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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `perf/src/client.rs`."><title>client.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="perf" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0-nightly (b6f0945e4 2025-10-08)" data-channel="nightly" data-search-js="search-8d3311b9.js" data-stringdex-js="stringdex-828709d0.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">perf/</div>client.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="attr">#[cfg(feature = <span class="string">"json-output"</span>)]
<a href=#2 id=2 data-nosnippet>2</a></span><span class="kw">use </span>std::path::PathBuf;
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span>std::{
<a href=#4 id=4 data-nosnippet>4</a> net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr},
<a href=#5 id=5 data-nosnippet>5</a> sync::Arc,
<a href=#6 id=6 data-nosnippet>6</a> time::{Duration, Instant},
<a href=#7 id=7 data-nosnippet>7</a>};
<a href=#8 id=8 data-nosnippet>8</a>
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>anyhow::{Context, <span class="prelude-ty">Result</span>};
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>bytes::Bytes;
<a href=#11 id=11 data-nosnippet>11</a><span class="kw">use </span>clap::Parser;
<a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span>quinn::{TokioRuntime, crypto::rustls::QuicClientConfig};
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">use </span>rustls::pki_types::{CertificateDer, ServerName, UnixTime};
<a href=#14 id=14 data-nosnippet>14</a><span class="kw">use </span>tokio::sync::Semaphore;
<a href=#15 id=15 data-nosnippet>15</a><span class="kw">use </span>tracing::{debug, error, info};
<a href=#16 id=16 data-nosnippet>16</a>
<a href=#17 id=17 data-nosnippet>17</a><span class="kw">use crate</span>::{
<a href=#18 id=18 data-nosnippet>18</a> CommonOpt, PERF_CIPHER_SUITES,
<a href=#19 id=19 data-nosnippet>19</a> noprotection::NoProtectionClientConfig,
<a href=#20 id=20 data-nosnippet>20</a> parse_byte_size,
<a href=#21 id=21 data-nosnippet>21</a> stats::{OpenStreamStats, Stats},
<a href=#22 id=22 data-nosnippet>22</a>};
<a href=#23 id=23 data-nosnippet>23</a>
<a href=#24 id=24 data-nosnippet>24</a><span class="doccomment">/// Connects to a QUIC perf server and maintains a specified pattern of requests until interrupted
<a href=#25 id=25 data-nosnippet>25</a></span><span class="attr">#[derive(Parser)]
<a href=#26 id=26 data-nosnippet>26</a>#[clap(name = <span class="string">"client"</span>)]
<a href=#27 id=27 data-nosnippet>27</a></span><span class="kw">pub struct </span>Opt {
<a href=#28 id=28 data-nosnippet>28</a> <span class="doccomment">/// Host to connect to
<a href=#29 id=29 data-nosnippet>29</a> </span><span class="attr">#[clap(default_value = <span class="string">"localhost:4433"</span>)]
<a href=#30 id=30 data-nosnippet>30</a> </span>host: String,
<a href=#31 id=31 data-nosnippet>31</a> <span class="doccomment">/// Override DNS resolution for host
<a href=#32 id=32 data-nosnippet>32</a> </span><span class="attr">#[clap(long)]
<a href=#33 id=33 data-nosnippet>33</a> </span>ip: <span class="prelude-ty">Option</span>&lt;IpAddr&gt;,
<a href=#34 id=34 data-nosnippet>34</a> <span class="doccomment">/// Specify the local socket address
<a href=#35 id=35 data-nosnippet>35</a> </span><span class="attr">#[clap(long)]
<a href=#36 id=36 data-nosnippet>36</a> </span>local_addr: <span class="prelude-ty">Option</span>&lt;SocketAddr&gt;,
<a href=#37 id=37 data-nosnippet>37</a> <span class="doccomment">/// Number of unidirectional requests to maintain concurrently
<a href=#38 id=38 data-nosnippet>38</a> </span><span class="attr">#[clap(long, default_value = <span class="string">"0"</span>)]
<a href=#39 id=39 data-nosnippet>39</a> </span>uni_requests: u64,
<a href=#40 id=40 data-nosnippet>40</a> <span class="doccomment">/// Number of bidirectional requests to maintain concurrently
<a href=#41 id=41 data-nosnippet>41</a> </span><span class="attr">#[clap(long, default_value = <span class="string">"1"</span>)]
<a href=#42 id=42 data-nosnippet>42</a> </span>bi_requests: u64,
<a href=#43 id=43 data-nosnippet>43</a> <span class="doccomment">/// Number of bytes to request
<a href=#44 id=44 data-nosnippet>44</a> ///
<a href=#45 id=45 data-nosnippet>45</a> /// This can use SI suffixes for sizes. For example, 1M will transfer
<a href=#46 id=46 data-nosnippet>46</a> /// 1MiB, 10G will transfer 10GiB.
<a href=#47 id=47 data-nosnippet>47</a> </span><span class="attr">#[clap(long, default_value = <span class="string">"1M"</span>, value_parser = parse_byte_size)]
<a href=#48 id=48 data-nosnippet>48</a> </span>download_size: u64,
<a href=#49 id=49 data-nosnippet>49</a> <span class="doccomment">/// Number of bytes to transmit, in addition to the request header
<a href=#50 id=50 data-nosnippet>50</a> ///
<a href=#51 id=51 data-nosnippet>51</a> /// This can use SI suffixes for sizes. For example, 1M will transfer
<a href=#52 id=52 data-nosnippet>52</a> /// 1MiB, 10G will transfer 10GiB.
<a href=#53 id=53 data-nosnippet>53</a> </span><span class="attr">#[clap(long, default_value = <span class="string">"1M"</span>, value_parser = parse_byte_size)]
<a href=#54 id=54 data-nosnippet>54</a> </span>upload_size: u64,
<a href=#55 id=55 data-nosnippet>55</a> <span class="doccomment">/// The time to run in seconds
<a href=#56 id=56 data-nosnippet>56</a> </span><span class="attr">#[clap(long, default_value = <span class="string">"60"</span>)]
<a href=#57 id=57 data-nosnippet>57</a> </span>duration: u64,
<a href=#58 id=58 data-nosnippet>58</a> <span class="doccomment">/// The interval in seconds at which stats are reported
<a href=#59 id=59 data-nosnippet>59</a> </span><span class="attr">#[clap(long, default_value = <span class="string">"1"</span>)]
<a href=#60 id=60 data-nosnippet>60</a> </span>interval: u64,
<a href=#61 id=61 data-nosnippet>61</a> <span class="doccomment">/// File path to output JSON statistics to. If the file is '-', stdout will be used
<a href=#62 id=62 data-nosnippet>62</a> </span><span class="attr">#[cfg(feature = <span class="string">"json-output"</span>)]
<a href=#63 id=63 data-nosnippet>63</a> #[clap(long)]
<a href=#64 id=64 data-nosnippet>64</a> </span>json: <span class="prelude-ty">Option</span>&lt;PathBuf&gt;,
<a href=#65 id=65 data-nosnippet>65</a> <span class="doccomment">/// Common options
<a href=#66 id=66 data-nosnippet>66</a> </span><span class="attr">#[command(flatten)]
<a href=#67 id=67 data-nosnippet>67</a> </span>common: CommonOpt,
<a href=#68 id=68 data-nosnippet>68</a>}
<a href=#69 id=69 data-nosnippet>69</a>
<a href=#70 id=70 data-nosnippet>70</a><span class="kw">pub async fn </span>run(opt: Opt) -&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
<a href=#71 id=71 data-nosnippet>71</a> <span class="kw">let </span><span class="kw-2">mut </span>host_parts = opt.host.split(<span class="string">':'</span>);
<a href=#72 id=72 data-nosnippet>72</a> <span class="kw">let </span>host_name = host_parts.next().unwrap();
<a href=#73 id=73 data-nosnippet>73</a> <span class="kw">let </span>host_port = host_parts
<a href=#74 id=74 data-nosnippet>74</a> .next()
<a href=#75 id=75 data-nosnippet>75</a> .map_or(<span class="prelude-val">Ok</span>(<span class="number">443</span>), |x| x.parse())
<a href=#76 id=76 data-nosnippet>76</a> .context(<span class="string">"parsing port"</span>)<span class="question-mark">?</span>;
<a href=#77 id=77 data-nosnippet>77</a> <span class="kw">let </span>addr = <span class="kw">match </span>opt.ip {
<a href=#78 id=78 data-nosnippet>78</a> <span class="prelude-val">None </span>=&gt; tokio::net::lookup_host(<span class="kw-2">&amp;</span>opt.host)
<a href=#79 id=79 data-nosnippet>79</a> .<span class="kw">await
<a href=#80 id=80 data-nosnippet>80</a> </span>.context(<span class="string">"resolving host"</span>)<span class="question-mark">?
<a href=#81 id=81 data-nosnippet>81</a> </span>.next()
<a href=#82 id=82 data-nosnippet>82</a> .unwrap(),
<a href=#83 id=83 data-nosnippet>83</a> <span class="prelude-val">Some</span>(ip) =&gt; SocketAddr::new(ip, host_port),
<a href=#84 id=84 data-nosnippet>84</a> };
<a href=#85 id=85 data-nosnippet>85</a>
<a href=#86 id=86 data-nosnippet>86</a> <span class="macro">info!</span>(<span class="string">"connecting to {} at {}"</span>, host_name, addr);
<a href=#87 id=87 data-nosnippet>87</a>
<a href=#88 id=88 data-nosnippet>88</a> <span class="kw">let </span>bind_addr = opt.local_addr.unwrap_or_else(|| {
<a href=#89 id=89 data-nosnippet>89</a> <span class="kw">let </span>unspec = <span class="kw">if </span>addr.is_ipv4() {
<a href=#90 id=90 data-nosnippet>90</a> Ipv4Addr::UNSPECIFIED.into()
<a href=#91 id=91 data-nosnippet>91</a> } <span class="kw">else </span>{
<a href=#92 id=92 data-nosnippet>92</a> Ipv6Addr::UNSPECIFIED.into()
<a href=#93 id=93 data-nosnippet>93</a> };
<a href=#94 id=94 data-nosnippet>94</a> SocketAddr::new(unspec, <span class="number">0</span>)
<a href=#95 id=95 data-nosnippet>95</a> });
<a href=#96 id=96 data-nosnippet>96</a>
<a href=#97 id=97 data-nosnippet>97</a> <span class="macro">info!</span>(<span class="string">"local addr {:?}"</span>, bind_addr);
<a href=#98 id=98 data-nosnippet>98</a>
<a href=#99 id=99 data-nosnippet>99</a> <span class="kw">let </span>socket = opt.common.bind_socket(bind_addr)<span class="question-mark">?</span>;
<a href=#100 id=100 data-nosnippet>100</a>
<a href=#101 id=101 data-nosnippet>101</a> <span class="kw">let </span><span class="kw-2">mut </span>endpoint_cfg = quinn::EndpointConfig::default();
<a href=#102 id=102 data-nosnippet>102</a> endpoint_cfg.max_udp_payload_size(opt.common.max_udp_payload_size)<span class="question-mark">?</span>;
<a href=#103 id=103 data-nosnippet>103</a>
<a href=#104 id=104 data-nosnippet>104</a> <span class="kw">let </span>endpoint = quinn::Endpoint::new(endpoint_cfg, <span class="prelude-val">None</span>, socket, Arc::new(TokioRuntime))<span class="question-mark">?</span>;
<a href=#105 id=105 data-nosnippet>105</a>
<a href=#106 id=106 data-nosnippet>106</a> <span class="kw">let </span>default_provider = rustls::crypto::ring::default_provider();
<a href=#107 id=107 data-nosnippet>107</a> <span class="kw">let </span>provider = Arc::new(rustls::crypto::CryptoProvider {
<a href=#108 id=108 data-nosnippet>108</a> cipher_suites: PERF_CIPHER_SUITES.into(),
<a href=#109 id=109 data-nosnippet>109</a> ..default_provider
<a href=#110 id=110 data-nosnippet>110</a> });
<a href=#111 id=111 data-nosnippet>111</a>
<a href=#112 id=112 data-nosnippet>112</a> <span class="kw">let </span><span class="kw-2">mut </span>crypto = rustls::ClientConfig::builder_with_provider(provider.clone())
<a href=#113 id=113 data-nosnippet>113</a> .with_protocol_versions(<span class="kw-2">&amp;</span>[<span class="kw-2">&amp;</span>rustls::version::TLS13])
<a href=#114 id=114 data-nosnippet>114</a> .unwrap()
<a href=#115 id=115 data-nosnippet>115</a> .dangerous()
<a href=#116 id=116 data-nosnippet>116</a> .with_custom_certificate_verifier(SkipServerVerification::new(provider))
<a href=#117 id=117 data-nosnippet>117</a> .with_no_client_auth();
<a href=#118 id=118 data-nosnippet>118</a> crypto.alpn_protocols = <span class="macro">vec!</span>[<span class="string">b"perf"</span>.to_vec()];
<a href=#119 id=119 data-nosnippet>119</a>
<a href=#120 id=120 data-nosnippet>120</a> <span class="kw">if </span>opt.common.keylog {
<a href=#121 id=121 data-nosnippet>121</a> crypto.key_log = Arc::new(rustls::KeyLogFile::new());
<a href=#122 id=122 data-nosnippet>122</a> }
<a href=#123 id=123 data-nosnippet>123</a>
<a href=#124 id=124 data-nosnippet>124</a> <span class="kw">let </span>transport = opt.common.build_transport_config(
<a href=#125 id=125 data-nosnippet>125</a> <span class="attr">#[cfg(feature = <span class="string">"qlog"</span>)]
<a href=#126 id=126 data-nosnippet>126</a> </span><span class="string">"perf-client"</span>,
<a href=#127 id=127 data-nosnippet>127</a> )<span class="question-mark">?</span>;
<a href=#128 id=128 data-nosnippet>128</a>
<a href=#129 id=129 data-nosnippet>129</a> <span class="kw">let </span>crypto = Arc::new(QuicClientConfig::try_from(crypto)<span class="question-mark">?</span>);
<a href=#130 id=130 data-nosnippet>130</a> <span class="kw">let </span><span class="kw-2">mut </span>config = quinn::ClientConfig::new(<span class="kw">match </span>opt.common.no_protection {
<a href=#131 id=131 data-nosnippet>131</a> <span class="bool-val">true </span>=&gt; Arc::new(NoProtectionClientConfig::new(crypto)),
<a href=#132 id=132 data-nosnippet>132</a> <span class="bool-val">false </span>=&gt; crypto,
<a href=#133 id=133 data-nosnippet>133</a> });
<a href=#134 id=134 data-nosnippet>134</a> config.transport_config(Arc::new(transport));
<a href=#135 id=135 data-nosnippet>135</a>
<a href=#136 id=136 data-nosnippet>136</a> <span class="kw">let </span>stream_stats = OpenStreamStats::default();
<a href=#137 id=137 data-nosnippet>137</a>
<a href=#138 id=138 data-nosnippet>138</a> <span class="kw">let </span>connection = endpoint
<a href=#139 id=139 data-nosnippet>139</a> .connect_with(config, addr, host_name)<span class="question-mark">?
<a href=#140 id=140 data-nosnippet>140</a> </span>.<span class="kw">await
<a href=#141 id=141 data-nosnippet>141</a> </span>.context(<span class="string">"connecting"</span>)<span class="question-mark">?</span>;
<a href=#142 id=142 data-nosnippet>142</a>
<a href=#143 id=143 data-nosnippet>143</a> <span class="macro">info!</span>(<span class="string">"established"</span>);
<a href=#144 id=144 data-nosnippet>144</a>
<a href=#145 id=145 data-nosnippet>145</a> <span class="kw">let </span>drive_fut = <span class="kw">async </span>{
<a href=#146 id=146 data-nosnippet>146</a> <span class="macro">tokio::try_join!</span>(
<a href=#147 id=147 data-nosnippet>147</a> drive_uni(
<a href=#148 id=148 data-nosnippet>148</a> connection.clone(),
<a href=#149 id=149 data-nosnippet>149</a> stream_stats.clone(),
<a href=#150 id=150 data-nosnippet>150</a> opt.uni_requests,
<a href=#151 id=151 data-nosnippet>151</a> opt.upload_size,
<a href=#152 id=152 data-nosnippet>152</a> opt.download_size
<a href=#153 id=153 data-nosnippet>153</a> ),
<a href=#154 id=154 data-nosnippet>154</a> drive_bi(
<a href=#155 id=155 data-nosnippet>155</a> connection.clone(),
<a href=#156 id=156 data-nosnippet>156</a> stream_stats.clone(),
<a href=#157 id=157 data-nosnippet>157</a> opt.bi_requests,
<a href=#158 id=158 data-nosnippet>158</a> opt.upload_size,
<a href=#159 id=159 data-nosnippet>159</a> opt.download_size
<a href=#160 id=160 data-nosnippet>160</a> )
<a href=#161 id=161 data-nosnippet>161</a> )
<a href=#162 id=162 data-nosnippet>162</a> };
<a href=#163 id=163 data-nosnippet>163</a>
<a href=#164 id=164 data-nosnippet>164</a> <span class="kw">let </span><span class="kw-2">mut </span>stats = Stats::default();
<a href=#165 id=165 data-nosnippet>165</a>
<a href=#166 id=166 data-nosnippet>166</a> <span class="kw">let </span>stats_fut = <span class="kw">async </span>{
<a href=#167 id=167 data-nosnippet>167</a> <span class="kw">let </span>interval_duration = Duration::from_secs(opt.interval);
<a href=#168 id=168 data-nosnippet>168</a>
<a href=#169 id=169 data-nosnippet>169</a> <span class="kw">loop </span>{
<a href=#170 id=170 data-nosnippet>170</a> <span class="kw">let </span>start = Instant::now();
<a href=#171 id=171 data-nosnippet>171</a> tokio::time::sleep(interval_duration).<span class="kw">await</span>;
<a href=#172 id=172 data-nosnippet>172</a> {
<a href=#173 id=173 data-nosnippet>173</a> stats.on_interval(start, <span class="kw-2">&amp;</span>stream_stats);
<a href=#174 id=174 data-nosnippet>174</a>
<a href=#175 id=175 data-nosnippet>175</a> stats.print();
<a href=#176 id=176 data-nosnippet>176</a> <span class="kw">if </span>opt.common.conn_stats {
<a href=#177 id=177 data-nosnippet>177</a> <span class="macro">println!</span>(<span class="string">"{:?}\n"</span>, connection.stats());
<a href=#178 id=178 data-nosnippet>178</a> }
<a href=#179 id=179 data-nosnippet>179</a> }
<a href=#180 id=180 data-nosnippet>180</a> }
<a href=#181 id=181 data-nosnippet>181</a> };
<a href=#182 id=182 data-nosnippet>182</a>
<a href=#183 id=183 data-nosnippet>183</a> <span class="macro">tokio::select!</span> {
<a href=#184 id=184 data-nosnippet>184</a> <span class="kw">_ </span>= drive_fut =&gt; {}
<a href=#185 id=185 data-nosnippet>185</a> <span class="kw">_ </span>= stats_fut =&gt; {}
<a href=#186 id=186 data-nosnippet>186</a> <span class="kw">_ </span>= tokio::signal::ctrl_c() =&gt; {
<a href=#187 id=187 data-nosnippet>187</a> <span class="macro">info!</span>(<span class="string">"shutting down"</span>);
<a href=#188 id=188 data-nosnippet>188</a> connection.close(<span class="number">0u32</span>.into(), <span class="string">b"interrupted"</span>);
<a href=#189 id=189 data-nosnippet>189</a> }
<a href=#190 id=190 data-nosnippet>190</a> <span class="comment">// Add a small duration so the final interval can be reported
<a href=#191 id=191 data-nosnippet>191</a> </span><span class="kw">_ </span>= tokio::time::sleep(Duration::from_secs(opt.duration) + Duration::from_millis(<span class="number">200</span>)) =&gt; {
<a href=#192 id=192 data-nosnippet>192</a> <span class="macro">info!</span>(<span class="string">"shutting down"</span>);
<a href=#193 id=193 data-nosnippet>193</a> connection.close(<span class="number">0u32</span>.into(), <span class="string">b"done"</span>);
<a href=#194 id=194 data-nosnippet>194</a> }
<a href=#195 id=195 data-nosnippet>195</a> }
<a href=#196 id=196 data-nosnippet>196</a>
<a href=#197 id=197 data-nosnippet>197</a> endpoint.wait_idle().<span class="kw">await</span>;
<a href=#198 id=198 data-nosnippet>198</a>
<a href=#199 id=199 data-nosnippet>199</a> <span class="attr">#[cfg(feature = <span class="string">"json-output"</span>)]
<a href=#200 id=200 data-nosnippet>200</a> </span><span class="kw">if let </span><span class="prelude-val">Some</span>(path) = opt.json {
<a href=#201 id=201 data-nosnippet>201</a> stats.print_json(path.as_path())<span class="question-mark">?</span>;
<a href=#202 id=202 data-nosnippet>202</a> }
<a href=#203 id=203 data-nosnippet>203</a>
<a href=#204 id=204 data-nosnippet>204</a> <span class="prelude-val">Ok</span>(())
<a href=#205 id=205 data-nosnippet>205</a>}
<a href=#206 id=206 data-nosnippet>206</a>
<a href=#207 id=207 data-nosnippet>207</a><span class="kw">async fn </span>drain_stream(
<a href=#208 id=208 data-nosnippet>208</a> <span class="kw-2">mut </span>stream: quinn::RecvStream,
<a href=#209 id=209 data-nosnippet>209</a> download: u64,
<a href=#210 id=210 data-nosnippet>210</a> stream_stats: OpenStreamStats,
<a href=#211 id=211 data-nosnippet>211</a>) -&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
<a href=#212 id=212 data-nosnippet>212</a> <span class="kw">if </span>download == <span class="number">0 </span>{
<a href=#213 id=213 data-nosnippet>213</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(());
<a href=#214 id=214 data-nosnippet>214</a> }
<a href=#215 id=215 data-nosnippet>215</a>
<a href=#216 id=216 data-nosnippet>216</a> <span class="attr">#[rustfmt::skip]
<a href=#217 id=217 data-nosnippet>217</a> </span><span class="kw">let </span><span class="kw-2">mut </span>bufs = [
<a href=#218 id=218 data-nosnippet>218</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#219 id=219 data-nosnippet>219</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#220 id=220 data-nosnippet>220</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#221 id=221 data-nosnippet>221</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#222 id=222 data-nosnippet>222</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#223 id=223 data-nosnippet>223</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#224 id=224 data-nosnippet>224</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#225 id=225 data-nosnippet>225</a> Bytes::new(), Bytes::new(), Bytes::new(), Bytes::new(),
<a href=#226 id=226 data-nosnippet>226</a> ];
<a href=#227 id=227 data-nosnippet>227</a> <span class="kw">let </span>download_start = Instant::now();
<a href=#228 id=228 data-nosnippet>228</a> <span class="kw">let </span>recv_stream_stats = stream_stats.new_receiver(<span class="kw-2">&amp;</span>stream, download);
<a href=#229 id=229 data-nosnippet>229</a>
<a href=#230 id=230 data-nosnippet>230</a> <span class="kw">let </span><span class="kw-2">mut </span>first_byte = <span class="bool-val">true</span>;
<a href=#231 id=231 data-nosnippet>231</a>
<a href=#232 id=232 data-nosnippet>232</a> <span class="kw">while let </span><span class="prelude-val">Some</span>(size) = stream.read_chunks(<span class="kw-2">&amp;mut </span>bufs[..]).<span class="kw">await</span><span class="question-mark">? </span>{
<a href=#233 id=233 data-nosnippet>233</a> <span class="kw">if </span>first_byte {
<a href=#234 id=234 data-nosnippet>234</a> recv_stream_stats.on_first_byte(download_start.elapsed());
<a href=#235 id=235 data-nosnippet>235</a> first_byte = <span class="bool-val">false</span>;
<a href=#236 id=236 data-nosnippet>236</a> }
<a href=#237 id=237 data-nosnippet>237</a> <span class="kw">let </span>bytes_received = bufs[..size].iter().map(|b| b.len()).sum();
<a href=#238 id=238 data-nosnippet>238</a> recv_stream_stats.on_bytes(bytes_received);
<a href=#239 id=239 data-nosnippet>239</a> }
<a href=#240 id=240 data-nosnippet>240</a>
<a href=#241 id=241 data-nosnippet>241</a> <span class="kw">if </span>first_byte {
<a href=#242 id=242 data-nosnippet>242</a> recv_stream_stats.on_first_byte(download_start.elapsed());
<a href=#243 id=243 data-nosnippet>243</a> }
<a href=#244 id=244 data-nosnippet>244</a> recv_stream_stats.finish(download_start.elapsed());
<a href=#245 id=245 data-nosnippet>245</a>
<a href=#246 id=246 data-nosnippet>246</a> <span class="macro">debug!</span>(<span class="string">"response finished on {}"</span>, stream.id());
<a href=#247 id=247 data-nosnippet>247</a> <span class="prelude-val">Ok</span>(())
<a href=#248 id=248 data-nosnippet>248</a>}
<a href=#249 id=249 data-nosnippet>249</a>
<a href=#250 id=250 data-nosnippet>250</a><span class="kw">async fn </span>drive_uni(
<a href=#251 id=251 data-nosnippet>251</a> connection: quinn::Connection,
<a href=#252 id=252 data-nosnippet>252</a> stream_stats: OpenStreamStats,
<a href=#253 id=253 data-nosnippet>253</a> concurrency: u64,
<a href=#254 id=254 data-nosnippet>254</a> upload: u64,
<a href=#255 id=255 data-nosnippet>255</a> download: u64,
<a href=#256 id=256 data-nosnippet>256</a>) -&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
<a href=#257 id=257 data-nosnippet>257</a> <span class="kw">if </span>concurrency == <span class="number">0 </span>{
<a href=#258 id=258 data-nosnippet>258</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(());
<a href=#259 id=259 data-nosnippet>259</a> }
<a href=#260 id=260 data-nosnippet>260</a>
<a href=#261 id=261 data-nosnippet>261</a> <span class="kw">let </span>sem = Arc::new(Semaphore::new(concurrency <span class="kw">as </span>usize));
<a href=#262 id=262 data-nosnippet>262</a>
<a href=#263 id=263 data-nosnippet>263</a> <span class="kw">loop </span>{
<a href=#264 id=264 data-nosnippet>264</a> <span class="kw">let </span>permit = sem.clone().acquire_owned().<span class="kw">await</span>.unwrap();
<a href=#265 id=265 data-nosnippet>265</a> <span class="kw">let </span>send = connection.open_uni().<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#266 id=266 data-nosnippet>266</a> <span class="kw">let </span>stream_stats = stream_stats.clone();
<a href=#267 id=267 data-nosnippet>267</a>
<a href=#268 id=268 data-nosnippet>268</a> <span class="macro">debug!</span>(<span class="string">"sending request on {}"</span>, send.id());
<a href=#269 id=269 data-nosnippet>269</a> <span class="kw">let </span>connection = connection.clone();
<a href=#270 id=270 data-nosnippet>270</a> tokio::spawn(<span class="kw">async move </span>{
<a href=#271 id=271 data-nosnippet>271</a> <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = request_uni(send, connection, upload, download, stream_stats).<span class="kw">await </span>{
<a href=#272 id=272 data-nosnippet>272</a> <span class="macro">error!</span>(<span class="string">"sending request failed: {:#}"</span>, e);
<a href=#273 id=273 data-nosnippet>273</a> }
<a href=#274 id=274 data-nosnippet>274</a>
<a href=#275 id=275 data-nosnippet>275</a> drop(permit);
<a href=#276 id=276 data-nosnippet>276</a> });
<a href=#277 id=277 data-nosnippet>277</a> }
<a href=#278 id=278 data-nosnippet>278</a>}
<a href=#279 id=279 data-nosnippet>279</a>
<a href=#280 id=280 data-nosnippet>280</a><span class="kw">async fn </span>request_uni(
<a href=#281 id=281 data-nosnippet>281</a> send: quinn::SendStream,
<a href=#282 id=282 data-nosnippet>282</a> conn: quinn::Connection,
<a href=#283 id=283 data-nosnippet>283</a> upload: u64,
<a href=#284 id=284 data-nosnippet>284</a> download: u64,
<a href=#285 id=285 data-nosnippet>285</a> stream_stats: OpenStreamStats,
<a href=#286 id=286 data-nosnippet>286</a>) -&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
<a href=#287 id=287 data-nosnippet>287</a> request(send, upload, download, stream_stats.clone()).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#288 id=288 data-nosnippet>288</a> <span class="kw">let </span>recv = conn.accept_uni().<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#289 id=289 data-nosnippet>289</a> drain_stream(recv, download, stream_stats).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#290 id=290 data-nosnippet>290</a> <span class="prelude-val">Ok</span>(())
<a href=#291 id=291 data-nosnippet>291</a>}
<a href=#292 id=292 data-nosnippet>292</a>
<a href=#293 id=293 data-nosnippet>293</a><span class="kw">async fn </span>request(
<a href=#294 id=294 data-nosnippet>294</a> <span class="kw-2">mut </span>send: quinn::SendStream,
<a href=#295 id=295 data-nosnippet>295</a> <span class="kw-2">mut </span>upload: u64,
<a href=#296 id=296 data-nosnippet>296</a> download: u64,
<a href=#297 id=297 data-nosnippet>297</a> stream_stats: OpenStreamStats,
<a href=#298 id=298 data-nosnippet>298</a>) -&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
<a href=#299 id=299 data-nosnippet>299</a> <span class="kw">let </span>upload_start = Instant::now();
<a href=#300 id=300 data-nosnippet>300</a> send.write_all(<span class="kw-2">&amp;</span>download.to_be_bytes()).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#301 id=301 data-nosnippet>301</a> <span class="kw">if </span>upload == <span class="number">0 </span>{
<a href=#302 id=302 data-nosnippet>302</a> send.finish().unwrap();
<a href=#303 id=303 data-nosnippet>303</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(());
<a href=#304 id=304 data-nosnippet>304</a> }
<a href=#305 id=305 data-nosnippet>305</a>
<a href=#306 id=306 data-nosnippet>306</a> <span class="kw">let </span>send_stream_stats = stream_stats.new_sender(<span class="kw-2">&amp;</span>send, upload);
<a href=#307 id=307 data-nosnippet>307</a>
<a href=#308 id=308 data-nosnippet>308</a> <span class="kw">static </span>DATA: [u8; <span class="number">1024 </span>* <span class="number">1024</span>] = [<span class="number">42</span>; <span class="number">1024 </span>* <span class="number">1024</span>];
<a href=#309 id=309 data-nosnippet>309</a> <span class="kw">while </span>upload &gt; <span class="number">0 </span>{
<a href=#310 id=310 data-nosnippet>310</a> <span class="kw">let </span>chunk_len = upload.min(DATA.len() <span class="kw">as </span>u64);
<a href=#311 id=311 data-nosnippet>311</a> send.write_chunk(Bytes::from_static(<span class="kw-2">&amp;</span>DATA[..chunk_len <span class="kw">as </span>usize]))
<a href=#312 id=312 data-nosnippet>312</a> .<span class="kw">await
<a href=#313 id=313 data-nosnippet>313</a> </span>.context(<span class="string">"sending response"</span>)<span class="question-mark">?</span>;
<a href=#314 id=314 data-nosnippet>314</a> send_stream_stats.on_bytes(chunk_len <span class="kw">as </span>usize);
<a href=#315 id=315 data-nosnippet>315</a> upload -= chunk_len;
<a href=#316 id=316 data-nosnippet>316</a> }
<a href=#317 id=317 data-nosnippet>317</a> send.finish().unwrap();
<a href=#318 id=318 data-nosnippet>318</a> <span class="comment">// Wait for stream to close
<a href=#319 id=319 data-nosnippet>319</a> </span><span class="kw">_ </span>= send.stopped().<span class="kw">await</span>;
<a href=#320 id=320 data-nosnippet>320</a> send_stream_stats.finish(upload_start.elapsed());
<a href=#321 id=321 data-nosnippet>321</a>
<a href=#322 id=322 data-nosnippet>322</a> <span class="macro">debug!</span>(<span class="string">"upload finished on {}"</span>, send.id());
<a href=#323 id=323 data-nosnippet>323</a> <span class="prelude-val">Ok</span>(())
<a href=#324 id=324 data-nosnippet>324</a>}
<a href=#325 id=325 data-nosnippet>325</a>
<a href=#326 id=326 data-nosnippet>326</a><span class="kw">async fn </span>drive_bi(
<a href=#327 id=327 data-nosnippet>327</a> connection: quinn::Connection,
<a href=#328 id=328 data-nosnippet>328</a> stream_stats: OpenStreamStats,
<a href=#329 id=329 data-nosnippet>329</a> concurrency: u64,
<a href=#330 id=330 data-nosnippet>330</a> upload: u64,
<a href=#331 id=331 data-nosnippet>331</a> download: u64,
<a href=#332 id=332 data-nosnippet>332</a>) -&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
<a href=#333 id=333 data-nosnippet>333</a> <span class="kw">if </span>concurrency == <span class="number">0 </span>{
<a href=#334 id=334 data-nosnippet>334</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(());
<a href=#335 id=335 data-nosnippet>335</a> }
<a href=#336 id=336 data-nosnippet>336</a>
<a href=#337 id=337 data-nosnippet>337</a> <span class="kw">let </span>sem = Arc::new(Semaphore::new(concurrency <span class="kw">as </span>usize));
<a href=#338 id=338 data-nosnippet>338</a>
<a href=#339 id=339 data-nosnippet>339</a> <span class="kw">loop </span>{
<a href=#340 id=340 data-nosnippet>340</a> <span class="kw">let </span>permit = sem.clone().acquire_owned().<span class="kw">await</span>.unwrap();
<a href=#341 id=341 data-nosnippet>341</a> <span class="kw">let </span>(send, recv) = connection.open_bi().<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#342 id=342 data-nosnippet>342</a> <span class="kw">let </span>stream_stats = stream_stats.clone();
<a href=#343 id=343 data-nosnippet>343</a>
<a href=#344 id=344 data-nosnippet>344</a> <span class="macro">debug!</span>(<span class="string">"sending request on {}"</span>, send.id());
<a href=#345 id=345 data-nosnippet>345</a> tokio::spawn(<span class="kw">async move </span>{
<a href=#346 id=346 data-nosnippet>346</a> <span class="kw">if let </span><span class="prelude-val">Err</span>(e) = request_bi(send, recv, upload, download, stream_stats).<span class="kw">await </span>{
<a href=#347 id=347 data-nosnippet>347</a> <span class="macro">error!</span>(<span class="string">"request failed: {:#}"</span>, e);
<a href=#348 id=348 data-nosnippet>348</a> }
<a href=#349 id=349 data-nosnippet>349</a>
<a href=#350 id=350 data-nosnippet>350</a> drop(permit);
<a href=#351 id=351 data-nosnippet>351</a> });
<a href=#352 id=352 data-nosnippet>352</a> }
<a href=#353 id=353 data-nosnippet>353</a>}
<a href=#354 id=354 data-nosnippet>354</a>
<a href=#355 id=355 data-nosnippet>355</a><span class="kw">async fn </span>request_bi(
<a href=#356 id=356 data-nosnippet>356</a> send: quinn::SendStream,
<a href=#357 id=357 data-nosnippet>357</a> recv: quinn::RecvStream,
<a href=#358 id=358 data-nosnippet>358</a> upload: u64,
<a href=#359 id=359 data-nosnippet>359</a> download: u64,
<a href=#360 id=360 data-nosnippet>360</a> stream_stats: OpenStreamStats,
<a href=#361 id=361 data-nosnippet>361</a>) -&gt; <span class="prelude-ty">Result</span>&lt;()&gt; {
<a href=#362 id=362 data-nosnippet>362</a> request(send, upload, download, stream_stats.clone()).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#363 id=363 data-nosnippet>363</a> drain_stream(recv, download, stream_stats).<span class="kw">await</span><span class="question-mark">?</span>;
<a href=#364 id=364 data-nosnippet>364</a> <span class="prelude-val">Ok</span>(())
<a href=#365 id=365 data-nosnippet>365</a>}
<a href=#366 id=366 data-nosnippet>366</a>
<a href=#367 id=367 data-nosnippet>367</a><span class="attr">#[derive(Debug)]
<a href=#368 id=368 data-nosnippet>368</a></span><span class="kw">struct </span>SkipServerVerification(Arc&lt;rustls::crypto::CryptoProvider&gt;);
<a href=#369 id=369 data-nosnippet>369</a>
<a href=#370 id=370 data-nosnippet>370</a><span class="kw">impl </span>SkipServerVerification {
<a href=#371 id=371 data-nosnippet>371</a> <span class="kw">fn </span>new(provider: Arc&lt;rustls::crypto::CryptoProvider&gt;) -&gt; Arc&lt;<span class="self">Self</span>&gt; {
<a href=#372 id=372 data-nosnippet>372</a> Arc::new(<span class="self">Self</span>(provider))
<a href=#373 id=373 data-nosnippet>373</a> }
<a href=#374 id=374 data-nosnippet>374</a>}
<a href=#375 id=375 data-nosnippet>375</a>
<a href=#376 id=376 data-nosnippet>376</a><span class="kw">impl </span>rustls::client::danger::ServerCertVerifier <span class="kw">for </span>SkipServerVerification {
<a href=#377 id=377 data-nosnippet>377</a> <span class="kw">fn </span>verify_server_cert(
<a href=#378 id=378 data-nosnippet>378</a> <span class="kw-2">&amp;</span><span class="self">self</span>,
<a href=#379 id=379 data-nosnippet>379</a> _end_entity: <span class="kw-2">&amp;</span>CertificateDer&lt;<span class="lifetime">'_</span>&gt;,
<a href=#380 id=380 data-nosnippet>380</a> _intermediates: <span class="kw-2">&amp;</span>[CertificateDer&lt;<span class="lifetime">'_</span>&gt;],
<a href=#381 id=381 data-nosnippet>381</a> _server_name: <span class="kw-2">&amp;</span>ServerName&lt;<span class="lifetime">'_</span>&gt;,
<a href=#382 id=382 data-nosnippet>382</a> _ocsp: <span class="kw-2">&amp;</span>[u8],
<a href=#383 id=383 data-nosnippet>383</a> _now: UnixTime,
<a href=#384 id=384 data-nosnippet>384</a> ) -&gt; <span class="prelude-ty">Result</span>&lt;rustls::client::danger::ServerCertVerified, rustls::Error&gt; {
<a href=#385 id=385 data-nosnippet>385</a> <span class="prelude-val">Ok</span>(rustls::client::danger::ServerCertVerified::assertion())
<a href=#386 id=386 data-nosnippet>386</a> }
<a href=#387 id=387 data-nosnippet>387</a>
<a href=#388 id=388 data-nosnippet>388</a> <span class="kw">fn </span>verify_tls12_signature(
<a href=#389 id=389 data-nosnippet>389</a> <span class="kw-2">&amp;</span><span class="self">self</span>,
<a href=#390 id=390 data-nosnippet>390</a> message: <span class="kw-2">&amp;</span>[u8],
<a href=#391 id=391 data-nosnippet>391</a> cert: <span class="kw-2">&amp;</span>CertificateDer&lt;<span class="lifetime">'_</span>&gt;,
<a href=#392 id=392 data-nosnippet>392</a> dss: <span class="kw-2">&amp;</span>rustls::DigitallySignedStruct,
<a href=#393 id=393 data-nosnippet>393</a> ) -&gt; <span class="prelude-ty">Result</span>&lt;rustls::client::danger::HandshakeSignatureValid, rustls::Error&gt; {
<a href=#394 id=394 data-nosnippet>394</a> rustls::crypto::verify_tls12_signature(
<a href=#395 id=395 data-nosnippet>395</a> message,
<a href=#396 id=396 data-nosnippet>396</a> cert,
<a href=#397 id=397 data-nosnippet>397</a> dss,
<a href=#398 id=398 data-nosnippet>398</a> <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="number">0</span>.signature_verification_algorithms,
<a href=#399 id=399 data-nosnippet>399</a> )
<a href=#400 id=400 data-nosnippet>400</a> }
<a href=#401 id=401 data-nosnippet>401</a>
<a href=#402 id=402 data-nosnippet>402</a> <span class="kw">fn </span>verify_tls13_signature(
<a href=#403 id=403 data-nosnippet>403</a> <span class="kw-2">&amp;</span><span class="self">self</span>,
<a href=#404 id=404 data-nosnippet>404</a> message: <span class="kw-2">&amp;</span>[u8],
<a href=#405 id=405 data-nosnippet>405</a> cert: <span class="kw-2">&amp;</span>CertificateDer&lt;<span class="lifetime">'_</span>&gt;,
<a href=#406 id=406 data-nosnippet>406</a> dss: <span class="kw-2">&amp;</span>rustls::DigitallySignedStruct,
<a href=#407 id=407 data-nosnippet>407</a> ) -&gt; <span class="prelude-ty">Result</span>&lt;rustls::client::danger::HandshakeSignatureValid, rustls::Error&gt; {
<a href=#408 id=408 data-nosnippet>408</a> rustls::crypto::verify_tls13_signature(
<a href=#409 id=409 data-nosnippet>409</a> message,
<a href=#410 id=410 data-nosnippet>410</a> cert,
<a href=#411 id=411 data-nosnippet>411</a> dss,
<a href=#412 id=412 data-nosnippet>412</a> <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="number">0</span>.signature_verification_algorithms,
<a href=#413 id=413 data-nosnippet>413</a> )
<a href=#414 id=414 data-nosnippet>414</a> }
<a href=#415 id=415 data-nosnippet>415</a>
<a href=#416 id=416 data-nosnippet>416</a> <span class="kw">fn </span>supported_verify_schemes(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Vec&lt;rustls::SignatureScheme&gt; {
<a href=#417 id=417 data-nosnippet>417</a> <span class="self">self</span>.<span class="number">0</span>.signature_verification_algorithms.supported_schemes()
<a href=#418 id=418 data-nosnippet>418</a> }
<a href=#419 id=419 data-nosnippet>419</a>}</code></pre></div></section></main></body></html>