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| <div class="title">mkdtemp.hpp</div> </div> |
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| <a href="windows_2mkdtemp_8hpp.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="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</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">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __STOUT_OS_WINDOWS_MKDTEMP_HPP__</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor">#define __STOUT_OS_WINDOWS_MKDTEMP_HPP__</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <stdlib.h></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">#include <random></span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string></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 <<a class="code" href="error_8hpp.html">stout/error.hpp</a>></span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="path_8hpp.html">stout/path.hpp</a>></span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="strings_8hpp.html">stout/strings.hpp</a>></span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="thread__local_8hpp.html">stout/thread_local.hpp</a>></span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></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">#include <<a class="code" href="mkdir_8hpp.html">stout/os/mkdir.hpp</a>></span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="temp_8hpp.html">stout/os/temp.hpp</a>></span></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> </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>os {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Creates a temporary directory using the specified path</span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// template. The template may be any path with _6_ `Xs' appended to</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// it, for example /tmp/temp.XXXXXX. The trailing `Xs' are replaced</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// with a unique alphanumeric combination.</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespaceos.html#afe70fd86d13b8f10cafb222bb80adcf6">mkdtemp</a>(</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">const</span> std::string& path = <a class="code" href="namespacepath.html#aa86b16a2171cec90bb3337930513ef0f">path::join</a>(<a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">os::temp</a>(), <span class="stringliteral">"XXXXXX"</span>))</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// NOTE: We'd like to avoid reallocating `postfixTemplate` and `alphabet`,</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// and to avoid recomputing their sizes on each call to `mkdtemp`, so we</span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// make them `static const` and use the slightly awkward `sizeof` trick to</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// compute their sizes once instead of calling `strlen` for each call.</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> postfixTemplate[] = <span class="stringliteral">"XXXXXX"</span>;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> postfixSize = <span class="keyword">sizeof</span>(postfixTemplate) - 1;</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="keywordflow">if</span> (!<a class="code" href="namespacestrings.html#a04772ad549ec2958e0cd80218c32a865">strings::endsWith</a>(path, postfixTemplate)) {</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="stringliteral">"Invalid template passed to `os::mkdtemp`: template '"</span> + path +</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="stringliteral">"' should end with 6 'X' characters"</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> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> alphabet[] =</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="stringliteral">"0123456789"</span></div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="stringliteral">"ABCDEFGHIJKLMNOPQRSTUVWXYZ"</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="stringliteral">"abcdefghijklmnopqrstuvwxyz"</span>;</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="comment">// NOTE: The maximum addressable index in a string is the total length of the</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// string minus 1; but C strings have an extra null character at the end, so</span></div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// the size of the array is actually one more than the length of the string,</span></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// which is why we're subtracting 2 here.</span></div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> maxAlphabetIndex = <span class="keyword">sizeof</span>(alphabet) - 2;</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>  std::string postfix(postfixTemplate);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">static</span> <a class="code" href="thread__local_8hpp.html#af8556c37f3acfa45992b8697930c501b">THREAD_LOCAL</a> std::mt19937 generator((std::random_device())());</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>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < postfixSize; ++i) {</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = generator() % maxAlphabetIndex;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  postfix[i] = alphabet[<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>];</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>  <span class="comment">// Replace template, make directory.</span></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  std::string tempPath = path</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  .substr(0, path.length() - postfixSize)</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  .<a class="code" href="namespaceprotobuf.html#aa693e51d8d57a50543a7c2fb686a3ab3">append</a>(postfix);</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceos.html#ac93da0e90cdbecd6efea0e300b013328">mkdir</a> = <a class="code" href="namespaceos.html#ac93da0e90cdbecd6efea0e300b013328">os::mkdir</a>(tempPath, <span class="keyword">false</span>);</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">if</span> (mkdir.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(mkdir.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</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="keywordflow">return</span> tempPath;</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> } <span class="comment">// namespace os {</span></div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </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="preprocessor">#endif // __STOUT_OS_WINDOWS_MKDTEMP_HPP__</span></div> |
| <div class="ttc" id="namespacestrings_html_a04772ad549ec2958e0cd80218c32a865"><div class="ttname"><a href="namespacestrings.html#a04772ad549ec2958e0cd80218c32a865">strings::endsWith</a></div><div class="ttdeci">bool endsWith(const std::string &s, const std::string &suffix)</div><div class="ttdef"><b>Definition:</b> strings.hpp:381</div></div> |
| <div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div> |
| <div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> try.hpp:34</div></div> |
| <div class="ttc" id="namespacepath_html_aa86b16a2171cec90bb3337930513ef0f"><div class="ttname"><a href="namespacepath.html#aa86b16a2171cec90bb3337930513ef0f">path::join</a></div><div class="ttdeci">std::string join(const std::string &path1, const std::string &path2, const char _separator=os::PATH_SEPARATOR)</div><div class="ttdef"><b>Definition:</b> path.hpp:29</div></div> |
| <div class="ttc" id="namespacerouting_1_1link_html_a26486cdba01ef1c80706b1e07e8a6d3f"><div class="ttname"><a href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">routing::link::index</a></div><div class="ttdeci">Result< int > index(const std::string &link)</div></div> |
| <div class="ttc" id="nothing_8hpp_html"><div class="ttname"><a href="nothing_8hpp.html">nothing.hpp</a></div></div> |
| <div class="ttc" id="namespaceos_html_ac93da0e90cdbecd6efea0e300b013328"><div class="ttname"><a href="namespaceos.html#ac93da0e90cdbecd6efea0e300b013328">os::mkdir</a></div><div class="ttdeci">Try< Nothing > mkdir(const std::string &directory, bool recursive=true)</div><div class="ttdef"><b>Definition:</b> mkdir.hpp:37</div></div> |
| <div class="ttc" id="path_8hpp_html"><div class="ttname"><a href="path_8hpp.html">path.hpp</a></div></div> |
| <div class="ttc" id="thread__local_8hpp_html"><div class="ttname"><a href="thread__local_8hpp.html">thread_local.hpp</a></div></div> |
| <div class="ttc" id="mkdir_8hpp_html"><div class="ttname"><a href="mkdir_8hpp.html">mkdir.hpp</a></div></div> |
| <div class="ttc" id="classTry_html_aec4a11ddd3c036e889d90b7eb6258ba7"><div class="ttname"><a href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">Try::error</a></div><div class="ttdeci">static Try error(const E &e)</div><div class="ttdef"><b>Definition:</b> try.hpp:42</div></div> |
| <div class="ttc" id="temp_8hpp_html"><div class="ttname"><a href="temp_8hpp.html">temp.hpp</a></div></div> |
| <div class="ttc" id="error_8hpp_html"><div class="ttname"><a href="error_8hpp.html">error.hpp</a></div></div> |
| <div class="ttc" id="classTry_html_a0b98f95163b8a38daafd1651b043a276"><div class="ttname"><a href="classTry.html#a0b98f95163b8a38daafd1651b043a276">Try::isError</a></div><div class="ttdeci">bool isError() const </div><div class="ttdef"><b>Definition:</b> try.hpp:68</div></div> |
| <div class="ttc" id="try_8hpp_html"><div class="ttname"><a href="try_8hpp.html">try.hpp</a></div></div> |
| <div class="ttc" id="thread__local_8hpp_html_af8556c37f3acfa45992b8697930c501b"><div class="ttname"><a href="thread__local_8hpp.html#af8556c37f3acfa45992b8697930c501b">THREAD_LOCAL</a></div><div class="ttdeci">#define THREAD_LOCAL</div><div class="ttdef"><b>Definition:</b> thread_local.hpp:26</div></div> |
| <div class="ttc" id="namespaceos_html_aa3debc8caa054e7a0a3bfe4aa42aae07"><div class="ttname"><a href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">os::temp</a></div><div class="ttdeci">std::string temp()</div><div class="ttdef"><b>Definition:</b> temp.hpp:27</div></div> |
| <div class="ttc" id="namespaceprotobuf_html_aa693e51d8d57a50543a7c2fb686a3ab3"><div class="ttname"><a href="namespaceprotobuf.html#aa693e51d8d57a50543a7c2fb686a3ab3">protobuf::append</a></div><div class="ttdeci">Try< Nothing > append(const std::string &path, const google::protobuf::Message &message)</div><div class="ttdef"><b>Definition:</b> protobuf.hpp:150</div></div> |
| <div class="ttc" id="namespaceos_html_afe70fd86d13b8f10cafb222bb80adcf6"><div class="ttname"><a href="namespaceos.html#afe70fd86d13b8f10cafb222bb80adcf6">os::mkdtemp</a></div><div class="ttdeci">Try< std::string > mkdtemp(const std::string &path=path::join(os::temp(),"XXXXXX"))</div><div class="ttdef"><b>Definition:</b> mkdtemp.hpp:38</div></div> |
| <div class="ttc" id="strings_8hpp_html"><div class="ttname"><a href="strings_8hpp.html">strings.hpp</a></div></div> |
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