Updated app examples

examples/application/src/main.rs

@@ -1,15 +1,40 @@
+#![allow(unused)]
 extern crate actix_web;
-use actix_web::{App, Responder, HttpRequest, http::Method};
+use actix_web::{App, Responder, HttpRequest, HttpResponse, server, http::Method};
 
-// <setup>
+mod state;
+
+fn make_app() {
+// <make_app>
 fn index(req: HttpRequest) -> impl Responder {
     "Hello world!"
 }
 
-fn main() {
-    let app = App::new()
-        .prefix("/app")
-        .resource("/index.html", |r| r.method(Method::GET).f(index))
-        .finish();
+let app = App::new()
+    .prefix("/app")
+    .resource("/index.html", |r| r.method(Method::GET).f(index))
+    .finish()
+// </make_app>
+;
+}
+
+fn run_server() {
+// <run_server>
+let server = server::new(|| vec![
+    App::new()
+        .prefix("/app1")
+        .resource("/", |r| r.f(|r| HttpResponse::Ok())),
+    App::new()
+        .prefix("/app2")
+        .resource("/", |r| r.f(|r| HttpResponse::Ok())),
+    App::new()
+        .resource("/", |r| r.f(|r| HttpResponse::Ok())),
+]);
+// </run_server>
+}
+
+fn main() {
+    make_app();
+    run_server();
+    state::test();
 }
-// </setup>

examples/application/src/state.rs

@@ -0,0 +1,62 @@
+// <setup>
+use std::cell::Cell;
+use actix_web::{App, HttpRequest, http};
+
+// This struct represents state
+struct AppState {
+    counter: Cell<usize>,
+}
+
+fn index(req: HttpRequest<AppState>) -> String {
+    let count = req.state().counter.get() + 1; // <- get count
+    req.state().counter.set(count);            // <- store new count in state
+
+    format!("Request number: {}", count)       // <- response with count
+}
+// </setup>
+
+fn make_app() {
+
+// <make_app>
+App::with_state(AppState { counter: Cell::new(0) })
+    .resource("/", |r| r.method(http::Method::GET).f(index))
+    .finish()
+// </make_app>
+;
+
+}
+
+
+use std::thread;
+use actix_web::{server, HttpResponse};
+
+fn combine() {
+thread::spawn(|| {
+// <combine>
+struct State1;
+struct State2;
+
+fn main() {
+    server::new(|| {
+        vec![
+            App::with_state(State1)
+                 .prefix("/app1")
+                 .resource("/", |r| r.f(|r| HttpResponse::Ok()))
+                 .boxed(),
+            App::with_state(State2)
+                 .prefix("/app2")
+                 .resource("/", |r| r.f(|r| HttpResponse::Ok()))
+                 .boxed()
+        ]
+    })
+        .bind("127.0.0.1:8080").unwrap()
+        .run()
+}
+// </combine>
+});
+}
+
+pub fn test() {
+    make_app();
+    combine();
+}