krata: rework into daemon / controller structure

daemon/src/handlers/destroy.rs

@@ -0,0 +1,44 @@
+use anyhow::{anyhow, Result};
+use krata::{
+    control::{DestroyResponse, Request, Response},
+    stream::ConnectionStreams,
+};
+
+use crate::{listen::DaemonRequestHandler, runtime::Runtime};
+
+pub struct DestroyRequestHandler {}
+
+impl Default for DestroyRequestHandler {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl DestroyRequestHandler {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+#[async_trait::async_trait]
+impl DaemonRequestHandler for DestroyRequestHandler {
+    fn accepts(&self, request: &Request) -> bool {
+        matches!(request, Request::Destroy(_))
+    }
+
+    async fn handle(
+        &self,
+        _: ConnectionStreams,
+        runtime: Runtime,
+        request: Request,
+    ) -> Result<Response> {
+        let destroy = match request {
+            Request::Destroy(destroy) => destroy,
+            _ => return Err(anyhow!("unknown request")),
+        };
+        let guest = runtime.destroy(&destroy.guest).await?;
+        Ok(Response::Destroy(DestroyResponse {
+            guest: guest.to_string(),
+        }))
+    }
+}