add umbrella crate

http/src/server/mod.rs

@@ -1,10 +1,13 @@
-use eva::perfect_derive;
+use eva::{perfect_derive, supervisor::SlaveRx};
 
+use eyre::Context;
 use viendesu_core::{
     errors::AuxResult,
     service::{Service, SessionMaker, SessionOf},
 };
 
+use tokio::net;
+
 pub mod config;
 
 mod context;
@@ -18,6 +21,31 @@ pub trait Types: Send + Sync + 'static {
     type Service: Service + Clone;
 }
 
+pub async fn serve(
+    rx: SlaveRx,
+    config: config::Config,
+    router: axum::Router,
+) -> eyre::Result<()> {
+    // TODO: use it.
+    _ = rx;
+    let config::Config { unencrypted, ssl: _ } = config;
+    let unencrypted = unencrypted.expect("SSL-only currently is not supported");
+
+    if !unencrypted.enable {
+        return Ok(());
+    }
+
+    let listener = net::TcpListener::bind(unencrypted.listen)
+        .await
+        .wrap_err("failed to bind address")?;
+
+    axum::serve(listener, router)
+        .await
+        .wrap_err("failed to serve")?;
+
+    Ok(())
+}
+
 pub fn make_router<T: Types>(service: T::Service) -> axum::Router {
     let scope = handler::RouterScope::root(State::<T> { service });
     routes::make(scope).into_axum()