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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_d7c39fc6a58949d9b8efa0ea0aabeed8.html">core</a></li><li class="navelem"><a class="el" href="dir_46cfd23d8d12b129f8fcd173d5f01b52.html">impl</a></li> </ul>
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<div class="title">SNTPClock.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a 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>
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<div class="line"><a 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>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a 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>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a 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>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <ripple/basics/Log.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <ripple/basics/random.h></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <ripple/beast/core/CurrentThreadName.h></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/core/impl/SNTPClock.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <boost/asio.hpp></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cmath.html">cmath</a>></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/deque.html">deque</a>></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/map.html">map</a>></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/memory.html">memory</a>></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/mutex.html">mutex</a>></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/thread.html">thread</a>></span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespaceripple.html#abc9d4275055c64612390b7f6af828811"> 35</a></span> <span class="keyword">static</span> uint8_t <a class="code" href="namespaceripple.html#abc9d4275055c64612390b7f6af828811">SNTPQueryData</a>[48] = {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  0x1B, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">using namespace </span>std::chrono_literals;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// NTP query frequency - 4 minutes</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespaceripple.html#aeaab8e8841f2d80ecc25ad8bec105501"> 41</a></span> <span class="keyword">auto</span> constexpr <a class="code" href="namespaceripple.html#aeaab8e8841f2d80ecc25ad8bec105501">NTP_QUERY_FREQUENCY</a> = 4min;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// NTP minimum interval to query same servers - 3 minutes</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="namespaceripple.html#a6ea04c0576b00abfce1f8dcbab40ccb5"> 44</a></span> <span class="keyword">auto</span> constexpr <a class="code" href="namespaceripple.html#a6ea04c0576b00abfce1f8dcbab40ccb5">NTP_MIN_QUERY</a> = 3min;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// NTP sample window (should be odd)</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#define NTP_SAMPLE_WINDOW 9</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// NTP timestamp constant</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespaceripple.html#a11069877a010f171bc9982f6bc609416"> 50</a></span> <span class="keyword">auto</span> constexpr <a class="code" href="namespaceripple.html#a11069877a010f171bc9982f6bc609416">NTP_UNIX_OFFSET</a> = 0x83AA7E80s;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// NTP timestamp validity</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="namespaceripple.html#af31a5c5d6a7713657f65c6577d5c35ed"> 53</a></span> <span class="keyword">auto</span> constexpr <a class="code" href="namespaceripple.html#af31a5c5d6a7713657f65c6577d5c35ed">NTP_TIMESTAMP_VALID</a> = (<a class="code" href="namespaceripple.html#aeaab8e8841f2d80ecc25ad8bec105501">NTP_QUERY_FREQUENCY</a> + <a class="code" href="namespaceripple.html#a6ea04c0576b00abfce1f8dcbab40ccb5">NTP_MIN_QUERY</a>) * 2;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// SNTP packet offsets</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#define NTP_OFF_INFO 0</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define NTP_OFF_ROOTDELAY 1</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#define NTP_OFF_ROOTDISP 2</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define NTP_OFF_REFERENCEID 3</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#define NTP_OFF_REFTS_INT 4</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#define NTP_OFF_REFTS_FRAC 5</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#define NTP_OFF_ORGTS_INT 6</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#define NTP_OFF_ORGTS_FRAC 7</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define NTP_OFF_RECVTS_INT 8</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define NTP_OFF_RECVTS_FRAC 9</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define NTP_OFF_XMITTS_INT 10</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#define NTP_OFF_XMITTS_FRAC 11</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
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<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html"> 69</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1SNTPClientImp.html">SNTPClientImp</a> : <span class="keyword">public</span> <a class="code" href="classripple_1_1SNTPClock.html">SNTPClock</a></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">template</span> <<span class="keyword">class</span> Duration></div>
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<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a6d7d8d1dda505c1a93ee9319bce5d3f1"> 73</a></span>  <span class="keyword">using</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">sys_time</a> = <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">std::chrono::time_point<clock_type, Duration></a>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a741fcf0ebf862b45c2cfde2d2082d769"> 75</a></span>  <span class="keyword">using</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">sys_seconds</a> = <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">sys_time<std::chrono::seconds></a>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
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<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="structripple_1_1SNTPClientImp_1_1Query.html"> 77</a></span>  <span class="keyword">struct </span><a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html">Query</a></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="structripple_1_1SNTPClientImp_1_1Query.html#ad723de8e2cf4a9af6c065415f1640f13"> 79</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#ad723de8e2cf4a9af6c065415f1640f13">replied</a>;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structripple_1_1SNTPClientImp_1_1Query.html#acc398002fb2a626e1d44967340219bbc"> 80</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">sys_seconds</a> <a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#acc398002fb2a626e1d44967340219bbc">sent</a>;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="structripple_1_1SNTPClientImp_1_1Query.html#aa401322fac8d91bb16d8f157479ce737"> 81</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#aa401322fac8d91bb16d8f157479ce737">nonce</a>;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="structripple_1_1SNTPClientImp_1_1Query.html#a30fcfb37818348bcd7596b3dfdcd6718"> 83</a></span>  <span class="keyword">explicit</span> <a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#a30fcfb37818348bcd7596b3dfdcd6718">Query</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">sys_seconds</a> j = sys_seconds::max())</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  : replied(false), sent(j)</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  };</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a753ff9b6aca8e8fc5fac819977deeb33"> 89</a></span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <span class="keyword">const</span> <a class="code" href="classripple_1_1SNTPClientImp.html#a753ff9b6aca8e8fc5fac819977deeb33">j_</a>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a1c91590c2ec991099ffcde08e2cb62a5"> 90</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/mutex.html">std::mutex</a> <span class="keyword">mutable</span> <a class="code" href="classripple_1_1SNTPClientImp.html#a1c91590c2ec991099ffcde08e2cb62a5">mutex_</a>;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#ad15ef9346a38bd6e8d93025dc87e0481"> 91</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/thread.html">std::thread</a> <a class="code" href="classripple_1_1SNTPClientImp.html#ad15ef9346a38bd6e8d93025dc87e0481">thread_</a>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a670ff19e5f8838646ea40767e0888b4e"> 92</a></span>  boost::asio::io_service <a class="code" href="classripple_1_1SNTPClientImp.html#a670ff19e5f8838646ea40767e0888b4e">io_service_</a>;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#ac23ba211b3ad3ec9bfd126fbf2543760"> 93</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<boost::asio::io_service::work></a> <a class="code" href="classripple_1_1SNTPClientImp.html#ac23ba211b3ad3ec9bfd126fbf2543760">work_</a>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a141e92c7da7e9100766d183505fc7673"> 95</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map<boost::asio::ip::udp::endpoint, Query></a> <a class="code" href="classripple_1_1SNTPClientImp.html#a141e92c7da7e9100766d183505fc7673">queries_</a>;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#ae6fd9e9b64d834f561cdac27a9a0579d"> 96</a></span>  boost::asio::ip::udp::socket <a class="code" href="classripple_1_1SNTPClientImp.html#ae6fd9e9b64d834f561cdac27a9a0579d">socket_</a>;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#addecaba682004ad72de5c0b80404fa37"> 97</a></span>  boost::asio::basic_waitable_timer<std::chrono::system_clock> <a class="code" href="classripple_1_1SNTPClientImp.html#addecaba682004ad72de5c0b80404fa37">timer_</a>;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a8fdaa47267cb7f835390cd3a3f9e595f"> 98</a></span>  boost::asio::ip::udp::resolver <a class="code" href="classripple_1_1SNTPClientImp.html#a8fdaa47267cb7f835390cd3a3f9e595f">resolver_</a>;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a69235aa7017c2dd4ab9877bfd4accc36"> 99</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::pair<std::string, sys_seconds></a>> <a class="code" href="classripple_1_1SNTPClientImp.html#a69235aa7017c2dd4ab9877bfd4accc36">servers_</a>;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a207dd65d792f4c0cca8e5757eef7b996"> 100</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a> <a class="code" href="classripple_1_1SNTPClientImp.html#a207dd65d792f4c0cca8e5757eef7b996">offset_</a>;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a5929206156fc703b4641ab7f557f855e"> 101</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">sys_seconds</a> <a class="code" href="classripple_1_1SNTPClientImp.html#a5929206156fc703b4641ab7f557f855e">lastUpdate_</a>;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a345868fc39c16ed30fbf54aa2ea41de9"> 102</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/deque.html">std::deque<std::chrono::seconds></a> <a class="code" href="classripple_1_1SNTPClientImp.html#a345868fc39c16ed30fbf54aa2ea41de9">offsets_</a>;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a016c056603faf6d1e3f7101ccc64947f"> 103</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<uint8_t></a> <a class="code" href="classripple_1_1SNTPClientImp.html#a016c056603faf6d1e3f7101ccc64947f">buf_</a>;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a4939b282d1fa5cbfd9105e96d1b0a0a5"> 104</a></span>  boost::asio::ip::udp::endpoint <a class="code" href="classripple_1_1SNTPClientImp.html#a4939b282d1fa5cbfd9105e96d1b0a0a5">ep_</a>;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887"> 107</a></span>  <span class="keyword">using</span> <a class="code" href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887">error_code</a> = boost::system::error_code;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#af3f478426beb4c1ccfe96a560464c55e"> 109</a></span>  <span class="keyword">explicit</span> <a class="code" href="classripple_1_1SNTPClientImp.html#af3f478426beb4c1ccfe96a560464c55e">SNTPClientImp</a>(<a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  : j_(j)</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  , work_(io_service_)</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  , socket_(io_service_)</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  , timer_(io_service_)</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  , resolver_(io_service_)</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  , offset_(0)</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  , lastUpdate_(<a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/time_point.html">sys_seconds</a>::max())</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  , buf_(256)</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
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<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a0c426848fc0ef0d73b8995ca8bc4fa00"> 121</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a0c426848fc0ef0d73b8995ca8bc4fa00">~SNTPClientImp</a>()<span class="keyword"> override</span></div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (thread_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/thread/joinable.html">joinable</a>())</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  {</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887">error_code</a> ec;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  timer_.cancel(ec);</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  socket_.cancel(ec);</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  work_ = std::nullopt;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  thread_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/thread/join.html">join</a>();</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">//--------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a3138ae9b26eba43ffc962d7bcf7701e1"> 136</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a3138ae9b26eba43ffc962d7bcf7701e1">run</a>(<span class="keyword">const</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::string></a>& servers)<span class="keyword"> override</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::string>::const_iterator</a> it = servers.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>();</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (it == servers.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>())</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">info</a>()) << <span class="stringliteral">"SNTP: no server specified"</span>;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(mutex_);</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>& item : servers)</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  servers_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">emplace_back</a>(item, sys_seconds::max());</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  queryAll();</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">using namespace </span><a class="code" href="namespaceboost_1_1asio.html">boost::asio</a>;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  socket_.open(ip::udp::v4());</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  socket_.bind(ep_);</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  socket_.async_receive_from(</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  buffer(buf_, 256),</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  ep_,</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/bind.html">std::bind</a>(</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  &<a class="code" href="classripple_1_1SNTPClientImp.html#a9d4315f819499902f4588bf7026fcad6">SNTPClientImp::onRead</a>,</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">this</span>,</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  std::placeholders::_1,</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  std::placeholders::_2));</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  timer_.expires_from_now(<a class="code" href="namespaceripple.html#aeaab8e8841f2d80ecc25ad8bec105501">NTP_QUERY_FREQUENCY</a>);</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  timer_.async_wait(</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/bind.html">std::bind</a>(&<a class="code" href="classripple_1_1SNTPClientImp.html#a2046fd75c89934125a4446be1676faac">SNTPClientImp::onTimer</a>, <span class="keyword">this</span>, std::placeholders::_1));</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  thread_ = <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/thread.html">std::thread</a>(&<a class="code" href="classripple_1_1SNTPClientImp.html#a7c54adf2b650713a70c77ce75107555d">SNTPClientImp::doRun</a>, <span class="keyword">this</span>);</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  time_point</div>
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<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#aa2c5ce15bee82bee8079adb761022b83"> 172</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#aa2c5ce15bee82bee8079adb761022b83">now</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(mutex_);</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">using namespace </span><a class="codeRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">auto</span> <span class="keyword">const</span> when = time_point_cast<seconds>(clock_type::now());</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> ((lastUpdate_ == sys_seconds::max()) ||</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  ((lastUpdate_ + <a class="code" href="namespaceripple.html#af31a5c5d6a7713657f65c6577d5c35ed">NTP_TIMESTAMP_VALID</a>) <</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  time_point_cast<seconds>(clock_type::now())))</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> when;</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> when + offset_;</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">duration</a></div>
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<div class="line"><a name="l00185"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#ac86b7320782de185cecc35bd4e26ba33"> 185</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#ac86b7320782de185cecc35bd4e26ba33">offset</a>()<span class="keyword"> const override</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(mutex_);</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> offset_;</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">//--------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a7c54adf2b650713a70c77ce75107555d"> 194</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a7c54adf2b650713a70c77ce75107555d">doRun</a>()</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="namespacebeast.html#ab3bd70e6eb43bbd99b5fe518efce8c7e">beast::setCurrentThreadName</a>(<span class="stringliteral">"rippled: SNTPClock"</span>);</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  io_service_.run();</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a2046fd75c89934125a4446be1676faac"> 201</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a2046fd75c89934125a4446be1676faac">onTimer</a>(<a class="code" href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887">error_code</a> <span class="keyword">const</span>& ec)</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  {</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">using namespace </span><a class="code" href="namespaceboost_1_1asio.html">boost::asio</a>;</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span> (ec == error::operation_aborted)</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (ec)</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  {</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">error</a>()) << <span class="stringliteral">"SNTPClock::onTimer: "</span> << ec.message();</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  doQuery();</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  timer_.expires_from_now(<a class="code" href="namespaceripple.html#aeaab8e8841f2d80ecc25ad8bec105501">NTP_QUERY_FREQUENCY</a>);</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  timer_.async_wait(</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/bind.html">std::bind</a>(&<a class="code" href="classripple_1_1SNTPClientImp.html#a2046fd75c89934125a4446be1676faac">SNTPClientImp::onTimer</a>, <span class="keyword">this</span>, std::placeholders::_1));</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a9d4315f819499902f4588bf7026fcad6"> 219</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a9d4315f819499902f4588bf7026fcad6">onRead</a>(<a class="code" href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887">error_code</a> <span class="keyword">const</span>& ec, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> bytes_xferd)</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  {</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">using namespace </span><a class="code" href="namespaceboost_1_1asio.html">boost::asio</a>;</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">using namespace </span><a class="codeRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (ec == error::operation_aborted)</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// VFALCO Should we return on any error?</span></div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">/*</span></div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> if (ec)</span></div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> return;</span></div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">if</span> (!ec)</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"SNTP: Packet from "</span> << ep_;</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(mutex_);</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keyword">auto</span> <span class="keyword">const</span> query = queries_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/map/find.html">find</a>(ep_);</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (query == queries_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/map/end.html">end</a>())</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"SNTP: Reply from "</span> << ep_</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  << <span class="stringliteral">" found without matching query"</span>;</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (query->second.replied)</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  {</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">debug</a>()) << <span class="stringliteral">"SNTP: Duplicate response from "</span> << ep_;</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  query->second.replied = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">if</span> (time_point_cast<seconds>(clock_type::now()) ></div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  (query->second.sent + 1s))</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  {</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) << <span class="stringliteral">"SNTP: Late response from "</span> << ep_;</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div>
|
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (bytes_xferd < 48)</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  {</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) << <span class="stringliteral">"SNTP: Short reply from "</span> << ep_ << <span class="stringliteral">" ("</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  << bytes_xferd << <span class="stringliteral">") "</span> << buf_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>();</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>*<span class="keyword">></span>(</div>
|
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  &buf_[0])[NTP_OFF_ORGTS_FRAC] != query->second.nonce)</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  {</div>
|
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>())</div>
|
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  << <span class="stringliteral">"SNTP: Reply from "</span> << ep_ << <span class="stringliteral">"had wrong nonce"</span>;</div>
|
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div>
|
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">else</span></div>
|
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  {</div>
|
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  processReply();</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
|
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
|
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
|
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  socket_.async_receive_from(</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  buffer(buf_, 256),</div>
|
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  ep_,</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/bind.html">std::bind</a>(</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  &<a class="code" href="classripple_1_1SNTPClientImp.html#a9d4315f819499902f4588bf7026fcad6">SNTPClientImp::onRead</a>,</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">this</span>,</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  std::placeholders::_1,</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  std::placeholders::_2));</div>
|
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">//--------------------------------------------------------------------------</span></div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
|
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a70ec8bb54e35023c3b63adb02d996035"> 287</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a70ec8bb54e35023c3b63adb02d996035">addServer</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>& server)</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  {</div>
|
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <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="l00290"></a><span class="lineno"> 290</span>  servers_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a>(server, sys_seconds::max()));</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
|
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a9b0fb742ef97afb0a652122a5155519f"> 294</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a9b0fb742ef97afb0a652122a5155519f">queryAll</a>()</div>
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|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  {</div>
|
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">while</span> (doQuery())</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  {</div>
|
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
|
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div>
|
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
|
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordtype">bool</span></div>
|
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<div class="line"><a name="l00302"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#ac7d50947e3f871780e978d22d165f5db"> 302</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#ac7d50947e3f871780e978d22d165f5db">doQuery</a>()</div>
|
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  {</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <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="l00305"></a><span class="lineno"> 305</span>  <span class="keyword">auto</span> best = servers_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>();</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> iter = servers_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), end = best; iter != end; ++iter)</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span> ((best == end) || (iter->second == sys_seconds::max()) ||</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  (iter->second < best->second))</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  best = iter;</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  </div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> (best == servers_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>())</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  {</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"SNTP: No server to query"</span>;</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">using namespace </span><a class="codeRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">auto</span> now = time_point_cast<seconds>(clock_type::now());</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> ((best->second != sys_seconds::max()) &&</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  ((best->second + <a class="code" href="namespaceripple.html#a6ea04c0576b00abfce1f8dcbab40ccb5">NTP_MIN_QUERY</a>) >= now))</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  {</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"SNTP: All servers recently queried"</span>;</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  best->second = now;</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  boost::asio::ip::udp::resolver::query query(</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  boost::asio::ip::udp::v4(), best->first, <span class="stringliteral">"ntp"</span>);</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  resolver_.async_resolve(</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  query,</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/bind.html">std::bind</a>(</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  &<a class="code" href="classripple_1_1SNTPClientImp.html#a8d69dc6fecfb764661f63fffe28c7e43">SNTPClientImp::resolveComplete</a>,</div>
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|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">this</span>,</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  std::placeholders::_1,</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  std::placeholders::_2));</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"SNTPClock: Resolve pending for "</span> << best->first;</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  </div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a8d69dc6fecfb764661f63fffe28c7e43"> 344</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a8d69dc6fecfb764661f63fffe28c7e43">resolveComplete</a>(</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="code" href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887">error_code</a> <span class="keyword">const</span>& ec,</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  boost::asio::ip::udp::resolver::iterator it)</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  {</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keyword">using namespace </span><a class="code" href="namespaceboost_1_1asio.html">boost::asio</a>;</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span> (ec == error::operation_aborted)</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (ec)</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  {</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"SNTPClock::resolveComplete: "</span> << ec.message();</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  </div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  assert(it != ip::udp::resolver::iterator());</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keyword">auto</span> sel = it;</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordtype">int</span> i = 1;</div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  </div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">while</span> (++it != ip::udp::resolver::iterator())</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  {</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a71a6227fec78db0b06595d62c06b25dc">rand_int</a>(i++) == 0)</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  sel = it;</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  }</div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> (sel != ip::udp::resolver::iterator())</div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  {</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> lock(mutex_);</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html">Query</a>& query = queries_[*sel];</div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keyword">using namespace </span><a class="codeRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keyword">auto</span> now = time_point_cast<seconds>(clock_type::now());</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  </div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">if</span> ((query.<a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#acc398002fb2a626e1d44967340219bbc">sent</a> == now) || ((query.<a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#acc398002fb2a626e1d44967340219bbc">sent</a> + 1s) == now))</div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  {</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">// This can happen if the same IP address is reached through</span></div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// multiple names</span></div>
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<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"SNTP: Redundant query suppressed"</span>;</div>
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<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  </div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  query.<a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#ad723de8e2cf4a9af6c065415f1640f13">replied</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  query.<a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#acc398002fb2a626e1d44967340219bbc">sent</a> = now;</div>
|
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  query.<a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#aa401322fac8d91bb16d8f157479ce737">nonce</a> = rand_int<std::uint32_t>();</div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// The following line of code will overflow at 2036-02-07 06:28:16</span></div>
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|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="comment">// UTC</span></div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">// due to the 32 bit cast.</span></div>
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|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>*<span class="keyword">></span>(</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <a class="code" href="namespaceripple.html#abc9d4275055c64612390b7f6af828811">SNTPQueryData</a>)[NTP_OFF_XMITTS_INT] =</div>
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|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keyword">static_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a><span class="keyword">></span>(</div>
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|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  (time_point_cast<seconds>(clock_type::now()) +</div>
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|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <a class="code" href="namespaceripple.html#a11069877a010f171bc9982f6bc609416">NTP_UNIX_OFFSET</a>)</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  .time_since_epoch()</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  .count());</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>*<span class="keyword">></span>(</div>
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|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <a class="code" href="namespaceripple.html#abc9d4275055c64612390b7f6af828811">SNTPQueryData</a>)[NTP_OFF_XMITTS_FRAC] = query.<a class="code" href="structripple_1_1SNTPClientImp_1_1Query.html#aa401322fac8d91bb16d8f157479ce737">nonce</a>;</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  socket_.async_send_to(</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  buffer(<a class="code" href="namespaceripple.html#abc9d4275055c64612390b7f6af828811">SNTPQueryData</a>, 48),</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  *sel,</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/bind.html">std::bind</a>(</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  &<a class="code" href="classripple_1_1SNTPClientImp.html#ae653b7ffc3db2c93b77a536041b1829b">SNTPClientImp::onSend</a>,</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">this</span>,</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  std::placeholders::_1,</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  std::placeholders::_2));</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  </div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#ae653b7ffc3db2c93b77a536041b1829b"> 410</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#ae653b7ffc3db2c93b77a536041b1829b">onSend</a>(<a class="code" href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887">error_code</a> <span class="keyword">const</span>& ec, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a>)</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span> (ec == boost::asio::error::operation_aborted)</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (ec)</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  {</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>()) << <span class="stringliteral">"SNTPClock::onSend: "</span> << ec.message();</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  }</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  </div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"><a class="line" href="classripple_1_1SNTPClientImp.html#a40988f644c8ddc7c54f8af2d3d0c9276"> 423</a></span>  <a class="code" href="classripple_1_1SNTPClientImp.html#a40988f644c8ddc7c54f8af2d3d0c9276">processReply</a>()</div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  {</div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keyword">using namespace </span><a class="codeRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  assert(buf_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>() >= 48);</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>* recvBuffer =</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a>*<span class="keyword">></span>(&buf_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/front.html">front</a>());</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  </div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordtype">unsigned</span> info = ntohl(recvBuffer[NTP_OFF_INFO]);</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">auto</span> timev = <a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration.html">seconds</a>{ntohl(recvBuffer[NTP_OFF_RECVTS_INT])};</div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordtype">unsigned</span> stratum = (info >> 16) & 0xff;</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  </div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> ((info >> 30) == 3)</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  {</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">info</a>()) << <span class="stringliteral">"SNTP: Alarm condition "</span> << ep_;</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  </div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">if</span> ((stratum == 0) || (stratum > 14))</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  {</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">info</a>()) << <span class="stringliteral">"SNTP: Unreasonable stratum ("</span> << stratum</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  << <span class="stringliteral">") from "</span> << ep_;</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  </div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keyword">using namespace </span><a class="codeRef" href="http://en.cppreference.com/w/namespacestd_1_1chrono.html">std::chrono</a>;</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keyword">auto</span> now = time_point_cast<seconds>(clock_type::now());</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  timev -= now.time_since_epoch();</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  timev -= <a class="code" href="namespaceripple.html#a11069877a010f171bc9982f6bc609416">NTP_UNIX_OFFSET</a>;</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  </div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="comment">// add offset to list, replacing oldest one if appropriate</span></div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  offsets_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/deque/push_back.html">push_back</a>(timev);</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  </div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">if</span> (offsets_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/deque/size.html">size</a>() >= NTP_SAMPLE_WINDOW)</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  offsets_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/deque/pop_front.html">pop_front</a>();</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  </div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  lastUpdate_ = now;</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">// select median time</span></div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keyword">auto</span> offsetList = offsets_;</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a>(offsetList.begin(), offsetList.end());</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keyword">auto</span> j = offsetList.size();</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keyword">auto</span> it = <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/next.html">std::next</a>(offsetList.begin(), j / 2);</div>
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<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  offset_ = *it;</div>
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<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  </div>
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<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> ((j % 2) == 0)</div>
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<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  offset_ = (offset_ + (*--it)) / 2;</div>
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<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  </div>
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<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">// debounce: small corrections likely</span></div>
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<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="comment">// do more harm than good</span></div>
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<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> ((offset_ == -1s) || (offset_ == 1s))</div>
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<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  offset_ = 0s;</div>
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<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  </div>
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<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (timev != 0s || offset_ != 0s)</div>
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<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  {</div>
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<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  JLOG(j_.<a class="code" href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">trace</a>()) << <span class="stringliteral">"SNTP: Offset is "</span> << timev.count()</div>
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<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  << <span class="stringliteral">", new system offset is "</span> << offset_.<a class="codeRef" href="http://en.cppreference.com/w/cpp/chrono/duration/count.html">count</a>();</div>
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<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  }</div>
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<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  }</div>
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<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> };</div>
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<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  </div>
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<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  </div>
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<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr<SNTPClock></a></div>
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<div class="line"><a name="l00486"></a><span class="lineno"><a class="line" href="namespaceripple.html#af10151f7f311ef0323186c961fdab9c7"> 486</a></span> <a class="code" href="namespaceripple.html#af10151f7f311ef0323186c961fdab9c7">make_SNTPClock</a>(<a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> j)</div>
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<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> {</div>
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<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">return</span> std::make_unique<SNTPClientImp>(j);</div>
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> }</div>
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<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  </div>
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> } <span class="comment">// namespace ripple</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="anamespaceripple_html_a11069877a010f171bc9982f6bc609416"><div class="ttname"><a href="namespaceripple.html#a11069877a010f171bc9982f6bc609416">ripple::NTP_UNIX_OFFSET</a></div><div class="ttdeci">constexpr auto NTP_UNIX_OFFSET</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00050">SNTPClock.cpp:50</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_addecaba682004ad72de5c0b80404fa37"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#addecaba682004ad72de5c0b80404fa37">ripple::SNTPClientImp::timer_</a></div><div class="ttdeci">boost::asio::basic_waitable_timer< std::chrono::system_clock > timer_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00097">SNTPClock.cpp:97</a></div></div>
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<div class="ttc" id="abind_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/functional/bind.html">std::bind</a></div><div class="ttdeci">T bind(T... args)</div></div>
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<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_aa2c5ce15bee82bee8079adb761022b83"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#aa2c5ce15bee82bee8079adb761022b83">ripple::SNTPClientImp::now</a></div><div class="ttdeci">time_point now() const override</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00172">SNTPClock.cpp:172</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a141e92c7da7e9100766d183505fc7673"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a141e92c7da7e9100766d183505fc7673">ripple::SNTPClientImp::queries_</a></div><div class="ttdeci">std::map< boost::asio::ip::udp::endpoint, Query > queries_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00095">SNTPClock.cpp:95</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_ac006bcb40ac3f3f55635e9bce80b6887"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#ac006bcb40ac3f3f55635e9bce80b6887">ripple::SNTPClientImp::error_code</a></div><div class="ttdeci">boost::system::error_code error_code</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00107">SNTPClock.cpp:107</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_abbe082bd27ca0f1d1365af2824e4f85b"><div class="ttname"><a href="classbeast_1_1Journal.html#abbe082bd27ca0f1d1365af2824e4f85b">beast::Journal::trace</a></div><div class="ttdeci">Stream trace() const</div><div class="ttdoc">Severity stream access functions.</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00309">Journal.h:309</a></div></div>
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<div class="ttc" id="astructripple_1_1SNTPClientImp_1_1Query_html_acc398002fb2a626e1d44967340219bbc"><div class="ttname"><a href="structripple_1_1SNTPClientImp_1_1Query.html#acc398002fb2a626e1d44967340219bbc">ripple::SNTPClientImp::Query::sent</a></div><div class="ttdeci">sys_seconds sent</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00080">SNTPClock.cpp:80</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html">ripple::SNTPClientImp</a></div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00069">SNTPClock.cpp:69</a></div></div>
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<div class="ttc" id="apop_front_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/deque/pop_front.html">std::deque::pop_front</a></div><div class="ttdeci">T pop_front(T... args)</div></div>
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<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="afind_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/map/find.html">std::map::find</a></div><div class="ttdeci">T find(T... args)</div></div>
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<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
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<div class="ttc" id="astructripple_1_1SNTPClientImp_1_1Query_html"><div class="ttname"><a href="structripple_1_1SNTPClientImp_1_1Query.html">ripple::SNTPClientImp::Query</a></div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00077">SNTPClock.cpp:77</a></div></div>
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<div class="ttc" id="aduration_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/duration.html">std::chrono::seconds</a></div></div>
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<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>
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<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>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a5929206156fc703b4641ab7f557f855e"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a5929206156fc703b4641ab7f557f855e">ripple::SNTPClientImp::lastUpdate_</a></div><div class="ttdeci">sys_seconds lastUpdate_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00101">SNTPClock.cpp:101</a></div></div>
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<div class="ttc" id="anamespaceripple_html_aeaab8e8841f2d80ecc25ad8bec105501"><div class="ttname"><a href="namespaceripple.html#aeaab8e8841f2d80ecc25ad8bec105501">ripple::NTP_QUERY_FREQUENCY</a></div><div class="ttdeci">constexpr auto NTP_QUERY_FREQUENCY</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00041">SNTPClock.cpp:41</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a9d4315f819499902f4588bf7026fcad6"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a9d4315f819499902f4588bf7026fcad6">ripple::SNTPClientImp::onRead</a></div><div class="ttdeci">void onRead(error_code const &ec, std::size_t bytes_xferd)</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00219">SNTPClock.cpp:219</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a70ec8bb54e35023c3b63adb02d996035"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a70ec8bb54e35023c3b63adb02d996035">ripple::SNTPClientImp::addServer</a></div><div class="ttdeci">void addServer(std::string const &server)</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00287">SNTPClock.cpp:287</a></div></div>
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<div class="ttc" id="acmath_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cmath.html">cmath</a></div></div>
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<div class="ttc" id="afront_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/front.html">std::vector::front</a></div><div class="ttdeci">T front(T... args)</div></div>
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<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>
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<div class="ttc" id="astructripple_1_1SNTPClientImp_1_1Query_html_ad723de8e2cf4a9af6c065415f1640f13"><div class="ttname"><a href="structripple_1_1SNTPClientImp_1_1Query.html#ad723de8e2cf4a9af6c065415f1640f13">ripple::SNTPClientImp::Query::replied</a></div><div class="ttdeci">bool replied</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00079">SNTPClock.cpp:79</a></div></div>
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<div class="ttc" id="apush_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">std::vector::push_back</a></div><div class="ttdeci">T push_back(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_ae653b7ffc3db2c93b77a536041b1829b"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#ae653b7ffc3db2c93b77a536041b1829b">ripple::SNTPClientImp::onSend</a></div><div class="ttdeci">void onSend(error_code const &ec, std::size_t)</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00410">SNTPClock.cpp:410</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a8fdaa47267cb7f835390cd3a3f9e595f"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a8fdaa47267cb7f835390cd3a3f9e595f">ripple::SNTPClientImp::resolver_</a></div><div class="ttdeci">boost::asio::ip::udp::resolver resolver_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00098">SNTPClock.cpp:98</a></div></div>
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<div class="ttc" id="ajoinable_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/thread/joinable.html">std::thread::joinable</a></div><div class="ttdeci">T joinable(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a016c056603faf6d1e3f7101ccc64947f"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a016c056603faf6d1e3f7101ccc64947f">ripple::SNTPClientImp::buf_</a></div><div class="ttdeci">std::vector< uint8_t > buf_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00103">SNTPClock.cpp:103</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_ae6fd9e9b64d834f561cdac27a9a0579d"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#ae6fd9e9b64d834f561cdac27a9a0579d">ripple::SNTPClientImp::socket_</a></div><div class="ttdeci">boost::asio::ip::udp::socket socket_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00096">SNTPClock.cpp:96</a></div></div>
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<div class="ttc" id="anamespaceripple_html_af10151f7f311ef0323186c961fdab9c7"><div class="ttname"><a href="namespaceripple.html#af10151f7f311ef0323186c961fdab9c7">ripple::make_SNTPClock</a></div><div class="ttdeci">std::unique_ptr< SNTPClock > make_SNTPClock(beast::Journal j)</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00486">SNTPClock.cpp:486</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a71a6227fec78db0b06595d62c06b25dc"><div class="ttname"><a href="namespaceripple.html#a71a6227fec78db0b06595d62c06b25dc">ripple::rand_int</a></div><div class="ttdeci">std::enable_if_t< std::is_integral< Integral >::value &&detail::is_engine< Engine >::value, Integral > rand_int(Engine &engine, Integral min, Integral max)</div><div class="ttdoc">Return a uniformly distributed random integer.</div><div class="ttdef"><b>Definition:</b> <a href="ripple_2basics_2random_8h_source.html#l00115">ripple/basics/random.h:115</a></div></div>
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<div class="ttc" id="athread_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/thread.html">thread</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a3138ae9b26eba43ffc962d7bcf7701e1"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a3138ae9b26eba43ffc962d7bcf7701e1">ripple::SNTPClientImp::run</a></div><div class="ttdeci">void run(const std::vector< std::string > &servers) override</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00136">SNTPClock.cpp:136</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a753ff9b6aca8e8fc5fac819977deeb33"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a753ff9b6aca8e8fc5fac819977deeb33">ripple::SNTPClientImp::j_</a></div><div class="ttdeci">const beast::Journal j_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00089">SNTPClock.cpp:89</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a6ea04c0576b00abfce1f8dcbab40ccb5"><div class="ttname"><a href="namespaceripple.html#a6ea04c0576b00abfce1f8dcbab40ccb5">ripple::NTP_MIN_QUERY</a></div><div class="ttdeci">constexpr auto NTP_MIN_QUERY</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00044">SNTPClock.cpp:44</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a40988f644c8ddc7c54f8af2d3d0c9276"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a40988f644c8ddc7c54f8af2d3d0c9276">ripple::SNTPClientImp::processReply</a></div><div class="ttdeci">void processReply()</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00423">SNTPClock.cpp:423</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a69235aa7017c2dd4ab9877bfd4accc36"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a69235aa7017c2dd4ab9877bfd4accc36">ripple::SNTPClientImp::servers_</a></div><div class="ttdeci">std::vector< std::pair< std::string, sys_seconds > > servers_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00099">SNTPClock.cpp:99</a></div></div>
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<div class="ttc" id="anamespaceboost_1_1asio_html"><div class="ttname"><a href="namespaceboost_1_1asio.html">boost::asio</a></div><div class="ttdef"><b>Definition:</b> <a href="Overlay_8h_source.html#l00041">Overlay.h:41</a></div></div>
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<div class="ttc" id="astructripple_1_1SNTPClientImp_1_1Query_html_a30fcfb37818348bcd7596b3dfdcd6718"><div class="ttname"><a href="structripple_1_1SNTPClientImp_1_1Query.html#a30fcfb37818348bcd7596b3dfdcd6718">ripple::SNTPClientImp::Query::Query</a></div><div class="ttdeci">Query(sys_seconds j=sys_seconds::max())</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00083">SNTPClock.cpp:83</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a4939b282d1fa5cbfd9105e96d1b0a0a5"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a4939b282d1fa5cbfd9105e96d1b0a0a5">ripple::SNTPClientImp::ep_</a></div><div class="ttdeci">boost::asio::ip::udp::endpoint ep_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00104">SNTPClock.cpp:104</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a345868fc39c16ed30fbf54aa2ea41de9"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a345868fc39c16ed30fbf54aa2ea41de9">ripple::SNTPClientImp::offsets_</a></div><div class="ttdeci">std::deque< std::chrono::seconds > offsets_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00102">SNTPClock.cpp:102</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a49b0713e65bb8e2c51b76fbf16252afe"><div class="ttname"><a href="classbeast_1_1Journal.html#a49b0713e65bb8e2c51b76fbf16252afe">beast::Journal::error</a></div><div class="ttdeci">Stream error() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00333">Journal.h:333</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a87d6bd59020d94110027dcab3d9e3357"><div class="ttname"><a href="classbeast_1_1Journal.html#a87d6bd59020d94110027dcab3d9e3357">beast::Journal::info</a></div><div class="ttdeci">Stream info() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00321">Journal.h:321</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00058">Journal.h:58</a></div></div>
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<div class="ttc" id="amap_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/map.html">map</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a670ff19e5f8838646ea40767e0888b4e"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a670ff19e5f8838646ea40767e0888b4e">ripple::SNTPClientImp::io_service_</a></div><div class="ttdeci">boost::asio::io_service io_service_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00092">SNTPClock.cpp:92</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a9b0fb742ef97afb0a652122a5155519f"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a9b0fb742ef97afb0a652122a5155519f">ripple::SNTPClientImp::queryAll</a></div><div class="ttdeci">void queryAll()</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00294">SNTPClock.cpp:294</a></div></div>
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<div class="ttc" id="anamespacebeast_html_ab3bd70e6eb43bbd99b5fe518efce8c7e"><div class="ttname"><a href="namespacebeast.html#ab3bd70e6eb43bbd99b5fe518efce8c7e">beast::setCurrentThreadName</a></div><div class="ttdeci">void setCurrentThreadName(std::string_view name)</div><div class="ttdoc">Changes the name of the caller thread.</div><div class="ttdef"><b>Definition:</b> <a href="CurrentThreadName_8cpp_source.html#l00119">CurrentThreadName.cpp:119</a></div></div>
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<div class="ttc" id="aemplace_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/emplace_back.html">std::vector::emplace_back</a></div><div class="ttdeci">T emplace_back(T... args)</div></div>
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<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>
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<div class="ttc" id="anamespaceripple_html_abc9d4275055c64612390b7f6af828811"><div class="ttname"><a href="namespaceripple.html#abc9d4275055c64612390b7f6af828811">ripple::SNTPQueryData</a></div><div class="ttdeci">static uint8_t SNTPQueryData[48]</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00035">SNTPClock.cpp:35</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_ac86b7320782de185cecc35bd4e26ba33"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#ac86b7320782de185cecc35bd4e26ba33">ripple::SNTPClientImp::offset</a></div><div class="ttdeci">duration offset() const override</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00185">SNTPClock.cpp:185</a></div></div>
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<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/begin.html">std::vector::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a1c91590c2ec991099ffcde08e2cb62a5"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a1c91590c2ec991099ffcde08e2cb62a5">ripple::SNTPClientImp::mutex_</a></div><div class="ttdeci">std::mutex mutex_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00090">SNTPClock.cpp:90</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClock_html"><div class="ttname"><a href="classripple_1_1SNTPClock.html">ripple::SNTPClock</a></div><div class="ttdoc">A clock based on system_clock and adjusted for SNTP.</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8h_source.html#l00033">SNTPClock.h:33</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a2046fd75c89934125a4446be1676faac"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a2046fd75c89934125a4446be1676faac">ripple::SNTPClientImp::onTimer</a></div><div class="ttdeci">void onTimer(error_code const &ec)</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00201">SNTPClock.cpp:201</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a7c54adf2b650713a70c77ce75107555d"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a7c54adf2b650713a70c77ce75107555d">ripple::SNTPClientImp::doRun</a></div><div class="ttdeci">void doRun()</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00194">SNTPClock.cpp:194</a></div></div>
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<div class="ttc" id="acount_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/duration/count.html">std::chrono::seconds::count</a></div><div class="ttdeci">T count(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_ad15ef9346a38bd6e8d93025dc87e0481"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#ad15ef9346a38bd6e8d93025dc87e0481">ripple::SNTPClientImp::thread_</a></div><div class="ttdeci">std::thread thread_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00091">SNTPClock.cpp:91</a></div></div>
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<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a></div></div>
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<div class="ttc" id="amutex_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/mutex.html">mutex</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a556228cb60bcf405c225d3f64b7b01ae"><div class="ttname"><a href="classbeast_1_1Journal.html#a556228cb60bcf405c225d3f64b7b01ae">beast::Journal::debug</a></div><div class="ttdeci">Stream debug() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00315">Journal.h:315</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_af3f478426beb4c1ccfe96a560464c55e"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#af3f478426beb4c1ccfe96a560464c55e">ripple::SNTPClientImp::SNTPClientImp</a></div><div class="ttdeci">SNTPClientImp(beast::Journal j)</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00109">SNTPClock.cpp:109</a></div></div>
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<div class="ttc" id="amake_pair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a></div><div class="ttdeci">T make_pair(T... args)</div></div>
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<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/end.html">std::vector::end</a></div><div class="ttdeci">T end(T... args)</div></div>
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<div class="ttc" id="aunique_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/unique_ptr.html">std::unique_ptr</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_ac23ba211b3ad3ec9bfd126fbf2543760"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#ac23ba211b3ad3ec9bfd126fbf2543760">ripple::SNTPClientImp::work_</a></div><div class="ttdeci">std::optional< boost::asio::io_service::work > work_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00093">SNTPClock.cpp:93</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a8d69dc6fecfb764661f63fffe28c7e43"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a8d69dc6fecfb764661f63fffe28c7e43">ripple::SNTPClientImp::resolveComplete</a></div><div class="ttdeci">void resolveComplete(error_code const &ec, boost::asio::ip::udp::resolver::iterator it)</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00344">SNTPClock.cpp:344</a></div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a207dd65d792f4c0cca8e5757eef7b996"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a207dd65d792f4c0cca8e5757eef7b996">ripple::SNTPClientImp::offset_</a></div><div class="ttdeci">std::chrono::seconds offset_</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00100">SNTPClock.cpp:100</a></div></div>
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<div class="ttc" id="ajoin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/thread/join.html">std::thread::join</a></div><div class="ttdeci">T join(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1SNTPClientImp_html_a0c426848fc0ef0d73b8995ca8bc4fa00"><div class="ttname"><a href="classripple_1_1SNTPClientImp.html#a0c426848fc0ef0d73b8995ca8bc4fa00">ripple::SNTPClientImp::~SNTPClientImp</a></div><div class="ttdeci">~SNTPClientImp() override</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00121">SNTPClock.cpp:121</a></div></div>
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<div class="ttc" id="anamespaceripple_html_af31a5c5d6a7713657f65c6577d5c35ed"><div class="ttname"><a href="namespaceripple.html#af31a5c5d6a7713657f65c6577d5c35ed">ripple::NTP_TIMESTAMP_VALID</a></div><div class="ttdeci">constexpr auto NTP_TIMESTAMP_VALID</div><div class="ttdef"><b>Definition:</b> <a href="SNTPClock_8cpp_source.html#l00053">SNTPClock.cpp:53</a></div></div>
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<div class="ttc" id="anext_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/next.html">std::next</a></div><div class="ttdeci">T next(T... args)</div></div>
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