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Use .listener() in the axum example #56

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Mar 12, 2025
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Use .listener() in the axum example #56

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14 changes: 4 additions & 10 deletions examples/axum.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,19 +20,13 @@ async fn main() {

let local_addr = "0.0.0.0:3000".parse::<SocketAddr>().unwrap();
let tcp_listener = tokio::net::TcpListener::bind(local_addr).await.unwrap();
let listener = Listener {
inner: TlsListener::new(tls_acceptor(), tcp_listener),
local_addr,
};
let listener = Listener(TlsListener::new(tls_acceptor(), tcp_listener));

axum::serve(listener, app).await.unwrap();
}

// We use a wrapper type to bridge axum's `Listener` trait to our `TlsListener` type.
struct Listener {
inner: TlsListener<TcpListener, tls_config::Acceptor>,
local_addr: SocketAddr,
}
struct Listener(TlsListener<TcpListener, tls_config::Acceptor>);

impl axum::serve::Listener for Listener {
type Io = tls_config::Stream<TcpStream>;
Expand All @@ -41,7 +35,7 @@ impl axum::serve::Listener for Listener {
loop {
// To change the TLS certificate dynamically, you could `select!` on this call with a
// channel receiver, and call `self.inner.replace_acceptor` in the other branch.
match self.inner.accept().await {
match self.0.accept().await {
Ok(tuple) => break tuple,
Err(tls_listener::Error::ListenerError(e)) if !is_connection_error(&e) => {
// See https://github.com/tokio-rs/axum/blob/da3539cb0e5eed381361b2e688a776da77c52cd6/axum/src/serve/listener.rs#L145-L157
Expand All @@ -53,7 +47,7 @@ impl axum::serve::Listener for Listener {
}
}
fn local_addr(&self) -> io::Result<Self::Addr> {
Ok(self.local_addr)
self.0.listener().local_addr()
}
}

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