started actix-web rust project for api

1 files changed, 27 insertions, 2 deletions

diff --git a/dichroism/src/main.rs b/dichroism/src/main.rs
index e7a11a9..e4bb217 100644
--- a/dichroism/src/main.rs
+++ b/dichroism/src/main.rs
@@ -1,3 +1,28 @@
-fn main() {
-    println!("Hello, world!");
+use actix_web::{web, App, HttpRequest, HttpServer, Responder};
+use listenfd::ListenFd;
+
+async fn greet(req: HttpRequest) -> impl Responder {
+    let name = req.match_info().get("name").unwrap_or("World");
+    format!("Hello {}!", &name)
+}
+
+async fn index(_: HttpRequest) -> impl Responder {
+    "Hello, this is an API. If you're looking for the web app, try port 443.".to_string()
+}
+
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
+    let mut listenfd = ListenFd::from_env();
+    let mut server = HttpServer::new(|| {
+        App::new()
+            .route("/", web::get().to(index))
+            .route("/{name}", web::get().to(greet))
+    });
+
+    server = if let Some(l) = listenfd.take_tcp_listener(0).unwrap() {
+        server.listen(l)?
+    } else {
+        server.bind("127.0.0.1:8000")?
+    };
+    server.run().await
 }