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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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 <span id="projectnumber">1.4.0</span>
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<div class="title">RunTimeLibraryLoader.cxx</div> </div>
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<a href="RunTimeLibraryLoader_8cxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include "<a class="code" href="RunTimeLibraryLoader_8hxx.html">RunTimeLibraryLoader.hxx</a>"</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <cstdlib></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <dirent.h></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor"></span><span class="preprocessor"># include "CLAM_windows.h"</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span><span class="preprocessor"># include <dlfcn.h></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <fstream></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="ProcessingFactory_8hxx.html">ProcessingFactory.hxx</a>"</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"><a class="code" href="RunTimeLibraryLoader_8cxx.html#a398527b3e9e358c345c5047b16871957"> 16</a></span> <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="RunTimeLibraryLoader_8cxx.html#a398527b3e9e358c345c5047b16871957">debug</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a7dce578558aceba0b2f45b67e8298408"> 19</a></span> <span class="keywordtype">void</span> <a class="code" href="classRunTimeLibraryLoader.html#a7dce578558aceba0b2f45b67e8298408">RunTimeLibraryLoader::ReLoad</a>() </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <a class="code" href="classCLAM_1_1ProcessingFactory.html">CLAM::ProcessingFactory</a>& factory = <a class="code" href="classCLAM_1_1ProcessingFactory.html#a0ba29068d84c47d25ef4553de9a45396">CLAM::ProcessingFactory::GetInstance</a>();</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  std::list<std::string> usedLibraries=<a class="code" href="classRunTimeLibraryLoader.html#a7c8766c750017fe0e6762363dbb98fae">GetUsedLibraries</a>();</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  std::list<std::string>::const_iterator itLibraries;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="comment">// iterate on used libraries</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">for</span> (itLibraries=usedLibraries.begin();itLibraries!=usedLibraries.end();itLibraries++)</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <a class="code" href="classCLAM_1_1Factory.html#ad6b51a7f0fe24ecbd581c68c15c779e6">CLAM::ProcessingFactory::Keys</a> keys;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  keys=factory.<a class="code" href="classCLAM_1_1Factory.html#a399d05abf8ceced1f3a7223c05e3db87" title="Get all keys that have attribute==value in its metadata.">GetKeys</a>(<span class="stringliteral">"library"</span>,(*itLibraries));</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  CLAM::ProcessingFactory::Keys::const_iterator itKeys;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="comment">// iterate on used creators of the library</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">for</span>(itKeys=keys.begin();itKeys!=keys.end();itKeys++)</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  factory.<a class="code" href="classCLAM_1_1Factory.html#afb2f259cc6f7d943c1d6602ef16558e9">DeleteCreator</a>(*itKeys);</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  }</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (<a class="code" href="classRunTimeLibraryLoader.html#ab0b67300a47e917720376f645a2124c8">needReleaseHandlerOnReload</a>())</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">void</span> * handle=<a class="code" href="classRunTimeLibraryLoader.html#addfa942d0ec082da025c4dc67880978e">GetLibraryHandler</a>(*itLibraries);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="classRunTimeLibraryLoader.html#a2b4bfce4eafd63538b12c40a72536f1f">ReleaseLibraryHandler</a>(handle,(*itLibraries));</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="classRunTimeLibraryLoader.html#a2651613050a850da006fe044f95e64f7">Load</a>();</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a7c8766c750017fe0e6762363dbb98fae"> 44</a></span> std::list<std::string> <a class="code" href="classRunTimeLibraryLoader.html#a7c8766c750017fe0e6762363dbb98fae">RunTimeLibraryLoader::GetUsedLibraries</a>()</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classCLAM_1_1ProcessingFactory.html">CLAM::ProcessingFactory</a>& factory = <a class="code" href="classCLAM_1_1ProcessingFactory.html#a0ba29068d84c47d25ef4553de9a45396">CLAM::ProcessingFactory::GetInstance</a>();</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  std::list<std::string> usedLibraries;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classCLAM_1_1Factory.html#a6d74ba44276555cac4456dc68dfb06aa">CLAM::ProcessingFactory::Values</a> librariesValues=factory.<a class="code" href="classCLAM_1_1Factory.html#adc0d239b27de469cad4c81a7994f6131" title="Get the set of all values present for a given metadata attribute. Example GetSetOfValues("category") ...">GetSetOfValues</a>(<span class="stringliteral">"library"</span>);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  CLAM::ProcessingFactory::Values::const_iterator itLibraries;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">for</span> (itLibraries=librariesValues.begin();itLibraries!=librariesValues.end();itLibraries++)</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">const</span> std::string & path=<a class="code" href="classRunTimeLibraryLoader.html#af32b4f83e8d3e57d6cc4dfe9dba27f2c">getPathFromFullFileName</a>(*itLibraries); </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (<a class="code" href="classRunTimeLibraryLoader.html#a4b4e1225a6d5b8507ca342ddea44d21b">IsOnPath</a>(path))</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  usedLibraries.push_back(*itLibraries);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> usedLibraries;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a4b4e1225a6d5b8507ca342ddea44d21b"> 59</a></span> <span class="keywordtype">bool</span> <a class="code" href="classRunTimeLibraryLoader.html#a4b4e1225a6d5b8507ca342ddea44d21b">RunTimeLibraryLoader::IsOnPath</a>(<span class="keyword">const</span> std::string & path)<span class="keyword"> const</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  std::string paths = GetPaths();</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  std::vector <std::string> environmentPaths = <a class="code" href="classRunTimeLibraryLoader.html#a6690cccca3589a8ebed8892ab2651a64">SplitPathVariable</a>(paths);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<environmentPaths.size(); i++)</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> (environmentPaths[i]==path)</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a2651613050a850da006fe044f95e64f7"> 71</a></span> <span class="keywordtype">void</span> <a class="code" href="classRunTimeLibraryLoader.html#a2651613050a850da006fe044f95e64f7">RunTimeLibraryLoader::Load</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::string path = GetPaths();</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// for each path, load libraries</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  std::vector <std::string> environmentPaths = <a class="code" href="classRunTimeLibraryLoader.html#a6690cccca3589a8ebed8892ab2651a64">SplitPathVariable</a>(path);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<environmentPaths.size(); i++)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="RunTimeLibraryLoader_8cxx.html#a398527b3e9e358c345c5047b16871957">debug</a> && std::cout << <span class="stringliteral">"RunTimeLibraryLoader: Scanning for libraries in "</span> << environmentPaths[i] << std::endl;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classRunTimeLibraryLoader.html#a63d3706e0799fc76b0b53606970a7173">LoadLibrariesFromPath</a>(environmentPaths[i]);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a63d3706e0799fc76b0b53606970a7173"> 82</a></span> <span class="keywordtype">void</span> <a class="code" href="classRunTimeLibraryLoader.html#a63d3706e0799fc76b0b53606970a7173">RunTimeLibraryLoader::LoadLibrariesFromPath</a>(<span class="keyword">const</span> std::string & path)<span class="keyword"> const</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  DIR* dir = opendir(path.c_str());</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (!dir) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">while</span> ( <span class="keyword">struct</span> dirent * dirEntry = readdir(dir) )</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  std::string pluginFilename(dirEntry->d_name);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span>(pluginFilename == <span class="stringliteral">"."</span> || pluginFilename == <span class="stringliteral">".."</span>)</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="RunTimeLibraryLoader_8cxx.html#a398527b3e9e358c345c5047b16871957">debug</a> && std::cout << <span class="stringliteral">"RunTimeLibraryLoader: Found file "</span> << pluginFilename << std::endl;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  std::string pluginFullFilename(path + std::string(<span class="stringliteral">"/"</span>) + pluginFilename);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">void</span> * handle = <a class="code" href="classRunTimeLibraryLoader.html#a8907bc8a184855b73c5ff0cce5cd115c">FullyLoadLibrary</a>(pluginFullFilename);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// TODO: throw exception and have catch in main()</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (handle == <a class="code" href="OSDefines_8hxx.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  std::cout << <span class="stringliteral">"Error loading: "</span> << pluginFullFilename </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  << <span class="stringliteral">" reason: "</span> << <a class="code" href="classRunTimeLibraryLoader.html#a09113d781c9ae77909a173cac4b01f2b">LibraryLoadError</a>()</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  << std::endl;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classRunTimeLibraryLoader.html#ad7f6353e45bdd50f062a32b8e90cd69c">SetupLibrary</a>( handle, pluginFullFilename );</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  closedir(dir);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a8907bc8a184855b73c5ff0cce5cd115c"> 109</a></span> <span class="keywordtype">void</span> * <a class="code" href="classRunTimeLibraryLoader.html#a8907bc8a184855b73c5ff0cce5cd115c">RunTimeLibraryLoader::FullyLoadLibrary</a>(<span class="keyword">const</span> std::string & libraryPath)</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"></span><span class="comment">// SetErrorMode( SEM_FAILCRITICALERRORS | SEM_NOALIGNMENTFAULTEXCEPT |</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">// SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX );</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> LoadLibrary(libraryPath.c_str());</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> dlopen( libraryPath.c_str(), RTLD_NOW);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a9c65307f9c9c39e2b4a8fb246f0f6645"> 121</a></span> <span class="keywordtype">void</span> * <a class="code" href="classRunTimeLibraryLoader.html#a9c65307f9c9c39e2b4a8fb246f0f6645">RunTimeLibraryLoader::LazyLoadLibrary</a>(<span class="keyword">const</span> std::string & libraryPath)</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"></span><span class="comment">// TODO: if windows allow it, add here a lazy load</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> 0; </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> dlopen( libraryPath.c_str(), RTLD_LAZY);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#af3a9463cec3106360199d174e7128404"> 132</a></span> <span class="keywordtype">void</span> * <a class="code" href="classRunTimeLibraryLoader.html#af3a9463cec3106360199d174e7128404">RunTimeLibraryLoader::GetSymbol</a>(<span class="keywordtype">void</span> * libraryHandler, <span class="keyword">const</span> std::string & symbolName)</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> (<span class="keywordtype">void</span>*) GetProcAddress((HMODULE)libraryHandler, symbolName.c_str());</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> dlsym(libraryHandler, symbolName.c_str());</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a name="l00142"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#addfa942d0ec082da025c4dc67880978e"> 142</a></span> <span class="keywordtype">void</span> * <a class="code" href="classRunTimeLibraryLoader.html#addfa942d0ec082da025c4dc67880978e">RunTimeLibraryLoader::GetLibraryHandler</a>(<span class="keyword">const</span> std::string & libraryPath)<span class="keyword"> const</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor">#ifdef WIN32 //TODO: does windows have an equivalent method to have the handler?</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> dlopen (libraryPath.c_str(), RTLD_NOLOAD);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">//TODO: the name argument will be used to check on the plugins map </span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// returns false on success, true on fail</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a2b4bfce4eafd63538b12c40a72536f1f"> 153</a></span> <span class="keywordtype">bool</span> <a class="code" href="classRunTimeLibraryLoader.html#a2b4bfce4eafd63538b12c40a72536f1f">RunTimeLibraryLoader::ReleaseLibraryHandler</a>(<span class="keywordtype">void</span>* handle, <span class="keyword">const</span> std::string pluginFullFilename)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (!handle)</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  std::cout<<<span class="stringliteral">"Cannot release an empty handle!"</span><<std::endl;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> !FreeLibrary((HMODULE)handle);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor">#else </span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> dlclose(handle);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a09113d781c9ae77909a173cac4b01f2b"> 167</a></span> <span class="keyword">const</span> std::string <a class="code" href="classRunTimeLibraryLoader.html#a09113d781c9ae77909a173cac4b01f2b">RunTimeLibraryLoader::LibraryLoadError</a>()</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor"></span> LPVOID lpMsgBuf;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  FormatMessage(</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="OSDefines_8hxx.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>,</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  GetLastError(),</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  (LPTSTR) &lpMsgBuf,</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  0, <a class="code" href="OSDefines_8hxx.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> );</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  std::string message((<span class="keywordtype">char</span>*)lpMsgBuf);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  LocalFree(lpMsgBuf);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> message;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> dlerror();</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a460eb419be8d83b156dd9662b615d6cb"> 186</a></span> <span class="keyword">const</span> std::string <a class="code" href="classRunTimeLibraryLoader.html#a460eb419be8d83b156dd9662b615d6cb">RunTimeLibraryLoader::FileOfSymbol</a> (<span class="keywordtype">void</span> * symbolAddress)</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#ifdef WIN32</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"></span> <span class="keywordtype">char</span> pluginpath[1024]; </div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  HMODULE module; </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  GetModuleHandleExA(</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  (<span class="keywordtype">char</span> *)symbolAddress, </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  &module); </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  GetModuleFileNameA(module, pluginpath, 1024); </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  FreeLibrary(module); </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> pluginpath;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor"></span> Dl_info info;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">int</span> ok=dladdr(symbolAddress,&info);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> (ok)</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> info.dli_fname;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a6690cccca3589a8ebed8892ab2651a64"> 207</a></span> std::vector<std::string> <a class="code" href="classRunTimeLibraryLoader.html#a6690cccca3589a8ebed8892ab2651a64">RunTimeLibraryLoader::SplitPathVariable</a>(<span class="keyword">const</span> std::string & pathVariable)<span class="keyword"> const</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  std::string content=pathVariable;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  std::vector<std::string> result;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">while</span> (!content.empty())</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">size_t</span> separatorPos = content.find(<a class="code" href="classRunTimeLibraryLoader.html#a7e150485bc767ffd738baecc74b39fa3">pathSeparator</a>());</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (separatorPos == std::string::npos)</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  result.push_back(content);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  } </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  result.push_back(content.substr(0, separatorPos));</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  content = content.substr(separatorPos+1);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="keyword">const</span> std::string RunTimeLibraryLoader::GetPaths()<span class="keyword"> const</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * envPath = getenv(<a class="code" href="classRunTimeLibraryLoader.html#a4371ff1075c43a83e5125f932660bfa0">pathEnvironmentVar</a>());</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * envHome = getenv(<span class="stringliteral">"HOME"</span>);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  std::string path = envPath ? envPath : <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (envHome)</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  {</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  path += std::string(path.empty()? <span class="stringliteral">""</span>:<a class="code" href="classRunTimeLibraryLoader.html#a7e150485bc767ffd738baecc74b39fa3">pathSeparator</a>()) + envHome + <a class="code" href="classRunTimeLibraryLoader.html#ab50d847ac0f3e8a626eeb8806c0d5027">homePath</a>();</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// add standardPath to the env path string (i.e. path1:path2)</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">char</span> ** standardPath=<a class="code" href="classRunTimeLibraryLoader.html#a9ab9c546538becca1afa11d73de6e6c6">standardPaths</a>(); *standardPath; standardPath++)</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  path += std::string(path.empty()? <span class="stringliteral">""</span>:<a class="code" href="classRunTimeLibraryLoader.html#a7e150485bc767ffd738baecc74b39fa3">pathSeparator</a>()) + *standardPath;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span> path;</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> }</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="code" href="classRunTimeLibraryLoader.html#a336c9dceb02fa162a4b59f545a400591"> 241</a></span> <span class="keyword">const</span> std::string <a class="code" href="classRunTimeLibraryLoader.html#a336c9dceb02fa162a4b59f545a400591">RunTimeLibraryLoader::CompletePathFor</a>(<span class="keyword">const</span> std::string & subpathAndName)<span class="keyword"> const </span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  std::string paths=GetPaths();</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  std::vector <std::string> environmentPaths = <a class="code" href="classRunTimeLibraryLoader.html#a6690cccca3589a8ebed8892ab2651a64">SplitPathVariable</a>(paths);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i<environmentPaths.size(); i++)</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  {</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">// get file name:</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  std::string fileName = subpathAndName.substr( subpathAndName.rfind(<span class="stringliteral">"/"</span>)+1); </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// testDir= root_path + subpath:</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  std::string testDir = environmentPaths[i] + <span class="stringliteral">"/"</span> + subpathAndName.substr(0, subpathAndName.size()-fileName.size());</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">// check if directory exists:</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  DIR* dir = opendir(testDir.c_str());</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (not dir) </div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">continue</span>; <span class="comment">// directory doesn't match, skip</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  closedir(dir);</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// check if file exists:</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  std::fstream fin;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  std::string completeFileName=testDir+fileName;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  fin.open(completeFileName.c_str(),std::ios::in);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (not fin.is_open()) </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">continue</span>; <span class="comment">// file doesn't exist, skip</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  fin.close();</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> completeFileName;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> }</div>
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