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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 of the Rust file `actix-ws/src/lib.rs`."><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-9ee3a5e31a2afa3e.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="1.75.0-nightly (a2f5f9691 2023-11-02)" data-channel="nightly" data-search-js="search-8fbf244ebcf71464.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="../../static.files/src-script-3280b574d94e47b4.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-9dd44ab47b99a0fb.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../actix_ws/index.html"><img src="https://actix.rs/img/logo.png" alt="actix_ws"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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</pre></div><pre class="rust"><code><span class="doccomment">//! WebSockets for Actix Web, without actors.
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//!
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//! For usage, see documentation on [`handle()`].
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</span><span class="attr">#![deny(rust_2018_idioms, nonstandard_style, future_incompatible)]
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#![warn(missing_docs)]
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#![doc(html_logo_url = <span class="string">"https://actix.rs/img/logo.png"</span>)]
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#![doc(html_favicon_url = <span class="string">"https://actix.rs/favicon.ico"</span>)]
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#![cfg_attr(docsrs, feature(doc_auto_cfg))]
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</span><span class="kw">pub use </span>actix_http::ws::{CloseCode, CloseReason, Message, ProtocolError};
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<span class="kw">use </span>actix_http::{
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body::{BodyStream, MessageBody},
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ws::handshake,
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};
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<span class="kw">use </span>actix_web::{web, HttpRequest, HttpResponse};
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<span class="kw">use </span>tokio::sync::mpsc::channel;
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<span class="kw">mod </span>fut;
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<span class="kw">mod </span>session;
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<span class="kw">pub use </span><span class="self">self</span>::{
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fut::{MessageStream, StreamingBody},
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session::{Closed, Session},
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};
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<span class="doccomment">/// Begin handling websocket traffic
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///
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/// ```no_run
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/// use actix_web::{middleware::Logger, web, App, Error, HttpRequest, HttpResponse, HttpServer};
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/// use actix_ws::Message;
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/// use futures::stream::StreamExt as _;
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///
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/// async fn ws(req: HttpRequest, body: web::Payload) -> Result<HttpResponse, Error> {
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/// let (response, mut session, mut msg_stream) = actix_ws::handle(&req, body)?;
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///
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/// actix_rt::spawn(async move {
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/// while let Some(Ok(msg)) = msg_stream.next().await {
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/// match msg {
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/// Message::Ping(bytes) => {
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/// if session.pong(&bytes).await.is_err() {
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/// return;
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/// }
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/// }
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/// Message::Text(s) => println!("Got text, {}", s),
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/// _ => break,
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/// }
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/// }
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///
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/// let _ = session.close(None).await;
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/// });
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///
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/// Ok(response)
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/// }
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///
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/// #[actix_rt::main]
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/// async fn main() -> Result<(), anyhow::Error> {
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/// HttpServer::new(move || {
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/// App::new()
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/// .wrap(Logger::default())
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/// .route("/ws", web::get().to(ws))
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/// })
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/// .bind("127.0.0.1:8080")?
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/// .run()
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/// .await?;
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///
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/// Ok(())
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/// }
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/// ```
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</span><span class="kw">pub fn </span>handle(
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req: <span class="kw-2">&</span>HttpRequest,
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body: web::Payload,
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) -> <span class="prelude-ty">Result</span><(HttpResponse, Session, MessageStream), actix_web::Error> {
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<span class="kw">let </span><span class="kw-2">mut </span>response = handshake(req.head())<span class="question-mark">?</span>;
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<span class="kw">let </span>(tx, rx) = channel(<span class="number">32</span>);
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<span class="prelude-val">Ok</span>((
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response
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.message_body(BodyStream::new(StreamingBody::new(rx)).boxed())<span class="question-mark">?
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</span>.into(),
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Session::new(tx),
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MessageStream::new(body.into_inner()),
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))
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}
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</code></pre></div></section></main></body></html> |