make simple test work

src/client.rs

@@ -44,7 +44,7 @@ where
     type Output = io::Result<TlsStream<IO>>;
 
     #[inline]
-    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
 
         if let MidHandshake::Handshaking(stream) = this {
@@ -79,7 +79,7 @@ where
         Initializer::nop()
     }
 
-    fn poll_read(self: Pin<&mut Self>, cx: &mut Context, buf: &mut [u8]) -> Poll<io::Result<usize>> {
+    fn poll_read(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8]) -> Poll<io::Result<usize>> {
         match self.state {
             #[cfg(feature = "early-data")]
             TlsState::EarlyData => {
@@ -140,7 +140,7 @@ impl<IO> AsyncWrite for TlsStream<IO>
 where
     IO: AsyncRead + AsyncWrite + Unpin,
 {
-    fn poll_write(self: Pin<&mut Self>, cx: &mut Context, buf: &[u8]) -> Poll<io::Result<usize>> {
+    fn poll_write(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll<io::Result<usize>> {
         let this = self.get_mut();
         let mut stream = Stream::new(&mut this.io, &mut this.session)
             .set_eof(!this.state.readable());
@@ -181,14 +181,14 @@ where
         }
     }
 
-    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context) -> Poll<io::Result<()>> {
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
         let this = self.get_mut();
         Stream::new(&mut this.io, &mut this.session)
             .set_eof(!this.state.readable())
             .poll_flush(cx)
     }
 
-    fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<io::Result<()>> {
+    fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
         if self.state.writeable() {
             self.session.send_close_notify();
             self.state.shutdown_write();

src/common/mod.rs

@@ -1,5 +1,3 @@
-// mod vecbuf;
-
 use std::pin::Pin;
 use std::task::Poll;
 use std::marker::Unpin;

src/common/vecbuf.rs

@@ -1,122 +0,0 @@
-use std::cmp::{ self, Ordering };
-use bytes::Buf;
-use iovec::IoVec;
-
-pub struct VecBuf<'a, 'b: 'a> {
-    pos: usize,
-    cur: usize,
-    inner: &'a [&'b [u8]]
-}
-
-impl<'a, 'b> VecBuf<'a, 'b> {
-    pub fn new(vbytes: &'a [&'b [u8]]) -> Self {
-        VecBuf { pos: 0, cur: 0, inner: vbytes }
-    }
-}
-
-impl<'a, 'b> Buf for VecBuf<'a, 'b> {
-    fn remaining(&self) -> usize {
-        let sum = self.inner
-            .iter()
-            .skip(self.pos)
-            .map(|bytes| bytes.len())
-            .sum::<usize>();
-        sum - self.cur
-    }
-
-    fn bytes(&self) -> &[u8] {
-        &self.inner[self.pos][self.cur..]
-    }
-
-    fn advance(&mut self, cnt: usize) {
-        let current = self.inner[self.pos].len();
-        match (self.cur + cnt).cmp(&current) {
-            Ordering::Equal => if self.pos + 1 < self.inner.len() {
-                self.pos += 1;
-                self.cur = 0;
-            } else {
-                self.cur += cnt;
-            },
-            Ordering::Greater => {
-                if self.pos + 1 < self.inner.len() {
-                    self.pos += 1;
-                }
-                let remaining = self.cur + cnt - current;
-                self.advance(remaining);
-            },
-            Ordering::Less => self.cur += cnt,
-        }
-    }
-
-    #[allow(clippy::needless_range_loop)]
-    fn bytes_vec<'c>(&'c self, dst: &mut [&'c IoVec]) -> usize {
-        let len = cmp::min(self.inner.len() - self.pos, dst.len());
-
-        if len > 0 {
-            dst[0] = self.bytes().into();
-        }
-
-        for i in 1..len {
-            dst[i] = self.inner[self.pos + i].into();
-        }
-
-        len
-    }
-}
-
-#[cfg(test)]
-mod test_vecbuf {
-    use super::*;
-
-    #[test]
-    fn test_fresh_cursor_vec() {
-        let mut buf = VecBuf::new(&[b"he", b"llo"]);
-
-        assert_eq!(buf.remaining(), 5);
-        assert_eq!(buf.bytes(), b"he");
-
-        buf.advance(2);
-
-        assert_eq!(buf.remaining(), 3);
-        assert_eq!(buf.bytes(), b"llo");
-
-        buf.advance(3);
-
-        assert_eq!(buf.remaining(), 0);
-        assert_eq!(buf.bytes(), b"");
-    }
-
-    #[test]
-    fn test_get_u8() {
-        let mut buf = VecBuf::new(&[b"\x21z", b"omg"]);
-        assert_eq!(0x21, buf.get_u8());
-    }
-
-    #[test]
-    fn test_get_u16() {
-        let mut buf = VecBuf::new(&[b"\x21\x54z", b"omg"]);
-        assert_eq!(0x2154, buf.get_u16_be());
-        let mut buf = VecBuf::new(&[b"\x21\x54z", b"omg"]);
-        assert_eq!(0x5421, buf.get_u16_le());
-    }
-
-    #[test]
-    #[should_panic]
-    fn test_get_u16_buffer_underflow() {
-        let mut buf = VecBuf::new(&[b"\x21"]);
-        buf.get_u16_be();
-    }
-
-    #[test]
-    fn test_bufs_vec() {
-        let buf = VecBuf::new(&[b"he", b"llo"]);
-
-        let b1: &[u8] = &mut [0];
-        let b2: &[u8] = &mut [0];
-
-        let mut dst: [&IoVec; 2] =
-            [b1.into(), b2.into()];
-
-        assert_eq!(2, buf.bytes_vec(&mut dst[..]));
-    }
-}

src/lib.rs

@@ -109,7 +109,7 @@ impl TlsConnector {
 
     pub fn connect<IO>(&self, domain: DNSNameRef, stream: IO) -> Connect<IO>
     where
-        IO: AsyncRead + AsyncWrite,
+        IO: AsyncRead + AsyncWrite + Unpin,
     {
         self.connect_with(domain, stream, |_| ())
     }
@@ -117,7 +117,7 @@ impl TlsConnector {
     #[inline]
     pub fn connect_with<IO, F>(&self, domain: DNSNameRef, stream: IO, f: F) -> Connect<IO>
     where
-        IO: AsyncRead + AsyncWrite,
+        IO: AsyncRead + AsyncWrite + Unpin,
         F: FnOnce(&mut ClientSession),
     {
         let mut session = ClientSession::new(&self.inner, domain);
@@ -156,7 +156,7 @@ impl TlsConnector {
 impl TlsAcceptor {
     pub fn accept<IO>(&self, stream: IO) -> Accept<IO>
     where
-        IO: AsyncRead + AsyncWrite,
+        IO: AsyncRead + AsyncWrite + Unpin,
     {
         self.accept_with(stream, |_| ())
     }
@@ -164,7 +164,7 @@ impl TlsAcceptor {
     #[inline]
     pub fn accept_with<IO, F>(&self, stream: IO, f: F) -> Accept<IO>
     where
-        IO: AsyncRead + AsyncWrite,
+        IO: AsyncRead + AsyncWrite + Unpin,
         F: FnOnce(&mut ServerSession),
     {
         let mut session = ServerSession::new(&self.inner);
@@ -189,7 +189,8 @@ pub struct Accept<IO>(server::MidHandshake<IO>);
 impl<IO: AsyncRead + AsyncWrite + Unpin> Future for Connect<IO> {
     type Output = io::Result<client::TlsStream<IO>>;
 
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    #[inline]
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         Pin::new(&mut self.0).poll(cx)
     }
 }
@@ -197,7 +198,8 @@ impl<IO: AsyncRead + AsyncWrite + Unpin> Future for Connect<IO> {
 impl<IO: AsyncRead + AsyncWrite + Unpin> Future for Accept<IO> {
     type Output = io::Result<server::TlsStream<IO>>;
 
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    #[inline]
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         Pin::new(&mut self.0).poll(cx)
     }
 }

src/server.rs

@@ -39,7 +39,7 @@ where
     type Output = io::Result<TlsStream<IO>>;
 
     #[inline]
-    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
         let this = self.get_mut();
 
         if let MidHandshake::Handshaking(stream) = this {
@@ -72,7 +72,7 @@ where
         Initializer::nop()
     }
 
-    fn poll_read(self: Pin<&mut Self>, cx: &mut Context, buf: &mut [u8]) -> Poll<io::Result<usize>> {
+    fn poll_read(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8]) -> Poll<io::Result<usize>> {
         let this = self.get_mut();
         let mut stream = Stream::new(&mut this.io, &mut this.session)
             .set_eof(!this.state.readable());
@@ -106,21 +106,21 @@ impl<IO> AsyncWrite for TlsStream<IO>
 where
     IO: AsyncRead + AsyncWrite + Unpin,
 {
-    fn poll_write(self: Pin<&mut Self>, cx: &mut Context, buf: &[u8]) -> Poll<io::Result<usize>> {
+    fn poll_write(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll<io::Result<usize>> {
         let this = self.get_mut();
         Stream::new(&mut this.io, &mut this.session)
             .set_eof(!this.state.readable())
             .poll_write(cx, buf)
     }
 
-    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context) -> Poll<io::Result<()>> {
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
         let this = self.get_mut();
         Stream::new(&mut this.io, &mut this.session)
             .set_eof(!this.state.readable())
             .poll_flush(cx)
     }
 
-    fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<io::Result<()>> {
+    fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
         if self.state.writeable() {
             self.session.send_close_notify();
             self.state.shutdown_write();

tests/test.rs

@@ -1,17 +1,15 @@
-#![cfg(not(test))]
+#![feature(async_await)]
-
-#[macro_use] extern crate lazy_static;
-extern crate rustls;
-extern crate tokio;
-extern crate tokio_rustls;
-extern crate webpki;
 
 use std::{ io, thread };
 use std::io::{ BufReader, Cursor };
 use std::sync::Arc;
 use std::sync::mpsc::channel;
 use std::net::SocketAddr;
-use tokio::net::{ TcpListener, TcpStream };
+use lazy_static::lazy_static;
+use futures::prelude::*;
+use futures::executor;
+use futures::task::SpawnExt;
+use romio::tcp::{ TcpListener, TcpStream };
 use rustls::{ ServerConfig, ClientConfig };
 use rustls::internal::pemfile::{ certs, rsa_private_keys };
 use tokio_rustls::{ TlsConnector, TlsAcceptor };
@@ -22,9 +20,6 @@ const RSA: &str = include_str!("end.rsa");
 
 lazy_static!{
     static ref TEST_SERVER: (SocketAddr, &'static str, &'static str) = {
-        use tokio::prelude::*;
-        use tokio::io as aio;
-
         let cert = certs(&mut BufReader::new(Cursor::new(CERT))).unwrap();
         let mut keys = rsa_private_keys(&mut BufReader::new(Cursor::new(RSA))).unwrap();
 
@@ -36,26 +31,32 @@ lazy_static!{
         let (send, recv) = channel();
 
         thread::spawn(move || {
-            let addr = SocketAddr::from(([127, 0, 0, 1], 0));
+            let done = async {
-            let listener = TcpListener::bind(&addr).unwrap();
+                let addr = SocketAddr::from(([127, 0, 0, 1], 0));
+                let mut pool = executor::ThreadPool::new()?;
+                let mut listener = TcpListener::bind(&addr)?;
 
-            send.send(listener.local_addr().unwrap()).unwrap();
+                send.send(listener.local_addr()?).unwrap();
 
-            let done = listener.incoming()
+                let mut incoming = listener.incoming();
-                .for_each(move |stream| {
+                while let Some(stream) = incoming.next().await {
-                    let done = config.accept(stream)
+                    let config = config.clone();
-                        .and_then(|stream| {
+                    pool.spawn(
-                            let (reader, writer) = stream.split();
+                        async move {
-                            aio::copy(reader, writer)
+                            let stream = stream?;
-                        })
+                            let stream = config.accept(stream).await?;
-                        .then(|_| Ok(()));
+                            let (mut reader, mut write) = stream.split();
+                            reader.copy_into(&mut write).await?;
+                            Ok(()) as io::Result<()>
+                        }
+                        .unwrap_or_else(|err| eprintln!("{:?}", err))
+                    ).unwrap();
+                }
 
-                    tokio::spawn(done);
+                Ok(()) as io::Result<()>
-                    Ok(())
+            };
-                })
-                .map_err(|err| panic!("{:?}", err));
 
-            tokio::run(done);
+            executor::block_on(done).unwrap();
         });
 
         let addr = recv.recv().unwrap();
@@ -63,31 +64,26 @@ lazy_static!{
     };
 }
 
-
 fn start_server() -> &'static (SocketAddr, &'static str, &'static str) {
     &*TEST_SERVER
 }
 
-fn start_client(addr: &SocketAddr, domain: &str, config: Arc<ClientConfig>) -> io::Result<()> {
+async fn start_client(addr: SocketAddr, domain: &str, config: Arc<ClientConfig>) -> io::Result<()> {
-    use tokio::prelude::*;
-    use tokio::io as aio;
-
     const FILE: &'static [u8] = include_bytes!("../README.md");
 
     let domain = webpki::DNSNameRef::try_from_ascii_str(domain).unwrap();
     let config = TlsConnector::from(config);
+    let mut buf = vec![0; FILE.len()];
 
-    let done = TcpStream::connect(addr)
+    let stream = TcpStream::connect(&addr).await?;
-        .and_then(|stream| config.connect(domain, stream))
+    let mut stream = config.connect(domain, stream).await?;
-        .and_then(|stream| aio::write_all(stream, FILE))
+    stream.write_all(FILE).await?;
-        .and_then(|(stream, _)| aio::read_exact(stream, vec![0; FILE.len()]))
+    stream.read_exact(&mut buf).await?;
-        .and_then(|(stream, buf)| {
-            assert_eq!(buf, FILE);
-            aio::shutdown(stream)
-        })
-        .map(drop);
 
-    done.wait()
+    assert_eq!(buf, FILE);
+
+    stream.close().await?;
+    Ok(())
 }
 
 #[test]
@@ -99,7 +95,7 @@ fn pass() {
     config.root_store.add_pem_file(&mut chain).unwrap();
     let config = Arc::new(config);
 
-    start_client(addr, domain, config.clone()).unwrap();
+    executor::block_on(start_client(addr.clone(), domain, config.clone())).unwrap();
 }
 
 #[test]
@@ -112,5 +108,5 @@ fn fail() {
     let config = Arc::new(config);
 
     assert_ne!(domain, &"google.com");
-    assert!(start_client(addr, "google.com", config).is_err());
+    assert!(executor::block_on(start_client(addr.clone(), "google.com", config)).is_err());
 }