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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="API documentation for the Rust `HttpHandlerTask` trait in crate `actix_web`."><meta name="keywords" content="rust, rustlang, rust-lang, HttpHandlerTask"><title>actix_web::server::HttpHandlerTask - Rust</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 trait"><!--[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><p class='location'>Trait HttpHandlerTask</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.poll_io">poll_io</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.poll_completed">poll_completed</a><a href="#method.disconnected">disconnected</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-HttpHandlerTask">Box<HttpHandlerTask></a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>actix_web</a>::<wbr><a href='index.html'>server</a></p><script>window.sidebarCurrent = {name: 'HttpHandlerTask', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></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"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/actix_web/server/handler.rs.html#26-37' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../index.html'>actix_web</a>::<wbr><a href='index.html'>server</a>::<wbr><a class="trait" href=''>HttpHandlerTask</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait HttpHandlerTask {
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fn <a href='#tymethod.poll_io' class='fnname'>poll_io</a>(&mut self, io: &mut Writer) -> <a class="type" href="https://docs.rs/futures/0.1/futures/poll/type.Poll.html" title="type futures::poll::Poll">Poll</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <a class="struct" href="../../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>>;
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fn <a href='#method.poll_completed' class='fnname'>poll_completed</a>(&mut self) -> <a class="type" href="https://docs.rs/futures/0.1/futures/poll/type.Poll.html" title="type futures::poll::Poll">Poll</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="../../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>> { ... }
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<div class='item-spacer'></div> fn <a href='#method.disconnected' class='fnname'>disconnected</a>(&mut self) { ... }
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}</pre></div><div class='docblock'><p>Low level http request handler</p>
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</div>
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<h2 id='required-methods' class='small-section-header'>
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Required Methods<a href='#required-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='tymethod.poll_io' class='method'><span id='poll_io.v' class='invisible'><code>fn <a href='#tymethod.poll_io' class='fnname'>poll_io</a>(&mut self, io: &mut Writer) -> <a class="type" href="https://docs.rs/futures/0.1/futures/poll/type.Poll.html" title="type futures::poll::Poll">Poll</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <a class="struct" href="../../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>></code></span></h3><div class='docblock'><p>Poll task when <em>io</em> object is available</p>
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</div></div>
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<h2 id='provided-methods' class='small-section-header'>
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Provided Methods<a href='#provided-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='method.poll_completed' class='method'><span id='poll_completed.v' class='invisible'><code>fn <a href='#method.poll_completed' class='fnname'>poll_completed</a>(&mut self) -> <a class="type" href="https://docs.rs/futures/0.1/futures/poll/type.Poll.html" title="type futures::poll::Poll">Poll</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="../../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>></code></span></h3><div class='docblock'><p>Poll task, this method is used before or after <em>io</em> object is available</p>
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</div><h3 id='method.disconnected' class='method'><span id='disconnected.v' class='invisible'><code>fn <a href='#method.disconnected' class='fnname'>disconnected</a>(&mut self)</code></span></h3><div class='docblock'><p>Connection is disconnected</p>
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</div></div>
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<h2 id='foreign-impls' class='small-section-header'>
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Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
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</h2>
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<h3 id='impl-HttpHandlerTask' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/server/trait.HttpHandlerTask.html" title="trait actix_web::server::HttpHandlerTask">HttpHandlerTask</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><<a class="trait" href="../../actix_web/server/trait.HttpHandlerTask.html" title="trait actix_web::server::HttpHandlerTask">HttpHandlerTask</a>></code><a href='#impl-HttpHandlerTask' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/server/handler.rs.html#39-43' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.poll_io' class="method"><span id='poll_io.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.poll_io' class='fnname'>poll_io</a>(&mut self, io: &mut Writer) -> <a class="type" href="https://docs.rs/futures/0.1/futures/poll/type.Poll.html" title="type futures::poll::Poll">Poll</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <a class="struct" href="../../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/server/handler.rs.html#40-42' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.poll_completed-1' class="method"><span id='poll_completed.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../../actix_web/server/trait.HttpHandlerTask.html#method.poll_completed' class='fnname'>poll_completed</a>(&mut self) -> <a class="type" href="https://docs.rs/futures/0.1/futures/poll/type.Poll.html" title="type futures::poll::Poll">Poll</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="../../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/server/handler.rs.html#28-30' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.disconnected-1' class="method"><span id='disconnected.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../../actix_web/server/trait.HttpHandlerTask.html#method.disconnected' class='fnname'>disconnected</a>(&mut self)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/server/handler.rs.html#36' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div><h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'></div><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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src="../../implementors/actix_web/server/trait.HttpHandlerTask.js">
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