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Merge pull request #42 from ami44/master

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upd examples basics
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Nikolay Kim 2018-01-07 08:30:42 -08:00 committed by GitHub
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4
examples/basics/README.md
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@ -1,11 +1,11 @@
# basic # basics
## Usage ## Usage
### server ### server
```bash ```bash
cd actix-web/examples/basic cd actix-web/examples/basics
cargo run cargo run
# Started http server: 127.0.0.1:8080 # Started http server: 127.0.0.1:8080
``` ```

59
examples/basics/src/main.rs
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@ -11,10 +11,16 @@ use actix_web::*;
use actix_web::middleware::RequestSession; use actix_web::middleware::RequestSession;
use futures::future::{FutureResult, result}; use futures::future::{FutureResult, result};
/// favicon handler
fn favicon(req: HttpRequest) -> Result<fs::NamedFile> {
Ok(fs::NamedFile::open("../static/favicon.ico")?)
}
/// simple handler /// simple index handler
fn index(mut req: HttpRequest) -> Result<HttpResponse> { fn index(mut req: HttpRequest) -> Result<HttpResponse> {
println!("{:?}", req); println!("{:?}", req);
// example of ...
if let Ok(ch) = req.payload_mut().readany().poll() { if let Ok(ch) = req.payload_mut().readany().poll() {
if let futures::Async::Ready(Some(d)) = ch { if let futures::Async::Ready(Some(d)) = ch {
println!("{}", String::from_utf8_lossy(d.as_ref())); println!("{}", String::from_utf8_lossy(d.as_ref()));
@ -22,16 +28,48 @@ fn index(mut req: HttpRequest) -> Result<HttpResponse> {
} }
// session // session
let mut counter = 1;
if let Some(count) = req.session().get::<i32>("counter")? { if let Some(count) = req.session().get::<i32>("counter")? {
println!("SESSION value: {}", count); println!("SESSION value: {}", count);
req.session().set("counter", count+1)?; counter = count + 1;
req.session().set("counter", counter)?;
} else { } else {
req.session().set("counter", 1)?; req.session().set("counter", counter)?;
} }
Ok("Welcome!".into()) // html
let html = format!(r#"<!DOCTYPE html><html><head><title>actix - basics</title><link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" /></head>
<body>
<h1>Welcome <img width="30px" height="30px" src="/static/actixLogo.png" /></h1>
session counter = {}
</body>
</html>"#, counter);
// response
Ok(HttpResponse::build(StatusCode::OK)
.content_type("text/html; charset=utf-8")
.body(&html).unwrap())
} }
/// 404 handler
fn p404(req: HttpRequest) -> Result<HttpResponse> {
// html
let html = format!(r#"<!DOCTYPE html><html><head><title>actix - basics</title><link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" /></head>
<body>
<a href="index.html">back to home</a>
<h1>404</h1>
</body>
</html>"#);
// response
Ok(HttpResponse::build(StatusCode::NOT_FOUND)
.content_type("text/html; charset=utf-8")
.body(&html).unwrap())
}
/// async handler /// async handler
fn index_async(req: HttpRequest) -> FutureResult<HttpResponse, Error> fn index_async(req: HttpRequest) -> FutureResult<HttpResponse, Error>
{ {
@ -68,6 +106,8 @@ fn main() {
.secure(false) .secure(false)
.finish() .finish()
)) ))
// register favicon
.resource("/favicon.ico", |r| r.f(favicon))
// register simple route, handle all methods // register simple route, handle all methods
.resource("/index.html", |r| r.f(index)) .resource("/index.html", |r| r.f(index))
// with path parameters // with path parameters
@ -90,8 +130,15 @@ fn main() {
HttpResponse::Found() HttpResponse::Found()
.header("LOCATION", "/index.html") .header("LOCATION", "/index.html")
.finish() .finish()
}))) }))
.bind("0.0.0.0:8080").unwrap() // default
.default_resource(|r| {
r.method(Method::GET).f(p404);
r.route().p(pred::Not(pred::Get())).f(|req| httpcodes::HTTPMethodNotAllowed);
}))
.bind("127.0.0.1:8080").expect("Can not bind to 127.0.0.1:8080")
.shutdown_timeout(0) // <- Set shutdown timeout to 0 seconds (default 60s)
.start(); .start();
println!("Starting http server: 127.0.0.1:8080"); println!("Starting http server: 127.0.0.1:8080");

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