Fix hello_world_publisher example to not send before receiver matches…

… us.
Atostek · Aug 1, 2024 · 2b2f10e · 2b2f10e
1 parent 5c7bcc2
commit 2b2f10e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/examples/hello_world_publisher/main.rs b/examples/hello_world_publisher/main.rs
@@ -83,6 +83,10 @@ fn main() {
             // If we get a matching subscription, trigger the send
             DataWriterStatus::PublicationMatched{..} => {
               println!("Matched with hello subscriber");
+              // Wait for a while so that subscriber also recognizes us.
+              // There is no two- or three-way handshake in pub/sub matching,
+              // so we cannot know if the other side is immediately ready.
+              Timer::after(Duration::from_secs(1)).await;
               write_trigger_sender.send(()).await.unwrap();
             }
             _ =>