boost/redis
2
0
Fork 0
mirror of https://github.com/boostorg/redis.git synced 2026-01-19 04:42:09 +00:00
Code Issues Projects Releases Wiki Activity
Files
gh-pages
redis/connection__ops_8hpp_source.html
Marcelo Zimbres 5103af6bb8 v1.4.1
2023-01-14 18:42:44 +01:00

466 lines
57 KiB
HTML
Raw Permalink Blame History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.4"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Aedis: aedis/detail/connection_ops.hpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
extensions: ["tex2jax.js"],
jax: ["input/TeX","output/HTML-CSS"],
});
</script>
<script type="text/javascript" async="async" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-awesome.css" rel="stylesheet" type="text/css"/>
<link href="doxygen-awesome-sidebar-only.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectalign">
<div id="projectname">Aedis<span id="projectnumber">&#160;1.4.1</span>
</div>
<div id="projectbrief">A redis client library</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.4 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function(){initNavTree('connection__ops_8hpp_source.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle"><div class="title">connection_ops.hpp</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/* Copyright (c) 2018-2022 Marcelo Zimbres Silva (mzimbres@gmail.com)</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"> * Distributed under the Boost Software License, Version 1.0. (See</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * accompanying file LICENSE.txt)</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> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#ifndef AEDIS_CONNECTION_OPS_HPP</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#define AEDIS_CONNECTION_OPS_HPP</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;aedis/adapt.hpp&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;aedis/error.hpp&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;aedis/detail/guarded_operation.hpp&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;aedis/resp3/type.hpp&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;aedis/resp3/detail/parser.hpp&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;aedis/resp3/read.hpp&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;aedis/resp3/write.hpp&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;aedis/resp3/request.hpp&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;boost/assert.hpp&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;boost/system.hpp&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;boost/asio/write.hpp&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;boost/core/ignore_unused.hpp&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;boost/asio/experimental/parallel_group.hpp&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;array&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &lt;string_view&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="keyword">namespace </span>aedis::detail {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Conn, <span class="keyword">class</span> Adapter&gt;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">struct </span>exec_read_op {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> Conn* conn;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> Adapter adapter;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> std::size_t cmds = 0;</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> std::size_t read_size = 0;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> std::size_t index = 0;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> boost::asio::coroutine coro{};</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"> 40</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> Self&gt;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> operator()( Self&amp; self</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> , boost::system::error_code ec = {}</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> , std::size_t n = 0)</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> BOOST_ASIO_CORO_REENTER (coro)</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// Loop reading the responses to this request.</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> BOOST_ASSERT(!conn-&gt;reqs_.empty());</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">while</span> (cmds != 0) {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> BOOST_ASSERT(conn-&gt;cmds_ != 0);</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">//-----------------------------------</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// If we detect a push in the middle of a request we have</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// to hand it to the push consumer. To do that we need</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// some data in the read bufer.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">if</span> (conn-&gt;read_buffer_.empty()) {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> boost::asio::async_read_until(</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> conn-&gt;next_layer(),</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> conn-&gt;make_dynamic_buffer(),</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="stringliteral">&quot;\r\n&quot;</span>, std::move(self));</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> AEDIS_CHECK_OP1(conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>););</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> }</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// If the next request is a push we have to handle it to</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// the receive_op wait for it to be done and continue.</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span> (resp3::to_type(conn-&gt;read_buffer_.front()) == <a class="code hl_enumvalue" href="group__high-level-api.html#ggabdb6bdf6f96b4a7a91ed63d2324cef57a21a361d96e3e13f5f109748c2a9d2434">resp3::type::push</a>) {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> conn-&gt;guarded_op_.async_run(std::move(self));</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> AEDIS_CHECK_OP1(conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>););</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">//-----------------------------------</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_function" href="group__low-level-api.html#ga8a0d6c76b5faeeaa5ee5e2e4770cd181">resp3::async_read</a>(</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> conn-&gt;next_layer(),</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> conn-&gt;make_dynamic_buffer(adapter.get_max_read_size(index)),</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> [i = index, adpt = adapter] (<a class="code hl_struct" href="structaedis_1_1resp3_1_1node.html">resp3::node&lt;std::string_view&gt;</a> <span class="keyword">const</span>&amp; nd, boost::system::error_code&amp; ec) <span class="keyword">mutable</span> { adpt(i, nd, ec); },</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> std::move(self));</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> ++index;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> AEDIS_CHECK_OP1(conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>););</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> read_size += n;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> BOOST_ASSERT(cmds != 0);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> --cmds;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> BOOST_ASSERT(conn-&gt;cmds_ != 0);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> --conn-&gt;cmds_;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> self.complete({}, read_size);</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>};</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Conn, <span class="keyword">class</span> Adapter&gt;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span><span class="keyword">struct </span>exec_op {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">using </span>req_info_type = <span class="keyword">typename</span> Conn::req_info;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> Conn* conn = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <a class="code hl_class" href="classaedis_1_1resp3_1_1request.html">resp3::request</a> <span class="keyword">const</span>* req = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> Adapter adapter{};</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> std::shared_ptr&lt;req_info_type&gt; info = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> std::size_t read_size = 0;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> boost::asio::coroutine coro{};</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> Self&gt;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">void</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> operator()( Self&amp; self</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> , boost::system::error_code ec = {}</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> , std::size_t n = 0)</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> {</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> BOOST_ASIO_CORO_REENTER (coro)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// Check whether the user wants to wait for the connection to</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// be stablished.</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span> (req-&gt;<a class="code hl_function" href="classaedis_1_1resp3_1_1request.html#a202320ac3ef896036ec1048a87e9d06c">get_config</a>().cancel_if_not_connected &amp;&amp; !conn-&gt;is_open()) {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> self.complete(<a class="code hl_enumvalue" href="group__high-level-api.html#gga1833aa5e140bbaa9d319ecb1a71bd8baa69c2dbb5917ca550a862e9c1c839bca1">error::not_connected</a>, 0);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> }</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> info = std::allocate_shared&lt;req_info_type&gt;(boost::asio::get_associated_allocator(self), *req, conn-&gt;get_executor());</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> conn-&gt;add_request_info(info);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span>EXEC_OP_WAIT:</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> info-&gt;async_wait(std::move(self));</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> BOOST_ASSERT(ec == boost::asio::error::operation_aborted);</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">if</span> (info-&gt;stop_requested()) {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// Don&#39;t have to call remove_request as it has already</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// been by cancel(exec).</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">return</span> self.complete(ec, 0);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> }</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (is_cancelled(self)) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">if</span> (info-&gt;is_written()) {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">using </span>c_t = boost::asio::cancellation_type;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">auto</span> <span class="keyword">const</span> c = self.get_cancellation_state().cancelled();</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">if</span> ((c &amp; c_t::terminal) != c_t::none) {</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// Cancellation requires closing the connection</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="comment">// otherwise it stays in inconsistent state.</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>);</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordflow">return</span> self.complete(ec, 0);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// Can&#39;t implement other cancelation types, ignoring.</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> self.get_cancellation_state().clear();</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">goto</span> EXEC_OP_WAIT;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// Cancelation can be honored.</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> conn-&gt;remove_request(info);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> self.complete(ec, 0);</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> }</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> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> BOOST_ASSERT(conn-&gt;is_open());</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">if</span> (req-&gt;size() == 0) {</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// Don&#39;t have to call remove_request as it has already</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// been removed.</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">return</span> self.complete({}, 0);</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> BOOST_ASSERT(!conn-&gt;reqs_.empty());</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> BOOST_ASSERT(conn-&gt;reqs_.front() != <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> BOOST_ASSERT(conn-&gt;cmds_ != 0);</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> conn-&gt;async_exec_read(adapter, conn-&gt;reqs_.front()-&gt;get_number_of_commands(), std::move(self));</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> AEDIS_CHECK_OP1(;);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> read_size = n;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> BOOST_ASSERT(!conn-&gt;reqs_.empty());</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> conn-&gt;reqs_.pop_front();</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">if</span> (conn-&gt;cmds_ == 0) {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> conn-&gt;read_timer_.cancel_one();</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordflow">if</span> (!conn-&gt;reqs_.empty())</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> conn-&gt;writer_timer_.cancel_one();</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> BOOST_ASSERT(!conn-&gt;reqs_.empty());</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> conn-&gt;reqs_.front()-&gt;proceed();</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> self.complete({}, read_size);</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> }</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> }</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span>};</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Conn&gt;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="keyword">struct </span>run_op {</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> Conn* conn = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> boost::asio::coroutine coro{};</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> Self&gt;</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordtype">void</span> operator()( Self&amp; self</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> , std::array&lt;std::size_t, 2&gt; order = {}</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> , boost::system::error_code ec0 = {}</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> , boost::system::error_code ec1 = {})</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> BOOST_ASIO_CORO_REENTER (coro)</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> conn-&gt;write_buffer_.clear();</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> conn-&gt;cmds_ = 0;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> boost::asio::experimental::make_parallel_group(</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> [<span class="keyword">this</span>](<span class="keyword">auto</span> token) { <span class="keywordflow">return</span> conn-&gt;reader(token);},</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> [<span class="keyword">this</span>](<span class="keyword">auto</span> token) { <span class="keywordflow">return</span> conn-&gt;writer(token);}</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> ).async_wait(</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> boost::asio::experimental::wait_for_one(),</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> std::move(self));</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">if</span> (is_cancelled(self)) {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> self.complete(boost::asio::error::operation_aborted);</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</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> <span class="keywordflow">switch</span> (order[0]) {</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">case</span> 0: self.complete(ec0); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">case</span> 1: self.complete(ec1); <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">default</span>: BOOST_ASSERT(<span class="keyword">false</span>);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> }</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> }</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>};</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Conn&gt;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span><span class="keyword">struct </span>writer_op {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> Conn* conn;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> boost::asio::coroutine coro{};</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> Self&gt;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordtype">void</span> operator()( Self&amp; self</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> , boost::system::error_code ec = {}</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> , std::size_t n = 0)</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> boost::ignore_unused(n);</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> BOOST_ASIO_CORO_REENTER (coro) <span class="keywordflow">for</span> (;;)</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> {</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">while</span> (!conn-&gt;reqs_.empty() &amp;&amp; conn-&gt;cmds_ == 0 &amp;&amp; conn-&gt;write_buffer_.empty()) {</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> conn-&gt;coalesce_requests();</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_function" href="group__low-level-api.html#ga54dda2974f233dd25a2eaf20ce9b5385">boost::asio::async_write</a>(conn-&gt;next_layer(), boost::asio::buffer(conn-&gt;write_buffer_), std::move(self));</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> AEDIS_CHECK_OP0(conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>););</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> conn-&gt;on_write();</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="comment">// A socket.close() may have been called while a</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// successful write might had already been queued, so we</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <span class="comment">// have to check here before proceeding.</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (!conn-&gt;is_open()) {</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> self.complete({});</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> }</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> }</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> conn-&gt;writer_timer_.async_wait(std::move(self));</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">if</span> (!conn-&gt;is_open() || is_cancelled(self)) {</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// Notice this is not an error of the op, stoping was</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="comment">// requested from the outside, so we complete with</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="comment">// success.</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> self.complete({});</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> }</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> }</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span>};</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Conn&gt;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span><span class="keyword">struct </span>reader_op {</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> Conn* conn;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> boost::asio::coroutine coro{};</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> Self&gt;</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keywordtype">void</span> operator()( Self&amp; self</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> , boost::system::error_code ec = {}</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> , std::size_t n = 0)</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> {</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> boost::ignore_unused(n);</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> BOOST_ASIO_CORO_REENTER (coro) <span class="keywordflow">for</span> (;;)</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> {</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> boost::asio::async_read_until(</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> conn-&gt;next_layer(),</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> conn-&gt;make_dynamic_buffer(),</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="stringliteral">&quot;\r\n&quot;</span>, std::move(self));</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">if</span> (ec == boost::asio::error::eof) {</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>);</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">return</span> self.complete({}); <span class="comment">// EOFINAE: EOF is not an error.</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> }</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> </div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> AEDIS_CHECK_OP0(conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>););</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> </div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="comment">// We handle unsolicited events in the following way</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="comment">//</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="comment">// 1. Its resp3 type is a push.</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">//</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// 2. A non-push type is received with an empty requests</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="comment">// queue. I have noticed this is possible (e.g. -MISCONF).</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="comment">// I expect them to have type push so we can distinguish</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="comment">// them from responses to commands, but it is a</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="comment">// simple-error. If we are lucky enough to receive them</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="comment">// when the command queue is empty we can treat them as</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="comment">// server pushes, otherwise it is impossible to handle</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="comment">// them properly</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="comment">//</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// 3. The request does not expect any response but we got</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="comment">// one. This may happen if for example, subscribe with</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="comment">// wrong syntax.</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="comment">//</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> BOOST_ASSERT(!conn-&gt;read_buffer_.empty());</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">if</span> (resp3::to_type(conn-&gt;read_buffer_.front()) == <a class="code hl_enumvalue" href="group__high-level-api.html#ggabdb6bdf6f96b4a7a91ed63d2324cef57a21a361d96e3e13f5f109748c2a9d2434">resp3::type::push</a></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> || conn-&gt;reqs_.empty()</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> || (!conn-&gt;reqs_.empty() &amp;&amp; conn-&gt;reqs_.front()-&gt;get_number_of_commands() == 0)) {</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> conn-&gt;guarded_op_.async_run(std::move(self));</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> BOOST_ASSERT(conn-&gt;cmds_ != 0);</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> BOOST_ASSERT(!conn-&gt;reqs_.empty());</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> BOOST_ASSERT(conn-&gt;reqs_.front()-&gt;get_number_of_commands() != 0);</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> conn-&gt;reqs_.front()-&gt;proceed();</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> BOOST_ASIO_CORO_YIELD</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> conn-&gt;read_timer_.async_wait(std::move(self));</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> ec = {};</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> }</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> </div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordflow">if</span> (!conn-&gt;is_open() || ec || is_cancelled(self)) {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> conn-&gt;cancel(<a class="code hl_enumvalue" href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">operation::run</a>);</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> self.complete(boost::asio::error::basic_errors::operation_aborted);</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> }</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> }</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> }</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span>};</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> </div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span>} <span class="comment">// aedis::detail</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span><span class="preprocessor">#endif </span><span class="comment">// AEDIS_CONNECTION_OPS_HPP</span></div>
<div class="ttc" id="aclassaedis_1_1resp3_1_1request_html"><div class="ttname"><a href="classaedis_1_1resp3_1_1request.html">aedis::resp3::request</a></div><div class="ttdoc">Creates Redis requests.</div><div class="ttdef"><b>Definition:</b> <a href="request_8hpp_source.html#l00169">request.hpp:169</a></div></div>
<div class="ttc" id="aclassaedis_1_1resp3_1_1request_html_a202320ac3ef896036ec1048a87e9d06c"><div class="ttname"><a href="classaedis_1_1resp3_1_1request.html#a202320ac3ef896036ec1048a87e9d06c">aedis::resp3::request::get_config</a></div><div class="ttdeci">auto get_config() const noexcept -&gt; auto const &amp;</div><div class="ttdoc">Returns a const reference to the config object.</div><div class="ttdef"><b>Definition:</b> <a href="request_8hpp_source.html#l00240">request.hpp:240</a></div></div>
<div class="ttc" id="agroup__high-level-api_html_gga1833aa5e140bbaa9d319ecb1a71bd8baa69c2dbb5917ca550a862e9c1c839bca1"><div class="ttname"><a href="group__high-level-api.html#gga1833aa5e140bbaa9d319ecb1a71bd8baa69c2dbb5917ca550a862e9c1c839bca1">aedis::error::not_connected</a></div><div class="ttdeci">@ not_connected</div><div class="ttdoc">There is no stablished connection.</div></div>
<div class="ttc" id="agroup__high-level-api_html_ggabdb6bdf6f96b4a7a91ed63d2324cef57a21a361d96e3e13f5f109748c2a9d2434"><div class="ttname"><a href="group__high-level-api.html#ggabdb6bdf6f96b4a7a91ed63d2324cef57a21a361d96e3e13f5f109748c2a9d2434">aedis::resp3::type::push</a></div><div class="ttdeci">@ push</div><div class="ttdoc">Aaggregate.</div></div>
<div class="ttc" id="agroup__high-level-api_html_ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6"><div class="ttname"><a href="group__high-level-api.html#ggadcfe42e0996c05d14fe5f8bacce384bcaa53108f7543b75adbb34afc035d4cdf6">aedis::operation::run</a></div><div class="ttdeci">@ run</div><div class="ttdoc">Refers to connection::async_run operations.</div></div>
<div class="ttc" id="agroup__low-level-api_html_ga54dda2974f233dd25a2eaf20ce9b5385"><div class="ttname"><a href="group__low-level-api.html#ga54dda2974f233dd25a2eaf20ce9b5385">aedis::resp3::async_write</a></div><div class="ttdeci">auto async_write(AsyncWriteStream &amp;stream, Request const &amp;req, CompletionToken &amp;&amp;token=boost::asio::default_completion_token_t&lt; typename AsyncWriteStream::executor_type &gt;{})</div><div class="ttdoc">Writes a request asynchronously.</div><div class="ttdef"><b>Definition:</b> <a href="write_8hpp_source.html#l00053">write.hpp:53</a></div></div>
<div class="ttc" id="agroup__low-level-api_html_ga8a0d6c76b5faeeaa5ee5e2e4770cd181"><div class="ttname"><a href="group__low-level-api.html#ga8a0d6c76b5faeeaa5ee5e2e4770cd181">aedis::resp3::async_read</a></div><div class="ttdeci">auto async_read(AsyncReadStream &amp;stream, DynamicBuffer buffer, ResponseAdapter adapter=ResponseAdapter{}, CompletionToken &amp;&amp;token=boost::asio::default_completion_token_t&lt; typename AsyncReadStream::executor_type &gt;{})</div><div class="ttdoc">Reads a complete response to a Redis command asynchronously.</div><div class="ttdef"><b>Definition:</b> <a href="read_8hpp_source.html#l00169">read.hpp:169</a></div></div>
<div class="ttc" id="astructaedis_1_1resp3_1_1node_html"><div class="ttname"><a href="structaedis_1_1resp3_1_1node.html">aedis::resp3::node</a></div><div class="ttdoc">A node in the response tree.</div><div class="ttdef"><b>Definition:</b> <a href="node_8hpp_source.html#l00046">node.hpp:46</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_fc21780ef7622f597daa202227f08e20.html">aedis</a></li><li class="navelem"><a class="el" href="dir_fc85455f487539f903afbbf854185fa3.html">detail</a></li><li class="navelem"><b>connection_ops.hpp</b></li>
<li class="footer">Generated on Sat Jan 14 2023 18:40:26 for Aedis by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.4 </li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink