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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_89046728185f0c274a4164d3e2cb38fb.html">peerfinder</a></li><li class="navelem"><a class="el" href="dir_e9607b4c59cebecf2224e361d8d6d362.html">detail</a></li> </ul>
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<div class="headertitle"><div class="title">SlotImp.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/peerfinder/PeerfinderManager.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;xrpld/peerfinder/detail/SlotImp.h&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;xrpld/peerfinder/detail/Tuning.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">namespace </span>PeerFinder {</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="foldopen" id="foldopen00027" data-start="{" data-end="}">
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp.html#a730f9c667421d5c1b7c8f033f3508cbb"> 27</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp.html#a730f9c667421d5c1b7c8f033f3508cbb">SlotImp::SlotImp</a>(</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <a class="code hl_class" href="classbeast_1_1IP_1_1Endpoint.html">beast::IP::Endpoint</a> <span class="keyword">const</span>&amp; local_endpoint,</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <a class="code hl_class" href="classbeast_1_1IP_1_1Endpoint.html">beast::IP::Endpoint</a> <span class="keyword">const</span>&amp; remote_endpoint,</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordtype">bool</span> fixed,</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <a class="code hl_class" href="classbeast_1_1abstract__clock.html">clock_type</a>&amp; clock)</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> : recent(clock)</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> , m_inbound(true)</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> , m_fixed(fixed)</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> , m_reserved(false)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> , m_state(accept)</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> , m_remote_endpoint(remote_endpoint)</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> , m_local_endpoint(local_endpoint)</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> , m_listening_port(unknownPort)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> , checked(false)</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> , canAccept(false)</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> , connectivityCheckInProgress(false)</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>{</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>}</div>
</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="foldopen" id="foldopen00046" data-start="{" data-end="}">
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp.html#a79ce933a1c52c4ee486fef2811ee3de1"> 46</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp.html#a730f9c667421d5c1b7c8f033f3508cbb">SlotImp::SlotImp</a>(</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <a class="code hl_class" href="classbeast_1_1IP_1_1Endpoint.html">beast::IP::Endpoint</a> <span class="keyword">const</span>&amp; remote_endpoint,</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">bool</span> fixed,</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <a class="code hl_class" href="classbeast_1_1abstract__clock.html">clock_type</a>&amp; clock)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> : recent(clock)</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> , m_inbound(false)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> , m_fixed(fixed)</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> , m_reserved(false)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> , m_state(connect)</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> , m_remote_endpoint(remote_endpoint)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> , m_listening_port(unknownPort)</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> , checked(true)</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> , canAccept(true)</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> , connectivityCheckInProgress(false)</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>}</div>
</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00064" data-start="{" data-end="}">
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp.html#a3eaedbc7346bbe3a31a9588dc8506fe9"> 64</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp.html#ab05ca3e1236ac84b172b6f49fb66de52">SlotImp::state</a>(<a class="code hl_enumeration" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1fe">State</a> state_)</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="comment">// Must go through activate() to set active state</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> state_ != <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feac795f97229ae813282d51a668a48df57">active</a>,</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="stringliteral">&quot;ripple::PeerFinder::SlotImp::state : input state is not active&quot;</span>);</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="comment">// The state must be different</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> state_ != <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">m_state</a>,</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="stringliteral">&quot;ripple::PeerFinder::SlotImp::state : input state is different from &quot;</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="stringliteral">&quot;current&quot;</span>);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// You can&#39;t transition into the initial states</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> state_ != <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feac87de6c1eb1061049de480db7712dc54">accept</a> &amp;&amp; state_ != <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feaabad7159e651d717b0c7d100c507d2b2">connect</a>,</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="stringliteral">&quot;ripple::PeerFinder::SlotImp::state : input state is not an initial&quot;</span>);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// Can only become connected from outbound connect state</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> state_ != <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1fea488267e5b4e7d9c0602ed78161301ded">connected</a> || (!<a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#a0114ae91074f0c4ff22fac5d98fe0d60">m_inbound</a> &amp;&amp; <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">m_state</a> == <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feaabad7159e651d717b0c7d100c507d2b2">connect</a>),</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="stringliteral">&quot;ripple::PeerFinder::SlotImp::state : input state is not connected an &quot;</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="stringliteral">&quot;invalid state&quot;</span>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// Can&#39;t gracefully close on an outbound connection attempt</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> state_ != <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1fea6e8b8dbe8eae258de16200a7a3625726">closing</a> || <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">m_state</a> != <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feaabad7159e651d717b0c7d100c507d2b2">connect</a>,</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="stringliteral">&quot;ripple::PeerFinder::SlotImp::state : input state is not closing an &quot;</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="stringliteral">&quot;invalid state&quot;</span>);</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> <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">m_state</a> = state_;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00098" data-start="{" data-end="}">
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp.html#a612a0b488db6ae33b07a725508383636"> 98</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp.html#a612a0b488db6ae33b07a725508383636">SlotImp::activate</a>(<a class="code hl_typedef" href="classbeast_1_1abstract__clock.html#a4e16832b0bdf9392c5138bbbde024d8e">clock_type::time_point</a> <span class="keyword">const</span>&amp; now)</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span>{</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// Can only become active from the accept or connected state</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">m_state</a> == <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feac87de6c1eb1061049de480db7712dc54">accept</a> || <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">m_state</a> == <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1fea488267e5b4e7d9c0602ed78161301ded">connected</a>,</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="stringliteral">&quot;ripple::PeerFinder::SlotImp::activate : valid state&quot;</span>);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">m_state</a> = <a class="code hl_enumvalue" href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feac795f97229ae813282d51a668a48df57">active</a>;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <a class="code hl_variable" href="classripple_1_1PeerFinder_1_1SlotImp.html#ab1fd53bb8647951a8d95a97e536bd65e">whenAcceptEndpoints</a> = now;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1Slot.html#ab74dc02fff51cd2d959e40c3ad241772">Slot::~Slot</a>() = <span class="keywordflow">default</span>;</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><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="foldopen" id="foldopen00115" data-start="{" data-end="}">
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#a3c7d8089093e513b3f426f8059826901"> 115</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#a3c7d8089093e513b3f426f8059826901">SlotImp::recent_t::recent_t</a>(<a class="code hl_class" href="classbeast_1_1abstract__clock.html">clock_type</a>&amp; clock) : cache(clock)</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>{</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span>}</div>
</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><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00120" data-start="{" data-end="}">
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#adeb37a9344fa2f87ba68485bc4842558"> 120</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#adeb37a9344fa2f87ba68485bc4842558">SlotImp::recent_t::insert</a>(<a class="code hl_class" href="classbeast_1_1IP_1_1Endpoint.html">beast::IP::Endpoint</a> <span class="keyword">const</span>&amp; ep, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> hops)</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span>{</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">auto</span> <span class="keyword">const</span> result(cache.emplace(ep, hops));</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">if</span> (!result.second)</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> {</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// NOTE Other logic depends on this &lt;= inequality.</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (hops &lt;= result.first-&gt;second)</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> {</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> result.first-&gt;second = hops;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> cache.touch(result.first);</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"> 132</span>}</div>
</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="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00135" data-start="{" data-end="}">
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#a9edb0da1c4fa6d4c395eae05e08aae8a"> 135</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#a9edb0da1c4fa6d4c395eae05e08aae8a">SlotImp::recent_t::filter</a>(<a class="code hl_class" href="classbeast_1_1IP_1_1Endpoint.html">beast::IP::Endpoint</a> <span class="keyword">const</span>&amp; ep, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> hops)</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span>{</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">auto</span> <span class="keyword">const</span> iter(cache.find(ep));</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (iter == cache.end())</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// We avoid sending an endpoint if we heard it</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// from them recently at the same or lower hop count.</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// NOTE Other logic depends on this &lt;= inequality.</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> iter-&gt;second &lt;= hops;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>}</div>
</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00147" data-start="{" data-end="}">
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#aa51c8ffe7a51c98cbf178690755e0469"> 147</a></span><a class="code hl_function" href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#aa51c8ffe7a51c98cbf178690755e0469">SlotImp::recent_t::expire</a>()</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> <a class="code hl_function" href="namespacebeast.html#abb430a45381177561de02886079786ad">beast::expire</a>(cache, <a class="code hl_function" href="namespaceripple_1_1PeerFinder_1_1Tuning.html#ac461aff7667274114c828eee9d375539">Tuning::liveCacheSecondsToLive</a>);</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span>}</div>
</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>} <span class="comment">// namespace PeerFinder</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="aclassbeast_1_1IP_1_1Endpoint_html"><div class="ttname"><a href="classbeast_1_1IP_1_1Endpoint.html">beast::IP::Endpoint</a></div><div class="ttdoc">A version-independent IP address and port combination.</div><div class="ttdef"><b>Definition</b> <a href="IPEndpoint_8h_source.html#l00037">IPEndpoint.h:38</a></div></div>
<div class="ttc" id="aclassbeast_1_1abstract__clock_html"><div class="ttname"><a href="classbeast_1_1abstract__clock.html">beast::abstract_clock&lt; std::chrono::steady_clock &gt;</a></div></div>
<div class="ttc" id="aclassbeast_1_1abstract__clock_html_a4e16832b0bdf9392c5138bbbde024d8e"><div class="ttname"><a href="classbeast_1_1abstract__clock.html#a4e16832b0bdf9392c5138bbbde024d8e">beast::abstract_clock&lt; std::chrono::steady_clock &gt;::time_point</a></div><div class="ttdeci">typename Clock::time_point time_point</div><div class="ttdef"><b>Definition</b> <a href="abstract__clock_8h_source.html#l00060">abstract_clock.h:60</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_1_1recent__t_html_a3c7d8089093e513b3f426f8059826901"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#a3c7d8089093e513b3f426f8059826901">ripple::PeerFinder::SlotImp::recent_t::recent_t</a></div><div class="ttdeci">recent_t(clock_type &amp;clock)</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8cpp_source.html#l00115">SlotImp.cpp:115</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_1_1recent__t_html_a9edb0da1c4fa6d4c395eae05e08aae8a"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#a9edb0da1c4fa6d4c395eae05e08aae8a">ripple::PeerFinder::SlotImp::recent_t::filter</a></div><div class="ttdeci">bool filter(beast::IP::Endpoint const &amp;ep, std::uint32_t hops)</div><div class="ttdoc">Returns true if we should not send endpoint to the slot.</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8cpp_source.html#l00135">SlotImp.cpp:135</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_1_1recent__t_html_aa51c8ffe7a51c98cbf178690755e0469"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#aa51c8ffe7a51c98cbf178690755e0469">ripple::PeerFinder::SlotImp::recent_t::expire</a></div><div class="ttdeci">void expire()</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8cpp_source.html#l00147">SlotImp.cpp:147</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_1_1recent__t_html_adeb37a9344fa2f87ba68485bc4842558"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp_1_1recent__t.html#adeb37a9344fa2f87ba68485bc4842558">ripple::PeerFinder::SlotImp::recent_t::insert</a></div><div class="ttdeci">void insert(beast::IP::Endpoint const &amp;ep, std::uint32_t hops)</div><div class="ttdoc">Called for each valid endpoint received for a slot.</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8cpp_source.html#l00120">SlotImp.cpp:120</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_html_a0114ae91074f0c4ff22fac5d98fe0d60"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp.html#a0114ae91074f0c4ff22fac5d98fe0d60">ripple::PeerFinder::SlotImp::m_inbound</a></div><div class="ttdeci">bool const m_inbound</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8h_source.html#l00177">SlotImp.h:177</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_html_a612a0b488db6ae33b07a725508383636"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp.html#a612a0b488db6ae33b07a725508383636">ripple::PeerFinder::SlotImp::activate</a></div><div class="ttdeci">void activate(clock_type::time_point const &amp;now)</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8cpp_source.html#l00098">SlotImp.cpp:98</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_html_a730f9c667421d5c1b7c8f033f3508cbb"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp.html#a730f9c667421d5c1b7c8f033f3508cbb">ripple::PeerFinder::SlotImp::SlotImp</a></div><div class="ttdeci">SlotImp(beast::IP::Endpoint const &amp;local_endpoint, beast::IP::Endpoint const &amp;remote_endpoint, bool fixed, clock_type &amp;clock)</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8cpp_source.html#l00027">SlotImp.cpp:27</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_html_ab05ca3e1236ac84b172b6f49fb66de52"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp.html#ab05ca3e1236ac84b172b6f49fb66de52">ripple::PeerFinder::SlotImp::state</a></div><div class="ttdeci">State state() const override</div><div class="ttdoc">Returns the state of the connection.</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8h_source.html#l00071">SlotImp.h:71</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_html_ab1fd53bb8647951a8d95a97e536bd65e"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp.html#ab1fd53bb8647951a8d95a97e536bd65e">ripple::PeerFinder::SlotImp::whenAcceptEndpoints</a></div><div class="ttdeci">clock_type::time_point whenAcceptEndpoints</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8h_source.html#l00207">SlotImp.h:207</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1SlotImp_html_ad4eeb57b9bf2bc0c62196f2fb89ca902"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1SlotImp.html#ad4eeb57b9bf2bc0c62196f2fb89ca902">ripple::PeerFinder::SlotImp::m_state</a></div><div class="ttdeci">State m_state</div><div class="ttdef"><b>Definition</b> <a href="SlotImp_8h_source.html#l00180">SlotImp.h:180</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1Slot_html_ab74dc02fff51cd2d959e40c3ad241772"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1Slot.html#ab74dc02fff51cd2d959e40c3ad241772">ripple::PeerFinder::Slot::~Slot</a></div><div class="ttdeci">virtual ~Slot()=0</div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1Slot_html_aef66a8665535aa45b5b8a628be9bc1fe"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1fe">ripple::PeerFinder::Slot::State</a></div><div class="ttdeci">State</div><div class="ttdef"><b>Definition</b> <a href="peerfinder_2Slot_8h_source.html#l00037">peerfinder/Slot.h:37</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1Slot_html_aef66a8665535aa45b5b8a628be9bc1fea488267e5b4e7d9c0602ed78161301ded"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1fea488267e5b4e7d9c0602ed78161301ded">ripple::PeerFinder::Slot::connected</a></div><div class="ttdeci">@ connected</div><div class="ttdef"><b>Definition</b> <a href="peerfinder_2Slot_8h_source.html#l00037">peerfinder/Slot.h:37</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1Slot_html_aef66a8665535aa45b5b8a628be9bc1fea6e8b8dbe8eae258de16200a7a3625726"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1fea6e8b8dbe8eae258de16200a7a3625726">ripple::PeerFinder::Slot::closing</a></div><div class="ttdeci">@ closing</div><div class="ttdef"><b>Definition</b> <a href="peerfinder_2Slot_8h_source.html#l00037">peerfinder/Slot.h:37</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1Slot_html_aef66a8665535aa45b5b8a628be9bc1feaabad7159e651d717b0c7d100c507d2b2"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feaabad7159e651d717b0c7d100c507d2b2">ripple::PeerFinder::Slot::connect</a></div><div class="ttdeci">@ connect</div><div class="ttdef"><b>Definition</b> <a href="peerfinder_2Slot_8h_source.html#l00037">peerfinder/Slot.h:37</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1Slot_html_aef66a8665535aa45b5b8a628be9bc1feac795f97229ae813282d51a668a48df57"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feac795f97229ae813282d51a668a48df57">ripple::PeerFinder::Slot::active</a></div><div class="ttdeci">@ active</div><div class="ttdef"><b>Definition</b> <a href="peerfinder_2Slot_8h_source.html#l00037">peerfinder/Slot.h:37</a></div></div>
<div class="ttc" id="aclassripple_1_1PeerFinder_1_1Slot_html_aef66a8665535aa45b5b8a628be9bc1feac87de6c1eb1061049de480db7712dc54"><div class="ttname"><a href="classripple_1_1PeerFinder_1_1Slot.html#aef66a8665535aa45b5b8a628be9bc1feac87de6c1eb1061049de480db7712dc54">ripple::PeerFinder::Slot::accept</a></div><div class="ttdeci">@ accept</div><div class="ttdef"><b>Definition</b> <a href="peerfinder_2Slot_8h_source.html#l00037">peerfinder/Slot.h:37</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="anamespacebeast_html_abb430a45381177561de02886079786ad"><div class="ttname"><a href="namespacebeast.html#abb430a45381177561de02886079786ad">beast::expire</a></div><div class="ttdeci">std::enable_if&lt; is_aged_container&lt; AgedContainer &gt;::value, std::size_t &gt;::type expire(AgedContainer &amp;c, std::chrono::duration&lt; Rep, Period &gt; const &amp;age)</div><div class="ttdoc">Expire aged container items past the specified age.</div><div class="ttdef"><b>Definition</b> <a href="aged__container__utility_8h_source.html#l00034">aged_container_utility.h:34</a></div></div>
<div class="ttc" id="anamespaceripple_1_1PeerFinder_1_1Tuning_html_ac461aff7667274114c828eee9d375539"><div class="ttname"><a href="namespaceripple_1_1PeerFinder_1_1Tuning.html#ac461aff7667274114c828eee9d375539">ripple::PeerFinder::Tuning::liveCacheSecondsToLive</a></div><div class="ttdeci">std::chrono::seconds constexpr liveCacheSecondsToLive(30)</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#l00025">algorithm.h:25</a></div></div>
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