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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_c69db3203fa08a9ff994909ba6ee9783.html">app</a></li><li class="navelem"><a class="el" href="dir_7899ad0c658a3b97a951171682eee0fc.html">ledger</a></li> </ul>
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<div class="headertitle"><div class="title">BookListeners.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="preprocessor">#include &lt;xrpld/app/ledger/OrderBookDB.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00006" data-start="{" data-end="}">
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"><a class="line" href="classripple_1_1BookListeners.html#a5d7f4c227a690e895b952472a4202ca1"> 6</a></span><a class="code hl_function" href="classripple_1_1BookListeners.html#a5d7f4c227a690e895b952472a4202ca1">BookListeners::addSubscriber</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">InfoSub::ref</a> sub)</div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span>{</div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> sl(<a class="code hl_variable" href="classripple_1_1BookListeners.html#a18dd8b67ac39506dcf7a980a4b0e250e">mLock</a>);</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> <a class="code hl_variable" href="classripple_1_1BookListeners.html#a27f5d2654d8ab4b0ed518c81809b6ebc">mListeners</a>[sub-&gt;getSeq()] = sub;</div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span>}</div>
</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00013" data-start="{" data-end="}">
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"><a class="line" href="classripple_1_1BookListeners.html#a53dad68c41be892909cfa1d182b54c39"> 13</a></span><a class="code hl_function" href="classripple_1_1BookListeners.html#a53dad68c41be892909cfa1d182b54c39">BookListeners::removeSubscriber</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> seq)</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span>{</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> sl(<a class="code hl_variable" href="classripple_1_1BookListeners.html#a18dd8b67ac39506dcf7a980a4b0e250e">mLock</a>);</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <a class="code hl_variable" href="classripple_1_1BookListeners.html#a27f5d2654d8ab4b0ed518c81809b6ebc">mListeners</a>.erase(seq);</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>}</div>
</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00020" data-start="{" data-end="}">
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="classripple_1_1BookListeners.html#ace01ee147e463d71092ec8fc84d07eb8"> 20</a></span><a class="code hl_function" href="classripple_1_1BookListeners.html#ace01ee147e463d71092ec8fc84d07eb8">BookListeners::publish</a>(</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <a class="code hl_struct" href="structripple_1_1detail_1_1MultiApiJson.html">MultiApiJson</a> <span class="keyword">const</span>&amp; jvObj,</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/unordered_set.html">hash_set&lt;std::uint64_t&gt;</a>&amp; havePublished)</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> sl(<a class="code hl_variable" href="classripple_1_1BookListeners.html#a18dd8b67ac39506dcf7a980a4b0e250e">mLock</a>);</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">auto</span> it = <a class="code hl_variable" href="classripple_1_1BookListeners.html#a27f5d2654d8ab4b0ed518c81809b6ebc">mListeners</a>.cbegin();</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keywordflow">while</span> (it != <a class="code hl_variable" href="classripple_1_1BookListeners.html#a27f5d2654d8ab4b0ed518c81809b6ebc">mListeners</a>.cend())</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> {</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">InfoSub::pointer</a> p = it-&gt;second.lock();</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordflow">if</span> (p)</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Only publish jvObj if this is the first occurence</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">if</span> (havePublished.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/unordered_set/emplace.html">emplace</a>(p-&gt;getSeq()).second)</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> jvObj.<a class="code hl_function" href="structripple_1_1detail_1_1MultiApiJson.html#a13b613369b62d456c527384c86195fde">visit</a>(</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> p-&gt;getApiVersion(), <span class="comment">//</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> [&amp;](<a class="code hl_class" href="classJson_1_1Value.html">Json::Value</a> <span class="keyword">const</span>&amp; jv) { p-&gt;send(jv, true); });</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> }</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> ++it;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> it = <a class="code hl_variable" href="classripple_1_1BookListeners.html#a27f5d2654d8ab4b0ed518c81809b6ebc">mListeners</a>.erase(it);</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div>
</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="aclassJson_1_1Value_html"><div class="ttname"><a href="classJson_1_1Value.html">Json::Value</a></div><div class="ttdoc">Represents a JSON value.</div><div class="ttdef"><b>Definition</b> <a href="json__value_8h_source.html#l00130">json_value.h:131</a></div></div>
<div class="ttc" id="aclassripple_1_1BookListeners_html_a18dd8b67ac39506dcf7a980a4b0e250e"><div class="ttname"><a href="classripple_1_1BookListeners.html#a18dd8b67ac39506dcf7a980a4b0e250e">ripple::BookListeners::mLock</a></div><div class="ttdeci">std::recursive_mutex mLock</div><div class="ttdef"><b>Definition</b> <a href="BookListeners_8h_source.html#l00048">BookListeners.h:48</a></div></div>
<div class="ttc" id="aclassripple_1_1BookListeners_html_a27f5d2654d8ab4b0ed518c81809b6ebc"><div class="ttname"><a href="classripple_1_1BookListeners.html#a27f5d2654d8ab4b0ed518c81809b6ebc">ripple::BookListeners::mListeners</a></div><div class="ttdeci">hash_map&lt; std::uint64_t, InfoSub::wptr &gt; mListeners</div><div class="ttdef"><b>Definition</b> <a href="BookListeners_8h_source.html#l00050">BookListeners.h:50</a></div></div>
<div class="ttc" id="aclassripple_1_1BookListeners_html_a53dad68c41be892909cfa1d182b54c39"><div class="ttname"><a href="classripple_1_1BookListeners.html#a53dad68c41be892909cfa1d182b54c39">ripple::BookListeners::removeSubscriber</a></div><div class="ttdeci">void removeSubscriber(std::uint64_t sub)</div><div class="ttdoc">Stop publishing to a subscriber.</div><div class="ttdef"><b>Definition</b> <a href="BookListeners_8cpp_source.html#l00013">BookListeners.cpp:13</a></div></div>
<div class="ttc" id="aclassripple_1_1BookListeners_html_a5d7f4c227a690e895b952472a4202ca1"><div class="ttname"><a href="classripple_1_1BookListeners.html#a5d7f4c227a690e895b952472a4202ca1">ripple::BookListeners::addSubscriber</a></div><div class="ttdeci">void addSubscriber(InfoSub::ref sub)</div><div class="ttdoc">Add a new subscription for this book.</div><div class="ttdef"><b>Definition</b> <a href="BookListeners_8cpp_source.html#l00006">BookListeners.cpp:6</a></div></div>
<div class="ttc" id="aclassripple_1_1BookListeners_html_ace01ee147e463d71092ec8fc84d07eb8"><div class="ttname"><a href="classripple_1_1BookListeners.html#ace01ee147e463d71092ec8fc84d07eb8">ripple::BookListeners::publish</a></div><div class="ttdeci">void publish(MultiApiJson const &amp;jvObj, hash_set&lt; std::uint64_t &gt; &amp;havePublished)</div><div class="ttdoc">Publish a transaction to subscribers.</div><div class="ttdef"><b>Definition</b> <a href="BookListeners_8cpp_source.html#l00020">BookListeners.cpp:20</a></div></div>
<div class="ttc" id="aemplace_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/unordered_set/emplace.html">std::unordered_set::emplace</a></div><div class="ttdeci">T emplace(T... args)</div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</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>
<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#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
<div class="ttc" id="astructripple_1_1detail_1_1MultiApiJson_html"><div class="ttname"><a href="structripple_1_1detail_1_1MultiApiJson.html">ripple::detail::MultiApiJson</a></div><div class="ttdef"><b>Definition</b> <a href="MultiApiJson_8h_source.html#l00035">MultiApiJson.h:36</a></div></div>
<div class="ttc" id="astructripple_1_1detail_1_1MultiApiJson_html_a13b613369b62d456c527384c86195fde"><div class="ttname"><a href="structripple_1_1detail_1_1MultiApiJson.html#a13b613369b62d456c527384c86195fde">ripple::detail::MultiApiJson::visit</a></div><div class="ttdeci">auto visit()</div><div class="ttdef"><b>Definition</b> <a href="MultiApiJson_8h_source.html#l00170">MultiApiJson.h:170</a></div></div>
<div class="ttc" id="aunordered_set_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/unordered_set.html">std::unordered_set</a></div></div>
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