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<li class="navelem"><a class="el" href="dir_90ffdbabf412cfdffe6b2193e0ce938a.html">libxrpl</a></li><li class="navelem"><a class="el" href="dir_a59c1a58e5e6f521a28fe23865b09e68.html">nodestore</a></li> </ul>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpl/basics/chrono.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;xrpl/beast/core/CurrentThreadName.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpl/json/json_value.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/nodestore/Database.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpl/protocol/HashPrefix.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;xrpl/protocol/jss.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a>&gt;</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="keyword">namespace </span><a class="code hl_namespace" href="namespacexrpl.html">xrpl</a> {</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="keyword">namespace </span>NodeStore {</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="foldopen" id="foldopen00013" data-start="{" data-end="}">
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#a66b8e997e93397e9ec0515329f5d1ce8"> 13</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a45d4e7fa2339eae899dac6132f79dfa8">Database::Database</a>(</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> <a class="code hl_class" href="classxrpl_1_1NodeStore_1_1Scheduler.html">Scheduler</a>&amp; scheduler,</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="keywordtype">int</span> readThreads,</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <a class="code hl_class" href="classxrpl_1_1Section.html">Section</a> <span class="keyword">const</span>&amp; config,</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> journal)</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> : j_(journal)</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> , scheduler_(scheduler)</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> , earliestLedgerSeq_(</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <a class="code hl_function" href="namespacexrpl.html#a35eb8e7a63de05fb4478c7faa7bdc70b">get</a>&lt;<a class="code hl_namespace" href="namespacestd.html">std</a>::uint32_t&gt;(config, <span class="stringliteral">&quot;earliest_seq&quot;</span>, <a class="code hl_variable" href="namespacexrpl.html#adbdbf906239fe40821419cda12a76d91">XRP_LEDGER_EARLIEST_SEQ</a>))</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> , requestBundle_(<a class="code hl_function" href="namespacexrpl.html#a35eb8e7a63de05fb4478c7faa7bdc70b">get</a>&lt;int&gt;(config, <span class="stringliteral">&quot;rq_bundle&quot;</span>, 4))</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> , readThreads_(<a class="code hl_namespace" href="namespacestd.html">std</a>::max(1, readThreads))</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> XRPL_ASSERT(</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> readThreads,</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="stringliteral">&quot;xrpl::NodeStore::Database::Database : nonzero threads input&quot;</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="keywordflow">if</span> (<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a9e377e9f5b7f132a28b1154f9df8e18b">earliestLedgerSeq_</a> &lt; 1)</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;Invalid earliest_seq&quot;</span>);</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">if</span> (requestBundle_ &lt; 1 || requestBundle_ &gt; 64)</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;Invalid rq_bundle&quot;</span>);</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a38d84907a30540bca6e1ed9b4270677d">readThreads_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>(); i != 0; --i)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/thread.html">std::thread</a> t(</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> [<span class="keyword">this</span>](<span class="keywordtype">int</span> i) {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a4536330a646be9055759565dc4b79d46">runningThreads_</a>++;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <a class="code hl_function" href="namespacebeast.html#ab3bd70e6eb43bbd99b5fe518efce8c7e">beast::setCurrentThreadName</a>(</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="stringliteral">&quot;db prefetch #&quot;</span> + <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(i));</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">decltype</span>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>) <a class="code hl_function" href="namespacexrpl_1_1NodeStore.html#a1c218373fdd3c05b46469afc8f76c1dc">read</a>;</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> <span class="keywordflow">while</span> (<span class="keyword">true</span>)</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> {</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/unique_lock.html">std::unique_lock&lt;std::mutex&gt;</a> lock(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a50607c8e37d1e4da9cc630af42a35020">readLock_</a>);</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a1b049d3e2d7d31e06435815a0525c31d">isStopping</a>())</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>.empty())</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a4536330a646be9055759565dc4b79d46">runningThreads_</a>--;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a285ba622231e2b4103cae09de16d2870">readCondVar_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/thread/condition_variable/wait.html">wait</a>(lock);</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a4536330a646be9055759565dc4b79d46">runningThreads_</a>++;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> }</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a1b049d3e2d7d31e06435815a0525c31d">isStopping</a>())</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// extract multiple object at a time to minimize the</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// overhead of acquiring the mutex.</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> cnt = 0;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> !<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>.empty() &amp;&amp; cnt != <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#ac8cfbf7d84ac217a815dffab2bd818ad">requestBundle_</a>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> ++cnt)</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_function" href="namespacexrpl_1_1NodeStore.html#a1c218373fdd3c05b46469afc8f76c1dc">read</a>.insert(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>.extract(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>.begin()));</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = <a class="code hl_function" href="namespacexrpl_1_1NodeStore.html#a1c218373fdd3c05b46469afc8f76c1dc">read</a>.begin(); it != <a class="code hl_function" href="namespacexrpl_1_1NodeStore.html#a1c218373fdd3c05b46469afc8f76c1dc">read</a>.end(); ++it)</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> XRPL_ASSERT(</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> !it-&gt;second.empty(),</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="stringliteral">&quot;xrpl::NodeStore::Database::Database : non-empty &quot;</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="stringliteral">&quot;data&quot;</span>);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; hash = it-&gt;first;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; data = it-&gt;second;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">auto</span> <span class="keyword">const</span> seqn = data[0].first;</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> <span class="keyword">auto</span> obj =</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#ab1c70e66ae4af42db2665020e58d746f">fetchNodeObject</a>(hash, seqn, <a class="code hl_enumvalue" href="namespacexrpl_1_1NodeStore.html#a4abeb46fdf43e4f80398fc27751f220aa0df93e34273b367bb63bad28c94c78d5">FetchType::async</a>);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// This could be further optimized: if there are</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// multiple requests for sequence numbers mapping to</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// multiple databases by sorting requests such that all</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// indices mapping to the same database are grouped</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// together and serviced by a single read.</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; req : data)</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> req.second(</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> (seqn == req.first) || <a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a810fe3f01ba81b15b21e37ed9b3f317c">isSameDB</a>(req.first, seqn)</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> ? obj</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> : <a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#ab1c70e66ae4af42db2665020e58d746f">fetchNodeObject</a>(</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> hash, req.first, <a class="code hl_enumvalue" href="namespacexrpl_1_1NodeStore.html#a4abeb46fdf43e4f80398fc27751f220aa0df93e34273b367bb63bad28c94c78d5">FetchType::async</a>));</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> <a class="code hl_function" href="namespacexrpl_1_1NodeStore.html#a1c218373fdd3c05b46469afc8f76c1dc">read</a>.clear();</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> --<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a4536330a646be9055759565dc4b79d46">runningThreads_</a>;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> --<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a38d84907a30540bca6e1ed9b4270677d">readThreads_</a>;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> },</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> i);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> t.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/thread/thread/detach.html">detach</a>();</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span>}</div>
</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="foldopen" id="foldopen00112" data-start="{" data-end="}">
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#a8549eca2abe3cd2cf6a8cf65558276be"> 112</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a8549eca2abe3cd2cf6a8cf65558276be">Database::~Database</a>()</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span>{</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// NOTE!</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// Any derived class should call the stop() method in its</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// destructor. Otherwise, occasionally, the derived class may</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// crash during shutdown when its members are accessed by one of</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// these threads after the derived class is destroyed but before</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// this base class is destroyed.</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a1de37e4294b711489917a9264ff48468">stop</a>();</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span>}</div>
</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00124" data-start="{" data-end="}">
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#a1b049d3e2d7d31e06435815a0525c31d"> 124</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a1b049d3e2d7d31e06435815a0525c31d">Database::isStopping</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a6b2f88bb9853a86e65df2a43f13295f3">readStopping_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>(<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::memory_order_relaxed</a>);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span>}</div>
</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00130" data-start="{" data-end="}">
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#a1de37e4294b711489917a9264ff48468"> 130</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a1de37e4294b711489917a9264ff48468">Database::stop</a>()</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span>{</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> {</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a50607c8e37d1e4da9cc630af42a35020">readLock_</a>);</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a6b2f88bb9853a86e65df2a43f13295f3">readStopping_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/exchange.html">exchange</a>(<span class="keyword">true</span>, <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::memory_order_relaxed</a>))</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> JLOG(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a51a71f2e714bad4a321a4567cec1c785">j_</a>.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;Clearing read queue because of stop request&quot;</span>;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>.clear();</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a285ba622231e2b4103cae09de16d2870">readCondVar_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/thread/condition_variable/notify_all.html">notify_all</a>();</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> JLOG(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a51a71f2e714bad4a321a4567cec1c785">j_</a>.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;Waiting for stop request to complete...&quot;</span>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">using namespace </span><a class="code hl_namespaceRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">auto</span> <span class="keyword">const</span> start = steady_clock::now();</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a38d84907a30540bca6e1ed9b4270677d">readThreads_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>() != 0)</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> steady_clock::now() - start &lt; 30s,</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="stringliteral">&quot;xrpl::NodeStore::Database::stop : maximum stop duration&quot;</span>);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/thread/yield.html">std::this_thread::yield</a>();</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> JLOG(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a51a71f2e714bad4a321a4567cec1c785">j_</a>.<a class="code hl_function" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) &lt;&lt; <span class="stringliteral">&quot;Stop request completed in &quot;</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> &lt;&lt; duration_cast&lt;std::chrono::milliseconds&gt;(</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> steady_clock::now() - start)</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> .count()</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> &lt;&lt; <span class="stringliteral">&quot; millseconds&quot;</span>;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span>}</div>
</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00165" data-start="{" data-end="}">
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#a7104f8edd1132f71fcc37a5627283b64"> 165</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a7104f8edd1132f71fcc37a5627283b64">Database::asyncFetch</a>(</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/hash.html">hash</a>,</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> ledgerSeq,</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a>&lt;<span class="keywordtype">void</span>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;NodeObject&gt;</a> <span class="keyword">const</span>&amp;)&gt;&amp;&amp; cb)</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a50607c8e37d1e4da9cc630af42a35020">readLock_</a>);</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a1b049d3e2d7d31e06435815a0525c31d">isStopping</a>())</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> {</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>[<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/hash.html">hash</a>].emplace_back(ledgerSeq, std::move(cb));</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a285ba622231e2b4103cae09de16d2870">readCondVar_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/thread/condition_variable/notify_one.html">notify_one</a>();</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> }</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span>}</div>
</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><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00180" data-start="{" data-end="}">
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#affdf06b604e9f802daf761c907e3a92a"> 180</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#affdf06b604e9f802daf761c907e3a92a">Database::importInternal</a>(<a class="code hl_class" href="classxrpl_1_1NodeStore_1_1Backend.html">Backend</a>&amp; dstBackend, <a class="code hl_class" href="classxrpl_1_1NodeStore_1_1Database.html">Database</a>&amp; srcDB)</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">Batch</a> <a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(<a class="code hl_enumvalue" href="namespacexrpl_1_1NodeStore.html#a5057e348c39a1f5562157f764c3f5f06aa166a52987a2e4ea7521a98e753abb37">batchWritePreallocationSize</a>);</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">auto</span> storeBatch = [&amp;, fname = __func__]() {</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">try</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> {</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> dstBackend.<a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Backend.html#ae527fa046484dbc48064d61e9956664e">storeBatch</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> }</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">catch</span> (<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/error/exception.html">std::exception</a> <span class="keyword">const</span>&amp; e)</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> JLOG(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a51a71f2e714bad4a321a4567cec1c785">j_</a>.<a class="code hl_function" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>()) &lt;&lt; <span class="stringliteral">&quot;Exception caught in function &quot;</span> &lt;&lt; fname</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> &lt;&lt; <span class="stringliteral">&quot;. Error: &quot;</span> &lt;&lt; e.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/error/exception/what.html">what</a>();</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">return</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> sz{0};</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; nodeObject : <a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>)</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> sz += nodeObject-&gt;getData().size();</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a22a4de137cbecd91adac5bc6d98cc084">storeStats</a>(<a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>.size(), sz);</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>.clear();</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> };</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> srcDB.<a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#a55d18c81aa7262045ac4ff65faa7c079">for_each</a>([&amp;](<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;NodeObject&gt;</a> nodeObject) {</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> nodeObject,</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="stringliteral">&quot;xrpl::NodeStore::Database::importInternal : non-null node&quot;</span>);</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span> (!nodeObject) <span class="comment">// This should never happen</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>.emplace_back(std::move(nodeObject));</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">if</span> (<a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>.size() &gt;= <a class="code hl_enumvalue" href="namespacexrpl_1_1NodeStore.html#a5057e348c39a1f5562157f764c3f5f06aa166a52987a2e4ea7521a98e753abb37">batchWritePreallocationSize</a>)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> storeBatch();</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> });</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (!<a class="code hl_enumvalue" href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">batch</a>.empty())</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> storeBatch();</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span>}</div>
</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="comment">// Perform a fetch and report the time it took</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;NodeObject&gt;</a></div>
<div class="foldopen" id="foldopen00221" data-start="{" data-end="}">
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#ab1c70e66ae4af42db2665020e58d746f"> 221</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#ab1c70e66ae4af42db2665020e58d746f">Database::fetchNodeObject</a>(</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/hash.html">hash</a>,</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> ledgerSeq,</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <a class="code hl_enumeration" href="namespacexrpl_1_1NodeStore.html#a4abeb46fdf43e4f80398fc27751f220a">FetchType</a> fetchType,</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordtype">bool</span> duplicate)</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span>{</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <a class="code hl_struct" href="structxrpl_1_1NodeStore_1_1FetchReport.html">FetchReport</a> fetchReport(fetchType);</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keyword">using namespace </span><a class="code hl_namespaceRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keyword">auto</span> <span class="keyword">const</span> begin{steady_clock::now()};</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keyword">auto</span> nodeObject{<a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#ab1c70e66ae4af42db2665020e58d746f">fetchNodeObject</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/hash.html">hash</a>, ledgerSeq, fetchReport, duplicate)};</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keyword">auto</span> dur = steady_clock::now() - begin;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a80e8aead605504b16c725df3782f64bf">fetchDurationUs_</a> += duration_cast&lt;microseconds&gt;(dur).count();</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">if</span> (nodeObject)</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> ++<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#aa3787d596a1b0af5b5c4fa0fccf0817f">fetchHitCount_</a>;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#ae8b166eb63a36199a993da183912118b">fetchSz_</a> += nodeObject-&gt;getData().size();</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> }</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> ++<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a34ea1b9ed96f470623fc9e6ec8042ed7">fetchTotalCount_</a>;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> fetchReport.<a class="code hl_variable" href="structxrpl_1_1NodeStore_1_1FetchReport.html#a8ea306ea22ac7a3c47be113231c5a4d1">elapsed</a> = duration_cast&lt;milliseconds&gt;(dur);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a7629acbd2e65a6ba021e0179e3ebf467">scheduler_</a>.<a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Scheduler.html#aa62f5aa8fecd6b5623e4a924e41add6c">onFetch</a>(fetchReport);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span> nodeObject;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span>}</div>
</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00248" data-start="{" data-end="}">
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"><a class="line" href="classxrpl_1_1NodeStore_1_1Database.html#acbeacc2a25b1d1d03de39033dd060411"> 248</a></span><a class="code hl_function" href="classxrpl_1_1NodeStore_1_1Database.html#acbeacc2a25b1d1d03de39033dd060411">Database::getCountsJson</a>(<a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a>&amp; obj)</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span>{</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> obj.<a class="code hl_function" href="classJson_1_1Value.html#a8cf96c0f2a552051fcfc78ffee60e037">isObject</a>(),</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="stringliteral">&quot;xrpl::NodeStore::Database::getCountsJson : valid input type&quot;</span>);</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> {</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/unique_lock.html">std::unique_lock&lt;std::mutex&gt;</a> lock(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a50607c8e37d1e4da9cc630af42a35020">readLock_</a>);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> obj[<span class="stringliteral">&quot;read_queue&quot;</span>] = <span class="keyword">static_cast&lt;</span><a class="code hl_typedef" href="namespaceJson.html#ab1488c31a37eea2d37f36a0961372572">Json::UInt</a><span class="keyword">&gt;</span>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">read_</a>.size());</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> }</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> obj[<span class="stringliteral">&quot;read_threads_total&quot;</span>] = <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a38d84907a30540bca6e1ed9b4270677d">readThreads_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>();</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> obj[<span class="stringliteral">&quot;read_threads_running&quot;</span>] = <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a4536330a646be9055759565dc4b79d46">runningThreads_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>();</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> obj[<span class="stringliteral">&quot;read_request_bundle&quot;</span>] = <a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#ac8cfbf7d84ac217a815dffab2bd818ad">requestBundle_</a>;</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> obj[jss::node_writes] = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#aaa66af23d53df6dac315f271a957e1af">storeCount_</a>);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> obj[jss::node_reads_total] = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a34ea1b9ed96f470623fc9e6ec8042ed7">fetchTotalCount_</a>);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> obj[jss::node_reads_hit] = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#aa3787d596a1b0af5b5c4fa0fccf0817f">fetchHitCount_</a>);</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> obj[jss::node_written_bytes] = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a9d7777e55b97a744fc8bb70c9b22419c">storeSz_</a>);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> obj[jss::node_read_bytes] = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#ae8b166eb63a36199a993da183912118b">fetchSz_</a>);</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> obj[jss::node_reads_duration_us] = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(<a class="code hl_variable" href="classxrpl_1_1NodeStore_1_1Database.html#a80e8aead605504b16c725df3782f64bf">fetchDurationUs_</a>);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span>}</div>
</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span>} <span class="comment">// namespace NodeStore</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span>} <span class="comment">// namespace xrpl</span></div>
<div class="ttc" id="achrono_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/chrono.html">chrono</a></div></div>
<div class="ttc" id="aclassJson_1_1Value_html"><div class="ttname"><a href="classJson_1_1Value.html">Json::Value</a></div><div class="ttdoc">Represents a JSON value.</div><div class="ttdef"><b>Definition</b> <a href="json__value_8h_source.html#l00130">json_value.h:131</a></div></div>
<div class="ttc" id="aclassJson_1_1Value_html_a8cf96c0f2a552051fcfc78ffee60e037"><div class="ttname"><a href="classJson_1_1Value.html#a8cf96c0f2a552051fcfc78ffee60e037">Json::Value::isObject</a></div><div class="ttdeci">bool isObject() const</div><div class="ttdef"><b>Definition</b> <a href="json__value_8cpp_source.html#l01133">json_value.cpp:1133</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00040">Journal.h:41</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a49b0713e65bb8e2c51b76fbf16252afe"><div class="ttname"><a href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">beast::Journal::error</a></div><div class="ttdeci">Stream error() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00327">Journal.h:327</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_a556228cb60bcf405c225d3f64b7b01ae"><div class="ttname"><a href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">beast::Journal::debug</a></div><div class="ttdeci">Stream debug() const</div><div class="ttdef"><b>Definition</b> <a href="Journal_8h_source.html#l00309">Journal.h:309</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Backend_html"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Backend.html">xrpl::NodeStore::Backend</a></div><div class="ttdoc">A backend used for the NodeStore.</div><div class="ttdef"><b>Definition</b> <a href="Backend_8h_source.html#l00020">Backend.h:21</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Backend_html_ae527fa046484dbc48064d61e9956664e"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Backend.html#ae527fa046484dbc48064d61e9956664e">xrpl::NodeStore::Backend::storeBatch</a></div><div class="ttdeci">virtual void storeBatch(Batch const &amp;batch)=0</div><div class="ttdoc">Store a group of objects.</div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html">xrpl::NodeStore::Database</a></div><div class="ttdoc">Persistency layer for NodeObject.</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00031">Database.h:32</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a12e2ac1191a6eeece8547625e53a5287"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a12e2ac1191a6eeece8547625e53a5287">xrpl::NodeStore::Database::read_</a></div><div class="ttdeci">std::map&lt; uint256, std::vector&lt; std::pair&lt; std::uint32_t, std::function&lt; void(std::shared_ptr&lt; NodeObject &gt; const &amp;)&gt; &gt; &gt; &gt; read_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00266">Database.h:266</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a1b049d3e2d7d31e06435815a0525c31d"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a1b049d3e2d7d31e06435815a0525c31d">xrpl::NodeStore::Database::isStopping</a></div><div class="ttdeci">bool isStopping() const</div><div class="ttdef"><b>Definition</b> <a href="Database_8cpp_source.html#l00124">Database.cpp:124</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a1de37e4294b711489917a9264ff48468"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a1de37e4294b711489917a9264ff48468">xrpl::NodeStore::Database::stop</a></div><div class="ttdeci">virtual void stop()</div><div class="ttdef"><b>Definition</b> <a href="Database_8cpp_source.html#l00130">Database.cpp:130</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a22a4de137cbecd91adac5bc6d98cc084"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a22a4de137cbecd91adac5bc6d98cc084">xrpl::NodeStore::Database::storeStats</a></div><div class="ttdeci">void storeStats(std::uint64_t count, std::uint64_t sz)</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00229">Database.h:229</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a285ba622231e2b4103cae09de16d2870"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a285ba622231e2b4103cae09de16d2870">xrpl::NodeStore::Database::readCondVar_</a></div><div class="ttdeci">std::condition_variable readCondVar_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00258">Database.h:258</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a34ea1b9ed96f470623fc9e6ec8042ed7"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a34ea1b9ed96f470623fc9e6ec8042ed7">xrpl::NodeStore::Database::fetchTotalCount_</a></div><div class="ttdeci">std::atomic&lt; std::uint64_t &gt; fetchTotalCount_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00253">Database.h:253</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a38d84907a30540bca6e1ed9b4270677d"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a38d84907a30540bca6e1ed9b4270677d">xrpl::NodeStore::Database::readThreads_</a></div><div class="ttdeci">std::atomic&lt; int &gt; readThreads_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00269">Database.h:269</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a4536330a646be9055759565dc4b79d46"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a4536330a646be9055759565dc4b79d46">xrpl::NodeStore::Database::runningThreads_</a></div><div class="ttdeci">std::atomic&lt; int &gt; runningThreads_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00270">Database.h:270</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a45d4e7fa2339eae899dac6132f79dfa8"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a45d4e7fa2339eae899dac6132f79dfa8">xrpl::NodeStore::Database::Database</a></div><div class="ttdeci">Database()=delete</div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a50607c8e37d1e4da9cc630af42a35020"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a50607c8e37d1e4da9cc630af42a35020">xrpl::NodeStore::Database::readLock_</a></div><div class="ttdeci">std::mutex readLock_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00257">Database.h:257</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a51a71f2e714bad4a321a4567cec1c785"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a51a71f2e714bad4a321a4567cec1c785">xrpl::NodeStore::Database::j_</a></div><div class="ttdeci">beast::Journal const j_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00208">Database.h:208</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a55d18c81aa7262045ac4ff65faa7c079"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a55d18c81aa7262045ac4ff65faa7c079">xrpl::NodeStore::Database::for_each</a></div><div class="ttdeci">virtual void for_each(std::function&lt; void(std::shared_ptr&lt; NodeObject &gt;)&gt; f)=0</div><div class="ttdoc">Visit every object in the database This is usually called during import.</div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a6b2f88bb9853a86e65df2a43f13295f3"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a6b2f88bb9853a86e65df2a43f13295f3">xrpl::NodeStore::Database::readStopping_</a></div><div class="ttdeci">std::atomic&lt; bool &gt; readStopping_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00268">Database.h:268</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a7104f8edd1132f71fcc37a5627283b64"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a7104f8edd1132f71fcc37a5627283b64">xrpl::NodeStore::Database::asyncFetch</a></div><div class="ttdeci">virtual void asyncFetch(uint256 const &amp;hash, std::uint32_t ledgerSeq, std::function&lt; void(std::shared_ptr&lt; NodeObject &gt; const &amp;)&gt; &amp;&amp;callback)</div><div class="ttdoc">Fetch an object without waiting.</div><div class="ttdef"><b>Definition</b> <a href="Database_8cpp_source.html#l00165">Database.cpp:165</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a7629acbd2e65a6ba021e0179e3ebf467"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a7629acbd2e65a6ba021e0179e3ebf467">xrpl::NodeStore::Database::scheduler_</a></div><div class="ttdeci">Scheduler &amp; scheduler_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00209">Database.h:209</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a80e8aead605504b16c725df3782f64bf"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a80e8aead605504b16c725df3782f64bf">xrpl::NodeStore::Database::fetchDurationUs_</a></div><div class="ttdeci">std::atomic&lt; std::uint64_t &gt; fetchDurationUs_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00254">Database.h:254</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a810fe3f01ba81b15b21e37ed9b3f317c"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a810fe3f01ba81b15b21e37ed9b3f317c">xrpl::NodeStore::Database::isSameDB</a></div><div class="ttdeci">virtual bool isSameDB(std::uint32_t s1, std::uint32_t s2)=0</div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a8549eca2abe3cd2cf6a8cf65558276be"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a8549eca2abe3cd2cf6a8cf65558276be">xrpl::NodeStore::Database::~Database</a></div><div class="ttdeci">virtual ~Database()</div><div class="ttdoc">Destroy the node store.</div><div class="ttdef"><b>Definition</b> <a href="Database_8cpp_source.html#l00112">Database.cpp:112</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a9d7777e55b97a744fc8bb70c9b22419c"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a9d7777e55b97a744fc8bb70c9b22419c">xrpl::NodeStore::Database::storeSz_</a></div><div class="ttdeci">std::atomic&lt; std::uint64_t &gt; storeSz_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00252">Database.h:252</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_a9e377e9f5b7f132a28b1154f9df8e18b"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#a9e377e9f5b7f132a28b1154f9df8e18b">xrpl::NodeStore::Database::earliestLedgerSeq_</a></div><div class="ttdeci">std::uint32_t const earliestLedgerSeq_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00221">Database.h:221</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_aa3787d596a1b0af5b5c4fa0fccf0817f"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#aa3787d596a1b0af5b5c4fa0fccf0817f">xrpl::NodeStore::Database::fetchHitCount_</a></div><div class="ttdeci">std::atomic&lt; std::uint32_t &gt; fetchHitCount_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00212">Database.h:212</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_aaa66af23d53df6dac315f271a957e1af"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#aaa66af23d53df6dac315f271a957e1af">xrpl::NodeStore::Database::storeCount_</a></div><div class="ttdeci">std::atomic&lt; std::uint64_t &gt; storeCount_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00251">Database.h:251</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_ab1c70e66ae4af42db2665020e58d746f"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#ab1c70e66ae4af42db2665020e58d746f">xrpl::NodeStore::Database::fetchNodeObject</a></div><div class="ttdeci">std::shared_ptr&lt; NodeObject &gt; fetchNodeObject(uint256 const &amp;hash, std::uint32_t ledgerSeq=0, FetchType fetchType=FetchType::synchronous, bool duplicate=false)</div><div class="ttdoc">Fetch a node object.</div><div class="ttdef"><b>Definition</b> <a href="Database_8cpp_source.html#l00221">Database.cpp:221</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_ac8cfbf7d84ac217a815dffab2bd818ad"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#ac8cfbf7d84ac217a815dffab2bd818ad">xrpl::NodeStore::Database::requestBundle_</a></div><div class="ttdeci">int const requestBundle_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00226">Database.h:226</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_acbeacc2a25b1d1d03de39033dd060411"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#acbeacc2a25b1d1d03de39033dd060411">xrpl::NodeStore::Database::getCountsJson</a></div><div class="ttdeci">void getCountsJson(Json::Value &amp;obj)</div><div class="ttdef"><b>Definition</b> <a href="Database_8cpp_source.html#l00248">Database.cpp:248</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_ae8b166eb63a36199a993da183912118b"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#ae8b166eb63a36199a993da183912118b">xrpl::NodeStore::Database::fetchSz_</a></div><div class="ttdeci">std::atomic&lt; std::uint32_t &gt; fetchSz_</div><div class="ttdef"><b>Definition</b> <a href="Database_8h_source.html#l00213">Database.h:213</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Database_html_affdf06b604e9f802daf761c907e3a92a"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Database.html#affdf06b604e9f802daf761c907e3a92a">xrpl::NodeStore::Database::importInternal</a></div><div class="ttdeci">void importInternal(Backend &amp;dstBackend, Database &amp;srcDB)</div><div class="ttdef"><b>Definition</b> <a href="Database_8cpp_source.html#l00180">Database.cpp:180</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Scheduler_html"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Scheduler.html">xrpl::NodeStore::Scheduler</a></div><div class="ttdoc">Scheduling for asynchronous backend activity.</div><div class="ttdef"><b>Definition</b> <a href="include_2xrpl_2nodestore_2Scheduler_8h_source.html#l00042">include/xrpl/nodestore/Scheduler.h:43</a></div></div>
<div class="ttc" id="aclassxrpl_1_1NodeStore_1_1Scheduler_html_aa62f5aa8fecd6b5623e4a924e41add6c"><div class="ttname"><a href="classxrpl_1_1NodeStore_1_1Scheduler.html#aa62f5aa8fecd6b5623e4a924e41add6c">xrpl::NodeStore::Scheduler::onFetch</a></div><div class="ttdeci">virtual void onFetch(FetchReport const &amp;report)=0</div><div class="ttdoc">Reports completion of a fetch Allows the scheduler to monitor the node store's performance.</div></div>
<div class="ttc" id="aclassxrpl_1_1Section_html"><div class="ttname"><a href="classxrpl_1_1Section.html">xrpl::Section</a></div><div class="ttdoc">Holds a collection of configuration values.</div><div class="ttdef"><b>Definition</b> <a href="BasicConfig_8h_source.html#l00025">BasicConfig.h:26</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html"><div class="ttname"><a href="classxrpl_1_1base__uint.html">xrpl::base_uint&lt; 256 &gt;</a></div></div>
<div class="ttc" id="adetach_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/thread/detach.html">std::thread::detach</a></div><div class="ttdeci">T detach(T... args)</div></div>
<div class="ttc" id="aexception_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/exception.html">std::exception</a></div></div>
<div class="ttc" id="aexchange_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/atomic/atomic/exchange.html">std::atomic::exchange</a></div><div class="ttdeci">T exchange(T... args)</div></div>
<div class="ttc" id="afunction_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a></div></div>
<div class="ttc" id="ahash_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/hash.html">std::hash</a></div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
<div class="ttc" id="ais_same_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v</a></div><div class="ttdeci">T is_same_v</div></div>
<div class="ttc" id="aload_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">std::atomic::load</a></div><div class="ttdeci">T load(T... args)</div></div>
<div class="ttc" id="alock_guard_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a></div></div>
<div class="ttc" id="anamespaceJson_html_ab1488c31a37eea2d37f36a0961372572"><div class="ttname"><a href="namespaceJson.html#ab1488c31a37eea2d37f36a0961372572">Json::UInt</a></div><div class="ttdeci">unsigned int UInt</div><div class="ttdef"><b>Definition</b> <a href="json__forwards_8h_source.html#l00008">json_forwards.h:8</a></div></div>
<div class="ttc" id="anamespacebeast_html_ab3bd70e6eb43bbd99b5fe518efce8c7e"><div class="ttname"><a href="namespacebeast.html#ab3bd70e6eb43bbd99b5fe518efce8c7e">beast::setCurrentThreadName</a></div><div class="ttdeci">void setCurrentThreadName(std::string_view newThreadName)</div><div class="ttdoc">Changes the name of the caller thread.</div><div class="ttdef"><b>Definition</b> <a href="CurrentThreadName_8cpp_source.html#l00100">CurrentThreadName.cpp:100</a></div></div>
<div class="ttc" id="anamespacestd_1_1chrono_html"><div class="ttname"><a href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a></div></div>
<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
<div class="ttc" id="anamespacexrpl_1_1NodeStore_html_a1c218373fdd3c05b46469afc8f76c1dc"><div class="ttname"><a href="namespacexrpl_1_1NodeStore.html#a1c218373fdd3c05b46469afc8f76c1dc">xrpl::NodeStore::read</a></div><div class="ttdeci">void read(nudb::detail::istream &amp;is, std::size_t &amp;u)</div><div class="ttdef"><b>Definition</b> <a href="varint_8h_source.html#l00102">varint.h:102</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1NodeStore_html_a4abeb46fdf43e4f80398fc27751f220a"><div class="ttname"><a href="namespacexrpl_1_1NodeStore.html#a4abeb46fdf43e4f80398fc27751f220a">xrpl::NodeStore::FetchType</a></div><div class="ttdeci">FetchType</div><div class="ttdef"><b>Definition</b> <a href="include_2xrpl_2nodestore_2Scheduler_8h_source.html#l00011">include/xrpl/nodestore/Scheduler.h:11</a></div></div>
<div class="ttc" id="anamespacexrpl_1_1NodeStore_html_a4abeb46fdf43e4f80398fc27751f220aa0df93e34273b367bb63bad28c94c78d5"><div class="ttname"><a href="namespacexrpl_1_1NodeStore.html#a4abeb46fdf43e4f80398fc27751f220aa0df93e34273b367bb63bad28c94c78d5">xrpl::NodeStore::FetchType::async</a></div><div class="ttdeci">@ async</div></div>
<div class="ttc" id="anamespacexrpl_1_1NodeStore_html_a5057e348c39a1f5562157f764c3f5f06aa166a52987a2e4ea7521a98e753abb37"><div class="ttname"><a href="namespacexrpl_1_1NodeStore.html#a5057e348c39a1f5562157f764c3f5f06aa166a52987a2e4ea7521a98e753abb37">xrpl::NodeStore::batchWritePreallocationSize</a></div><div class="ttdeci">@ batchWritePreallocationSize</div><div class="ttdef"><b>Definition</b> <a href="nodestore_2Types_8h_source.html#l00015">nodestore/Types.h:15</a></div></div>
<div class="ttc" id="anamespacexrpl_html"><div class="ttname"><a href="namespacexrpl.html">xrpl</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a35eb8e7a63de05fb4478c7faa7bdc70b"><div class="ttname"><a href="namespacexrpl.html#a35eb8e7a63de05fb4478c7faa7bdc70b">xrpl::get</a></div><div class="ttdeci">T get(Section const &amp;section, std::string const &amp;name, T const &amp;defaultValue=T{})</div><div class="ttdoc">Retrieve a key/value pair from a section.</div><div class="ttdef"><b>Definition</b> <a href="BasicConfig_8h_source.html#l00336">BasicConfig.h:336</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11"><div class="ttname"><a href="namespacexrpl.html#ac599741e6d4066bada11df4c7e8ad30aad265aed699f7409ac0ec6fe07ee9cb11">xrpl::HashPrefix::batch</a></div><div class="ttdeci">@ batch</div><div class="ttdoc">Batch.</div></div>
<div class="ttc" id="anamespacexrpl_html_adbdbf906239fe40821419cda12a76d91"><div class="ttname"><a href="namespacexrpl.html#adbdbf906239fe40821419cda12a76d91">xrpl::XRP_LEDGER_EARLIEST_SEQ</a></div><div class="ttdeci">static constexpr std::uint32_t XRP_LEDGER_EARLIEST_SEQ</div><div class="ttdoc">The XRP ledger network's earliest allowed sequence.</div><div class="ttdef"><b>Definition</b> <a href="SystemParameters_8h_source.html#l00051">SystemParameters.h:51</a></div></div>
<div class="ttc" id="anotify_all_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/condition_variable/notify_all.html">std::condition_variable::notify_all</a></div><div class="ttdeci">T notify_all(T... args)</div></div>
<div class="ttc" id="anotify_one_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/condition_variable/notify_one.html">std::condition_variable::notify_one</a></div><div class="ttdeci">T notify_one(T... args)</div></div>
<div class="ttc" id="areserve_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">std::vector::reserve</a></div><div class="ttdeci">T reserve(T... args)</div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
<div class="ttc" id="astructxrpl_1_1NodeStore_1_1FetchReport_html"><div class="ttname"><a href="structxrpl_1_1NodeStore_1_1FetchReport.html">xrpl::NodeStore::FetchReport</a></div><div class="ttdoc">Contains information about a fetch operation.</div><div class="ttdef"><b>Definition</b> <a href="include_2xrpl_2nodestore_2Scheduler_8h_source.html#l00014">include/xrpl/nodestore/Scheduler.h:15</a></div></div>
<div class="ttc" id="astructxrpl_1_1NodeStore_1_1FetchReport_html_a8ea306ea22ac7a3c47be113231c5a4d1"><div class="ttname"><a href="structxrpl_1_1NodeStore_1_1FetchReport.html#a8ea306ea22ac7a3c47be113231c5a4d1">xrpl::NodeStore::FetchReport::elapsed</a></div><div class="ttdeci">std::chrono::milliseconds elapsed</div><div class="ttdef"><b>Definition</b> <a href="include_2xrpl_2nodestore_2Scheduler_8h_source.html#l00020">include/xrpl/nodestore/Scheduler.h:20</a></div></div>
<div class="ttc" id="athread_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/thread.html">std::thread</a></div></div>
<div class="ttc" id="ato_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a></div><div class="ttdeci">T to_string(T... args)</div></div>
<div class="ttc" id="aunique_lock_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/unique_lock.html">std::unique_lock</a></div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt; std::shared_ptr&lt; NodeObject &gt; &gt;</a></div></div>
<div class="ttc" id="await_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/condition_variable/wait.html">std::condition_variable::wait</a></div><div class="ttdeci">T wait(T... args)</div></div>
<div class="ttc" id="awhat_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/exception/what.html">std::exception::what</a></div><div class="ttdeci">T what(T... args)</div></div>
<div class="ttc" id="ayield_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/yield.html">std::this_thread::yield</a></div><div class="ttdeci">T yield(T... args)</div></div>
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