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<div class="title">LegacyPathFind.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright (c) 2012-2014 Ripple Labs Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;ripple/app/main/Application.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;ripple/app/misc/LoadFeeTrack.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;ripple/core/Job.h&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;ripple/core/JobQueue.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;ripple/rpc/impl/LegacyPathFind.h&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;ripple/rpc/impl/Tuning.h&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">namespace </span>RPC {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="classripple_1_1RPC_1_1LegacyPathFind.html#a51f4e56f9d12978367607c8673af8e2f"> 30</a></span>&#160;<a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a51f4e56f9d12978367607c8673af8e2f">LegacyPathFind::LegacyPathFind</a>(<span class="keywordtype">bool</span> <a class="code" href="namespaceripple.html#a4267716481f84b7fd7ea521266fa9ef8">isAdmin</a>, <a class="code" href="classripple_1_1Application.html">Application</a>&amp; app) : m_isOk(false)</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;{</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a4267716481f84b7fd7ea521266fa9ef8">isAdmin</a>)</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; ++<a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a36ca93c8f2bfe3f8e7aa334e1c890a59">inProgress</a>;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a6df3d799211eb6828730a470c8aa0e21">m_isOk</a> = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span>&amp; jobCount = app.<a class="code" href="classripple_1_1Application.html#a860be08979e27d8c6f37f722f996ba6c">getJobQueue</a>().<a class="code" href="classripple_1_1JobQueue.html#a685aca6c37cce283d45467ce5c918806">getJobCountGE</a>(<a class="code" href="namespaceripple.html#ae0f54f8ce649d639bf3e2b295347e17aad3afa64002a7625b44814318856804e9">jtCLIENT</a>);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">if</span> (jobCount &gt; <a class="code" href="namespaceripple_1_1RPC_1_1Tuning.html#aa076d0c2c77361a09d34a736c58acfd1">Tuning::maxPathfindJobCount</a> ||</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; app.<a class="code" href="classripple_1_1Application.html#a426bdbb87f6dc2082cf6f418526901cb">getFeeTrack</a>().<a class="code" href="classripple_1_1LoadFeeTrack.html#a7654f33d98c38af33f47c6b0739eedec">isLoadedLocal</a>())</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">int</span> prevVal = <a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a36ca93c8f2bfe3f8e7aa334e1c890a59">inProgress</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/load.html">load</a>();</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">if</span> (prevVal &gt;= <a class="code" href="namespaceripple_1_1RPC_1_1Tuning.html#a08629e2f26262f22c2bd696137619000">Tuning::maxPathfindsInProgress</a>)</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a36ca93c8f2bfe3f8e7aa334e1c890a59">inProgress</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/atomic/atomic/compare_exchange.html">compare_exchange_strong</a>(</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; prevVal,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; prevVal + 1,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; std::memory_order_release,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; std::memory_order_relaxed))</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a6df3d799211eb6828730a470c8aa0e21">m_isOk</a> = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;}</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classripple_1_1RPC_1_1LegacyPathFind.html#aec8bb986ae3bd8635aac78ab4dbd5309"> 62</a></span>&#160;<a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#aec8bb986ae3bd8635aac78ab4dbd5309">LegacyPathFind::~LegacyPathFind</a>()</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;{</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a6df3d799211eb6828730a470c8aa0e21">m_isOk</a>)</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; --<a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a36ca93c8f2bfe3f8e7aa334e1c890a59">inProgress</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;}</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/atomic/atomic.html">std::atomic&lt;int&gt;</a> <a class="code" href="classripple_1_1RPC_1_1LegacyPathFind.html#a36ca93c8f2bfe3f8e7aa334e1c890a59">LegacyPathFind::inProgress</a>(0);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;} <span class="comment">// namespace RPC</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;} <span class="comment">// namespace ripple</span></div>
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<div class="ttc" id="anamespaceripple_html_a4267716481f84b7fd7ea521266fa9ef8"><div class="ttname"><a href="namespaceripple.html#a4267716481f84b7fd7ea521266fa9ef8">ripple::isAdmin</a></div><div class="ttdeci">bool isAdmin(Port const &amp;port, Json::Value const &amp;params, beast::IP::Address const &amp;remoteIp)</div><div class="ttdef"><b>Definition:</b> <a href="Role_8cpp_source.html#l00084">Role.cpp:84</a></div></div>
<div class="ttc" id="aclassripple_1_1RPC_1_1LegacyPathFind_html_a51f4e56f9d12978367607c8673af8e2f"><div class="ttname"><a href="classripple_1_1RPC_1_1LegacyPathFind.html#a51f4e56f9d12978367607c8673af8e2f">ripple::RPC::LegacyPathFind::LegacyPathFind</a></div><div class="ttdeci">LegacyPathFind(bool isAdmin, Application &amp;app)</div><div class="ttdef"><b>Definition:</b> <a href="LegacyPathFind_8cpp_source.html#l00030">LegacyPathFind.cpp:30</a></div></div>
<div class="ttc" id="aclassripple_1_1Application_html"><div class="ttname"><a href="classripple_1_1Application.html">ripple::Application</a></div><div class="ttdef"><b>Definition:</b> <a href="Application_8h_source.html#l00115">Application.h:115</a></div></div>
<div class="ttc" id="anamespaceripple_html_ae0f54f8ce649d639bf3e2b295347e17aad3afa64002a7625b44814318856804e9"><div class="ttname"><a href="namespaceripple.html#ae0f54f8ce649d639bf3e2b295347e17aad3afa64002a7625b44814318856804e9">ripple::jtCLIENT</a></div><div class="ttdeci">@ jtCLIENT</div><div class="ttdef"><b>Definition:</b> <a href="Job_8h_source.html#l00045">Job.h:45</a></div></div>
<div class="ttc" id="aclassripple_1_1RPC_1_1LegacyPathFind_html_a36ca93c8f2bfe3f8e7aa334e1c890a59"><div class="ttname"><a href="classripple_1_1RPC_1_1LegacyPathFind.html#a36ca93c8f2bfe3f8e7aa334e1c890a59">ripple::RPC::LegacyPathFind::inProgress</a></div><div class="ttdeci">static std::atomic&lt; int &gt; inProgress</div><div class="ttdef"><b>Definition:</b> <a href="LegacyPathFind_8h_source.html#l00044">LegacyPathFind.h:44</a></div></div>
<div class="ttc" id="acompare_exchange_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/atomic/atomic/compare_exchange.html">std::atomic::compare_exchange_strong</a></div><div class="ttdeci">T compare_exchange_strong(T... args)</div></div>
<div class="ttc" id="aclassripple_1_1RPC_1_1LegacyPathFind_html_aec8bb986ae3bd8635aac78ab4dbd5309"><div class="ttname"><a href="classripple_1_1RPC_1_1LegacyPathFind.html#aec8bb986ae3bd8635aac78ab4dbd5309">ripple::RPC::LegacyPathFind::~LegacyPathFind</a></div><div class="ttdeci">~LegacyPathFind()</div><div class="ttdef"><b>Definition:</b> <a href="LegacyPathFind_8cpp_source.html#l00062">LegacyPathFind.cpp:62</a></div></div>
<div class="ttc" id="aclassripple_1_1Application_html_a426bdbb87f6dc2082cf6f418526901cb"><div class="ttname"><a href="classripple_1_1Application.html#a426bdbb87f6dc2082cf6f418526901cb">ripple::Application::getFeeTrack</a></div><div class="ttdeci">virtual LoadFeeTrack &amp; getFeeTrack()=0</div></div>
<div class="ttc" id="aclassripple_1_1LoadFeeTrack_html_a7654f33d98c38af33f47c6b0739eedec"><div class="ttname"><a href="classripple_1_1LoadFeeTrack.html#a7654f33d98c38af33f47c6b0739eedec">ripple::LoadFeeTrack::isLoadedLocal</a></div><div class="ttdeci">bool isLoadedLocal() const</div><div class="ttdef"><b>Definition:</b> <a href="LoadFeeTrack_8h_source.html#l00126">LoadFeeTrack.h:126</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="aclassripple_1_1RPC_1_1LegacyPathFind_html_a6df3d799211eb6828730a470c8aa0e21"><div class="ttname"><a href="classripple_1_1RPC_1_1LegacyPathFind.html#a6df3d799211eb6828730a470c8aa0e21">ripple::RPC::LegacyPathFind::m_isOk</a></div><div class="ttdeci">bool m_isOk</div><div class="ttdef"><b>Definition:</b> <a href="LegacyPathFind_8h_source.html#l00046">LegacyPathFind.h:46</a></div></div>
<div class="ttc" id="anamespaceripple_1_1RPC_1_1Tuning_html_aa076d0c2c77361a09d34a736c58acfd1"><div class="ttname"><a href="namespaceripple_1_1RPC_1_1Tuning.html#aa076d0c2c77361a09d34a736c58acfd1">ripple::RPC::Tuning::maxPathfindJobCount</a></div><div class="ttdeci">static constexpr int maxPathfindJobCount</div><div class="ttdef"><b>Definition:</b> <a href="rpc_2impl_2Tuning_8h_source.html#l00057">rpc/impl/Tuning.h:57</a></div></div>
<div class="ttc" id="aclassripple_1_1Application_html_a860be08979e27d8c6f37f722f996ba6c"><div class="ttname"><a href="classripple_1_1Application.html#a860be08979e27d8c6f37f722f996ba6c">ripple::Application::getJobQueue</a></div><div class="ttdeci">virtual JobQueue &amp; getJobQueue()=0</div></div>
<div class="ttc" id="aatomic_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/atomic/atomic.html">std::atomic&lt; int &gt;</a></div></div>
<div class="ttc" id="aclassripple_1_1JobQueue_html_a685aca6c37cce283d45467ce5c918806"><div class="ttname"><a href="classripple_1_1JobQueue.html#a685aca6c37cce283d45467ce5c918806">ripple::JobQueue::getJobCountGE</a></div><div class="ttdeci">int getJobCountGE(JobType t) const</div><div class="ttdoc">All waiting jobs at or greater than this priority.</div><div class="ttdef"><b>Definition:</b> <a href="JobQueue_8cpp_source.html#l00148">JobQueue.cpp:148</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="anamespaceripple_1_1RPC_1_1Tuning_html_a08629e2f26262f22c2bd696137619000"><div class="ttname"><a href="namespaceripple_1_1RPC_1_1Tuning.html#a08629e2f26262f22c2bd696137619000">ripple::RPC::Tuning::maxPathfindsInProgress</a></div><div class="ttdeci">static constexpr int maxPathfindsInProgress</div><div class="ttdef"><b>Definition:</b> <a href="rpc_2impl_2Tuning_8h_source.html#l00056">rpc/impl/Tuning.h:56</a></div></div>
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