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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-http/src/h2/mod.rs`."><title>mod.rs - source</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-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="actix_http" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (bdbbb6c6a 2024-05-26)" data-channel="nightly" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="../../../static.files/src-script-e66d777a5a92e9b2.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-df360f571f6edeae.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"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><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">//! HTTP/2 protocol.
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</span><span class="kw">use </span>std::{
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future::Future,
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pin::Pin,
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task::{Context, Poll},
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};
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<span class="kw">use </span>actix_codec::{AsyncRead, AsyncWrite};
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<span class="kw">use </span>actix_rt::time::{sleep_until, Sleep};
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<span class="kw">use </span>bytes::Bytes;
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<span class="kw">use </span>futures_core::{ready, Stream};
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<span class="kw">use </span>h2::{
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server::{handshake, Connection, Handshake},
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RecvStream,
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};
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<span class="kw">use crate</span>::{
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config::ServiceConfig,
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error::{DispatchError, PayloadError},
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};
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<span class="kw">mod </span>dispatcher;
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<span class="kw">mod </span>service;
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<span class="kw">pub use </span><span class="self">self</span>::{dispatcher::Dispatcher, service::H2Service};
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<span class="doccomment">/// HTTP/2 peer stream.
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</span><span class="kw">pub struct </span>Payload {
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stream: RecvStream,
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}
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<span class="kw">impl </span>Payload {
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<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(stream: RecvStream) -> <span class="self">Self </span>{
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<span class="self">Self </span>{ stream }
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}
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}
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<span class="kw">impl </span>Stream <span class="kw">for </span>Payload {
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<span class="kw">type </span>Item = <span class="prelude-ty">Result</span><Bytes, PayloadError>;
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<span class="kw">fn </span>poll_next(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="prelude-ty">Option</span><<span class="self">Self</span>::Item>> {
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<span class="kw">let </span>this = <span class="self">self</span>.get_mut();
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<span class="kw">match </span><span class="macro">ready!</span>(Pin::new(<span class="kw-2">&mut </span>this.stream).poll_data(cx)) {
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<span class="prelude-val">Some</span>(<span class="prelude-val">Ok</span>(chunk)) => {
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<span class="kw">let </span>len = chunk.len();
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<span class="kw">match </span>this.stream.flow_control().release_capacity(len) {
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<span class="prelude-val">Ok</span>(()) => Poll::Ready(<span class="prelude-val">Some</span>(<span class="prelude-val">Ok</span>(chunk))),
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<span class="prelude-val">Err</span>(err) => Poll::Ready(<span class="prelude-val">Some</span>(<span class="prelude-val">Err</span>(err.into()))),
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}
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}
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<span class="prelude-val">Some</span>(<span class="prelude-val">Err</span>(err)) => Poll::Ready(<span class="prelude-val">Some</span>(<span class="prelude-val">Err</span>(err.into()))),
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<span class="prelude-val">None </span>=> Poll::Ready(<span class="prelude-val">None</span>),
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}
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}
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}
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<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>handshake_with_timeout<T>(io: T, config: <span class="kw-2">&</span>ServiceConfig) -> HandshakeWithTimeout<T>
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<span class="kw">where
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</span>T: AsyncRead + AsyncWrite + Unpin,
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{
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HandshakeWithTimeout {
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handshake: handshake(io),
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timer: config
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.client_request_deadline()
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.map(|deadline| Box::pin(sleep_until(deadline.into()))),
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}
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}
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<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>HandshakeWithTimeout<T: AsyncRead + AsyncWrite + Unpin> {
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handshake: Handshake<T>,
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timer: <span class="prelude-ty">Option</span><Pin<Box<Sleep>>>,
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}
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<span class="kw">impl</span><T> Future <span class="kw">for </span>HandshakeWithTimeout<T>
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<span class="kw">where
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</span>T: AsyncRead + AsyncWrite + Unpin,
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{
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<span class="kw">type </span>Output = <span class="prelude-ty">Result</span><(Connection<T, Bytes>, <span class="prelude-ty">Option</span><Pin<Box<Sleep>>>), DispatchError>;
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<span class="kw">fn </span>poll(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="self">Self</span>::Output> {
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<span class="kw">let </span>this = <span class="self">self</span>.get_mut();
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<span class="kw">match </span>Pin::new(<span class="kw-2">&mut </span>this.handshake).poll(cx)<span class="question-mark">? </span>{
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<span class="comment">// return the timer on success handshake; its slot can be re-used for h2 ping-pong
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</span>Poll::Ready(conn) => Poll::Ready(<span class="prelude-val">Ok</span>((conn, this.timer.take()))),
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Poll::Pending => <span class="kw">match </span>this.timer.as_mut() {
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<span class="prelude-val">Some</span>(timer) => {
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<span class="macro">ready!</span>(timer.as_mut().poll(cx));
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Poll::Ready(<span class="prelude-val">Err</span>(DispatchError::SlowRequestTimeout))
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}
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<span class="prelude-val">None </span>=> Poll::Pending,
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},
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}
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}
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}
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<span class="attr">#[cfg(test)]
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</span><span class="kw">mod </span>tests {
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<span class="kw">use </span>static_assertions::assert_impl_all;
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<span class="kw">use super</span>::<span class="kw-2">*</span>;
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<span class="macro">assert_impl_all!</span>(Payload: Unpin, Send, Sync);
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}
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</code></pre></div></section></main></body></html> |