teliod: Add isAlive command for runtime query

clis/teliod/src/command_listener.rs

@@ -88,6 +88,7 @@ impl CommandListener {
                         TeliodError::CommandFailed(ClientCmd::QuitDaemon)
                     })
             }
+            ClientCmd::IsAlive => Ok(CommandResponse::Ok),
         }
     }
 

clis/teliod/src/main.rs

@@ -37,6 +37,8 @@ const TIMEOUT_SEC: u64 = 1;
 enum ClientCmd {
     #[clap(about = "Retrieve the status report")]
     GetStatus,
+    #[clap(about = "Query if daemon is running")]
+    IsAlive,
     #[clap(about = "Stop daemon execution")]
     QuitDaemon,
 }

clis/teliod/src/qnap.rs

@@ -90,7 +90,7 @@ pub(crate) fn handle_request(request: Request) -> Response {
 }
 
 fn is_teliod_running() -> bool {
-    matches!(teliod_blocking_query!(ClientCmd::GetStatus), Ok(Ok(_)))
+    matches!(teliod_blocking_query!(ClientCmd::IsAlive), Ok(Ok(_)))
 }
 
 fn shutdown_teliod() -> Result<(), TeliodError> {