krata: rework into daemon / controller structure

daemon/bin/daemon.rs

@@ -0,0 +1,27 @@
+use anyhow::{anyhow, Result};
+use clap::Parser;
+use env_logger::Env;
+use kratad::{runtime::Runtime, Daemon};
+use tokio_listener::ListenerAddressLFlag;
+
+#[derive(Parser)]
+struct Args {
+    #[clap(flatten)]
+    listener: ListenerAddressLFlag,
+    #[arg(short, long, default_value = "/var/lib/krata")]
+    store: String,
+}
+
+#[tokio::main(flavor = "multi_thread", worker_threads = 10)]
+async fn main() -> Result<()> {
+    env_logger::Builder::from_env(Env::default().default_filter_or("warn")).init();
+
+    let args = Args::parse();
+    let Some(listener) = args.listener.bind().await else {
+        return Err(anyhow!("no listener specified"));
+    };
+    let runtime = Runtime::new(args.store.clone()).await?;
+    let mut daemon = Daemon::new(runtime).await?;
+    daemon.listen(listener?).await?;
+    Ok(())
+}