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http server accepts factory of HttpHandlers

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This commit is contained in:
Nikolay Kim 2017-12-12 07:40:36 -08:00
parent b9da09ddf0
commit e9aa67b75d
9 changed files with 34 additions and 31 deletions
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2
examples/basic.rs
View file

@ -57,7 +57,7 @@ fn main() {
let sys = actix::System::new("ws-example");
HttpServer::new(
Application::new()
|| Application::new()
// enable logger
.middleware(middlewares::Logger::default())
// cookie session middleware

3
examples/state.rs
View file

@ -54,13 +54,14 @@ impl Handler<ws::Message> for MyWebSocket {
}
}
fn main() {
::std::env::set_var("RUST_LOG", "actix_web=info");
let _ = env_logger::init();
let sys = actix::System::new("ws-example");
HttpServer::new(
Application::with_state(AppState{counter: Cell::new(0)})
|| Application::with_state(AppState{counter: Cell::new(0)})
// enable logger
.middleware(middlewares::Logger::default())
// websocket route

2
examples/websocket.rs
View file

@ -61,7 +61,7 @@ fn main() {
let sys = actix::System::new("ws-example");
HttpServer::new(
Application::new()
|| Application::new()
// enable logger
.middleware(middlewares::Logger::default())
// websocket route

6
guide/src/qs_2.md
View file

@ -55,10 +55,10 @@ request handler with the application's `resource` on a particular *HTTP method*
```
After that, application instance can be used with `HttpServer` to listen for incoming
connections:
connections. Server accepts function that should return `HttpHandler` instance:
```rust,ignore
HttpServer::new(app).serve::<_, ()>("127.0.0.1:8088");
HttpServer::new(|| app).serve::<_, ()>("127.0.0.1:8088");
```
That's it. Now, compile and run the program with cargo run.
@ -79,7 +79,7 @@ fn main() {
let sys = actix::System::new("example");
HttpServer::new(
Application::new()
|| Application::new()
.resource("/", |r| r.f(index)))
.serve::<_, ()>("127.0.0.1:8088").unwrap();

2
guide/src/qs_3.md
View file

@ -42,7 +42,7 @@ Multiple applications could be served with one server:
use actix_web::*;
fn main() {
HttpServer::<TcpStream, SocketAddr, _>::new(vec![
HttpServer::<TcpStream, SocketAddr, _>::new(|| vec![
Application::new()
.prefix("/app1")
.resource("/", |r| r.f(|r| httpcodes::HTTPOk)),

2
guide/src/qs_4.md
View file

@ -81,7 +81,7 @@ fn main() {
let sys = actix::System::new("example");
HttpServer::new(
Application::new()
|| Application::new()
.resource("/", |r| r.method(Method::GET).f(index)))
.serve::<_, ()>("127.0.0.1:8088").unwrap();

22
src/application.rs
View file

@ -19,7 +19,7 @@ pub struct HttpApplication<S> {
middlewares: Rc<Vec<Box<Middleware<S>>>>,
}
impl<S: 'static> HttpApplication<S> {
impl<S: Send + 'static> HttpApplication<S> {
pub(crate) fn prepare_request(&self, req: HttpRequest) -> HttpRequest<S> {
req.with_state(Rc::clone(&self.state), self.router.clone())
@ -34,7 +34,7 @@ impl<S: 'static> HttpApplication<S> {
}
}
impl<S: 'static> HttpHandler for HttpApplication<S> {
impl<S: Send + 'static> HttpHandler for HttpApplication<S> {
fn handle(&self, req: HttpRequest) -> Result<Box<HttpHandlerTask>, HttpRequest> {
if req.path().starts_with(&self.prefix) {
@ -89,7 +89,7 @@ impl Default for Application<()> {
}
}
impl<S> Application<S> where S: 'static {
impl<S> Application<S> where S: Send + 'static {
/// Create application with specific state. Application can be
/// configured with builder-like pattern.
@ -133,7 +133,7 @@ impl<S> Application<S> where S: 'static {
/// .finish();
/// }
/// ```
pub fn prefix<P: Into<String>>(&mut self, prefix: P) -> &mut Self {
pub fn prefix<P: Into<String>>(mut self, prefix: P) -> Application<S> {
{
let parts = self.parts.as_mut().expect("Use after finish");
let mut prefix = prefix.into();
@ -176,7 +176,7 @@ impl<S> Application<S> where S: 'static {
/// .finish();
/// }
/// ```
pub fn resource<F>(&mut self, path: &str, f: F) -> &mut Self
pub fn resource<F>(mut self, path: &str, f: F) -> Application<S>
where F: FnOnce(&mut Resource<S>) + 'static
{
{
@ -197,7 +197,7 @@ impl<S> Application<S> where S: 'static {
}
/// Default resource is used if no matched route could be found.
pub fn default_resource<F>(&mut self, f: F) -> &mut Self
pub fn default_resource<F>(mut self, f: F) -> Application<S>
where F: FnOnce(&mut Resource<S>) + 'static
{
{
@ -230,7 +230,7 @@ impl<S> Application<S> where S: 'static {
/// .finish();
/// }
/// ```
pub fn external_resource<T, U>(&mut self, name: T, url: U) -> &mut Self
pub fn external_resource<T, U>(mut self, name: T, url: U) -> Application<S>
where T: AsRef<str>, U: AsRef<str>
{
{
@ -246,7 +246,7 @@ impl<S> Application<S> where S: 'static {
}
/// Register a middleware
pub fn middleware<T>(&mut self, mw: T) -> &mut Self
pub fn middleware<T>(mut self, mw: T) -> Application<S>
where T: Middleware<S> + 'static
{
self.parts.as_mut().expect("Use after finish")
@ -274,7 +274,7 @@ impl<S> Application<S> where S: 'static {
}
}
impl<S: 'static> IntoHttpHandler for Application<S> {
impl<S: Send + 'static> IntoHttpHandler for Application<S> {
type Handler = HttpApplication<S>;
fn into_handler(mut self) -> HttpApplication<S> {
@ -282,7 +282,7 @@ impl<S: 'static> IntoHttpHandler for Application<S> {
}
}
impl<'a, S: 'static> IntoHttpHandler for &'a mut Application<S> {
impl<'a, S: Send + 'static> IntoHttpHandler for &'a mut Application<S> {
type Handler = HttpApplication<S>;
fn into_handler(self) -> HttpApplication<S> {
@ -291,7 +291,7 @@ impl<'a, S: 'static> IntoHttpHandler for &'a mut Application<S> {
}
#[doc(hidden)]
impl<S: 'static> Iterator for Application<S> {
impl<S: Send + 'static> Iterator for Application<S> {
type Item = HttpApplication<S>;
fn next(&mut self) -> Option<Self::Item> {

7
src/server.rs
View file

@ -95,10 +95,11 @@ impl<T: 'static, A: 'static, H: 'static> Actor for HttpServer<T, A, H> {
impl<T, A, H> HttpServer<T, A, H> where H: HttpHandler
{
/// Create new http server with vec of http handlers
pub fn new<V, U: IntoIterator<Item=V>>(handler: U) -> Self
where V: IntoHttpHandler<Handler=H>
pub fn new<V, F, U: IntoIterator<Item=V>>(factory: F) -> Self
where F: Fn() -> U + Send,
V: IntoHttpHandler<Handler=H>
{
let apps: Vec<_> = handler.into_iter().map(|h| h.into_handler()).collect();
let apps: Vec<_> = factory().into_iter().map(|h| h.into_handler()).collect();
HttpServer{ h: Rc::new(apps),
io: PhantomData,

19
tests/test_server.rs
View file

@ -4,6 +4,7 @@ extern crate tokio_core;
extern crate reqwest;
use std::{net, thread};
use std::rc::Rc;
use std::sync::Arc;
use std::sync::atomic::{AtomicUsize, Ordering};
use tokio_core::net::TcpListener;
@ -16,8 +17,8 @@ fn test_serve() {
thread::spawn(|| {
let sys = System::new("test");
let srv = HttpServer::new(
vec![Application::new()
.resource("/", |r| r.method(Method::GET).h(httpcodes::HTTPOk))]);
|| vec![Application::new()
.resource("/", |r| r.method(Method::GET).h(httpcodes::HTTPOk))]);
srv.serve::<_, ()>("127.0.0.1:58902").unwrap();
sys.run();
});
@ -36,7 +37,7 @@ fn test_serve_incoming() {
let sys = System::new("test");
let srv = HttpServer::new(
Application::new()
|| Application::new()
.resource("/", |r| r.method(Method::GET).h(httpcodes::HTTPOk)));
let tcp = TcpListener::from_listener(tcp, &addr2, Arbiter::handle()).unwrap();
srv.serve_incoming::<_, ()>(tcp.incoming(), false).unwrap();
@ -51,6 +52,7 @@ struct MiddlewareTest {
start: Arc<AtomicUsize>,
response: Arc<AtomicUsize>,
finish: Arc<AtomicUsize>,
test: Rc<usize>,
}
impl<S> middlewares::Middleware<S> for MiddlewareTest {
@ -84,12 +86,11 @@ fn test_middlewares() {
let sys = System::new("test");
HttpServer::new(
vec![Application::new()
.middleware(MiddlewareTest{start: act_num1,
response: act_num2,
finish: act_num3})
.resource("/", |r| r.method(Method::GET).h(httpcodes::HTTPOk))
.finish()])
move || vec![Application::new()
.middleware(MiddlewareTest{start: act_num1.clone(),
response: act_num2.clone(),
finish: act_num3.clone(), test: Rc::new(1)})
.resource("/", |r| r.method(Method::GET).h(httpcodes::HTTPOk))])
.serve::<_, ()>("127.0.0.1:58904").unwrap();
sys.run();
});