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<div id="projectname">iipsrv
 <span id="projectnumber">1.1</span>
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<div id="projectbrief">iipsrv is an advanced high-performance feature-rich image server for web-based streamed viewing and zooming of ultra high-resolution images</div>
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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"> IIP Environment Variable 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) 2006-2018 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> <span class="preprocessor">#ifndef _ENVIRONMENT_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define _ENVIRONMENT_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</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="comment">/* Define some default values</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> */</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#define VERBOSITY 1</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#define LOGFILE "/tmp/iipsrv.log"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define MAX_IMAGE_CACHE_SIZE 10.0</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define FILENAME_PATTERN "_pyr_"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define JPEG_QUALITY 75</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define MAX_CVT 5000</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#define MAX_LAYERS 0</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#define FILESYSTEM_PREFIX ""</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#define WATERMARK ""</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define WATERMARK_PROBABILITY 1.0</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define WATERMARK_OPACITY 1.0</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define LIBMEMCACHED_SERVERS "localhost"</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#define LIBMEMCACHED_TIMEOUT 86400 // 24 hours</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#define INTERPOLATION 1 // 1: Bilinear</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define CORS "";</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#define BASE_URL "";</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#define CACHE_CONTROL "max-age=86400"; // 24 hours</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#define ALLOW_UPSCALING true</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#define URI_MAP ""</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#define EMBED_ICC true</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#define KAKADU_READMODE 0</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <string></span></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> </div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classEnvironment.html"> 54</a></span> <span class="keyword">class </span><a class="code" href="classEnvironment.html">Environment</a> {</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> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">public</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"> 59</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> getVerbosity(){</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> loglevel = VERBOSITY;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">char</span> *envpara = getenv( <span class="stringliteral">"VERBOSITY"</span> );</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  loglevel = atoi( envpara );</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// If not a realistic level, set to zero</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span>( loglevel < 0 ) loglevel = 0;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> loglevel;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</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"> 71</span>  <span class="keyword">static</span> std::string getLogFile(){</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"LOGFILE"</span> );</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span>( envpara ) <span class="keywordflow">return</span> std::string( envpara );</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">else</span> <span class="keywordflow">return</span> LOGFILE;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</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="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> <span class="keywordtype">float</span> getMaxImageCacheSize(){</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">float</span> max_image_cache_size = MAX_IMAGE_CACHE_SIZE;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"MAX_IMAGE_CACHE_SIZE"</span> );</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  max_image_cache_size = atof( envpara );</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> max_image_cache_size;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </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>  <span class="keyword">static</span> std::string getFileNamePattern(){</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"FILENAME_PATTERN"</span> );</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::string filename_pattern;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  filename_pattern = std::string( envpara );</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">else</span> filename_pattern = FILENAME_PATTERN;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> filename_pattern;</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> </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>  <span class="keyword">static</span> <span class="keywordtype">int</span> getJPEGQuality(){</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"JPEG_QUALITY"</span> );</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span> jpeg_quality;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  jpeg_quality = atoi( envpara );</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span>( jpeg_quality > 100 ) jpeg_quality = 100;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span>( jpeg_quality < 1 ) jpeg_quality = 1;</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>  <span class="keywordflow">else</span> jpeg_quality = JPEG_QUALITY;</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>  <span class="keywordflow">return</span> jpeg_quality;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> getMaxCVT(){</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"MAX_CVT"</span> );</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">int</span> max_CVT;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  max_CVT = atoi( envpara );</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span>( max_CVT < 64 ) max_CVT = 64;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">else</span> max_CVT = MAX_CVT;</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="keywordflow">return</span> max_CVT;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> getMaxLayers(){</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"MAX_LAYERS"</span> );</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">int</span> layers;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span>( envpara ) layers = atoi( envpara );</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">else</span> layers = MAX_LAYERS;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> layers;</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="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">static</span> std::string getFileSystemPrefix(){</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"FILESYSTEM_PREFIX"</span> );</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  std::string filesystem_prefix;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  filesystem_prefix = std::string( envpara );</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">else</span> filesystem_prefix = FILESYSTEM_PREFIX;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> filesystem_prefix;</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>  <span class="keyword">static</span> std::string getWatermark(){</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"WATERMARK"</span> );</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  std::string watermark;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  watermark = std::string( envpara );</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">else</span> watermark = WATERMARK;</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>  <span class="keywordflow">return</span> watermark;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</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> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">static</span> <span class="keywordtype">float</span> getWatermarkProbability(){</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">float</span> watermark_probability = WATERMARK_PROBABILITY;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"WATERMARK_PROBABILITY"</span> );</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  watermark_probability = atof( envpara );</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span>( watermark_probability > 1.0 ) watermark_probability = 1.0;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span>( watermark_probability < 0 ) watermark_probability = 0.0;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> watermark_probability;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">static</span> <span class="keywordtype">float</span> getWatermarkOpacity(){</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">float</span> watermark_opacity = WATERMARK_OPACITY;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"WATERMARK_OPACITY"</span> );</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  watermark_opacity = atof( envpara );</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span>( watermark_opacity > 1.0 ) watermark_opacity = 1.0;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span>( watermark_opacity < 0 ) watermark_opacity = 0.0;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> watermark_opacity;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</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> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">static</span> std::string getMemcachedServers(){</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"MEMCACHED_SERVERS"</span> );</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  std::string memcached_servers;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  memcached_servers = std::string( envpara );</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">else</span> memcached_servers = LIBMEMCACHED_SERVERS;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> memcached_servers;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getMemcachedTimeout(){</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"MEMCACHED_TIMEOUT"</span> );</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> memcached_timeout;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span>( envpara ) memcached_timeout = atoi( envpara );</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">else</span> memcached_timeout = LIBMEMCACHED_TIMEOUT;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> memcached_timeout;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getInterpolation(){</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"INTERPOLATION"</span> );</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> interpolation;</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span>( envpara ) interpolation = atoi( envpara );</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">else</span> interpolation = INTERPOLATION;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> interpolation;</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> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">static</span> std::string getCORS(){</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"CORS"</span> );</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  std::string cors;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span>( envpara ) cors = std::string( envpara );</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">else</span> cors = CORS;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> cors;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">static</span> std::string getBaseURL(){</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"BASE_URL"</span> );</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  std::string base_url;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span>( envpara ) base_url = std::string( envpara );</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">else</span> base_url = BASE_URL;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> base_url;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </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>  <span class="keyword">static</span> std::string getCacheControl(){</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"CACHE_CONTROL"</span> );</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  std::string cache_control;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span>( envpara ) cache_control = std::string( envpara );</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">else</span> cache_control = CACHE_CONTROL;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">return</span> cache_control;</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</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> </div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> getAllowUpscaling(){</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"ALLOW_UPSCALING"</span> );</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">bool</span> allow_upscaling;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span>( envpara ) allow_upscaling = atoi( envpara ); <span class="comment">// Implicit cast to boolean, all values other than '0' treated as true</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">else</span> allow_upscaling = ALLOW_UPSCALING;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> allow_upscaling;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">static</span> std::string getURIMap(){</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"URI_MAP"</span> );</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  std::string uri_map;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span>( envpara ) uri_map = std::string( envpara );</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">else</span> uri_map = URI_MAP;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> uri_map;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</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> </div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getEmbedICC(){</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"EMBED_ICC"</span> );</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordtype">bool</span> embed;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span>( envpara ) embed = atoi( envpara );</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">else</span> embed = EMBED_ICC;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> embed;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getKduReadMode(){</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> readmode;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">char</span>* envpara = getenv( <span class="stringliteral">"KAKADU_READMODE"</span> );</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">if</span>( envpara ){</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  readmode = atoi( envpara );</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span>( readmode > 2 ) readmode = 2;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">else</span> readmode = KAKADU_READMODE;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> readmode;</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> };</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classEnvironment_html"><div class="ttname"><a href="classEnvironment.html">Environment</a></div><div class="ttdoc">Class to obtain environment variables. </div><div class="ttdef"><b>Definition:</b> Environment.h:54</div></div>
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