<!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/server/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.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> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10"> 10</span> <span id="11"> 11</span> <span id="12"> 12</span> <span id="13"> 13</span> <span id="14"> 14</span> <span id="15"> 15</span> <span id="16"> 16</span> <span id="17"> 17</span> <span 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id="288">288</span> <span id="289">289</span> <span id="290">290</span> <span id="291">291</span> <span id="292">292</span> <span id="293">293</span> <span id="294">294</span> <span id="295">295</span> <span id="296">296</span> <span id="297">297</span> <span id="298">298</span> <span id="299">299</span> <span id="300">300</span> <span id="301">301</span> <span id="302">302</span> <span id="303">303</span> <span id="304">304</span> <span id="305">305</span> <span id="306">306</span> <span id="307">307</span> <span id="308">308</span> <span id="309">309</span> <span id="310">310</span> <span id="311">311</span> <span id="312">312</span> </pre><pre class="rust "> <span class="doccomment">//! Http server</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">net</span>::<span class="ident">Shutdown</span>; <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">io</span>, <span class="ident">time</span>}; <span class="kw">use</span> <span class="ident">bytes</span>::{<span class="ident">BufMut</span>, <span class="ident">BytesMut</span>}; <span class="kw">use</span> <span class="ident">futures</span>::{<span class="ident">Async</span>, <span class="ident">Poll</span>}; <span class="kw">use</span> <span class="ident">tokio_io</span>::{<span class="ident">AsyncRead</span>, <span class="ident">AsyncWrite</span>}; <span class="kw">use</span> <span class="ident">tokio_tcp</span>::<span class="ident">TcpStream</span>; <span class="kw">mod</span> <span class="ident">channel</span>; <span class="kw">mod</span> <span class="ident">error</span>; <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod</span> <span class="ident">h1</span>; <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod</span> <span class="ident">h1decoder</span>; <span class="kw">mod</span> <span class="ident">h1writer</span>; <span class="kw">mod</span> <span class="ident">h2</span>; <span class="kw">mod</span> <span class="ident">h2writer</span>; <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod</span> <span class="ident">helpers</span>; <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod</span> <span class="ident">input</span>; <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod</span> <span class="ident">message</span>; <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod</span> <span class="ident">output</span>; <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod</span> <span class="ident">settings</span>; <span class="kw">mod</span> <span class="ident">srv</span>; <span class="kw">mod</span> <span class="ident">worker</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">message</span>::<span class="ident">Request</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">settings</span>::<span class="ident">ServerSettings</span>; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">srv</span>::<span class="ident">HttpServer</span>; <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">helpers</span>::<span class="ident">write_content_length</span>; <span class="kw">use</span> <span class="ident">actix</span>::<span class="ident">Message</span>; <span class="kw">use</span> <span class="ident">body</span>::<span class="ident">Binary</span>; <span class="kw">use</span> <span class="ident">error</span>::<span class="ident">Error</span>; <span class="kw">use</span> <span class="ident">header</span>::<span class="ident">ContentEncoding</span>; <span class="kw">use</span> <span class="ident">httpresponse</span>::<span class="ident">HttpResponse</span>; <span class="doccomment">/// max buffer size 64k</span> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">const</span> <span class="ident">MAX_WRITE_BUFFER_SIZE</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">65_536</span>; <span class="kw">const</span> <span class="ident">LW_BUFFER_SIZE</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">4096</span>; <span class="kw">const</span> <span class="ident">HW_BUFFER_SIZE</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">32_768</span>; <span class="doccomment">/// Create new http server with application factory.</span> <span class="doccomment">///</span> <span class="doccomment">/// This is shortcut for `server::HttpServer::new()` method.</span> <span class="doccomment">///</span> <span class="doccomment">/// ```rust</span> <span class="doccomment">/// # extern crate actix_web;</span> <span class="doccomment">/// use actix_web::{actix, server, App, HttpResponse};</span> <span class="doccomment">///</span> <span class="doccomment">/// fn main() {</span> <span class="doccomment">/// let sys = actix::System::new("example"); // <- create Actix system</span> <span class="doccomment">///</span> <span class="doccomment">/// server::new(</span> <span class="doccomment">/// || App::new()</span> <span class="doccomment">/// .resource("/", |r| r.f(|_| HttpResponse::Ok())))</span> <span class="doccomment">/// .bind("127.0.0.1:59090").unwrap()</span> <span class="doccomment">/// .start();</span> <span class="doccomment">///</span> <span class="doccomment">/// # actix::System::current().stop();</span> <span class="doccomment">/// sys.run();</span> <span class="doccomment">/// }</span> <span class="doccomment">/// ```</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span><span class="op"><</span><span class="ident">F</span>, <span class="ident">U</span>, <span class="ident">H</span><span class="op">></span>(<span class="ident">factory</span>: <span class="ident">F</span>) <span class="op">-></span> <span class="ident">HttpServer</span><span class="op"><</span><span class="ident">H</span><span class="op">></span> <span class="kw">where</span> <span class="ident">F</span>: <span class="ident">Fn</span>() <span class="op">-></span> <span class="ident">U</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="lifetime">'static</span>, <span class="ident">U</span>: <span class="ident">IntoIterator</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">H</span><span class="op">></span> <span class="op">+</span> <span class="lifetime">'static</span>, <span class="ident">H</span>: <span class="ident">IntoHttpHandler</span> <span class="op">+</span> <span class="lifetime">'static</span>, { <span class="ident">HttpServer</span>::<span class="ident">new</span>(<span class="ident">factory</span>) } <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">PartialEq</span>, <span class="ident">Clone</span>, <span class="ident">Copy</span>)]</span> <span class="doccomment">/// Server keep-alive setting</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">KeepAlive</span> { <span class="doccomment">/// Keep alive in seconds</span> <span class="ident">Timeout</span>(<span class="ident">usize</span>), <span class="doccomment">/// Use `SO_KEEPALIVE` socket option, value in seconds</span> <span class="ident">Tcp</span>(<span class="ident">usize</span>), <span class="doccomment">/// Relay on OS to shutdown tcp connection</span> <span class="ident">Os</span>, <span class="doccomment">/// Disabled</span> <span class="ident">Disabled</span>, } <span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> <span class="kw">for</span> <span class="ident">KeepAlive</span> { <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">keepalive</span>: <span class="ident">usize</span>) <span class="op">-></span> <span class="self">Self</span> { <span class="ident">KeepAlive</span>::<span class="ident">Timeout</span>(<span class="ident">keepalive</span>) } } <span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">>></span> <span class="kw">for</span> <span class="ident">KeepAlive</span> { <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">keepalive</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span>) <span class="op">-></span> <span class="self">Self</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">keepalive</span>) <span class="op">=</span> <span class="ident">keepalive</span> { <span class="ident">KeepAlive</span>::<span class="ident">Timeout</span>(<span class="ident">keepalive</span>) } <span class="kw">else</span> { <span class="ident">KeepAlive</span>::<span class="ident">Disabled</span> } } } <span class="doccomment">/// Pause accepting incoming connections</span> <span class="doccomment">///</span> <span class="doccomment">/// If socket contains some pending connection, they might be dropped.</span> <span class="doccomment">/// All opened connection remains active.</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Message</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">PauseServer</span>; <span class="doccomment">/// Resume accepting incoming connections</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Message</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ResumeServer</span>; <span class="doccomment">/// Stop incoming connection processing, stop all workers and exit.</span> <span class="doccomment">///</span> <span class="doccomment">/// If server starts with `spawn()` method, then spawned thread get terminated.</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">StopServer</span> { <span class="doccomment">/// Whether to try and shut down gracefully</span> <span class="kw">pub</span> <span class="ident">graceful</span>: <span class="ident">bool</span>, } <span class="kw">impl</span> <span class="ident">Message</span> <span class="kw">for</span> <span class="ident">StopServer</span> { <span class="kw">type</span> <span class="prelude-ty">Result</span> <span class="op">=</span> <span class="prelude-ty">Result</span><span class="op"><</span>(), ()<span class="op">></span>; } <span class="doccomment">/// Low level http request handler</span> <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">unused_variables</span>)]</span> <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">HttpHandler</span>: <span class="lifetime">'static</span> { <span class="doccomment">/// Request handling task</span> <span class="kw">type</span> <span class="ident">Task</span>: <span class="ident">HttpHandlerTask</span>; <span class="doccomment">/// Handle request</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="ident">Request</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Task</span>, <span class="ident">Request</span><span class="op">></span>; } <span class="kw">impl</span> <span class="ident">HttpHandler</span> <span class="kw">for</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">HttpHandler</span><span class="op"><</span><span class="ident">Task</span> <span class="op">=</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">HttpHandlerTask</span><span class="op">>></span><span class="op">></span> { <span class="kw">type</span> <span class="ident">Task</span> <span class="op">=</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">HttpHandlerTask</span><span class="op">></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="ident">Request</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">HttpHandlerTask</span><span class="op">></span>, <span class="ident">Request</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">as_ref</span>().<span class="ident">handle</span>(<span class="ident">req</span>) } } <span class="doccomment">/// Low level http request handler</span> <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">HttpHandlerTask</span> { <span class="doccomment">/// Poll task, this method is used before or after *io* object is available</span> <span class="kw">fn</span> <span class="ident">poll_completed</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="ident">Error</span><span class="op">></span> { <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(())) } <span class="doccomment">/// Poll task when *io* object is available</span> <span class="kw">fn</span> <span class="ident">poll_io</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">io</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Writer</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="ident">bool</span>, <span class="ident">Error</span><span class="op">></span>; <span class="doccomment">/// Connection is disconnected</span> <span class="kw">fn</span> <span class="ident">disconnected</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {} } <span class="kw">impl</span> <span class="ident">HttpHandlerTask</span> <span class="kw">for</span> <span class="ident">Box</span><span class="op"><</span><span class="ident">HttpHandlerTask</span><span class="op">></span> { <span class="kw">fn</span> <span class="ident">poll_io</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">io</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Writer</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="ident">bool</span>, <span class="ident">Error</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">as_mut</span>().<span class="ident">poll_io</span>(<span class="ident">io</span>) } } <span class="doccomment">/// Conversion helper trait</span> <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">IntoHttpHandler</span> { <span class="doccomment">/// The associated type which is result of conversion.</span> <span class="kw">type</span> <span class="ident">Handler</span>: <span class="ident">HttpHandler</span>; <span class="doccomment">/// Convert into `HttpHandler` object.</span> <span class="kw">fn</span> <span class="ident">into_handler</span>(<span class="self">self</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Handler</span>; } <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">HttpHandler</span><span class="op">></span> <span class="ident">IntoHttpHandler</span> <span class="kw">for</span> <span class="ident">T</span> { <span class="kw">type</span> <span class="ident">Handler</span> <span class="op">=</span> <span class="ident">T</span>; <span class="kw">fn</span> <span class="ident">into_handler</span>(<span class="self">self</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Handler</span> { <span class="self">self</span> } } <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">WriterState</span> { <span class="ident">Done</span>, <span class="ident">Pause</span>, } <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="doccomment">/// Stream writer</span> <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Writer</span> { <span class="doccomment">/// number of bytes written to the stream</span> <span class="kw">fn</span> <span class="ident">written</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">u64</span>; <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="kw">fn</span> <span class="ident">set_date</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>); <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="kw">fn</span> <span class="ident">buffer</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">BytesMut</span>; <span class="kw">fn</span> <span class="ident">start</span>( <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="ident">resp</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HttpResponse</span>, <span class="ident">encoding</span>: <span class="ident">ContentEncoding</span>, ) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">WriterState</span><span class="op">></span>; <span class="kw">fn</span> <span class="ident">write</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">payload</span>: <span class="kw-2">&</span><span class="ident">Binary</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">WriterState</span><span class="op">></span>; <span class="kw">fn</span> <span class="ident">write_eof</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">WriterState</span><span class="op">></span>; <span class="kw">fn</span> <span class="ident">poll_completed</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">shutdown</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span>(), <span class="ident">io</span>::<span class="ident">Error</span><span class="op">></span>; } <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="doccomment">/// Low-level io stream operations</span> <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">IoStream</span>: <span class="ident">AsyncRead</span> <span class="op">+</span> <span class="ident">AsyncWrite</span> <span class="op">+</span> <span class="lifetime">'static</span> { <span class="kw">fn</span> <span class="ident">shutdown</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">how</span>: <span class="ident">Shutdown</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span>; <span class="kw">fn</span> <span class="ident">set_nodelay</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nodelay</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span>; <span class="kw">fn</span> <span class="ident">set_linger</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dur</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">time</span>::<span class="ident">Duration</span><span class="op">></span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span>; <span class="kw">fn</span> <span class="ident">read_available</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">BytesMut</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span><span class="ident">bool</span>, <span class="ident">io</span>::<span class="ident">Error</span><span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">read_some</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">loop</span> { <span class="kw">if</span> <span class="ident">buf</span>.<span class="ident">remaining_mut</span>() <span class="op"><</span> <span class="ident">LW_BUFFER_SIZE</span> { <span class="ident">buf</span>.<span class="ident">reserve</span>(<span class="ident">HW_BUFFER_SIZE</span>); } <span class="kw">unsafe</span> { <span class="kw">match</span> <span class="self">self</span>.<span class="ident">read</span>(<span class="ident">buf</span>.<span class="ident">bytes_mut</span>()) { <span class="prelude-val">Ok</span>(<span class="ident">n</span>) <span class="op">=></span> { <span class="kw">if</span> <span class="ident">n</span> <span class="op">==</span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="op">!</span><span class="ident">read_some</span>)); } <span class="kw">else</span> { <span class="ident">read_some</span> <span class="op">=</span> <span class="bool-val">true</span>; <span class="ident">buf</span>.<span class="ident">advance_mut</span>(<span class="ident">n</span>); } } <span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> { <span class="kw">return</span> <span class="kw">if</span> <span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">WouldBlock</span> { <span class="kw">if</span> <span class="ident">read_some</span> { <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(<span class="bool-val">false</span>)) } <span class="kw">else</span> { <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>) } } <span class="kw">else</span> { <span class="prelude-val">Err</span>(<span class="ident">e</span>) }; } } } } } } <span class="kw">impl</span> <span class="ident">IoStream</span> <span class="kw">for</span> <span class="ident">TcpStream</span> { <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">shutdown</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">how</span>: <span class="ident">Shutdown</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">TcpStream</span>::<span class="ident">shutdown</span>(<span class="self">self</span>, <span class="ident">how</span>) } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">set_nodelay</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nodelay</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">TcpStream</span>::<span class="ident">set_nodelay</span>(<span class="self">self</span>, <span class="ident">nodelay</span>) } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">set_linger</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dur</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">time</span>::<span class="ident">Duration</span><span class="op">></span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">TcpStream</span>::<span class="ident">set_linger</span>(<span class="self">self</span>, <span class="ident">dur</span>) } } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alpn"</span>)]</span> <span class="kw">use</span> <span class="ident">tokio_openssl</span>::<span class="ident">SslStream</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alpn"</span>)]</span> <span class="kw">impl</span> <span class="ident">IoStream</span> <span class="kw">for</span> <span class="ident">SslStream</span><span class="op"><</span><span class="ident">TcpStream</span><span class="op">></span> { <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">shutdown</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">_how</span>: <span class="ident">Shutdown</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_mut</span>().<span class="ident">shutdown</span>(); <span class="prelude-val">Ok</span>(()) } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">set_nodelay</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nodelay</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="self">self</span>.<span class="ident">get_mut</span>().<span class="ident">get_mut</span>().<span class="ident">set_nodelay</span>(<span class="ident">nodelay</span>) } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">set_linger</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dur</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">time</span>::<span class="ident">Duration</span><span class="op">></span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="self">self</span>.<span class="ident">get_mut</span>().<span class="ident">get_mut</span>().<span class="ident">set_linger</span>(<span class="ident">dur</span>) } } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"tls"</span>)]</span> <span class="kw">use</span> <span class="ident">tokio_tls</span>::<span class="ident">TlsStream</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"tls"</span>)]</span> <span class="kw">impl</span> <span class="ident">IoStream</span> <span class="kw">for</span> <span class="ident">TlsStream</span><span class="op"><</span><span class="ident">TcpStream</span><span class="op">></span> { <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">shutdown</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">_how</span>: <span class="ident">Shutdown</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_mut</span>().<span class="ident">shutdown</span>(); <span class="prelude-val">Ok</span>(()) } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">set_nodelay</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">nodelay</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="self">self</span>.<span class="ident">get_mut</span>().<span class="ident">get_mut</span>().<span class="ident">set_nodelay</span>(<span class="ident">nodelay</span>) } <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="kw">fn</span> <span class="ident">set_linger</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dur</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">time</span>::<span class="ident">Duration</span><span class="op">></span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="self">self</span>.<span class="ident">get_mut</span>().<span class="ident">get_mut</span>().<span class="ident">set_linger</span>(<span class="ident">dur</span>) } } </pre> </section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../";window.currentCrate = "actix_web";</script><script src="../../../aliases.js"></script><script src="../../../main.js"></script><script defer src="../../../search-index.js"></script></body></html>