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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_d7c39fc6a58949d9b8efa0ea0aabeed8.html">core</a></li> </ul>
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<div class="title">Pg.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2020 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a 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>
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<div class="line"><a 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>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a 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>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a 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>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifdef RIPPLED_REPORTING</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef RIPPLE_CORE_PG_H_INCLUDED</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define RIPPLE_CORE_PG_H_INCLUDED</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <ripple/basics/BasicConfig.h></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <ripple/basics/Log.h></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <ripple/protocol/Protocol.h></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <boost/lexical_cast.hpp></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/atomic.html">atomic</a>></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a>></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/condition_variable.html">condition_variable</a>></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/functional.html">functional</a>></span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <libpq-fe.h></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/memory.html">memory</a>></span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/mutex.html">mutex</a>></span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>></span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/string.html">string</a>></span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a>></span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a>></span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// These postgres structs must be freed only by the postgres API.</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">using</span> pg_result_type = <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a><PGresult, void (*)(PGresult*)>;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">using</span> pg_connection_type = <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a><PGconn, void (*)(PGconn*)>;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">using</span> pg_params =</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair<char const*, std::vector<std::optional<std::string></a>>>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">using</span> pg_formatted_params = <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<char const*></a>;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">struct </span>PgConfig</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> max_connections{<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/numeric_limits/max.html">std::numeric_limits<std::size_t>::max</a>()};</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a> timeout{600};</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<char const*></a> keywordsIdx;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::string></a> keywords;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<char const*></a> valuesIdx;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::string></a> values;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> };</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">class </span>PgResult</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// The result object must be freed using the libpq API PQclear() call.</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  pg_result_type result_{<span class="keyword">nullptr</span>, [](PGresult* result) { PQclear(result); }};</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::pair<ExecStatusType, std::string></a>> error_;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  PgResult()</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">explicit</span> PgResult(pg_result_type&& result) : result_(<a class="code" href="namespacestd.html">std</a>::move(result))</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  PgResult(PGresult* result, PGconn* conn)</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  : error_({PQresultStatus(result), PQerrorMessage(conn)})</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">char</span> <span class="keyword">const</span>*</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  c_str(<span class="keywordtype">int</span> ntuple = 0, <span class="keywordtype">int</span> nfield = 0)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> PQgetvalue(result_.get(), ntuple, nfield);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int32_t</a></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  asInt(<span class="keywordtype">int</span> ntuple = 0, <span class="keywordtype">int</span> nfield = 0)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> boost::lexical_cast<std::int32_t>(</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  PQgetvalue(result_.get(), ntuple, nfield));</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::int64_t</a></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  asBigInt(<span class="keywordtype">int</span> ntuple = 0, <span class="keywordtype">int</span> nfield = 0)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> boost::lexical_cast<std::int64_t>(</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  PQgetvalue(result_.get(), ntuple, nfield));</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  isNull(<span class="keywordtype">int</span> ntuple = 0, <span class="keywordtype">int</span> nfield = 0)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> PQgetisnull(result_.get(), ntuple, nfield);</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">operator</span> bool()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> result_ != <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  msg() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordtype">int</span></div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  ntuples()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span> PQntuples(result_.get());</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">int</span></div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  nfields()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> PQnfields(result_.get());</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  </div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  ExecStatusType</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/experimental/fs/status.html">status</a>()<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> PQresultStatus(result_.get());</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
|
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> };</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment">/* Class that contains and operates upon a postgres connection. */</span></div>
|
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="keyword">class </span>Pg</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> {</div>
|
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keyword">friend</span> <span class="keyword">class </span>PgPool;</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">friend</span> <span class="keyword">class </span>PgQuery;</div>
|
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
|
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  PgConfig <span class="keyword">const</span>& config_;</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span> j_;</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">bool</span>& stop_;</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/mutex.html">std::mutex</a>& mutex_;</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// The connection object must be freed using the libpq API PQfinish() call.</span></div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  pg_connection_type conn_{<span class="keyword">nullptr</span>, [](PGconn* conn) { PQfinish(conn); }};</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
|
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordtype">bool</span></div>
|
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  clear();</div>
|
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
|
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  connect();</div>
|
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
|
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordtype">void</span></div>
|
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  disconnect()</div>
|
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  {</div>
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|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  conn_.reset();</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
|
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  PgResult</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  query(<span class="keywordtype">char</span> <span class="keyword">const</span>* command, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> nParams, <span class="keywordtype">char</span> <span class="keyword">const</span>* <span class="keyword">const</span>* values);</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
|
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  PgResult</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  query(<span class="keywordtype">char</span> <span class="keyword">const</span>* command)</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  {</div>
|
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">return</span> query(command, 0, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  PgResult</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  query(pg_params <span class="keyword">const</span>& dbParams);</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  </div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  bulkInsert(<span class="keywordtype">char</span> <span class="keyword">const</span>* table, <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>& records);</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  Pg(PgConfig <span class="keyword">const</span>& config,</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span> j,</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">bool</span>& stop,</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/mutex.html">std::mutex</a>& mutex)</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  : config_(config), j_(j), stop_(stop), mutex_(mutex)</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  {</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> };</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  </div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">class </span>PgPool</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> {</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">friend</span> <span class="keyword">class </span>PgQuery;</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  </div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keyword">using</span> <a class="code" href="namespaceripple_1_1PeerFinder.html#af4627ce974986eba7f69f7c89666d3fa">clock_type</a> = <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/steady_clock.html">std::chrono::steady_clock</a>;</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  PgConfig config_;</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span> j_;</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/mutex.html">std::mutex</a> mutex_;</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/condition_variable.html">std::condition_variable</a> cond_;</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> connections_{};</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordtype">bool</span> stop_{<span class="keyword">false</span>};</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/multimap.html">std::multimap<std::chrono::time_point<clock_type></a>, <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Pg></a>></div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  idle_;</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  </div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Pg></a></div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  checkout();</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  </div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  checkin(<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Pg></a>& pg);</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  </div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  PgPool(Section <span class="keyword">const</span>& pgConfig, <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> j);</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  setup();</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  </div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  stop();</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  </div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  idleSweeper();</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> };</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  </div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="keyword">class </span>PgQuery</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> {</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<PgPool></a> pool_;</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<Pg></a> pg_;</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  </div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  PgQuery() = <span class="keyword">delete</span>;</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  </div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  PgQuery(<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<PgPool></a> <span class="keyword">const</span>& pool)</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  : pool_(pool), pg_(pool->checkout())</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  {</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  </div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  ~PgQuery()</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  {</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  pool_->checkin(pg_);</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  </div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  PgResult</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  operator()(pg_params <span class="keyword">const</span>& dbParams)</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  {</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">if</span> (!pg_) <span class="comment">// It means we're stopping. Return empty result.</span></div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">return</span> PgResult();</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">return</span> pg_->query(dbParams);</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  }</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  </div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  PgResult</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  operator()(<span class="keywordtype">char</span> <span class="keyword">const</span>* command)</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  {</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">return</span> operator()(pg_params{command, {}});</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  }</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  </div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  bulkInsert(<span class="keywordtype">char</span> <span class="keyword">const</span>* table, <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>& records)</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  {</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  pg_->bulkInsert(table, records);</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  }</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> };</div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  </div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment">//-----------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  </div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<PgPool></a></div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> make_PgPool(Section <span class="keyword">const</span>& pgConfig, <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> j);</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  </div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> initSchema(<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<PgPool></a> <span class="keyword">const</span>& pool);</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  </div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> } <span class="comment">// namespace ripple</span></div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  </div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> <span class="preprocessor">#endif // RIPPLE_CORE_PG_H_INCLUDED</span></div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="preprocessor">#endif // RIPPLED_REPORTING</span></div>
|
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</div><!-- fragment --></div><!-- contents -->
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