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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 to the Rust file `src/server/service.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>service.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>
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</pre><pre class="rust ">
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<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">marker</span>::<span class="ident">PhantomData</span>;
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||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
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||
<span class="kw">use</span> <span class="ident">actix_net</span>::<span class="ident">service</span>::{<span class="ident">NewService</span>, <span class="ident">Service</span>};
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||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::{<span class="ident">ok</span>, <span class="ident">FutureResult</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="kw">super</span>::<span class="ident">channel</span>::{<span class="ident">H1Channel</span>, <span class="ident">HttpChannel</span>};
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">error</span>::<span class="ident">HttpDispatchError</span>;
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">handler</span>::<span class="ident">HttpHandler</span>;
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">settings</span>::<span class="ident">ServiceConfig</span>;
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||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">IoStream</span>;
|
||
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||
<span class="doccomment">/// `NewService` implementation for HTTP1/HTTP2 transports</span>
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||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">HttpService</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
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||
<span class="kw">where</span>
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||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">Io</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">HttpService</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="doccomment">/// Create new `HttpService` instance.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="ident">HttpService</span> {
|
||
<span class="ident">settings</span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span>,
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">NewService</span> <span class="kw">for</span> <span class="ident">HttpService</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Request</span> <span class="op">=</span> <span class="ident">Io</span>;
|
||
<span class="kw">type</span> <span class="ident">Response</span> <span class="op">=</span> ();
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">HttpDispatchError</span>;
|
||
<span class="kw">type</span> <span class="ident">InitError</span> <span class="op">=</span> ();
|
||
<span class="kw">type</span> <span class="ident">Service</span> <span class="op">=</span> <span class="ident">HttpServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>;
|
||
<span class="kw">type</span> <span class="ident">Future</span> <span class="op">=</span> <span class="ident">FutureResult</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Service</span>, <span class="self">Self</span>::<span class="ident">InitError</span><span class="op">></span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">new_service</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span> {
|
||
<span class="ident">ok</span>(<span class="ident">HttpServiceHandler</span>::<span class="ident">new</span>(<span class="self">self</span>.<span class="ident">settings</span>.<span class="ident">clone</span>()))
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">HttpServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">Io</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">HttpServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>) <span class="op">-></span> <span class="ident">HttpServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> {
|
||
<span class="ident">HttpServiceHandler</span> {
|
||
<span class="ident">settings</span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span>,
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">Service</span> <span class="kw">for</span> <span class="ident">HttpServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Request</span> <span class="op">=</span> <span class="ident">Io</span>;
|
||
<span class="kw">type</span> <span class="ident">Response</span> <span class="op">=</span> ();
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">HttpDispatchError</span>;
|
||
<span class="kw">type</span> <span class="ident">Future</span> <span class="op">=</span> <span class="ident">HttpChannel</span><span class="op"><</span><span class="ident">Io</span>, <span class="ident">H</span><span class="op">></span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll_ready</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="self">Self</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="kw">fn</span> <span class="ident">call</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">req</span>: <span class="self">Self</span>::<span class="ident">Request</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span> {
|
||
<span class="ident">HttpChannel</span>::<span class="ident">new</span>(<span class="self">self</span>.<span class="ident">settings</span>.<span class="ident">clone</span>(), <span class="ident">req</span>)
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// `NewService` implementation for HTTP1 transport</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">H1Service</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">Io</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">H1Service</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="doccomment">/// Create new `HttpService` instance.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="ident">H1Service</span> {
|
||
<span class="ident">settings</span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span>,
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">NewService</span> <span class="kw">for</span> <span class="ident">H1Service</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Request</span> <span class="op">=</span> <span class="ident">Io</span>;
|
||
<span class="kw">type</span> <span class="ident">Response</span> <span class="op">=</span> ();
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">HttpDispatchError</span>;
|
||
<span class="kw">type</span> <span class="ident">InitError</span> <span class="op">=</span> ();
|
||
<span class="kw">type</span> <span class="ident">Service</span> <span class="op">=</span> <span class="ident">H1ServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>;
|
||
<span class="kw">type</span> <span class="ident">Future</span> <span class="op">=</span> <span class="ident">FutureResult</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Service</span>, <span class="self">Self</span>::<span class="ident">InitError</span><span class="op">></span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">new_service</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span> {
|
||
<span class="ident">ok</span>(<span class="ident">H1ServiceHandler</span>::<span class="ident">new</span>(<span class="self">self</span>.<span class="ident">settings</span>.<span class="ident">clone</span>()))
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// `Service` implementation for HTTP1 transport</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">H1ServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="ident">Io</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">H1ServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">settings</span>: <span class="ident">ServiceConfig</span><span class="op"><</span><span class="ident">H</span><span class="op">></span>) <span class="op">-></span> <span class="ident">H1ServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> {
|
||
<span class="ident">H1ServiceHandler</span> {
|
||
<span class="ident">settings</span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span>,
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span> <span class="ident">Service</span> <span class="kw">for</span> <span class="ident">H1ServiceHandler</span><span class="op"><</span><span class="ident">H</span>, <span class="ident">Io</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">H</span>: <span class="ident">HttpHandler</span>,
|
||
<span class="ident">Io</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Request</span> <span class="op">=</span> <span class="ident">Io</span>;
|
||
<span class="kw">type</span> <span class="ident">Response</span> <span class="op">=</span> ();
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">HttpDispatchError</span>;
|
||
<span class="kw">type</span> <span class="ident">Future</span> <span class="op">=</span> <span class="ident">H1Channel</span><span class="op"><</span><span class="ident">Io</span>, <span class="ident">H</span><span class="op">></span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll_ready</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="self">Self</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="kw">fn</span> <span class="ident">call</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">req</span>: <span class="self">Self</span>::<span class="ident">Request</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span> {
|
||
<span class="ident">H1Channel</span>::<span class="ident">new</span>(<span class="self">self</span>.<span class="ident">settings</span>.<span class="ident">clone</span>(), <span class="ident">req</span>)
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// `NewService` implementation for stream configuration service</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// Stream configuration service allows to change some socket level</span>
|
||
<span class="doccomment">/// parameters. for example `tcp nodelay` or `tcp keep-alive`.</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">StreamConfiguration</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> {
|
||
<span class="ident">no_delay</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">bool</span><span class="op">></span>,
|
||
<span class="ident">tcp_ka</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">>></span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span><span class="op"><</span>(<span class="ident">T</span>, <span class="ident">E</span>)<span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Default</span> <span class="kw">for</span> <span class="ident">StreamConfiguration</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">default</span>() <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="self">Self</span>::<span class="ident">new</span>()
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">StreamConfiguration</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> {
|
||
<span class="doccomment">/// Create new `StreamConfigurationService` instance.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="self">Self</span> {
|
||
<span class="ident">no_delay</span>: <span class="prelude-val">None</span>,
|
||
<span class="ident">tcp_ka</span>: <span class="prelude-val">None</span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span>,
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Sets the value of the `TCP_NODELAY` option on this socket.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">nodelay</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="self">Self</span> {
|
||
<span class="self">self</span>.<span class="ident">no_delay</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">nodelay</span>);
|
||
<span class="self">self</span>
|
||
}
|
||
|
||
<span class="doccomment">/// Sets whether keepalive messages are enabled to be sent on this socket.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">tcp_keepalive</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">keepalive</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">></span>) <span class="op">-></span> <span class="self">Self</span> {
|
||
<span class="self">self</span>.<span class="ident">tcp_ka</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">keepalive</span>);
|
||
<span class="self">self</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">IoStream</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">NewService</span> <span class="kw">for</span> <span class="ident">StreamConfiguration</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> {
|
||
<span class="kw">type</span> <span class="ident">Request</span> <span class="op">=</span> <span class="ident">T</span>;
|
||
<span class="kw">type</span> <span class="ident">Response</span> <span class="op">=</span> <span class="ident">T</span>;
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>;
|
||
<span class="kw">type</span> <span class="ident">InitError</span> <span class="op">=</span> ();
|
||
<span class="kw">type</span> <span class="ident">Service</span> <span class="op">=</span> <span class="ident">StreamConfigurationService</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span>;
|
||
<span class="kw">type</span> <span class="ident">Future</span> <span class="op">=</span> <span class="ident">FutureResult</span><span class="op"><</span><span class="self">Self</span>::<span class="ident">Service</span>, <span class="self">Self</span>::<span class="ident">InitError</span><span class="op">></span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">new_service</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span> {
|
||
<span class="ident">ok</span>(<span class="ident">StreamConfigurationService</span> {
|
||
<span class="ident">no_delay</span>: <span class="self">self</span>.<span class="ident">no_delay</span>,
|
||
<span class="ident">tcp_ka</span>: <span class="self">self</span>.<span class="ident">tcp_ka</span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span>,
|
||
})
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Stream configuration service</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// Stream configuration service allows to change some socket level</span>
|
||
<span class="doccomment">/// parameters. for example `tcp nodelay` or `tcp keep-alive`.</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">StreamConfigurationService</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> {
|
||
<span class="ident">no_delay</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">bool</span><span class="op">></span>,
|
||
<span class="ident">tcp_ka</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">>></span>,
|
||
<span class="ident">_t</span>: <span class="ident">PhantomData</span><span class="op"><</span>(<span class="ident">T</span>, <span class="ident">E</span>)<span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span> <span class="ident">Service</span> <span class="kw">for</span> <span class="ident">StreamConfigurationService</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">T</span>: <span class="ident">IoStream</span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Request</span> <span class="op">=</span> <span class="ident">T</span>;
|
||
<span class="kw">type</span> <span class="ident">Response</span> <span class="op">=</span> <span class="ident">T</span>;
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">E</span>;
|
||
<span class="kw">type</span> <span class="ident">Future</span> <span class="op">=</span> <span class="ident">FutureResult</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">poll_ready</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="self">Self</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="kw">fn</span> <span class="ident">call</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">req</span>: <span class="self">Self</span>::<span class="ident">Request</span>) <span class="op">-></span> <span class="self">Self</span>::<span class="ident">Future</span> {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">no_delay</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">no_delay</span> {
|
||
<span class="kw">if</span> <span class="ident">req</span>.<span class="ident">set_nodelay</span>(<span class="ident">no_delay</span>).<span class="ident">is_err</span>() {
|
||
<span class="macro">error</span><span class="macro">!</span>(<span class="string">"Can not set socket no-delay option"</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="self">self</span>.<span class="ident">tcp_ka</span> {
|
||
<span class="kw">if</span> <span class="ident">req</span>.<span class="ident">set_keepalive</span>(<span class="ident">keepalive</span>).<span class="ident">is_err</span>() {
|
||
<span class="macro">error</span><span class="macro">!</span>(<span class="string">"Can not set socket keep-alive option"</span>);
|
||
}
|
||
}
|
||
|
||
<span class="ident">ok</span>(<span class="ident">req</span>)
|
||
}
|
||
}
|
||
</pre>
|
||
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