         HttpVersionPref::Http2 => {
                             tls.alpn_protocols = vec!["h2".into()];
                         }
+                        #[cfg(feature = "http3")]
                         HttpVersionPref::Http3 => {
                             tls.alpn_protocols = vec!["h3".into()];
                         }
@@ -941,6 +940,7 @@ impl ClientBuilder {
     }
 
     /// Only use HTTP/3.
+    #[cfg(feature = "http3")]
     pub fn http3_prior_knowledge(mut self) -> ClientBuilder {
         self.config.http_version_pref = HttpVersionPref::Http3;
         self
@@ -1535,12 +1535,14 @@ impl Client {
                 let mut req = builder.body(()).expect("valid request parts");
                 *req.headers_mut() = headers.clone();
                 ResponseFuture::H3(self.inner.h3_client.request(req))
-            },
+            }
             _ => {
-                let mut req = builder.body(body.into_stream()).expect("valid request parts");
+                let mut req = builder
+                    .body(body.into_stream())
+                    .expect("valid request parts");
                 *req.headers_mut() = headers.clone();
                 ResponseFuture::Default(self.inner.hyper.request(req))
-            },
+            }
         };
 
         let timeout = timeout
@@ -1875,7 +1877,8 @@ impl PendingRequest {
 
         *req.headers_mut() = self.headers.clone();
 
-        *self.as_mut().in_flight().get_mut() = ResponseFuture::Default(self.client.hyper.request(req));
+        *self.as_mut().in_flight().get_mut() =
+            ResponseFuture::Default(self.client.hyper.request(req));
 
         true
     }
@@ -1933,29 +1936,31 @@ impl Future for PendingRequest {
 
         loop {
             let res = match self.as_mut().in_flight().get_mut() {
-                ResponseFuture::Default(r) => {
-                    match Pin::new(r).poll(cx) {
-                        Poll::Ready(Err(e)) => {
-                            if self.as_mut().retry_error(&e) {
-                                continue;
-                            }
-                            return Poll::Ready(Err(crate::error::request(e).with_url(self.url.clone())));
+                ResponseFuture::Default(r) => match Pin::new(r).poll(cx) {
+                    Poll::Ready(Err(e)) => {
+                        if self.as_mut().retry_error(&e) {
+                            continue;
                         }
-                        Poll::Ready(Ok(res)) => res,
-                        Poll::Pending => return Poll::Pending,
+                        return Poll::Ready(Err(
+                            crate::error::request(e).with_url(self.url.clone())
+                        ));
                     }
-                }
+                    Poll::Ready(Ok(res)) => res,
+                    Poll::Pending => return Poll::Pending,
+                },
                 #[cfg(feature = "http3")]
                 ResponseFuture::H3(r) => match Pin::new(r).poll(cx) {
                     Poll::Ready(Err(e)) => {
                         if self.as_mut().retry_error(&e) {
                             continue;
                         }
-                        return Poll::Ready(Err(crate::error::request(e).with_url(self.url.clone())));
+                        return Poll::Ready(Err(
+                            crate::error::request(e).with_url(self.url.clone())
+                        ));
                     }
                     Poll::Ready(Ok(res)) => res,
                     Poll::Pending => return Poll::Pending,
-                }
+                },
             };
 
             #[cfg(feature = "cookies")]
@@ -2071,7 +2076,8 @@ impl Future for PendingRequest {
 
                             *req.headers_mut() = headers.clone();
                             std::mem::swap(self.as_mut().headers(), &mut headers);
-                            *self.as_mut().in_flight().get_mut() =  ResponseFuture::Default(self.client.hyper.request(req));
+                            *self.as_mut().in_flight().get_mut() =
+                                ResponseFuture::Default(self.client.hyper.request(req));
                             continue;
                         }
                         redirect::ActionKind::Stop => {

src/async_impl/h3_client/mod.rs

@@ -2,20 +2,20 @@
 
 mod pool;
 
+use crate::async_impl::h3_client::pool::{Key, Pool, PoolClient};
+use crate::error;
+use crate::error::{BoxError, Error, Kind};
+use futures_util::future;
+use h3_quinn::Connection;
+use http::{Request, Response};
+use hyper::Body;
+use log::debug;
 use std::future::Future;
 use std::net::{IpAddr, SocketAddr};
 use std::pin::Pin;
 use std::sync::Arc;
 use std::task::{Context, Poll};
 use std::time::Duration;
-use http::{Request, Response};
-use crate::error::{BoxError, Error, Kind};
-use hyper::Body;
-use futures_util::future;
-use h3_quinn::Connection;
-use log::debug;
-use crate::async_impl::h3_client::pool::{Key, Pool, PoolClient};
-use crate::error;
 
 pub struct H3Builder {
     pool_idle_timeout: Option<Duration>,
@@ -41,8 +41,8 @@ impl H3Builder {
             None => "[::]:0".parse::<SocketAddr>().unwrap(),
         };
 
-        let mut endpoint = quinn::Endpoint::client(socket_addr)
-            .expect("unable to create QUIC endpoint");
+        let mut endpoint =
+            quinn::Endpoint::client(socket_addr).expect("unable to create QUIC endpoint");
         endpoint.set_default_client_config(config);
 
         H3Client {
@@ -91,9 +91,7 @@ impl H3Client {
             .next()
             .ok_or("dns found no addresses")?;
 
-        let quinn_conn = Connection::new(
-            self.endpoint.connect(addr, auth.host())?.await?
-        );
+        let quinn_conn = Connection::new(self.endpoint.connect(addr, auth.host())?.await?);
         let (mut driver, tx) = h3::client::new(quinn_conn).await?;
 
         // TODO: What does poll_close() do?
@@ -120,9 +118,15 @@ impl H3Client {
     pub fn request(&self, mut req: Request<()>) -> H3ResponseFuture {
         let pool_key = match pool::extract_domain(req.uri_mut()) {
             Ok(s) => s,
-            Err(e) => return H3ResponseFuture{inner: Box::pin(future::err(e))},
+            Err(e) => {
+                return H3ResponseFuture {
+                    inner: Box::pin(future::err(e)),
+                }
+            }
         };
-        H3ResponseFuture{inner: Box::pin(self.clone().send_request(pool_key, req))}
+        H3ResponseFuture {
+            inner: Box::pin(self.clone().send_request(pool_key, req)),
+        }
     }
 }
 

src/async_impl/h3_client/pool.rs

@@ -1,22 +1,22 @@
+use bytes::Bytes;
 use std::collections::HashMap;
 use std::sync::{Arc, Mutex};
 use std::time::Duration;
-use bytes::Bytes;
 use tokio::time::Instant;
 
+use crate::error::{BoxError, Error, Kind};
+use bytes::Buf;
 use h3::client::SendRequest;
-use http::{Request, Response, Uri};
 use http::uri::{Authority, Scheme};
+use http::{Request, Response, Uri};
 use hyper::Body;
-use crate::error::{BoxError, Error, Kind};
-use bytes::Buf;
 use log::debug;
 
 pub(super) type Key = (Scheme, Authority);
 
 #[derive(Clone)]
 pub struct Pool {
-    inner: Arc<Mutex<PoolInner>>
+    inner: Arc<Mutex<PoolInner>>,
 }
 
 impl Pool {
@@ -26,7 +26,7 @@ impl Pool {
                 idle: HashMap::new(),
                 max_idle_per_host,
                 timeout,
-            }))
+            })),
         }
     }
 
@@ -38,19 +38,17 @@ impl Pool {
     pub fn try_pool(&self, key: &Key) -> Option<PoolClient> {
         let mut inner = self.inner.lock().unwrap();
         let timeout = inner.timeout;
-        inner.idle.get_mut(&key).and_then(|list| {
-            match list.pop() {
-                Some(idle) => {
-                    if let Some(duration) = timeout {
-                        if Instant::now().saturating_duration_since(idle.idle_at) > duration {
-                            debug!("pooled client expired");
-                            return None;
-                        }
+        inner.idle.get_mut(&key).and_then(|list| match list.pop() {
+            Some(idle) => {
+                if let Some(duration) = timeout {
+                    if Instant::now().saturating_duration_since(idle.idle_at) > duration {
+                        debug!("pooled client expired");
+                        return None;
                     }
-                    Some(idle.value)
-                },
-                None => None,
+                }
+                Some(idle.value)
             }
+            None => None,
         })
     }
 }
@@ -79,21 +77,19 @@ impl PoolInner {
 
         idle_list.push(Idle {
             idle_at: Instant::now(),
-            value: client
+            value: client,
         });
     }
 }
 
 #[derive(Clone)]
 pub struct PoolClient {
-    tx: SendRequest<h3_quinn::OpenStreams, Bytes>
+    tx: SendRequest<h3_quinn::OpenStreams, Bytes>,
 }
 
 impl PoolClient {
     pub fn new(tx: SendRequest<h3_quinn::OpenStreams, Bytes>) -> Self {
-        Self {
-            tx
-        }
+        Self { tx }
     }
 
     // TODO: add support for sending data.
@@ -108,9 +104,7 @@ impl PoolClient {
             body.extend(chunk.chunk())
         }
 
-        Ok(resp.map(|_| {
-            Body::from(body)
-        }))
+        Ok(resp.map(|_| Body::from(body)))
     }
 }
 
@@ -134,4 +128,4 @@ pub(crate) fn domain_as_uri((scheme, auth): Key) -> Uri {
         .path_and_query("/")
         .build()
         .expect("domain is valid Uri")
-}
+}

src/async_impl/mod.rs

@@ -9,9 +9,9 @@ pub(crate) use self::decoder::Decoder;
 pub mod body;
 pub mod client;
 pub mod decoder;
+pub mod h3_client;
 #[cfg(feature = "multipart")]
 pub mod multipart;
 pub(crate) mod request;
 mod response;
 mod upgrade;
-pub mod h3_client;

src/connect.rs

@@ -31,7 +31,6 @@ use crate::dns::TrustDnsResolver;
 use crate::error::BoxError;
 use crate::proxy::{Proxy, ProxyScheme};
 
-
 #[derive(Clone)]
 pub(crate) enum HttpConnector {
     Gai(hyper::client::HttpConnector),
@@ -525,11 +524,9 @@ impl Connector {
     #[cfg(feature = "http3")]
     pub fn deep_clone_tls(&self) -> rustls::ClientConfig {
         match &self.inner {
-            Inner::RustlsTls { tls, .. } => {
-                (*(*tls)).clone()
-            }
+            Inner::RustlsTls { tls, .. } => (*(*tls)).clone(),
             #[cfg(feature = "default-tls")]
-            _ => unreachable!("HTTP/3 should only be enabled with Rustls")
+            _ => unreachable!("HTTP/3 should only be enabled with Rustls"),
         }
     }
 }

src/tls.rs

@@ -380,7 +380,10 @@ impl Default for TlsBackend {
             TlsBackend::Default
         }
 
-        #[cfg(any(all(feature = "__rustls", not(feature = "default-tls")), feature = "http3"))]
+        #[cfg(any(
+            all(feature = "__rustls", not(feature = "default-tls")),
+            feature = "http3"
+        ))]
         {
             TlsBackend::Rustls
         }