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 <span id="projectnumber">1.1</span>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Basic Header-Only Logging Class</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"></span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (C) 2019 Ruven Pillay</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> This program is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> the Free Software Foundation; either version 3 of the License, or</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> (at your option) any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> along with this program; if not, write to the Free Software Foundation,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">*/</span></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> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef _LOGGER_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#define _LOGGER_H</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <ostream></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <fstream></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <streambuf></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifdef HAVE_SYSLOG_H</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <syslog.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">class </span>SyslogStream : <span class="keyword">public</span> std::streambuf {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  std::string _buf;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">int</span> _level;</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"> 44</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  SyslogStream() : _level( LOG_DEBUG ) { };</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">void</span> open(){</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  openlog( <span class="stringliteral">"iipsrv"</span>, LOG_NDELAY, LOG_USER );</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> close(){ closelog(); };</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">int</span> sync(){</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (_buf.size()) {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  syslog( _level, <span class="stringliteral">"%s"</span>, _buf.c_str() );</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  _buf.erase();</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> 0;</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> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  int_type overflow( int_type c ){</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span>( c == traits_type::eof() ) sync();</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">else</span> _buf += <span class="keyword">static_cast<</span><span class="keywordtype">char</span><span class="keyword">></span>(c);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> c;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> };</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classLogger.html"> 79</a></span> <span class="keyword">class </span><a class="code" href="classLogger.html">Logger</a> : <span class="keyword">public</span> std::ostream {</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>  <span class="keyword">private</span>:</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#ifdef HAVE_SYSLOG_H</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  SyslogStream _syslogStream;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  std::ofstream _fstream;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">enum</span> Type {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#ifdef HAVE_SYSLOG_H</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  SYSLOG,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  FILE</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>  Type _type;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classLogger.html#abc41bfb031d896170c7675fa96a6b30c"> 104</a></span>  <a class="code" href="classLogger.html#abc41bfb031d896170c7675fa96a6b30c">Logger</a>() : <a class="code" href="namespacestd.html">std</a>::ostream( NULL ) {};</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classLogger.html#acb668a9e186a25fbaad2e4af6d1ed00a"> 108</a></span>  <a class="code" href="classLogger.html#acb668a9e186a25fbaad2e4af6d1ed00a">~Logger</a>() { this-><a class="code" href="classLogger.html#afee2bab560c2db0190c980884d33868c">close</a>(); };</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classLogger.html#a9ac4bdff29b02fce14790d903cc598f6"> 114</a></span>  <span class="keywordtype">void</span> <a class="code" href="classLogger.html#a9ac4bdff29b02fce14790d903cc598f6">open</a>( std::string file ){</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#ifdef HAVE_SYSLOG_H</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Open a syslog connection - assign syslog stream to our stream buffer</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span>( file == <span class="stringliteral">"syslog"</span> ){</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  _type = SYSLOG;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  this->rdbuf( &_syslogStream );</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  _syslogStream.open();</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="comment">// Create an output file stream and assign it to our stream buffer</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">else</span>{</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  _type = FILE;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  _fstream.open( file.c_str(), ios_base::app );</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::streambuf *buffer = _fstream.rdbuf();</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  this->rdbuf( buffer );</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#ifdef HAVE_SYSLOG_H</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"> 132</span> <span class="preprocessor">#endif</span></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> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classLogger.html#afee2bab560c2db0190c980884d33868c"> 137</a></span>  <span class="keywordtype">void</span> <a class="code" href="classLogger.html#afee2bab560c2db0190c980884d33868c">close</a>(){</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">switch</span>( _type ){</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#ifdef HAVE_SYSLOG_H</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">case</span> SYSLOG:</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  _syslogStream.close();</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  _fstream.close();</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  };</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="classLogger.html#a424be465f9eb007a83e31a92e2c0fcf1"> 153</a></span>  std::string <a class="code" href="classLogger.html#a424be465f9eb007a83e31a92e2c0fcf1">types</a>(){</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  std::string <a class="code" href="classLogger.html#a424be465f9eb007a83e31a92e2c0fcf1">types</a> = <span class="stringliteral">"file"</span>;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#ifdef HAVE_SYSLOG_H</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="classLogger.html#a424be465f9eb007a83e31a92e2c0fcf1">types</a> += <span class="stringliteral">", syslog"</span>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> <a class="code" href="classLogger.html#a424be465f9eb007a83e31a92e2c0fcf1">types</a>;</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> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> };</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classLogger_html"><div class="ttname"><a href="classLogger.html">Logger</a></div><div class="ttdoc">Logger class - handles ofstreams and syslog. </div><div class="ttdef"><b>Definition:</b> Logger.h:79</div></div>
<div class="ttc" id="classLogger_html_acb668a9e186a25fbaad2e4af6d1ed00a"><div class="ttname"><a href="classLogger.html#acb668a9e186a25fbaad2e4af6d1ed00a">Logger::~Logger</a></div><div class="ttdeci">~Logger()</div><div class="ttdoc">Destructor - close our logging stream. </div><div class="ttdef"><b>Definition:</b> Logger.h:108</div></div>
<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div>
<div class="ttc" id="classLogger_html_abc41bfb031d896170c7675fa96a6b30c"><div class="ttname"><a href="classLogger.html#abc41bfb031d896170c7675fa96a6b30c">Logger::Logger</a></div><div class="ttdeci">Logger()</div><div class="ttdoc">Constructor - derived from std::ostream. </div><div class="ttdef"><b>Definition:</b> Logger.h:104</div></div>
<div class="ttc" id="classLogger_html_a9ac4bdff29b02fce14790d903cc598f6"><div class="ttname"><a href="classLogger.html#a9ac4bdff29b02fce14790d903cc598f6">Logger::open</a></div><div class="ttdeci">void open(std::string file)</div><div class="ttdoc">Open our logging output. </div><div class="ttdef"><b>Definition:</b> Logger.h:114</div></div>
<div class="ttc" id="classLogger_html_afee2bab560c2db0190c980884d33868c"><div class="ttname"><a href="classLogger.html#afee2bab560c2db0190c980884d33868c">Logger::close</a></div><div class="ttdeci">void close()</div><div class="ttdoc">Close depending on type. </div><div class="ttdef"><b>Definition:</b> Logger.h:137</div></div>
<div class="ttc" id="classLogger_html_a424be465f9eb007a83e31a92e2c0fcf1"><div class="ttname"><a href="classLogger.html#a424be465f9eb007a83e31a92e2c0fcf1">Logger::types</a></div><div class="ttdeci">std::string types()</div><div class="ttdoc">Provide a list of available logging types. </div><div class="ttdef"><b>Definition:</b> Logger.h:153</div></div>
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