From: Martin Pitt <martin@piware.de>
Date: Tue, 1 Nov 2022 15:30:53 +0000 (+0100)
Subject: warp-server: Add User-Agent header filter
X-Git-Url: https://piware.de/gitweb/?a=commitdiff_plain;h=b2728f732e28cdd993c35870bf8cd5369f43a801;p=learn-rust.git

warp-server: Add User-Agent header filter
---

diff --git a/warp-server/src/main.rs b/warp-server/src/main.rs
index 70b3cc3..a89c7a6 100644
--- a/warp-server/src/main.rs
+++ b/warp-server/src/main.rs
@@ -4,7 +4,8 @@ use warp::Filter;
 async fn main() {
     // GET /hello/warp => 200 OK with body "Hello, warp!"
     let hello = warp::path!("hello" / String)
-        .map(|name| format!("Hello, {}!", name));
+        .and(warp::header::<String>("user-agent"))
+        .map(|name, agent| format!("Hello, {} from {}!", name, agent));
 
     warp::serve(hello)
         .run(([127, 0, 0, 1], 3030))