update examples/diesel readme

examples/diesel/Cargo.toml

@@ -5,8 +5,8 @@ authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
 
 [dependencies]
 env_logger = "0.4"
-actix = "^0.3.1"
-actix-web = { git = "https://github.com/actix/actix-web.git" }
+actix = "^0.3.5"
+actix-web = { git = "https://github.com/actix/actix-web", features=["signal"] }
 
 futures = "0.1"
 uuid = { version = "0.5", features = ["serde", "v4"] }

examples/diesel/README.md

@@ -4,17 +4,40 @@ Diesel's `Getting Started` guide using SQLite for Actix web
 
 ## Usage
 
-install `diesel_cli`
+### init database sqlite
 
 ```bash
 cargo install diesel_cli --no-default-features --features sqlite
-```
-
-```bash
+cd actix-web/examples/diesel
 echo "DATABASE_URL=file:test.db" > .env
 diesel migration run
 ```
 
+### server
+
+```bash
+# if ubuntu : sudo apt-get install libsqlite3-dev
+# if fedora : sudo dnf install libsqlite3x-devel
+cd actix-web/examples/diesel
+cargo run (or ``cargo watch -x run``)
+# Started http server: 127.0.0.1:8080
+```
+
+### web client
+
+[http://127.0.0.1:8080/NAME](http://127.0.0.1:8080/NAME)
+
+### sqlite client
+
+```bash
+# if ubuntu : sudo apt-get install sqlite3
+# if fedora : sudo dnf install sqlite3x
+sqlite3 test.db
+sqlite> .tables
+sqlite> select * from users;
+```
+
+
 ## Postgresql
 
 You will also find another complete example of diesel+postgresql on      [https://github.com/TechEmpower/FrameworkBenchmarks/tree/master/frameworks/Rust/actix](https://github.com/TechEmpower/FrameworkBenchmarks/tree/master/frameworks/Rust/actix)

examples/diesel/src/main.rs

@@ -16,8 +16,11 @@ extern crate actix;
 extern crate actix_web;
 extern crate env_logger;
 
+use actix::*;
 use actix_web::*;
 use actix::prelude::*;
+#[cfg(target_os = "linux")] use actix::actors::signal::{ProcessSignals, Subscribe};
+
 use diesel::prelude::*;
 use futures::future::Future;
 
@@ -59,7 +62,7 @@ fn main() {
     });
 
     // Start http server
-    HttpServer::new(move || {
+    let _addr = HttpServer::new(move || {
         Application::with_state(State{db: addr.clone()})
             // enable logger
             .middleware(middleware::Logger::default())
@@ -67,6 +70,11 @@ fn main() {
         .bind("127.0.0.1:8080").unwrap()
         .start();
 
+    if cfg!(target_os = "linux") { // Subscribe to unix signals
+        let signals = Arbiter::system_registry().get::<ProcessSignals>();
+        signals.send(Subscribe(_addr.subscriber()));
+    }
+
     println!("Started http server: 127.0.0.1:8080");
     let _ = sys.run();
 }