Migrate to the tokio-io (fixes #1)

Cargo.toml

@@ -10,7 +10,9 @@ version = "0.1.0"
 
 [dependencies]
 futures = "0.1.10"
-tokio-core = "0.1.4"
+tokio-io = "0.1.1"
+tungstenite = "0.1.0"
 url = "1.4.0"
 
-tungstenite = "0.1.0"
+[dev-dependencies]
+tokio-core = "0.1.4"

src/lib.rs

@@ -21,14 +21,14 @@
     unused_import_braces)]
 
 extern crate futures;
-extern crate tokio_core;
+extern crate tokio_io;
 extern crate tungstenite;
 extern crate url;
 
 use std::io::ErrorKind;
 
 use futures::{Poll, Future, Async, AsyncSink, Stream, Sink, StartSend};
-use tokio_core::io::Io;
+use tokio_io::{AsyncRead, AsyncWrite};
 
 use url::Url;
 
@@ -37,8 +37,7 @@ use tungstenite::handshake::server::ServerHandshake;
 use tungstenite::handshake::{HandshakeRole, HandshakeError};
 use tungstenite::protocol::{WebSocket, Message};
 use tungstenite::error::Error as WsError;
-use tungstenite::client;
-use tungstenite::server;
+use tungstenite::{client, server};
 
 /// Create a handshake provided stream and assuming the provided request.
 ///
@@ -50,7 +49,7 @@ use tungstenite::server;
 ///
 /// This is typically used for clients who have already established, for
 /// example, a TCP connection to the remove server.
-pub fn client_async<S: Io>(url: Url, stream: S) -> ConnectAsync<S> {
+pub fn client_async<S: AsyncRead + AsyncWrite>(url: Url, stream: S) -> ConnectAsync<S> {
     ConnectAsync {
         inner: MidHandshake {
             inner: Some(client::client(url, stream))
@@ -69,7 +68,7 @@ pub fn client_async<S: Io>(url: Url, stream: S) -> ConnectAsync<S> {
 /// This is typically used after a socket has been accepted from a
 /// `TcpListener`. That socket is then passed to this function to perform
 /// the server half of the accepting a client's websocket connection.
-pub fn accept_async<S: Io>(stream: S) -> AcceptAsync<S> {
+pub fn accept_async<S: AsyncRead + AsyncWrite>(stream: S) -> AcceptAsync<S> {
     AcceptAsync {
         inner: MidHandshake {
             inner: Some(server::accept(stream))
@@ -90,7 +89,7 @@ pub struct WebSocketStream<S> {
     inner: WebSocket<S>,
 }
 
-impl<T> Stream for WebSocketStream<T> where T: Io {
+impl<T> Stream for WebSocketStream<T> where T: AsyncRead + AsyncWrite {
     type Item = Message;
     type Error = WsError;
 
@@ -99,7 +98,7 @@ impl<T> Stream for WebSocketStream<T> where T: Io {
     }
 }
 
-impl<T> Sink for WebSocketStream<T> where T: Io {
+impl<T> Sink for WebSocketStream<T> where T: AsyncRead + AsyncWrite {
     type SinkItem = Message;
     type SinkError = WsError;
 
@@ -113,13 +112,13 @@ impl<T> Sink for WebSocketStream<T> where T: Io {
     }
 }
 
-/// Future returned from connect_async() which will resolve
+/// Future returned from client_async() which will resolve
 /// once the connection handshake has finished.
 pub struct ConnectAsync<S> {
     inner: MidHandshake<S, ClientHandshake>,
 }
 
-impl<S: Io> Future for ConnectAsync<S> {
+impl<S: AsyncRead + AsyncWrite> Future for ConnectAsync<S> {
     type Item = WebSocketStream<S>;
     type Error = WsError;
 
@@ -134,7 +133,7 @@ pub struct AcceptAsync<S> {
     inner: MidHandshake<S, ServerHandshake>,
 }
 
-impl<S: Io> Future for AcceptAsync<S> {
+impl<S: AsyncRead + AsyncWrite> Future for AcceptAsync<S> {
     type Item = WebSocketStream<S>;
     type Error = WsError;
 
@@ -147,7 +146,7 @@ struct MidHandshake<S, R> {
     inner: Option<Result<WebSocket<S>, HandshakeError<S, R>>>,
 }
 
-impl<S: Io, R: HandshakeRole> Future for MidHandshake<S, R> {
+impl<S: AsyncRead + AsyncWrite, R: HandshakeRole> Future for MidHandshake<S, R> {
     type Item = WebSocketStream<S>;
     type Error = WsError;
 
@@ -189,55 +188,3 @@ impl<T> ToAsync for Result<T, WsError> {
     }
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use url;
-
-    use std::io;
-
-    use futures::{Future, Stream};
-    use tokio_core::net::{TcpStream, TcpListener};
-    use tokio_core::reactor::Core;
-
-    #[test]
-    fn handshakes() {
-        use std::sync::mpsc::channel;
-        use std::thread;
-
-        let (tx, rx) = channel();
-
-        thread::spawn(move || {
-            let mut core = Core::new().unwrap();
-            let handle = core.handle();
-            let address = "0.0.0.0:12345".parse().unwrap();
-            let listener = TcpListener::bind(&address, &handle).unwrap();
-            let connections = listener.incoming();
-            tx.send(()).unwrap();
-            let handshakes = connections.and_then(|(connection, _)| {
-                accept_async(connection)
-                    .map_err(|e| io::Error::new(io::ErrorKind::Other, e))
-            });
-            let server = handshakes.for_each(|_| {
-                Ok(())
-            });
-
-            core.run(server).unwrap();
-        });
-
-        rx.recv().unwrap();
-        let mut core = Core::new().unwrap();
-        let handle = core.handle();
-        let address = "0.0.0.0:12345".parse().unwrap();
-        let tcp = TcpStream::connect(&address, &handle);
-        let handshake = tcp.and_then(|stream| {
-            let url = url::Url::parse("ws://localhost:12345/").unwrap();
-            client_async(url, stream)
-                .map_err(|e| io::Error::new(io::ErrorKind::Other, e))
-        });
-        let client = handshake.and_then(|_| {
-            Ok(())
-        });
-        core.run(client).unwrap();
-    }
-}

tests/handshakes.rs

@@ -0,0 +1,53 @@
+extern crate futures;
+extern crate tokio_core;
+extern crate tokio_tungstenite;
+extern crate url;
+
+use std::io;
+
+use futures::{Future, Stream};
+use tokio_core::net::{TcpStream, TcpListener};
+use tokio_core::reactor::Core;
+use tokio_tungstenite::{client_async, accept_async};
+
+#[test]
+fn handshakes() {
+    use std::sync::mpsc::channel;
+    use std::thread;
+
+    let (tx, rx) = channel();
+
+    thread::spawn(move || {
+        let mut core = Core::new().unwrap();
+        let handle = core.handle();
+        let address = "0.0.0.0:12345".parse().unwrap();
+        let listener = TcpListener::bind(&address, &handle).unwrap();
+        let connections = listener.incoming();
+        tx.send(()).unwrap();
+        let handshakes = connections.and_then(|(connection, _)| {
+            accept_async(connection)
+                .map_err(|e| io::Error::new(io::ErrorKind::Other, e))
+        });
+        let server = handshakes.for_each(|_| {
+            Ok(())
+        });
+
+        core.run(server).unwrap();
+    });
+
+    rx.recv().unwrap();
+    let mut core = Core::new().unwrap();
+    let handle = core.handle();
+    let address = "0.0.0.0:12345".parse().unwrap();
+    let tcp = TcpStream::connect(&address, &handle);
+    let handshake = tcp.and_then(|stream| {
+        let url = url::Url::parse("ws://localhost:12345/").unwrap();
+        client_async(url, stream)
+            .map_err(|e| io::Error::new(io::ErrorKind::Other, e))
+    });
+    let client = handshake.and_then(|_| {
+        Ok(())
+    });
+    core.run(client).unwrap();
+}
+