Add fallback route

src/main.rs

@@ -1,7 +1,12 @@
 use std::{net::SocketAddr, process::exit, sync::Arc};
 
 use anyhow::Result;
-use axum::{routing::get, Router, Server};
+use axum::{
+    http::{self, StatusCode},
+    response,
+    routing::get,
+    Router, Server,
+};
 use log::{error, info};
 use tokio::sync::Mutex;
 
@@ -32,7 +37,7 @@ async fn main() -> Result<()> {
 
     // Define routes
     let message_routes = Router::new().route("/sms.aspx", get(get_sms_aspx));
-    let app = Router::new().merge(message_routes);
+    let app = Router::new().merge(message_routes).fallback(fallback);
 
     info!("Server starting");
     let addr: SocketAddr = match format!("0.0.0.0:{port:?}").parse() {
@@ -59,9 +64,16 @@ async fn main() -> Result<()> {
     Ok(())
 }
 
+///Handle server shutdown signal
 async fn shutdown_signal() {
     tokio::signal::ctrl_c()
         .await
         .expect("Expect shutdown signal handler");
     info!("Got signal shutdown");
+}
+
+/// Response all fallback route with not found
+pub async fn fallback(uri: http::Uri) -> impl response::IntoResponse {
+    info!("Route {} not found", uri);
+    (http::StatusCode::NOT_FOUND, "Not found")
 }