Upgrade to tokio 1.0

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
     - uses: actions-rs/toolchain@v1
       with:
           profile: minimal
-          toolchain: nightly
+          toolchain: stable
           override: true
           components: rustfmt
 

Cargo.toml

@@ -18,7 +18,7 @@ categories = ["asynchronous", "cryptography", "network-programming"]
 native-tls = "0.2.3"
 thiserror = "1.0.9"
 futures-util = { version = "0.3.1", features = ["io"], optional = true }
-tokio = { version = "0.2.9", default-features = false, features = ["io-util"], optional = true }
+tokio = { version = "1.0", default-features = false, features = ["io-util"], optional = true }
 url = "2.1.1"
 
 [features]
@@ -33,7 +33,7 @@ runtime-tokio = ["tokio"]
 [dev-dependencies]
 env_logger = "0.7.1"
 async-std = { version = "1.6.0", features = ["attributes"] }
-tokio = { version = "0.2.9", features = ["full"] }
+tokio = { version = "1.0", features = ["full"] }
 cfg-if = "0.1.10"
 futures = "0.3.1"
 

src/std_adapter.rs

@@ -31,6 +31,7 @@ where
     }
 }
 
+#[cfg(feature = "runtime-async-std")]
 impl<S> Read for StdAdapter<S>
 where
     S: AsyncRead + Unpin,
@@ -43,6 +44,20 @@ where
     }
 }
 
+#[cfg(feature = "runtime-tokio")]
+impl<S> Read for StdAdapter<S>
+where
+    S: AsyncRead + Unpin,
+{
+    fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
+        let mut buf = tokio::io::ReadBuf::new(buf);
+        match self.with_context(|ctx, stream| stream.poll_read(ctx, &mut buf)) {
+            Poll::Ready(r) => r.map(|_| buf.filled().len()),
+            Poll::Pending => Err(io::Error::from(io::ErrorKind::WouldBlock)),
+        }
+    }
+}
+
 impl<S> Write for StdAdapter<S>
 where
     S: AsyncWrite + Unpin,

src/tls_stream.rs

@@ -74,6 +74,7 @@ impl<S> TlsStream<S> {
     }
 }
 
+#[cfg(feature = "runtime-async-std")]
 impl<S> AsyncRead for TlsStream<S>
 where
     S: AsyncRead + AsyncWrite + Unpin,
@@ -87,6 +88,27 @@ where
     }
 }
 
+#[cfg(feature = "runtime-tokio")]
+impl<S> AsyncRead for TlsStream<S>
+where
+    S: AsyncRead + AsyncWrite + Unpin,
+{
+    fn poll_read(
+        mut self: Pin<&mut Self>,
+        ctx: &mut Context<'_>,
+        buf: &mut tokio::io::ReadBuf<'_>,
+    ) -> Poll<io::Result<()>> {
+        match self.with_context(ctx, |s| cvt(s.read(buf.initialize_unfilled()))) {
+            Poll::Ready(Ok(len)) => {
+                buf.advance(len);
+                Poll::Ready(Ok(()))
+            }
+            Poll::Ready(Err(err)) => Poll::Ready(Err(err)),
+            Poll::Pending => Poll::Pending,
+        }
+    }
+}
+
 impl<S> AsyncWrite for TlsStream<S>
 where
     S: AsyncRead + AsyncWrite + Unpin,