<!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-http/src/builder.rs`."><title>builder.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-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="actix_http" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (bdbbb6c6a 2024-05-26)" data-channel="nightly" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-118b08c4c78b968e.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-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-df360f571f6edeae.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="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a> <a href="#2" id="2">2</a> <a href="#3" id="3">3</a> <a href="#4" id="4">4</a> <a href="#5" id="5">5</a> <a href="#6" id="6">6</a> <a href="#7" id="7">7</a> <a href="#8" id="8">8</a> <a href="#9" id="9">9</a> <a href="#10" id="10">10</a> <a href="#11" id="11">11</a> <a href="#12" id="12">12</a> <a href="#13" id="13">13</a> <a href="#14" id="14">14</a> <a href="#15" id="15">15</a> <a href="#16" id="16">16</a> <a href="#17" id="17">17</a> <a href="#18" id="18">18</a> <a href="#19" id="19">19</a> <a href="#20" id="20">20</a> <a href="#21" id="21">21</a> <a href="#22" id="22">22</a> <a href="#23" id="23">23</a> <a href="#24" id="24">24</a> <a href="#25" id="25">25</a> <a href="#26" id="26">26</a> <a href="#27" id="27">27</a> <a href="#28" id="28">28</a> <a href="#29" id="29">29</a> <a href="#30" id="30">30</a> <a href="#31" id="31">31</a> <a href="#32" id="32">32</a> <a href="#33" id="33">33</a> <a href="#34" id="34">34</a> <a href="#35" id="35">35</a> <a href="#36" id="36">36</a> <a href="#37" id="37">37</a> <a href="#38" id="38">38</a> <a href="#39" id="39">39</a> <a href="#40" id="40">40</a> <a href="#41" id="41">41</a> <a href="#42" id="42">42</a> <a href="#43" id="43">43</a> <a href="#44" id="44">44</a> <a href="#45" id="45">45</a> <a href="#46" id="46">46</a> <a href="#47" id="47">47</a> <a href="#48" id="48">48</a> <a href="#49" id="49">49</a> <a href="#50" id="50">50</a> <a href="#51" id="51">51</a> <a href="#52" id="52">52</a> <a href="#53" id="53">53</a> <a href="#54" id="54">54</a> <a href="#55" id="55">55</a> <a href="#56" id="56">56</a> <a href="#57" id="57">57</a> <a href="#58" id="58">58</a> <a href="#59" id="59">59</a> <a href="#60" id="60">60</a> <a href="#61" id="61">61</a> <a href="#62" id="62">62</a> <a href="#63" id="63">63</a> <a href="#64" id="64">64</a> <a href="#65" id="65">65</a> <a href="#66" id="66">66</a> <a href="#67" id="67">67</a> <a href="#68" id="68">68</a> <a href="#69" id="69">69</a> <a href="#70" id="70">70</a> <a href="#71" id="71">71</a> <a href="#72" id="72">72</a> <a href="#73" id="73">73</a> <a href="#74" id="74">74</a> <a href="#75" id="75">75</a> <a href="#76" id="76">76</a> <a href="#77" id="77">77</a> <a href="#78" id="78">78</a> <a href="#79" id="79">79</a> <a href="#80" id="80">80</a> <a href="#81" id="81">81</a> <a href="#82" id="82">82</a> <a href="#83" id="83">83</a> <a href="#84" id="84">84</a> <a href="#85" id="85">85</a> <a href="#86" id="86">86</a> <a href="#87" id="87">87</a> <a href="#88" id="88">88</a> <a href="#89" id="89">89</a> <a href="#90" id="90">90</a> <a href="#91" id="91">91</a> <a href="#92" id="92">92</a> <a href="#93" id="93">93</a> <a href="#94" id="94">94</a> <a href="#95" id="95">95</a> <a href="#96" id="96">96</a> <a href="#97" id="97">97</a> <a href="#98" id="98">98</a> <a href="#99" id="99">99</a> <a href="#100" id="100">100</a> <a href="#101" id="101">101</a> <a href="#102" id="102">102</a> <a href="#103" id="103">103</a> <a href="#104" id="104">104</a> <a href="#105" id="105">105</a> <a href="#106" id="106">106</a> <a href="#107" id="107">107</a> <a href="#108" id="108">108</a> <a href="#109" id="109">109</a> <a href="#110" id="110">110</a> <a href="#111" id="111">111</a> <a href="#112" id="112">112</a> <a href="#113" id="113">113</a> <a href="#114" id="114">114</a> <a href="#115" id="115">115</a> <a href="#116" id="116">116</a> <a href="#117" id="117">117</a> <a href="#118" id="118">118</a> <a href="#119" id="119">119</a> <a href="#120" id="120">120</a> <a href="#121" id="121">121</a> <a href="#122" id="122">122</a> <a href="#123" id="123">123</a> <a href="#124" id="124">124</a> <a href="#125" id="125">125</a> <a href="#126" id="126">126</a> <a href="#127" id="127">127</a> <a href="#128" id="128">128</a> <a href="#129" id="129">129</a> <a href="#130" id="130">130</a> <a href="#131" id="131">131</a> <a href="#132" id="132">132</a> <a href="#133" id="133">133</a> <a href="#134" id="134">134</a> <a href="#135" id="135">135</a> <a href="#136" id="136">136</a> <a href="#137" id="137">137</a> <a href="#138" id="138">138</a> <a href="#139" id="139">139</a> <a href="#140" id="140">140</a> <a href="#141" id="141">141</a> <a href="#142" id="142">142</a> <a href="#143" id="143">143</a> <a href="#144" id="144">144</a> <a href="#145" id="145">145</a> <a href="#146" id="146">146</a> <a href="#147" id="147">147</a> <a href="#148" id="148">148</a> <a href="#149" id="149">149</a> <a href="#150" id="150">150</a> <a href="#151" id="151">151</a> <a href="#152" id="152">152</a> <a href="#153" id="153">153</a> <a href="#154" id="154">154</a> <a href="#155" id="155">155</a> <a href="#156" id="156">156</a> <a href="#157" id="157">157</a> <a href="#158" id="158">158</a> <a href="#159" id="159">159</a> <a href="#160" id="160">160</a> <a href="#161" id="161">161</a> <a href="#162" id="162">162</a> <a href="#163" id="163">163</a> <a href="#164" id="164">164</a> <a href="#165" id="165">165</a> <a href="#166" id="166">166</a> <a href="#167" id="167">167</a> <a href="#168" id="168">168</a> <a href="#169" id="169">169</a> <a href="#170" id="170">170</a> <a href="#171" id="171">171</a> <a href="#172" id="172">172</a> <a href="#173" id="173">173</a> <a href="#174" id="174">174</a> <a href="#175" id="175">175</a> <a href="#176" id="176">176</a> <a href="#177" id="177">177</a> <a href="#178" id="178">178</a> <a href="#179" id="179">179</a> <a href="#180" id="180">180</a> <a href="#181" id="181">181</a> <a href="#182" id="182">182</a> <a href="#183" id="183">183</a> <a href="#184" id="184">184</a> <a href="#185" id="185">185</a> <a href="#186" id="186">186</a> <a href="#187" id="187">187</a> <a href="#188" id="188">188</a> <a href="#189" id="189">189</a> <a href="#190" id="190">190</a> <a href="#191" id="191">191</a> <a href="#192" id="192">192</a> <a href="#193" id="193">193</a> <a href="#194" id="194">194</a> <a href="#195" id="195">195</a> <a href="#196" id="196">196</a> <a href="#197" id="197">197</a> <a href="#198" id="198">198</a> <a href="#199" id="199">199</a> <a href="#200" id="200">200</a> <a href="#201" id="201">201</a> <a href="#202" id="202">202</a> <a href="#203" id="203">203</a> <a href="#204" id="204">204</a> <a href="#205" id="205">205</a> <a href="#206" id="206">206</a> <a href="#207" id="207">207</a> <a href="#208" id="208">208</a> <a href="#209" id="209">209</a> <a href="#210" id="210">210</a> <a href="#211" id="211">211</a> <a href="#212" id="212">212</a> <a href="#213" id="213">213</a> <a href="#214" id="214">214</a> <a href="#215" id="215">215</a> <a href="#216" id="216">216</a> <a href="#217" id="217">217</a> <a href="#218" id="218">218</a> <a href="#219" id="219">219</a> <a href="#220" id="220">220</a> <a href="#221" id="221">221</a> <a href="#222" id="222">222</a> <a href="#223" id="223">223</a> <a href="#224" id="224">224</a> <a href="#225" id="225">225</a> <a href="#226" id="226">226</a> <a href="#227" id="227">227</a> <a href="#228" id="228">228</a> <a href="#229" id="229">229</a> <a href="#230" id="230">230</a> <a href="#231" id="231">231</a> <a href="#232" id="232">232</a> <a href="#233" id="233">233</a> <a href="#234" id="234">234</a> <a href="#235" id="235">235</a> <a href="#236" id="236">236</a> <a href="#237" id="237">237</a> <a href="#238" id="238">238</a> <a href="#239" id="239">239</a> <a href="#240" id="240">240</a> <a href="#241" id="241">241</a> <a href="#242" id="242">242</a> <a href="#243" id="243">243</a> <a href="#244" id="244">244</a> <a href="#245" id="245">245</a> <a href="#246" id="246">246</a> <a href="#247" id="247">247</a> <a href="#248" id="248">248</a> <a href="#249" id="249">249</a> <a href="#250" id="250">250</a> <a href="#251" id="251">251</a> <a href="#252" id="252">252</a> <a href="#253" id="253">253</a> <a href="#254" id="254">254</a> <a href="#255" id="255">255</a> <a href="#256" id="256">256</a> <a href="#257" id="257">257</a> <a href="#258" id="258">258</a> </pre></div><pre class="rust"><code><span class="kw">use </span>std::{fmt, marker::PhantomData, net, rc::Rc, time::Duration}; <span class="kw">use </span>actix_codec::Framed; <span class="kw">use </span>actix_service::{IntoServiceFactory, Service, ServiceFactory}; <span class="kw">use crate</span>::{ body::{BoxBody, MessageBody}, h1::{<span class="self">self</span>, ExpectHandler, H1Service, UpgradeHandler}, service::HttpService, ConnectCallback, Extensions, KeepAlive, Request, Response, ServiceConfig, }; <span class="doccomment">/// An HTTP service builder. /// /// This type can construct an instance of [`HttpService`] through a builder-like pattern. </span><span class="kw">pub struct </span>HttpServiceBuilder<T, S, X = ExpectHandler, U = UpgradeHandler> { keep_alive: KeepAlive, client_request_timeout: Duration, client_disconnect_timeout: Duration, secure: bool, local_addr: <span class="prelude-ty">Option</span><net::SocketAddr>, expect: X, upgrade: <span class="prelude-ty">Option</span><U>, on_connect_ext: <span class="prelude-ty">Option</span><Rc<ConnectCallback<T>>>, _phantom: PhantomData<S>, } <span class="kw">impl</span><T, S> Default <span class="kw">for </span>HttpServiceBuilder<T, S, ExpectHandler, UpgradeHandler> <span class="kw">where </span>S: ServiceFactory<Request, Config = ()>, S::Error: Into<Response<BoxBody>> + <span class="lifetime">'static</span>, S::InitError: fmt::Debug, <S::Service <span class="kw">as </span>Service<Request>>::Future: <span class="lifetime">'static</span>, { <span class="kw">fn </span>default() -> <span class="self">Self </span>{ HttpServiceBuilder { <span class="comment">// ServiceConfig parts (make sure defaults match) </span>keep_alive: KeepAlive::default(), client_request_timeout: Duration::from_secs(<span class="number">5</span>), client_disconnect_timeout: Duration::ZERO, secure: <span class="bool-val">false</span>, local_addr: <span class="prelude-val">None</span>, <span class="comment">// dispatcher parts </span>expect: ExpectHandler, upgrade: <span class="prelude-val">None</span>, on_connect_ext: <span class="prelude-val">None</span>, _phantom: PhantomData, } } } <span class="kw">impl</span><T, S, X, U> HttpServiceBuilder<T, S, X, U> <span class="kw">where </span>S: ServiceFactory<Request, Config = ()>, S::Error: Into<Response<BoxBody>> + <span class="lifetime">'static</span>, S::InitError: fmt::Debug, <S::Service <span class="kw">as </span>Service<Request>>::Future: <span class="lifetime">'static</span>, X: ServiceFactory<Request, Config = (), Response = Request>, X::Error: Into<Response<BoxBody>>, X::InitError: fmt::Debug, U: ServiceFactory<(Request, Framed<T, h1::Codec>), Config = (), Response = ()>, U::Error: fmt::Display, U::InitError: fmt::Debug, { <span class="doccomment">/// Set connection keep-alive setting. /// /// Applies to HTTP/1.1 keep-alive and HTTP/2 ping-pong. /// /// By default keep-alive is 5 seconds. </span><span class="kw">pub fn </span>keep_alive<W: Into<KeepAlive>>(<span class="kw-2">mut </span><span class="self">self</span>, val: W) -> <span class="self">Self </span>{ <span class="self">self</span>.keep_alive = val.into(); <span class="self">self </span>} <span class="doccomment">/// Set connection secure state </span><span class="kw">pub fn </span>secure(<span class="kw-2">mut </span><span class="self">self</span>) -> <span class="self">Self </span>{ <span class="self">self</span>.secure = <span class="bool-val">true</span>; <span class="self">self </span>} <span class="doccomment">/// Set the local address that this service is bound to. </span><span class="kw">pub fn </span>local_addr(<span class="kw-2">mut </span><span class="self">self</span>, addr: net::SocketAddr) -> <span class="self">Self </span>{ <span class="self">self</span>.local_addr = <span class="prelude-val">Some</span>(addr); <span class="self">self </span>} <span class="doccomment">/// Set client request timeout (for first request). /// /// Defines a timeout for reading client request header. If the client does not transmit the /// request head within this duration, the connection is terminated with a `408 Request Timeout` /// response error. /// /// A duration of zero disables the timeout. /// /// By default, the client timeout is 5 seconds. </span><span class="kw">pub fn </span>client_request_timeout(<span class="kw-2">mut </span><span class="self">self</span>, dur: Duration) -> <span class="self">Self </span>{ <span class="self">self</span>.client_request_timeout = dur; <span class="self">self </span>} <span class="attr">#[doc(hidden)] #[deprecated(since = <span class="string">"3.0.0"</span>, note = <span class="string">"Renamed to `client_request_timeout`."</span>)] </span><span class="kw">pub fn </span>client_timeout(<span class="self">self</span>, dur: Duration) -> <span class="self">Self </span>{ <span class="self">self</span>.client_request_timeout(dur) } <span class="doccomment">/// Set client connection disconnect timeout. /// /// Defines a timeout for disconnect connection. If a disconnect procedure does not complete /// within this time, the request get dropped. This timeout affects secure connections. /// /// A duration of zero disables the timeout. /// /// By default, the disconnect timeout is disabled. </span><span class="kw">pub fn </span>client_disconnect_timeout(<span class="kw-2">mut </span><span class="self">self</span>, dur: Duration) -> <span class="self">Self </span>{ <span class="self">self</span>.client_disconnect_timeout = dur; <span class="self">self </span>} <span class="attr">#[doc(hidden)] #[deprecated(since = <span class="string">"3.0.0"</span>, note = <span class="string">"Renamed to `client_disconnect_timeout`."</span>)] </span><span class="kw">pub fn </span>client_disconnect(<span class="self">self</span>, dur: Duration) -> <span class="self">Self </span>{ <span class="self">self</span>.client_disconnect_timeout(dur) } <span class="doccomment">/// Provide service for `EXPECT: 100-Continue` support. /// /// Service get called with request that contains `EXPECT` header. /// Service must return request in case of success, in that case /// request will be forwarded to main service. </span><span class="kw">pub fn </span>expect<F, X1>(<span class="self">self</span>, expect: F) -> HttpServiceBuilder<T, S, X1, U> <span class="kw">where </span>F: IntoServiceFactory<X1, Request>, X1: ServiceFactory<Request, Config = (), Response = Request>, X1::Error: Into<Response<BoxBody>>, X1::InitError: fmt::Debug, { HttpServiceBuilder { keep_alive: <span class="self">self</span>.keep_alive, client_request_timeout: <span class="self">self</span>.client_request_timeout, client_disconnect_timeout: <span class="self">self</span>.client_disconnect_timeout, secure: <span class="self">self</span>.secure, local_addr: <span class="self">self</span>.local_addr, expect: expect.into_factory(), upgrade: <span class="self">self</span>.upgrade, on_connect_ext: <span class="self">self</span>.on_connect_ext, _phantom: PhantomData, } } <span class="doccomment">/// Provide service for custom `Connection: UPGRADE` support. /// /// If service is provided then normal requests handling get halted /// and this service get called with original request and framed object. </span><span class="kw">pub fn </span>upgrade<F, U1>(<span class="self">self</span>, upgrade: F) -> HttpServiceBuilder<T, S, X, U1> <span class="kw">where </span>F: IntoServiceFactory<U1, (Request, Framed<T, h1::Codec>)>, U1: ServiceFactory<(Request, Framed<T, h1::Codec>), Config = (), Response = ()>, U1::Error: fmt::Display, U1::InitError: fmt::Debug, { HttpServiceBuilder { keep_alive: <span class="self">self</span>.keep_alive, client_request_timeout: <span class="self">self</span>.client_request_timeout, client_disconnect_timeout: <span class="self">self</span>.client_disconnect_timeout, secure: <span class="self">self</span>.secure, local_addr: <span class="self">self</span>.local_addr, expect: <span class="self">self</span>.expect, upgrade: <span class="prelude-val">Some</span>(upgrade.into_factory()), on_connect_ext: <span class="self">self</span>.on_connect_ext, _phantom: PhantomData, } } <span class="doccomment">/// Sets the callback to be run on connection establishment. /// /// Has mutable access to a data container that will be merged into request extensions. /// This enables transport layer data (like client certificates) to be accessed in middleware /// and handlers. </span><span class="kw">pub fn </span>on_connect_ext<F>(<span class="kw-2">mut </span><span class="self">self</span>, f: F) -> <span class="self">Self </span><span class="kw">where </span>F: Fn(<span class="kw-2">&</span>T, <span class="kw-2">&mut </span>Extensions) + <span class="lifetime">'static</span>, { <span class="self">self</span>.on_connect_ext = <span class="prelude-val">Some</span>(Rc::new(f)); <span class="self">self </span>} <span class="doccomment">/// Finish service configuration and create a service for the HTTP/1 protocol. </span><span class="kw">pub fn </span>h1<F, B>(<span class="self">self</span>, service: F) -> H1Service<T, S, B, X, U> <span class="kw">where </span>B: MessageBody, F: IntoServiceFactory<S, Request>, S::Error: Into<Response<BoxBody>>, S::InitError: fmt::Debug, S::Response: Into<Response<B>>, { <span class="kw">let </span>cfg = ServiceConfig::new( <span class="self">self</span>.keep_alive, <span class="self">self</span>.client_request_timeout, <span class="self">self</span>.client_disconnect_timeout, <span class="self">self</span>.secure, <span class="self">self</span>.local_addr, ); H1Service::with_config(cfg, service.into_factory()) .expect(<span class="self">self</span>.expect) .upgrade(<span class="self">self</span>.upgrade) .on_connect_ext(<span class="self">self</span>.on_connect_ext) } <span class="doccomment">/// Finish service configuration and create a service for the HTTP/2 protocol. </span><span class="attr">#[cfg(feature = <span class="string">"http2"</span>)] </span><span class="kw">pub fn </span>h2<F, B>(<span class="self">self</span>, service: F) -> <span class="kw">crate</span>::h2::H2Service<T, S, B> <span class="kw">where </span>F: IntoServiceFactory<S, Request>, S::Error: Into<Response<BoxBody>> + <span class="lifetime">'static</span>, S::InitError: fmt::Debug, S::Response: Into<Response<B>> + <span class="lifetime">'static</span>, B: MessageBody + <span class="lifetime">'static</span>, { <span class="kw">let </span>cfg = ServiceConfig::new( <span class="self">self</span>.keep_alive, <span class="self">self</span>.client_request_timeout, <span class="self">self</span>.client_disconnect_timeout, <span class="self">self</span>.secure, <span class="self">self</span>.local_addr, ); <span class="kw">crate</span>::h2::H2Service::with_config(cfg, service.into_factory()) .on_connect_ext(<span class="self">self</span>.on_connect_ext) } <span class="doccomment">/// Finish service configuration and create `HttpService` instance. </span><span class="kw">pub fn </span>finish<F, B>(<span class="self">self</span>, service: F) -> HttpService<T, S, B, X, U> <span class="kw">where </span>F: IntoServiceFactory<S, Request>, S::Error: Into<Response<BoxBody>> + <span class="lifetime">'static</span>, S::InitError: fmt::Debug, S::Response: Into<Response<B>> + <span class="lifetime">'static</span>, B: MessageBody + <span class="lifetime">'static</span>, { <span class="kw">let </span>cfg = ServiceConfig::new( <span class="self">self</span>.keep_alive, <span class="self">self</span>.client_request_timeout, <span class="self">self</span>.client_disconnect_timeout, <span class="self">self</span>.secure, <span class="self">self</span>.local_addr, ); HttpService::with_config(cfg, service.into_factory()) .expect(<span class="self">self</span>.expect) .upgrade(<span class="self">self</span>.upgrade) .on_connect_ext(<span class="self">self</span>.on_connect_ext) } } </code></pre></div></section></main></body></html>