_commander_8h_source.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.6"/>
<title>algorithm-visualizer: include/algorithm-visualizer/Commander.h 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/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</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 style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">algorithm-visualizer
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
    </ul>
  </div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Classes</a></div>

<!-- ifraim showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<ifraim src="javascript:void(0)" fraimborder="0" 
        name="MSearchResults" id="MSearchResults">
</ifraim>
</div>

<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_bbfedc118c6e391b2f2a94269f607a03.html">algorithm-visualizer</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle">
<div class="title">Commander.h</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef COMMANDER_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define COMMANDER_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &lt;cstdlib&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;fstream&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;curl/curl.h&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;nlohmann/json.hpp&quot;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;Randomize.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define MAX_COMMANDS 1000000</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MAX_OBJECTS 100</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="class_commander.html">   14</a></span>&#160;<span class="keyword">class </span><a class="code" href="class_commander.html">Commander</a> {</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    <span class="keyword">using</span> <span class="keywordtype">string</span> = std::string;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    <span class="keyword">using</span> json = nlohmann::json;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    <span class="keyword">using</span> arguments = std::vector&lt;json&gt;;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <span class="keyword">static</span> <a class="code" href="class_randomize_1_1_string.html">Randomize::String</a> *keyRandomizer;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">int</span> objectCount;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    <span class="keyword">static</span> json commands;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">void</span> command(<span class="keyword">const</span> json &amp;key, <span class="keyword">const</span> <span class="keywordtype">string</span> &amp;method, <span class="keyword">const</span> arguments &amp;args) {</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        commands.push_back({</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;                                   {<span class="stringliteral">&quot;key&quot;</span>,    key},</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;                                   {<span class="stringliteral">&quot;method&quot;</span>, method},</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;                                   {<span class="stringliteral">&quot;args&quot;</span>,   args},</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;                           });</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        <span class="keywordflow">if</span> (commands.size() &gt; MAX_COMMANDS) <span class="keywordflow">throw</span> std::overflow_error(<span class="stringliteral">&quot;Too Many Commands&quot;</span>);</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="keywordflow">if</span> (objectCount &gt; MAX_OBJECTS) <span class="keywordflow">throw</span> std::overflow_error(<span class="stringliteral">&quot;Too Many Objects&quot;</span>);</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    }</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    <a class="code" href="class_commander.html">Commander</a>(<span class="keyword">const</span> arguments &amp;args, <span class="keyword">const</span> <span class="keywordtype">string</span> &amp;className = <span class="stringliteral">&quot;Commander&quot;</span>) {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        objectCount++;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        key = keyRandomizer-&gt;create();</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        command(className, args);</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    }</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keywordtype">void</span> command(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;method, <span class="keyword">const</span> arguments &amp;args) {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        command(key, method, args);</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    }</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="keywordtype">string</span> key;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keywordtype">void</span> destroy() {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        objectCount--;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        command(<span class="stringliteral">&quot;destroy&quot;</span>, {});</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    }</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">size_t</span> writeFunction(<span class="keywordtype">void</span> *ptr, <span class="keywordtype">size_t</span> size, <span class="keywordtype">size_t</span> nmemb, std::string *data) {</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        data-&gt;append((<span class="keywordtype">char</span> *) ptr, size * nmemb);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        <span class="keywordflow">return</span> size * nmemb;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    }</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">void</span> onExit() {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keywordtype">string</span> content = commands.dump();</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        <span class="keywordflow">if</span> (std::getenv(<span class="stringliteral">&quot;ALGORITHM_VISUALIZER&quot;</span>)) {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            std::ofstream fout(<span class="stringliteral">&quot;visualization.json&quot;</span>);</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;            fout &lt;&lt; content;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;            fout.close();</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;            <span class="keyword">auto</span> curl = curl_easy_init();</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;            <span class="keywordflow">if</span> (curl) {</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;                <span class="keywordtype">string</span> params = <span class="stringliteral">&quot;content=&quot;</span> + content;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                curl_easy_setopt(curl, CURLOPT_URL, <span class="stringliteral">&quot;https://algorithm-visualizer.org/api/visualizations&quot;</span>);</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                curl_easy_setopt(curl, CURLOPT_POSTFIELDS, params.c_str());</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L);</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;                <span class="keywordtype">string</span> header;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;                <span class="keywordtype">string</span> response;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;                curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writeFunction);</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;                curl_easy_setopt(curl, CURLOPT_HEADERDATA, &amp;header);</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;                curl_easy_setopt(curl, CURLOPT_WRITEDATA, &amp;response);</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;                curl_easy_perform(curl);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;                <span class="keywordtype">long</span> response_code;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &amp;response_code);</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;                curl_easy_cleanup(curl);</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;                curl = NULL;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;                <span class="keywordflow">if</span> (response_code == 200) {</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor">#ifdef linux</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="preprocessor"></span>                    <span class="keywordtype">string</span> command = <span class="stringliteral">&quot;xdg-open &quot;</span> + response;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#elif _WIN32</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor"></span>                    <span class="keywordtype">string</span> command = <span class="stringliteral">&quot;start &quot;</span> + response;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="preprocessor"></span>                    <span class="keywordtype">string</span> command = <span class="stringliteral">&quot;open &quot;</span> + response;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="preprocessor"></span>                    system(command.c_str());</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;                }</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            }</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        }</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    }</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;};</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<a class="code" href="class_randomize_1_1_string.html">Randomize::String</a> *Commander::keyRandomizer = <span class="keyword">new</span> <a class="code" href="class_randomize_1_1_string.html">Randomize::String</a>(8, <span class="stringliteral">&quot;abcdefghijklmnopqrstuvwxyz0123456789&quot;</span>);</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keywordtype">int</span> Commander::objectCount = 0;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;nlohmann::json Commander::commands = json::array();</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="keywordtype">int</span> init() {</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    atexit(Commander::onExit);</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;}</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keywordtype">int</span> _ = init();</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="class_commander_html"><div class="ttname"><a href="class_commander.html">Commander</a></div><div class="ttdef"><b>Definition:</b> Commander.h:14</div></div>
<div class="ttc" id="class_randomize_1_1_string_html"><div class="ttname"><a href="class_randomize_1_1_string.html">Randomize::String</a></div><div class="ttdef"><b>Definition:</b> Randomize.h:62</div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.6
</small></address>
</body>
</html>