Upgrade to hyper 0.12:

- Use hyper's MakeService implementation with futures API
- Use tokio runtime to serve HTTP backend

core/http/Cargo.toml

@@ -22,7 +22,9 @@ private-cookies = ["cookie/secure"]
 [dependencies]
 smallvec = "0.6"
 percent-encoding = "1"
-hyper = { version = "0.10.13", default-features = false }
+hyper = { version = "0.12.31", default-features = false, features = ["tokio"] }
+http = "0.1.17"
+mime = "0.3.13"
 time = "0.1"
 indexmap = "1.0"
 rustls = { version = "0.15", optional = true }

core/http/src/hyper.rs

@@ -4,72 +4,66 @@
 //! These types will, with certainty, be removed with time, but they reside here
 //! while necessary.
 
-#[doc(hidden)] pub use hyper::server::Request as Request;
+#[doc(hidden)] pub use hyper::{Body, Request, Response};
-#[doc(hidden)] pub use hyper::server::Response as Response;
+#[doc(hidden)] pub use hyper::body::Payload as Payload;
-#[doc(hidden)] pub use hyper::server::Server as Server;
-#[doc(hidden)] pub use hyper::server::Handler as Handler;
-
-#[doc(hidden)] pub use hyper::net;
-
-#[doc(hidden)] pub use hyper::method::Method;
-#[doc(hidden)] pub use hyper::status::StatusCode;
 #[doc(hidden)] pub use hyper::error::Error;
-#[doc(hidden)] pub use hyper::uri::RequestUri;
+#[doc(hidden)] pub use hyper::server::Server;
-#[doc(hidden)] pub use hyper::http::h1;
+#[doc(hidden)] pub use hyper::service::{MakeService, Service};
-#[doc(hidden)] pub use hyper::buffer;
+
+#[doc(hidden)] pub use hyper::Chunk;
+#[doc(hidden)] pub use http::header::HeaderName as HeaderName;
+#[doc(hidden)] pub use http::header::HeaderValue as HeaderValue;
+#[doc(hidden)] pub use http::method::Method;
+#[doc(hidden)] pub use http::request::Parts;
+#[doc(hidden)] pub use http::status::StatusCode;
+#[doc(hidden)] pub use http::uri::Uri;
 
 /// Type alias to `hyper::Response<'a, hyper::net::Fresh>`.
-#[doc(hidden)] pub type FreshResponse<'a> = self::Response<'a, self::net::Fresh>;
+// TODO #[doc(hidden)] pub type FreshResponse<'a> = self::Response<'a, self::net::Fresh>;
 
 /// Reexported Hyper header types.
 pub mod header {
     use crate::Header;
 
-    use hyper::header::Header as HyperHeaderTrait;
-
     macro_rules! import_hyper_items {
         ($($item:ident),*) => ($(pub use hyper::header::$item;)*)
     }
 
     macro_rules! import_hyper_headers {
         ($($name:ident),*) => ($(
-            impl std::convert::From<self::$name> for Header<'static> {
+            pub use http::header::$name as $name;
-                fn from(header: self::$name) -> Header<'static> {
-                    Header::new($name::header_name(), header.to_string())
-                }
-            }
         )*)
     }
 
-    import_hyper_items! {
+//    import_hyper_items! {
-        Accept, AcceptCharset, AcceptEncoding, AcceptLanguage, AcceptRanges,
+//        Accept, AcceptCharset, AcceptEncoding, AcceptLanguage, AcceptRanges,
-        AccessControlAllowCredentials, AccessControlAllowHeaders,
+//        AccessControlAllowCredentials, AccessControlAllowHeaders,
-        AccessControlAllowMethods, AccessControlExposeHeaders,
+//        AccessControlAllowMethods, AccessControlExposeHeaders,
-        AccessControlMaxAge, AccessControlRequestHeaders,
+//        AccessControlMaxAge, AccessControlRequestHeaders,
-        AccessControlRequestMethod, Allow, Authorization, Basic, Bearer,
+//        AccessControlRequestMethod, Allow, Authorization, Basic, Bearer,
-        CacheControl, Connection, ContentDisposition, ContentEncoding,
+//        CacheControl, Connection, ContentDisposition, ContentEncoding,
-        ContentLanguage, ContentLength, ContentRange, ContentType, Date, ETag,
+//        ContentLanguage, ContentLength, ContentRange, ContentType, Date, ETag,
-        EntityTag, Expires, From, Headers, Host, HttpDate, IfModifiedSince,
+//        EntityTag, Expires, From, Headers, Host, HttpDate, IfModifiedSince,
-        IfUnmodifiedSince, LastModified, Location, Origin, Prefer,
+//        IfUnmodifiedSince, LastModified, Location, Origin, Prefer,
-        PreferenceApplied, Protocol, Quality, QualityItem, Referer,
+//        PreferenceApplied, Protocol, Quality, QualityItem, Referer,
-        StrictTransportSecurity, TransferEncoding, Upgrade, UserAgent,
+//        StrictTransportSecurity, TransferEncoding, Upgrade, UserAgent,
-        AccessControlAllowOrigin, ByteRangeSpec, CacheDirective, Charset,
+//        AccessControlAllowOrigin, ByteRangeSpec, CacheDirective, Charset,
-        ConnectionOption, ContentRangeSpec, DispositionParam, DispositionType,
+//        ConnectionOption, ContentRangeSpec, DispositionParam, DispositionType,
-        Encoding, Expect, IfMatch, IfNoneMatch, IfRange, Pragma, Preference,
+//        Encoding, Expect, IfMatch, IfNoneMatch, IfRange, Pragma, Preference,
-        ProtocolName, Range, RangeUnit, ReferrerPolicy, Vary, Scheme, q, qitem
+//        ProtocolName, Range, RangeUnit, ReferrerPolicy, Vary, Scheme, q, qitem
-    }
+//    }
-
+//
     import_hyper_headers! {
-        Accept, AccessControlAllowCredentials, AccessControlAllowHeaders,
+        ACCEPT, ACCESS_CONTROL_ALLOW_CREDENTIALS, ACCESS_CONTROL_ALLOW_HEADERS,
-        AccessControlAllowMethods, AccessControlAllowOrigin,
+        ACCESS_CONTROL_ALLOW_METHODS, ACCESS_CONTROL_ALLOW_ORIGIN,
-        AccessControlExposeHeaders, AccessControlMaxAge,
+        ACCESS_CONTROL_EXPOSE_HEADERS, ACCESS_CONTROL_MAX_AGE,
-        AccessControlRequestHeaders, AccessControlRequestMethod, AcceptCharset,
+        ACCESS_CONTROL_REQUEST_HEADERS, ACCESS_CONTROL_REQUEST_METHOD, ACCEPT_CHARSET,
-        AcceptEncoding, AcceptLanguage, AcceptRanges, Allow, CacheControl,
+        ACCEPT_ENCODING, ACCEPT_LANGUAGE, ACCEPT_RANGES, ALLOW, CACHE_CONTROL,
-        Connection, ContentDisposition, ContentEncoding, ContentLanguage,
+        CONNECTION, CONTENT_DISPOSITION, CONTENT_ENCODING, CONTENT_LANGUAGE,
-        ContentLength, ContentRange, Date, ETag, Expect, Expires, Host, IfMatch,
+        CONTENT_LENGTH, CONTENT_RANGE, DATE, ETAG, EXPECT, EXPIRES, HOST, IF_MATCH,
-        IfModifiedSince, IfNoneMatch, IfRange, IfUnmodifiedSince, LastModified,
+        IF_MODIFIED_SINCE, IF_NONE_MATCH, IF_RANGE, IF_UNMODIFIED_SINCE, LAST_MODIFIED,
-        Location, Origin, Pragma, Prefer, PreferenceApplied, Range, Referer,
+        LOCATION, ORIGIN, PRAGMA, RANGE, REFERER,
-        ReferrerPolicy, StrictTransportSecurity, TransferEncoding, Upgrade,
+        REFERRER_POLICY, STRICT_TRANSPORT_SECURITY, TRANSFER_ENCODING, UPGRADE,
-        UserAgent, Vary
+        USER_AGENT, VARY
     }
 }

core/http/src/method.rs

@@ -1,3 +1,5 @@
+extern crate http;
+
 use std::fmt;
 use std::str::FromStr;
 
@@ -24,18 +26,18 @@ pub enum Method {
 impl Method {
     /// WARNING: This is unstable! Do not use this method outside of Rocket!
     #[doc(hidden)]
-    pub fn from_hyp(method: &hyper::Method) -> Option<Method> {
+    pub fn from_hyp(method: &http::method::Method) -> Option<Method> {
         match *method {
-            hyper::Method::Get => Some(Get),
+            http::method::Method::GET => Some(Get),
-            hyper::Method::Put => Some(Put),
+            http::method::Method::PUT => Some(Put),
-            hyper::Method::Post => Some(Post),
+            http::method::Method::POST => Some(Post),
-            hyper::Method::Delete => Some(Delete),
+            http::method::Method::DELETE => Some(Delete),
-            hyper::Method::Options => Some(Options),
+            http::method::Method::OPTIONS => Some(Options),
-            hyper::Method::Head => Some(Head),
+            http::method::Method::HEAD => Some(Head),
-            hyper::Method::Trace => Some(Trace),
+            http::method::Method::TRACE => Some(Trace),
-            hyper::Method::Connect => Some(Connect),
+            http::method::Method::CONNECT => Some(Connect),
-            hyper::Method::Patch => Some(Patch),
+            http::method::Method::PATCH => Some(Patch),
-            hyper::Method::Extension(_) => None,
+            _ => None,
         }
     }
 

core/http/src/uri/uri.rs

@@ -94,6 +94,20 @@ impl<'a> Uri<'a> {
         crate::parse::uri::from_str(string)
     }
 
+//    pub fn from_hyp(uri: &'a hyper::Uri) -> Uri<'a> {
+//        match uri.is_absolute() {
+//            true => Uri::Absolute(Absolute::new(
+//                uri.scheme().unwrap(),
+//                match uri.host() {
+//                    Some(host) => Some(Authority::new(None, Host::Raw(host), uri.port())),
+//                    None => None
+//                },
+//                None
+//            )),
+//            false => Uri::Asterisk
+//        }
+//    }
+
     /// Returns the internal instance of `Origin` if `self` is a `Uri::Origin`.
     /// Otherwise, returns `None`.
     ///

core/lib/Cargo.toml

@@ -24,8 +24,10 @@ tls = ["rocket_http/tls"]
 private-cookies = ["rocket_http/private-cookies"]
 
 [dependencies]
+futures = "0.1"
 rocket_codegen = { version = "0.5.0-dev", path = "../codegen" }
 rocket_http = { version = "0.5.0-dev", path = "../http" }
+tokio = "0.1.16"
 yansi = "0.5"
 log = "0.4"
 toml = "0.4.7"

core/lib/src/catcher.rs

@@ -59,6 +59,7 @@ use yansi::Color::*;
 ///
 /// A function decorated with `catch` must take exactly zero or one arguments.
 /// If the catcher takes an argument, it must be of type [`&Request`](Request).
+#[derive(Clone)]
 pub struct Catcher {
     /// The HTTP status code to match against.
     pub code: u16,

core/lib/src/data/data.rs

@@ -5,20 +5,12 @@ use std::time::Duration;
 
 #[cfg(feature = "tls")] use super::net_stream::HttpsStream;
 
-use super::data_stream::{DataStream, kill_stream};
+use super::data_stream::{DataStream, /* TODO kill_stream */};
 use super::net_stream::NetStream;
 use crate::ext::ReadExt;
 
-use crate::http::hyper;
+use crate::http::hyper::{self, Payload};
-use crate::http::hyper::h1::HttpReader;
+use futures::{Async, Future};
-use crate::http::hyper::h1::HttpReader::*;
-use crate::http::hyper::net::{HttpStream, NetworkStream};
-
-pub type HyperBodyReader<'a, 'b> =
-    self::HttpReader<&'a mut hyper::buffer::BufReader<&'b mut dyn NetworkStream>>;
-
-//                              |---- from hyper ----|
-pub type BodyReader = HttpReader<Chain<Cursor<Vec<u8>>, NetStream>>;
 
 /// The number of bytes to read into the "peek" buffer.
 const PEEK_BYTES: usize = 512;
@@ -56,9 +48,7 @@ const PEEK_BYTES: usize = 512;
 /// body data. This enables partially or fully reading from a `Data` object
 /// without consuming the `Data` object.
 pub struct Data {
-    buffer: Vec<u8>,
+    body: Vec<u8>,
-    is_complete: bool,
-    stream: BodyReader,
 }
 
 impl Data {
@@ -79,62 +69,11 @@ impl Data {
     /// }
     /// ```
     pub fn open(mut self) -> DataStream {
-        let buffer = std::mem::replace(&mut self.buffer, vec![]);
-        let empty_stream = Cursor::new(vec![]).chain(NetStream::Empty);
-
         // FIXME: Insert a `BufReader` in front of the `NetStream` with capacity
         // 4096. We need the new `Chain` methods to get the inner reader to
         // actually do this, however.
-        let empty_http_stream = HttpReader::SizedReader(empty_stream, 0);
+        let stream = ::std::mem::replace(&mut self.body, vec![]);
-        let stream = std::mem::replace(&mut self.stream, empty_http_stream);
+        DataStream(Cursor::new(stream))
-        DataStream(Cursor::new(buffer).chain(stream))
-    }
-
-    // FIXME: This is absolutely terrible (downcasting!), thanks to Hyper.
-    pub(crate) fn from_hyp(mut body: HyperBodyReader<'_, '_>) -> Result<Data, &'static str> {
-        #[inline(always)]
-        #[cfg(feature = "tls")]
-        fn concrete_stream(stream: &mut dyn NetworkStream) -> Option<NetStream> {
-            stream.downcast_ref::<HttpsStream>()
-                .map(|s| NetStream::Https(s.clone()))
-                .or_else(|| {
-                    stream.downcast_ref::<HttpStream>()
-                        .map(|s| NetStream::Http(s.clone()))
-                })
-        }
-
-        #[inline(always)]
-        #[cfg(not(feature = "tls"))]
-        fn concrete_stream(stream: &mut dyn NetworkStream) -> Option<NetStream> {
-            stream.downcast_ref::<HttpStream>()
-                .map(|s| NetStream::Http(s.clone()))
-        }
-
-        // Retrieve the underlying Http(s)Stream from Hyper.
-        let net_stream = match concrete_stream(*body.get_mut().get_mut()) {
-            Some(net_stream) => net_stream,
-            None => return Err("Stream is not an HTTP(s) stream!")
-        };
-
-        // Set the read timeout to 5 seconds.
-        let _ = net_stream.set_read_timeout(Some(Duration::from_secs(5)));
-
-        // Steal the internal, undecoded data buffer from Hyper.
-        let (mut hyper_buf, pos, cap) = body.get_mut().take_buf();
-        hyper_buf.truncate(cap); // slow, but safe
-        let mut cursor = Cursor::new(hyper_buf);
-        cursor.set_position(pos as u64);
-
-        // Create an HTTP reader from the buffer + stream.
-        let inner_data = cursor.chain(net_stream);
-        let http_stream = match body {
-            SizedReader(_, n) => SizedReader(inner_data, n),
-            EofReader(_) => EofReader(inner_data),
-            EmptyReader(_) => EmptyReader(inner_data),
-            ChunkedReader(_, n) => ChunkedReader(inner_data, n)
-        };
-
-        Ok(Data::new(http_stream))
     }
 
     /// Retrieve the `peek` buffer.
@@ -155,10 +94,10 @@ impl Data {
     /// ```
     #[inline(always)]
     pub fn peek(&self) -> &[u8] {
-        if self.buffer.len() > PEEK_BYTES {
+        if self.body.len() > PEEK_BYTES {
-            &self.buffer[..PEEK_BYTES]
+            &self.body[..PEEK_BYTES]
         } else {
-            &self.buffer
+            &self.body
         }
     }
 
@@ -179,7 +118,8 @@ impl Data {
     /// ```
     #[inline(always)]
     pub fn peek_complete(&self) -> bool {
-        self.is_complete
+        // TODO self.is_complete
+        true
     }
 
     /// A helper method to write the body of the request to any `Write` type.
@@ -230,49 +170,8 @@ impl Data {
     // bytes `vec[pos..cap]` are buffered and unread. The remainder of the data
     // bytes can be read from `stream`.
     #[inline(always)]
-    pub(crate) fn new(mut stream: BodyReader) -> Data {
+    pub(crate) fn new(body: Vec<u8>) -> Data {
-        trace_!("Data::new({:?})", stream);
+        Data { body }
-        let mut peek_buf: Vec<u8> = vec![0; PEEK_BYTES];
-
-        // Fill the buffer with as many bytes as possible. If we read less than
-        // that buffer's length, we know we reached the EOF. Otherwise, it's
-        // unclear, so we just say we didn't reach EOF.
-        let eof = match stream.read_max(&mut peek_buf[..]) {
-            Ok(n) => {
-                trace_!("Filled peek buf with {} bytes.", n);
-                // We can use `set_len` here instead of `truncate`, but we'll
-                // take the performance hit to avoid `unsafe`. All of this code
-                // should go away when we migrate away from hyper 0.10.x.
-                peek_buf.truncate(n);
-                n < PEEK_BYTES
-            }
-            Err(e) => {
-                error_!("Failed to read into peek buffer: {:?}.", e);
-                // Likewise here as above.
-                peek_buf.truncate(0);
-                false
-            },
-        };
-
-        trace_!("Peek bytes: {}/{} bytes.", peek_buf.len(), PEEK_BYTES);
-        Data { buffer: peek_buf, stream, is_complete: eof }
     }
 
-    /// This creates a `data` object from a local data source `data`.
-    #[inline]
-    pub(crate) fn local(data: Vec<u8>) -> Data {
-        let empty_stream = Cursor::new(vec![]).chain(NetStream::Empty);
-
-        Data {
-            buffer: data,
-            stream: HttpReader::SizedReader(empty_stream, 0),
-            is_complete: true,
-        }
-    }
-}
-
-impl Drop for Data {
-    fn drop(&mut self) {
-        kill_stream(&mut self.stream);
-    }
 }

core/lib/src/data/data_stream.rs

@@ -1,12 +1,7 @@
-use std::io::{self, Read, Cursor, Chain};
+use std::io::{self, Chain, Cursor, Read, Write};
 use std::net::Shutdown;
 
-use super::data::BodyReader;
+pub type InnerStream = Cursor<Vec<u8>>;
-use crate::http::hyper::net::NetworkStream;
-use crate::http::hyper::h1::HttpReader;
-
-//                          |-- peek buf --|
-pub type InnerStream = Chain<Cursor<Vec<u8>>, BodyReader>;
 
 /// Raw data stream of a request body.
 ///
@@ -26,9 +21,9 @@ impl Read for DataStream {
     }
 }
 
-pub fn kill_stream(stream: &mut BodyReader) {
+/* pub fn kill_stream(stream: &mut BodyReader) {
     // Only do the expensive reading if we're not sure we're done.
-    use self::HttpReader::*;
+    // TODO use self::HttpReader::*;
     match *stream {
         SizedReader(_, n) | ChunkedReader(_, Some(n)) if n > 0 => { /* continue */ },
         _ => return
@@ -46,10 +41,10 @@ pub fn kill_stream(stream: &mut BodyReader) {
         }
         Ok(n) => debug!("flushed {} unread bytes", n)
     }
-}
+}*/
 
 impl Drop for DataStream {
     fn drop(&mut self) {
-        kill_stream(&mut self.0.get_mut().1);
+        // TODO kill_stream(&mut self.0.get_mut().1);
     }
 }

core/lib/src/data/net_stream.rs

@@ -3,7 +3,7 @@ use std::net::{SocketAddr, Shutdown};
 use std::time::Duration;
 
 #[cfg(feature = "tls")] use crate::http::tls::{WrappedStream, ServerSession};
-use crate::http::hyper::net::{HttpStream, NetworkStream};
+// TODO use http::hyper::net::{HttpStream, NetworkStream};
 
 use self::NetStream::*;
 
@@ -13,7 +13,7 @@ use self::NetStream::*;
 // This really shouldn't be necessary, but, you know, Hyper.
 #[derive(Clone)]
 pub enum NetStream {
-    Http(HttpStream),
+    Http/* TODO (HttpStream) */,
     #[cfg(feature = "tls")]
     Https(HttpsStream),
     Empty,
@@ -24,7 +24,7 @@ impl io::Read for NetStream {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         trace_!("NetStream::read()");
         let res = match *self {
-            Http(ref mut stream) => stream.read(buf),
+            Http/*(ref mut stream)*/ => Ok(0) /* TODO stream.read(buf)*/,
             #[cfg(feature = "tls")] Https(ref mut stream) => stream.read(buf),
             Empty => Ok(0),
         };
@@ -39,7 +39,7 @@ impl io::Write for NetStream {
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
         trace_!("NetStream::write()");
         match *self {
-            Http(ref mut stream) => stream.write(buf),
+            Http/* TODO (ref mut stream) => stream.write(buf)*/ => Ok(0),
             #[cfg(feature = "tls")] Https(ref mut stream) => stream.write(buf),
             Empty => Ok(0),
         }
@@ -48,47 +48,47 @@ impl io::Write for NetStream {
     #[inline(always)]
     fn flush(&mut self) -> io::Result<()> {
         match *self {
-            Http(ref mut stream) => stream.flush(),
+            Http/* TODO (ref mut stream) => stream.flush()*/ => Ok(()),
             #[cfg(feature = "tls")] Https(ref mut stream) => stream.flush(),
             Empty => Ok(()),
         }
     }
 }
 
-impl NetworkStream for NetStream {
+//impl NetworkStream for NetStream {
-    #[inline(always)]
+//    #[inline(always)]
-    fn peer_addr(&mut self) -> io::Result<SocketAddr> {
+//    fn peer_addr(&mut self) -> io::Result<SocketAddr> {
-        match *self {
+//        match *self {
-            Http(ref mut stream) => stream.peer_addr(),
+//            Http/* TODO (ref mut stream) => stream.peer_addr()*/ => Err(io::Error::from(io::ErrorKind::AddrNotAvailable)),
-            #[cfg(feature = "tls")] Https(ref mut stream) => stream.peer_addr(),
+//            #[cfg(feature = "tls")] Https(ref mut stream) => stream.peer_addr(),
-            Empty => Err(io::Error::from(io::ErrorKind::AddrNotAvailable)),
+//            Empty => Err(io::Error::from(io::ErrorKind::AddrNotAvailable)),
-        }
+//        }
-    }
+//    }
-
+//
-    #[inline(always)]
+//    #[inline(always)]
-    fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
+//    fn set_read_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
-        match *self {
+//        match *self {
-            Http(ref stream) => stream.set_read_timeout(dur),
+//            Http/* TODO (ref stream) => stream.set_read_timeout(dur)*/ => Ok(()),
-            #[cfg(feature = "tls")] Https(ref stream) => stream.set_read_timeout(dur),
+//            #[cfg(feature = "tls")] Https(ref stream) => stream.set_read_timeout(dur),
-            Empty => Ok(()),
+//            Empty => Ok(()),
-        }
+//        }
-    }
+//    }
-
+//
-    #[inline(always)]
+//    #[inline(always)]
-    fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
+//    fn set_write_timeout(&self, dur: Option<Duration>) -> io::Result<()> {
-        match *self {
+//        match *self {
-            Http(ref stream) => stream.set_write_timeout(dur),
+//            Http/* TODO (ref stream) => stream.set_write_timeout(dur)*/ => Ok(()),
-            #[cfg(feature = "tls")] Https(ref stream) => stream.set_write_timeout(dur),
+//            #[cfg(feature = "tls")] Https(ref stream) => stream.set_write_timeout(dur),
-            Empty => Ok(()),
+//            Empty => Ok(()),
-        }
+//        }
-    }
+//    }
-
+//
-    #[inline(always)]
+//    #[inline(always)]
-    fn close(&mut self, how: Shutdown) -> io::Result<()> {
+//    fn close(&mut self, how: Shutdown) -> io::Result<()> {
-        match *self {
+//        match *self {
-            Http(ref mut stream) => stream.close(how),
+//            Http/* TODO (ref mut stream) => stream.close(how)*/ => Ok(()),
-            #[cfg(feature = "tls")] Https(ref mut stream) => stream.close(how),
+//            #[cfg(feature = "tls")] Https(ref mut stream) => stream.close(how),
-            Empty => Ok(()),
+//            Empty => Ok(()),
-        }
+//        }
-    }
+//    }
-}
+//}

core/lib/src/error.rs

@@ -19,7 +19,7 @@ use crate::router::Route;
 #[derive(Debug)]
 pub enum LaunchErrorKind {
     /// Binding to the provided address/port failed.
-    Bind(hyper::Error),
+    Bind(std::io::Error),
     /// An I/O error occurred during launch.
     Io(io::Error),
     /// Route collisions were detected.
@@ -124,7 +124,7 @@ impl From<hyper::Error> for LaunchError {
     #[inline]
     fn from(error: hyper::Error) -> LaunchError {
         match error {
-            hyper::Error::Io(e) => LaunchError::new(LaunchErrorKind::Io(e)),
+            // TODO hyper::Error::Io(e) => LaunchError::new(LaunchErrorKind::Io(e)),
             e => LaunchError::new(LaunchErrorKind::Unknown(Box::new(e)))
         }
     }

core/lib/src/local/request.rs

@@ -107,7 +107,9 @@ impl<'c> LocalRequest<'c> {
         uri: Cow<'c, str>
     ) -> LocalRequest<'c> {
         // We set a dummy string for now and check the user's URI on dispatch.
-        let request = Request::new(client.rocket(), method, Origin::dummy());
+        let config = &client.rocket().config;
+        let state = &client.rocket().state;
+        let request = Request::new(config, state, method, Origin::dummy());
 
         // Set up any cookies we know about.
         if let Some(ref jar) = client.cookies {
@@ -408,7 +410,7 @@ impl<'c> LocalRequest<'c> {
         }
 
         // Actually dispatch the request.
-        let response = client.rocket().dispatch(request, Data::local(data));
+        let response = client.rocket().dispatch(request, Data::new(data));
 
         // If the client is tracking cookies, updates the internal cookie jar
         // with the changes reflected by `response`.

core/lib/src/logger.rs

@@ -158,16 +158,16 @@ pub(crate) fn try_init(level: LoggingLevel, verbose: bool) -> bool {
     }
 
     push_max_level(level);
-    if let Err(e) = log::set_boxed_logger(Box::new(RocketLogger(level))) {
+/*    if let Err(e) = log::set_boxed_logger(Box::new(RocketLogger(level))) {
         if verbose {
             eprintln!("Logger failed to initialize: {}", e);
         }
 
         pop_max_level();
         return false;
-    }
+    }*/
 
-    true
+    false
 }
 
 use std::sync::atomic::{AtomicUsize, AtomicBool, Ordering};

core/lib/src/request/request.rs

@@ -3,6 +3,8 @@ use std::cell::{Cell, RefCell};
 use std::net::{IpAddr, SocketAddr};
 use std::fmt;
 use std::str;
+use std::str::FromStr;
+use std::sync::Arc;
 
 use yansi::Paint;
 use state::{Container, Storage};
@@ -13,7 +15,7 @@ use crate::request::{FromFormValue, FormItems, FormItem};
 use crate::rocket::Rocket;
 use crate::router::Route;
 use crate::config::{Config, Limits};
-use crate::http::{hyper, uri::{Origin, Segments}};
+use crate::http::{hyper, uri::{Origin, Segments, Uri}};
 use crate::http::{Method, Header, HeaderMap, Cookies};
 use crate::http::{RawStr, ContentType, Accept, MediaType};
 use crate::http::private::{Indexed, SmallVec, CookieJar};
@@ -59,7 +61,8 @@ impl<'r> Request<'r> {
     /// Create a new `Request` with the given `method` and `uri`.
     #[inline(always)]
     pub(crate) fn new<'s: 'r>(
-        rocket: &'r Rocket,
+        config: &'r Config,
+        managed: &'r Container,
         method: Method,
         uri: Origin<'s>
     ) -> Request<'r> {
@@ -71,8 +74,8 @@ impl<'r> Request<'r> {
             state: RequestState {
                 path_segments: SmallVec::new(),
                 query_items: None,
-                config: &rocket.config,
+                config,
-                managed: &rocket.state,
+                managed,
                 route: Cell::new(None),
                 cookies: RefCell::new(CookieJar::new()),
                 accept: Storage::new(),
@@ -699,7 +702,7 @@ impl<'r> Request<'r> {
     pub fn example<F: Fn(&mut Request<'_>)>(method: Method, uri: &str, f: F) {
         let rocket = Rocket::custom(Config::development());
         let uri = Origin::parse(uri).expect("invalid URI in example");
-        let mut request = Request::new(&rocket, method, uri);
+        let mut request = Request::new(&rocket.config, &rocket.state, method, uri);
         f(&mut request);
     }
 
@@ -782,36 +785,42 @@ impl<'r> Request<'r> {
 
     /// Convert from Hyper types into a Rocket Request.
     pub(crate) fn from_hyp(
-        rocket: &'r Rocket,
+        config: &'r Config,
-        h_method: hyper::Method,
+        managed: &'r Container,
-        h_headers: hyper::header::Headers,
+        request_parts: &hyper::Parts,
-        h_uri: hyper::RequestUri,
-        h_addr: SocketAddr,
     ) -> Result<Request<'r>, String> {
-        // Get a copy of the URI for later use.
+
-        let uri = match h_uri {
+        let h_uri = &request_parts.uri;
-            hyper::RequestUri::AbsolutePath(s) => s,
+        let h_headers = &request_parts.headers;
-            _ => return Err(format!("Bad URI: {}", h_uri)),
+        let h_version = &request_parts.version;
-        };
+        let h_method = &request_parts.method;;
+
+//        if !h_uri.is_absolute() {
+//            return Err(format!("Bad URI: {}", h_uri));
+//        };
 
         // Ensure that the method is known. TODO: Allow made-up methods?
-        let method = match Method::from_hyp(&h_method) {
+        let method = match Method::from_hyp(h_method) {
             Some(method) => method,
-            None => return Err(format!("Invalid method: {}", h_method))
+            None => return Err(format!("Unknown method: {}", h_method))
         };
 
         // We need to re-parse the URI since we don't trust Hyper... :(
-        let uri = Origin::parse_owned(uri).map_err(|e| e.to_string())?;
+        let uri = Origin::parse_owned(format!("{}", h_uri)).map_err(|e| e.to_string())?;
 
         // Construct the request object.
-        let mut request = Request::new(rocket, method, uri);
+        let mut request = Request::new(config, managed, method, uri);
-        request.set_remote(h_addr);
+//        request.set_remote(match hyp_req.remote_addr() {
+//            Some(remote) => remote,
+//            None => return Err(String::from("Missing remote address"))
+//        });
 
         // Set the request cookies, if they exist.
-        if let Some(cookie_headers) = h_headers.get_raw("Cookie") {
+        let cookie_headers = h_headers.get_all("Cookie").iter();
+        // TODO if cookie_headers.peek().is_some() {
             let mut cookie_jar = CookieJar::new();
             for header in cookie_headers {
-                let raw_str = match std::str::from_utf8(header) {
+                let raw_str = match ::std::str::from_utf8(header.as_bytes()) {
                     Ok(string) => string,
                     Err(_) => continue
                 };
@@ -824,18 +833,19 @@ impl<'r> Request<'r> {
             }
 
             request.state.cookies = RefCell::new(cookie_jar);
-        }
+        // TODO }
 
         // Set the rest of the headers.
-        for hyp in h_headers.iter() {
+        for (name, value) in h_headers.iter() {
-            if let Some(header_values) = h_headers.get_raw(hyp.name()) {
+
-                for value in header_values {
+            // TODO if let Some(header_values) = h_headers.get_all(hyp.name()) {
+
                     // This is not totally correct since values needn't be UTF8.
-                    let value_str = String::from_utf8_lossy(value).into_owned();
+                    let value_str = String::from_utf8_lossy(value.as_bytes()).into_owned();
-                    let header = Header::new(hyp.name().to_string(), value_str);
+                    let header = Header::new(name.to_string(), value_str);
                     request.add_header(header);
-                }
+
-            }
+            // TODO }
         }
 
         Ok(request)

core/lib/src/rocket.rs

@@ -1,14 +1,22 @@
 use std::collections::HashMap;
-use std::str::from_utf8;
+use std::convert::From;
+use std::str::{from_utf8, FromStr};
 use std::cmp::min;
 use std::io::{self, Write};
 use std::time::Duration;
 use std::mem;
+use std::net::{IpAddr, SocketAddr, ToSocketAddrs};
+use std::sync::Arc;
+
+use futures::{Future, Stream};
+use futures::future::{self, FutureResult};
 
 use yansi::Paint;
 use state::Container;
+use tokio::net::TcpListener;
+use tokio::prelude::{Future as _, Stream as _};
 
-#[cfg(feature = "tls")] use crate::http::tls::TlsServer;
+#[cfg(feature = "tls")] use crate::http::tls::TlsAcceptor;
 
 use crate::{logger, handler};
 use crate::ext::ReadExt;
@@ -37,23 +45,59 @@ pub struct Rocket {
     fairings: Fairings,
 }
 
+struct RocketArcs {
+    config: Arc<Config>,
+    router: Arc<Router>,
+    default_catchers: Arc<HashMap<u16, Catcher>>,
+    catchers: Arc<HashMap<u16, Catcher>>,
+    state: Arc<Container>,
+    fairings: Arc<Fairings>,
+}
+
+impl<Ctx> hyper::MakeService<Ctx> for RocketArcs {
+    type ReqBody = hyper::Body;
+    type ResBody = hyper::Body;
+    type Error = hyper::Error;
+    type Service = RocketHyperService;
+    type Future = FutureResult<Self::Service, Self::MakeError>;
+    type MakeError = Self::Error;
+
+    fn make_service(&mut self, _: Ctx) -> Self::Future {
+        future::ok(RocketHyperService::new(self))
+    }
+}
+
+#[derive(Clone)]
+pub struct RocketHyperService {
+    config: Arc<Config>,
+    router: Arc<Router>,
+    default_catchers: Arc<HashMap<u16, Catcher>>,
+    catchers: Arc<HashMap<u16, Catcher>>,
+    state: Arc<Container>,
+    fairings: Arc<Fairings>,
+}
+
 #[doc(hidden)]
-impl hyper::Handler for Rocket {
+impl hyper::Service for RocketHyperService {
+    type ReqBody = hyper::Body;
+    type ResBody = hyper::Body;
+    type Error = hyper::Error;
+    //type Future = FutureResult<hyper::Response<Self::ResBody>, Self::Error>;
+    type Future = Box<future::Future<Item = hyper::Response<Self::ResBody>, Error = Self::Error> + Send>;
+
     // This function tries to hide all of the Hyper-ness from Rocket. It
     // essentially converts Hyper types into Rocket types, then calls the
     // `dispatch` function, which knows nothing about Hyper. Because responding
     // depends on the `HyperResponse` type, this function does the actual
     // response processing.
-    fn handle<'h, 'k>(
+    fn call<'h>(
-        &self,
+        &mut self,
-        hyp_req: hyper::Request<'h, 'k>,
+        hyp_req: hyper::Request<Self::ReqBody>,
-        res: hyper::FreshResponse<'h>,
+    ) -> Self::Future {
-    ) {
+        let (parts, body) = hyp_req.into_parts();
-        // Get all of the information from Hyper.
-        let (h_addr, h_method, h_headers, h_uri, _, h_body) = hyp_req.deconstruct();
 
         // Convert the Hyper request into a Rocket request.
-        let req_res = Request::from_hyp(self, h_method, h_headers, h_uri, h_addr);
+        let req_res = Request::from_hyp(&self.config, &self.state, &parts);
         let mut req = match req_res {
             Ok(req) => req,
             Err(e) => {
@@ -62,111 +106,42 @@ impl hyper::Handler for Rocket {
                 // fabricate one. This is weird. We should let the user know
                 // that we failed to parse a request (by invoking some special
                 // handler) instead of doing this.
-                let dummy = Request::new(self, Method::Get, Origin::dummy());
+                let dummy = Request::new(&self.config, &self.state, Method::Get, Origin::dummy());
                 let r = self.handle_error(Status::BadRequest, &dummy);
-                return self.issue_response(r, res);
+                return Box::new(future::ok(hyper::Response::from(r)));
             }
         };
 
-        // Retrieve the data from the hyper body.
+        let this = self.clone();
-        let data = match Data::from_hyp(h_body) {
-            Ok(data) => data,
-            Err(reason) => {
-                error_!("Bad data in request: {}", reason);
-                let r = self.handle_error(Status::InternalServerError, &req);
-                return self.issue_response(r, res);
-            }
-        };
 
-        // Dispatch the request to get a response, then write that response out.
+        let response = body.concat2()
-        let response = self.dispatch(&mut req, data);
+            .map(move |chunk| {
-        self.issue_response(response, res)
+                let body = chunk.iter().rev().cloned().collect::<Vec<u8>>();
+                let data = Data::new(body);
+
+                // TODO: Due to life time constraints the clone of the service has been made.
+                // TODO: It should not be necessary but it is required to find a better solution
+                let mut req = Request::from_hyp(&this.config, &this.state, &parts).unwrap();
+                // Dispatch the request to get a response, then write that response out.
+                let response = this.dispatch(&mut req, data);
+                hyper::Response::from(response)
+            });
+
+        Box::new(response)
     }
 }
 
-// This macro is a terrible hack to get around Hyper's Server<L> type. What we
+impl RocketHyperService {
-// want is to use almost exactly the same launch code when we're serving over
-// HTTPS as over HTTP. But Hyper forces two different types, so we can't use the
-// same code, at least not trivially. These macros get around that by passing in
-// the same code as a continuation in `$continue`. This wouldn't work as a
-// regular function taking in a closure because the types of the inputs to the
-// closure would be different depending on whether TLS was enabled or not.
-#[cfg(not(feature = "tls"))]
-macro_rules! serve {
-    ($rocket:expr, $addr:expr, |$server:ident, $proto:ident| $continue:expr) => ({
-        let ($proto, $server) = ("http://", hyper::Server::http($addr));
-        $continue
-    })
-}
-
-#[cfg(feature = "tls")]
-macro_rules! serve {
-    ($rocket:expr, $addr:expr, |$server:ident, $proto:ident| $continue:expr) => ({
-        if let Some(tls) = $rocket.config.tls.clone() {
-            let tls = TlsServer::new(tls.certs, tls.key);
-            let ($proto, $server) = ("https://", hyper::Server::https($addr, tls));
-            $continue
-        } else {
-            let ($proto, $server) = ("http://", hyper::Server::http($addr));
-            $continue
-        }
-    })
-}
-
-impl Rocket {
-    #[inline]
-    fn issue_response(&self, response: Response<'_>, hyp_res: hyper::FreshResponse<'_>) {
-        match self.write_response(response, hyp_res) {
-            Ok(_) => info_!("{}", Paint::green("Response succeeded.")),
-            Err(e) => error_!("Failed to write response: {:?}.", e),
-        }
-    }
 
     #[inline]
-    fn write_response(
+    fn new(rocket: &RocketArcs) -> RocketHyperService {
-        &self,
+        RocketHyperService {
-        mut response: Response<'_>,
+            config: rocket.config.clone(),
-        mut hyp_res: hyper::FreshResponse<'_>,
+            router: rocket.router.clone(),
-    ) -> io::Result<()> {
+            default_catchers: rocket.default_catchers.clone(),
-        *hyp_res.status_mut() = hyper::StatusCode::from_u16(response.status().code);
+            catchers: rocket.catchers.clone(),
-
+            state: rocket.state.clone(),
-        for header in response.headers().iter() {
+            fairings: rocket.fairings.clone(),
-            // FIXME: Using hyper here requires two allocations.
-            let name = header.name.into_string();
-            let value = Vec::from(header.value.as_bytes());
-            hyp_res.headers_mut().append_raw(name, value);
-        }
-
-        match response.body() {
-            None => {
-                hyp_res.headers_mut().set(header::ContentLength(0));
-                hyp_res.start()?.end()
-            }
-            Some(Body::Sized(body, size)) => {
-                hyp_res.headers_mut().set(header::ContentLength(size));
-                let mut stream = hyp_res.start()?;
-                io::copy(body, &mut stream)?;
-                stream.end()
-            }
-            Some(Body::Chunked(mut body, chunk_size)) => {
-                // This _might_ happen on a 32-bit machine!
-                if chunk_size > (usize::max_value() as u64) {
-                    let msg = "chunk size exceeds limits of usize type";
-                    return Err(io::Error::new(io::ErrorKind::Other, msg));
-                }
-
-                // The buffer stores the current chunk being written out.
-                let mut buffer = vec![0; chunk_size as usize];
-                let mut stream = hyp_res.start()?;
-                loop {
-                    match body.read_max(&mut buffer)? {
-                        0 => break,
-                        n => stream.write_all(&buffer[..n])?,
-                    }
-                }
-
-                stream.end()
-            }
         }
     }
 
@@ -331,6 +306,26 @@ impl Rocket {
             default.handle(req).expect("Default 500 response.")
         })
     }
+}
+
+impl Rocket {
+
+    #[inline]
+    pub(crate) fn dispatch<'s, 'r>(
+        &'s self,
+        request: &'r mut Request<'s>,
+        data: Data
+    ) -> Response<'r> {
+        unimplemented!("TODO")
+    }
+
+    pub(crate) fn handle_error<'r>(
+        &self,
+        status: Status,
+        req: &'r Request
+    ) -> Response<'r> {
+        unimplemented!("TODO")
+    }
 
     /// Create a new `Rocket` application using the configuration information in
     /// `Rocket.toml`. If the file does not exist or if there is an I/O error
@@ -510,6 +505,7 @@ impl Rocket {
             panic!("Invalid mount point.");
         }
 
+        let mut router = self.router.clone();
         for mut route in routes.into() {
             let path = route.uri.clone();
             if let Err(e) = route.set_uri(base_uri.clone(), path) {
@@ -518,9 +514,11 @@ impl Rocket {
             }
 
             info_!("{}", route);
-            self.router.add(route);
+            router.add(route);
         }
 
+        self.router = router;
+
         self
     }
 
@@ -554,6 +552,9 @@ impl Rocket {
     #[inline]
     pub fn register(mut self, catchers: Vec<Catcher>) -> Self {
         info!("{}{}", Paint::masked("👾 "), Paint::magenta("Catchers:"));
+
+        let mut current_catchers = self.catchers.clone();
+
         for c in catchers {
             if self.catchers.get(&c.code).map_or(false, |e| !e.is_default) {
                 info_!("{} {}", c, Paint::yellow("(warning: duplicate catcher!)"));
@@ -561,9 +562,11 @@ impl Rocket {
                 info_!("{}", c);
             }
 
-            self.catchers.insert(c.code, c);
+            current_catchers.insert(c.code, c);
         }
 
+        self.catchers = current_catchers;
+
         self
     }
 
@@ -687,46 +690,90 @@ impl Rocket {
 
         self.fairings.pretty_print_counts();
 
-        let full_addr = format!("{}:{}", self.config.address, self.config.port);
+        // TODO.async What meaning should config.workers have now?
-        serve!(self, &full_addr, |server, proto| {
+        // Initialize the tokio runtime
-            let mut server = match server {
+        let mut runtime = tokio::runtime::Builder::new()
-                Ok(server) => server,
+            .core_threads(self.config.workers as usize)
-                Err(e) => return LaunchError::new(LaunchErrorKind::Bind(e)),
+            .build()
-            };
+            .expect("Cannot build runtime!");
 
-            // Determine the address and port we actually binded to.
+        let threads = self.config.workers as usize;
-            match server.local_addr() {
+
-                Ok(server_addr) => self.config.port = server_addr.port(),
+        let full_addr = format!("{}:{}", self.config.address, self.config.port)
-                Err(e) => return LaunchError::from(e),
+            .to_socket_addrs()
+            .expect("A valid socket address")
+            .next()
+            .unwrap();
+
+        let listener = match TcpListener::bind(&full_addr) {
+            Ok(listener) => listener,
+            Err(e) => return LaunchError::new(LaunchErrorKind::Bind(e)),
+        };
+
+        // Determine the address and port we actually binded to.
+        match listener.local_addr() {
+            Ok(server_addr) => /* TODO self.config.port = */ server_addr.port(),
+            Err(e) => return LaunchError::from(e),
+        };
+
+        let proto;
+        let incoming;
+
+        #[cfg(feature = "tls")]
+        {
+            // TODO.async: Can/should we make the clone unnecessary (by reference, or by moving out?)
+            if let Some(tls) = self.config.tls.clone() {
+                proto = "https://";
+                let mut config = tls::rustls::ServerConfig::new(tls::rustls::NoClientAuth::new());
+                config.set_single_cert(tls.certs, tls.key).expect("invalid key or certificate");
+
+                // TODO.async: I once observed an unhandled AlertReceived(UnknownCA) but
+                // have no idea what happened and cannot reproduce.
+                let config = TlsAcceptor::from(Arc::new(config));
+
+                incoming = Box::new(listener.incoming().and_then(move |stream| {
+                    config.accept(stream)
+                        .map(|stream| Box::new(stream))
+                }));
             }
-
+            else {
-            // Set the keep-alive.
+                proto = "http://";
-            let timeout = self.config.keep_alive.map(|s| Duration::from_secs(s as u64));
+                incoming = Box::new(listener.incoming().map(|stream| Box::new(stream)));
-            server.keep_alive(timeout);
-
-            // Freeze managed state for synchronization-free accesses later.
-            self.state.freeze();
-
-            // Run the launch fairings.
-            self.fairings.handle_launch(&self);
-
-            let full_addr = format!("{}:{}", self.config.address, self.config.port);
-            launch_info!("{}{} {}{}",
-                         Paint::masked("🚀 "),
-                         Paint::default("Rocket has launched from").bold(),
-                         Paint::default(proto).bold().underline(),
-                         Paint::default(&full_addr).bold().underline());
-
-            // Restore the log level back to what it originally was.
-            logger::pop_max_level();
-
-            let threads = self.config.workers as usize;
-            if let Err(e) = server.handle_threads(self, threads) {
-                return LaunchError::from(e);
             }
+        }
 
-            unreachable!("the call to `handle_threads` should block on success")
+        #[cfg(not(feature = "tls"))]
-        })
+        {
+            proto = "http://";
+            incoming = Box::new(listener.incoming().map(|stream| Box::new(stream)));
+        }
+
+        // Freeze managed state for synchronization-free accesses later.
+        self.state.freeze();
+
+        // Run the launch fairings.
+        self.fairings.handle_launch(&self);
+
+        launch_info!("{}{} {}{}",
+                     Paint::masked("🚀 "),
+                     Paint::default("Rocket has launched from").bold(),
+                     Paint::default(proto).bold().underline(),
+                     Paint::default(&full_addr).bold().underline());
+
+        // Restore the log level back to what it originally was.
+        logger::pop_max_level();
+
+        let arcs = RocketArcs::from(self);
+
+        // NB: executor must be passed manually here, see hyperium/hyper#1537
+        let server = hyper::Server::builder(incoming)
+            .executor(runtime.executor())
+            .serve(arcs);
+
+        // TODO.async: Use with_graceful_shutdown, and let launch() return a Result<(), Error>
+        runtime.block_on(server).expect("TODO.async handle error");
+
+        unreachable!("the call to `handle_threads` should block on success")
     }
 
     /// Returns an iterator over all of the routes mounted on this instance of
@@ -811,3 +858,47 @@ impl Rocket {
         &self.config
     }
 }
+
+impl From<Rocket> for RocketArcs {
+    fn from(mut rocket: Rocket) -> Self {
+        RocketArcs {
+            config: Arc::new(rocket.config),
+            router: Arc::new(rocket.router),
+            default_catchers: Arc::new(rocket.default_catchers),
+            catchers: Arc::new(rocket.catchers),
+            state: Arc::new(rocket.state),
+            fairings: Arc::new(rocket.fairings),
+        }
+    }
+}
+
+// TODO: consider try_from here?
+impl<'a> From<Response<'a>> for hyper::Response<hyper::Body> {
+    fn from(mut response: Response) -> Self {
+
+        let mut builder = hyper::Response::builder();
+        builder.status(hyper::StatusCode::from_u16(response.status().code).expect(""));
+
+        for header in response.headers().iter() {
+            // FIXME: Using hyper here requires two allocations.
+            let name = hyper::HeaderName::from_str(&header.name.into_string()).unwrap();
+            let value = hyper::HeaderValue::from_bytes(header.value.as_bytes()).unwrap();
+            builder.header(name, value);
+        }
+
+        match response.body() {
+            None => {
+                builder.body(hyper::Body::empty())
+            },
+            Some(Body::Sized(body, size)) => {
+                let mut buffer = Vec::with_capacity(size as usize);
+                body.read_to_end(&mut buffer);
+                builder.header(header::CONTENT_LENGTH, hyper::HeaderValue::from(size));
+                builder.body(hyper::Body::from(buffer))
+            },
+            Some(Body::Chunked(mut body, chunk_size)) => {
+                unimplemented!()
+            }
+        }.unwrap()
+    }
+}

core/lib/src/router/mod.rs

@@ -16,7 +16,7 @@ pub(crate) fn dummy_handler<'r>(r: &'r crate::Request<'_>, _: crate::Data) -> cr
     crate::Outcome::from(r, ())
 }
 
-#[derive(Default)]
+#[derive(Default, Clone)]
 pub struct Router {
     routes: HashMap<Selector, Vec<Route>>,
 }