use async-std and tokio i guess

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## 0.4.0
 
-Tokio has been purged. This crate now uses async-std.
+Tokio has been somewhat purged.
 
 ## 0.3.0
 

Cargo.toml

@@ -15,8 +15,10 @@ num = "0.2"
 num-derive = "0.3"
 num-traits = "0.2"
 rustls = { version = "0.18", optional = true, features = ["dangerous_configuration"] }
+tokio-rustls = { version = "0.14", features = ["dangerous_configuration"], optional = true }
 webpki = { version = "0.21.0", optional = true }
 webpki-roots = { version = "0.20", optional = true }
+tokio = { version = "0.2", features = ["full"], optional = true }
 async-tls = { version = "0.9.0", default-features = false, optional = true }
 async-std = { version = "1.6", optional = true }
 log = "0.4"
@@ -32,9 +34,10 @@ pretty_env_logger = "0.4"
 default = ["client", "server"]
 
 client = [
-  "rustls",
+  "tokio-rustls",
   "webpki",
   "webpki-roots",
+  "tokio",
   "async-std",
   "async-tls/client"
 ]

src/client.rs

@@ -1,8 +1,13 @@
 use crate::Response;
-use async_std::{io::prelude::*, net::TcpStream};
-use async_tls::TlsConnector;
-use rustls::TLSError;
 use std::{io::Cursor, sync::Arc};
+use tokio::{
+    io::{AsyncReadExt, AsyncWriteExt},
+    net::TcpStream,
+};
+use tokio_rustls::{
+    rustls::{TLSError},
+    TlsConnector,
+};
 use url::Url;
 
 #[derive(thiserror::Error, Debug)]
@@ -26,7 +31,7 @@ pub enum Error {
     InvalidScheme(String),
 }
 
-pub async fn get<T>(u: T, cfg: rustls::ClientConfig) -> Result<crate::Response, Error>
+pub async fn get<T>(u: T, cfg: tokio_rustls::rustls::ClientConfig) -> Result<crate::Response, Error>
 where
     T: Into<String>,
 {
@@ -42,10 +47,11 @@ where
 
     let cfg = Arc::new(cfg);
     let host = ur.host_str().unwrap();
+    let name_ref = webpki::DNSNameRef::try_from_ascii_str(host)?;
     let config = TlsConnector::from(cfg);
 
     let sock = TcpStream::connect(&format!("{}:{}", host, ur.port().unwrap())).await?;
-    let mut tls = config.connect(host, sock).await?;
+    let mut tls = config.connect(name_ref, sock).await?;
 
     let req = format!("{}\r\n", u);
     log::trace!("writing request {:?}", req);
@@ -57,6 +63,8 @@ where
 
 #[cfg(test)]
 mod tests {
+    use tokio_rustls::rustls;
+
     fn config() -> rustls::ClientConfig {
         let mut config = rustls::ClientConfig::new();
         config