| <!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 `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/tonic-0.6.2/src/transport/service/discover.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>discover.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../normalize.css"><link rel="stylesheet" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../dark.css" disabled><link rel="stylesheet" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../../tonic/index.html"><div class="logo-container"> |
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| <img src="https://raw.githubusercontent.com/tokio-rs/website/master/public/img/icons/tonic.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" 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="../../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">super</span>::<span class="kw">super</span>::service; |
| <span class="kw">use </span><span class="kw">super</span>::connection::Connection; |
| <span class="kw">use </span><span class="kw">crate</span>::transport::Endpoint; |
| |
| <span class="kw">use </span>std::{ |
| hash::Hash, |
| pin::Pin, |
| task::{Context, Poll}, |
| }; |
| <span class="kw">use </span>tokio::sync::mpsc::Receiver; |
| |
| <span class="kw">use </span>tokio_stream::Stream; |
| <span class="kw">use </span>tower::discover::Change; |
| |
| <span class="kw">type </span>DiscoverResult<K, S, E> = <span class="prelude-ty">Result</span><Change<K, S>, E>; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>DynamicServiceStream<K: Hash + Eq + Clone> { |
| changes: Receiver<Change<K, Endpoint>>, |
| } |
| |
| <span class="kw">impl</span><K: Hash + Eq + Clone> DynamicServiceStream<K> { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(changes: Receiver<Change<K, Endpoint>>) -> <span class="self">Self </span>{ |
| <span class="self">Self </span>{ changes } |
| } |
| } |
| |
| <span class="kw">impl</span><K: Hash + Eq + Clone> Stream <span class="kw">for </span>DynamicServiceStream<K> { |
| <span class="kw">type </span>Item = DiscoverResult<K, Connection, <span class="kw">crate</span>::Error>; |
| |
| <span class="kw">fn </span>poll_next(<span class="kw-2">mut </span><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>> { |
| <span class="kw">let </span>c = <span class="kw-2">&mut </span><span class="self">self</span>.changes; |
| <span class="kw">match </span>Pin::new(<span class="kw-2">&mut *</span>c).poll_recv(cx) { |
| Poll::Pending | Poll::Ready(<span class="prelude-val">None</span>) => Poll::Pending, |
| Poll::Ready(<span class="prelude-val">Some</span>(change)) => <span class="kw">match </span>change { |
| Change::Insert(k, endpoint) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>http = hyper::client::connect::HttpConnector::new(); |
| http.set_nodelay(endpoint.tcp_nodelay); |
| http.set_keepalive(endpoint.tcp_keepalive); |
| http.enforce_http(<span class="bool-val">false</span>); |
| <span class="attribute">#[cfg(feature = <span class="string">"tls"</span>)] |
| </span><span class="kw">let </span>connector = service::connector(http, endpoint.tls.clone()); |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"tls"</span>))] |
| </span><span class="kw">let </span>connector = service::connector(http); |
| <span class="kw">let </span>connection = Connection::lazy(connector, endpoint); |
| <span class="kw">let </span>change = <span class="prelude-val">Ok</span>(Change::Insert(k, connection)); |
| Poll::Ready(<span class="prelude-val">Some</span>(change)) |
| } |
| Change::Remove(k) => Poll::Ready(<span class="prelude-val">Some</span>(<span class="prelude-val">Ok</span>(Change::Remove(k)))), |
| }, |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><K: Hash + Eq + Clone> Unpin <span class="kw">for </span>DynamicServiceStream<K> {} |
| </code></pre></div> |
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