| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/h2-0.3.19/src/proto/streams/send.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>send.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../normalize.css"><link rel="stylesheet" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../dark.css" disabled><link rel="stylesheet" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../../h2/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../h2/index.html"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
| <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> |
| <span id="346">346</span> |
| <span id="347">347</span> |
| <span id="348">348</span> |
| <span id="349">349</span> |
| <span id="350">350</span> |
| <span id="351">351</span> |
| <span id="352">352</span> |
| <span id="353">353</span> |
| <span id="354">354</span> |
| <span id="355">355</span> |
| <span id="356">356</span> |
| <span id="357">357</span> |
| <span id="358">358</span> |
| <span id="359">359</span> |
| <span id="360">360</span> |
| <span id="361">361</span> |
| <span id="362">362</span> |
| <span id="363">363</span> |
| <span id="364">364</span> |
| <span id="365">365</span> |
| <span id="366">366</span> |
| <span id="367">367</span> |
| <span id="368">368</span> |
| <span id="369">369</span> |
| <span id="370">370</span> |
| <span id="371">371</span> |
| <span id="372">372</span> |
| <span id="373">373</span> |
| <span id="374">374</span> |
| <span id="375">375</span> |
| <span id="376">376</span> |
| <span id="377">377</span> |
| <span id="378">378</span> |
| <span id="379">379</span> |
| <span id="380">380</span> |
| <span id="381">381</span> |
| <span id="382">382</span> |
| <span id="383">383</span> |
| <span id="384">384</span> |
| <span id="385">385</span> |
| <span id="386">386</span> |
| <span id="387">387</span> |
| <span id="388">388</span> |
| <span id="389">389</span> |
| <span id="390">390</span> |
| <span id="391">391</span> |
| <span id="392">392</span> |
| <span id="393">393</span> |
| <span id="394">394</span> |
| <span id="395">395</span> |
| <span id="396">396</span> |
| <span id="397">397</span> |
| <span id="398">398</span> |
| <span id="399">399</span> |
| <span id="400">400</span> |
| <span id="401">401</span> |
| <span id="402">402</span> |
| <span id="403">403</span> |
| <span id="404">404</span> |
| <span id="405">405</span> |
| <span id="406">406</span> |
| <span id="407">407</span> |
| <span id="408">408</span> |
| <span id="409">409</span> |
| <span id="410">410</span> |
| <span id="411">411</span> |
| <span id="412">412</span> |
| <span id="413">413</span> |
| <span id="414">414</span> |
| <span id="415">415</span> |
| <span id="416">416</span> |
| <span id="417">417</span> |
| <span id="418">418</span> |
| <span id="419">419</span> |
| <span id="420">420</span> |
| <span id="421">421</span> |
| <span id="422">422</span> |
| <span id="423">423</span> |
| <span id="424">424</span> |
| <span id="425">425</span> |
| <span id="426">426</span> |
| <span id="427">427</span> |
| <span id="428">428</span> |
| <span id="429">429</span> |
| <span id="430">430</span> |
| <span id="431">431</span> |
| <span id="432">432</span> |
| <span id="433">433</span> |
| <span id="434">434</span> |
| <span id="435">435</span> |
| <span id="436">436</span> |
| <span id="437">437</span> |
| <span id="438">438</span> |
| <span id="439">439</span> |
| <span id="440">440</span> |
| <span id="441">441</span> |
| <span id="442">442</span> |
| <span id="443">443</span> |
| <span id="444">444</span> |
| <span id="445">445</span> |
| <span id="446">446</span> |
| <span id="447">447</span> |
| <span id="448">448</span> |
| <span id="449">449</span> |
| <span id="450">450</span> |
| <span id="451">451</span> |
| <span id="452">452</span> |
| <span id="453">453</span> |
| <span id="454">454</span> |
| <span id="455">455</span> |
| <span id="456">456</span> |
| <span id="457">457</span> |
| <span id="458">458</span> |
| <span id="459">459</span> |
| <span id="460">460</span> |
| <span id="461">461</span> |
| <span id="462">462</span> |
| <span id="463">463</span> |
| <span id="464">464</span> |
| <span id="465">465</span> |
| <span id="466">466</span> |
| <span id="467">467</span> |
| <span id="468">468</span> |
| <span id="469">469</span> |
| <span id="470">470</span> |
| <span id="471">471</span> |
| <span id="472">472</span> |
| <span id="473">473</span> |
| <span id="474">474</span> |
| <span id="475">475</span> |
| <span id="476">476</span> |
| <span id="477">477</span> |
| <span id="478">478</span> |
| <span id="479">479</span> |
| <span id="480">480</span> |
| <span id="481">481</span> |
| <span id="482">482</span> |
| <span id="483">483</span> |
| <span id="484">484</span> |
| <span id="485">485</span> |
| <span id="486">486</span> |
| <span id="487">487</span> |
| <span id="488">488</span> |
| <span id="489">489</span> |
| <span id="490">490</span> |
| <span id="491">491</span> |
| <span id="492">492</span> |
| <span id="493">493</span> |
| <span id="494">494</span> |
| <span id="495">495</span> |
| <span id="496">496</span> |
| <span id="497">497</span> |
| <span id="498">498</span> |
| <span id="499">499</span> |
| <span id="500">500</span> |
| <span id="501">501</span> |
| <span id="502">502</span> |
| <span id="503">503</span> |
| <span id="504">504</span> |
| <span id="505">505</span> |
| <span id="506">506</span> |
| <span id="507">507</span> |
| <span id="508">508</span> |
| <span id="509">509</span> |
| <span id="510">510</span> |
| <span id="511">511</span> |
| <span id="512">512</span> |
| <span id="513">513</span> |
| <span id="514">514</span> |
| <span id="515">515</span> |
| <span id="516">516</span> |
| <span id="517">517</span> |
| <span id="518">518</span> |
| <span id="519">519</span> |
| <span id="520">520</span> |
| <span id="521">521</span> |
| <span id="522">522</span> |
| <span id="523">523</span> |
| <span id="524">524</span> |
| <span id="525">525</span> |
| <span id="526">526</span> |
| <span id="527">527</span> |
| <span id="528">528</span> |
| <span id="529">529</span> |
| <span id="530">530</span> |
| <span id="531">531</span> |
| <span id="532">532</span> |
| <span id="533">533</span> |
| <span id="534">534</span> |
| <span id="535">535</span> |
| <span id="536">536</span> |
| <span id="537">537</span> |
| <span id="538">538</span> |
| <span id="539">539</span> |
| <span id="540">540</span> |
| <span id="541">541</span> |
| <span id="542">542</span> |
| <span id="543">543</span> |
| <span id="544">544</span> |
| <span id="545">545</span> |
| <span id="546">546</span> |
| <span id="547">547</span> |
| <span id="548">548</span> |
| <span id="549">549</span> |
| <span id="550">550</span> |
| <span id="551">551</span> |
| <span id="552">552</span> |
| <span id="553">553</span> |
| <span id="554">554</span> |
| <span id="555">555</span> |
| <span id="556">556</span> |
| <span id="557">557</span> |
| <span id="558">558</span> |
| <span id="559">559</span> |
| <span id="560">560</span> |
| <span id="561">561</span> |
| <span id="562">562</span> |
| <span id="563">563</span> |
| <span id="564">564</span> |
| </pre><pre class="rust"><code><span class="kw">use super</span>::{ |
| store, Buffer, Codec, Config, Counts, Frame, Prioritize, Prioritized, Store, Stream, StreamId, |
| StreamIdOverflow, WindowSize, |
| }; |
| <span class="kw">use </span><span class="kw">crate</span>::codec::UserError; |
| <span class="kw">use </span><span class="kw">crate</span>::frame::{<span class="self">self</span>, Reason}; |
| <span class="kw">use </span><span class="kw">crate</span>::proto::{Error, Initiator}; |
| |
| <span class="kw">use </span>bytes::Buf; |
| <span class="kw">use </span>tokio::io::AsyncWrite; |
| |
| <span class="kw">use </span>std::cmp::Ordering; |
| <span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::task::{Context, Poll, Waker}; |
| |
| <span class="doccomment">/// Manages state transitions related to outbound frames. |
| </span><span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">struct </span>Send { |
| <span class="doccomment">/// Stream identifier to use for next initialized stream. |
| </span>next_stream_id: <span class="prelude-ty">Result</span><StreamId, StreamIdOverflow>, |
| |
| <span class="doccomment">/// Any streams with a higher ID are ignored. |
| /// |
| /// This starts as MAX, but is lowered when a GOAWAY is received. |
| /// |
| /// > After sending a GOAWAY frame, the sender can discard frames for |
| /// > streams initiated by the receiver with identifiers higher than |
| /// > the identified last stream. |
| </span>max_stream_id: StreamId, |
| |
| <span class="doccomment">/// Initial window size of locally initiated streams |
| </span>init_window_sz: WindowSize, |
| |
| <span class="doccomment">/// Prioritization layer |
| </span>prioritize: Prioritize, |
| |
| is_push_enabled: bool, |
| |
| <span class="doccomment">/// If extended connect protocol is enabled. |
| </span>is_extended_connect_protocol_enabled: bool, |
| } |
| |
| <span class="doccomment">/// A value to detect which public API has called `poll_reset`. |
| </span><span class="attribute">#[derive(Debug)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">enum </span>PollReset { |
| AwaitingHeaders, |
| Streaming, |
| } |
| |
| <span class="kw">impl </span>Send { |
| <span class="doccomment">/// Create a new `Send` |
| </span><span class="kw">pub fn </span>new(config: <span class="kw-2">&</span>Config) -> <span class="self">Self </span>{ |
| Send { |
| init_window_sz: config.remote_init_window_sz, |
| max_stream_id: StreamId::MAX, |
| next_stream_id: <span class="prelude-val">Ok</span>(config.local_next_stream_id), |
| prioritize: Prioritize::new(config), |
| is_push_enabled: <span class="bool-val">true</span>, |
| is_extended_connect_protocol_enabled: <span class="bool-val">false</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Returns the initial send window size |
| </span><span class="kw">pub fn </span>init_window_sz(<span class="kw-2">&</span><span class="self">self</span>) -> WindowSize { |
| <span class="self">self</span>.init_window_sz |
| } |
| |
| <span class="kw">pub fn </span>open(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><StreamId, UserError> { |
| <span class="kw">let </span>stream_id = <span class="self">self</span>.ensure_next_stream_id()<span class="question-mark">?</span>; |
| <span class="self">self</span>.next_stream_id = stream_id.next_id(); |
| <span class="prelude-val">Ok</span>(stream_id) |
| } |
| |
| <span class="kw">pub fn </span>reserve_local(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><StreamId, UserError> { |
| <span class="kw">let </span>stream_id = <span class="self">self</span>.ensure_next_stream_id()<span class="question-mark">?</span>; |
| <span class="self">self</span>.next_stream_id = stream_id.next_id(); |
| <span class="prelude-val">Ok</span>(stream_id) |
| } |
| |
| <span class="kw">fn </span>check_headers(fields: <span class="kw-2">&</span>http::HeaderMap) -> <span class="prelude-ty">Result</span><(), UserError> { |
| <span class="comment">// 8.1.2.2. Connection-Specific Header Fields |
| </span><span class="kw">if </span>fields.contains_key(http::header::CONNECTION) |
| || fields.contains_key(http::header::TRANSFER_ENCODING) |
| || fields.contains_key(http::header::UPGRADE) |
| || fields.contains_key(<span class="string">"keep-alive"</span>) |
| || fields.contains_key(<span class="string">"proxy-connection"</span>) |
| { |
| <span class="macro">tracing::debug!</span>(<span class="string">"illegal connection-specific headers found"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(UserError::MalformedHeaders); |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(te) = fields.get(http::header::TE) { |
| <span class="kw">if </span>te != <span class="string">"trailers" </span>{ |
| <span class="macro">tracing::debug!</span>(<span class="string">"illegal connection-specific headers found"</span>); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(UserError::MalformedHeaders); |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>send_push_promise<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| frame: frame::PushPromise, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) -> <span class="prelude-ty">Result</span><(), UserError> { |
| <span class="kw">if </span>!<span class="self">self</span>.is_push_enabled { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(UserError::PeerDisabledServerPush); |
| } |
| |
| <span class="macro">tracing::trace!</span>( |
| <span class="string">"send_push_promise; frame={:?}; init_window={:?}"</span>, |
| frame, |
| <span class="self">self</span>.init_window_sz |
| ); |
| |
| <span class="self">Self</span>::check_headers(frame.fields())<span class="question-mark">?</span>; |
| |
| <span class="comment">// Queue the frame for sending |
| </span><span class="self">self</span>.prioritize |
| .queue_frame(frame.into(), buffer, stream, task); |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>send_headers<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| frame: frame::Headers, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| counts: <span class="kw-2">&mut </span>Counts, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) -> <span class="prelude-ty">Result</span><(), UserError> { |
| <span class="macro">tracing::trace!</span>( |
| <span class="string">"send_headers; frame={:?}; init_window={:?}"</span>, |
| frame, |
| <span class="self">self</span>.init_window_sz |
| ); |
| |
| <span class="self">Self</span>::check_headers(frame.fields())<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>end_stream = frame.is_end_stream(); |
| |
| <span class="comment">// Update the state |
| </span>stream.state.send_open(end_stream)<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span>counts.peer().is_local_init(frame.stream_id()) { |
| <span class="comment">// If we're waiting on a PushPromise anyway |
| // handle potentially queueing the stream at that point |
| </span><span class="kw">if </span>!stream.is_pending_push { |
| <span class="kw">if </span>counts.can_inc_num_send_streams() { |
| counts.inc_num_send_streams(stream); |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.prioritize.queue_open(stream); |
| } |
| } |
| } |
| |
| <span class="comment">// Queue the frame for sending |
| </span><span class="self">self</span>.prioritize |
| .queue_frame(frame.into(), buffer, stream, task); |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="doccomment">/// Send an explicit RST_STREAM frame |
| </span><span class="kw">pub fn </span>send_reset<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| reason: Reason, |
| initiator: Initiator, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| counts: <span class="kw-2">&mut </span>Counts, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) { |
| <span class="kw">let </span>is_reset = stream.state.is_reset(); |
| <span class="kw">let </span>is_closed = stream.state.is_closed(); |
| <span class="kw">let </span>is_empty = stream.pending_send.is_empty(); |
| <span class="kw">let </span>stream_id = stream.id; |
| |
| <span class="macro">tracing::trace!</span>( |
| <span class="string">"send_reset(..., reason={:?}, initiator={:?}, stream={:?}, ..., \ |
| is_reset={:?}; is_closed={:?}; pending_send.is_empty={:?}; \ |
| state={:?} \ |
| "</span>, |
| reason, |
| initiator, |
| stream_id, |
| is_reset, |
| is_closed, |
| is_empty, |
| stream.state |
| ); |
| |
| <span class="kw">if </span>is_reset { |
| <span class="comment">// Don't double reset |
| </span><span class="macro">tracing::trace!</span>( |
| <span class="string">" -> not sending RST_STREAM ({:?} is already reset)"</span>, |
| stream_id |
| ); |
| <span class="kw">return</span>; |
| } |
| |
| <span class="comment">// Transition the state to reset no matter what. |
| </span>stream.state.set_reset(stream_id, reason, initiator); |
| |
| <span class="comment">// If closed AND the send queue is flushed, then the stream cannot be |
| // reset explicitly, either. Implicit resets can still be queued. |
| </span><span class="kw">if </span>is_closed && is_empty { |
| <span class="macro">tracing::trace!</span>( |
| <span class="string">" -> not sending explicit RST_STREAM ({:?} was closed \ |
| and send queue was flushed)"</span>, |
| stream_id |
| ); |
| <span class="kw">return</span>; |
| } |
| |
| <span class="comment">// Clear all pending outbound frames. |
| // Note that we don't call `self.recv_err` because we want to enqueue |
| // the reset frame before transitioning the stream inside |
| // `reclaim_all_capacity`. |
| </span><span class="self">self</span>.prioritize.clear_queue(buffer, stream); |
| |
| <span class="kw">let </span>frame = frame::Reset::new(stream.id, reason); |
| |
| <span class="macro">tracing::trace!</span>(<span class="string">"send_reset -- queueing; frame={:?}"</span>, frame); |
| <span class="self">self</span>.prioritize |
| .queue_frame(frame.into(), buffer, stream, task); |
| <span class="self">self</span>.prioritize.reclaim_all_capacity(stream, counts); |
| } |
| |
| <span class="kw">pub fn </span>schedule_implicit_reset( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| reason: Reason, |
| counts: <span class="kw-2">&mut </span>Counts, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) { |
| <span class="kw">if </span>stream.state.is_closed() { |
| <span class="comment">// Stream is already closed, nothing more to do |
| </span><span class="kw">return</span>; |
| } |
| |
| stream.state.set_scheduled_reset(reason); |
| |
| <span class="self">self</span>.prioritize.reclaim_reserved_capacity(stream, counts); |
| <span class="self">self</span>.prioritize.schedule_send(stream, task); |
| } |
| |
| <span class="kw">pub fn </span>send_data<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| frame: frame::Data<B>, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| counts: <span class="kw-2">&mut </span>Counts, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) -> <span class="prelude-ty">Result</span><(), UserError> |
| <span class="kw">where |
| </span>B: Buf, |
| { |
| <span class="self">self</span>.prioritize |
| .send_data(frame, buffer, stream, counts, task) |
| } |
| |
| <span class="kw">pub fn </span>send_trailers<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| frame: frame::Headers, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| counts: <span class="kw-2">&mut </span>Counts, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) -> <span class="prelude-ty">Result</span><(), UserError> { |
| <span class="comment">// TODO: Should this logic be moved into state.rs? |
| </span><span class="kw">if </span>!stream.state.is_send_streaming() { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(UserError::UnexpectedFrameType); |
| } |
| |
| stream.state.send_close(); |
| |
| <span class="macro">tracing::trace!</span>(<span class="string">"send_trailers -- queuing; frame={:?}"</span>, frame); |
| <span class="self">self</span>.prioritize |
| .queue_frame(frame.into(), buffer, stream, task); |
| |
| <span class="comment">// Release any excess capacity |
| </span><span class="self">self</span>.prioritize.reserve_capacity(<span class="number">0</span>, stream, counts); |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>poll_complete<T, B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| cx: <span class="kw-2">&mut </span>Context, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| store: <span class="kw-2">&mut </span>Store, |
| counts: <span class="kw-2">&mut </span>Counts, |
| dst: <span class="kw-2">&mut </span>Codec<T, Prioritized<B>>, |
| ) -> Poll<io::Result<()>> |
| <span class="kw">where |
| </span>T: AsyncWrite + Unpin, |
| B: Buf, |
| { |
| <span class="self">self</span>.prioritize |
| .poll_complete(cx, buffer, store, counts, dst) |
| } |
| |
| <span class="doccomment">/// Request capacity to send data |
| </span><span class="kw">pub fn </span>reserve_capacity( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| capacity: WindowSize, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| counts: <span class="kw-2">&mut </span>Counts, |
| ) { |
| <span class="self">self</span>.prioritize.reserve_capacity(capacity, stream, counts) |
| } |
| |
| <span class="kw">pub fn </span>poll_capacity( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| cx: <span class="kw-2">&</span>Context, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| ) -> Poll<<span class="prelude-ty">Option</span><<span class="prelude-ty">Result</span><WindowSize, UserError>>> { |
| <span class="kw">if </span>!stream.state.is_send_streaming() { |
| <span class="kw">return </span>Poll::Ready(<span class="prelude-val">None</span>); |
| } |
| |
| <span class="kw">if </span>!stream.send_capacity_inc { |
| stream.wait_send(cx); |
| <span class="kw">return </span>Poll::Pending; |
| } |
| |
| stream.send_capacity_inc = <span class="bool-val">false</span>; |
| |
| Poll::Ready(<span class="prelude-val">Some</span>(<span class="prelude-val">Ok</span>(<span class="self">self</span>.capacity(stream)))) |
| } |
| |
| <span class="doccomment">/// Current available stream send capacity |
| </span><span class="kw">pub fn </span>capacity(<span class="kw-2">&</span><span class="self">self</span>, stream: <span class="kw-2">&mut </span>store::Ptr) -> WindowSize { |
| stream.capacity(<span class="self">self</span>.prioritize.max_buffer_size()) |
| } |
| |
| <span class="kw">pub fn </span>poll_reset( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| cx: <span class="kw-2">&</span>Context, |
| stream: <span class="kw-2">&mut </span>Stream, |
| mode: PollReset, |
| ) -> Poll<<span class="prelude-ty">Result</span><Reason, <span class="kw">crate</span>::Error>> { |
| <span class="kw">match </span>stream.state.ensure_reason(mode)<span class="question-mark">? </span>{ |
| <span class="prelude-val">Some</span>(reason) => Poll::Ready(<span class="prelude-val">Ok</span>(reason)), |
| <span class="prelude-val">None </span>=> { |
| stream.wait_send(cx); |
| Poll::Pending |
| } |
| } |
| } |
| |
| <span class="kw">pub fn </span>recv_connection_window_update( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| frame: frame::WindowUpdate, |
| store: <span class="kw-2">&mut </span>Store, |
| counts: <span class="kw-2">&mut </span>Counts, |
| ) -> <span class="prelude-ty">Result</span><(), Reason> { |
| <span class="self">self</span>.prioritize |
| .recv_connection_window_update(frame.size_increment(), store, counts) |
| } |
| |
| <span class="kw">pub fn </span>recv_stream_window_update<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| sz: WindowSize, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| counts: <span class="kw-2">&mut </span>Counts, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) -> <span class="prelude-ty">Result</span><(), Reason> { |
| <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = <span class="self">self</span>.prioritize.recv_stream_window_update(sz, stream) { |
| <span class="macro">tracing::debug!</span>(<span class="string">"recv_stream_window_update !!; err={:?}"</span>, e); |
| |
| <span class="self">self</span>.send_reset( |
| Reason::FLOW_CONTROL_ERROR, |
| Initiator::Library, |
| buffer, |
| stream, |
| counts, |
| task, |
| ); |
| |
| <span class="kw">return </span><span class="prelude-val">Err</span>(e); |
| } |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>recv_go_away(<span class="kw-2">&mut </span><span class="self">self</span>, last_stream_id: StreamId) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">if </span>last_stream_id > <span class="self">self</span>.max_stream_id { |
| <span class="comment">// The remote endpoint sent a `GOAWAY` frame indicating a stream |
| // that we never sent, or that we have already terminated on account |
| // of previous `GOAWAY` frame. In either case, that is illegal. |
| // (When sending multiple `GOAWAY`s, "Endpoints MUST NOT increase |
| // the value they send in the last stream identifier, since the |
| // peers might already have retried unprocessed requests on another |
| // connection.") |
| </span><span class="macro">proto_err!</span>(conn: |
| <span class="string">"recv_go_away: last_stream_id ({:?}) > max_stream_id ({:?})"</span>, |
| last_stream_id, <span class="self">self</span>.max_stream_id, |
| ); |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Error::library_go_away(Reason::PROTOCOL_ERROR)); |
| } |
| |
| <span class="self">self</span>.max_stream_id = last_stream_id; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>handle_error<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| stream: <span class="kw-2">&mut </span>store::Ptr, |
| counts: <span class="kw-2">&mut </span>Counts, |
| ) { |
| <span class="comment">// Clear all pending outbound frames |
| </span><span class="self">self</span>.prioritize.clear_queue(buffer, stream); |
| <span class="self">self</span>.prioritize.reclaim_all_capacity(stream, counts); |
| } |
| |
| <span class="kw">pub fn </span>apply_remote_settings<B>( |
| <span class="kw-2">&mut </span><span class="self">self</span>, |
| settings: <span class="kw-2">&</span>frame::Settings, |
| buffer: <span class="kw-2">&mut </span>Buffer<Frame<B>>, |
| store: <span class="kw-2">&mut </span>Store, |
| counts: <span class="kw-2">&mut </span>Counts, |
| task: <span class="kw-2">&mut </span><span class="prelude-ty">Option</span><Waker>, |
| ) -> <span class="prelude-ty">Result</span><(), Error> { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(val) = settings.is_extended_connect_protocol_enabled() { |
| <span class="self">self</span>.is_extended_connect_protocol_enabled = val; |
| } |
| |
| <span class="comment">// Applies an update to the remote endpoint's initial window size. |
| // |
| // Per RFC 7540 §6.9.2: |
| // |
| // In addition to changing the flow-control window for streams that are |
| // not yet active, a SETTINGS frame can alter the initial flow-control |
| // window size for streams with active flow-control windows (that is, |
| // streams in the "open" or "half-closed (remote)" state). When the |
| // value of SETTINGS_INITIAL_WINDOW_SIZE changes, a receiver MUST adjust |
| // the size of all stream flow-control windows that it maintains by the |
| // difference between the new value and the old value. |
| // |
| // A change to `SETTINGS_INITIAL_WINDOW_SIZE` can cause the available |
| // space in a flow-control window to become negative. A sender MUST |
| // track the negative flow-control window and MUST NOT send new |
| // flow-controlled frames until it receives WINDOW_UPDATE frames that |
| // cause the flow-control window to become positive. |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(val) = settings.initial_window_size() { |
| <span class="kw">let </span>old_val = <span class="self">self</span>.init_window_sz; |
| <span class="self">self</span>.init_window_sz = val; |
| |
| <span class="kw">match </span>val.cmp(<span class="kw-2">&</span>old_val) { |
| Ordering::Less => { |
| <span class="comment">// We must decrease the (remote) window on every open stream. |
| </span><span class="kw">let </span>dec = old_val - val; |
| <span class="macro">tracing::trace!</span>(<span class="string">"decrementing all windows; dec={}"</span>, dec); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>total_reclaimed = <span class="number">0</span>; |
| store.for_each(|<span class="kw-2">mut </span>stream| { |
| <span class="kw">let </span>stream = <span class="kw-2">&mut *</span>stream; |
| |
| stream.send_flow.dec_send_window(dec); |
| |
| <span class="comment">// It's possible that decreasing the window causes |
| // `window_size` (the stream-specific window) to fall below |
| // `available` (the portion of the connection-level window |
| // that we have allocated to the stream). |
| // In this case, we should take that excess allocation away |
| // and reassign it to other streams. |
| </span><span class="kw">let </span>window_size = stream.send_flow.window_size(); |
| <span class="kw">let </span>available = stream.send_flow.available().as_size(); |
| <span class="kw">let </span>reclaimed = <span class="kw">if </span>available > window_size { |
| <span class="comment">// Drop down to `window_size`. |
| </span><span class="kw">let </span>reclaim = available - window_size; |
| stream.send_flow.claim_capacity(reclaim); |
| total_reclaimed += reclaim; |
| reclaim |
| } <span class="kw">else </span>{ |
| <span class="number">0 |
| </span>}; |
| |
| <span class="macro">tracing::trace!</span>( |
| <span class="string">"decremented stream window; id={:?}; decr={}; reclaimed={}; flow={:?}"</span>, |
| stream.id, |
| dec, |
| reclaimed, |
| stream.send_flow |
| ); |
| |
| <span class="comment">// TODO: Should this notify the producer when the capacity |
| // of a stream is reduced? Maybe it should if the capacity |
| // is reduced to zero, allowing the producer to stop work. |
| </span>}); |
| |
| <span class="self">self</span>.prioritize |
| .assign_connection_capacity(total_reclaimed, store, counts); |
| } |
| Ordering::Greater => { |
| <span class="kw">let </span>inc = val - old_val; |
| |
| store.try_for_each(|<span class="kw-2">mut </span>stream| { |
| <span class="self">self</span>.recv_stream_window_update(inc, buffer, <span class="kw-2">&mut </span>stream, counts, task) |
| .map_err(Error::library_go_away) |
| })<span class="question-mark">?</span>; |
| } |
| Ordering::Equal => (), |
| } |
| } |
| |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(val) = settings.is_push_enabled() { |
| <span class="self">self</span>.is_push_enabled = val |
| } |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>clear_queues(<span class="kw-2">&mut </span><span class="self">self</span>, store: <span class="kw-2">&mut </span>Store, counts: <span class="kw-2">&mut </span>Counts) { |
| <span class="self">self</span>.prioritize.clear_pending_capacity(store, counts); |
| <span class="self">self</span>.prioritize.clear_pending_send(store, counts); |
| <span class="self">self</span>.prioritize.clear_pending_open(store, counts); |
| } |
| |
| <span class="kw">pub fn </span>ensure_not_idle(<span class="kw-2">&</span><span class="self">self</span>, id: StreamId) -> <span class="prelude-ty">Result</span><(), Reason> { |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(next) = <span class="self">self</span>.next_stream_id { |
| <span class="kw">if </span>id >= next { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(Reason::PROTOCOL_ERROR); |
| } |
| } |
| <span class="comment">// if next_stream_id is overflowed, that's ok. |
| |
| </span><span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">pub fn </span>ensure_next_stream_id(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Result</span><StreamId, UserError> { |
| <span class="self">self</span>.next_stream_id |
| .map_err(|<span class="kw">_</span>| UserError::OverflowedStreamId) |
| } |
| |
| <span class="kw">pub fn </span>may_have_created_stream(<span class="kw-2">&</span><span class="self">self</span>, id: StreamId) -> bool { |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(next_id) = <span class="self">self</span>.next_stream_id { |
| <span class="comment">// Peer::is_local_init should have been called beforehand |
| </span><span class="macro">debug_assert_eq!</span>(id.is_server_initiated(), next_id.is_server_initiated(),); |
| id < next_id |
| } <span class="kw">else </span>{ |
| <span class="bool-val">true |
| </span>} |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>maybe_reset_next_stream_id(<span class="kw-2">&mut </span><span class="self">self</span>, id: StreamId) { |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(next_id) = <span class="self">self</span>.next_stream_id { |
| <span class="comment">// Peer::is_local_init should have been called beforehand |
| </span><span class="macro">debug_assert_eq!</span>(id.is_server_initiated(), next_id.is_server_initiated()); |
| <span class="kw">if </span>id >= next_id { |
| <span class="self">self</span>.next_stream_id = id.next_id(); |
| } |
| } |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>is_extended_connect_protocol_enabled(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.is_extended_connect_protocol_enabled |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="h2" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
