<!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-tls/src/connect/host.rs`."><title>host.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-b778ab399e080a4b.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="actix_tls" data-themes="" data-resource-suffix="" data-rustdoc-version="1.83.0-nightly (7608018cb 2024-09-29)" data-channel="nightly" data-search-js="search-e056c65ede92db13.js" data-settings-js="settings-805db61a62df4bd2.js" ><script src="../../../static.files/storage-1d39b6787ed640ff.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-54bc299d2a5e4e43.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-0111fcff984fae8f.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="main-heading"><h1><div class="sub-heading">actix_tls/connect/</div>host.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers">
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/// An interface for types where host parts (hostname and port) can be derived.
///
/// The [WHATWG URL Standard] defines the terminology used for this trait and its methods.
///
/// ```plain
/// +------------------------+
/// | host |
/// +-----------------+------+
/// | hostname | port |
/// | | |
/// | sub.example.com : 8080 |
/// +-----------------+------+
/// ```
///
/// [WHATWG URL Standard]: https://url.spec.whatwg.org/
</span><span class="kw">pub trait </span>Host: Unpin + <span class="lifetime">'static </span>{
<span class="doccomment">/// Extract hostname.
</span><span class="kw">fn </span>hostname(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str;
<span class="doccomment">/// Extract optional port.
</span><span class="kw">fn </span>port(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><u16> {
<span class="prelude-val">None
</span>}
}
<span class="kw">impl </span>Host <span class="kw">for </span>String {
<span class="kw">fn </span>hostname(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str {
<span class="self">self</span>.split_once(<span class="string">':'</span>)
.map(|(hostname, <span class="kw">_</span>)| hostname)
.unwrap_or(<span class="self">self</span>)
}
<span class="kw">fn </span>port(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><u16> {
<span class="self">self</span>.split_once(<span class="string">':'</span>).and_then(|(<span class="kw">_</span>, port)| port.parse().ok())
}
}
<span class="kw">impl </span>Host <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'static </span>str {
<span class="kw">fn </span>hostname(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str {
<span class="self">self</span>.split_once(<span class="string">':'</span>)
.map(|(hostname, <span class="kw">_</span>)| hostname)
.unwrap_or(<span class="self">self</span>)
}
<span class="kw">fn </span>port(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><u16> {
<span class="self">self</span>.split_once(<span class="string">':'</span>).and_then(|(<span class="kw">_</span>, port)| port.parse().ok())
}
}
<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="macro">macro_rules!</span> assert_connection_info_eq {
(<span class="macro-nonterminal">$req</span>:expr, <span class="macro-nonterminal">$hostname</span>:expr, <span class="macro-nonterminal">$port</span>:expr) => {{
<span class="macro">assert_eq!</span>(<span class="macro-nonterminal">$req</span>.hostname(), <span class="macro-nonterminal">$hostname</span>);
<span class="macro">assert_eq!</span>(<span class="macro-nonterminal">$req</span>.port(), <span class="macro-nonterminal">$port</span>);
}};
}
<span class="attr">#[test]
</span><span class="kw">fn </span>host_parsing() {
<span class="macro">assert_connection_info_eq!</span>(<span class="string">"example.com"</span>, <span class="string">"example.com"</span>, <span class="prelude-val">None</span>);
<span class="macro">assert_connection_info_eq!</span>(<span class="string">"example.com:8080"</span>, <span class="string">"example.com"</span>, <span class="prelude-val">Some</span>(<span class="number">8080</span>));
<span class="macro">assert_connection_info_eq!</span>(<span class="string">"example:8080"</span>, <span class="string">"example"</span>, <span class="prelude-val">Some</span>(<span class="number">8080</span>));
<span class="macro">assert_connection_info_eq!</span>(<span class="string">"example.com:false"</span>, <span class="string">"example.com"</span>, <span class="prelude-val">None</span>);
<span class="macro">assert_connection_info_eq!</span>(<span class="string">"example.com:false:false"</span>, <span class="string">"example.com"</span>, <span class="prelude-val">None</span>);
}
}
</code></pre></div></section></main></body></html>