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actix-extras/actix_ws/fn.handle.html

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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="Begin handling websocket traffic"><title>handle in actix_ws - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-b21aa549bf6d91ff.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="actix_ws" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (9c9b56879 2024-05-05)" data-channel="nightly" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-e32f0c247825364d.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-09095024cf37855e.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button><a class="logo-container" href="../actix_ws/index.html"><img src="https://actix.rs/img/logo.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../actix_ws/index.html"><img src="https://actix.rs/img/logo.png" alt="logo"></a><h2><a href="../actix_ws/index.html">actix_ws</a><span class="version">0.2.0</span></h2></div><div class="sidebar-elems"></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../actix_ws/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Type S or / to search, ? for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings">Settings</a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Function <a href="index.html">actix_ws</a>::<wbr><a class="fn" href="#">handle</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../src/actix_ws/lib.rs.html#70-84">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub fn handle(
req: &amp;HttpRequest,
body: Payload
) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;(HttpResponse, <a class="struct" href="struct.Session.html" title="struct actix_ws::Session">Session</a>, <a class="struct" href="struct.MessageStream.html" title="struct actix_ws::MessageStream">MessageStream</a>), Error&gt;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Begin handling websocket traffic</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{middleware::Logger, web, App, Error, HttpRequest, HttpResponse, HttpServer};
<span class="kw">use </span>actix_ws::Message;
<span class="kw">use </span>futures_util::StreamExt <span class="kw">as _</span>;
<span class="kw">async fn </span>ws(req: HttpRequest, body: web::Payload) -&gt; <span class="prelude-ty">Result</span>&lt;HttpResponse, Error&gt; {
<span class="kw">let </span>(response, <span class="kw-2">mut </span>session, <span class="kw-2">mut </span>msg_stream) = actix_ws::handle(<span class="kw-2">&amp;</span>req, body)<span class="question-mark">?</span>;
actix_rt::spawn(<span class="kw">async move </span>{
<span class="kw">while let </span><span class="prelude-val">Some</span>(<span class="prelude-val">Ok</span>(msg)) = msg_stream.next().<span class="kw">await </span>{
<span class="kw">match </span>msg {
Message::Ping(bytes) =&gt; {
<span class="kw">if </span>session.pong(<span class="kw-2">&amp;</span>bytes).<span class="kw">await</span>.is_err() {
<span class="kw">return</span>;
}
}
Message::Text(s) =&gt; <span class="macro">println!</span>(<span class="string">"Got text, {}"</span>, s),
<span class="kw">_ </span>=&gt; <span class="kw">break</span>,
}
}
<span class="kw">let _ </span>= session.close(<span class="prelude-val">None</span>).<span class="kw">await</span>;
});
<span class="prelude-val">Ok</span>(response)
}
<span class="attr">#[actix_rt::main]
</span><span class="kw">async fn </span>main() -&gt; <span class="prelude-ty">Result</span>&lt;(), anyhow::Error&gt; {
HttpServer::new(<span class="kw">move </span>|| {
App::new()
.wrap(Logger::default())
.route(<span class="string">"/ws"</span>, web::get().to(ws))
})
.bind(<span class="string">"127.0.0.1:8080"</span>)<span class="question-mark">?
</span>.run()
.<span class="kw">await</span><span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}</code></pre></div>
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