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refactor router

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This commit is contained in:
Nikolay Kim 2018-07-15 15:12:21 +06:00
parent cf976d296f
commit da915972c0
11 changed files with 635 additions and 655 deletions
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244
src/application.rs
View file

@ -1,16 +1,15 @@
use std::collections::HashMap;
use std::rc::Rc;
use handler::{AsyncResult, FromRequest, Handler, Responder, RouteHandler, WrapHandler};
use handler::{AsyncResult, FromRequest, Handler, Responder, WrapHandler};
use header::ContentEncoding;
use http::{Method, StatusCode};
use http::Method;
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
use middleware::Middleware;
use pipeline::{HandlerType, Pipeline, PipelineHandler};
use pipeline::{Pipeline, PipelineHandler};
use pred::Predicate;
use resource::Resource;
use router::{ResourceDef, RouteInfo, Router};
use router::{ResourceDef, Router};
use scope::Scope;
use server::{HttpHandler, HttpHandlerTask, IntoHttpHandler, Request};
@ -19,7 +18,6 @@ pub struct HttpApplication<S = ()> {
state: Rc<S>,
prefix: String,
prefix_len: usize,
router: Router,
inner: Rc<Inner<S>>,
filters: Option<Vec<Box<Predicate<S>>>>,
middlewares: Rc<Vec<Box<Middleware<S>>>>,
@ -27,16 +25,8 @@ pub struct HttpApplication<S = ()> {
#[doc(hidden)]
pub struct Inner<S> {
prefix: usize,
default: Rc<Resource<S>>,
router: Router<S>,
encoding: ContentEncoding,
resources: Vec<Resource<S>>,
handlers: Vec<PrefixHandlerType<S>>,
}
enum PrefixHandlerType<S> {
Handler(String, Box<RouteHandler<S>>),
Scope(ResourceDef, Box<RouteHandler<S>>, Vec<Box<Predicate<S>>>),
}
impl<S: 'static> PipelineHandler<S> for Inner<S> {
@ -45,80 +35,21 @@ impl<S: 'static> PipelineHandler<S> for Inner<S> {
self.encoding
}
fn handle(
&self, req: &HttpRequest<S>, htype: HandlerType,
) -> AsyncResult<HttpResponse> {
match htype {
HandlerType::Normal(idx) => {
if let Some(id) = self.resources[idx].get_route_id(req) {
return self.resources[idx].handle(id, req);
}
}
HandlerType::Handler(idx) => match self.handlers[idx] {
PrefixHandlerType::Handler(_, ref hnd) => return hnd.handle(req),
PrefixHandlerType::Scope(_, ref hnd, _) => return hnd.handle(req),
},
_ => (),
}
if let Some(id) = self.default.get_route_id(req) {
self.default.handle(id, req)
} else {
AsyncResult::ok(HttpResponse::new(StatusCode::NOT_FOUND))
}
fn handle(&self, req: &HttpRequest<S>) -> AsyncResult<HttpResponse> {
self.router.handle(req)
}
}
impl<S: 'static> HttpApplication<S> {
#[inline]
fn get_handler(&self, req: &Request) -> (RouteInfo, HandlerType) {
if let Some((idx, info)) = self.router.recognize(req) {
(info, HandlerType::Normal(idx))
} else {
'outer: for idx in 0..self.inner.handlers.len() {
match self.inner.handlers[idx] {
PrefixHandlerType::Handler(ref prefix, _) => {
let m = {
let path = &req.path()[self.inner.prefix..];
let path_len = path.len();
path.starts_with(prefix)
&& (path_len == prefix.len()
|| path.split_at(prefix.len()).1.starts_with('/'))
};
if m {
let prefix_len = (self.inner.prefix + prefix.len()) as u16;
let info = self.router.route_info(req, prefix_len);
return (info, HandlerType::Handler(idx));
}
}
PrefixHandlerType::Scope(ref pattern, _, ref filters) => {
if let Some(params) =
pattern.match_prefix_with_params(req, self.inner.prefix)
{
for filter in filters {
if !filter.check(req, &self.state) {
continue 'outer;
}
}
return (
self.router.route_info_params(params),
HandlerType::Handler(idx),
);
}
}
}
}
(self.router.default_route_info(), HandlerType::Default)
}
}
#[cfg(test)]
pub(crate) fn run(&self, req: Request) -> AsyncResult<HttpResponse> {
let (info, tp) = self.get_handler(&req);
let info = self
.inner
.router
.recognize(&req, &self.state, self.prefix_len);
let req = HttpRequest::new(req, Rc::clone(&self.state), info);
self.inner.handle(&req, tp)
self.inner.handle(&req)
}
}
@ -141,10 +72,14 @@ impl<S: 'static> HttpHandler for HttpApplication<S> {
}
}
let (info, tp) = self.get_handler(&msg);
let info = self
.inner
.router
.recognize(&msg, &self.state, self.prefix_len);
let inner = Rc::clone(&self.inner);
let req = HttpRequest::new(msg, Rc::clone(&self.state), info);
Ok(Pipeline::new(req, Rc::clone(&self.middlewares), inner, tp))
Ok(Pipeline::new(req, Rc::clone(&self.middlewares), inner))
} else {
Err(msg)
}
@ -154,10 +89,7 @@ impl<S: 'static> HttpHandler for HttpApplication<S> {
struct ApplicationParts<S> {
state: S,
prefix: String,
default: Rc<Resource<S>>,
resources: Vec<(ResourceDef, Option<Resource<S>>)>,
handlers: Vec<PrefixHandlerType<S>>,
external: HashMap<String, ResourceDef>,
router: Router<S>,
encoding: ContentEncoding,
middlewares: Vec<Box<Middleware<S>>>,
filters: Vec<Box<Predicate<S>>>,
@ -204,10 +136,7 @@ where
parts: Some(ApplicationParts {
state,
prefix: "/".to_owned(),
default: Rc::new(Resource::default_not_found()),
resources: Vec::new(),
handlers: Vec::new(),
external: HashMap::new(),
router: Router::new(),
middlewares: Vec::new(),
filters: Vec::new(),
encoding: ContentEncoding::Auto,
@ -315,35 +244,11 @@ where
R: Responder + 'static,
T: FromRequest<S> + 'static,
{
{
let parts: &mut ApplicationParts<S> =
self.parts.as_mut().expect("Use after finish");
let out = {
// get resource handler
let mut iterator = parts.resources.iter_mut();
loop {
if let Some(&mut (ref pattern, ref mut handler)) = iterator.next() {
if let Some(ref mut handler) = *handler {
if pattern.pattern() == path {
handler.method(method).with(f);
break None;
}
}
} else {
let mut handler = Resource::default();
handler.method(method).with(f);
let pattern = ResourceDef::new(handler.get_name(), path);
break Some((pattern, Some(handler)));
}
}
};
if let Some(out) = out {
parts.resources.push(out);
}
}
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_route(path, method, f);
self
}
@ -376,17 +281,12 @@ where
where
F: FnOnce(Scope<S>) -> Scope<S>,
{
{
let mut scope = Box::new(f(Scope::new()));
let parts = self.parts.as_mut().expect("Use after finish");
let filters = scope.take_filters();
parts.handlers.push(PrefixHandlerType::Scope(
ResourceDef::prefix("", &path),
scope,
filters,
));
}
let scope = f(Scope::new(path));
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_scope(scope);
self
}
@ -428,25 +328,25 @@ where
{
let parts = self.parts.as_mut().expect("Use after finish");
// add resource handler
let mut handler = Resource::default();
f(&mut handler);
// create resource
let mut resource = Resource::new(ResourceDef::new(path));
let pattern = ResourceDef::new(handler.get_name(), path);
parts.resources.push((pattern, Some(handler)));
// configure
f(&mut resource);
parts.router.register_resource(resource);
}
self
}
/// Configure resource for a specific path.
#[doc(hidden)]
pub fn register_resource(&mut self, path: &str, resource: Resource<S>) {
let pattern = ResourceDef::new(resource.get_name(), path);
pub fn register_resource(&mut self, resource: Resource<S>) {
self.parts
.as_mut()
.expect("Use after finish")
.resources
.push((pattern, Some(resource)));
.router
.register_resource(resource);
}
/// Default resource to be used if no matching route could be found.
@ -454,12 +354,16 @@ where
where
F: FnOnce(&mut Resource<S>) -> R + 'static,
{
{
let parts = self.parts.as_mut().expect("Use after finish");
let default = Rc::get_mut(&mut parts.default)
.expect("Multiple App instance references are not allowed");
f(default);
}
// create and configure default resource
let mut resource = Resource::new(ResourceDef::new(""));
f(&mut resource);
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_default_resource(resource.into());
self
}
@ -500,17 +404,11 @@ where
T: AsRef<str>,
U: AsRef<str>,
{
{
let parts = self.parts.as_mut().expect("Use after finish");
if parts.external.contains_key(name.as_ref()) {
panic!("External resource {:?} is registered.", name.as_ref());
}
parts.external.insert(
String::from(name.as_ref()),
ResourceDef::external(name.as_ref(), url.as_ref()),
);
}
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_external(name.as_ref(), ResourceDef::external(url.as_ref()));
self
}
@ -544,12 +442,11 @@ where
if path.len() > 1 && path.ends_with('/') {
path.pop();
}
let parts = self.parts.as_mut().expect("Use after finish");
parts.handlers.push(PrefixHandlerType::Handler(
path,
Box::new(WrapHandler::new(handler)),
));
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_handler(&path, Box::new(WrapHandler::new(handler)), None);
}
self
}
@ -607,27 +504,11 @@ where
(prefix.to_owned(), prefix.len())
};
let mut resources = parts.resources;
for (_, pattern) in parts.external {
resources.push((pattern, None));
}
for handler in &mut parts.handlers {
if let PrefixHandlerType::Scope(_, ref mut route_handler, _) = handler {
if !route_handler.has_default_resource() {
route_handler.default_resource(Rc::clone(&parts.default));
}
};
}
let (router, resources) = Router::new(&prefix, resources);
parts.router.finish();
let inner = Rc::new(Inner {
prefix: prefix_len,
default: Rc::clone(&parts.default),
router: parts.router,
encoding: parts.encoding,
handlers: parts.handlers,
resources,
});
let filters = if parts.filters.is_empty() {
None
@ -637,7 +518,6 @@ where
HttpApplication {
state: Rc::new(parts.state),
router: router.clone(),
middlewares: Rc::new(parts.middlewares),
prefix,
prefix_len,

38
src/extractor.rs
View file

@ -719,12 +719,9 @@ mod tests {
fn test_request_extract() {
let req = TestRequest::with_uri("/name/user1/?id=test").finish();
let mut resource = Resource::<()>::default();
resource.name("index");
let mut routes = Vec::new();
routes.push((ResourceDef::new("index", "/{key}/{value}/"), Some(resource)));
let (router, _) = Router::new("", routes);
let info = router.recognize(&req).unwrap().1;
let mut router = Router::<()>::new();
router.register_resource(Resource::new(ResourceDef::new("/{key}/{value}/")));
let info = router.recognize(&req, &(), 0);
let req = req.with_route_info(info);
let s = Path::<MyStruct>::from_request(&req, &()).unwrap();
@ -738,8 +735,10 @@ mod tests {
let s = Query::<Id>::from_request(&req, &()).unwrap();
assert_eq!(s.id, "test");
let req = TestRequest::with_uri("/name/32/").finish_with_router(router.clone());
let info = router.recognize(&req).unwrap().1;
let mut router = Router::<()>::new();
router.register_resource(Resource::new(ResourceDef::new("/{key}/{value}/")));
let req = TestRequest::with_uri("/name/32/").finish();
let info = router.recognize(&req, &(), 0);
let req = req.with_route_info(info);
let s = Path::<Test2>::from_request(&req, &()).unwrap();
@ -757,29 +756,22 @@ mod tests {
#[test]
fn test_extract_path_single() {
let mut resource = Resource::<()>::default();
resource.name("index");
let mut routes = Vec::new();
routes.push((ResourceDef::new("index", "/{value}/"), Some(resource)));
let (router, _) = Router::new("", routes);
let mut router = Router::<()>::new();
router.register_resource(Resource::new(ResourceDef::new("/{value}/")));
let req = TestRequest::with_uri("/32/").finish_with_router(router.clone());
let info = router.recognize(&req).unwrap().1;
let req = TestRequest::with_uri("/32/").finish();
let info = router.recognize(&req, &(), 0);
let req = req.with_route_info(info);
assert_eq!(*Path::<i8>::from_request(&req, &()).unwrap(), 32);
}
#[test]
fn test_tuple_extract() {
let mut resource = Resource::<()>::default();
resource.name("index");
let mut routes = Vec::new();
routes.push((ResourceDef::new("index", "/{key}/{value}/"), Some(resource)));
let (router, _) = Router::new("", routes);
let mut router = Router::<()>::new();
router.register_resource(Resource::new(ResourceDef::new("/{key}/{value}/")));
let req = TestRequest::with_uri("/name/user1/?id=test")
.finish_with_router(router.clone());
let info = router.recognize(&req).unwrap().1;
let req = TestRequest::with_uri("/name/user1/?id=test").finish();
let info = router.recognize(&req, &(), 0);
let req = req.with_route_info(info);
let res = match <(Path<(String, String)>,)>::extract(&req).poll() {

7
src/handler.rs
View file

@ -1,6 +1,5 @@
use std::marker::PhantomData;
use std::ops::Deref;
use std::rc::Rc;
use futures::future::{err, ok, Future};
use futures::{Async, Poll};
@ -9,7 +8,7 @@ use error::Error;
use http::StatusCode;
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
use resource::Resource;
use resource::DefaultResource;
/// Trait defines object that could be registered as route handler
#[allow(unused_variables)]
@ -409,9 +408,11 @@ pub(crate) trait RouteHandler<S>: 'static {
false
}
fn default_resource(&mut self, _: Rc<Resource<S>>) {
fn default_resource(&mut self, _: DefaultResource<S>) {
unimplemented!()
}
fn finish(&mut self) {}
}
/// Route handler wrapper for Handler

55
src/httprequest.rs
View file

@ -81,7 +81,9 @@ impl<S> HttpRequest<S> {
#[inline]
/// Construct new http request with new RouteInfo.
pub(crate) fn with_route_info(&self, route: RouteInfo) -> HttpRequest<S> {
pub(crate) fn with_route_info(&self, mut route: RouteInfo) -> HttpRequest<S> {
route.merge(&self.route);
HttpRequest {
route,
req: self.req.as_ref().map(|r| r.clone()),
@ -422,26 +424,21 @@ mod tests {
#[test]
fn test_request_match_info() {
let mut resource = Resource::<()>::default();
resource.name("index");
let mut routes = Vec::new();
routes.push((ResourceDef::new("index", "/{key}/"), Some(resource)));
let (router, _) = Router::new("", routes);
let mut router = Router::<()>::new();
router.register_resource(Resource::new(ResourceDef::new("/{key}/")));
let req = TestRequest::with_uri("/value/?id=test").finish();
let info = router.recognize(&req).unwrap().1;
let info = router.recognize(&req, &(), 0);
assert_eq!(info.match_info().get("key"), Some("value"));
}
#[test]
fn test_url_for() {
let mut resource = Resource::<()>::default();
let mut router = Router::<()>::new();
let mut resource = Resource::new(ResourceDef::new("/user/{name}.{ext}"));
resource.name("index");
let routes = vec![(
ResourceDef::new("index", "/user/{name}.{ext}"),
Some(resource),
)];
let (router, _) = Router::new("/", routes);
router.register_resource(resource);
let info = router.default_route_info();
assert!(info.has_route("/user/test.html"));
assert!(!info.has_route("/test/unknown"));
@ -466,13 +463,12 @@ mod tests {
#[test]
fn test_url_for_with_prefix() {
let mut resource = Resource::<()>::default();
let mut resource = Resource::new(ResourceDef::new("/user/{name}.html"));
resource.name("index");
let routes = vec![(
ResourceDef::new("index", "/user/{name}.html"),
Some(resource),
)];
let (router, _) = Router::new("/prefix/", routes);
let mut router = Router::<()>::new();
router.set_prefix("/prefix/");
router.register_resource(resource);
let info = router.default_route_info();
assert!(info.has_route("/user/test.html"));
assert!(!info.has_route("/prefix/user/test.html"));
@ -488,10 +484,12 @@ mod tests {
#[test]
fn test_url_for_static() {
let mut resource = Resource::<()>::default();
let mut resource = Resource::new(ResourceDef::new("/index.html"));
resource.name("index");
let routes = vec![(ResourceDef::new("index", "/index.html"), Some(resource))];
let (router, _) = Router::new("/prefix/", routes);
let mut router = Router::<()>::new();
router.set_prefix("/prefix/");
router.register_resource(resource);
let info = router.default_route_info();
assert!(info.has_route("/index.html"));
assert!(!info.has_route("/prefix/index.html"));
@ -508,13 +506,12 @@ mod tests {
#[test]
fn test_url_for_external() {
let mut resource = Resource::<()>::default();
resource.name("index");
let routes = vec![(
ResourceDef::external("youtube", "https://youtube.com/watch/{video_id}"),
None,
)];
let router = Router::new::<()>("", routes).0;
let mut router = Router::<()>::new();
router.register_external(
"youtube",
ResourceDef::external("https://youtube.com/watch/{video_id}"),
);
let info = router.default_route_info();
assert!(!info.has_route("https://youtube.com/watch/unknown"));

13
src/middleware/cors.rs
View file

@ -60,6 +60,7 @@ use httprequest::HttpRequest;
use httpresponse::HttpResponse;
use middleware::{Middleware, Response, Started};
use resource::Resource;
use router::ResourceDef;
use server::Request;
/// A set of errors that can occur during processing CORS
@ -515,7 +516,7 @@ pub struct CorsBuilder<S = ()> {
methods: bool,
error: Option<http::Error>,
expose_hdrs: HashSet<HeaderName>,
resources: Vec<(String, Resource<S>)>,
resources: Vec<Resource<S>>,
app: Option<App<S>>,
}
@ -798,10 +799,10 @@ impl<S: 'static> CorsBuilder<S> {
F: FnOnce(&mut Resource<S>) -> R + 'static,
{
// add resource handler
let mut handler = Resource::default();
f(&mut handler);
let mut resource = Resource::new(ResourceDef::new(path));
f(&mut resource);
self.resources.push((path.to_owned(), handler));
self.resources.push(resource);
self
}
@ -878,9 +879,9 @@ impl<S: 'static> CorsBuilder<S> {
.expect("CorsBuilder has to be constructed with Cors::for_app(app)");
// register resources
for (path, mut resource) in self.resources.drain(..) {
for mut resource in self.resources.drain(..) {
cors.clone().register(&mut resource);
app.register_resource(&path, resource);
app.register_resource(resource);
}
app

9
src/param.rs
View file

@ -61,6 +61,10 @@ impl Params {
self.tail = tail;
}
pub(crate) fn set_url(&mut self, url: Url) {
self.url = url;
}
pub(crate) fn add(&mut self, name: Rc<String>, value: ParamItem) {
self.segments.push((name, value));
}
@ -99,6 +103,11 @@ impl Params {
}
}
/// Get unprocessed part of path
pub fn unprocessed(&self) -> &str {
&self.url.path()[(self.tail as usize)..]
}
/// Get matched `FromParam` compatible parameter by name.
///
/// If keyed parameter is not available empty string is used as default

20
src/pipeline.rs
View file

@ -16,19 +16,11 @@ use httpresponse::HttpResponse;
use middleware::{Finished, Middleware, Response, Started};
use server::{HttpHandlerTask, Writer, WriterState};
#[doc(hidden)]
#[derive(Debug, Clone, Copy)]
pub enum HandlerType {
Normal(usize),
Handler(usize),
Default,
}
#[doc(hidden)]
pub trait PipelineHandler<S> {
fn encoding(&self) -> ContentEncoding;
fn handle(&self, &HttpRequest<S>, HandlerType) -> AsyncResult<HttpResponse>;
fn handle(&self, &HttpRequest<S>) -> AsyncResult<HttpResponse>;
}
#[doc(hidden)]
@ -99,7 +91,6 @@ impl<S: 'static> PipelineInfo<S> {
impl<S: 'static, H: PipelineHandler<S>> Pipeline<S, H> {
pub fn new(
req: HttpRequest<S>, mws: Rc<Vec<Box<Middleware<S>>>>, handler: Rc<H>,
htype: HandlerType,
) -> Pipeline<S, H> {
let mut info = PipelineInfo {
req,
@ -109,7 +100,7 @@ impl<S: 'static, H: PipelineHandler<S>> Pipeline<S, H> {
disconnected: None,
encoding: handler.encoding(),
};
let state = StartMiddlewares::init(&mut info, &mws, handler, htype);
let state = StartMiddlewares::init(&mut info, &mws, handler);
Pipeline(info, state, mws)
}
@ -204,7 +195,6 @@ type Fut = Box<Future<Item = Option<HttpResponse>, Error = Error>>;
/// Middlewares start executor
struct StartMiddlewares<S, H> {
hnd: Rc<H>,
htype: HandlerType,
fut: Option<Fut>,
_s: PhantomData<S>,
}
@ -212,7 +202,6 @@ struct StartMiddlewares<S, H> {
impl<S: 'static, H: PipelineHandler<S>> StartMiddlewares<S, H> {
fn init(
info: &mut PipelineInfo<S>, mws: &[Box<Middleware<S>>], hnd: Rc<H>,
htype: HandlerType,
) -> PipelineState<S, H> {
// execute middlewares, we need this stage because middlewares could be
// non-async and we can move to next state immediately
@ -220,7 +209,7 @@ impl<S: 'static, H: PipelineHandler<S>> StartMiddlewares<S, H> {
loop {
if info.count == len {
let reply = hnd.handle(&info.req, htype);
let reply = hnd.handle(&info.req);
return WaitingResponse::init(info, mws, reply);
} else {
match mws[info.count as usize].start(&info.req) {
@ -231,7 +220,6 @@ impl<S: 'static, H: PipelineHandler<S>> StartMiddlewares<S, H> {
Ok(Started::Future(fut)) => {
return PipelineState::Starting(StartMiddlewares {
hnd,
htype,
fut: Some(fut),
_s: PhantomData,
})
@ -261,7 +249,7 @@ impl<S: 'static, H: PipelineHandler<S>> StartMiddlewares<S, H> {
}
loop {
if info.count == len {
let reply = self.hnd.handle(&info.req, self.htype);
let reply = self.hnd.handle(&info.req);
return Some(WaitingResponse::init(info, mws, reply));
} else {
let res = mws[info.count as usize].start(&info.req);

58
src/resource.rs
View file

@ -1,4 +1,4 @@
use std::marker::PhantomData;
use std::ops::Deref;
use std::rc::Rc;
use futures::Future;
@ -12,6 +12,7 @@ use httpresponse::HttpResponse;
use middleware::Middleware;
use pred;
use route::Route;
use router::ResourceDef;
#[derive(Copy, Clone)]
pub(crate) struct RouteId(usize);
@ -37,40 +38,34 @@ pub(crate) struct RouteId(usize);
/// .finish();
/// }
pub struct Resource<S = ()> {
name: String,
state: PhantomData<S>,
rdef: ResourceDef,
routes: SmallVec<[Route<S>; 3]>,
middlewares: Rc<Vec<Box<Middleware<S>>>>,
}
impl<S> Default for Resource<S> {
fn default() -> Self {
impl<S> Resource<S> {
/// Create new resource with specified resource definition
pub fn new(rdef: ResourceDef) -> Self {
Resource {
name: String::new(),
state: PhantomData,
rdef,
routes: SmallVec::new(),
middlewares: Rc::new(Vec::new()),
}
}
}
impl<S> Resource<S> {
pub(crate) fn default_not_found() -> Self {
Resource {
name: String::new(),
state: PhantomData,
routes: SmallVec::new(),
middlewares: Rc::new(Vec::new()),
}
/// Name of the resource
pub(crate) fn get_name(&self) -> &str {
self.rdef.name()
}
/// Set resource name
pub fn name<T: Into<String>>(&mut self, name: T) {
self.name = name.into();
pub fn name(&mut self, name: &str) {
self.rdef.set_name(name);
}
pub(crate) fn get_name(&self) -> &str {
&self.name
/// Resource definition
pub fn rdef(&self) -> &ResourceDef {
&self.rdef
}
}
@ -303,3 +298,26 @@ impl<S: 'static> Resource<S> {
}
}
}
/// Default resource
pub struct DefaultResource<S>(Rc<Resource<S>>);
impl<S> Deref for DefaultResource<S> {
type Target = Resource<S>;
fn deref(&self) -> &Resource<S> {
self.0.as_ref()
}
}
impl<S> Clone for DefaultResource<S> {
fn clone(&self) -> Self {
DefaultResource(self.0.clone())
}
}
impl<S> From<Resource<S>> for DefaultResource<S> {
fn from(res: Resource<S>) -> Self {
DefaultResource(Rc::new(res))
}
}

617
src/router.rs
View file

@ -1,3 +1,4 @@
use std::cmp::min;
use std::collections::HashMap;
use std::hash::{Hash, Hasher};
use std::rc::Rc;
@ -6,19 +7,43 @@ use regex::{escape, Regex};
use url::Url;
use error::UrlGenerationError;
use handler::{AsyncResult, FromRequest, Responder, RouteHandler};
use http::{Method, StatusCode};
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
use param::{ParamItem, Params};
use resource::Resource;
use pred::Predicate;
use resource::{DefaultResource, Resource};
use scope::Scope;
use server::Request;
#[derive(Debug, Copy, Clone, PartialEq)]
pub(crate) enum RouterResource {
Notset,
Default,
Normal(u16),
}
/// Interface for application router.
pub struct Router(Rc<Inner>);
enum ResourcePattern<S> {
Resource(ResourceDef),
Handler(ResourceDef, Option<Vec<Box<Predicate<S>>>>),
Scope(ResourceDef, Vec<Box<Predicate<S>>>),
}
enum ResourceItem<S> {
Resource(Resource<S>),
Handler(Box<RouteHandler<S>>),
Scope(Scope<S>),
}
/// Interface for application router.
pub struct Router<S> {
defs: Rc<Inner>,
patterns: Vec<ResourcePattern<S>>,
resources: Vec<ResourceItem<S>>,
default: Option<DefaultResource<S>>,
}
/// Information about current route
#[derive(Clone)]
pub struct RouteInfo {
router: Rc<Inner>,
@ -27,6 +52,16 @@ pub struct RouteInfo {
}
impl RouteInfo {
/// Name os the resource
#[inline]
pub fn name(&self) -> &str {
if let RouterResource::Normal(idx) = self.resource {
self.router.patterns[idx as usize].name()
} else {
""
}
}
/// This method returns reference to matched `Resource` object.
#[inline]
pub fn resource(&self) -> Option<&ResourceDef> {
@ -49,18 +84,14 @@ impl RouteInfo {
}
#[inline]
pub(crate) fn merge(&self, params: &Params) -> RouteInfo {
let mut p = self.params.clone();
p.set_tail(params.tail);
for item in &params.segments {
pub(crate) fn merge(&mut self, info: &RouteInfo) {
let mut p = info.params.clone();
p.set_tail(self.params.tail);
for item in &self.params.segments {
p.add(item.0.clone(), item.1.clone());
}
RouteInfo {
params: p,
router: self.router.clone(),
resource: self.resource,
}
self.params = p;
}
/// Generate url for named resource
@ -75,7 +106,7 @@ impl RouteInfo {
I: AsRef<str>,
{
if let Some(pattern) = self.router.named.get(name) {
let path = pattern.0.resource_path(elements, &self.router.prefix)?;
let path = pattern.resource_path(elements, &self.router.prefix)?;
if path.starts_with('/') {
let conn = req.connection_info();
Ok(Url::parse(&format!(
@ -113,102 +144,264 @@ impl RouteInfo {
struct Inner {
prefix: String,
prefix_len: usize,
named: HashMap<String, (ResourceDef, bool)>,
named: HashMap<String, ResourceDef>,
patterns: Vec<ResourceDef>,
}
impl Router {
/// Create new router
pub fn new<S>(
prefix: &str, map: Vec<(ResourceDef, Option<Resource<S>>)>,
) -> (Router, Vec<Resource<S>>) {
let prefix = prefix.trim().trim_right_matches('/').to_owned();
let mut named = HashMap::new();
let mut patterns = Vec::new();
let mut resources = Vec::new();
impl<S: 'static> Default for Router<S> {
fn default() -> Self {
Router::new()
}
}
for (pattern, resource) in map {
if !pattern.name().is_empty() {
let name = pattern.name().into();
named.insert(name, (pattern.clone(), resource.is_none()));
}
if let Some(resource) = resource {
patterns.push(pattern);
resources.push(resource);
}
impl<S: 'static> Router<S> {
pub(crate) fn new() -> Self {
Router {
defs: Rc::new(Inner {
prefix: String::new(),
prefix_len: 0,
named: HashMap::new(),
patterns: Vec::new(),
}),
resources: Vec::new(),
patterns: Vec::new(),
default: None,
}
let prefix_len = prefix.len();
(
Router(Rc::new(Inner {
prefix,
prefix_len,
named,
patterns,
})),
resources,
)
}
/// Router prefix
#[inline]
pub fn prefix(&self) -> &str {
&self.0.prefix
&self.defs.prefix
}
/// Set router prefix
#[inline]
pub fn set_prefix(&mut self, prefix: &str) {
let prefix = prefix.trim().trim_right_matches('/').to_owned();
let inner = Rc::get_mut(&mut self.defs).unwrap();
inner.prefix_len = prefix.len();
inner.prefix = prefix;
}
#[inline]
pub(crate) fn route_info_params(&self, idx: u16, params: Params) -> RouteInfo {
RouteInfo {
params,
router: self.defs.clone(),
resource: RouterResource::Normal(idx),
}
}
#[cfg(test)]
pub(crate) fn route_info(&self, req: &Request, prefix: u16) -> RouteInfo {
let mut params = Params::with_url(req.url());
params.set_tail(prefix);
RouteInfo {
params,
router: self.0.clone(),
resource: RouterResource::Notset,
}
}
pub(crate) fn route_info_params(&self, params: Params) -> RouteInfo {
RouteInfo {
params,
router: self.0.clone(),
resource: RouterResource::Notset,
router: self.defs.clone(),
resource: RouterResource::Default,
}
}
#[cfg(test)]
pub(crate) fn default_route_info(&self) -> RouteInfo {
RouteInfo {
router: self.0.clone(),
resource: RouterResource::Notset,
params: Params::new(),
router: self.defs.clone(),
resource: RouterResource::Default,
}
}
pub(crate) fn register_resource(&mut self, resource: Resource<S>) {
{
let inner = Rc::get_mut(&mut self.defs).unwrap();
let name = resource.get_name();
if !name.is_empty() {
if inner.named.contains_key(name) {
panic!("Named resource {:?} is registered.", name);
}
inner.named.insert(name.to_owned(), resource.rdef().clone());
}
inner.patterns.push(resource.rdef().clone());
}
self.patterns
.push(ResourcePattern::Resource(resource.rdef().clone()));
self.resources.push(ResourceItem::Resource(resource));
}
pub(crate) fn register_scope(&mut self, mut scope: Scope<S>) {
Rc::get_mut(&mut self.defs)
.unwrap()
.patterns
.push(scope.rdef().clone());
let filters = scope.take_filters();
self.patterns
.push(ResourcePattern::Scope(scope.rdef().clone(), filters));
self.resources.push(ResourceItem::Scope(scope));
}
pub(crate) fn register_handler(
&mut self, path: &str, hnd: Box<RouteHandler<S>>,
filters: Option<Vec<Box<Predicate<S>>>>,
) {
let rdef = ResourceDef::prefix(path);
Rc::get_mut(&mut self.defs)
.unwrap()
.patterns
.push(rdef.clone());
self.resources.push(ResourceItem::Handler(hnd));
self.patterns.push(ResourcePattern::Handler(rdef, filters));
}
pub(crate) fn has_default_resource(&self) -> bool {
self.default.is_some()
}
pub(crate) fn register_default_resource(&mut self, resource: DefaultResource<S>) {
self.default = Some(resource);
}
pub(crate) fn finish(&mut self) {
if let Some(ref default) = self.default {
for resource in &mut self.resources {
match resource {
ResourceItem::Resource(_) => (),
ResourceItem::Scope(scope) => {
if !scope.has_default_resource() {
scope.default_resource(default.clone());
}
scope.finish()
}
ResourceItem::Handler(hnd) => {
if !hnd.has_default_resource() {
hnd.default_resource(default.clone());
}
hnd.finish()
}
}
}
}
}
pub(crate) fn register_external(&mut self, name: &str, rdef: ResourceDef) {
let inner = Rc::get_mut(&mut self.defs).unwrap();
if inner.named.contains_key(name) {
panic!("Named resource {:?} is registered.", name);
}
inner.named.insert(name.to_owned(), rdef);
}
pub(crate) fn register_route<T, F, R>(&mut self, path: &str, method: Method, f: F)
where
F: Fn(T) -> R + 'static,
R: Responder + 'static,
T: FromRequest<S> + 'static,
{
let out = {
// get resource handler
let mut iterator = self.resources.iter_mut();
loop {
if let Some(ref mut resource) = iterator.next() {
if let ResourceItem::Resource(ref mut resource) = resource {
if resource.rdef().pattern() == path {
resource.method(method).with(f);
break None;
}
}
} else {
let mut resource = Resource::new(ResourceDef::new(path));
resource.method(method).with(f);
break Some(resource);
}
}
};
if let Some(out) = out {
self.register_resource(out);
}
}
/// Handle request
pub fn handle(&self, req: &HttpRequest<S>) -> AsyncResult<HttpResponse> {
let resource = match req.route().resource {
RouterResource::Normal(idx) => &self.resources[idx as usize],
RouterResource::Default => {
if let Some(ref default) = self.default {
if let Some(id) = default.get_route_id(req) {
return default.handle(id, req);
}
}
return AsyncResult::ok(HttpResponse::new(StatusCode::NOT_FOUND));
}
};
match resource {
ResourceItem::Resource(ref resource) => {
if let Some(id) = resource.get_route_id(req) {
return resource.handle(id, req);
}
if let Some(ref default) = self.default {
if let Some(id) = default.get_route_id(req) {
return default.handle(id, req);
}
}
}
ResourceItem::Handler(hnd) => return hnd.handle(req),
ResourceItem::Scope(hnd) => return hnd.handle(req),
}
AsyncResult::ok(HttpResponse::new(StatusCode::NOT_FOUND))
}
/// Query for matched resource
pub fn recognize(&self, req: &Request) -> Option<(usize, RouteInfo)> {
if self.0.prefix_len > req.path().len() {
return None;
}
for (idx, pattern) in self.0.patterns.iter().enumerate() {
if let Some(params) = pattern.match_with_params(req, self.0.prefix_len, true)
{
return Some((
idx,
RouteInfo {
params,
router: self.0.clone(),
resource: RouterResource::Normal(idx as u16),
},
));
pub fn recognize(&self, req: &Request, state: &S, tail: usize) -> RouteInfo {
self.match_with_params(req, state, tail, true)
}
/// Query for matched resource
pub(crate) fn match_with_params(
&self, req: &Request, state: &S, tail: usize, insert: bool,
) -> RouteInfo {
if tail <= req.path().len() {
'outer: for (idx, resource) in self.patterns.iter().enumerate() {
match resource {
ResourcePattern::Resource(rdef) => {
if let Some(params) = rdef.match_with_params(req, tail, insert) {
return self.route_info_params(idx as u16, params);
}
}
ResourcePattern::Handler(rdef, filters) => {
if let Some(params) = rdef.match_prefix_with_params(req, tail) {
if let Some(ref filters) = filters {
for filter in filters {
if !filter.check(req, state) {
continue 'outer;
}
}
}
return self.route_info_params(idx as u16, params);
}
}
ResourcePattern::Scope(rdef, filters) => {
if let Some(params) = rdef.match_prefix_with_params(req, tail) {
for filter in filters {
if !filter.check(req, state) {
continue 'outer;
}
}
return self.route_info_params(idx as u16, params);
}
}
}
}
}
None
}
}
impl Clone for Router {
fn clone(&self) -> Router {
Router(Rc::clone(&self.0))
RouteInfo {
params: Params::new(),
router: self.defs.clone(),
resource: RouterResource::Default,
}
}
}
@ -252,8 +445,8 @@ impl ResourceDef {
/// Parse path pattern and create new `Resource` instance.
///
/// Panics if path pattern is wrong.
pub fn new(name: &str, path: &str) -> Self {
ResourceDef::with_prefix(name, path, "/", false)
pub fn new(path: &str) -> Self {
ResourceDef::with_prefix(path, "/", false)
}
/// Parse path pattern and create new `Resource` instance.
@ -261,21 +454,21 @@ impl ResourceDef {
/// Use `prefix` type instead of `static`.
///
/// Panics if path regex pattern is wrong.
pub fn prefix(name: &str, path: &str) -> Self {
ResourceDef::with_prefix(name, path, "/", true)
pub fn prefix(path: &str) -> Self {
ResourceDef::with_prefix(path, "/", true)
}
/// Construct external resource
///
/// Panics if path pattern is wrong.
pub fn external(name: &str, path: &str) -> Self {
let mut resource = ResourceDef::with_prefix(name, path, "/", false);
pub fn external(path: &str) -> Self {
let mut resource = ResourceDef::with_prefix(path, "/", false);
resource.rtp = ResourceType::External;
resource
}
/// Parse path pattern and create new `Resource` instance with custom prefix
pub fn with_prefix(name: &str, path: &str, prefix: &str, for_prefix: bool) -> Self {
pub fn with_prefix(path: &str, prefix: &str, for_prefix: bool) -> Self {
let (pattern, elements, is_dynamic, len) =
ResourceDef::parse(path, prefix, for_prefix);
@ -299,20 +492,25 @@ impl ResourceDef {
ResourceDef {
tp,
elements,
name: name.into(),
name: "".to_string(),
rtp: ResourceType::Normal,
pattern: path.to_owned(),
}
}
/// Name of the resource
/// Resource type
pub fn rtype(&self) -> ResourceType {
self.rtp
}
/// Resource name
pub fn name(&self) -> &str {
&self.name
}
/// Resource type
pub fn rtype(&self) -> ResourceType {
self.rtp
/// Resource name
pub(crate) fn set_name(&mut self, name: &str) {
self.name = name.to_owned();
}
/// Path pattern of the resource
@ -443,7 +641,7 @@ impl ResourceDef {
return None;
};
let mut params = Params::with_url(req.url());
params.set_tail((plen + len) as u16);
params.set_tail(min(req.path().len(), plen + len) as u16);
Some(params)
}
}
@ -592,184 +790,152 @@ mod tests {
#[test]
fn test_recognizer10() {
let routes = vec![
(ResourceDef::new("", "/name"), Some(Resource::default())),
(
ResourceDef::new("", "/name/{val}"),
Some(Resource::default()),
),
(
ResourceDef::new("", "/name/{val}/index.html"),
Some(Resource::default()),
),
(
ResourceDef::new("", "/file/{file}.{ext}"),
Some(Resource::default()),
),
(
ResourceDef::new("", "/v{val}/{val2}/index.html"),
Some(Resource::default()),
),
(
ResourceDef::new("", "/v/{tail:.*}"),
Some(Resource::default()),
),
(
ResourceDef::new("", "/test2/{test}.html"),
Some(Resource::default()),
),
(
ResourceDef::new("", "{test}/index.html"),
Some(Resource::default()),
),
];
let (rec, _) = Router::new::<()>("", routes);
let mut router = Router::<()>::new();
router.register_resource(Resource::new(ResourceDef::new("/name")));
router.register_resource(Resource::new(ResourceDef::new("/name/{val}")));
router.register_resource(Resource::new(ResourceDef::new(
"/name/{val}/index.html",
)));
router.register_resource(Resource::new(ResourceDef::new("/file/{file}.{ext}")));
router.register_resource(Resource::new(ResourceDef::new(
"/v{val}/{val2}/index.html",
)));
router.register_resource(Resource::new(ResourceDef::new("/v/{tail:.*}")));
router.register_resource(Resource::new(ResourceDef::new("/test2/{test}.html")));
router.register_resource(Resource::new(ResourceDef::new("{test}/index.html")));
let req = TestRequest::with_uri("/name").finish();
assert_eq!(rec.recognize(&req).unwrap().0, 0);
assert!(req.match_info().is_empty());
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(0));
assert!(info.match_info().is_empty());
let req = TestRequest::with_uri("/name/value").finish();
let info = rec.recognize(&req).unwrap().1;
let req = req.with_route_info(info);
assert_eq!(req.match_info().get("val").unwrap(), "value");
assert_eq!(&req.match_info()["val"], "value");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(1));
assert_eq!(info.match_info().get("val").unwrap(), "value");
assert_eq!(&info.match_info()["val"], "value");
let req = TestRequest::with_uri("/name/value2/index.html").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 2);
let req = req.with_route_info(info.1);
assert_eq!(req.match_info().get("val").unwrap(), "value2");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(2));
assert_eq!(info.match_info().get("val").unwrap(), "value2");
let req = TestRequest::with_uri("/file/file.gz").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 3);
let req = req.with_route_info(info.1);
assert_eq!(req.match_info().get("file").unwrap(), "file");
assert_eq!(req.match_info().get("ext").unwrap(), "gz");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(3));
assert_eq!(info.match_info().get("file").unwrap(), "file");
assert_eq!(info.match_info().get("ext").unwrap(), "gz");
let req = TestRequest::with_uri("/vtest/ttt/index.html").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 4);
let req = req.with_route_info(info.1);
assert_eq!(req.match_info().get("val").unwrap(), "test");
assert_eq!(req.match_info().get("val2").unwrap(), "ttt");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(4));
assert_eq!(info.match_info().get("val").unwrap(), "test");
assert_eq!(info.match_info().get("val2").unwrap(), "ttt");
let req = TestRequest::with_uri("/v/blah-blah/index.html").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 5);
let req = req.with_route_info(info.1);
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(5));
assert_eq!(
req.match_info().get("tail").unwrap(),
info.match_info().get("tail").unwrap(),
"blah-blah/index.html"
);
let req = TestRequest::with_uri("/test2/index.html").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 6);
let req = req.with_route_info(info.1);
assert_eq!(req.match_info().get("test").unwrap(), "index");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(6));
assert_eq!(info.match_info().get("test").unwrap(), "index");
let req = TestRequest::with_uri("/bbb/index.html").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 7);
let req = req.with_route_info(info.1);
assert_eq!(req.match_info().get("test").unwrap(), "bbb");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(7));
assert_eq!(info.match_info().get("test").unwrap(), "bbb");
}
#[test]
fn test_recognizer_2() {
let routes = vec![
(
ResourceDef::new("", "/index.json"),
Some(Resource::default()),
),
(
ResourceDef::new("", "/{source}.json"),
Some(Resource::default()),
),
];
let (rec, _) = Router::new::<()>("", routes);
let mut router = Router::<()>::new();
router.register_resource(Resource::new(ResourceDef::new("/index.json")));
router.register_resource(Resource::new(ResourceDef::new("/{source}.json")));
let req = TestRequest::with_uri("/index.json").finish();
assert_eq!(rec.recognize(&req).unwrap().0, 0);
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(0));
let req = TestRequest::with_uri("/test.json").finish();
assert_eq!(rec.recognize(&req).unwrap().0, 1);
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(1));
}
#[test]
fn test_recognizer_with_prefix() {
let routes = vec![
(ResourceDef::new("", "/name"), Some(Resource::default())),
(
ResourceDef::new("", "/name/{val}"),
Some(Resource::default()),
),
];
let (rec, _) = Router::new::<()>("/test", routes);
let mut router = Router::<()>::new();
router.set_prefix("/test");
router.register_resource(Resource::new(ResourceDef::new("/name")));
router.register_resource(Resource::new(ResourceDef::new("/name/{val}")));
let req = TestRequest::with_uri("/name").finish();
assert!(rec.recognize(&req).is_none());
let info = router.recognize(&req, &(), 5);
assert_eq!(info.resource, RouterResource::Default);
let req = TestRequest::with_uri("/test/name").finish();
assert_eq!(rec.recognize(&req).unwrap().0, 0);
let info = router.recognize(&req, &(), 5);
assert_eq!(info.resource, RouterResource::Normal(0));
let req = TestRequest::with_uri("/test/name/value").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 1);
let req = req.with_route_info(info.1);
assert_eq!(req.match_info().get("val").unwrap(), "value");
assert_eq!(&req.match_info()["val"], "value");
let info = router.recognize(&req, &(), 5);
assert_eq!(info.resource, RouterResource::Normal(1));
assert_eq!(info.match_info().get("val").unwrap(), "value");
assert_eq!(&info.match_info()["val"], "value");
// same patterns
let routes = vec![
(ResourceDef::new("", "/name"), Some(Resource::default())),
(
ResourceDef::new("", "/name/{val}"),
Some(Resource::default()),
),
];
let (rec, _) = Router::new::<()>("/test2", routes);
let mut router = Router::<()>::new();
router.set_prefix("/test2");
router.register_resource(Resource::new(ResourceDef::new("/name")));
router.register_resource(Resource::new(ResourceDef::new("/name/{val}")));
let req = TestRequest::with_uri("/name").finish();
assert!(rec.recognize(&req).is_none());
let info = router.recognize(&req, &(), 6);
assert_eq!(info.resource, RouterResource::Default);
let req = TestRequest::with_uri("/test2/name").finish();
assert_eq!(rec.recognize(&req).unwrap().0, 0);
let info = router.recognize(&req, &(), 6);
assert_eq!(info.resource, RouterResource::Normal(0));
let req = TestRequest::with_uri("/test2/name-test").finish();
assert!(rec.recognize(&req).is_none());
let info = router.recognize(&req, &(), 6);
assert_eq!(info.resource, RouterResource::Default);
let req = TestRequest::with_uri("/test2/name/ttt").finish();
let info = rec.recognize(&req).unwrap();
assert_eq!(info.0, 1);
let req = req.with_route_info(info.1);
assert_eq!(&req.match_info()["val"], "ttt");
let info = router.recognize(&req, &(), 6);
assert_eq!(info.resource, RouterResource::Normal(1));
assert_eq!(&info.match_info()["val"], "ttt");
}
#[test]
fn test_parse_static() {
let re = ResourceDef::new("test", "/");
let re = ResourceDef::new("/");
assert!(re.is_match("/"));
assert!(!re.is_match("/a"));
let re = ResourceDef::new("test", "/name");
let re = ResourceDef::new("/name");
assert!(re.is_match("/name"));
assert!(!re.is_match("/name1"));
assert!(!re.is_match("/name/"));
assert!(!re.is_match("/name~"));
let re = ResourceDef::new("test", "/name/");
let re = ResourceDef::new("/name/");
assert!(re.is_match("/name/"));
assert!(!re.is_match("/name"));
assert!(!re.is_match("/name/gs"));
let re = ResourceDef::new("test", "/user/profile");
let re = ResourceDef::new("/user/profile");
assert!(re.is_match("/user/profile"));
assert!(!re.is_match("/user/profile/profile"));
}
#[test]
fn test_parse_param() {
let re = ResourceDef::new("test", "/user/{id}");
let re = ResourceDef::new("/user/{id}");
assert!(re.is_match("/user/profile"));
assert!(re.is_match("/user/2345"));
assert!(!re.is_match("/user/2345/"));
@ -783,7 +949,7 @@ mod tests {
let info = re.match_with_params(&req, 0, true).unwrap();
assert_eq!(info.get("id").unwrap(), "1245125");
let re = ResourceDef::new("test", "/v{version}/resource/{id}");
let re = ResourceDef::new("/v{version}/resource/{id}");
assert!(re.is_match("/v1/resource/320120"));
assert!(!re.is_match("/v/resource/1"));
assert!(!re.is_match("/resource"));
@ -796,14 +962,14 @@ mod tests {
#[test]
fn test_resource_prefix() {
let re = ResourceDef::prefix("test", "/name");
let re = ResourceDef::prefix("/name");
assert!(re.is_match("/name"));
assert!(re.is_match("/name/"));
assert!(re.is_match("/name/test/test"));
assert!(re.is_match("/name1"));
assert!(re.is_match("/name~"));
let re = ResourceDef::prefix("test", "/name/");
let re = ResourceDef::prefix("/name/");
assert!(re.is_match("/name/"));
assert!(re.is_match("/name/gs"));
assert!(!re.is_match("/name"));
@ -811,7 +977,7 @@ mod tests {
#[test]
fn test_reousrce_prefix_dynamic() {
let re = ResourceDef::prefix("test", "/{name}/");
let re = ResourceDef::prefix("/{name}/");
assert!(re.is_match("/name/"));
assert!(re.is_match("/name/gs"));
assert!(!re.is_match("/name"));
@ -829,28 +995,23 @@ mod tests {
#[test]
fn test_request_resource() {
let routes = vec![
(
ResourceDef::new("r1", "/index.json"),
Some(Resource::default()),
),
(
ResourceDef::new("r2", "/test.json"),
Some(Resource::default()),
),
];
let (router, _) = Router::new::<()>("", routes);
let mut router = Router::<()>::new();
let mut resource = Resource::new(ResourceDef::new("/index.json"));
resource.name("r1");
router.register_resource(resource);
let mut resource = Resource::new(ResourceDef::new("/test.json"));
resource.name("r2");
router.register_resource(resource);
let req = TestRequest::with_uri("/index.json").finish();
assert_eq!(router.recognize(&req).unwrap().0, 0);
let info = router.recognize(&req).unwrap().1;
let resource = info.resource().unwrap();
assert_eq!(resource.name(), "r1");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(0));
assert_eq!(info.name(), "r1");
let req = TestRequest::with_uri("/test.json").finish();
assert_eq!(router.recognize(&req).unwrap().0, 1);
let info = router.recognize(&req).unwrap().1;
let resource = info.resource().unwrap();
assert_eq!(resource.name(), "r2");
let info = router.recognize(&req, &(), 0);
assert_eq!(info.resource, RouterResource::Normal(1));
assert_eq!(info.name(), "r2");
}
}

215
src/scope.rs
View file

@ -6,7 +6,7 @@ use futures::{Async, Future, Poll};
use error::Error;
use handler::{AsyncResult, AsyncResultItem, FromRequest, Responder, RouteHandler};
use http::{Method, StatusCode};
use http::Method;
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
use middleware::{
@ -14,15 +14,10 @@ use middleware::{
Started as MiddlewareStarted,
};
use pred::Predicate;
use resource::{Resource, RouteId};
use router::ResourceDef;
use resource::{DefaultResource, Resource};
use router::{ResourceDef, Router};
use server::Request;
type ScopeResource<S> = Rc<Resource<S>>;
type Route<S> = Box<RouteHandler<S>>;
type ScopeResources<S> = Rc<Vec<(ResourceDef, ScopeResource<S>)>>;
type NestedInfo<S> = (ResourceDef, Route<S>, Vec<Box<Predicate<S>>>);
/// Resources scope
///
/// Scope is a set of resources with common root path.
@ -53,29 +48,31 @@ type NestedInfo<S> = (ResourceDef, Route<S>, Vec<Box<Predicate<S>>>);
/// * /{project_id}/path2 - `GET` requests
/// * /{project_id}/path3 - `HEAD` requests
///
#[derive(Default)]
pub struct Scope<S: 'static> {
pub struct Scope<S> {
rdef: ResourceDef,
router: Rc<Router<S>>,
filters: Vec<Box<Predicate<S>>>,
nested: Vec<NestedInfo<S>>,
middlewares: Rc<Vec<Box<Middleware<S>>>>,
default: Option<ScopeResource<S>>,
resources: ScopeResources<S>,
}
#[cfg_attr(feature = "cargo-clippy", allow(new_without_default_derive))]
impl<S: 'static> Scope<S> {
/// Create a new scope
// TODO: Why is this not exactly the default impl?
pub fn new() -> Scope<S> {
pub fn new(path: &str) -> Scope<S> {
Scope {
rdef: ResourceDef::prefix(path),
router: Rc::new(Router::new()),
filters: Vec::new(),
nested: Vec::new(),
resources: Rc::new(Vec::new()),
middlewares: Rc::new(Vec::new()),
default: None,
}
}
#[inline]
pub(crate) fn rdef(&self) -> &ResourceDef {
&self.rdef
}
#[inline]
pub(crate) fn take_filters(&mut self) -> Vec<Box<Predicate<S>>> {
mem::replace(&mut self.filters, Vec::new())
@ -132,11 +129,10 @@ impl<S: 'static> Scope<S> {
F: FnOnce(Scope<T>) -> Scope<T>,
{
let scope = Scope {
rdef: ResourceDef::prefix(path),
filters: Vec::new(),
nested: Vec::new(),
resources: Rc::new(Vec::new()),
router: Rc::new(Router::new()),
middlewares: Rc::new(Vec::new()),
default: None,
};
let mut scope = f(scope);
@ -146,8 +142,12 @@ impl<S: 'static> Scope<S> {
filters: scope.take_filters(),
})];
let handler = Box::new(Wrapper { scope, state });
self.nested
.push((ResourceDef::prefix("", &path), handler, filters));
Rc::get_mut(&mut self.router).unwrap().register_handler(
path,
handler,
Some(filters),
);
self
}
@ -175,17 +175,14 @@ impl<S: 'static> Scope<S> {
F: FnOnce(Scope<S>) -> Scope<S>,
{
let scope = Scope {
rdef: ResourceDef::prefix(&path),
filters: Vec::new(),
nested: Vec::new(),
resources: Rc::new(Vec::new()),
router: Rc::new(Router::new()),
middlewares: Rc::new(Vec::new()),
default: None,
};
let mut scope = f(scope);
let filters = scope.take_filters();
self.nested
.push((ResourceDef::prefix("", &path), Box::new(scope), filters));
Rc::get_mut(&mut self.router)
.unwrap()
.register_scope(f(scope));
self
}
@ -223,39 +220,9 @@ impl<S: 'static> Scope<S> {
R: Responder + 'static,
T: FromRequest<S> + 'static,
{
// check if we have resource handler
let mut found = false;
for &(ref pattern, _) in self.resources.iter() {
if pattern.pattern() == path {
found = true;
break;
}
}
if found {
let resources = Rc::get_mut(&mut self.resources)
.expect("Multiple scope references are not allowed");
for &mut (ref pattern, ref mut resource) in resources.iter_mut() {
if pattern.pattern() == path {
let res = Rc::get_mut(resource)
.expect("Multiple scope references are not allowed");
res.method(method).with(f);
break;
}
}
} else {
let mut handler = Resource::default();
handler.method(method).with(f);
let pattern = ResourceDef::with_prefix(
handler.get_name(),
path,
if path.is_empty() { "" } else { "/" },
false,
);
Rc::get_mut(&mut self.resources)
.expect("Can not use after configuration")
.push((pattern, Rc::new(handler)));
}
Rc::get_mut(&mut self.router)
.unwrap()
.register_route(path, method, f);
self
}
@ -286,20 +253,18 @@ impl<S: 'static> Scope<S> {
where
F: FnOnce(&mut Resource<S>) -> R + 'static,
{
// add resource handler
let mut handler = Resource::default();
f(&mut handler);
// add resource
let pattern = ResourceDef::with_prefix(
handler.get_name(),
path,
if path.is_empty() { "" } else { "/" },
false,
);
Rc::get_mut(&mut self.resources)
.expect("Can not use after configuration")
.push((pattern, Rc::new(handler)));
let mut resource = Resource::new(pattern);
f(&mut resource);
Rc::get_mut(&mut self.router)
.unwrap()
.register_resource(resource);
self
}
@ -308,14 +273,14 @@ impl<S: 'static> Scope<S> {
where
F: FnOnce(&mut Resource<S>) -> R + 'static,
{
if self.default.is_none() {
self.default = Some(Rc::new(Resource::default_not_found()));
}
{
let default = Rc::get_mut(self.default.as_mut().unwrap())
.expect("Multiple copies of default handler");
f(default);
}
// create and configure default resource
let mut resource = Resource::new(ResourceDef::new(""));
f(&mut resource);
Rc::get_mut(&mut self.router)
.expect("Multiple copies of scope router")
.register_default_resource(resource.into());
self
}
@ -339,64 +304,33 @@ impl<S: 'static> RouteHandler<S> for Scope<S> {
let tail = req.match_info().tail as usize;
// recognize resources
for &(ref pattern, ref resource) in self.resources.iter() {
if let Some(params) = pattern.match_with_params(req, tail, false) {
let req2 = req.with_route_info(req.route().merge(&params));
if let Some(id) = resource.get_route_id(&req2) {
if self.middlewares.is_empty() {
return resource.handle(id, &req2);
} else {
return AsyncResult::async(Box::new(Compose::new(
id,
req2,
Rc::clone(&self.middlewares),
Rc::clone(&resource),
)));
}
}
}
let info = self.router.match_with_params(req, req.state(), tail, false);
let req2 = req.with_route_info(info);
if self.middlewares.is_empty() {
self.router.handle(&req2)
} else {
AsyncResult::async(Box::new(Compose::new(
req2,
Rc::clone(&self.router),
Rc::clone(&self.middlewares),
)))
}
// nested scopes
'outer: for &(ref prefix, ref handler, ref filters) in &self.nested {
if let Some(params) = prefix.match_prefix_with_params(req, tail) {
let req2 = req.with_route_info(req.route().merge(&params));
let state = req.state();
for filter in filters {
if !filter.check(&req2, state) {
continue 'outer;
}
}
return handler.handle(&req2);
}
}
// default handler
if let Some(ref resource) = self.default {
if let Some(id) = resource.get_route_id(req) {
if self.middlewares.is_empty() {
return resource.handle(id, req);
} else {
return AsyncResult::async(Box::new(Compose::new(
id,
req.clone(),
Rc::clone(&self.middlewares),
Rc::clone(resource),
)));
}
}
}
AsyncResult::ok(HttpResponse::new(StatusCode::NOT_FOUND))
}
fn has_default_resource(&self) -> bool {
self.default.is_some()
self.router.has_default_resource()
}
fn default_resource(&mut self, default: ScopeResource<S>) {
self.default = Some(default);
fn default_resource(&mut self, default: DefaultResource<S>) {
Rc::get_mut(&mut self.router)
.expect("Can not use after configuration")
.register_default_resource(default);
}
fn finish(&mut self) {
Rc::get_mut(&mut self.router)
.expect("Can not use after configuration")
.finish();
}
}
@ -436,10 +370,9 @@ struct Compose<S: 'static> {
struct ComposeInfo<S: 'static> {
count: usize,
id: RouteId,
req: HttpRequest<S>,
router: Rc<Router<S>>,
mws: Rc<Vec<Box<Middleware<S>>>>,
resource: Rc<Resource<S>>,
}
enum ComposeState<S: 'static> {
@ -464,14 +397,12 @@ impl<S: 'static> ComposeState<S> {
impl<S: 'static> Compose<S> {
fn new(
id: RouteId, req: HttpRequest<S>, mws: Rc<Vec<Box<Middleware<S>>>>,
resource: Rc<Resource<S>>,
req: HttpRequest<S>, router: Rc<Router<S>>, mws: Rc<Vec<Box<Middleware<S>>>>,
) -> Self {
let mut info = ComposeInfo {
id,
mws,
req,
resource,
router,
count: 0,
};
let state = StartMiddlewares::init(&mut info);
@ -513,7 +444,7 @@ impl<S: 'static> StartMiddlewares<S> {
loop {
if info.count == len {
let reply = info.resource.handle(info.id, &info.req);
let reply = info.router.handle(&info.req);
return WaitingResponse::init(info, reply);
} else {
let result = info.mws[info.count].start(&info.req);
@ -552,7 +483,7 @@ impl<S: 'static> StartMiddlewares<S> {
}
loop {
if info.count == len {
let reply = { info.resource.handle(info.id, &info.req) };
let reply = info.router.handle(&info.req);
return Some(WaitingResponse::init(info, reply));
} else {
let result = info.mws[info.count].start(&info.req);
@ -979,9 +910,9 @@ mod tests {
})
.finish();
let req = TestRequest::with_uri("/app/t1").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
//let req = TestRequest::with_uri("/app/t1").request();
//let resp = app.run(req);
//assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let req = TestRequest::with_uri("/app/t1/").request();
let resp = app.run(req);

14
src/test.rs
View file

@ -535,11 +535,11 @@ impl<S: 'static> TestRequest<S> {
uri,
version,
headers,
params,
mut params,
cookies,
payload,
} = self;
let (router, _) = Router::new::<S>("/", Vec::new());
let router = Router::<()>::new();
let pool = RequestPool::pool(ServerSettings::default());
let mut req = RequestPool::get(pool);
@ -551,23 +551,24 @@ impl<S: 'static> TestRequest<S> {
inner.headers = headers;
*inner.payload.borrow_mut() = payload;
}
params.set_url(req.url().clone());
let mut req =
HttpRequest::new(req, Rc::new(state), router.route_info_params(params));
HttpRequest::new(req, Rc::new(state), router.route_info_params(0, params));
req.set_cookies(cookies);
req
}
#[cfg(test)]
/// Complete request creation and generate `HttpRequest` instance
pub(crate) fn finish_with_router(self, router: Router) -> HttpRequest<S> {
pub(crate) fn finish_with_router(self, router: Router<S>) -> HttpRequest<S> {
let TestRequest {
state,
method,
uri,
version,
headers,
params,
mut params,
cookies,
payload,
} = self;
@ -582,8 +583,9 @@ impl<S: 'static> TestRequest<S> {
inner.headers = headers;
*inner.payload.borrow_mut() = payload;
}
params.set_url(req.url().clone());
let mut req =
HttpRequest::new(req, Rc::new(state), router.route_info_params(params));
HttpRequest::new(req, Rc::new(state), router.route_info_params(0, params));
req.set_cookies(cookies);
req
}