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<li class="navelem"><a class="el" href="dir_a62226f9e3a6c7c5a3be455e2f87ae01.html">xrpld</a></li><li class="navelem"><a class="el" href="dir_7ce8509406ee125b7d32b7e664ae4e18.html">nodestore</a></li><li class="navelem"><a class="el" href="dir_9316ae2f34c7b7c8d3f14ce0f886f64c.html">detail</a></li> </ul>
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<div class="headertitle"><div class="title">Database.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">*/</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">//==============================================================================</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;xrpld/nodestore/Database.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;xrpl/basics/chrono.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;xrpl/beast/core/CurrentThreadName.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include &lt;xrpl/json/json_value.h&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;xrpl/protocol/HashPrefix.h&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include &lt;xrpl/protocol/jss.h&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</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="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">namespace </span>NodeStore {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#ac3e8bdd05bca07972e74fe9a121f2375"> 33</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#acd7da6cb652b11ecd6b40fb79d6f8b2f">Database::Database</a>(</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <a class="code hl_class" href="classripple_1_1NodeStore_1_1Scheduler.html">Scheduler</a>&amp; scheduler,</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordtype">int</span> readThreads,</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <a class="code hl_class" href="classripple_1_1Section.html">Section</a> <span class="keyword">const</span>&amp; config,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <a class="code hl_class" href="classbeast_1_1Journal.html">beast::Journal</a> journal)</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> : j_(journal)</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> , scheduler_(scheduler)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> , earliestLedgerSeq_(</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <a class="code hl_function" href="namespaceripple.html#ac341e8b4d6615fda7866d3c1c0014e44">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="namespaceripple.html#a2c550f167665d94744b297523ff07de2">XRP_LEDGER_EARLIEST_SEQ</a>))</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> , requestBundle_(<a class="code hl_function" href="namespaceripple.html#ac341e8b4d6615fda7866d3c1c0014e44">get</a>&lt;int&gt;(config, <span class="stringliteral">&quot;rq_bundle&quot;</span>, 4))</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> , readThreads_(<a class="code hl_namespace" href="namespacestd.html">std</a>::max(1, readThreads))</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> readThreads,</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="stringliteral">&quot;ripple::NodeStore::Database::Database : nonzero threads input&quot;</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> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a4e3a4884a1b719e96e282c6c3b601fdc">earliestLedgerSeq_</a> &lt; 1)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;Invalid earliest_seq&quot;</span>);</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">if</span> (requestBundle_ &lt; 1 || requestBundle_ &gt; 64)</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;Invalid rq_bundle&quot;</span>);</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#af5fd85ba304bf9fd6e5afd7f06025180">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="l00056" name="l00056"></a><span class="lineno"> 56</span> {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</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="l00058" name="l00058"></a><span class="lineno"> 58</span> [<span class="keyword">this</span>](<span class="keywordtype">int</span> i) {</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#ad9f741a64dae54f4b30f31fb68565283">runningThreads_</a>++;</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> <a class="code hl_function" href="namespacebeast.html#ab3bd70e6eb43bbd99b5fe518efce8c7e">beast::setCurrentThreadName</a>(</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</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="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="keyword">decltype</span>(<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">read_</a>) <a class="code hl_function" href="namespaceripple_1_1NodeStore.html#a842656443a02cf834bf2c521a28a1236">read</a>;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</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="classripple_1_1NodeStore_1_1Database.html#a06fbf66d1f34a6162a17daf72e71eba9">readLock_</a>);</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> <span class="keywordflow">if</span> (<a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a6bb055f14d1d28163e931ed73d94a1e1">isStopping</a>())</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">read_</a>.empty())</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#ad9f741a64dae54f4b30f31fb68565283">runningThreads_</a>--;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a438af3c0eba7891bb79d5c5dcb902556">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="l00078" name="l00078"></a><span class="lineno"> 78</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#ad9f741a64dae54f4b30f31fb68565283">runningThreads_</a>++;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> }</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a6bb055f14d1d28163e931ed73d94a1e1">isStopping</a>())</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// extract multiple object at a time to minimize the</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// overhead of acquiring the mutex.</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> cnt = 0;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> !<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">read_</a>.empty() &amp;&amp; cnt != <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#afb01b75cff1136cfe603223a69236254">requestBundle_</a>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> ++cnt)</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_function" href="namespaceripple_1_1NodeStore.html#a842656443a02cf834bf2c521a28a1236">read</a>.insert(<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">read_</a>.extract(<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">read_</a>.begin()));</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = <a class="code hl_function" href="namespaceripple_1_1NodeStore.html#a842656443a02cf834bf2c521a28a1236">read</a>.begin(); it != <a class="code hl_function" href="namespaceripple_1_1NodeStore.html#a842656443a02cf834bf2c521a28a1236">read</a>.end(); ++it)</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> !it-&gt;second.empty(),</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="stringliteral">&quot;ripple::NodeStore::Database::Database : non-empty &quot;</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="stringliteral">&quot;data&quot;</span>);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; hash = it-&gt;first;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; data = it-&gt;second;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">auto</span> <span class="keyword">const</span> seqn = data[0].first;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">auto</span> obj =</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a780601a4dce8d688490a24a61f8cea9e">fetchNodeObject</a>(hash, seqn, <a class="code hl_enumvalue" href="namespaceripple_1_1NodeStore.html#a6334ed426a8dbe335761b9d81ab6f19fa0df93e34273b367bb63bad28c94c78d5">FetchType::async</a>);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// This could be further optimized: if there are</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// multiple requests for sequence numbers mapping to</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// multiple databases by sorting requests such that all</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// indices mapping to the same database are grouped</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// together and serviced by a single read.</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</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="l00112" name="l00112"></a><span class="lineno"> 112</span> {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> req.second(</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> (seqn == req.first) || <a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#ae3e615caca1a493f80515d137b315fa8">isSameDB</a>(req.first, seqn)</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> ? obj</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> : <a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a780601a4dce8d688490a24a61f8cea9e">fetchNodeObject</a>(</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> hash, req.first, <a class="code hl_enumvalue" href="namespaceripple_1_1NodeStore.html#a6334ed426a8dbe335761b9d81ab6f19fa0df93e34273b367bb63bad28c94c78d5">FetchType::async</a>));</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> }</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <a class="code hl_function" href="namespaceripple_1_1NodeStore.html#a842656443a02cf834bf2c521a28a1236">read</a>.clear();</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> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> --<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#ad9f741a64dae54f4b30f31fb68565283">runningThreads_</a>;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> --<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#af5fd85ba304bf9fd6e5afd7f06025180">readThreads_</a>;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> },</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> i);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</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="l00129" name="l00129"></a><span class="lineno"> 129</span> }</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span>}</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#a2e1cec1845007e7037214306b2c4bf45"> 132</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a2e1cec1845007e7037214306b2c4bf45">Database::~Database</a>()</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>{</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// NOTE!</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// Any derived class should call the stop() method in its</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// destructor. Otherwise, occasionally, the derived class may</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="comment">// crash during shutdown when its members are accessed by one of</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// these threads after the derived class is destroyed but before</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// this base class is destroyed.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#affd86ea8d57875e1c9722fdf6a8f6326">stop</a>();</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><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#a6bb055f14d1d28163e931ed73d94a1e1"> 144</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a6bb055f14d1d28163e931ed73d94a1e1">Database::isStopping</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a7cb4eee79861b6a496fe6ddcd024a5f8">readStopping_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>(std::memory_order_relaxed);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span>}</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="keywordtype">void</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#affd86ea8d57875e1c9722fdf6a8f6326"> 150</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#affd86ea8d57875e1c9722fdf6a8f6326">Database::stop</a>()</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span>{</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> {</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</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="classripple_1_1NodeStore_1_1Database.html#a06fbf66d1f34a6162a17daf72e71eba9">readLock_</a>);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a7cb4eee79861b6a496fe6ddcd024a5f8">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>, std::memory_order_relaxed))</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="classripple_1_1NodeStore_1_1Database.html#a91e5dd4e1a48a23cb5f698c0794a044e">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="l00158" name="l00158"></a><span class="lineno"> 158</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">read_</a>.clear();</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a438af3c0eba7891bb79d5c5dcb902556">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="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> }</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> JLOG(<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a91e5dd4e1a48a23cb5f698c0794a044e">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="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="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="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">auto</span> <span class="keyword">const</span> start = steady_clock::now();</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#af5fd85ba304bf9fd6e5afd7f06025180">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="l00170" name="l00170"></a><span class="lineno"> 170</span> {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> steady_clock::now() - start &lt; 30s,</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="stringliteral">&quot;ripple::NodeStore::Database::stop : maximum stop duration&quot;</span>);</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</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="l00175" name="l00175"></a><span class="lineno"> 175</span> }</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> JLOG(<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a91e5dd4e1a48a23cb5f698c0794a044e">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="l00178" name="l00178"></a><span class="lineno"> 178</span> &lt;&lt; duration_cast&lt;std::chrono::milliseconds&gt;(</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> steady_clock::now() - start)</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> .count()</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> &lt;&lt; <span class="stringliteral">&quot; millseconds&quot;</span>;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span>}</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#a0d21a918d521d82947868d21e1aafadb"> 185</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a0d21a918d521d82947868d21e1aafadb">Database::asyncFetch</a>(</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_class" href="classripple_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="l00187" name="l00187"></a><span class="lineno"> 187</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="l00188" name="l00188"></a><span class="lineno"> 188</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="l00189" name="l00189"></a><span class="lineno"> 189</span>{</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</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="classripple_1_1NodeStore_1_1Database.html#a06fbf66d1f34a6162a17daf72e71eba9">readLock_</a>);</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a6bb055f14d1d28163e931ed73d94a1e1">isStopping</a>())</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> {</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">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="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a438af3c0eba7891bb79d5c5dcb902556">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="l00196" name="l00196"></a><span class="lineno"> 196</span> }</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span>}</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#af885d9fe877259a258481f0df20697cd"> 200</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#af885d9fe877259a258481f0df20697cd">Database::importInternal</a>(<a class="code hl_class" href="classripple_1_1NodeStore_1_1Backend.html">Backend</a>&amp; dstBackend, <a class="code hl_class" href="classripple_1_1NodeStore_1_1Database.html">Database</a>&amp; srcDB)</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">Batch</a> batch;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> batch.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/reserve.html">reserve</a>(<a class="code hl_enumvalue" href="namespaceripple_1_1NodeStore.html#aa58826ecc5365c32e57504172cc6c827a3e7cbb590a2149da2328925f4ac5978a">batchWritePreallocationSize</a>);</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">auto</span> storeBatch = [&amp;, fname = __func__]() {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">try</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> dstBackend.<a class="code hl_function" href="classripple_1_1NodeStore_1_1Backend.html#acb1f22b4101841e695477646c95376a7">storeBatch</a>(batch);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <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="l00210" name="l00210"></a><span class="lineno"> 210</span> {</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> JLOG(<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a91e5dd4e1a48a23cb5f698c0794a044e">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="l00212" name="l00212"></a><span class="lineno"> 212</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="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">return</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> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</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="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; nodeObject : batch)</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> sz += nodeObject-&gt;getData().size();</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a090e39b8c6733b0dc4553f9e8e705605">storeStats</a>(batch.size(), sz);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> batch.clear();</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> };</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> srcDB.<a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a2b5174a0ffb315030b96815d6ac86eaf">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="l00224" name="l00224"></a><span class="lineno"> 224</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> nodeObject,</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="stringliteral">&quot;ripple::NodeStore::Database::importInternal : non-null node&quot;</span>);</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">if</span> (!nodeObject) <span class="comment">// This should never happen</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> batch.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">emplace_back</a>(std::move(nodeObject));</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">if</span> (batch.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>() &gt;= <a class="code hl_enumvalue" href="namespaceripple_1_1NodeStore.html#aa58826ecc5365c32e57504172cc6c827a3e7cbb590a2149da2328925f4ac5978a">batchWritePreallocationSize</a>)</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> storeBatch();</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> });</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">if</span> (!batch.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/empty.html">empty</a>())</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> storeBatch();</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span>}</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="comment">// Perform a fetch and report the time it took</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</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="line"><a id="l00241" name="l00241"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#a780601a4dce8d688490a24a61f8cea9e"> 241</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a780601a4dce8d688490a24a61f8cea9e">Database::fetchNodeObject</a>(</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <a class="code hl_class" href="classripple_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="l00243" name="l00243"></a><span class="lineno"> 243</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="l00244" name="l00244"></a><span class="lineno"> 244</span> <a class="code hl_enumeration" href="namespaceripple_1_1NodeStore.html#a6334ed426a8dbe335761b9d81ab6f19f">FetchType</a> fetchType,</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordtype">bool</span> duplicate)</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> <a class="code hl_struct" href="structripple_1_1NodeStore_1_1FetchReport.html">FetchReport</a> fetchReport(fetchType);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</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="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keyword">auto</span> <span class="keyword">const</span> begin{steady_clock::now()};</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keyword">auto</span> nodeObject{<a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a780601a4dce8d688490a24a61f8cea9e">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="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">auto</span> dur = steady_clock::now() - begin;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#ab4ecdf417aaa8e5d4c88601244fe90d7">fetchDurationUs_</a> += duration_cast&lt;microseconds&gt;(dur).count();</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordflow">if</span> (nodeObject)</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> {</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> ++<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a89497b9b4c5530b58040931489015d30">fetchHitCount_</a>;</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a04150d23aa2acaf016d4ca40bd10804a">fetchSz_</a> += nodeObject-&gt;getData().size();</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> }</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> ++<a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#af3332d74cac6eb882c2908e14655d3a0">fetchTotalCount_</a>;</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> fetchReport.<a class="code hl_variable" href="structripple_1_1NodeStore_1_1FetchReport.html#ad28c626873890debb451674b62037f57">elapsed</a> = duration_cast&lt;milliseconds&gt;(dur);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#a0e5bc58351ded4683d7207383794a484">scheduler_</a>.<a class="code hl_function" href="classripple_1_1NodeStore_1_1Scheduler.html#acf9a08ef64dd95c98da3e095ee919171">onFetch</a>(fetchReport);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">return</span> nodeObject;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span>}</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"><a class="line" href="classripple_1_1NodeStore_1_1Database.html#a023779f42976b9c22da655bf9fd4f4a5"> 268</a></span><a class="code hl_function" href="classripple_1_1NodeStore_1_1Database.html#a023779f42976b9c22da655bf9fd4f4a5">Database::getCountsJson</a>(<a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a>&amp; obj)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span>{</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> obj.<a class="code hl_function" href="classJson_1_1Value.html#a8cf96c0f2a552051fcfc78ffee60e037">isObject</a>(),</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="stringliteral">&quot;ripple::NodeStore::Database::getCountsJson : valid input type&quot;</span>);</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> {</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <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="classripple_1_1NodeStore_1_1Database.html#a06fbf66d1f34a6162a17daf72e71eba9">readLock_</a>);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</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="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">read_</a>.size());</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> obj[<span class="stringliteral">&quot;read_threads_total&quot;</span>] = <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#af5fd85ba304bf9fd6e5afd7f06025180">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="l00280" name="l00280"></a><span class="lineno"> 280</span> obj[<span class="stringliteral">&quot;read_threads_running&quot;</span>] = <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#ad9f741a64dae54f4b30f31fb68565283">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="l00281" name="l00281"></a><span class="lineno"> 281</span> obj[<span class="stringliteral">&quot;read_request_bundle&quot;</span>] = <a class="code hl_variable" href="classripple_1_1NodeStore_1_1Database.html#afb01b75cff1136cfe603223a69236254">requestBundle_</a>;</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> 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="classripple_1_1NodeStore_1_1Database.html#a4dc1dcc2a79b60c2c7de7f1bdf05cecf">storeCount_</a>);</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</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="classripple_1_1NodeStore_1_1Database.html#af3332d74cac6eb882c2908e14655d3a0">fetchTotalCount_</a>);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</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="classripple_1_1NodeStore_1_1Database.html#a89497b9b4c5530b58040931489015d30">fetchHitCount_</a>);</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</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="classripple_1_1NodeStore_1_1Database.html#a5dbc9808c511caeaaa7ce5c6b27276e6">storeSz_</a>);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</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="classripple_1_1NodeStore_1_1Database.html#a04150d23aa2acaf016d4ca40bd10804a">fetchSz_</a>);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</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="classripple_1_1NodeStore_1_1Database.html#ab4ecdf417aaa8e5d4c88601244fe90d7">fetchDurationUs_</a>);</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span>}</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span>} <span class="comment">// namespace NodeStore</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span>} <span class="comment">// namespace ripple</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#l00149">json_value.h:150</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#l01059">json_value.cpp:1059</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#l00059">Journal.h:60</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#l00346">Journal.h:346</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#l00328">Journal.h:328</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Backend_html"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Backend.html">ripple::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#l00039">Backend.h:40</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Backend_html_acb1f22b4101841e695477646c95376a7"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Backend.html#acb1f22b4101841e695477646c95376a7">ripple::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="aclassripple_1_1NodeStore_1_1Database_html"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html">ripple::NodeStore::Database</a></div><div class="ttdoc">Persistency layer for NodeObject.</div><div class="ttdef"><b>Definition:</b> <a href="Database_8h_source.html#l00051">Database.h:52</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a023779f42976b9c22da655bf9fd4f4a5"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a023779f42976b9c22da655bf9fd4f4a5">ripple::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#l00268">Database.cpp:268</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a04150d23aa2acaf016d4ca40bd10804a"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a04150d23aa2acaf016d4ca40bd10804a">ripple::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#l00233">Database.h:233</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a06fbf66d1f34a6162a17daf72e71eba9"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a06fbf66d1f34a6162a17daf72e71eba9">ripple::NodeStore::Database::readLock_</a></div><div class="ttdeci">std::mutex readLock_</div><div class="ttdef"><b>Definition:</b> <a href="Database_8h_source.html#l00277">Database.h:277</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a090e39b8c6733b0dc4553f9e8e705605"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a090e39b8c6733b0dc4553f9e8e705605">ripple::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#l00249">Database.h:249</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a0d21a918d521d82947868d21e1aafadb"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a0d21a918d521d82947868d21e1aafadb">ripple::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#l00185">Database.cpp:185</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a0e5bc58351ded4683d7207383794a484"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a0e5bc58351ded4683d7207383794a484">ripple::NodeStore::Database::scheduler_</a></div><div class="ttdeci">Scheduler &amp; scheduler_</div><div class="ttdef"><b>Definition:</b> <a href="Database_8h_source.html#l00229">Database.h:229</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a2b5174a0ffb315030b96815d6ac86eaf"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a2b5174a0ffb315030b96815d6ac86eaf">ripple::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="aclassripple_1_1NodeStore_1_1Database_html_a2e1cec1845007e7037214306b2c4bf45"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a2e1cec1845007e7037214306b2c4bf45">ripple::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#l00132">Database.cpp:132</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a438af3c0eba7891bb79d5c5dcb902556"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a438af3c0eba7891bb79d5c5dcb902556">ripple::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#l00278">Database.h:278</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a4dc1dcc2a79b60c2c7de7f1bdf05cecf"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a4dc1dcc2a79b60c2c7de7f1bdf05cecf">ripple::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#l00271">Database.h:271</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a4e3a4884a1b719e96e282c6c3b601fdc"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a4e3a4884a1b719e96e282c6c3b601fdc">ripple::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#l00241">Database.h:241</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a59cd26efed86926842662b223d20359d"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a59cd26efed86926842662b223d20359d">ripple::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#l00286">Database.h:286</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a5dbc9808c511caeaaa7ce5c6b27276e6"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a5dbc9808c511caeaaa7ce5c6b27276e6">ripple::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#l00272">Database.h:272</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a6bb055f14d1d28163e931ed73d94a1e1"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a6bb055f14d1d28163e931ed73d94a1e1">ripple::NodeStore::Database::isStopping</a></div><div class="ttdeci">bool isStopping() const</div><div class="ttdef"><b>Definition:</b> <a href="Database_8cpp_source.html#l00144">Database.cpp:144</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a780601a4dce8d688490a24a61f8cea9e"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a780601a4dce8d688490a24a61f8cea9e">ripple::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#l00241">Database.cpp:241</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a7cb4eee79861b6a496fe6ddcd024a5f8"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a7cb4eee79861b6a496fe6ddcd024a5f8">ripple::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#l00288">Database.h:288</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a89497b9b4c5530b58040931489015d30"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a89497b9b4c5530b58040931489015d30">ripple::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#l00232">Database.h:232</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_a91e5dd4e1a48a23cb5f698c0794a044e"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#a91e5dd4e1a48a23cb5f698c0794a044e">ripple::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#l00228">Database.h:228</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_ab4ecdf417aaa8e5d4c88601244fe90d7"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#ab4ecdf417aaa8e5d4c88601244fe90d7">ripple::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#l00274">Database.h:274</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_acd7da6cb652b11ecd6b40fb79d6f8b2f"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#acd7da6cb652b11ecd6b40fb79d6f8b2f">ripple::NodeStore::Database::Database</a></div><div class="ttdeci">Database()=delete</div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_ad9f741a64dae54f4b30f31fb68565283"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#ad9f741a64dae54f4b30f31fb68565283">ripple::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#l00290">Database.h:290</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_ae3e615caca1a493f80515d137b315fa8"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#ae3e615caca1a493f80515d137b315fa8">ripple::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="aclassripple_1_1NodeStore_1_1Database_html_af3332d74cac6eb882c2908e14655d3a0"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#af3332d74cac6eb882c2908e14655d3a0">ripple::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#l00273">Database.h:273</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_af5fd85ba304bf9fd6e5afd7f06025180"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#af5fd85ba304bf9fd6e5afd7f06025180">ripple::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#l00289">Database.h:289</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_af885d9fe877259a258481f0df20697cd"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#af885d9fe877259a258481f0df20697cd">ripple::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#l00200">Database.cpp:200</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_afb01b75cff1136cfe603223a69236254"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#afb01b75cff1136cfe603223a69236254">ripple::NodeStore::Database::requestBundle_</a></div><div class="ttdeci">int const requestBundle_</div><div class="ttdef"><b>Definition:</b> <a href="Database_8h_source.html#l00246">Database.h:246</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Database_html_affd86ea8d57875e1c9722fdf6a8f6326"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Database.html#affd86ea8d57875e1c9722fdf6a8f6326">ripple::NodeStore::Database::stop</a></div><div class="ttdeci">virtual void stop()</div><div class="ttdef"><b>Definition:</b> <a href="Database_8cpp_source.html#l00150">Database.cpp:150</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Scheduler_html"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Scheduler.html">ripple::NodeStore::Scheduler</a></div><div class="ttdoc">Scheduling for asynchronous backend activity.</div><div class="ttdef"><b>Definition:</b> <a href="xrpld_2nodestore_2Scheduler_8h_source.html#l00061">xrpld/nodestore/Scheduler.h:62</a></div></div>
<div class="ttc" id="aclassripple_1_1NodeStore_1_1Scheduler_html_acf9a08ef64dd95c98da3e095ee919171"><div class="ttname"><a href="classripple_1_1NodeStore_1_1Scheduler.html#acf9a08ef64dd95c98da3e095ee919171">ripple::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="aclassripple_1_1Section_html"><div class="ttname"><a href="classripple_1_1Section.html">ripple::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#l00044">BasicConfig.h:45</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::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="aemplace_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">std::vector::emplace_back</a></div><div class="ttdeci">T emplace_back(T... args)</div></div>
<div class="ttc" id="aempty_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/empty.html">std::vector::empty</a></div><div class="ttdeci">T empty(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="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#l00027">json_forwards.h:27</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#l00123">CurrentThreadName.cpp:123</a></div></div>
<div class="ttc" id="anamespaceripple_1_1NodeStore_html_a6334ed426a8dbe335761b9d81ab6f19f"><div class="ttname"><a href="namespaceripple_1_1NodeStore.html#a6334ed426a8dbe335761b9d81ab6f19f">ripple::NodeStore::FetchType</a></div><div class="ttdeci">FetchType</div><div class="ttdef"><b>Definition:</b> <a href="xrpld_2nodestore_2Scheduler_8h_source.html#l00030">xrpld/nodestore/Scheduler.h:30</a></div></div>
<div class="ttc" id="anamespaceripple_1_1NodeStore_html_a6334ed426a8dbe335761b9d81ab6f19fa0df93e34273b367bb63bad28c94c78d5"><div class="ttname"><a href="namespaceripple_1_1NodeStore.html#a6334ed426a8dbe335761b9d81ab6f19fa0df93e34273b367bb63bad28c94c78d5">ripple::NodeStore::FetchType::async</a></div><div class="ttdeci">@ async</div></div>
<div class="ttc" id="anamespaceripple_1_1NodeStore_html_a842656443a02cf834bf2c521a28a1236"><div class="ttname"><a href="namespaceripple_1_1NodeStore.html#a842656443a02cf834bf2c521a28a1236">ripple::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#l00121">varint.h:121</a></div></div>
<div class="ttc" id="anamespaceripple_1_1NodeStore_html_aa58826ecc5365c32e57504172cc6c827a3e7cbb590a2149da2328925f4ac5978a"><div class="ttname"><a href="namespaceripple_1_1NodeStore.html#aa58826ecc5365c32e57504172cc6c827a3e7cbb590a2149da2328925f4ac5978a">ripple::NodeStore::batchWritePreallocationSize</a></div><div class="ttdeci">@ batchWritePreallocationSize</div><div class="ttdef"><b>Definition:</b> <a href="src_2xrpld_2nodestore_2Types_8h_source.html#l00034">src/xrpld/nodestore/Types.h:34</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</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#l00026">algorithm.h:26</a></div></div>
<div class="ttc" id="anamespaceripple_html_a2c550f167665d94744b297523ff07de2"><div class="ttname"><a href="namespaceripple.html#a2c550f167665d94744b297523ff07de2">ripple::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#l00070">SystemParameters.h:70</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac341e8b4d6615fda7866d3c1c0014e44"><div class="ttname"><a href="namespaceripple.html#ac341e8b4d6615fda7866d3c1c0014e44">ripple::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#l00355">BasicConfig.h:355</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="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="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
<div class="ttc" id="astructripple_1_1NodeStore_1_1FetchReport_html"><div class="ttname"><a href="structripple_1_1NodeStore_1_1FetchReport.html">ripple::NodeStore::FetchReport</a></div><div class="ttdoc">Contains information about a fetch operation.</div><div class="ttdef"><b>Definition:</b> <a href="xrpld_2nodestore_2Scheduler_8h_source.html#l00033">xrpld/nodestore/Scheduler.h:34</a></div></div>
<div class="ttc" id="astructripple_1_1NodeStore_1_1FetchReport_html_ad28c626873890debb451674b62037f57"><div class="ttname"><a href="structripple_1_1NodeStore_1_1FetchReport.html#ad28c626873890debb451674b62037f57">ripple::NodeStore::FetchReport::elapsed</a></div><div class="ttdeci">std::chrono::milliseconds elapsed</div><div class="ttdef"><b>Definition:</b> <a href="xrpld_2nodestore_2Scheduler_8h_source.html#l00039">xrpld/nodestore/Scheduler.h:39</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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