feat(server): add local ShutdownEvent

src/messages/events/local/mod.rs

@@ -1,18 +1,22 @@
 pub mod error;
+pub mod shutdown;
 
 pub use error::ErrorEvent;
+pub use shutdown::ShutdownEvent;
 
 use super::event::{EventContext, OnEvent};
 
 #[derive(Debug)]
 pub enum LocalEvent {
     Error(ErrorEvent),
+    Shutdown(ShutdownEvent),
 }
 
 impl OnEvent for LocalEvent {
     fn on_event(self, ctx: &mut EventContext) -> crate::Result<()> {
         match self {
             Self::Error(e) => e.on_event(ctx),
+            Self::Shutdown(e) => e.on_event(ctx),
         }
     }
 }

src/messages/events/local/shutdown.rs

@@ -0,0 +1,12 @@
+use crate::messages::events::event::{EventContext, OnEvent};
+
+#[derive(Debug, Default)]
+pub struct ShutdownEvent;
+
+impl OnEvent for ShutdownEvent {
+    fn on_event(self, ctx: &mut EventContext) -> crate::Result<()> {
+        ctx.cord.shutdown();
+
+        Ok(())
+    }
+}