actix/actix-web
1
0
Fork 0
mirror of https://github.com/fafhrd91/actix-web synced 2024-11-30 10:42:55 +01:00
Code Issues Releases Wiki Activity

Application, router, resource builders

Browse Source
This commit is contained in:
Nikolay Kim 2017-10-15 14:17:41 -07:00
parent 5480cb5d49
commit 5901f0f9f5
11 changed files with 406 additions and 146 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
README.md
View File

@ -39,35 +39,21 @@ use std::str::FromStr;
use actix::prelude::*;
use actix_web::*;
// Route
struct MyRoute;
impl Actor for MyRoute {
type Context = HttpContext<Self>;
}
impl Route for MyRoute {
type State = ();
fn request(req: HttpRequest, payload: Payload, ctx: &mut HttpContext<Self>) -> Reply<Self>
{
Reply::reply(httpcodes::HTTPOk)
}
}
fn main() {
let system = System::new("test");
// create routing map with `MyRoute` route
let mut routes = RoutingMap::default();
routes
.add_resource("/")
.post::<MyRoute>();
// start http server
let http = HttpServer::new(routes);
http.serve::<()>(
&net::SocketAddr::from_str("127.0.0.1:8880").unwrap()).unwrap();
HttpServer::new(
// create routing map with `MyRoute` route
RoutingMap::default()
.resource("/", |r|
r.handler(Method::GET, |req, payload, state| {
httpcodes::HTTPOk
})
)
.finish())
.serve::<()>(
&net::SocketAddr::from_str("127.0.0.1:8880").unwrap()).unwrap();
// stop system
Arbiter::handle().spawn_fn(|| {

194
src/application.rs
View File

@ -5,11 +5,12 @@ use std::collections::HashMap;
use route_recognizer::Router;
use task::Task;
use route::RouteHandler;
use route::{RouteHandler, FnHandler};
use router::Handler;
use resource::Resource;
use payload::Payload;
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
/// Application
@ -47,21 +48,34 @@ impl<S> Application<S> where S: 'static
}
}
impl Default for Application<()> {
/// Create default `Application` with no state
fn default() -> Self {
Application {
state: (),
default: Resource::default(),
handlers: HashMap::new(),
resources: HashMap::new(),
impl Application<()> {
/// Create default `ApplicationBuilder` with no state
pub fn default() -> ApplicationBuilder<()> {
ApplicationBuilder {
parts: Some(ApplicationBuilderParts {
state: (),
default: Resource::default(),
handlers: HashMap::new(),
resources: HashMap::new()})
}
}
}
impl<S> Application<S> where S: 'static {
/// Create application builder
pub fn builder(state: S) -> ApplicationBuilder<S> {
ApplicationBuilder {
parts: Some(ApplicationBuilderParts {
state: state,
default: Resource::default(),
handlers: HashMap::new(),
resources: HashMap::new()})
}
}
/// Create http application with specific state. State is shared with all
/// routes within same application and could be
/// accessed with `HttpContext::state()` method.
@ -75,7 +89,7 @@ impl<S> Application<S> where S: 'static {
}
/// Add resource by path.
pub fn add<P: ToString>(&mut self, path: P) -> &mut Resource<S>
pub fn resource<P: ToString>(&mut self, path: P) -> &mut Resource<S>
{
let path = path.to_string();
@ -87,8 +101,31 @@ impl<S> Application<S> where S: 'static {
self.resources.get_mut(&path).unwrap()
}
/// This method register handler for specified path.
///
/// ```rust
/// extern crate actix_web;
/// use actix_web::*;
///
/// fn main() {
/// let mut app = Application::new(());
///
/// app.handler("/test", |req, payload, state| {
/// httpcodes::HTTPOk
/// });
/// }
/// ```
pub fn handler<P, F, R>(&mut self, path: P, handler: F) -> &mut Self
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Into<HttpResponse> + 'static,
P: ToString,
{
self.handlers.insert(path.to_string(), Box::new(FnHandler::new(handler)));
self
}
/// Add path handler
pub fn add_handler<H, P>(&mut self, path: P, h: H)
pub fn route_handler<H, P>(&mut self, path: P, h: H)
where H: RouteHandler<S> + 'static, P: ToString
{
let path = path.to_string();
@ -107,6 +144,141 @@ impl<S> Application<S> where S: 'static {
}
}
struct ApplicationBuilderParts<S> {
state: S,
default: Resource<S>,
handlers: HashMap<String, Box<RouteHandler<S>>>,
resources: HashMap<String, Resource<S>>,
}
impl<S> From<ApplicationBuilderParts<S>> for Application<S> {
fn from(b: ApplicationBuilderParts<S>) -> Self {
Application {
state: b.state,
default: b.default,
handlers: b.handlers,
resources: b.resources,
}
}
}
/// Application builder
pub struct ApplicationBuilder<S=()> {
parts: Option<ApplicationBuilderParts<S>>,
}
impl<S> ApplicationBuilder<S> where S: 'static {
/// Configure resource for specific path.
///
/// ```rust
/// extern crate actix;
/// extern crate actix_web;
/// use actix_web::*;
/// use actix::prelude::*;
///
/// struct MyRoute;
///
/// impl Actor for MyRoute {
/// type Context = HttpContext<Self>;
/// }
///
/// impl Route for MyRoute {
/// type State = ();
///
/// fn request(req: HttpRequest,
/// payload: Payload,
/// ctx: &mut HttpContext<Self>) -> Reply<Self> {
/// Reply::reply(httpcodes::HTTPOk)
/// }
/// }
/// fn main() {
/// let app = Application::default()
/// .resource("/test", |r| {
/// r.get::<MyRoute>();
/// r.handler(Method::HEAD, |req, payload, state| {
/// httpcodes::HTTPMethodNotAllowed
/// });
/// })
/// .finish();
/// }
/// ```
pub fn resource<F, P: ToString>(&mut self, path: P, f: F) -> &mut Self
where F: FnOnce(&mut Resource<S>) + 'static
{
{
let parts = self.parts.as_mut().expect("Use after finish");
// add resource
let path = path.to_string();
if !parts.resources.contains_key(&path) {
parts.resources.insert(path.clone(), Resource::default());
}
f(parts.resources.get_mut(&path).unwrap());
}
self
}
/// Default resource is used if no matches route could be found.
pub fn default_resource<F>(&mut self, f: F) -> &mut Self
where F: FnOnce(&mut Resource<S>) + 'static
{
{
let parts = self.parts.as_mut().expect("Use after finish");
f(&mut parts.default);
}
self
}
/// This method register handler for specified path.
///
/// ```rust
/// extern crate actix_web;
/// use actix_web::*;
///
/// fn main() {
/// let app = Application::default()
/// .handler("/test", |req, payload, state| {
/// match *req.method() {
/// Method::GET => httpcodes::HTTPOk,
/// Method::POST => httpcodes::HTTPMethodNotAllowed,
/// _ => httpcodes::HTTPNotFound,
/// }
/// })
/// .finish();
/// }
/// ```
pub fn handler<P, F, R>(&mut self, path: P, handler: F) -> &mut Self
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Into<HttpResponse> + 'static,
P: ToString,
{
self.parts.as_mut().expect("Use after finish")
.handlers.insert(path.to_string(), Box::new(FnHandler::new(handler)));
self
}
/// Add path handler
pub fn route_handler<H, P>(&mut self, path: P, h: H) -> &mut Self
where H: RouteHandler<S> + 'static, P: ToString
{
{
// add resource
let parts = self.parts.as_mut().expect("Use after finish");
let path = path.to_string();
if parts.handlers.contains_key(&path) {
panic!("Handler already registered: {:?}", path);
}
parts.handlers.insert(path, Box::new(h));
}
self
}
/// Construct application
pub fn finish(&mut self) -> Application<S> {
self.parts.take().expect("Use after finish").into()
}
}
pub(crate)
struct InnerApplication<S> {

5
src/dev.rs
View File

@ -10,9 +10,9 @@
pub use ws;
pub use httpcodes;
pub use error::ParseError;
pub use application::Application;
pub use application::{Application, ApplicationBuilder};
pub use httprequest::HttpRequest;
pub use httpresponse::{Body, Builder, HttpResponse};
pub use httpresponse::{Body, HttpResponse, HttpResponseBuilder};
pub use payload::{Payload, PayloadItem, PayloadError};
pub use router::RoutingMap;
pub use resource::{Reply, Resource};
@ -22,6 +22,7 @@ pub use context::HttpContext;
pub use staticfiles::StaticFiles;
// re-exports
pub use http::{Method, StatusCode};
pub use cookie::{Cookie, CookieBuilder};
pub use cookie::{ParseError as CookieParseError};
pub use route_recognizer::Params;

4
src/httpcodes.rs
View File

@ -7,7 +7,7 @@ use task::Task;
use route::RouteHandler;
use payload::Payload;
use httprequest::HttpRequest;
use httpresponse::{Body, Builder, HttpResponse};
use httpresponse::{Body, HttpResponse, HttpResponseBuilder};
pub const HTTPOk: StaticResponse = StaticResponse(StatusCode::OK);
pub const HTTPCreated: StaticResponse = StaticResponse(StatusCode::CREATED);
@ -23,7 +23,7 @@ pub const HTTPInternalServerError: StaticResponse =
pub struct StaticResponse(StatusCode);
impl StaticResponse {
pub fn builder(&self) -> Builder {
pub fn builder(&self) -> HttpResponseBuilder {
HttpResponse::builder(self.0)
}
pub fn response(&self) -> HttpResponse {

8
src/httpresponse.rs
View File

@ -62,8 +62,8 @@ pub struct HttpResponse {
impl HttpResponse {
#[inline]
pub fn builder(status: StatusCode) -> Builder {
Builder {
pub fn builder(status: StatusCode) -> HttpResponseBuilder {
HttpResponseBuilder {
parts: Some(Parts::new(status)),
err: None,
}
@ -224,12 +224,12 @@ impl Parts {
/// This type can be used to construct an instance of `HttpResponse` through a
/// builder-like pattern.
#[derive(Debug)]
pub struct Builder {
pub struct HttpResponseBuilder {
parts: Option<Parts>,
err: Option<Error>,
}
impl Builder {
impl HttpResponseBuilder {
/// Get the HTTP version of this response.
#[inline]
pub fn version(&mut self, version: Version) -> &mut Self {

7
src/lib.rs
View File

@ -48,11 +48,11 @@ pub mod ws;
pub mod dev;
pub mod httpcodes;
pub use error::ParseError;
pub use application::Application;
pub use application::{Application, ApplicationBuilder};
pub use httprequest::HttpRequest;
pub use httpresponse::{Body, Builder, HttpResponse};
pub use httpresponse::{Body, HttpResponse, HttpResponseBuilder};
pub use payload::{Payload, PayloadItem, PayloadError};
pub use router::RoutingMap;
pub use router::{Router, RoutingMap};
pub use resource::{Reply, Resource};
pub use route::{Route, RouteFactory, RouteHandler};
pub use server::HttpServer;
@ -60,6 +60,7 @@ pub use context::HttpContext;
pub use staticfiles::StaticFiles;
// re-exports
pub use http::{Method, StatusCode};
pub use cookie::{Cookie, CookieBuilder};
pub use cookie::{ParseError as CookieParseError};
pub use route_recognizer::Params;

36
src/main.rs
View File

@ -105,24 +105,24 @@ fn main() {
let sys = actix::System::new("http-example");
let mut routes = RoutingMap::default();
let mut app = Application::default();
app.add("/test")
.get::<MyRoute>()
.post::<MyRoute>();
routes.add("/blah", app);
routes.add_resource("/test")
.post::<MyRoute>();
routes.add_resource("/ws/")
.get::<MyWS>();
let http = HttpServer::new(routes);
http.serve::<()>(
&net::SocketAddr::from_str("127.0.0.1:9080").unwrap()).unwrap();
HttpServer::new(
RoutingMap::default()
.app(
"/blah", Application::default()
.resource("/test", |r| {
r.get::<MyRoute>();
r.post::<MyRoute>();
})
.finish())
.resource("/test", |r| r.post::<MyRoute>())
.resource("/ws/", |r| r.get::<MyWS>())
.resource("/simple/", |r|
r.handler(Method::GET, |req, payload, state| {
httpcodes::HTTPOk
}))
.finish())
.serve::<()>(
&net::SocketAddr::from_str("127.0.0.1:9080").unwrap()).unwrap();
println!("starting");
let _ = sys.run();

48
src/resource.rs
View File

@ -5,9 +5,10 @@ use std::collections::HashMap;
use actix::Actor;
use http::Method;
use futures::Stream;
use task::Task;
use route::{Route, RouteHandler};
use route::{Route, RouteHandler, Frame, FnHandler, StreamHandler};
use payload::Payload;
use context::HttpContext;
use httprequest::HttpRequest;
@ -26,10 +27,9 @@ use httpcodes::HTTPMethodNotAllowed;
/// struct MyRoute;
///
/// fn main() {
/// let mut routes = RoutingMap::default();
///
/// routes.add_resource("/")
/// .post::<MyRoute>();
/// let router = RoutingMap::default()
/// .resource("/", |r| r.post::<MyRoute>())
/// .finish();
/// }
pub struct Resource<S=()> {
state: PhantomData<S>,
@ -50,48 +50,62 @@ impl<S> Default for Resource<S> {
impl<S> Resource<S> where S: 'static {
/// Register handler for specified method.
pub fn handler<H>(&mut self, method: Method, handler: H) -> &mut Self
pub fn handler<F, R>(&mut self, method: Method, handler: F)
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Into<HttpResponse> + 'static,
{
self.routes.insert(method, Box::new(FnHandler::new(handler)));
}
/// Register async handler for specified method.
pub fn async<F, R>(&mut self, method: Method, handler: F)
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Stream<Item=Frame, Error=()> + 'static,
{
self.routes.insert(method, Box::new(StreamHandler::new(handler)));
}
/// Register handler for specified method.
pub fn route_handler<H>(&mut self, method: Method, handler: H)
where H: RouteHandler<S>
{
self.routes.insert(method, Box::new(handler));
self
}
/// Default handler is used if no matched route found.
/// By default `HTTPMethodNotAllowed` is used.
pub fn default_handler<H>(&mut self, handler: H) -> &mut Self
pub fn default_handler<H>(&mut self, handler: H)
where H: RouteHandler<S>
{
self.default = Box::new(handler);
self
}
/// Handler for `GET` method.
pub fn get<A>(&mut self) -> &mut Self
pub fn get<A>(&mut self)
where A: Actor<Context=HttpContext<A>> + Route<State=S>
{
self.handler(Method::GET, A::factory())
self.route_handler(Method::GET, A::factory());
}
/// Handler for `POST` method.
pub fn post<A>(&mut self) -> &mut Self
pub fn post<A>(&mut self)
where A: Actor<Context=HttpContext<A>> + Route<State=S>
{
self.handler(Method::POST, A::factory())
self.route_handler(Method::POST, A::factory());
}
/// Handler for `PUR` method.
pub fn put<A>(&mut self) -> &mut Self
pub fn put<A>(&mut self)
where A: Actor<Context=HttpContext<A>> + Route<State=S>
{
self.handler(Method::PUT, A::factory())
self.route_handler(Method::PUT, A::factory());
}
/// Handler for `METHOD` method.
pub fn delete<A>(&mut self) -> &mut Self
pub fn delete<A>(&mut self)
where A: Actor<Context=HttpContext<A>> + Route<State=S>
{
self.handler(Method::DELETE, A::factory())
self.route_handler(Method::DELETE, A::factory());
}
}

69
src/route.rs
View File

@ -1,8 +1,10 @@
use std::io;
use std::rc::Rc;
use std::marker::PhantomData;
use actix::Actor;
use bytes::Bytes;
use futures::Stream;
use task::Task;
use context::HttpContext;
@ -59,3 +61,70 @@ impl<A, S> RouteHandler<S> for RouteFactory<A, S>
A::request(req, payload, &mut ctx).into(ctx)
}
}
/// Simple route handler
pub(crate)
struct FnHandler<S, R, F>
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Into<HttpResponse>,
S: 'static,
{
f: Box<F>,
s: PhantomData<S>,
}
impl<S, R, F> FnHandler<S, R, F>
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Into<HttpResponse> + 'static,
S: 'static,
{
pub fn new(f: F) -> Self {
FnHandler{f: Box::new(f), s: PhantomData}
}
}
impl<S, R, F> RouteHandler<S> for FnHandler<S, R, F>
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Into<HttpResponse> + 'static,
S: 'static,
{
fn handle(&self, req: HttpRequest, payload: Payload, state: Rc<S>) -> Task
{
Task::reply((self.f)(req, payload, &state).into())
}
}
/// Async route handler
pub(crate)
struct StreamHandler<S, R, F>
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Stream<Item=Frame, Error=()> + 'static,
S: 'static,
{
f: Box<F>,
s: PhantomData<S>,
}
impl<S, R, F> StreamHandler<S, R, F>
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Stream<Item=Frame, Error=()> + 'static,
S: 'static,
{
pub fn new(f: F) -> Self {
StreamHandler{f: Box::new(f), s: PhantomData}
}
}
impl<S, R, F> RouteHandler<S> for StreamHandler<S, R, F>
where F: Fn(HttpRequest, Payload, &S) -> R + 'static,
R: Stream<Item=Frame, Error=()> + 'static,
S: 'static,
{
fn handle(&self, req: HttpRequest, payload: Payload, state: Rc<S>) -> Task
{
Task::with_stream(
(self.f)(req, payload, &state).map_err(
|_| io::Error::new(io::ErrorKind::Other, ""))
)
}
}

139
src/router.rs
View File

@ -15,7 +15,30 @@ pub(crate) trait Handler: 'static {
fn handle(&self, req: HttpRequest, payload: Payload) -> Task;
}
/// Request routing map
/// Server routing map
pub struct Router {
apps: HashMap<String, Box<Handler>>,
resources: Recognizer<Resource>,
}
impl Router {
pub(crate) fn call(&self, req: HttpRequest, payload: Payload) -> Task
{
if let Ok(h) = self.resources.recognize(req.path()) {
h.handler.handle(req.with_params(h.params), payload, Rc::new(()))
} else {
for (prefix, app) in &self.apps {
if req.path().starts_with(prefix) {
return app.handle(req, payload)
}
}
Task::reply(HTTPNotFound.response())
}
}
}
/// Request routing map builder
///
/// Route supports glob patterns: * for a single wildcard segment and :param
/// for matching storing that segment of the request url in the Params object,
@ -25,11 +48,15 @@ pub(crate) trait Handler: 'static {
/// store userid and friend in the exposed Params object:
///
/// ```rust,ignore
/// let mut router = RoutingMap::default();
/// let mut map = RoutingMap::default();
///
/// router.add_resource("/users/:userid/:friendid").get::<MyRoute>();
/// map.resource("/users/:userid/:friendid", |r| r.get::<MyRoute>());
/// ```
pub struct RoutingMap {
parts: Option<RoutingMapParts>,
}
struct RoutingMapParts {
apps: HashMap<String, Box<Handler>>,
resources: HashMap<String, Resource>,
}
@ -37,8 +64,9 @@ pub struct RoutingMap {
impl Default for RoutingMap {
fn default() -> Self {
RoutingMap {
apps: HashMap::new(),
resources: HashMap::new()
parts: Some(RoutingMapParts {
apps: HashMap::new(),
resources: HashMap::new()}),
}
}
}
@ -53,92 +81,81 @@ impl RoutingMap {
/// struct MyRoute;
///
/// fn main() {
/// let mut app = Application::default();
/// app.add("/test")
/// .get::<MyRoute>()
/// .post::<MyRoute>();
///
/// let mut routes = RoutingMap::default();
/// routes.add("/pre", app);
/// let mut router =
/// RoutingMap::default()
/// .app("/pre", Application::default()
/// .resource("/test", |r| {
/// r.get::<MyRoute>();
/// r.post::<MyRoute>();
/// })
/// .finish()
/// ).finish();
/// }
/// ```
/// In this example, `MyRoute` route is available as `http://.../pre/test` url.
pub fn add<P, S: 'static>(&mut self, prefix: P, app: Application<S>)
pub fn app<P, S: 'static>(&mut self, prefix: P, app: Application<S>) -> &mut Self
where P: ToString
{
let prefix = prefix.to_string();
{
let parts = self.parts.as_mut().expect("Use after finish");
// we can not override registered resource
if self.apps.contains_key(&prefix) {
panic!("Resource is registered: {}", prefix);
// we can not override registered resource
let prefix = prefix.to_string();
if parts.apps.contains_key(&prefix) {
panic!("Resource is registered: {}", prefix);
}
// add application
parts.apps.insert(prefix.clone(), app.prepare(prefix));
}
// add application
self.apps.insert(prefix.clone(), app.prepare(prefix));
self
}
/// This method creates `Resource` for specified path
/// or returns mutable reference to resource object.
/// Configure resource for specific path.
///
/// ```rust,ignore
///
/// struct MyRoute;
///
/// fn main() {
/// let mut routes = RoutingMap::default();
///
/// routes.add_resource("/test")
/// .post::<MyRoute>();
/// RoutingMap::default().resource("/test", |r| {
/// r.post::<MyRoute>();
/// }).finish();
/// }
/// ```
/// In this example, `MyRoute` route is available as `http://.../test` url.
pub fn add_resource<P>(&mut self, path: P) -> &mut Resource
where P: ToString
pub fn resource<P, F>(&mut self, path: P, f: F) -> &mut Self
where F: FnOnce(&mut Resource<()>) + 'static,
P: ToString,
{
let path = path.to_string();
{
let parts = self.parts.as_mut().expect("Use after finish");
// add resource
if !self.resources.contains_key(&path) {
self.resources.insert(path.clone(), Resource::default());
// add resource
let path = path.to_string();
if !parts.resources.contains_key(&path) {
parts.resources.insert(path.clone(), Resource::default());
}
// configure resource
f(parts.resources.get_mut(&path).unwrap());
}
self.resources.get_mut(&path).unwrap()
self
}
pub(crate) fn into_router(self) -> Router {
/// Finish configuration and create `Router` instance
pub fn finish(&mut self) -> Router
{
let parts = self.parts.take().expect("Use after finish");
let mut router = Recognizer::new();
for (path, resource) in self.resources {
for (path, resource) in parts.resources {
router.add(path.as_str(), resource);
}
Router {
apps: self.apps,
apps: parts.apps,
resources: router,
}
}
}
pub(crate)
struct Router {
apps: HashMap<String, Box<Handler>>,
resources: Recognizer<Resource>,
}
impl Router {
pub fn call(&self, req: HttpRequest, payload: Payload) -> Task
{
if let Ok(h) = self.resources.recognize(req.path()) {
h.handler.handle(req.with_params(h.params), payload, Rc::new(()))
} else {
for (prefix, app) in &self.apps {
if req.path().starts_with(prefix) {
return app.handle(req, payload)
}
}
Task::reply(HTTPNotFound.response())
}
}
}

6
src/server.rs
View File

@ -9,8 +9,8 @@ use tokio_core::reactor::Timeout;
use tokio_core::net::{TcpListener, TcpStream};
use task::{Task, RequestInfo};
use router::Router;
use reader::{Reader, ReaderError};
use router::{Router, RoutingMap};
/// An HTTP Server
pub struct HttpServer {
@ -23,8 +23,8 @@ impl Actor for HttpServer {
impl HttpServer {
/// Create new http server with specified `RoutingMap`
pub fn new(routes: RoutingMap) -> Self {
HttpServer {router: Rc::new(routes.into_router())}
pub fn new(router: Router) -> Self {
HttpServer {router: Rc::new(router)}
}
/// Start listening for incomming connections.