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manojsdoshi
2021-03-12 22:34:28 +00:00
parent 1664f589f1
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@@ -145,90 +145,90 @@ $(function() {
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <a class="code" href="classripple_1_1PeerReservationTable.html#ab72fe64226e4e93c9e21d4815fd8ce69">connection_</a> = &amp;connection;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keyword">auto</span> db = <a class="code" href="classripple_1_1PeerReservationTable.html#ab72fe64226e4e93c9e21d4815fd8ce69">connection_</a>-&gt;<a class="code" href="classripple_1_1DatabaseCon.html#a16c6f729c6462f6200b724543f5c67bc">checkoutDb</a>();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; boost::optional&lt;std::string&gt; valPubKey, valDesc;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="comment">// We should really abstract the table and column names into constants,</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// but no one else does. Because it is too tedious? It would be easy if we</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// had a jOOQ for C++.</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; soci::statement st =</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; (db-&gt;prepare &lt;&lt; <span class="stringliteral">&quot;SELECT PublicKey, Description FROM PeerReservations;&quot;</span>,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; soci::into(valPubKey),</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; soci::into(valDesc));</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; st.execute();</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">while</span> (st.fetch())</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">if</span> (!valPubKey || !valDesc)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="comment">// This represents a `NULL` in a `NOT NULL` column. It should be</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="comment">// unreachable.</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> optNodeId =</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; parseBase58&lt;PublicKey&gt;(<a class="code" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ac3fe5edb1f8a81a8e585f6a27c120be6">TokenType::NodePublic</a>, *valPubKey);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">if</span> (!optNodeId)</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; JLOG(<a class="code" href="classripple_1_1PeerReservationTable.html#ad3cc1125e1261ca40c19c3e1ec4ca4e3">journal_</a>.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;load: not a public key: &quot;</span> &lt;&lt; valPubKey;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.insert(<a class="code" href="structripple_1_1PeerReservation.html">PeerReservation</a>{*optNodeId, *valDesc});</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;}</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="keyword">auto</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classripple_1_1PeerReservationTable.html#a9af0f18b3a4fe658d70d48adee578486"> 108</a></span>&#160;<a class="code" href="classripple_1_1PeerReservationTable.html#a9af0f18b3a4fe658d70d48adee578486">PeerReservationTable::insert_or_assign</a>(<a class="code" href="structripple_1_1PeerReservation.html">PeerReservation</a> <span class="keyword">const</span>&amp; reservation)</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; -&gt; boost::optional&lt;PeerReservation&gt;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;{</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; boost::optional&lt;PeerReservation&gt; previous;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(mutex_);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keyword">auto</span> hint = table_.find(reservation);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">if</span> (hint != table_.end())</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="comment">// The node already has a reservation. Remove it.</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="comment">// `std::unordered_set` does not have an `insert_or_assign` method,</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="comment">// and sadly makes it impossible for us to implement one efficiently:</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// https://stackoverflow.com/q/49651835/618906</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="comment">// Regardless, we don&#39;t expect this function to be called often, or</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// for the table to be very large, so this less-than-ideal</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="comment">// remove-then-insert is acceptable in order to present a better API.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; previous = *hint;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="comment">// We should pick an adjacent location for the insertion hint.</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="comment">// Decrementing may be illegal if the found reservation is at the</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// beginning. Incrementing is always legal; at worst we&#39;ll point to</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="comment">// the end.</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> deleteme = hint;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; ++hint;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; table_.erase(deleteme);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; table_.insert(hint, reservation);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keyword">auto</span> db = connection_-&gt;checkoutDb();</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; *db &lt;&lt; <span class="stringliteral">&quot;INSERT INTO PeerReservations (PublicKey, Description) &quot;</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="stringliteral">&quot;VALUES (:nodeId, :desc) &quot;</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="stringliteral">&quot;ON CONFLICT (PublicKey) DO UPDATE SET &quot;</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="stringliteral">&quot;Description=excluded.Description&quot;</span>,</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; soci::use(<a class="code" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(<a class="code" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ac3fe5edb1f8a81a8e585f6a27c120be6">TokenType::NodePublic</a>, reservation.nodeId)),</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; soci::use(reservation.description);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">return</span> previous;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;}</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="keyword">auto</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classripple_1_1PeerReservationTable.html#a5fc9c193fca712738b0f850689dd4d17"> 148</a></span>&#160;<a class="code" href="classripple_1_1PeerReservationTable.html#a5fc9c193fca712738b0f850689dd4d17">PeerReservationTable::erase</a>(<a class="code" href="classripple_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; nodeId)</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; -&gt; boost::optional&lt;PeerReservation&gt;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="comment">// These values must be boost::optionals (not std) because SOCI expects</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="comment">// boost::optionals.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; boost::optional&lt;std::string&gt; valPubKey, valDesc;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// We should really abstract the table and column names into constants,</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// but no one else does. Because it is too tedious? It would be easy if we</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment">// had a jOOQ for C++.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; soci::statement st =</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; (db-&gt;prepare &lt;&lt; <span class="stringliteral">&quot;SELECT PublicKey, Description FROM PeerReservations;&quot;</span>,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; soci::into(valPubKey),</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; soci::into(valDesc));</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; st.execute();</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">while</span> (st.fetch())</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">if</span> (!valPubKey || !valDesc)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="comment">// This represents a `NULL` in a `NOT NULL` column. It should be</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="comment">// unreachable.</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> optNodeId =</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; parseBase58&lt;PublicKey&gt;(<a class="code" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ac3fe5edb1f8a81a8e585f6a27c120be6">TokenType::NodePublic</a>, *valPubKey);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">if</span> (!optNodeId)</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; JLOG(<a class="code" href="classripple_1_1PeerReservationTable.html#ad3cc1125e1261ca40c19c3e1ec4ca4e3">journal_</a>.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) &lt;&lt; <span class="stringliteral">&quot;load: not a public key: &quot;</span> &lt;&lt; valPubKey;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.insert(<a class="code" href="structripple_1_1PeerReservation.html">PeerReservation</a>{*optNodeId, *valDesc});</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;}</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PeerReservation&gt;</a></div>
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classripple_1_1PeerReservationTable.html#a0547ec253022c4aeec92f44e09c2a7ac"> 110</a></span>&#160;<a class="code" href="classripple_1_1PeerReservationTable.html#a0547ec253022c4aeec92f44e09c2a7ac">PeerReservationTable::insert_or_assign</a>(<a class="code" href="structripple_1_1PeerReservation.html">PeerReservation</a> <span class="keyword">const</span>&amp; reservation)</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;{</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PeerReservation&gt;</a> previous;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code" href="classripple_1_1PeerReservationTable.html#adf2c2218edfa8006026e49e0c2345dc9">mutex_</a>);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keyword">auto</span> hint = <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.find(reservation);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">if</span> (hint != <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.end())</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="comment">// The node already has a reservation. Remove it.</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="comment">// `std::unordered_set` does not have an `insert_or_assign` method,</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// and sadly makes it impossible for us to implement one efficiently:</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="comment">// https://stackoverflow.com/q/49651835/618906</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// Regardless, we don&#39;t expect this function to be called often, or</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="comment">// for the table to be very large, so this less-than-ideal</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// remove-then-insert is acceptable in order to present a better API.</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; previous = *hint;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="comment">// We should pick an adjacent location for the insertion hint.</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// Decrementing may be illegal if the found reservation is at the</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="comment">// beginning. Incrementing is always legal; at worst we&#39;ll point to</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="comment">// the end.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> deleteme = hint;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; ++hint;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.erase(deleteme);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.insert(hint, reservation);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keyword">auto</span> db = <a class="code" href="classripple_1_1PeerReservationTable.html#ab72fe64226e4e93c9e21d4815fd8ce69">connection_</a>-&gt;<a class="code" href="classripple_1_1DatabaseCon.html#a16c6f729c6462f6200b724543f5c67bc">checkoutDb</a>();</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; *db &lt;&lt; <span class="stringliteral">&quot;INSERT INTO PeerReservations (PublicKey, Description) &quot;</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="stringliteral">&quot;VALUES (:nodeId, :desc) &quot;</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="stringliteral">&quot;ON CONFLICT (PublicKey) DO UPDATE SET &quot;</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="stringliteral">&quot;Description=excluded.Description&quot;</span>,</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; soci::use(<a class="code" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(<a class="code" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ac3fe5edb1f8a81a8e585f6a27c120be6">TokenType::NodePublic</a>, reservation.<a class="code" href="structripple_1_1PeerReservation.html#a10651ffa57f97348d21d5025506b80c0">nodeId</a>)),</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; soci::use(reservation.<a class="code" href="structripple_1_1PeerReservation.html#accd61c843c1698e4296f3c489ef9f9fa">description</a>);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordflow">return</span> previous;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;}</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PeerReservation&gt;</a></div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classripple_1_1PeerReservationTable.html#a86bedfcc95040bbecd5a64f3e56db1bf"> 149</a></span>&#160;<a class="code" href="classripple_1_1PeerReservationTable.html#a86bedfcc95040bbecd5a64f3e56db1bf">PeerReservationTable::erase</a>(<a class="code" href="classripple_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; nodeId)</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;{</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; boost::optional&lt;PeerReservation&gt; previous;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PeerReservation&gt;</a> previous;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(mutex_);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(<a class="code" href="classripple_1_1PeerReservationTable.html#adf2c2218edfa8006026e49e0c2345dc9">mutex_</a>);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> it = table_.find({nodeId});</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">if</span> (it != table_.end())</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> it = <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.find({nodeId});</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">if</span> (it != <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.end())</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; previous = *it;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; table_.erase(it);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keyword">auto</span> db = connection_-&gt;checkoutDb();</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <a class="code" href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">table_</a>.erase(it);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keyword">auto</span> db = <a class="code" href="classripple_1_1PeerReservationTable.html#ab72fe64226e4e93c9e21d4815fd8ce69">connection_</a>-&gt;<a class="code" href="classripple_1_1DatabaseCon.html#a16c6f729c6462f6200b724543f5c67bc">checkoutDb</a>();</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; *db &lt;&lt; <span class="stringliteral">&quot;DELETE FROM PeerReservations WHERE PublicKey = :nodeId&quot;</span>,</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; soci::use(<a class="code" href="namespaceripple.html#a08a13b62b18272366f788632359e8793">toBase58</a>(<a class="code" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ac3fe5edb1f8a81a8e585f6a27c120be6">TokenType::NodePublic</a>, nodeId));</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
@@ -238,36 +238,37 @@ $(function() {
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;} <span class="comment">// namespace ripple</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a7a24a50cab3b44c7842d6a03a3c07e63"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">ripple::PeerReservationTable::table_</a></div><div class="ttdeci">std::unordered_set&lt; PeerReservation, beast::uhash&lt;&gt;, KeyEqual &gt; table_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00121">PeerReservationTable.h:121</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a86bedfcc95040bbecd5a64f3e56db1bf"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a86bedfcc95040bbecd5a64f3e56db1bf">ripple::PeerReservationTable::erase</a></div><div class="ttdeci">std::optional&lt; PeerReservation &gt; erase(PublicKey const &amp;nodeId)</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8cpp_source.html#l00149">PeerReservationTable.cpp:149</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a7a24a50cab3b44c7842d6a03a3c07e63"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a7a24a50cab3b44c7842d6a03a3c07e63">ripple::PeerReservationTable::table_</a></div><div class="ttdeci">std::unordered_set&lt; PeerReservation, beast::uhash&lt;&gt;, KeyEqual &gt; table_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00120">PeerReservationTable.h:120</a></div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/vector.html">vector</a></div></div>
<div class="ttc" id="aback_inserter_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/back_inserter.html">std::back_inserter</a></div><div class="ttdeci">T back_inserter(T... args)</div></div>
<div class="ttc" id="aiterator_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/iterator.html">iterator</a></div></div>
<div class="ttc" id="anamespaceripple_html_a08a13b62b18272366f788632359e8793"><div class="ttname"><a href="namespaceripple.html#a08a13b62b18272366f788632359e8793">ripple::toBase58</a></div><div class="ttdeci">std::string toBase58(AccountID const &amp;v)</div><div class="ttdoc">Convert AccountID to base58 checked string.</div><div class="ttdef"><b>Definition:</b> <a href="AccountID_8cpp_source.html#l00029">AccountID.cpp:29</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_ad8fefe3e8ad583e1ed1bf02094ac3d8f"><div class="ttname"><a href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">beast::Journal::warn</a></div><div class="ttdeci">Stream warn() 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="alock_guard_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_ab72fe64226e4e93c9e21d4815fd8ce69"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#ab72fe64226e4e93c9e21d4815fd8ce69">ripple::PeerReservationTable::connection_</a></div><div class="ttdeci">DatabaseCon * connection_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00120">PeerReservationTable.h:120</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_ab72fe64226e4e93c9e21d4815fd8ce69"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#ab72fe64226e4e93c9e21d4815fd8ce69">ripple::PeerReservationTable::connection_</a></div><div class="ttdeci">DatabaseCon * connection_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00119">PeerReservationTable.h:119</a></div></div>
<div class="ttc" id="astructripple_1_1PeerReservation_html_aa9876a2a4c21a9c36b87aa71cfb60b51"><div class="ttname"><a href="structripple_1_1PeerReservation.html#aa9876a2a4c21a9c36b87aa71cfb60b51">ripple::PeerReservation::toJson</a></div><div class="ttdeci">auto toJson() const -&gt; Json::Value</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8cpp_source.html#l00039">PeerReservationTable.cpp:39</a></div></div>
<div class="ttc" id="asort_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a></div><div class="ttdeci">T sort(T... args)</div></div>
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a5fc9c193fca712738b0f850689dd4d17"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a5fc9c193fca712738b0f850689dd4d17">ripple::PeerReservationTable::erase</a></div><div class="ttdeci">auto erase(PublicKey const &amp;nodeId) -&gt; boost::optional&lt; PeerReservation &gt;</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8cpp_source.html#l00148">PeerReservationTable.cpp:148</a></div></div>
<div class="ttc" id="anamespaceJson_html"><div class="ttname"><a href="namespaceJson.html">Json</a></div><div class="ttdoc">JSON (JavaScript Object Notation).</div><div class="ttdef"><b>Definition:</b> <a href="json__reader_8cpp_source.html#l00027">json_reader.cpp:27</a></div></div>
<div class="ttc" id="aclassripple_1_1DatabaseCon_html_a16c6f729c6462f6200b724543f5c67bc"><div class="ttname"><a href="classripple_1_1DatabaseCon.html#a16c6f729c6462f6200b724543f5c67bc">ripple::DatabaseCon::checkoutDb</a></div><div class="ttdeci">LockedSociSession checkoutDb()</div><div class="ttdef"><b>Definition:</b> <a href="DatabaseCon_8h_source.html#l00178">DatabaseCon.h:178</a></div></div>
<div class="ttc" id="anamespaceJson_html_a7d654b75c16a57007925868e38212b4eae8386dcfc36d1ae897745f7b4f77a1f6"><div class="ttname"><a href="namespaceJson.html#a7d654b75c16a57007925868e38212b4eae8386dcfc36d1ae897745f7b4f77a1f6">Json::objectValue</a></div><div class="ttdeci">@ objectValue</div><div class="ttdoc">object value (collection of name/value pairs).</div><div class="ttdef"><b>Definition:</b> <a href="json__value_8h_source.html#l00043">json_value.h:43</a></div></div>
<div class="ttc" id="astructripple_1_1PeerReservation_html_a10651ffa57f97348d21d5025506b80c0"><div class="ttname"><a href="structripple_1_1PeerReservation.html#a10651ffa57f97348d21d5025506b80c0">ripple::PeerReservation::nodeId</a></div><div class="ttdeci">PublicKey nodeId</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00046">PeerReservationTable.h:46</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_ad3cc1125e1261ca40c19c3e1ec4ca4e3"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#ad3cc1125e1261ca40c19c3e1ec4ca4e3">ripple::PeerReservationTable::journal_</a></div><div class="ttdeci">beast::Journal journal_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00118">PeerReservationTable.h:118</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_ad3cc1125e1261ca40c19c3e1ec4ca4e3"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#ad3cc1125e1261ca40c19c3e1ec4ca4e3">ripple::PeerReservationTable::journal_</a></div><div class="ttdeci">beast::Journal journal_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00117">PeerReservationTable.h:117</a></div></div>
<div class="ttc" id="aclassripple_1_1PublicKey_html"><div class="ttname"><a href="classripple_1_1PublicKey.html">ripple::PublicKey</a></div><div class="ttdoc">A public key.</div><div class="ttdef"><b>Definition:</b> <a href="PublicKey_8h_source.html#l00059">PublicKey.h:59</a></div></div>
<div class="ttc" id="acopy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a></div><div class="ttdeci">T copy(T... args)</div></div>
<div class="ttc" id="astructripple_1_1PeerReservation_html"><div class="ttname"><a href="structripple_1_1PeerReservation.html">ripple::PeerReservation</a></div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00043">PeerReservationTable.h:43</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="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_adf2c2218edfa8006026e49e0c2345dc9"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#adf2c2218edfa8006026e49e0c2345dc9">ripple::PeerReservationTable::mutex_</a></div><div class="ttdeci">std::mutex mutex_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00119">PeerReservationTable.h:119</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_adf2c2218edfa8006026e49e0c2345dc9"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#adf2c2218edfa8006026e49e0c2345dc9">ripple::PeerReservationTable::mutex_</a></div><div class="ttdeci">std::mutex mutex_</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00118">PeerReservationTable.h:118</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a77e9fa92a8c49eb82d5249433c19c475"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a77e9fa92a8c49eb82d5249433c19c475">ripple::PeerReservationTable::list</a></div><div class="ttdeci">std::vector&lt; PeerReservation &gt; list() const</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8cpp_source.html#l00051">PeerReservationTable.cpp:51</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="aclassripple_1_1DatabaseCon_html"><div class="ttname"><a href="classripple_1_1DatabaseCon.html">ripple::DatabaseCon</a></div><div class="ttdef"><b>Definition:</b> <a href="DatabaseCon_8h_source.html#l00081">DatabaseCon.h:81</a></div></div>
<div class="ttc" id="aempty_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/empty.html">std::string::empty</a></div><div class="ttdeci">T empty(T... args)</div></div>
<div class="ttc" id="anamespaceripple_html_a1bf8df553d36589191c8057c136cce03ac3fe5edb1f8a81a8e585f6a27c120be6"><div class="ttname"><a href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03ac3fe5edb1f8a81a8e585f6a27c120be6">ripple::TokenType::NodePublic</a></div><div class="ttdeci">@ NodePublic</div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
<div class="ttc" id="amutex_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/mutex.html">mutex</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a0547ec253022c4aeec92f44e09c2a7ac"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a0547ec253022c4aeec92f44e09c2a7ac">ripple::PeerReservationTable::insert_or_assign</a></div><div class="ttdeci">std::optional&lt; PeerReservation &gt; insert_or_assign(PeerReservation const &amp;reservation)</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8cpp_source.html#l00110">PeerReservationTable.cpp:110</a></div></div>
<div class="ttc" id="astructripple_1_1PeerReservation_html_accd61c843c1698e4296f3c489ef9f9fa"><div class="ttname"><a href="structripple_1_1PeerReservation.html#accd61c843c1698e4296f3c489ef9f9fa">ripple::PeerReservation::description</a></div><div class="ttdeci">std::string description</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8h_source.html#l00047">PeerReservationTable.h:47</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a9af0f18b3a4fe658d70d48adee578486"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a9af0f18b3a4fe658d70d48adee578486">ripple::PeerReservationTable::insert_or_assign</a></div><div class="ttdeci">auto insert_or_assign(PeerReservation const &amp;reservation) -&gt; boost::optional&lt; PeerReservation &gt;</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8cpp_source.html#l00108">PeerReservationTable.cpp:108</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerReservationTable_html_a9a6fc4cc792f884ab4ff94ef1999cdcb"><div class="ttname"><a href="classripple_1_1PeerReservationTable.html#a9a6fc4cc792f884ab4ff94ef1999cdcb">ripple::PeerReservationTable::load</a></div><div class="ttdeci">bool load(DatabaseCon &amp;connection)</div><div class="ttdef"><b>Definition:</b> <a href="PeerReservationTable_8cpp_source.html#l00070">PeerReservationTable.cpp:70</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#l00145">json_value.h:145</a></div></div>
<div class="ttc" id="astring_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/string.html">string</a></div></div>