chore(bindings): move tokio examples to dedicated folder

bindings/rust-examples/Cargo.toml

@@ -1,6 +1,6 @@
 [workspace]
 members = [
-    "client-hello-config-resolution",
+    "client-hello-config-resolution", "tokio-server-client",
 ]
 resolver = "2"
 

bindings/rust-examples/client-hello-config-resolution/src/bin/client.rs

@@ -22,7 +22,8 @@ struct Cli {
 async fn main() -> Result<(), Box<dyn Error>> {
     let args = Cli::parse();
     let mut config = s2n_tls::config::Config::builder();
-    let ca: Vec<u8> = std::fs::read(env!("CARGO_MANIFEST_DIR").to_owned() + "/certs/ca-cert.pem")?;
+    let ca: Vec<u8> =
+        std::fs::read(env!("CARGO_MANIFEST_DIR").to_owned() + "/../certs/ca-cert.pem")?;
     config.set_security_policy(&DEFAULT_TLS13)?;
     config.trust_pem(&ca)?;
 

bindings/rust-examples/client-hello-config-resolution/src/bin/server.rs

@@ -72,8 +72,12 @@ impl ClientHelloCallback for AnimalConfigResolver {
 }
 
 fn server_config(animal: &str) -> s2n_tls::config::Config {
-    let cert_path = format!("{}/certs/{}-chain.pem", env!("CARGO_MANIFEST_DIR"), animal);
-    let key_path = format!("{}/certs/{}-key.pem", env!("CARGO_MANIFEST_DIR"), animal);
+    let cert_path = format!(
+        "{}/../certs/{}-chain.pem",
+        env!("CARGO_MANIFEST_DIR"),
+        animal
+    );
+    let key_path = format!("{}/../certs/{}-key.pem", env!("CARGO_MANIFEST_DIR"), animal);
     let cert = std::fs::read(cert_path).unwrap();
     let key = std::fs::read(key_path).unwrap();
     let mut config = s2n_tls::config::Builder::new();

bindings/rust-examples/tokio-server-client/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "tokio-server-client"
+version.workspace = true
+authors.workspace = true
+publish.workspace = true
+license.workspace = true
+edition.workspace = true
+
+[dependencies]
+s2n-tls = { path = "../../rust/s2n-tls" }
+s2n-tls-tokio = { path = "../../rust/s2n-tls-tokio" }
+tokio = { version = "1", features = ["full"] }
+clap = { version = "4", features = ["derive"] }

bindings/rust/s2n-tls-tokio/examples/client.rs → bindings/rust-examples/tokio-server-client/src/bin/client.rs

@@ -7,12 +7,12 @@ use s2n_tls_tokio::TlsConnector;
 use std::{error::Error, fs};
 use tokio::{io::AsyncWriteExt, net::TcpStream};
 
-/// NOTE: this certificate is to be used for demonstration purposes only!
-const DEFAULT_CERT: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../certs/cert.pem");
+/// NOTE: this ca is to be used for demonstration purposes only!
+const DEFAULT_CA: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../certs/ca-cert.pem");
 
 #[derive(Parser, Debug)]
 struct Args {
-    #[clap(short, long, default_value_t = String::from(DEFAULT_CERT))]
+    #[clap(short, long, default_value_t = String::from(DEFAULT_CA))]
     trust: String,
     addr: String,
 }
@@ -29,7 +29,7 @@ async fn run_client(trust_pem: &[u8], addr: &str) -> Result<(), Box<dyn Error>>
 
     // Connect to the server.
     let stream = TcpStream::connect(addr).await?;
-    let tls = client.connect("localhost", stream).await?;
+    let tls = client.connect("www.kangaroo.com", stream).await?;
     println!("{:#?}", tls);
 
     // Split the stream.

bindings/rust/s2n-tls-tokio/examples/server.rs → bindings/rust-examples/tokio-server-client/src/bin/server.rs

@@ -8,8 +8,8 @@ use std::{error::Error, fs};
 use tokio::{io::AsyncWriteExt, net::TcpListener};
 
 /// NOTE: this certificate and key are to be used for demonstration purposes only!
-const DEFAULT_CERT: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../certs/cert.pem");
-const DEFAULT_KEY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../certs/key.pem");
+const DEFAULT_CERT: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../certs/kangaroo-chain.pem");
+const DEFAULT_KEY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../certs/kangaroo-key.pem");
 
 #[derive(Parser, Debug)]
 struct Args {

bindings/rust/s2n-tls-tokio/Cargo.toml

@@ -20,7 +20,6 @@ tokio = { version = "1", features = ["net", "time"] }
 
 [dev-dependencies]
 s2n-tls = { path = "../s2n-tls", features = ["unstable-testing"] }
-clap = { version = "3", features = ["derive"] }
 rand = { version = "0.8" }
 tokio = { version = "1", features = [ "io-std", "io-util", "macros", "net", "rt-multi-thread", "test-util", "time"] }
 tokio-macros = "=2.3.0"