mirror of
https://github.com/boostorg/redis.git
synced 2026-01-24 18:22:09 +00:00
215 lines
22 KiB
HTML
215 lines
22 KiB
HTML
<!-- HTML header for doxygen 1.8.14-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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=9"/>
|
|
<meta name="generator" content="Doxygen 1.9.1"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>Aedis: examples/echo_server.cpp 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="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/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(document).ready(function() { init_search(); });
|
|
/* @license-end */
|
|
</script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="aedis.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 bgcolor="#346295" cellspacing="0" cellpadding="6">
|
|
<tbody>
|
|
<tr>
|
|
<td valign="middle" style="color: #FFFFFF" nowrap="nowrap"><font size="6">Aedis 0.0.1</font>   <br> Low level Redis client library </td>
|
|
<td style="width:100%"> <div id="MSearchBox" class="MSearchBoxInactive">
|
|
<span class="left">
|
|
<img id="MSearchSelect" src="search/mag_sel.svg"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
alt=""/>
|
|
<input type="text" id="MSearchField" value="Search" accesskey="S"
|
|
onfocus="searchBox.OnSearchFieldFocus(true)"
|
|
onblur="searchBox.OnSearchFieldFocus(false)"
|
|
onkeyup="searchBox.OnSearchFieldChange(event)"/>
|
|
</span><span class="right">
|
|
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.svg" alt=""/></a>
|
|
</span>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.9.1 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
|
|
/* @license-end */
|
|
</script>
|
|
<!-- 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 id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_d28a4824dc47e487b107a5db32ef43c4.html">examples</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">echo_server.cpp</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Copyright (c) 2019 Marcelo Zimbres Silva (mzimbres@gmail.com)</span></div>
|
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * This Source Code Form is subject to the terms of the Mozilla Public</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * License, v. 2.0. If a copy of the MPL was not distributed with this</span></div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * file, You can obtain one at https://mozilla.org/MPL/2.0/.</span></div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  </div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <iostream></span></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <queue></span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <vector></span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <aedis/aedis.hpp></span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <aedis/src.hpp></span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  </div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "lib/user_session.hpp"</span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "lib/net_utils.hpp"</span></div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>net = aedis::net;</div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">using</span> <a class="code" href="group__any.html#ga9661fea349313723a8ec955975184c0c">aedis::redis::command</a>;</div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> aedis::user_session;</div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">using</span> aedis::user_session_base;</div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">using</span> <a class="code" href="group__any.html#structaedis_1_1resp3_1_1node">aedis::resp3::node</a>;</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> <a class="code" href="group__any.html#ga0848acf8060ffedf036a5ad8d46a0a74">aedis::resp3::adapt</a>;</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using</span> <a class="code" href="classaedis_1_1resp3_1_1experimental_1_1client.html">aedis::resp3::experimental::client</a>;</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">using</span> <a class="code" href="group__any.html#gabdb6bdf6f96b4a7a91ed63d2324cef57">aedis::resp3::type</a>;</div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">class </span>receiver : <span class="keyword">public</span> std::enable_shared_from_this<receiver> {</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  std::vector<node> resps_;</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  std::queue<std::weak_ptr<user_session_base>> sessions_;</div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordtype">void</span> on_message(std::error_code ec, <a class="code" href="group__any.html#ga9661fea349313723a8ec955975184c0c">command</a> cmd)</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (ec) {</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  std::cerr << <span class="stringliteral">"Error: "</span> << ec.message() << std::endl;</div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">switch</span> (cmd) {</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">case</span> command::ping:</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> session = sessions_.front().lock()) {</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  session->deliver(resps_.front().data);</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  std::cout << <span class="stringliteral">"Session expired."</span> << std::endl;</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  sessions_.pop();</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  } <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">case</span> command::incr:</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::cout << <span class="stringliteral">"Echos so far: "</span> << resps_.front().data << std::endl;</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  } <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">default</span>: { <span class="comment">/* Ignore */</span>; }</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  resps_.clear();</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">auto</span> get_extended_adapter()</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> [adapter = <a class="code" href="group__any.html#ga0848acf8060ffedf036a5ad8d46a0a74">adapt</a>(resps_)](<a class="code" href="group__any.html#ga9661fea349313723a8ec955975184c0c">command</a>, <a class="code" href="group__any.html#gabdb6bdf6f96b4a7a91ed63d2324cef57">type</a> t, std::size_t aggregate_size, std::size_t depth, <span class="keywordtype">char</span> <span class="keyword">const</span>* data, std::size_t size, std::error_code& ec) <span class="keyword">mutable</span></div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  { <span class="keywordflow">return</span> adapter(t, aggregate_size, depth, data, size, ec); };</div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> add_user_session(std::shared_ptr<user_session_base> session)</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  { sessions_.push(session); }</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> };</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> net::awaitable<void> connection_manager(std::shared_ptr<client> db)</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> {</div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">try</span> {</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">auto</span> socket = co_await connect();</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  co_await db->engage(std::move(socket));</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  } <span class="keywordflow">catch</span> (std::exception <span class="keyword">const</span>& e) {</div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  std::cerr << <span class="stringliteral">"Error: "</span> << e.what() << std::endl;</div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> }</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> net::awaitable<void> listener()</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> {</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">auto</span> ex = co_await net::this_coro::executor;</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  net::ip::tcp::acceptor acceptor(ex, {net::ip::tcp::v4(), 55555});</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">auto</span> recv = std::make_shared<receiver>();</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">auto</span> on_db_msg = [recv](std::error_code ec, <a class="code" href="group__any.html#ga9661fea349313723a8ec955975184c0c">command</a> cmd)</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  { recv->on_message(ec, cmd); };</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">auto</span> db = std::make_shared<client>(ex);</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  db->set_extended_adapter(recv->get_extended_adapter());</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  db->set_msg_callback(on_db_msg);</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  net::co_spawn(ex, connection_manager(db), net::detached);</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">for</span> (;;) {</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">auto</span> socket = co_await acceptor.async_accept(net::use_awaitable);</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">auto</span> session = std::make_shared<user_session>(std::move(socket));</div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">auto</span> on_user_msg = [db, recv, session](std::string <span class="keyword">const</span>& msg)</div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  db->send(command::ping, msg);</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  db->send(command::incr, <span class="stringliteral">"echo-counter"</span>);</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  recv->add_user_session(session);</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  };</div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  session->start(on_user_msg);</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">int</span> main()</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> {</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">try</span> {</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  net::io_context ioc{1};</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  net::signal_set signals(ioc, SIGINT, SIGTERM);</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  signals.async_wait([&](<span class="keyword">auto</span>, <span class="keyword">auto</span>){ ioc.stop(); });</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  co_spawn(ioc, listener(), net::detached);</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  ioc.run();</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  } <span class="keywordflow">catch</span> (std::exception <span class="keyword">const</span>& e) {</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  std::cerr << e.what() << std::endl;</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</div>
|
|
<div class="ttc" id="aclassaedis_1_1resp3_1_1experimental_1_1client_html"><div class="ttname"><a href="classaedis_1_1resp3_1_1experimental_1_1client.html">aedis::resp3::experimental::client</a></div><div class="ttdoc">A high level redis client.</div><div class="ttdef"><b>Definition:</b> <a href="client_8hpp_source.html#l00031">client.hpp:31</a></div></div>
|
|
<div class="ttc" id="agroup__any_html_ga0848acf8060ffedf036a5ad8d46a0a74"><div class="ttname"><a href="group__any.html#ga0848acf8060ffedf036a5ad8d46a0a74">aedis::resp3::adapt</a></div><div class="ttdeci">auto adapt() noexcept</div><div class="ttdoc">Creates a void response adapter.</div><div class="ttdef"><b>Definition:</b> <a href="adapt_8hpp_source.html#l00029">adapt.hpp:29</a></div></div>
|
|
<div class="ttc" id="agroup__any_html_ga9661fea349313723a8ec955975184c0c"><div class="ttname"><a href="group__any.html#ga9661fea349313723a8ec955975184c0c">aedis::redis::command</a></div><div class="ttdeci">command</div><div class="ttdoc">Redis commands.</div><div class="ttdef"><b>Definition:</b> <a href="redis_2command_8hpp_source.html#l00026">command.hpp:26</a></div></div>
|
|
<div class="ttc" id="agroup__any_html_gabdb6bdf6f96b4a7a91ed63d2324cef57"><div class="ttname"><a href="group__any.html#gabdb6bdf6f96b4a7a91ed63d2324cef57">aedis::resp3::type</a></div><div class="ttdeci">type</div><div class="ttdoc">RESP3 types.</div><div class="ttdef"><b>Definition:</b> <a href="type_8hpp_source.html#l00022">type.hpp:23</a></div></div>
|
|
<div class="ttc" id="agroup__any_html_structaedis_1_1resp3_1_1node"><div class="ttname"><a href="group__any.html#structaedis_1_1resp3_1_1node">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#l00024">node.hpp:24</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- HTML footer for doxygen 1.8.14-->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer">
|
|
Author: Marcelo Zimbres Silva.
|
|
</address>
|
|
</body>
|
|
</html>
|