mirror of
https://github.com/actix/actix-website
synced 2024-11-28 18:32:39 +01:00
693 lines
52 KiB
HTML
693 lines
52 KiB
HTML
<!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/h1writer.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>h1writer.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>
|
||
<span id="2"> 2</span>
|
||
<span id="3"> 3</span>
|
||
<span id="4"> 4</span>
|
||
<span id="5"> 5</span>
|
||
<span id="6"> 6</span>
|
||
<span id="7"> 7</span>
|
||
<span id="8"> 8</span>
|
||
<span id="9"> 9</span>
|
||
<span id="10"> 10</span>
|
||
<span id="11"> 11</span>
|
||
<span id="12"> 12</span>
|
||
<span id="13"> 13</span>
|
||
<span id="14"> 14</span>
|
||
<span id="15"> 15</span>
|
||
<span id="16"> 16</span>
|
||
<span id="17"> 17</span>
|
||
<span id="18"> 18</span>
|
||
<span id="19"> 19</span>
|
||
<span id="20"> 20</span>
|
||
<span id="21"> 21</span>
|
||
<span id="22"> 22</span>
|
||
<span id="23"> 23</span>
|
||
<span id="24"> 24</span>
|
||
<span id="25"> 25</span>
|
||
<span id="26"> 26</span>
|
||
<span id="27"> 27</span>
|
||
<span id="28"> 28</span>
|
||
<span id="29"> 29</span>
|
||
<span id="30"> 30</span>
|
||
<span id="31"> 31</span>
|
||
<span id="32"> 32</span>
|
||
<span id="33"> 33</span>
|
||
<span id="34"> 34</span>
|
||
<span id="35"> 35</span>
|
||
<span id="36"> 36</span>
|
||
<span id="37"> 37</span>
|
||
<span id="38"> 38</span>
|
||
<span id="39"> 39</span>
|
||
<span id="40"> 40</span>
|
||
<span id="41"> 41</span>
|
||
<span id="42"> 42</span>
|
||
<span id="43"> 43</span>
|
||
<span id="44"> 44</span>
|
||
<span id="45"> 45</span>
|
||
<span id="46"> 46</span>
|
||
<span id="47"> 47</span>
|
||
<span id="48"> 48</span>
|
||
<span id="49"> 49</span>
|
||
<span id="50"> 50</span>
|
||
<span id="51"> 51</span>
|
||
<span id="52"> 52</span>
|
||
<span id="53"> 53</span>
|
||
<span id="54"> 54</span>
|
||
<span id="55"> 55</span>
|
||
<span id="56"> 56</span>
|
||
<span id="57"> 57</span>
|
||
<span id="58"> 58</span>
|
||
<span id="59"> 59</span>
|
||
<span id="60"> 60</span>
|
||
<span id="61"> 61</span>
|
||
<span id="62"> 62</span>
|
||
<span id="63"> 63</span>
|
||
<span id="64"> 64</span>
|
||
<span id="65"> 65</span>
|
||
<span id="66"> 66</span>
|
||
<span id="67"> 67</span>
|
||
<span id="68"> 68</span>
|
||
<span id="69"> 69</span>
|
||
<span id="70"> 70</span>
|
||
<span id="71"> 71</span>
|
||
<span id="72"> 72</span>
|
||
<span id="73"> 73</span>
|
||
<span id="74"> 74</span>
|
||
<span id="75"> 75</span>
|
||
<span id="76"> 76</span>
|
||
<span id="77"> 77</span>
|
||
<span id="78"> 78</span>
|
||
<span id="79"> 79</span>
|
||
<span id="80"> 80</span>
|
||
<span id="81"> 81</span>
|
||
<span id="82"> 82</span>
|
||
<span id="83"> 83</span>
|
||
<span id="84"> 84</span>
|
||
<span id="85"> 85</span>
|
||
<span id="86"> 86</span>
|
||
<span id="87"> 87</span>
|
||
<span id="88"> 88</span>
|
||
<span id="89"> 89</span>
|
||
<span id="90"> 90</span>
|
||
<span id="91"> 91</span>
|
||
<span id="92"> 92</span>
|
||
<span id="93"> 93</span>
|
||
<span id="94"> 94</span>
|
||
<span id="95"> 95</span>
|
||
<span id="96"> 96</span>
|
||
<span id="97"> 97</span>
|
||
<span id="98"> 98</span>
|
||
<span id="99"> 99</span>
|
||
<span id="100">100</span>
|
||
<span id="101">101</span>
|
||
<span id="102">102</span>
|
||
<span id="103">103</span>
|
||
<span id="104">104</span>
|
||
<span id="105">105</span>
|
||
<span id="106">106</span>
|
||
<span id="107">107</span>
|
||
<span id="108">108</span>
|
||
<span id="109">109</span>
|
||
<span id="110">110</span>
|
||
<span id="111">111</span>
|
||
<span id="112">112</span>
|
||
<span id="113">113</span>
|
||
<span id="114">114</span>
|
||
<span id="115">115</span>
|
||
<span id="116">116</span>
|
||
<span id="117">117</span>
|
||
<span id="118">118</span>
|
||
<span id="119">119</span>
|
||
<span id="120">120</span>
|
||
<span id="121">121</span>
|
||
<span id="122">122</span>
|
||
<span id="123">123</span>
|
||
<span id="124">124</span>
|
||
<span id="125">125</span>
|
||
<span id="126">126</span>
|
||
<span id="127">127</span>
|
||
<span id="128">128</span>
|
||
<span id="129">129</span>
|
||
<span id="130">130</span>
|
||
<span id="131">131</span>
|
||
<span id="132">132</span>
|
||
<span id="133">133</span>
|
||
<span id="134">134</span>
|
||
<span id="135">135</span>
|
||
<span id="136">136</span>
|
||
<span id="137">137</span>
|
||
<span id="138">138</span>
|
||
<span id="139">139</span>
|
||
<span id="140">140</span>
|
||
<span id="141">141</span>
|
||
<span id="142">142</span>
|
||
<span id="143">143</span>
|
||
<span id="144">144</span>
|
||
<span id="145">145</span>
|
||
<span id="146">146</span>
|
||
<span id="147">147</span>
|
||
<span id="148">148</span>
|
||
<span id="149">149</span>
|
||
<span id="150">150</span>
|
||
<span id="151">151</span>
|
||
<span id="152">152</span>
|
||
<span id="153">153</span>
|
||
<span id="154">154</span>
|
||
<span id="155">155</span>
|
||
<span id="156">156</span>
|
||
<span id="157">157</span>
|
||
<span id="158">158</span>
|
||
<span id="159">159</span>
|
||
<span id="160">160</span>
|
||
<span id="161">161</span>
|
||
<span id="162">162</span>
|
||
<span id="163">163</span>
|
||
<span id="164">164</span>
|
||
<span id="165">165</span>
|
||
<span id="166">166</span>
|
||
<span id="167">167</span>
|
||
<span id="168">168</span>
|
||
<span id="169">169</span>
|
||
<span id="170">170</span>
|
||
<span id="171">171</span>
|
||
<span id="172">172</span>
|
||
<span id="173">173</span>
|
||
<span id="174">174</span>
|
||
<span id="175">175</span>
|
||
<span id="176">176</span>
|
||
<span id="177">177</span>
|
||
<span id="178">178</span>
|
||
<span id="179">179</span>
|
||
<span id="180">180</span>
|
||
<span id="181">181</span>
|
||
<span id="182">182</span>
|
||
<span id="183">183</span>
|
||
<span id="184">184</span>
|
||
<span id="185">185</span>
|
||
<span id="186">186</span>
|
||
<span id="187">187</span>
|
||
<span id="188">188</span>
|
||
<span id="189">189</span>
|
||
<span id="190">190</span>
|
||
<span id="191">191</span>
|
||
<span id="192">192</span>
|
||
<span id="193">193</span>
|
||
<span id="194">194</span>
|
||
<span id="195">195</span>
|
||
<span id="196">196</span>
|
||
<span id="197">197</span>
|
||
<span id="198">198</span>
|
||
<span id="199">199</span>
|
||
<span id="200">200</span>
|
||
<span id="201">201</span>
|
||
<span id="202">202</span>
|
||
<span id="203">203</span>
|
||
<span id="204">204</span>
|
||
<span id="205">205</span>
|
||
<span id="206">206</span>
|
||
<span id="207">207</span>
|
||
<span id="208">208</span>
|
||
<span id="209">209</span>
|
||
<span id="210">210</span>
|
||
<span id="211">211</span>
|
||
<span id="212">212</span>
|
||
<span id="213">213</span>
|
||
<span id="214">214</span>
|
||
<span id="215">215</span>
|
||
<span id="216">216</span>
|
||
<span id="217">217</span>
|
||
<span id="218">218</span>
|
||
<span id="219">219</span>
|
||
<span id="220">220</span>
|
||
<span id="221">221</span>
|
||
<span id="222">222</span>
|
||
<span id="223">223</span>
|
||
<span id="224">224</span>
|
||
<span id="225">225</span>
|
||
<span id="226">226</span>
|
||
<span id="227">227</span>
|
||
<span id="228">228</span>
|
||
<span id="229">229</span>
|
||
<span id="230">230</span>
|
||
<span id="231">231</span>
|
||
<span id="232">232</span>
|
||
<span id="233">233</span>
|
||
<span id="234">234</span>
|
||
<span id="235">235</span>
|
||
<span id="236">236</span>
|
||
<span id="237">237</span>
|
||
<span id="238">238</span>
|
||
<span id="239">239</span>
|
||
<span id="240">240</span>
|
||
<span id="241">241</span>
|
||
<span id="242">242</span>
|
||
<span id="243">243</span>
|
||
<span id="244">244</span>
|
||
<span id="245">245</span>
|
||
<span id="246">246</span>
|
||
<span id="247">247</span>
|
||
<span id="248">248</span>
|
||
<span id="249">249</span>
|
||
<span id="250">250</span>
|
||
<span id="251">251</span>
|
||
<span id="252">252</span>
|
||
<span id="253">253</span>
|
||
<span id="254">254</span>
|
||
<span id="255">255</span>
|
||
<span id="256">256</span>
|
||
<span id="257">257</span>
|
||
<span id="258">258</span>
|
||
<span id="259">259</span>
|
||
<span id="260">260</span>
|
||
<span id="261">261</span>
|
||
<span id="262">262</span>
|
||
<span id="263">263</span>
|
||
<span id="264">264</span>
|
||
<span id="265">265</span>
|
||
<span id="266">266</span>
|
||
<span id="267">267</span>
|
||
<span id="268">268</span>
|
||
<span id="269">269</span>
|
||
<span id="270">270</span>
|
||
<span id="271">271</span>
|
||
<span id="272">272</span>
|
||
<span id="273">273</span>
|
||
<span id="274">274</span>
|
||
<span id="275">275</span>
|
||
<span id="276">276</span>
|
||
<span id="277">277</span>
|
||
<span id="278">278</span>
|
||
<span id="279">279</span>
|
||
<span id="280">280</span>
|
||
<span id="281">281</span>
|
||
<span id="282">282</span>
|
||
<span id="283">283</span>
|
||
<span id="284">284</span>
|
||
<span id="285">285</span>
|
||
<span id="286">286</span>
|
||
<span id="287">287</span>
|
||
<span id="288">288</span>
|
||
<span id="289">289</span>
|
||
<span id="290">290</span>
|
||
<span id="291">291</span>
|
||
<span id="292">292</span>
|
||
<span id="293">293</span>
|
||
<span id="294">294</span>
|
||
<span id="295">295</span>
|
||
<span id="296">296</span>
|
||
<span id="297">297</span>
|
||
<span id="298">298</span>
|
||
<span id="299">299</span>
|
||
<span id="300">300</span>
|
||
<span id="301">301</span>
|
||
<span id="302">302</span>
|
||
<span id="303">303</span>
|
||
<span id="304">304</span>
|
||
<span id="305">305</span>
|
||
<span id="306">306</span>
|
||
<span id="307">307</span>
|
||
<span id="308">308</span>
|
||
<span id="309">309</span>
|
||
<span id="310">310</span>
|
||
<span id="311">311</span>
|
||
<span id="312">312</span>
|
||
<span id="313">313</span>
|
||
<span id="314">314</span>
|
||
<span id="315">315</span>
|
||
<span id="316">316</span>
|
||
<span id="317">317</span>
|
||
<span id="318">318</span>
|
||
<span id="319">319</span>
|
||
<span id="320">320</span>
|
||
<span id="321">321</span>
|
||
<span id="322">322</span>
|
||
<span id="323">323</span>
|
||
<span id="324">324</span>
|
||
<span id="325">325</span>
|
||
<span id="326">326</span>
|
||
<span id="327">327</span>
|
||
<span id="328">328</span>
|
||
<span id="329">329</span>
|
||
<span id="330">330</span>
|
||
<span id="331">331</span>
|
||
<span id="332">332</span>
|
||
<span id="333">333</span>
|
||
<span id="334">334</span>
|
||
<span id="335">335</span>
|
||
<span id="336">336</span>
|
||
<span id="337">337</span>
|
||
<span id="338">338</span>
|
||
<span id="339">339</span>
|
||
<span id="340">340</span>
|
||
<span id="341">341</span>
|
||
<span id="342">342</span>
|
||
<span id="343">343</span>
|
||
<span id="344">344</span>
|
||
<span id="345">345</span>
|
||
</pre><pre class="rust ">
|
||
<span class="comment">// #![cfg_attr(feature = "cargo-clippy", allow(redundant_field_names))]</span>
|
||
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::{<span class="self">self</span>, <span class="ident">Write</span>};
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">rc</span>::<span class="ident">Rc</span>;
|
||
|
||
<span class="kw">use</span> <span class="ident">bytes</span>::{<span class="ident">BufMut</span>, <span class="ident">BytesMut</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="ident">tokio_io</span>::<span class="ident">AsyncWrite</span>;
|
||
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">helpers</span>;
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">output</span>::{<span class="ident">Output</span>, <span class="ident">ResponseInfo</span>, <span class="ident">ResponseLength</span>};
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">settings</span>::<span class="ident">WorkerSettings</span>;
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">Request</span>;
|
||
<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">Writer</span>, <span class="ident">WriterState</span>, <span class="ident">MAX_WRITE_BUFFER_SIZE</span>};
|
||
<span class="kw">use</span> <span class="ident">body</span>::{<span class="ident">Binary</span>, <span class="ident">Body</span>};
|
||
<span class="kw">use</span> <span class="ident">header</span>::<span class="ident">ContentEncoding</span>;
|
||
<span class="kw">use</span> <span class="ident">http</span>::<span class="ident">header</span>::{
|
||
<span class="ident">HeaderValue</span>, <span class="ident">CONNECTION</span>, <span class="ident">CONTENT_ENCODING</span>, <span class="ident">CONTENT_LENGTH</span>, <span class="ident">DATE</span>, <span class="ident">TRANSFER_ENCODING</span>,
|
||
};
|
||
<span class="kw">use</span> <span class="ident">http</span>::{<span class="ident">Method</span>, <span class="ident">Version</span>};
|
||
<span class="kw">use</span> <span class="ident">httpresponse</span>::<span class="ident">HttpResponse</span>;
|
||
|
||
<span class="kw">const</span> <span class="ident">AVERAGE_HEADER_SIZE</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">30</span>; <span class="comment">// totally scientific</span>
|
||
|
||
<span class="macro">bitflags</span><span class="macro">!</span> {
|
||
<span class="kw">struct</span> <span class="ident">Flags</span>: <span class="ident">u8</span> {
|
||
<span class="kw">const</span> <span class="ident">STARTED</span> <span class="op">=</span> <span class="number">0b0000_0001</span>;
|
||
<span class="kw">const</span> <span class="ident">UPGRADE</span> <span class="op">=</span> <span class="number">0b0000_0010</span>;
|
||
<span class="kw">const</span> <span class="ident">KEEPALIVE</span> <span class="op">=</span> <span class="number">0b0000_0100</span>;
|
||
<span class="kw">const</span> <span class="ident">DISCONNECTED</span> <span class="op">=</span> <span class="number">0b0000_1000</span>;
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct</span> <span class="ident">H1Writer</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">AsyncWrite</span>, <span class="ident">H</span>: <span class="lifetime">'static</span><span class="op">></span> {
|
||
<span class="ident">flags</span>: <span class="ident">Flags</span>,
|
||
<span class="ident">stream</span>: <span class="ident">T</span>,
|
||
<span class="ident">written</span>: <span class="ident">u64</span>,
|
||
<span class="ident">headers_size</span>: <span class="ident">u32</span>,
|
||
<span class="ident">buffer</span>: <span class="ident">Output</span>,
|
||
<span class="ident">buffer_capacity</span>: <span class="ident">usize</span>,
|
||
<span class="ident">settings</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">WorkerSettings</span><span class="op"><</span><span class="ident">H</span><span class="op">>></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">AsyncWrite</span>, <span class="ident">H</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">H1Writer</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">H</span><span class="op">></span> {
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">stream</span>: <span class="ident">T</span>, <span class="ident">settings</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">WorkerSettings</span><span class="op"><</span><span class="ident">H</span><span class="op">>></span>) <span class="op">-></span> <span class="ident">H1Writer</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">H</span><span class="op">></span> {
|
||
<span class="ident">H1Writer</span> {
|
||
<span class="ident">flags</span>: <span class="ident">Flags</span>::<span class="ident">KEEPALIVE</span>,
|
||
<span class="ident">written</span>: <span class="number">0</span>,
|
||
<span class="ident">headers_size</span>: <span class="number">0</span>,
|
||
<span class="ident">buffer</span>: <span class="ident">Output</span>::<span class="ident">Buffer</span>(<span class="ident">settings</span>.<span class="ident">get_bytes</span>()),
|
||
<span class="ident">buffer_capacity</span>: <span class="number">0</span>,
|
||
<span class="ident">stream</span>,
|
||
<span class="ident">settings</span>,
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">T</span> {
|
||
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">stream</span>
|
||
}
|
||
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">reset</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {
|
||
<span class="self">self</span>.<span class="ident">written</span> <span class="op">=</span> <span class="number">0</span>;
|
||
<span class="self">self</span>.<span class="ident">flags</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">KEEPALIVE</span>;
|
||
}
|
||
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">disconnected</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {}
|
||
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">keepalive</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
|
||
<span class="self">self</span>.<span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">Flags</span>::<span class="ident">KEEPALIVE</span>) <span class="op">&&</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">Flags</span>::<span class="ident">UPGRADE</span>)
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">write_data</span>(<span class="ident">stream</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">T</span>, <span class="ident">data</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">written</span> <span class="op">=</span> <span class="number">0</span>;
|
||
<span class="kw">while</span> <span class="ident">written</span> <span class="op"><</span> <span class="ident">data</span>.<span class="ident">len</span>() {
|
||
<span class="kw">match</span> <span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span><span class="ident">data</span>[<span class="ident">written</span>..]) {
|
||
<span class="prelude-val">Ok</span>(<span class="number">0</span>) <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">io</span>::<span class="ident">Error</span>::<span class="ident">new</span>(<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">WriteZero</span>, <span class="string">""</span>));
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">n</span>) <span class="op">=></span> {
|
||
<span class="ident">written</span> <span class="op">+=</span> <span class="ident">n</span>;
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="kw-2">ref</span> <span class="ident">e</span>) <span class="kw">if</span> <span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">WouldBlock</span> <span class="op">=></span> {
|
||
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">written</span>)
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>),
|
||
}
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">written</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">AsyncWrite</span>, <span class="ident">H</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">H1Writer</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">H</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">bytes</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">take_option</span>() {
|
||
<span class="self">self</span>.<span class="ident">settings</span>.<span class="ident">release_bytes</span>(<span class="ident">bytes</span>);
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">AsyncWrite</span>, <span class="ident">H</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Writer</span> <span class="kw">for</span> <span class="ident">H1Writer</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">H</span><span class="op">></span> {
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">written</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">u64</span> {
|
||
<span class="self">self</span>.<span class="ident">written</span>
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">set_date</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) {
|
||
<span class="self">self</span>.<span class="ident">settings</span>.<span class="ident">set_date</span>(<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">as_mut</span>(), <span class="bool-val">true</span>)
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">buffer</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">BytesMut</span> {
|
||
<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">as_mut</span>()
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">start</span>(
|
||
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">req</span>: <span class="kw-2">&</span><span class="ident">Request</span>, <span class="ident">msg</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">HttpResponse</span>, <span class="ident">encoding</span>: <span class="ident">ContentEncoding</span>,
|
||
) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">WriterState</span><span class="op">></span> {
|
||
<span class="comment">// prepare task</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">ResponseInfo</span>::<span class="ident">new</span>(<span class="ident">req</span>.<span class="ident">inner</span>.<span class="ident">method</span> <span class="op">==</span> <span class="ident">Method</span>::<span class="ident">HEAD</span>);
|
||
<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">for_server</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">info</span>, <span class="kw-2">&</span><span class="ident">req</span>.<span class="ident">inner</span>, <span class="ident">msg</span>, <span class="ident">encoding</span>);
|
||
<span class="kw">if</span> <span class="ident">msg</span>.<span class="ident">keep_alive</span>().<span class="ident">unwrap_or_else</span>(<span class="op">||</span> <span class="ident">req</span>.<span class="ident">keep_alive</span>()) {
|
||
<span class="self">self</span>.<span class="ident">flags</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">STARTED</span> <span class="op">|</span> <span class="ident">Flags</span>::<span class="ident">KEEPALIVE</span>;
|
||
} <span class="kw">else</span> {
|
||
<span class="self">self</span>.<span class="ident">flags</span> <span class="op">=</span> <span class="ident">Flags</span>::<span class="ident">STARTED</span>;
|
||
}
|
||
|
||
<span class="comment">// Connection upgrade</span>
|
||
<span class="kw">let</span> <span class="ident">version</span> <span class="op">=</span> <span class="ident">msg</span>.<span class="ident">version</span>().<span class="ident">unwrap_or_else</span>(<span class="op">||</span> <span class="ident">req</span>.<span class="ident">inner</span>.<span class="ident">version</span>);
|
||
<span class="kw">if</span> <span class="ident">msg</span>.<span class="ident">upgrade</span>() {
|
||
<span class="self">self</span>.<span class="ident">flags</span>.<span class="ident">insert</span>(<span class="ident">Flags</span>::<span class="ident">UPGRADE</span>);
|
||
<span class="ident">msg</span>.<span class="ident">headers_mut</span>()
|
||
.<span class="ident">insert</span>(<span class="ident">CONNECTION</span>, <span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"upgrade"</span>));
|
||
}
|
||
<span class="comment">// keep-alive</span>
|
||
<span class="kw">else</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">Flags</span>::<span class="ident">KEEPALIVE</span>) {
|
||
<span class="kw">if</span> <span class="ident">version</span> <span class="op"><</span> <span class="ident">Version</span>::<span class="ident">HTTP_11</span> {
|
||
<span class="ident">msg</span>.<span class="ident">headers_mut</span>()
|
||
.<span class="ident">insert</span>(<span class="ident">CONNECTION</span>, <span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"keep-alive"</span>));
|
||
}
|
||
} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">version</span> <span class="op">>=</span> <span class="ident">Version</span>::<span class="ident">HTTP_11</span> {
|
||
<span class="ident">msg</span>.<span class="ident">headers_mut</span>()
|
||
.<span class="ident">insert</span>(<span class="ident">CONNECTION</span>, <span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"close"</span>));
|
||
}
|
||
<span class="kw">let</span> <span class="ident">body</span> <span class="op">=</span> <span class="ident">msg</span>.<span class="ident">replace_body</span>(<span class="ident">Body</span>::<span class="ident">Empty</span>);
|
||
|
||
<span class="comment">// render message</span>
|
||
{
|
||
<span class="comment">// output buffer</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">as_mut</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">reason</span> <span class="op">=</span> <span class="ident">msg</span>.<span class="ident">reason</span>().<span class="ident">as_bytes</span>();
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Body</span>::<span class="ident">Binary</span>(<span class="kw-2">ref</span> <span class="ident">bytes</span>) <span class="op">=</span> <span class="ident">body</span> {
|
||
<span class="ident">buffer</span>.<span class="ident">reserve</span>(
|
||
<span class="number">256</span>
|
||
<span class="op">+</span> <span class="ident">msg</span>.<span class="ident">headers</span>().<span class="ident">len</span>() <span class="op">*</span> <span class="ident">AVERAGE_HEADER_SIZE</span>
|
||
<span class="op">+</span> <span class="ident">bytes</span>.<span class="ident">len</span>()
|
||
<span class="op">+</span> <span class="ident">reason</span>.<span class="ident">len</span>(),
|
||
);
|
||
} <span class="kw">else</span> {
|
||
<span class="ident">buffer</span>.<span class="ident">reserve</span>(
|
||
<span class="number">256</span> <span class="op">+</span> <span class="ident">msg</span>.<span class="ident">headers</span>().<span class="ident">len</span>() <span class="op">*</span> <span class="ident">AVERAGE_HEADER_SIZE</span> <span class="op">+</span> <span class="ident">reason</span>.<span class="ident">len</span>(),
|
||
);
|
||
}
|
||
|
||
<span class="comment">// status line</span>
|
||
<span class="ident">helpers</span>::<span class="ident">write_status_line</span>(<span class="ident">version</span>, <span class="ident">msg</span>.<span class="ident">status</span>().<span class="ident">as_u16</span>(), <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buffer</span>);
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="ident">reason</span>);
|
||
|
||
<span class="comment">// content length</span>
|
||
<span class="kw">match</span> <span class="ident">info</span>.<span class="ident">length</span> {
|
||
<span class="ident">ResponseLength</span>::<span class="ident">Chunked</span> <span class="op">=></span> {
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"\r\ntransfer-encoding: chunked\r\n"</span>)
|
||
}
|
||
<span class="ident">ResponseLength</span>::<span class="ident">Zero</span> <span class="op">=></span> {
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"\r\ncontent-length: 0\r\n"</span>)
|
||
}
|
||
<span class="ident">ResponseLength</span>::<span class="ident">Length</span>(<span class="ident">len</span>) <span class="op">=></span> {
|
||
<span class="ident">helpers</span>::<span class="ident">write_content_length</span>(<span class="ident">len</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buffer</span>)
|
||
}
|
||
<span class="ident">ResponseLength</span>::<span class="ident">Length64</span>(<span class="ident">len</span>) <span class="op">=></span> {
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"\r\ncontent-length: "</span>);
|
||
<span class="macro">write</span><span class="macro">!</span>(<span class="ident">buffer</span>.<span class="ident">writer</span>(), <span class="string">"{}"</span>, <span class="ident">len</span>)<span class="question-mark">?</span>;
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"\r\n"</span>);
|
||
}
|
||
<span class="ident">ResponseLength</span>::<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"\r\n"</span>),
|
||
}
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">ce</span>) <span class="op">=</span> <span class="ident">info</span>.<span class="ident">content_encoding</span> {
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"content-encoding: "</span>);
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="ident">ce</span>.<span class="ident">as_ref</span>());
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"\r\n"</span>);
|
||
}
|
||
|
||
<span class="comment">// write headers</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">pos</span> <span class="op">=</span> <span class="number">0</span>;
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">has_date</span> <span class="op">=</span> <span class="bool-val">false</span>;
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">remaining</span> <span class="op">=</span> <span class="ident">buffer</span>.<span class="ident">remaining_mut</span>();
|
||
<span class="kw">unsafe</span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="kw-2">*</span>(<span class="ident">buffer</span>.<span class="ident">bytes_mut</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]);
|
||
<span class="kw">for</span> (<span class="ident">key</span>, <span class="ident">value</span>) <span class="kw">in</span> <span class="ident">msg</span>.<span class="ident">headers</span>() {
|
||
<span class="kw">match</span> <span class="kw-2">*</span><span class="ident">key</span> {
|
||
<span class="ident">TRANSFER_ENCODING</span> <span class="op">=></span> <span class="kw">continue</span>,
|
||
<span class="ident">CONTENT_ENCODING</span> <span class="op">=></span> <span class="kw">if</span> <span class="ident">encoding</span> <span class="op">!=</span> <span class="ident">ContentEncoding</span>::<span class="ident">Identity</span> {
|
||
<span class="kw">continue</span>;
|
||
},
|
||
<span class="ident">CONTENT_LENGTH</span> <span class="op">=></span> <span class="kw">match</span> <span class="ident">info</span>.<span class="ident">length</span> {
|
||
<span class="ident">ResponseLength</span>::<span class="prelude-val">None</span> <span class="op">=></span> (),
|
||
<span class="kw">_</span> <span class="op">=></span> <span class="kw">continue</span>,
|
||
},
|
||
<span class="ident">DATE</span> <span class="op">=></span> {
|
||
<span class="ident">has_date</span> <span class="op">=</span> <span class="bool-val">true</span>;
|
||
}
|
||
<span class="kw">_</span> <span class="op">=></span> (),
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="ident">v</span> <span class="op">=</span> <span class="ident">value</span>.<span class="ident">as_ref</span>();
|
||
<span class="kw">let</span> <span class="ident">k</span> <span class="op">=</span> <span class="ident">key</span>.<span class="ident">as_str</span>().<span class="ident">as_bytes</span>();
|
||
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">k</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="ident">v</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">4</span>;
|
||
<span class="kw">if</span> <span class="ident">len</span> <span class="op">></span> <span class="ident">remaining</span> {
|
||
<span class="ident">buffer</span>.<span class="ident">advance_mut</span>(<span class="ident">pos</span>);
|
||
<span class="ident">pos</span> <span class="op">=</span> <span class="number">0</span>;
|
||
<span class="ident">buffer</span>.<span class="ident">reserve</span>(<span class="ident">len</span>);
|
||
<span class="ident">remaining</span> <span class="op">=</span> <span class="ident">buffer</span>.<span class="ident">remaining_mut</span>();
|
||
<span class="ident">buf</span> <span class="op">=</span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="kw-2">*</span>(<span class="ident">buffer</span>.<span class="ident">bytes_mut</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span>);
|
||
}
|
||
|
||
<span class="ident">buf</span>[<span class="ident">pos</span>..<span class="ident">pos</span> <span class="op">+</span> <span class="ident">k</span>.<span class="ident">len</span>()].<span class="ident">copy_from_slice</span>(<span class="ident">k</span>);
|
||
<span class="ident">pos</span> <span class="op">+=</span> <span class="ident">k</span>.<span class="ident">len</span>();
|
||
<span class="ident">buf</span>[<span class="ident">pos</span>..<span class="ident">pos</span> <span class="op">+</span> <span class="number">2</span>].<span class="ident">copy_from_slice</span>(<span class="string">b": "</span>);
|
||
<span class="ident">pos</span> <span class="op">+=</span> <span class="number">2</span>;
|
||
<span class="ident">buf</span>[<span class="ident">pos</span>..<span class="ident">pos</span> <span class="op">+</span> <span class="ident">v</span>.<span class="ident">len</span>()].<span class="ident">copy_from_slice</span>(<span class="ident">v</span>);
|
||
<span class="ident">pos</span> <span class="op">+=</span> <span class="ident">v</span>.<span class="ident">len</span>();
|
||
<span class="ident">buf</span>[<span class="ident">pos</span>..<span class="ident">pos</span> <span class="op">+</span> <span class="number">2</span>].<span class="ident">copy_from_slice</span>(<span class="string">b"\r\n"</span>);
|
||
<span class="ident">pos</span> <span class="op">+=</span> <span class="number">2</span>;
|
||
<span class="ident">remaining</span> <span class="op">-=</span> <span class="ident">len</span>;
|
||
}
|
||
<span class="ident">buffer</span>.<span class="ident">advance_mut</span>(<span class="ident">pos</span>);
|
||
}
|
||
|
||
<span class="comment">// optimized date header, set_date writes \r\n</span>
|
||
<span class="kw">if</span> <span class="op">!</span><span class="ident">has_date</span> {
|
||
<span class="self">self</span>.<span class="ident">settings</span>.<span class="ident">set_date</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buffer</span>, <span class="bool-val">true</span>);
|
||
} <span class="kw">else</span> {
|
||
<span class="comment">// msg eof</span>
|
||
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"\r\n"</span>);
|
||
}
|
||
<span class="self">self</span>.<span class="ident">headers_size</span> <span class="op">=</span> <span class="ident">buffer</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u32</span>;
|
||
}
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Body</span>::<span class="ident">Binary</span>(<span class="ident">bytes</span>) <span class="op">=</span> <span class="ident">body</span> {
|
||
<span class="self">self</span>.<span class="ident">written</span> <span class="op">=</span> <span class="ident">bytes</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u64</span>;
|
||
<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">write</span>(<span class="ident">bytes</span>.<span class="ident">as_ref</span>())<span class="question-mark">?</span>;
|
||
} <span class="kw">else</span> {
|
||
<span class="comment">// capacity, makes sense only for streaming or actor</span>
|
||
<span class="self">self</span>.<span class="ident">buffer_capacity</span> <span class="op">=</span> <span class="ident">msg</span>.<span class="ident">write_buffer_capacity</span>();
|
||
|
||
<span class="ident">msg</span>.<span class="ident">replace_body</span>(<span class="ident">body</span>);
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">WriterState</span>::<span class="ident">Done</span>)
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">write</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">payload</span>: <span class="kw-2">&</span><span class="ident">Binary</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">WriterState</span><span class="op">></span> {
|
||
<span class="self">self</span>.<span class="ident">written</span> <span class="op">+=</span> <span class="ident">payload</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u64</span>;
|
||
<span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">Flags</span>::<span class="ident">DISCONNECTED</span>) {
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">Flags</span>::<span class="ident">STARTED</span>) {
|
||
<span class="comment">// shortcut for upgraded connection</span>
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">flags</span>.<span class="ident">contains</span>(<span class="ident">Flags</span>::<span class="ident">UPGRADE</span>) {
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">is_empty</span>() {
|
||
<span class="kw">let</span> <span class="ident">pl</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>] <span class="op">=</span> <span class="ident">payload</span>.<span class="ident">as_ref</span>();
|
||
<span class="kw">let</span> <span class="ident">n</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">Self</span>::<span class="ident">write_data</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">stream</span>, <span class="ident">pl</span>) {
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">err</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">WriteZero</span> {
|
||
<span class="self">self</span>.<span class="ident">disconnected</span>();
|
||
}
|
||
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>);
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">val</span>) <span class="op">=></span> <span class="ident">val</span>,
|
||
};
|
||
<span class="kw">if</span> <span class="ident">n</span> <span class="op"><</span> <span class="ident">pl</span>.<span class="ident">len</span>() {
|
||
<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">write</span>(<span class="kw-2">&</span><span class="ident">pl</span>[<span class="ident">n</span>..])<span class="question-mark">?</span>;
|
||
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">WriterState</span>::<span class="ident">Done</span>);
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">write</span>(<span class="ident">payload</span>.<span class="ident">as_ref</span>())<span class="question-mark">?</span>;
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="comment">// TODO: add warning, write after EOF</span>
|
||
<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">write</span>(<span class="ident">payload</span>.<span class="ident">as_ref</span>())<span class="question-mark">?</span>;
|
||
}
|
||
} <span class="kw">else</span> {
|
||
<span class="comment">// could be response to EXCEPT header</span>
|
||
<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">write</span>(<span class="ident">payload</span>.<span class="ident">as_ref</span>())<span class="question-mark">?</span>;
|
||
}
|
||
}
|
||
|
||
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">len</span>() <span class="op">></span> <span class="self">self</span>.<span class="ident">buffer_capacity</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">WriterState</span>::<span class="ident">Pause</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">WriterState</span>::<span class="ident">Done</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">write_eof</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">WriterState</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">write_eof</span>()<span class="question-mark">?</span> {
|
||
<span class="prelude-val">Err</span>(<span class="ident">io</span>::<span class="ident">Error</span>::<span class="ident">new</span>(
|
||
<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">Other</span>,
|
||
<span class="string">"Last payload item, but eof is not reached"</span>,
|
||
))
|
||
} <span class="kw">else</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">len</span>() <span class="op">></span> <span class="ident">MAX_WRITE_BUFFER_SIZE</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">WriterState</span>::<span class="ident">Pause</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">WriterState</span>::<span class="ident">Done</span>)
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">poll_completed</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">shutdown</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">Poll</span><span class="op"><</span>(), <span class="ident">io</span>::<span class="ident">Error</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">is_empty</span>() {
|
||
<span class="kw">let</span> <span class="ident">written</span> <span class="op">=</span> {
|
||
<span class="kw">match</span> <span class="self">Self</span>::<span class="ident">write_data</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">stream</span>, <span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">as_ref</span>().<span class="ident">as_ref</span>()) {
|
||
<span class="prelude-val">Err</span>(<span class="ident">err</span>) <span class="op">=></span> {
|
||
<span class="kw">if</span> <span class="ident">err</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">WriteZero</span> {
|
||
<span class="self">self</span>.<span class="ident">disconnected</span>();
|
||
}
|
||
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">err</span>);
|
||
}
|
||
<span class="prelude-val">Ok</span>(<span class="ident">val</span>) <span class="op">=></span> <span class="ident">val</span>,
|
||
}
|
||
};
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">split_to</span>(<span class="ident">written</span>);
|
||
<span class="kw">if</span> <span class="ident">shutdown</span> <span class="op">&&</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">is_empty</span>()
|
||
<span class="op">||</span> (<span class="self">self</span>.<span class="ident">buffer</span>.<span class="ident">len</span>() <span class="op">></span> <span class="self">self</span>.<span class="ident">buffer_capacity</span>)
|
||
{
|
||
<span class="kw">return</span> <span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">NotReady</span>);
|
||
}
|
||
}
|
||
<span class="kw">if</span> <span class="ident">shutdown</span> {
|
||
<span class="self">self</span>.<span class="ident">stream</span>.<span class="ident">shutdown</span>()
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Async</span>::<span class="ident">Ready</span>(()))
|
||
}
|
||
}
|
||
}
|
||
</pre>
|
||
</section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../";window.currentCrate = "actix_web";</script><script src="../../../aliases.js"></script><script src="../../../main.js"></script><script defer src="../../../search-index.js"></script></body></html> |