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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `src/route.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>route.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
</pre><pre class="rust ">
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">marker</span>::<span class="ident">PhantomData</span>;
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">rc</span>::<span class="ident">Rc</span>;
|
||
|
||
<span class="kw">use</span> <span class="ident">futures</span>::{<span class="ident">Async</span>, <span class="ident">Future</span>, <span class="ident">Poll</span>};
|
||
|
||
<span class="kw">use</span> <span class="ident">error</span>::<span class="ident">Error</span>;
|
||
<span class="kw">use</span> <span class="ident">handler</span>::{
|
||
<span class="ident">AsyncHandler</span>, <span class="ident">AsyncResult</span>, <span class="ident">AsyncResultItem</span>, <span class="ident">FromRequest</span>, <span class="ident">Handler</span>, <span class="ident">Responder</span>,
|
||
<span class="ident">RouteHandler</span>, <span class="ident">WrapHandler</span>,
|
||
};
|
||
<span class="kw">use</span> <span class="ident">http</span>::<span class="ident">StatusCode</span>;
|
||
<span class="kw">use</span> <span class="ident">httprequest</span>::<span class="ident">HttpRequest</span>;
|
||
<span class="kw">use</span> <span class="ident">httpresponse</span>::<span class="ident">HttpResponse</span>;
|
||
<span class="kw">use</span> <span class="ident">middleware</span>::{
|
||
<span class="ident">Finished</span> <span class="kw">as</span> <span class="ident">MiddlewareFinished</span>, <span class="ident">Middleware</span>, <span class="ident">Response</span> <span class="kw">as</span> <span class="ident">MiddlewareResponse</span>,
|
||
<span class="ident">Started</span> <span class="kw">as</span> <span class="ident">MiddlewareStarted</span>,
|
||
};
|
||
<span class="kw">use</span> <span class="ident">pred</span>::<span class="ident">Predicate</span>;
|
||
<span class="kw">use</span> <span class="ident">with</span>::{<span class="ident">With</span>, <span class="ident">WithAsync</span>};
|
||
|
||
<span class="doccomment">/// Resource route definition</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// Route uses builder-like pattern for configuration.</span>
|
||
<span class="doccomment">/// If handler is not explicitly set, default *404 Not Found* handler is used.</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Route</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">preds</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>,
|
||
<span class="ident">handler</span>: <span class="ident">InnerHandler</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Default</span> <span class="kw">for</span> <span class="ident">Route</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">default</span>() <span class="op">-></span> <span class="ident">Route</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">Route</span> {
|
||
<span class="ident">preds</span>: <span class="ident">Vec</span>::<span class="ident">new</span>(),
|
||
<span class="ident">handler</span>: <span class="ident">InnerHandler</span>::<span class="ident">new</span>(<span class="op">|</span><span class="kw">_</span>: <span class="kw-2">&</span><span class="kw">_</span><span class="op">|</span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">NOT_FOUND</span>)),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Route</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">check</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="kw">let</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">req</span>.<span class="ident">state</span>();
|
||
<span class="kw">for</span> <span class="ident">pred</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">preds</span> {
|
||
<span class="kw">if</span> <span class="op">!</span><span class="ident">pred</span>.<span class="ident">check</span>(<span class="ident">req</span>, <span class="ident">state</span>) {
|
||
<span class="kw">return</span> <span class="bool-val">false</span>;
|
||
}
|
||
}
|
||
<span class="bool-val">true</span>
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">handle</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">AsyncResult</span><span class="op"><</span><span class="ident">HttpResponse</span><span class="op">></span> {
|
||
<span class="self">self</span>.<span class="ident">handler</span>.<span class="ident">handle</span>(<span class="ident">req</span>)
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">compose</span>(
|
||
<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">mws</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Middleware</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">>></span>,
|
||
) <span class="op">-></span> <span class="ident">AsyncResult</span><span class="op"><</span><span class="ident">HttpResponse</span><span class="op">></span> {
|
||
<span class="ident">AsyncResult</span>::<span class="ident">async</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">Compose</span>::<span class="ident">new</span>(<span class="ident">req</span>, <span class="ident">mws</span>, <span class="self">self</span>.<span class="ident">handler</span>.<span class="ident">clone</span>())))
|
||
}
|
||
|
||
<span class="doccomment">/// Add match predicate to route.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// # use actix_web::*;</span>
|
||
<span class="doccomment">/// # fn main() {</span>
|
||
<span class="doccomment">/// App::new().resource("/path", |r| {</span>
|
||
<span class="doccomment">/// r.route()</span>
|
||
<span class="doccomment">/// .filter(pred::Get())</span>
|
||
<span class="doccomment">/// .filter(pred::Header("content-type", "text/plain"))</span>
|
||
<span class="doccomment">/// .f(|req| HttpResponse::Ok())</span>
|
||
<span class="doccomment">/// })</span>
|
||
<span class="doccomment">/// # .finish();</span>
|
||
<span class="doccomment">/// # }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">filter</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">Predicate</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">p</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">Self</span> {
|
||
<span class="self">self</span>.<span class="ident">preds</span>.<span class="ident">push</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">p</span>));
|
||
<span class="self">self</span>
|
||
}
|
||
|
||
<span class="doccomment">/// Set handler object. Usually call to this method is last call</span>
|
||
<span class="doccomment">/// during route configuration, so it does not return reference to self.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">h</span><span class="op"><</span><span class="ident">H</span>: <span class="ident">Handler</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">handler</span>: <span class="ident">H</span>) {
|
||
<span class="self">self</span>.<span class="ident">handler</span> <span class="op">=</span> <span class="ident">InnerHandler</span>::<span class="ident">new</span>(<span class="ident">handler</span>);
|
||
}
|
||
|
||
<span class="doccomment">/// Set handler function. Usually call to this method is last call</span>
|
||
<span class="doccomment">/// during route configuration, so it does not return reference to self.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">f</span><span class="op"><</span><span class="ident">F</span>, <span class="ident">R</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">handler</span>: <span class="ident">F</span>)
|
||
<span class="kw">where</span>
|
||
<span class="ident">F</span>: <span class="ident">Fn</span>(<span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">R</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">R</span>: <span class="ident">Responder</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="self">self</span>.<span class="ident">handler</span> <span class="op">=</span> <span class="ident">InnerHandler</span>::<span class="ident">new</span>(<span class="ident">handler</span>);
|
||
}
|
||
|
||
<span class="doccomment">/// Set async handler function.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">a</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">R</span>, <span class="ident">F</span>, <span class="ident">E</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">handler</span>: <span class="ident">H</span>)
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">Fn</span>(<span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">F</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">F</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">R</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">R</span>: <span class="ident">Responder</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">E</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Error</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="self">self</span>.<span class="ident">handler</span> <span class="op">=</span> <span class="ident">InnerHandler</span>::<span class="ident">async</span>(<span class="ident">handler</span>);
|
||
}
|
||
|
||
<span class="doccomment">/// Set handler function, use request extractor for parameters.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate bytes;</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// # extern crate futures;</span>
|
||
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
|
||
<span class="doccomment">/// use actix_web::{http, App, Path, Result};</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// #[derive(Deserialize)]</span>
|
||
<span class="doccomment">/// struct Info {</span>
|
||
<span class="doccomment">/// username: String,</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// /// extract path info using serde</span>
|
||
<span class="doccomment">/// fn index(info: Path<Info>) -> Result<String> {</span>
|
||
<span class="doccomment">/// Ok(format!("Welcome {}!", info.username))</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// fn main() {</span>
|
||
<span class="doccomment">/// let app = App::new().resource(</span>
|
||
<span class="doccomment">/// "/{username}/index.html", // <- define path parameters</span>
|
||
<span class="doccomment">/// |r| r.method(http::Method::GET).with(index),</span>
|
||
<span class="doccomment">/// ); // <- use `with` extractor</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// It is possible to use tuples for specifing multiple extractors for one</span>
|
||
<span class="doccomment">/// handler function.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate bytes;</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// # extern crate futures;</span>
|
||
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
|
||
<span class="doccomment">/// # use std::collections::HashMap;</span>
|
||
<span class="doccomment">/// use actix_web::{http, App, Json, Path, Query, Result};</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// #[derive(Deserialize)]</span>
|
||
<span class="doccomment">/// struct Info {</span>
|
||
<span class="doccomment">/// username: String,</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// /// extract path info using serde</span>
|
||
<span class="doccomment">/// fn index(</span>
|
||
<span class="doccomment">/// info: (Path<Info>, Query<HashMap<String, String>>, Json<Info>),</span>
|
||
<span class="doccomment">/// ) -> Result<String> {</span>
|
||
<span class="doccomment">/// Ok(format!("Welcome {}!", info.0.username))</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// fn main() {</span>
|
||
<span class="doccomment">/// let app = App::new().resource(</span>
|
||
<span class="doccomment">/// "/{username}/index.html", // <- define path parameters</span>
|
||
<span class="doccomment">/// |r| r.method(http::Method::GET).with(index),</span>
|
||
<span class="doccomment">/// ); // <- use `with` extractor</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">F</span>, <span class="ident">R</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">handler</span>: <span class="ident">F</span>)
|
||
<span class="kw">where</span>
|
||
<span class="ident">F</span>: <span class="ident">Fn</span>(<span class="ident">T</span>) <span class="op">-></span> <span class="ident">R</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">R</span>: <span class="ident">Responder</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="self">self</span>.<span class="ident">h</span>(<span class="ident">With</span>::<span class="ident">new</span>(<span class="ident">handler</span>, <span class="op"><</span><span class="ident">T</span>::<span class="ident">Config</span> <span class="kw">as</span> <span class="ident">Default</span><span class="op">></span>::<span class="ident">default</span>()));
|
||
}
|
||
|
||
<span class="doccomment">/// Set handler function. Same as `.with()` but it allows to configure</span>
|
||
<span class="doccomment">/// extractor.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate bytes;</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// # extern crate futures;</span>
|
||
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
|
||
<span class="doccomment">/// use actix_web::{http, App, Path, Result};</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// /// extract text data from request</span>
|
||
<span class="doccomment">/// fn index(body: String) -> Result<String> {</span>
|
||
<span class="doccomment">/// Ok(format!("Body {}!", body))</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// fn main() {</span>
|
||
<span class="doccomment">/// let app = App::new().resource("/index.html", |r| {</span>
|
||
<span class="doccomment">/// r.method(http::Method::GET)</span>
|
||
<span class="doccomment">/// .with_config(index, |cfg| { // <- register handler</span>
|
||
<span class="doccomment">/// cfg.limit(4096); // <- limit size of the payload</span>
|
||
<span class="doccomment">/// })</span>
|
||
<span class="doccomment">/// });</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_config</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">F</span>, <span class="ident">R</span>, <span class="ident">C</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">handler</span>: <span class="ident">F</span>, <span class="ident">cfg_f</span>: <span class="ident">C</span>)
|
||
<span class="kw">where</span>
|
||
<span class="ident">F</span>: <span class="ident">Fn</span>(<span class="ident">T</span>) <span class="op">-></span> <span class="ident">R</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">R</span>: <span class="ident">Responder</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">C</span>: <span class="ident">FnOnce</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">T</span>::<span class="ident">Config</span>),
|
||
{
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cfg</span> <span class="op">=</span> <span class="op"><</span><span class="ident">T</span>::<span class="ident">Config</span> <span class="kw">as</span> <span class="ident">Default</span><span class="op">></span>::<span class="ident">default</span>();
|
||
<span class="ident">cfg_f</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">cfg</span>);
|
||
<span class="self">self</span>.<span class="ident">h</span>(<span class="ident">With</span>::<span class="ident">new</span>(<span class="ident">handler</span>, <span class="ident">cfg</span>));
|
||
}
|
||
|
||
<span class="doccomment">/// Set async handler function, use request extractor for parameters.</span>
|
||
<span class="doccomment">/// Also this method needs to be used if your handler function returns</span>
|
||
<span class="doccomment">/// `impl Future<>`</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate bytes;</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// # extern crate futures;</span>
|
||
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
|
||
<span class="doccomment">/// use actix_web::{http, App, Error, Path};</span>
|
||
<span class="doccomment">/// use futures::Future;</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// #[derive(Deserialize)]</span>
|
||
<span class="doccomment">/// struct Info {</span>
|
||
<span class="doccomment">/// username: String,</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// /// extract path info using serde</span>
|
||
<span class="doccomment">/// fn index(info: Path<Info>) -> Box<Future<Item = &'static str, Error = Error>> {</span>
|
||
<span class="doccomment">/// unimplemented!()</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// fn main() {</span>
|
||
<span class="doccomment">/// let app = App::new().resource(</span>
|
||
<span class="doccomment">/// "/{username}/index.html", // <- define path parameters</span>
|
||
<span class="doccomment">/// |r| r.method(http::Method::GET).with_async(index),</span>
|
||
<span class="doccomment">/// ); // <- use `with` extractor</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_async</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">F</span>, <span class="ident">R</span>, <span class="ident">I</span>, <span class="ident">E</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">handler</span>: <span class="ident">F</span>)
|
||
<span class="kw">where</span>
|
||
<span class="ident">F</span>: <span class="ident">Fn</span>(<span class="ident">T</span>) <span class="op">-></span> <span class="ident">R</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">R</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">I</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">I</span>: <span class="ident">Responder</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">E</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Error</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="self">self</span>.<span class="ident">h</span>(<span class="ident">WithAsync</span>::<span class="ident">new</span>(<span class="ident">handler</span>, <span class="op"><</span><span class="ident">T</span>::<span class="ident">Config</span> <span class="kw">as</span> <span class="ident">Default</span><span class="op">></span>::<span class="ident">default</span>()));
|
||
}
|
||
|
||
<span class="doccomment">/// Set async handler function, use request extractor for parameters.</span>
|
||
<span class="doccomment">/// This method allows to configure extractor.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// ```rust</span>
|
||
<span class="doccomment">/// # extern crate bytes;</span>
|
||
<span class="doccomment">/// # extern crate actix_web;</span>
|
||
<span class="doccomment">/// # extern crate futures;</span>
|
||
<span class="doccomment">/// #[macro_use] extern crate serde_derive;</span>
|
||
<span class="doccomment">/// use actix_web::{http, App, Error, Form};</span>
|
||
<span class="doccomment">/// use futures::Future;</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// #[derive(Deserialize)]</span>
|
||
<span class="doccomment">/// struct Info {</span>
|
||
<span class="doccomment">/// username: String,</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// /// extract path info using serde</span>
|
||
<span class="doccomment">/// fn index(info: Form<Info>) -> Box<Future<Item = &'static str, Error = Error>> {</span>
|
||
<span class="doccomment">/// unimplemented!()</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// fn main() {</span>
|
||
<span class="doccomment">/// let app = App::new().resource(</span>
|
||
<span class="doccomment">/// "/{username}/index.html", // <- define path parameters</span>
|
||
<span class="doccomment">/// |r| r.method(http::Method::GET)</span>
|
||
<span class="doccomment">/// .with_async_config(index, |cfg| {</span>
|
||
<span class="doccomment">/// cfg.limit(4096);</span>
|
||
<span class="doccomment">/// }),</span>
|
||
<span class="doccomment">/// ); // <- use `with` extractor</span>
|
||
<span class="doccomment">/// }</span>
|
||
<span class="doccomment">/// ```</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">with_async_config</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">F</span>, <span class="ident">R</span>, <span class="ident">I</span>, <span class="ident">E</span>, <span class="ident">C</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">handler</span>: <span class="ident">F</span>, <span class="ident">cfg</span>: <span class="ident">C</span>)
|
||
<span class="kw">where</span>
|
||
<span class="ident">F</span>: <span class="ident">Fn</span>(<span class="ident">T</span>) <span class="op">-></span> <span class="ident">R</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">R</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">I</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">I</span>: <span class="ident">Responder</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">E</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Error</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">T</span>: <span class="ident">FromRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">C</span>: <span class="ident">FnOnce</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">T</span>::<span class="ident">Config</span>),
|
||
{
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">extractor_cfg</span> <span class="op">=</span> <span class="op"><</span><span class="ident">T</span>::<span class="ident">Config</span> <span class="kw">as</span> <span class="ident">Default</span><span class="op">></span>::<span class="ident">default</span>();
|
||
<span class="ident">cfg</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">extractor_cfg</span>);
|
||
<span class="self">self</span>.<span class="ident">h</span>(<span class="ident">WithAsync</span>::<span class="ident">new</span>(<span class="ident">handler</span>, <span class="ident">extractor_cfg</span>));
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// `RouteHandler` wrapper. This struct is required because it needs to be</span>
|
||
<span class="doccomment">/// shared for resource level middlewares.</span>
|
||
<span class="kw">struct</span> <span class="ident">InnerHandler</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="ident">Rc</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">RouteHandler</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">></span>);
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">InnerHandler</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">new</span><span class="op"><</span><span class="ident">H</span>: <span class="ident">Handler</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span>(<span class="ident">h</span>: <span class="ident">H</span>) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="ident">InnerHandler</span>(<span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">WrapHandler</span>::<span class="ident">new</span>(<span class="ident">h</span>))))
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">async</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">R</span>, <span class="ident">F</span>, <span class="ident">E</span><span class="op">></span>(<span class="ident">h</span>: <span class="ident">H</span>) <span class="op">-></span> <span class="self">Self</span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">Fn</span>(<span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">F</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">F</span>: <span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">R</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">R</span>: <span class="ident">Responder</span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
<span class="ident">E</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Error</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>,
|
||
{
|
||
<span class="ident">InnerHandler</span>(<span class="ident">Rc</span>::<span class="ident">new</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">AsyncHandler</span>::<span class="ident">new</span>(<span class="ident">h</span>))))
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">handle</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">AsyncResult</span><span class="op"><</span><span class="ident">HttpResponse</span><span class="op">></span> {
|
||
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>(<span class="ident">req</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Clone</span> <span class="kw">for</span> <span class="ident">InnerHandler</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">clone</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="ident">InnerHandler</span>(<span class="ident">Rc</span>::<span class="ident">clone</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>))
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Compose resource level middlewares with route handler.</span>
|
||
<span class="kw">struct</span> <span class="ident">Compose</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> {
|
||
<span class="ident">info</span>: <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
<span class="ident">state</span>: <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">struct</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> {
|
||
<span class="ident">count</span>: <span class="ident">usize</span>,
|
||
<span class="ident">req</span>: <span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
<span class="ident">mws</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Middleware</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">>></span>,
|
||
<span class="ident">handler</span>: <span class="ident">InnerHandler</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">enum</span> <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> {
|
||
<span class="ident">Starting</span>(<span class="ident">StartMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),
|
||
<span class="ident">Handler</span>(<span class="ident">WaitingResponse</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),
|
||
<span class="ident">RunMiddlewares</span>(<span class="ident">RunMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),
|
||
<span class="ident">Finishing</span>(<span class="ident">FinishingMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),
|
||
<span class="ident">Completed</span>(<span class="ident">Response</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>),
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span> {
|
||
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
|
||
<span class="ident">ComposeState</span>::<span class="ident">Starting</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">state</span>) <span class="op">=></span> <span class="ident">state</span>.<span class="ident">poll</span>(<span class="ident">info</span>),
|
||
<span class="ident">ComposeState</span>::<span class="ident">Handler</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">state</span>) <span class="op">=></span> <span class="ident">state</span>.<span class="ident">poll</span>(<span class="ident">info</span>),
|
||
<span class="ident">ComposeState</span>::<span class="ident">RunMiddlewares</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">state</span>) <span class="op">=></span> <span class="ident">state</span>.<span class="ident">poll</span>(<span class="ident">info</span>),
|
||
<span class="ident">ComposeState</span>::<span class="ident">Finishing</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">state</span>) <span class="op">=></span> <span class="ident">state</span>.<span class="ident">poll</span>(<span class="ident">info</span>),
|
||
<span class="ident">ComposeState</span>::<span class="ident">Completed</span>(<span class="kw">_</span>) <span class="op">=></span> <span class="prelude-val">None</span>,
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Compose</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">new</span>(
|
||
<span class="ident">req</span>: <span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">mws</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Middleware</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span><span class="op">>></span>, <span class="ident">handler</span>: <span class="ident">InnerHandler</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">ComposeInfo</span> {
|
||
<span class="ident">count</span>: <span class="number">0</span>,
|
||
<span class="ident">req</span>,
|
||
<span class="ident">mws</span>,
|
||
<span class="ident">handler</span>,
|
||
};
|
||
<span class="kw">let</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">StartMiddlewares</span>::<span class="ident">init</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">info</span>);
|
||
|
||
<span class="ident">Compose</span> { <span class="ident">state</span>, <span class="ident">info</span> }
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Future</span> <span class="kw">for</span> <span class="ident">Compose</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">HttpResponse</span>;
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Item</span>, <span class="self">Self</span>::<span class="ident">Error</span><span class="op">></span> {
|
||
<span class="kw">loop</span> {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">ComposeState</span>::<span class="ident">Completed</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">resp</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">state</span> {
|
||
<span class="kw">let</span> <span class="ident">resp</span> <span class="op">=</span> <span class="ident">resp</span>.<span class="ident">resp</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>();
|
||
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">resp</span>));
|
||
}
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">state</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">state</span>.<span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">info</span>) {
|
||
<span class="self">self</span>.<span class="ident">state</span> <span class="op">=</span> <span class="ident">state</span>;
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Middlewares start executor</span>
|
||
<span class="kw">struct</span> <span class="ident">StartMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">fut</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Fut</span><span class="op">></span>,
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">type</span> <span class="ident">Fut</span> <span class="op">=</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">HttpResponse</span><span class="op">></span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span>;
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">StartMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">init</span>(<span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>.<span class="ident">len</span>();
|
||
|
||
<span class="kw">loop</span> {
|
||
<span class="kw">if</span> <span class="ident">info</span>.<span class="ident">count</span> <span class="op">==</span> <span class="ident">len</span> {
|
||
<span class="kw">let</span> <span class="ident">reply</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">handler</span>.<span class="ident">handle</span>(<span class="kw-2">&</span><span class="ident">info</span>.<span class="ident">req</span>);
|
||
<span class="kw">return</span> <span class="ident">WaitingResponse</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">reply</span>);
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>[<span class="ident">info</span>.<span class="ident">count</span>].<span class="ident">start</span>(<span class="kw-2">&</span><span class="ident">info</span>.<span class="ident">req</span>);
|
||
<span class="kw">match</span> <span class="ident">result</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareStarted</span>::<span class="ident">Done</span>) <span class="op">=></span> <span class="ident">info</span>.<span class="ident">count</span> <span class="op">+=</span> <span class="number">1</span>,
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareStarted</span>::<span class="ident">Response</span>(<span class="ident">resp</span>)) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">resp</span>);
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareStarted</span>::<span class="ident">Future</span>(<span class="ident">fut</span>)) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="ident">ComposeState</span>::<span class="ident">Starting</span>(<span class="ident">StartMiddlewares</span> {
|
||
<span class="ident">fut</span>: <span class="prelude-val">Some</span>(<span class="ident">fut</span>),
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span>,
|
||
});
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>());
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span> {
|
||
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>.<span class="ident">len</span>();
|
||
|
||
<span class="lifetime">'outer</span>: <span class="kw">loop</span> {
|
||
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">fut</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">poll</span>() {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="prelude-val">None</span>;
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">resp</span>)) <span class="op">=></span> {
|
||
<span class="ident">info</span>.<span class="ident">count</span> <span class="op">+=</span> <span class="number">1</span>;
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">resp</span>) <span class="op">=</span> <span class="ident">resp</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">resp</span>));
|
||
}
|
||
<span class="kw">loop</span> {
|
||
<span class="kw">if</span> <span class="ident">info</span>.<span class="ident">count</span> <span class="op">==</span> <span class="ident">len</span> {
|
||
<span class="kw">let</span> <span class="ident">reply</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">handler</span>.<span class="ident">handle</span>(<span class="kw-2">&</span><span class="ident">info</span>.<span class="ident">req</span>);
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">WaitingResponse</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">reply</span>));
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>[<span class="ident">info</span>.<span class="ident">count</span>].<span class="ident">start</span>(<span class="kw-2">&</span><span class="ident">info</span>.<span class="ident">req</span>);
|
||
<span class="kw">match</span> <span class="ident">result</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareStarted</span>::<span class="ident">Done</span>) <span class="op">=></span> <span class="ident">info</span>.<span class="ident">count</span> <span class="op">+=</span> <span class="number">1</span>,
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareStarted</span>::<span class="ident">Response</span>(<span class="ident">resp</span>)) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">resp</span>));
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareStarted</span>::<span class="ident">Future</span>(<span class="ident">fut</span>)) <span class="op">=></span> {
|
||
<span class="self">self</span>.<span class="ident">fut</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">fut</span>);
|
||
<span class="kw">continue</span> <span class="lifetime">'outer</span>;
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>()));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>()));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">type</span> <span class="ident">HandlerFuture</span> <span class="op">=</span> <span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">HttpResponse</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">></span>;
|
||
|
||
<span class="comment">// waiting for response</span>
|
||
<span class="kw">struct</span> <span class="ident">WaitingResponse</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">fut</span>: <span class="ident">Box</span><span class="op"><</span><span class="ident">HandlerFuture</span><span class="op">></span>,
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">WaitingResponse</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">init</span>(
|
||
<span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">reply</span>: <span class="ident">AsyncResult</span><span class="op"><</span><span class="ident">HttpResponse</span><span class="op">></span>,
|
||
) <span class="op">-></span> <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">match</span> <span class="ident">reply</span>.<span class="ident">into</span>() {
|
||
<span class="ident">AsyncResultItem</span>::<span class="prelude-val">Ok</span>(<span class="ident">resp</span>) <span class="op">=></span> <span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">resp</span>),
|
||
<span class="ident">AsyncResultItem</span>::<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>()),
|
||
<span class="ident">AsyncResultItem</span>::<span class="ident">Future</span>(<span class="ident">fut</span>) <span class="op">=></span> <span class="ident">ComposeState</span>::<span class="ident">Handler</span>(<span class="ident">WaitingResponse</span> {
|
||
<span class="ident">fut</span>,
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span>,
|
||
}),
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span> {
|
||
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">fut</span>.<span class="ident">poll</span>() {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) <span class="op">=></span> <span class="prelude-val">None</span>,
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">resp</span>)) <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">resp</span>)),
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="ident">RunMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>())),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Middlewares response executor</span>
|
||
<span class="kw">struct</span> <span class="ident">RunMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">curr</span>: <span class="ident">usize</span>,
|
||
<span class="ident">fut</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">HttpResponse</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span><span class="op">></span>,
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">RunMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">init</span>(<span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="kw-2">mut</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span>) <span class="op">-></span> <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">curr</span> <span class="op">=</span> <span class="number">0</span>;
|
||
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>.<span class="ident">len</span>();
|
||
|
||
<span class="kw">loop</span> {
|
||
<span class="kw">let</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>[<span class="ident">curr</span>].<span class="ident">response</span>(<span class="kw-2">&</span><span class="ident">info</span>.<span class="ident">req</span>, <span class="ident">resp</span>);
|
||
<span class="ident">resp</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">state</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="ident">info</span>.<span class="ident">count</span> <span class="op">=</span> <span class="ident">curr</span> <span class="op">+</span> <span class="number">1</span>;
|
||
<span class="kw">return</span> <span class="ident">FinishingMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>());
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareResponse</span>::<span class="ident">Done</span>(<span class="ident">r</span>)) <span class="op">=></span> {
|
||
<span class="ident">curr</span> <span class="op">+=</span> <span class="number">1</span>;
|
||
<span class="kw">if</span> <span class="ident">curr</span> <span class="op">==</span> <span class="ident">len</span> {
|
||
<span class="kw">return</span> <span class="ident">FinishingMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">r</span>);
|
||
} <span class="kw">else</span> {
|
||
<span class="ident">r</span>
|
||
}
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareResponse</span>::<span class="ident">Future</span>(<span class="ident">fut</span>)) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="ident">ComposeState</span>::<span class="ident">RunMiddlewares</span>(<span class="ident">RunMiddlewares</span> {
|
||
<span class="ident">curr</span>,
|
||
<span class="ident">fut</span>: <span class="prelude-val">Some</span>(<span class="ident">fut</span>),
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span>,
|
||
});
|
||
}
|
||
};
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span> {
|
||
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>.<span class="ident">len</span>();
|
||
|
||
<span class="kw">loop</span> {
|
||
<span class="comment">// poll latest fut</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">resp</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">fut</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">poll</span>() {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">None</span>,
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="ident">resp</span>)) <span class="op">=></span> {
|
||
<span class="self">self</span>.<span class="ident">curr</span> <span class="op">+=</span> <span class="number">1</span>;
|
||
<span class="ident">resp</span>
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">FinishingMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>())),
|
||
};
|
||
|
||
<span class="kw">loop</span> {
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">curr</span> <span class="op">==</span> <span class="ident">len</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">FinishingMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">resp</span>));
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>[<span class="self">self</span>.<span class="ident">curr</span>].<span class="ident">response</span>(<span class="kw-2">&</span><span class="ident">info</span>.<span class="ident">req</span>, <span class="ident">resp</span>);
|
||
<span class="kw">match</span> <span class="ident">state</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">FinishingMiddlewares</span>::<span class="ident">init</span>(<span class="ident">info</span>, <span class="ident">err</span>.<span class="ident">into</span>()))
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareResponse</span>::<span class="ident">Done</span>(<span class="ident">r</span>)) <span class="op">=></span> {
|
||
<span class="self">self</span>.<span class="ident">curr</span> <span class="op">+=</span> <span class="number">1</span>;
|
||
<span class="ident">resp</span> <span class="op">=</span> <span class="ident">r</span>
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">MiddlewareResponse</span>::<span class="ident">Future</span>(<span class="ident">fut</span>)) <span class="op">=></span> {
|
||
<span class="self">self</span>.<span class="ident">fut</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">fut</span>);
|
||
<span class="kw">break</span>;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Middlewares start executor</span>
|
||
<span class="kw">struct</span> <span class="ident">FinishingMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">resp</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">HttpResponse</span><span class="op">></span>,
|
||
<span class="ident">fut</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">Future</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> (), <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">>></span><span class="op">></span>,
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">FinishingMiddlewares</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">init</span>(<span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">resp</span>: <span class="ident">HttpResponse</span>) <span class="op">-></span> <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="ident">info</span>.<span class="ident">count</span> <span class="op">==</span> <span class="number">0</span> {
|
||
<span class="ident">Response</span>::<span class="ident">init</span>(<span class="ident">resp</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">FinishingMiddlewares</span> {
|
||
<span class="ident">resp</span>: <span class="prelude-val">Some</span>(<span class="ident">resp</span>),
|
||
<span class="ident">fut</span>: <span class="prelude-val">None</span>,
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span>,
|
||
};
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">st</span>) <span class="op">=</span> <span class="ident">state</span>.<span class="ident">poll</span>(<span class="ident">info</span>) {
|
||
<span class="ident">st</span>
|
||
} <span class="kw">else</span> {
|
||
<span class="ident">ComposeState</span>::<span class="ident">Finishing</span>(<span class="ident">state</span>)
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ComposeInfo</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">>></span> {
|
||
<span class="kw">loop</span> {
|
||
<span class="comment">// poll latest fut</span>
|
||
<span class="kw">let</span> <span class="ident">not_ready</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="kw-2">mut</span> <span class="ident">fut</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">fut</span> {
|
||
<span class="kw">match</span> <span class="ident">fut</span>.<span class="ident">poll</span>() {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) <span class="op">=></span> <span class="bool-val">true</span>,
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(())) <span class="op">=></span> <span class="bool-val">false</span>,
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="macro">error</span><span class="macro">!</span>(<span class="string">"Middleware finish error: {}"</span>, <span class="ident">err</span>);
|
||
<span class="bool-val">false</span>
|
||
}
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="bool-val">false</span>
|
||
};
|
||
<span class="kw">if</span> <span class="ident">not_ready</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">None</span>;
|
||
}
|
||
<span class="self">self</span>.<span class="ident">fut</span> <span class="op">=</span> <span class="prelude-val">None</span>;
|
||
<span class="kw">if</span> <span class="ident">info</span>.<span class="ident">count</span> <span class="op">==</span> <span class="number">0</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Response</span>::<span class="ident">init</span>(<span class="self">self</span>.<span class="ident">resp</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>()));
|
||
}
|
||
|
||
<span class="ident">info</span>.<span class="ident">count</span> <span class="op">-=</span> <span class="number">1</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">state</span> <span class="op">=</span> <span class="ident">info</span>.<span class="ident">mws</span>[<span class="ident">info</span>.<span class="ident">count</span> <span class="kw">as</span> <span class="ident">usize</span>]
|
||
.<span class="ident">finish</span>(<span class="kw-2">&</span><span class="ident">info</span>.<span class="ident">req</span>, <span class="self">self</span>.<span class="ident">resp</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>());
|
||
<span class="kw">match</span> <span class="ident">state</span> {
|
||
<span class="ident">MiddlewareFinished</span>::<span class="ident">Done</span> <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">info</span>.<span class="ident">count</span> <span class="op">==</span> <span class="number">0</span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">Response</span>::<span class="ident">init</span>(<span class="self">self</span>.<span class="ident">resp</span>.<span class="ident">take</span>().<span class="ident">unwrap</span>()));
|
||
}
|
||
}
|
||
<span class="ident">MiddlewareFinished</span>::<span class="ident">Future</span>(<span class="ident">fut</span>) <span class="op">=></span> {
|
||
<span class="self">self</span>.<span class="ident">fut</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">fut</span>);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">struct</span> <span class="ident">Response</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">resp</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">HttpResponse</span><span class="op">></span>,
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Response</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">init</span>(<span class="ident">resp</span>: <span class="ident">HttpResponse</span>) <span class="op">-></span> <span class="ident">ComposeState</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="ident">ComposeState</span>::<span class="ident">Completed</span>(<span class="ident">Response</span> {
|
||
<span class="ident">resp</span>: <span class="prelude-val">Some</span>(<span class="ident">resp</span>),
|
||
<span class="ident">_s</span>: <span class="ident">PhantomData</span>,
|
||
})
|
||
}
|
||
}
|
||
</pre>
|
||
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