ARCHIVE/rippled
1
0
Fork 0
mirror of https://github.com/XRPLF/rippled.git synced 2025-11-21 11:35:53 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
2ef1af9423e3adf2a90158ce99b5ef20fc13619e
rippled/ProtocolVersion_8cpp_source.html
bthomee e7f4ae8bed deploy: afc05659ed
2025-08-19 09:49:50 -07:00

314 lines
45 KiB
HTML
Raw Blame History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>rippled: ProtocolVersion.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectalign">
<div id="projectname">rippled
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.8 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search/",'.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function() { init_codefold(0); });
/* @license-end */
</script>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_a62226f9e3a6c7c5a3be455e2f87ae01.html">xrpld</a></li><li class="navelem"><a class="el" href="dir_c4f38cd849aa2a8e7280b7c5f705957a.html">overlay</a></li><li class="navelem"><a class="el" href="dir_a79f2d25ef1e73674b335287bd5311a8.html">detail</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle"><div class="title">ProtocolVersion.cpp</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> Copyright (c) 2019 Ripple Labs Inc.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">*/</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">//==============================================================================</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;xrpld/overlay/detail/ProtocolVersion.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;xrpl/beast/core/LexicalCast.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;xrpl/beast/rfc2616.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &lt;boost/iterator/function_output_iterator.hpp&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include &lt;boost/regex.hpp&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/functional.html">functional</a>&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment">// clang-format off</span></div>
<div class="foldopen" id="foldopen00040" data-start="{" data-end="};">
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c"> 40</a></span><span class="keyword">constexpr</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">ProtocolVersion</a> <span class="keyword">const</span> <a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>[]</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>{</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> {2, 1},</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> {2, 2}</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>};</div>
</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment">// clang-format on</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">// This ugly construct ensures that supportedProtocolList is sorted in strictly</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment">// ascending order and doesn&#39;t contain any duplicates.</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment">// FIXME: With C++20 we can use std::is_sorted with an appropriate comparator</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">static_assert</span>(</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> []() <span class="keyword">constexpr</span> -&gt; <span class="keywordtype">bool</span> {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">auto</span> <span class="keyword">const</span> len = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/distance.html">std::distance</a>(</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>), <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>));</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// There should be at least one protocol we&#39;re willing to speak.</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">if</span> (len == 0)</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// A list with only one entry is, by definition, sorted so we don&#39;t</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// need to check it.</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (len != 1)</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i = 0; i != len - 1; ++i)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> {</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>[i] &gt;= <a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>[i + 1])</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> }</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }(),</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="stringliteral">&quot;The list of supported protocols isn&#39;t properly sorted.&quot;</span>);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00075" data-start="{" data-end="}">
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="namespaceripple.html#a4f0ccdacfa8449fee76f632565aebab0"> 75</a></span><a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">ProtocolVersion</a> <span class="keyword">const</span>&amp; p)</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>{</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> <span class="stringliteral">&quot;XRPL/&quot;</span> + <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(p.<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">first</a>) + <span class="stringliteral">&quot;.&quot;</span> + <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(p.<a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">second</a>);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span>}</div>
</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;ProtocolVersion&gt;</a></div>
<div class="foldopen" id="foldopen00081" data-start="{" data-end="}">
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="namespaceripple.html#a217d4fd0d78a4f83214976e1b25f31eb"> 81</a></span><a class="code hl_function" href="namespaceripple.html#a217d4fd0d78a4f83214976e1b25f31eb">parseProtocolVersions</a>(boost::beast::string_view <span class="keyword">const</span>&amp; value)</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>{</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">static</span> boost::regex re(</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="stringliteral">&quot;^&quot;</span> <span class="comment">// start of line</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="stringliteral">&quot;XRPL/&quot;</span> <span class="comment">// The string &quot;XRPL/&quot;</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="stringliteral">&quot;([2-9]|(?:[1-9][0-9]+))&quot;</span> <span class="comment">// a number (greater than 2 with no leading</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// zeroes)</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="stringliteral">&quot;\\.&quot;</span> <span class="comment">// a period</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="stringliteral">&quot;(0|(?:[1-9][0-9]*))&quot;</span> <span class="comment">// a number (no leading zeroes unless exactly</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// zero)</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="stringliteral">&quot;$&quot;</span> <span class="comment">// The end of the string</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> ,</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> boost::regex_constants::optimize);</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;ProtocolVersion&gt;</a> result;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; s : <a class="code hl_function" href="namespacebeast_1_1rfc2616.html#a4c2f1ae5d7c29a1b452c4fa1d3751e8e">beast::rfc2616::split_commas</a>(value))</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> boost::smatch m;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (boost::regex_match(s, m, re))</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> major;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a> minor;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespacebeast.html#aeb241ed2f4422ea57283956ca58c5d42">beast::lexicalCastChecked</a>(major, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(m[1])))</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespacebeast.html#aeb241ed2f4422ea57283956ca58c5d42">beast::lexicalCastChecked</a>(minor, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(m[2])))</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">auto</span> <span class="keyword">const</span> proto = <a class="code hl_function" href="namespaceripple.html#a2b609b884aa88582cbc1f946c8640248">make_protocol</a>(major, minor);</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// This is an extra sanity check: we check that the protocol we just</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="comment">// decoded corresponds to the token we were parsing.</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(proto) == s)</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/push_back.html">push_back</a>(<a class="code hl_function" href="namespaceripple.html#a2b609b884aa88582cbc1f946c8640248">make_protocol</a>(major, minor));</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> }</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// We guarantee that the returned list is sorted and contains no duplicates:</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a>(result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>());</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/erase.html">erase</a>(<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/unique.html">std::unique</a>(result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/begin.html">begin</a>(), result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>()), result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>());</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>}</div>
</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;ProtocolVersion&gt;</a></div>
<div class="foldopen" id="foldopen00128" data-start="{" data-end="}">
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"><a class="line" href="namespaceripple.html#a0a6d7ab3fd095a10fd8bd6d140dcd55b"> 128</a></span><a class="code hl_function" href="namespaceripple.html#a0a6d7ab3fd095a10fd8bd6d140dcd55b">negotiateProtocolVersion</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;ProtocolVersion&gt;</a> <span class="keyword">const</span>&amp; versions)</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span>{</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;ProtocolVersion&gt;</a> result;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// The protocol version we want to negotiate is the largest item in the</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// intersection of the versions supported by us and the peer. Since the</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// output of std::set_intersection is sorted, that item is always going</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// to be the last one. So we get a little clever and avoid the need for</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// a container:</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a>&lt;void(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">ProtocolVersion</a> <span class="keyword">const</span>&amp;)&gt; pickVersion =</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> [&amp;result](<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">ProtocolVersion</a> <span class="keyword">const</span>&amp; v) { result = v; };</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/set_intersection.html">std::set_intersection</a>(</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(versions),</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(versions),</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>),</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>),</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> boost::make_function_output_iterator(pickVersion));</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;ProtocolVersion&gt;</a></div>
<div class="foldopen" id="foldopen00151" data-start="{" data-end="}">
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"><a class="line" href="namespaceripple.html#a8eaf7a979b4260f282dded203de6e436"> 151</a></span><a class="code hl_function" href="namespaceripple.html#a0a6d7ab3fd095a10fd8bd6d140dcd55b">negotiateProtocolVersion</a>(boost::beast::string_view <span class="keyword">const</span>&amp; versions)</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span>{</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keyword">auto</span> <span class="keyword">const</span> them = <a class="code hl_function" href="namespaceripple.html#a217d4fd0d78a4f83214976e1b25f31eb">parseProtocolVersions</a>(versions);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a0a6d7ab3fd095a10fd8bd6d140dcd55b">negotiateProtocolVersion</a>(them);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span>}</div>
</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp;</div>
<div class="foldopen" id="foldopen00159" data-start="{" data-end="}">
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"><a class="line" href="namespaceripple.html#a72ff7246abef14a2be411b9002f81beb"> 159</a></span><a class="code hl_function" href="namespaceripple.html#a72ff7246abef14a2be411b9002f81beb">supportedProtocolVersions</a>()</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span>{</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">static</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span> supported = []() {</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> ret;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; v : <a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>)</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> {</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">if</span> (!ret.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/empty.html">empty</a>())</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> ret += <span class="stringliteral">&quot;, &quot;</span>;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> ret += <a class="code hl_function" href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">to_string</a>(v);</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> }();</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> supported;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>}</div>
</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00177" data-start="{" data-end="}">
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac5afac59670d5c595215479acb2741bd"> 177</a></span><a class="code hl_function" href="namespaceripple.html#ac5afac59670d5c595215479acb2741bd">isProtocolSupported</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">ProtocolVersion</a> <span class="keyword">const</span>&amp; v)</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span>{</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>) !=</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a>(</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>),</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(<a class="code hl_variable" href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">supportedProtocolList</a>),</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> v);</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span>}</div>
</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span>} <span class="comment">// namespace ripple</span></div>
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
<div class="ttc" id="adistance_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/distance.html">std::distance</a></div><div class="ttdeci">T distance(T... args)</div></div>
<div class="ttc" id="aempty_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/empty.html">std::string::empty</a></div><div class="ttdeci">T empty(T... args)</div></div>
<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a></div><div class="ttdeci">T end(T... args)</div></div>
<div class="ttc" id="aerase_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/erase.html">std::vector::erase</a></div><div class="ttdeci">T erase(T... args)</div></div>
<div class="ttc" id="afind_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a></div><div class="ttdeci">T find(T... args)</div></div>
<div class="ttc" id="afunction_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a></div></div>
<div class="ttc" id="afunctional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/functional.html">functional</a></div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint16_t</a></div></div>
<div class="ttc" id="anamespacebeast_1_1rfc2616_html_a4c2f1ae5d7c29a1b452c4fa1d3751e8e"><div class="ttname"><a href="namespacebeast_1_1rfc2616.html#a4c2f1ae5d7c29a1b452c4fa1d3751e8e">beast::rfc2616::split_commas</a></div><div class="ttdeci">Result split_commas(FwdIt first, FwdIt last)</div><div class="ttdef"><b>Definition</b> <a href="rfc2616_8h_source.html#l00199">rfc2616.h:199</a></div></div>
<div class="ttc" id="anamespacebeast_html_aeb241ed2f4422ea57283956ca58c5d42"><div class="ttname"><a href="namespacebeast.html#aeb241ed2f4422ea57283956ca58c5d42">beast::lexicalCastChecked</a></div><div class="ttdeci">bool lexicalCastChecked(Out &amp;out, In in)</div><div class="ttdoc">Intelligently convert from one type to another.</div><div class="ttdef"><b>Definition</b> <a href="LexicalCast_8h_source.html#l00200">LexicalCast.h:200</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00025">algorithm.h:25</a></div></div>
<div class="ttc" id="anamespaceripple_html_a0a6d7ab3fd095a10fd8bd6d140dcd55b"><div class="ttname"><a href="namespaceripple.html#a0a6d7ab3fd095a10fd8bd6d140dcd55b">ripple::negotiateProtocolVersion</a></div><div class="ttdeci">std::optional&lt; ProtocolVersion &gt; negotiateProtocolVersion(std::vector&lt; ProtocolVersion &gt; const &amp;versions)</div><div class="ttdoc">Given a list of supported protocol versions, choose the one we prefer.</div><div class="ttdef"><b>Definition</b> <a href="ProtocolVersion_8cpp_source.html#l00128">ProtocolVersion.cpp:128</a></div></div>
<div class="ttc" id="anamespaceripple_html_a217d4fd0d78a4f83214976e1b25f31eb"><div class="ttname"><a href="namespaceripple.html#a217d4fd0d78a4f83214976e1b25f31eb">ripple::parseProtocolVersions</a></div><div class="ttdeci">std::vector&lt; ProtocolVersion &gt; parseProtocolVersions(boost::beast::string_view const &amp;value)</div><div class="ttdoc">Parse a set of protocol versions.</div><div class="ttdef"><b>Definition</b> <a href="ProtocolVersion_8cpp_source.html#l00081">ProtocolVersion.cpp:81</a></div></div>
<div class="ttc" id="anamespaceripple_html_a25a38248abe92502bec03abd15646e5c"><div class="ttname"><a href="namespaceripple.html#a25a38248abe92502bec03abd15646e5c">ripple::supportedProtocolList</a></div><div class="ttdeci">constexpr ProtocolVersion const supportedProtocolList[]</div><div class="ttdoc">The list of protocol versions we speak and we prefer to use.</div><div class="ttdef"><b>Definition</b> <a href="ProtocolVersion_8cpp_source.html#l00040">ProtocolVersion.cpp:41</a></div></div>
<div class="ttc" id="anamespaceripple_html_a2b609b884aa88582cbc1f946c8640248"><div class="ttname"><a href="namespaceripple.html#a2b609b884aa88582cbc1f946c8640248">ripple::make_protocol</a></div><div class="ttdeci">constexpr ProtocolVersion make_protocol(std::uint16_t major, std::uint16_t minor)</div><div class="ttdef"><b>Definition</b> <a href="ProtocolVersion_8h_source.html#l00041">ProtocolVersion.h:41</a></div></div>
<div class="ttc" id="anamespaceripple_html_a72ff7246abef14a2be411b9002f81beb"><div class="ttname"><a href="namespaceripple.html#a72ff7246abef14a2be411b9002f81beb">ripple::supportedProtocolVersions</a></div><div class="ttdeci">std::string const &amp; supportedProtocolVersions()</div><div class="ttdoc">The list of all the protocol versions we support.</div><div class="ttdef"><b>Definition</b> <a href="ProtocolVersion_8cpp_source.html#l00159">ProtocolVersion.cpp:159</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac124fe6744b7fe887dec949b56b16d50"><div class="ttname"><a href="namespaceripple.html#ac124fe6744b7fe887dec949b56b16d50">ripple::to_string</a></div><div class="ttdeci">std::string to_string(base_uint&lt; Bits, Tag &gt; const &amp;a)</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00630">base_uint.h:630</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac5afac59670d5c595215479acb2741bd"><div class="ttname"><a href="namespaceripple.html#ac5afac59670d5c595215479acb2741bd">ripple::isProtocolSupported</a></div><div class="ttdeci">bool isProtocolSupported(ProtocolVersion const &amp;v)</div><div class="ttdoc">Determine whether we support a specific protocol version.</div><div class="ttdef"><b>Definition</b> <a href="ProtocolVersion_8cpp_source.html#l00177">ProtocolVersion.cpp:177</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
<div class="ttc" id="apair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a></div></div>
<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>
<div class="ttc" id="aset_intersection_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/set_intersection.html">std::set_intersection</a></div><div class="ttdeci">T set_intersection(T... args)</div></div>
<div class="ttc" id="asort_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a></div><div class="ttdeci">T sort(T... args)</div></div>
<div class="ttc" id="ato_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a></div><div class="ttdeci">T to_string(T... args)</div></div>
<div class="ttc" id="aunique_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/unique.html">std::unique</a></div><div class="ttdeci">T unique(T... args)</div></div>
<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>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.8
</small></address>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink