move redis to own module

actix-redis/examples/basic.rs

@@ -0,0 +1,37 @@
+use actix_redis::RedisSession;
+use actix_session::Session;
+use actix_web::{middleware, web, App, Error, HttpRequest, HttpServer, Responder};
+
+/// simple handler
+async fn index(req: HttpRequest, session: Session) -> Result<impl Responder, Error> {
+    println!("{:?}", req);
+
+    // session
+    if let Some(count) = session.get::<i32>("counter")? {
+        println!("SESSION value: {}", count);
+        session.set("counter", count + 1)?;
+    } else {
+        session.set("counter", 1)?;
+    }
+
+    Ok("Welcome!")
+}
+
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
+    std::env::set_var("RUST_LOG", "actix_web=info,actix_redis=info");
+    env_logger::init();
+
+    HttpServer::new(|| {
+        App::new()
+            // enable logger
+            .wrap(middleware::Logger::default())
+            // cookie session middleware
+            .wrap(RedisSession::new("127.0.0.1:6379", &[0; 32]))
+            // register simple route, handle all methods
+            .service(web::resource("/").to(index))
+    })
+    .bind("0.0.0.0:8080")?
+    .run()
+    .await
+}