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<li class="navelem"><a class="el" href="dir_120ed4da3e3217b1e7fc0b4f48568e79.html">test</a></li><li class="navelem"><a class="el" href="dir_318145072d948161b6b9385de457c361.html">beast</a></li> </ul>
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<div class="headertitle"><div class="title">beast_io_latency_probe_test.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright (c) 2018 Ripple Labs Inc.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">*/</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">//==============================================================================</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;xrpl/beast/asio/io_latency_probe.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;xrpl/beast/test/yield_to.h&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;xrpl/beast/unit_test.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include &lt;boost/asio/basic_waitable_timer.hpp&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;boost/asio/deadline_timer.hpp&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include &lt;boost/asio/executor_work_guard.hpp&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &lt;boost/asio/io_context.hpp&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/mutex.html">mutex</a>&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/numeric.html">numeric</a>&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>&gt;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a>&gt;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">using namespace </span>std::chrono_literals;</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="foldopen" id="foldopen00037" data-start="{" data-end="};">
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="classio__latency__probe__test.html"> 37</a></span><span class="keyword">class </span><a class="code hl_class" href="classio__latency__probe__test.html">io_latency_probe_test</a> : <span class="keyword">public</span> <a class="code hl_class" href="classbeast_1_1unit__test_1_1suite.html">beast::unit_test::suite</a>,</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">public</span> <a class="code hl_class" href="classbeast_1_1test_1_1enable__yield__to.html">beast::test::enable_yield_to</a></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="classio__latency__probe__test.html#a306f92040b6aa71f94c22aa0dc026430"> 40</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="classio__latency__probe__test.html#a306f92040b6aa71f94c22aa0dc026430">MyTimer</a> =</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> boost::asio::basic_waitable_timer&lt;std::chrono::steady_clock&gt;;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#ifdef RIPPLED_RUNNING_IN_CI</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">template</span> &lt;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">class </span>Clock,</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">class </span>MeasureClock = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/high_resolution_clock.html">std::chrono::high_resolution_clock</a>&gt;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">struct </span>measure_asio_timers</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">using </span>duration = <span class="keyword">typename</span> Clock::duration;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">using </span>rep = <span class="keyword">typename</span> MeasureClock::duration::rep;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;duration&gt;</a> elapsed_times_;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> measure_asio_timers(duration interval = 100ms, <span class="keywordtype">size_t</span> num_samples = 50)</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">using namespace </span><a class="code hl_namespaceRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> boost::asio::io_context <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ios.html">ios</a>;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a>&lt;boost::asio::executor_work_guard&lt;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> boost::asio::io_context::executor_type&gt;&gt;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> work{boost::asio::make_work_guard(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ios.html">ios</a>)};</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/thread.html">std::thread</a> worker{[&amp;] { <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ios.html">ios</a>.run(); }};</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> boost::asio::basic_waitable_timer&lt;Clock&gt; timer{<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ios.html">ios</a>};</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> elapsed_times_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(num_samples);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/mutex.html">std::mutex</a> mtx;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/unique_lock.html">std::unique_lock&lt;std::mutex&gt;</a> mainlock{mtx};</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/condition_variable.html">std::condition_variable</a> cv;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">bool</span> done = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> boost::system::error_code wait_err;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">while</span> (--num_samples)</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> {</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">auto</span> <span class="keyword">const</span> start{MeasureClock::now()};</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> done = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> timer.expires_after(interval);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> timer.async_wait([&amp;](boost::system::error_code <span class="keyword">const</span>&amp; ec) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (ec)</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> wait_err = ec;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">auto</span> <span class="keyword">const</span> end{MeasureClock::now()};</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> elapsed_times_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">emplace_back</a>(end - start);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lk{mtx};</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> done = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> cv.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/thread/condition_variable/notify_one.html">notify_one</a>();</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> });</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> cv.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/thread/condition_variable/wait.html">wait</a>(mainlock, [&amp;done] { <span class="keywordflow">return</span> done; });</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> }</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> work.reset();</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> worker.join();</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">if</span> (wait_err)</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> boost::asio::detail::throw_error(wait_err, <span class="stringliteral">&quot;wait&quot;</span>);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> D&gt;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">auto</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> getMean()</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">double</span> sum = {0};</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; v : elapsed_times_)</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> {</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> sum += <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> std::chrono::duration_cast&lt;D&gt;(v).count());</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> }</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">return</span> sum / elapsed_times_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>();</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> D&gt;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">auto</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> getMax()</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> {</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">return</span> std::chrono::duration_cast&lt;D&gt;(</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> *<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max_element.html">std::max_element</a>(</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> elapsed_times_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), elapsed_times_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>()))</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> .count();</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> D&gt;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">auto</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> getMin()</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> std::chrono::duration_cast&lt;D&gt;(</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> *<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min_element.html">std::min_element</a>(</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> elapsed_times_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), elapsed_times_.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>()))</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> .count();</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> };</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="foldopen" id="foldopen00134" data-start="{" data-end="};">
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="structio__latency__probe__test_1_1test__sampler.html"> 134</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structio__latency__probe__test_1_1test__sampler.html">test_sampler</a></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> {</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="structio__latency__probe__test_1_1test__sampler.html#a30a9263b73b5f97bf68a0d5333558687"> 136</a></span> <a class="code hl_class" href="classbeast_1_1io__latency__probe.html">beast::io_latency_probe&lt;std::chrono::steady_clock&gt;</a> <a class="code hl_variable" href="structio__latency__probe__test_1_1test__sampler.html#a30a9263b73b5f97bf68a0d5333558687">probe_</a>;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"><a class="line" href="structio__latency__probe__test_1_1test__sampler.html#a3f22012fa788861cb0444706a9df1869"> 137</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::chrono::steady_clock::duration&gt;</a> <a class="code hl_variable" href="structio__latency__probe__test_1_1test__sampler.html#a3f22012fa788861cb0444706a9df1869">durations_</a>;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="foldopen" id="foldopen00139" data-start="{" data-end="}">
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="structio__latency__probe__test_1_1test__sampler.html#aa8bc997fb94cba100e9b7c76f853d1bb"> 139</a></span> <a class="code hl_function" href="structio__latency__probe__test_1_1test__sampler.html#aa8bc997fb94cba100e9b7c76f853d1bb">test_sampler</a>(</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::milliseconds</a> interval,</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> boost::asio::io_context&amp; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ios.html">ios</a>)</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> : <a class="code hl_variable" href="structio__latency__probe__test_1_1test__sampler.html#a30a9263b73b5f97bf68a0d5333558687">probe_</a>(interval, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ios.html">ios</a>)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> {</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> }</div>
</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00147" data-start="{" data-end="}">
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="structio__latency__probe__test_1_1test__sampler.html#a42b431a7b398eb4805857f209d986087"> 147</a></span> <a class="code hl_function" href="structio__latency__probe__test_1_1test__sampler.html#a42b431a7b398eb4805857f209d986087">start</a>()</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> {</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <a class="code hl_variable" href="structio__latency__probe__test_1_1test__sampler.html#a30a9263b73b5f97bf68a0d5333558687">probe_</a>.<a class="code hl_function" href="classbeast_1_1io__latency__probe.html#a0d31e25fc6af4e3ed0ff85c82e0a5599">sample</a>(<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/functional/ref.html">std::ref</a>(*<span class="keyword">this</span>));</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div>
</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00153" data-start="{" data-end="}">
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"><a class="line" href="structio__latency__probe__test_1_1test__sampler.html#a4b4fa51813d8830f2a1f5cc52357fdf7"> 153</a></span> <a class="code hl_function" href="structio__latency__probe__test_1_1test__sampler.html#a4b4fa51813d8830f2a1f5cc52357fdf7">start_one</a>()</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_variable" href="structio__latency__probe__test_1_1test__sampler.html#a30a9263b73b5f97bf68a0d5333558687">probe_</a>.<a class="code hl_function" href="classbeast_1_1io__latency__probe.html#a583609000bb804d60aa7404f8d01762b">sample_one</a>(<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/functional/ref.html">std::ref</a>(*<span class="keyword">this</span>));</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00159" data-start="{" data-end="}">
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"><a class="line" href="structio__latency__probe__test_1_1test__sampler.html#a01b7b803a3e01556603ae29217f1012c"> 159</a></span> <a class="code hl_function" href="structio__latency__probe__test_1_1test__sampler.html#a01b7b803a3e01556603ae29217f1012c">operator()</a>(std::chrono::steady_clock::duration <span class="keyword">const</span>&amp; elapsed)</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> {</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <a class="code hl_variable" href="structio__latency__probe__test_1_1test__sampler.html#a3f22012fa788861cb0444706a9df1869">durations_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(elapsed);</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> }</div>
</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> };</div>
</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00166" data-start="{" data-end="}">
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"><a class="line" href="classio__latency__probe__test.html#aedd27f651eaea729c661e6703c74e756"> 166</a></span> <a class="code hl_function" href="classio__latency__probe__test.html#aedd27f651eaea729c661e6703c74e756">testSampleOne</a>(boost::asio::yield_context&amp; yield)</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> {</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <a class="code hl_variable" href="classbeast_1_1unit__test_1_1suite.html#aaa1237d9b85c69d35fe86645cee094b5">testcase</a> &lt;&lt; <span class="stringliteral">&quot;sample one&quot;</span>;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> boost::system::error_code ec;</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <a class="code hl_struct" href="structio__latency__probe__test_1_1test__sampler.html">test_sampler</a> io_probe{100ms, <a class="code hl_function" href="classbeast_1_1test_1_1enable__yield__to.html#a240c1cf70fb6261937e75b45fee0d1a8">get_io_context</a>()};</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> io_probe.<a class="code hl_function" href="structio__latency__probe__test_1_1test__sampler.html#a4b4fa51813d8830f2a1f5cc52357fdf7">start_one</a>();</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <a class="code hl_typedef" href="classio__latency__probe__test.html#a306f92040b6aa71f94c22aa0dc026430">MyTimer</a> timer{<a class="code hl_function" href="classbeast_1_1test_1_1enable__yield__to.html#a240c1cf70fb6261937e75b45fee0d1a8">get_io_context</a>(), 1s};</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> timer.async_wait(yield[ec]);</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordflow">if</span> (!BEAST_EXPECTS(!ec, ec.message()))</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> BEAST_EXPECT(io_probe.durations_.size() == 1);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> io_probe.probe_.cancel_async();</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> }</div>
</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00181" data-start="{" data-end="}">
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"><a class="line" href="classio__latency__probe__test.html#ad22f9c95e5db92fba321d43484c2a619"> 181</a></span> <a class="code hl_function" href="classio__latency__probe__test.html#ad22f9c95e5db92fba321d43484c2a619">testSampleOngoing</a>(boost::asio::yield_context&amp; yield)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_variable" href="classbeast_1_1unit__test_1_1suite.html#aaa1237d9b85c69d35fe86645cee094b5">testcase</a> &lt;&lt; <span class="stringliteral">&quot;sample ongoing&quot;</span>;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> boost::system::error_code ec;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">using namespace </span><a class="code hl_namespaceRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">auto</span> interval = 99ms;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">auto</span> probe_duration = 1s;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordtype">size_t</span> expected_probe_count_max = (probe_duration / interval);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">size_t</span> expected_probe_count_min = expected_probe_count_max;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span><span class="preprocessor">#ifdef RIPPLED_RUNNING_IN_CI</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// adjust min expected based on measurements</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// if running in CI/VM environment</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> measure_asio_timers&lt;steady_clock&gt; tt{interval};</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_variable" href="classbeast_1_1unit__test_1_1suite.html#a19b8ee0ce850d78834984655ae83b20e">log</a> &lt;&lt; <span class="stringliteral">&quot;measured mean for timers: &quot;</span> &lt;&lt; tt.getMean&lt;<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">milliseconds</a>&gt;()</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> &lt;&lt; <span class="stringliteral">&quot;ms\n&quot;</span>;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <a class="code hl_variable" href="classbeast_1_1unit__test_1_1suite.html#a19b8ee0ce850d78834984655ae83b20e">log</a> &lt;&lt; <span class="stringliteral">&quot;measured max for timers: &quot;</span> &lt;&lt; tt.getMax&lt;<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">milliseconds</a>&gt;()</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> &lt;&lt; <span class="stringliteral">&quot;ms\n&quot;</span>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> expected_probe_count_min =</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">size_t</span><span class="keyword">&gt;</span>(</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> duration_cast&lt;milliseconds&gt;(probe_duration).count()) /</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">size_t</span><span class="keyword">&gt;</span>(tt.getMean&lt;<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">milliseconds</a>&gt;());</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_struct" href="structio__latency__probe__test_1_1test__sampler.html">test_sampler</a> io_probe{interval, <a class="code hl_function" href="classbeast_1_1test_1_1enable__yield__to.html#a240c1cf70fb6261937e75b45fee0d1a8">get_io_context</a>()};</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> io_probe.<a class="code hl_function" href="structio__latency__probe__test_1_1test__sampler.html#a42b431a7b398eb4805857f209d986087">start</a>();</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <a class="code hl_typedef" href="classio__latency__probe__test.html#a306f92040b6aa71f94c22aa0dc026430">MyTimer</a> timer{<a class="code hl_function" href="classbeast_1_1test_1_1enable__yield__to.html#a240c1cf70fb6261937e75b45fee0d1a8">get_io_context</a>(), probe_duration};</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> timer.async_wait(yield[ec]);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">if</span> (!BEAST_EXPECTS(!ec, ec.message()))</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">auto</span> probes_seen = io_probe.durations_.size();</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> BEAST_EXPECTS(</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> probes_seen &gt;= (expected_probe_count_min - 1) &amp;&amp;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> probes_seen &lt;= (expected_probe_count_max + 1),</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(<span class="stringliteral">&quot;probe count is &quot;</span>) + <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(probes_seen));</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> io_probe.probe_.cancel_async();</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// wait again in order to flush the remaining</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="comment">// probes from the work queue</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> timer.expires_after(1s);</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> timer.async_wait(yield[ec]);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> }</div>
</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00223" data-start="{" data-end="}">
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"><a class="line" href="classio__latency__probe__test.html#a4721f25541ffef89bc9920eb29c2ede0"> 223</a></span> <a class="code hl_function" href="classio__latency__probe__test.html#a4721f25541ffef89bc9920eb29c2ede0">testCanceled</a>(boost::asio::yield_context&amp; yield)</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> {</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_variable" href="classbeast_1_1unit__test_1_1suite.html#aaa1237d9b85c69d35fe86645cee094b5">testcase</a> &lt;&lt; <span class="stringliteral">&quot;canceled&quot;</span>;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <a class="code hl_struct" href="structio__latency__probe__test_1_1test__sampler.html">test_sampler</a> io_probe{100ms, <a class="code hl_function" href="classbeast_1_1test_1_1enable__yield__to.html#a240c1cf70fb6261937e75b45fee0d1a8">get_io_context</a>()};</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> io_probe.<a class="code hl_variable" href="structio__latency__probe__test_1_1test__sampler.html#a30a9263b73b5f97bf68a0d5333558687">probe_</a>.<a class="code hl_function" href="classbeast_1_1io__latency__probe.html#adaee7525295db67f85573a6b73eff113">cancel_async</a>();</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> except&lt;std::logic_error&gt;([&amp;io_probe]() { io_probe.start_one(); });</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> except&lt;std::logic_error&gt;([&amp;io_probe]() { io_probe.start(); });</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> }</div>
</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00234" data-start="{" data-end="}">
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"><a class="line" href="classio__latency__probe__test.html#ad2481385391e353d016ebc3d43824048"> 234</a></span> <a class="code hl_function" href="classio__latency__probe__test.html#ad2481385391e353d016ebc3d43824048">run</a>()<span class="keyword"> override</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <a class="code hl_function" href="classbeast_1_1test_1_1enable__yield__to.html#a611cd725aff174c8578d112a122fe419">yield_to</a>([&amp;](boost::asio::yield_context&amp; yield) {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <a class="code hl_function" href="classio__latency__probe__test.html#aedd27f651eaea729c661e6703c74e756">testSampleOne</a>(yield);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <a class="code hl_function" href="classio__latency__probe__test.html#ad22f9c95e5db92fba321d43484c2a619">testSampleOngoing</a>(yield);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <a class="code hl_function" href="classio__latency__probe__test.html#a4721f25541ffef89bc9920eb29c2ede0">testCanceled</a>(yield);</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> });</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> }</div>
</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span>};</div>
</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span>BEAST_DEFINE_TESTSUITE(io_latency_probe, <a class="code hl_namespace" href="namespacebeast.html">beast</a>, <a class="code hl_namespace" href="namespacebeast.html">beast</a>);</div>
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
<div class="ttc" id="abasic_ios_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ios.html">std::ios</a></div></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/begin.html">std::vector::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
<div class="ttc" id="aclassbeast_1_1io__latency__probe_html"><div class="ttname"><a href="classbeast_1_1io__latency__probe.html">beast::io_latency_probe</a></div><div class="ttdoc">Measures handler latency on an io_context queue.</div><div class="ttdef"><b>Definition</b> <a href="io__latency__probe_8h_source.html#l00038">io_latency_probe.h:39</a></div></div>
<div class="ttc" id="aclassbeast_1_1io__latency__probe_html_a0d31e25fc6af4e3ed0ff85c82e0a5599"><div class="ttname"><a href="classbeast_1_1io__latency__probe.html#a0d31e25fc6af4e3ed0ff85c82e0a5599">beast::io_latency_probe::sample</a></div><div class="ttdeci">void sample(Handler &amp;&amp;handler)</div><div class="ttdoc">Initiate continuous i/o latency sampling.</div><div class="ttdef"><b>Definition</b> <a href="io__latency__probe_8h_source.html#l00125">io_latency_probe.h:125</a></div></div>
<div class="ttc" id="aclassbeast_1_1io__latency__probe_html_a583609000bb804d60aa7404f8d01762b"><div class="ttname"><a href="classbeast_1_1io__latency__probe.html#a583609000bb804d60aa7404f8d01762b">beast::io_latency_probe::sample_one</a></div><div class="ttdeci">void sample_one(Handler &amp;&amp;handler)</div><div class="ttdoc">Measure one sample of i/o latency.</div><div class="ttdef"><b>Definition</b> <a href="io__latency__probe_8h_source.html#l00108">io_latency_probe.h:108</a></div></div>
<div class="ttc" id="aclassbeast_1_1io__latency__probe_html_adaee7525295db67f85573a6b73eff113"><div class="ttname"><a href="classbeast_1_1io__latency__probe.html#adaee7525295db67f85573a6b73eff113">beast::io_latency_probe::cancel_async</a></div><div class="ttdeci">void cancel_async()</div><div class="ttdef"><b>Definition</b> <a href="io__latency__probe_8h_source.html#l00095">io_latency_probe.h:95</a></div></div>
<div class="ttc" id="aclassbeast_1_1test_1_1enable__yield__to_html"><div class="ttname"><a href="classbeast_1_1test_1_1enable__yield__to.html">beast::test::enable_yield_to</a></div><div class="ttdoc">Mix-in to support tests using asio coroutines.</div><div class="ttdef"><b>Definition</b> <a href="yield__to_8h_source.html#l00031">yield_to.h:32</a></div></div>
<div class="ttc" id="aclassbeast_1_1test_1_1enable__yield__to_html_a240c1cf70fb6261937e75b45fee0d1a8"><div class="ttname"><a href="classbeast_1_1test_1_1enable__yield__to.html#a240c1cf70fb6261937e75b45fee0d1a8">beast::test::enable_yield_to::get_io_context</a></div><div class="ttdeci">boost::asio::io_context &amp; get_io_context()</div><div class="ttdoc">Return the io_context associated with the object.</div><div class="ttdef"><b>Definition</b> <a href="yield__to_8h_source.html#l00066">yield_to.h:66</a></div></div>
<div class="ttc" id="aclassbeast_1_1test_1_1enable__yield__to_html_a611cd725aff174c8578d112a122fe419"><div class="ttname"><a href="classbeast_1_1test_1_1enable__yield__to.html#a611cd725aff174c8578d112a122fe419">beast::test::enable_yield_to::yield_to</a></div><div class="ttdeci">void yield_to(F0 &amp;&amp;f0, FN &amp;&amp;... fn)</div><div class="ttdoc">Run one or more functions, each in a coroutine.</div><div class="ttdef"><b>Definition</b> <a href="yield__to_8h_source.html#l00105">yield_to.h:105</a></div></div>
<div class="ttc" id="aclassbeast_1_1unit__test_1_1suite_html"><div class="ttname"><a href="classbeast_1_1unit__test_1_1suite.html">beast::unit_test::suite</a></div><div class="ttdoc">A testsuite class.</div><div class="ttdef"><b>Definition</b> <a href="suite_8h_source.html#l00054">suite.h:55</a></div></div>
<div class="ttc" id="aclassbeast_1_1unit__test_1_1suite_html_a19b8ee0ce850d78834984655ae83b20e"><div class="ttname"><a href="classbeast_1_1unit__test_1_1suite.html#a19b8ee0ce850d78834984655ae83b20e">beast::unit_test::suite::log</a></div><div class="ttdeci">log_os&lt; char &gt; log</div><div class="ttdoc">Logging output stream.</div><div class="ttdef"><b>Definition</b> <a href="suite_8h_source.html#l00152">suite.h:152</a></div></div>
<div class="ttc" id="aclassbeast_1_1unit__test_1_1suite_html_aaa1237d9b85c69d35fe86645cee094b5"><div class="ttname"><a href="classbeast_1_1unit__test_1_1suite.html#aaa1237d9b85c69d35fe86645cee094b5">beast::unit_test::suite::testcase</a></div><div class="ttdeci">testcase_t testcase</div><div class="ttdoc">Memberspace for declaring test cases.</div><div class="ttdef"><b>Definition</b> <a href="suite_8h_source.html#l00155">suite.h:155</a></div></div>
<div class="ttc" id="aclassio__latency__probe__test_html"><div class="ttname"><a href="classio__latency__probe__test.html">io_latency_probe_test</a></div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00037">beast_io_latency_probe_test.cpp:39</a></div></div>
<div class="ttc" id="aclassio__latency__probe__test_html_a306f92040b6aa71f94c22aa0dc026430"><div class="ttname"><a href="classio__latency__probe__test.html#a306f92040b6aa71f94c22aa0dc026430">io_latency_probe_test::MyTimer</a></div><div class="ttdeci">boost::asio::basic_waitable_timer&lt; std::chrono::steady_clock &gt; MyTimer</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00040">beast_io_latency_probe_test.cpp:41</a></div></div>
<div class="ttc" id="aclassio__latency__probe__test_html_a4721f25541ffef89bc9920eb29c2ede0"><div class="ttname"><a href="classio__latency__probe__test.html#a4721f25541ffef89bc9920eb29c2ede0">io_latency_probe_test::testCanceled</a></div><div class="ttdeci">void testCanceled(boost::asio::yield_context &amp;yield)</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00223">beast_io_latency_probe_test.cpp:223</a></div></div>
<div class="ttc" id="aclassio__latency__probe__test_html_ad22f9c95e5db92fba321d43484c2a619"><div class="ttname"><a href="classio__latency__probe__test.html#ad22f9c95e5db92fba321d43484c2a619">io_latency_probe_test::testSampleOngoing</a></div><div class="ttdeci">void testSampleOngoing(boost::asio::yield_context &amp;yield)</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00181">beast_io_latency_probe_test.cpp:181</a></div></div>
<div class="ttc" id="aclassio__latency__probe__test_html_ad2481385391e353d016ebc3d43824048"><div class="ttname"><a href="classio__latency__probe__test.html#ad2481385391e353d016ebc3d43824048">io_latency_probe_test::run</a></div><div class="ttdeci">void run() override</div><div class="ttdoc">Runs the suite.</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00234">beast_io_latency_probe_test.cpp:234</a></div></div>
<div class="ttc" id="aclassio__latency__probe__test_html_aedd27f651eaea729c661e6703c74e756"><div class="ttname"><a href="classio__latency__probe__test.html#aedd27f651eaea729c661e6703c74e756">io_latency_probe_test::testSampleOne</a></div><div class="ttdeci">void testSampleOne(boost::asio::yield_context &amp;yield)</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00166">beast_io_latency_probe_test.cpp:166</a></div></div>
<div class="ttc" id="acondition_variable_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/condition_variable.html">std::condition_variable</a></div></div>
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<div class="ttc" id="amin_element_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/min_element.html">std::min_element</a></div><div class="ttdeci">T min_element(T... args)</div></div>
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<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
<div class="ttc" id="astructio__latency__probe__test_1_1test__sampler_html"><div class="ttname"><a href="structio__latency__probe__test_1_1test__sampler.html">io_latency_probe_test::test_sampler</a></div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00134">beast_io_latency_probe_test.cpp:135</a></div></div>
<div class="ttc" id="astructio__latency__probe__test_1_1test__sampler_html_a01b7b803a3e01556603ae29217f1012c"><div class="ttname"><a href="structio__latency__probe__test_1_1test__sampler.html#a01b7b803a3e01556603ae29217f1012c">io_latency_probe_test::test_sampler::operator()</a></div><div class="ttdeci">void operator()(std::chrono::steady_clock::duration const &amp;elapsed)</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00159">beast_io_latency_probe_test.cpp:159</a></div></div>
<div class="ttc" id="astructio__latency__probe__test_1_1test__sampler_html_a30a9263b73b5f97bf68a0d5333558687"><div class="ttname"><a href="structio__latency__probe__test_1_1test__sampler.html#a30a9263b73b5f97bf68a0d5333558687">io_latency_probe_test::test_sampler::probe_</a></div><div class="ttdeci">beast::io_latency_probe&lt; std::chrono::steady_clock &gt; probe_</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00136">beast_io_latency_probe_test.cpp:136</a></div></div>
<div class="ttc" id="astructio__latency__probe__test_1_1test__sampler_html_a3f22012fa788861cb0444706a9df1869"><div class="ttname"><a href="structio__latency__probe__test_1_1test__sampler.html#a3f22012fa788861cb0444706a9df1869">io_latency_probe_test::test_sampler::durations_</a></div><div class="ttdeci">std::vector&lt; std::chrono::steady_clock::duration &gt; durations_</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00137">beast_io_latency_probe_test.cpp:137</a></div></div>
<div class="ttc" id="astructio__latency__probe__test_1_1test__sampler_html_a42b431a7b398eb4805857f209d986087"><div class="ttname"><a href="structio__latency__probe__test_1_1test__sampler.html#a42b431a7b398eb4805857f209d986087">io_latency_probe_test::test_sampler::start</a></div><div class="ttdeci">void start()</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00147">beast_io_latency_probe_test.cpp:147</a></div></div>
<div class="ttc" id="astructio__latency__probe__test_1_1test__sampler_html_a4b4fa51813d8830f2a1f5cc52357fdf7"><div class="ttname"><a href="structio__latency__probe__test_1_1test__sampler.html#a4b4fa51813d8830f2a1f5cc52357fdf7">io_latency_probe_test::test_sampler::start_one</a></div><div class="ttdeci">void start_one()</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00153">beast_io_latency_probe_test.cpp:153</a></div></div>
<div class="ttc" id="astructio__latency__probe__test_1_1test__sampler_html_aa8bc997fb94cba100e9b7c76f853d1bb"><div class="ttname"><a href="structio__latency__probe__test_1_1test__sampler.html#aa8bc997fb94cba100e9b7c76f853d1bb">io_latency_probe_test::test_sampler::test_sampler</a></div><div class="ttdeci">test_sampler(std::chrono::milliseconds interval, boost::asio::io_context &amp;ios)</div><div class="ttdef"><b>Definition</b> <a href="beast__io__latency__probe__test_8cpp_source.html#l00139">beast_io_latency_probe_test.cpp:139</a></div></div>
<div class="ttc" id="athread_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/thread.html">std::thread</a></div></div>
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<div class="ttc" id="aunique_lock_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/unique_lock.html">std::unique_lock</a></div></div>
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