| <!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/h2-0.3.19/src/proto/peer.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>peer.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="../../../h2/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../h2/index.html"><img class="rust-logo" src="../../../rust-logo.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">crate</span>::error::Reason; |
| <span class="kw">use </span><span class="kw">crate</span>::frame::{Pseudo, StreamId}; |
| <span class="kw">use </span><span class="kw">crate</span>::proto::{Error, Open}; |
| |
| <span class="kw">use </span>http::{HeaderMap, Request, Response}; |
| |
| <span class="kw">use </span>std::fmt; |
| |
| <span class="doccomment">/// Either a Client or a Server |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">trait </span>Peer { |
| <span class="doccomment">/// Message type polled from the transport |
| </span><span class="kw">type </span>Poll: fmt::Debug; |
| <span class="kw">const </span>NAME: <span class="kw-2">&</span><span class="lifetime">'static </span>str; |
| |
| <span class="kw">fn </span>r#dyn() -> Dyn; |
| |
| <span class="kw">fn </span>is_server() -> bool; |
| |
| <span class="kw">fn </span>convert_poll_message( |
| pseudo: Pseudo, |
| fields: HeaderMap, |
| stream_id: StreamId, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Poll, Error>; |
| |
| <span class="kw">fn </span>is_local_init(id: StreamId) -> bool { |
| <span class="macro">assert!</span>(!id.is_zero()); |
| <span class="self">Self</span>::is_server() == id.is_server_initiated() |
| } |
| } |
| |
| <span class="doccomment">/// A dynamic representation of `Peer`. |
| /// |
| /// This is used internally to avoid incurring a generic on all internal types. |
| </span><span class="attribute">#[derive(Debug, Copy, Clone, Eq, PartialEq)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">enum </span>Dyn { |
| Client, |
| Server, |
| } |
| |
| <span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub enum </span>PollMessage { |
| Client(Response<()>), |
| Server(Request<()>), |
| } |
| |
| <span class="comment">// ===== impl Dyn ===== |
| |
| </span><span class="kw">impl </span>Dyn { |
| <span class="kw">pub fn </span>is_server(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="kw-2">*</span><span class="self">self </span>== Dyn::Server |
| } |
| |
| <span class="kw">pub fn </span>is_local_init(<span class="kw-2">&</span><span class="self">self</span>, id: StreamId) -> bool { |
| <span class="macro">assert!</span>(!id.is_zero()); |
| <span class="self">self</span>.is_server() == id.is_server_initiated() |
| } |
| |
| <span class="kw">pub fn </span>convert_poll_message( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pseudo: Pseudo, |
| fields: HeaderMap, |
| stream_id: StreamId, |
| ) -> <span class="prelude-ty">Result</span><PollMessage, Error> { |
| <span class="kw">if </span><span class="self">self</span>.is_server() { |
| <span class="kw">crate</span>::server::Peer::convert_poll_message(pseudo, fields, stream_id) |
| .map(PollMessage::Server) |
| } <span class="kw">else </span>{ |
| <span class="kw">crate</span>::client::Peer::convert_poll_message(pseudo, fields, stream_id) |
| .map(PollMessage::Client) |
| } |
| } |
| |
| <span class="doccomment">/// Returns true if the remote peer can initiate a stream with the given ID. |
| </span><span class="kw">pub fn </span>ensure_can_open(<span class="kw-2">&</span><span class="self">self</span>, id: StreamId, mode: Open) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">if </span><span class="self">self</span>.is_server() { |
| <span class="comment">// Ensure that the ID is a valid client initiated ID |
| </span><span class="kw">if </span>mode.is_push_promise() || !id.is_client_initiated() { |
| <span class="macro">proto_err!</span>(conn: <span class="string">"cannot open stream {:?} - not client initiated"</span>, id); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::library_go_away(Reason::PROTOCOL_ERROR)); |
| } |
| |
| <span class="prelude-val">Ok</span>(()) |
| } <span class="kw">else </span>{ |
| <span class="comment">// Ensure that the ID is a valid server initiated ID |
| </span><span class="kw">if </span>!mode.is_push_promise() || !id.is_server_initiated() { |
| <span class="macro">proto_err!</span>(conn: <span class="string">"cannot open stream {:?} - not server initiated"</span>, id); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::library_go_away(Reason::PROTOCOL_ERROR)); |
| } |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="h2" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
