From 10f5ae40dfbe02112efe9c4ea5f740e0883a010c Mon Sep 17 00:00:00 2001
From: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
Date: Sat, 16 Dec 2023 22:14:11 +0100
Subject: [PATCH] extend example to an echo server

These changes test the `sendto` support of the kernel.
---
 examples/testudp/src/main.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/examples/testudp/src/main.rs b/examples/testudp/src/main.rs
index 457f203d4..ef7509cac 100644
--- a/examples/testudp/src/main.rs
+++ b/examples/testudp/src/main.rs
@@ -29,6 +29,11 @@ fn main() {
 					}
 				}
 
+				// send message back
+				socket
+					.send_to(msg.as_bytes(), addr)
+					.expect("Unable to send message back");
+
 				if msg.starts_with("exit") {
 					break;
 				}