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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/07/13 22:04:45 UTC
[13/32] mesos-site git commit: Updated the website built from mesos
SHA: 73d1da0.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/dd06fd2f/content/api/latest/c++/uri__disk__profile__adaptor_8hpp_source.html
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<div class="title">uri_disk_profile_adaptor.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="uri__disk__profile__adaptor_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="l
00006"></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="c
omment">// 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 __RESOURCE_PROVIDER_URI_DISK_PROFILE_ADAPTOR_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __RESOUR
CE_PROVIDER_URI_DISK_PROFILE_ADAPTOR_HPP__</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <tuple></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> <span class="preprocessor">#include <<a class="code" href="include_2csi_2spec_8hpp.html">csi/spec.hpp</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</s
pan> <span class="preprocessor">#include <<a class="code" href="resource__provider_2storage_2disk__profile__adaptor_8hpp.html">mesos/resource_provider/storage/disk_profile_adaptor.hpp</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="future_8hpp.html">process/future.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="owned_8hpp.html">process/owned.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.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="3rdparty_2libprocess_2include_2process_2ssl_2flags_8hpp.html">process/ssl/flags.hpp</a>></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 <<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="error_8hpp.html">stout/error.hpp</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2flags_8hpp.html">stout/flags.hpp</a>></span></div><div class="line"><a name="l00037"></a><span cl
ass="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="option_8hpp.html">stout/option.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="path_8hpp.html">stout/path.hpp</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="strings_8hpp.html">stout/strings.hpp</a>></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> <span class="preprocessor">#include "<a class="code" href="disk__profile__utils_8hpp.html">resource_provider/storage/disk_profile_utils.hpp</a>"</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span cla
ss="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">namespace </span>storage {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// Forward declaration.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">class </span>UriDiskProfileAdaptorProcess;</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="comment">/
/ The `UriDiskProfileAdaptor` is an example DiskProfileAdaptor module</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// that takes a URI as a module parameter and fetches that URI</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// periodically. The fetched data is parsed into the required CSI</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// protobufs (which also acts as validation).</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">//</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// If there is an error during fetching, any previously fetched results</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// wi
ll be used until fetching is successful.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">//</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// This module does not filter return results based on</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// `CSIPluginInfo::type` and assumes that all fetched profiles are meant</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// for all resource providers.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">//</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// See `UriDiskProfileAdaptor::Flags` below for more information.</span></div><div class="line"><a name="l00063"></a><s
pan class="lineno"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html"> 63</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html">UriDiskProfileAdaptor</a> : <span class="keyword">public</span> <a class="code" href="classmesos_1_1DiskProfileAdaptor.html">DiskProfileAdaptor</a></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="keyword">public</span>:</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html"> 66</a></span>  <span class="keyword">struct </span><a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">Flags</a> : <span class="keyword">public</span> <span class="keyword">virtu
al</span> <a class="code" href="classflags_1_1FlagsBase.html">flags::FlagsBase</a></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#ab4e89182c53b60ad6ddf389ce595612a"> 68</a></span>  <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#ab4e89182c53b60ad6ddf389ce595612a">Flags</a>()</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>  <a class="code" href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2ffb60f4d9923cc1791fd59c5cd45a1a">Flags::uri</a>,</div><div class="line"><a name="l00071
"></a><span class="lineno"> 71</span>  <span class="stringliteral">"uri"</span>,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="structNone.html">None</a>(),</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="stringliteral">"URI to a JSON object containing the disk profile mapping.\n"</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="stringliteral">"This module supports both HTTP(s) and file URIs\n."</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="stringliteral">"\n"</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="stringliteral">"The JSON object should consist of some top-level string keys\n"</span></div><div
class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="stringliteral">"corresponding to the disk profile name. Each value should contain\n"</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="stringliteral">"a `ResourceProviderSelector` under 'resource_provider_selector' or\n"</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="stringliteral">"a `CSIPluginTypeSelector` under 'csi_plugin_type_selector' to\n"</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="stringliteral">"specify the set of resource providers this profile applies to,\n"</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="stringliteral">"followed by a `VolumeCapability` unde
r 'volume_capabilities'\n"</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="stringliteral">"and a free-form string-string mapping under 'create_parameters'.\n"</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="stringliteral">"\n"</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="stringliteral">"The JSON is modeled after a protobuf found in\n"</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="stringliteral">"`src/resource_provider/storage/disk_profile.proto`.\n"</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="stringliteral">"\n"</span></div><div class="line"><a name="l00087"></a><span class="lineno">
87</span>  <span class="stringliteral">"For example:\n"</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="stringliteral">"{\n"</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="stringliteral">" \"profile_matrix\" : {\n"</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="stringliteral">" \"my-profile\" : {\n"</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="stringliteral">" \"csi_plugin_type_selector\": {\n"</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="stringliteral">" \"plugin_type\" : \"org.apache.mesos.csi.test\"\n"</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="stringliteral">" \"},\n"</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="stringliteral">" \"volume_capabilities\" : {\n"</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="stringliteral">" \"block\" : {},\n"</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="stringliteral">" \"access_mode\" : { \"mode\" : \"SINGLE_NODE_WRITER\" }\n"</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="stringliteral">" },\n"</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <s
pan class="stringliteral">" \"create_parameters\" : {\n"</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="stringliteral">" \"mesos-does-not\" : \"interpret-these\",\n"</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="stringliteral">" \"type\" : \"raid5\",\n"</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="stringliteral">" \"stripes\" : \"3\",\n"</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="stringliteral">" \"stripesize\" : \"64\"\n"</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="stringliteral
">" }\n"</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="stringliteral">" }\n"</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="stringliteral">" }\n"</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="stringliteral">"}"</span>,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  static_cast<const Path*>(<span class="keyword">nullptr</span>),</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  [](<span class="keyword">const</span> <a class="code" href="classPath.html">Path</a>& value) -> <a class="code" href="classOption.html">Option<Error></a> {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span cla
ss="comment">// For now, just check if the URI has a supported scheme.</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">//</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// TODO(josephw): Once we have a proper URI class and parser,</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// consider validating this URI more thoroughly.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>(), <span class="stringliteral">"http://"</span>)</div><div class="line"><a name="l00114"></a><span
class="lineno"> 114</span> #ifdef USE_SSL_SOCKET</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  || (<a class="code" href="decoder_8hpp.html#abb0829cce9dd20a40ae0d86890ae85c6">process::network::openssl::flags</a>().enabled &&</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>(), <span class="stringliteral">"https://"</span>))</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#endif // USE_SSL_SOCKET</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  ) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="co
de" href="classTry.html">Try<process::http::URL></a> url =</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="structprocess_1_1http_1_1URL.html#aeb5accae04a1e271d4fdafa22131c150">process::http::URL::parse</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>());</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (url.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to parse URI: "</span> + url.<a class="code" href="classTry.html#aec4a11ddd
3c036e889d90b7eb6258ba7">error</a>());</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>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// NOTE: The `Path` class will strip off the 'file://' prefix.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444">
strings::contains</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>(), <span class="stringliteral">"://"</span>)) {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="stringliteral">"--uri must use a supported scheme (file or http(s))"</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>  <span class="comment">// We only allow absolute paths for file paths.</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> 
<span class="keywordflow">if</span> (!value.<a class="code" href="classPath.html#a240c7b71a23c8e97b5490dbae75cc948">absolute</a>()) {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"--uri to a file must be an absolute path"</span>);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  });</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>  <a class="code" href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#aff3b281cc2a2c6a0bf0dc598482efbae">Flags::poll_interval</a>,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="stringliteral">"poll_interval"</span>,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="stringliteral">"How long to wait between polling the specified `--uri`.\n"</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="stringliteral">"The time is checked each time the `translate` method is called.\n"</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="stringliteral">&q
uot;If the given time has elapsed, then the URI is re-fetched.\n"</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="stringliteral">"If not specified, the URI is only fetched once."</span>,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  [](<span class="keyword">const</span> <a class="code" href="classOption.html">Option<Duration></a>& value) -> <a class="code" href="classOption.html">Option<Error></a> {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (value.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && value.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() <= <a class="code" href="classSeconds.html">Seconds</a>(0)) {</div><div class="line"><a name="l00151"></a><span class="
lineno"> 151</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"--poll_interval must be non-negative"</span>);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  });</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>  <a class="code" href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a class="code" href="structmesos_1_1internal_
1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2f95281a8b197431418da487761b22d9">Flags::max_random_wait</a>,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="stringliteral">"max_random_wait"</span>,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="stringliteral">"How long at most to wait between discovering a new set of profiles\n"</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="stringliteral">"and notifying the callers of `watch`. The actual wait time is a\n"</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="stringliteral">"uniform random value between 0 and this value. If `--uri` points\n"</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class=
"stringliteral">"to a centralized location, it may be good to scale this number\n"</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="stringliteral">"according to the number of resource providers in the cluster."</span>,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classSeconds.html">Seconds</a>(0),</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  [](<span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& value) -> <a class="code" href="classOption.html">Option<Error></a> {</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (value < <a class="code" href="classSeconds.html">Seconds</a>(0)) {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</
span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"--max_random_wait must be zero or greater"</span>);</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> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  });</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>  <span class="comment">// NOTE: We use the `Path` type here so that t
he stout flags parser</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// does not attempt to read a file if given a `file://` prefixed value.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">//</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// TODO(josephw): Replace with a URI type when stout gets one.</span></div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2ffb60f4d9923cc1791fd59c5cd45a1a"> 178</a></span>  <a class="code" href="classPath.html">Path</a> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2ffb60f4d9923cc1791fd59c5cd45a1a">uri</a>;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</s
pan> </div><div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#aff3b281cc2a2c6a0bf0dc598482efbae"> 180</a></span>  <a class="code" href="classOption.html">Option<Duration></a> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#aff3b281cc2a2c6a0bf0dc598482efbae">poll_interval</a>;</div><div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2f95281a8b197431418da487761b22d9"> 181</a></span>  <a class="code" href="classDuration.html">Duration</a> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2f95281a8b197431418da487761b22d9">max_random_wait</a>;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  };</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>  <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a42899d4a38c59c8ea1a141ffc5e17d9a">UriDiskProfileAdaptor</a>(<span class="keyword">const</span> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">Flags</a>& _flags);</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>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a7a5f65d93bc176be7312bc9bec2ee87f">~UriDiskProfileAdaptor</a>();</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">virtual</span> <a class="code" href="classprocess_1_1Future.html">process::Future<DiskProfileAdaptor::ProfileInfo></a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#aca95d2463b19eaa4943799c918fd14d3">translate</a>(</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> std::string& profile,</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">const</span> ResourceProviderInfo& resourceProviderInfo) <span class="keyword">override</span>;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">virtual</span> <a class="code" href="classprocess_1_1Future.html">process::Future<hashset<std::string
></a>> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a78238dcf4390fc6932b5ea7db43f0e68">watch</a>(</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <a class="code" href="classhashset.html">hashset<std::string></a>& knownProfiles,</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> ResourceProviderInfo& resourceProviderInfo) <span class="keyword">override</span>;</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="keyword">protected</span>:</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a8d8f8910e9c1da5f1ca31d191b591d82"> 198</a></span>  <a class
="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">Flags</a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a8d8f8910e9c1da5f1ca31d191b591d82">flags</a>;</div><div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#ac061c8a485083fc218a3bc63efe21aea"> 199</a></span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned<UriDiskProfileAdaptorProcess></a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#ac061c8a485083fc218a3bc63efe21aea">process</a>;</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> </div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno
"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess.html"> 203</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess.html">UriDiskProfileAdaptorProcess</a> :</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">process::Process</a><UriDiskProfileAdaptorProcess></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> <span class="keyword">public</span>:</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess.html">UriDiskProfileAdaptorProcess</a>(<span class="keyword">const</span> <a class="code" href="structmesos
_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">UriDiskProfileAdaptor::Flags</a>& _flags);</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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="namespacesystemd.html#a4e45b8163baf6d307c9884d624472402">initialize</a>() <span class="keyword">override</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>  <a class="code" href="classprocess_1_1Future.html">process::Future<DiskProfileAdaptor::ProfileInfo></a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#aca95d2463b19eaa4943799c918fd14d3">translate</a>(</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <sp
an class="keyword">const</span> std::string& profile,</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> ResourceProviderInfo& resourceProviderInfo);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="classprocess_1_1Future.html">process::Future<hashset<std::string></a>> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a78238dcf4390fc6932b5ea7db43f0e68">watch</a>(</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">const</span> <a class="code" href="classhashset.html">hashset<std::string></a>& knownProfiles,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">const</span> ResourceProviderInfo
& resourceProviderInfo);</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> <span class="keyword">private</span>:</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Helpers for fetching the `--uri`.</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// If `--poll_interval` is set, this method will dispatch to itself with</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// a delay once the fetch is complete.</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">void</span> <a class="code" href="namespaceprocess_1_1io.html#af71c45e0a85e21f6b39060f4e716cebf">poll</a>();</div><div class="line"><a name="l00224"></a><span cl
ass="lineno"> 224</span>  <span class="keywordtype">void</span> _poll(<span class="keyword">const</span> <a class="code" href="classTry.html">Try<std::string></a>& fetched);</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// Helper that is called upon successfully polling and parsing the `--uri`.</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// This method will check the following conditions before updating the state</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// of the module:</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// * All known profiles must be included in the updated set.</span></div><div class="line"><a name="
l00230"></a><span class="lineno"> 230</span>  <span class="comment">// * All properties of known profiles must match those in the updated set.</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">void</span> notify(<span class="keyword">const</span> resource_provider::DiskProfileMapping& parsed);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">UriDiskProfileAdaptor::Flags</a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a8d8f8910e9c1da5f1ca31d191b591d82">flags</a>;</div><div class="line"><a name="l00235"></a><span class="lineno"> 23
5</span> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// The last fetched profile mapping.</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">// This module assumes that profiles can only be added and never</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// removed. Once added, a profile's volume capability and parameters</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// cannot be changed either.</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">//</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// TODO(josephw): Consider persisting this mapping across agent restarts.</span></div><div class="
line"><a name="l00242"></a><span class="lineno"> 242</span>  std::map<std::string, resource_provider::DiskProfileMapping::CSIManifest></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  profileMatrix;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// Will be satisfied whenever `profileMatrix` is changed.</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned<process::Promise<Nothing></a>> watchPromise;</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> </div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> } <span class="comment">// name
space storage {</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> } <span class="comment">// namespace mesos {</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor">#endif // __RESOURCE_PROVIDER_URI_DISK_PROFILE_ADAPTOR_HPP__</span></div><div class="ttc" id="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess_html"><div class="ttname"><a href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess.html">mesos::internal::storage::UriDiskProfileAdaptorProcess</a></div><div class="ttdef"><b>Definition:</b> uri_disk_profile_adaptor.hpp:203</div></div>
+<a href="uri__disk__profile__adaptor_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="l
00006"></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="c
omment">// 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 __RESOURCE_PROVIDER_URI_DISK_PROFILE_ADAPTOR_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __RESOUR
CE_PROVIDER_URI_DISK_PROFILE_ADAPTOR_HPP__</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <tuple></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="code" href="include_2csi_2spec_8hpp.html">csi/spec.hpp</a>></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="resource__provider_2storage_2disk__profile__adaptor_8hpp.html">mes
os/resource_provider/storage/disk_profile_adaptor.hpp</a>></span></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> <span class="preprocessor">#include <<a class="code" href="future_8hpp.html">process/future.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="owned_8hpp.html">process/owned.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>></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> <span class="preprocessor">#include <<a class="code"
href="3rdparty_2libprocess_2include_2process_2ssl_2flags_8hpp.html">process/ssl/flags.hpp</a>></span></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> <span class="preprocessor">#include <<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="error_8hpp.html">stout/error.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2flags_8hpp.html">stout/flags.hpp</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="hashmap_8hpp.html">stout/hashmap.hpp</a>><
/span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="option_8hpp.html">stout/option.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="path_8hpp.html">stout/path.hpp</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="strings_8hpp.html">stout/strings.hpp</a>></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> <span class="preprocessor">#include "<a class="code" href="disk__profile__utils_8hpp.html">resource_provider/storage/disk_profile_utils.hpp</a>"</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&
#160;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">namespace </span>storage {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// Forward declaration.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">class </span>UriDiskProfileAdaptorProcess;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><sp
an class="lineno"> 50</span> <span class="comment">// The `UriDiskProfileAdaptor` is an example DiskProfileAdaptor module</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// that takes a URI as a module parameter and fetches that URI</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// periodically. The fetched data is parsed into the required CSI</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// protobufs (which also acts as validation).</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">//</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// If there is an error during fetching, any previously fetched results</span></div><div class="line"><a name="l00056"></a><span c
lass="lineno"> 56</span> <span class="comment">// will be used until fetching is successful.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">//</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// This module does not filter return results based on</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// `CSIPluginInfo::type` and assumes that all fetched profiles are meant</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// for all resource providers.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">//</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// See `UriDiskProfileAdaptor::Flags` below for more informa
tion.</span></div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html"> 63</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html">UriDiskProfileAdaptor</a> : <span class="keyword">public</span> <a class="code" href="classmesos_1_1DiskProfileAdaptor.html">DiskProfileAdaptor</a></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="keyword">public</span>:</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html"> 66</a></span>  <span class="keyword">struct </span><a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">Flags</a> : <spa
n class="keyword">public</span> <span class="keyword">virtual</span> <a class="code" href="classflags_1_1FlagsBase.html">flags::FlagsBase</a></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#ab4e89182c53b60ad6ddf389ce595612a"> 68</a></span>  <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#ab4e89182c53b60ad6ddf389ce595612a">Flags</a>()</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>  <a class="code" href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2ffb60f4d9923cc1791fd59c5cd45
a1a">Flags::uri</a>,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="stringliteral">"uri"</span>,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="structNone.html">None</a>(),</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="stringliteral">"URI to a JSON object containing the disk profile mapping.\n"</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="stringliteral">"This module supports both HTTP(s) and file URIs\n."</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="stringliteral">"\n"</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="stringliteral">"The JSON object should con
sist of some top-level string keys\n"</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="stringliteral">"corresponding to the disk profile name. Each value should contain\n"</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="stringliteral">"a `ResourceProviderSelector` under 'resource_provider_selector' or\n"</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="stringliteral">"a `CSIPluginTypeSelector` under 'csi_plugin_type_selector' to\n"</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="stringliteral">"specify the set of resource providers this profile applies to,\n"</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class=
"stringliteral">"followed by a `VolumeCapability` under 'volume_capabilities'\n"</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="stringliteral">"and a free-form string-string mapping under 'create_parameters'.\n"</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="stringliteral">"\n"</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="stringliteral">"The JSON is modeled after a protobuf found in\n"</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="stringliteral">"`src/resource_provider/storage/disk_profile.proto`.\n"</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="stringliteral">"\n"</span></div><di
v class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="stringliteral">"For example:\n"</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="stringliteral">"{\n"</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="stringliteral">" \"profile_matrix\" : {\n"</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="stringliteral">" \"my-profile\" : {\n"</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="stringliteral">" \"csi_plugin_type_selector\": {\n"</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="stringliteral">" \"plugin_type\" : \
"org.apache.mesos.csi.test\"\n"</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="stringliteral">" \"},\n"</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="stringliteral">" \"volume_capabilities\" : {\n"</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="stringliteral">" \"block\" : {},\n"</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="stringliteral">" \"access_mode\" : { \"mode\" : \"SINGLE_NODE_WRITER\" }\n"</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="stringliteral">" },\n"</span></div><div class="line"><a name="l000
98"></a><span class="lineno"> 98</span>  <span class="stringliteral">" \"create_parameters\" : {\n"</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="stringliteral">" \"mesos-does-not\" : \"interpret-these\",\n"</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="stringliteral">" \"type\" : \"raid5\",\n"</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="stringliteral">" \"stripes\" : \"3\",\n"</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="stringliteral">" \"stripesize\" : \"64\"\n"</span></div><div class="line"><a name="l00103"></a><span class="lin
eno"> 103</span>  <span class="stringliteral">" }\n"</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="stringliteral">" }\n"</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="stringliteral">" }\n"</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="stringliteral">"}"</span>,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  static_cast<const Path*>(<span class="keyword">nullptr</span>),</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  [](<span class="keyword">const</span> <a class="code" href="classPath.html">Path</a>& value) -> <a class="code" href="classOption.html">Option<Error></a> {</div><div class="line"><a name="l00109"></a><
span class="lineno"> 109</span>  <span class="comment">// For now, just check if the URI has a supported scheme.</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">//</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// TODO(josephw): Once we have a proper URI class and parser,</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// consider validating this URI more thoroughly.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>(), <span class="stringliteral">"http://"
</span>)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> #ifdef USE_SSL_SOCKET</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  || (<a class="code" href="decoder_8hpp.html#abb0829cce9dd20a40ae0d86890ae85c6">process::network::openssl::flags</a>().enabled &&</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>(), <span class="stringliteral">"https://"</span>))</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#endif // USE_SSL_SOCKET</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  ) {</div><div class="line"><a name="l00119"></a><span
class="lineno"> 119</span>  <a class="code" href="classTry.html">Try<process::http::URL></a> url =</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="structprocess_1_1http_1_1URL.html#aeb5accae04a1e271d4fdafa22131c150">process::http::URL::parse</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>());</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (url.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to parse URI: "<
/span> + url.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</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>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// NOTE: The `Path` class will strip off the 'file://' prefix.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (<a class="code" href
="namespacestrings.html#a269921757daf11096d3f5e02686f8444">strings::contains</a>(value.<a class="code" href="classPath.html#a9d36a94d674e3f889eb8f46dc7a156b8">string</a>(), <span class="stringliteral">"://"</span>)) {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="stringliteral">"--uri must use a supported scheme (file or http(s))"</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>  <span class="comment">// We only allow absolute paths for file paths.</span></div><div class="line"><a n
ame="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (!value.<a class="code" href="classPath.html#a240c7b71a23c8e97b5490dbae75cc948">absolute</a>()) {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"--uri to a file must be an absolute path"</span>);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  });</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>  <a class="code" href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">add</a>(&<a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#aff3b281cc2a2c6a0bf0dc598482efbae">Flags::poll_interval</a>,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="stringliteral">"poll_interval"</span>,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="stringliteral">"How long to wait between polling the specified `--uri`.\n"</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="stringliteral">"The time is checked each time the `translate` method is called.\n"</span></div><div class="line"><a name="l00147"></a><span class="lineno"
> 147</span>  <span class="stringliteral">"If the given time has elapsed, then the URI is re-fetched.\n"</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="stringliteral">"If not specified, the URI is only fetched once."</span>,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  [](<span class="keyword">const</span> <a class="code" href="classOption.html">Option<Duration></a>& value) -> <a class="code" href="classOption.html">Option<Error></a> {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (value.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() && value.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() <= <a class="code" href="classSeconds.html">Seconds</a>(0))
{</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"--poll_interval must be non-negative"</span>);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  });</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>  <a class="code" href="classflags_1_1FlagsBase.html#a09ebe840242a3b0fbd3263bb6c7ca226">
add</a>(&<a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2f95281a8b197431418da487761b22d9">Flags::max_random_wait</a>,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="stringliteral">"max_random_wait"</span>,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="stringliteral">"How long at most to wait between discovering a new set of profiles\n"</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="stringliteral">"and notifying the callers of `watch`. The actual wait time is a\n"</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="stringliteral">"uniform random value between 0 and this value. If `--uri` points\n"</span></div><div class="line"><a name="l00162"></a><s
pan class="lineno"> 162</span>  <span class="stringliteral">"to a centralized location, it may be good to scale this number\n"</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="stringliteral">"according to the number of resource providers in the cluster."</span>,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classSeconds.html">Seconds</a>(0),</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  [](<span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& value) -> <a class="code" href="classOption.html">Option<Error></a> {</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (value < <a class="code" href="classSeconds.html">Seconds</a>(0)) {</div><div cla
ss="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"--max_random_wait must be zero or greater"</span>);</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> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  });</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>  <span cla
ss="comment">// NOTE: We use the `Path` type here so that the stout flags parser</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// does not attempt to read a file if given a `file://` prefixed value.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">//</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// TODO(josephw): Replace with a URI type when stout gets one.</span></div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2ffb60f4d9923cc1791fd59c5cd45a1a"> 178</a></span>  <a class="code" href="classPath.html">Path</a> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2ffb60f4d9923cc1791fd59c5cd45a1a">uri</a>;</div><div clas
s="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#aff3b281cc2a2c6a0bf0dc598482efbae"> 180</a></span>  <a class="code" href="classOption.html">Option<Duration></a> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#aff3b281cc2a2c6a0bf0dc598482efbae">poll_interval</a>;</div><div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2f95281a8b197431418da487761b22d9"> 181</a></span>  <a class="code" href="classDuration.html">Duration</a> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html#a2f95281a8b197431418da487761b22d9">max_random_wait</a>;</div><div class="line"><a name="l00182"></a><span class="li
neno"> 182</span>  };</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>  <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a42899d4a38c59c8ea1a141ffc5e17d9a">UriDiskProfileAdaptor</a>(<span class="keyword">const</span> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">Flags</a>& _flags);</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>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a7a5f65d93bc176be7312bc9bec2ee87f">~UriDiskProfileAdaptor</a>();</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">virtual</span> <a class="code" href="classprocess_1_1Future.html">process::Future<DiskProfileAdaptor::ProfileInfo></a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#aca95d2463b19eaa4943799c918fd14d3">translate</a>(</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> std::string& profile,</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">const</span> ResourceProviderInfo& resourceProviderInfo) <span class="keyword">override</span>;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">virtual</span> <a class="code" href="classproces
s_1_1Future.html">process::Future<hashset<std::string></a>> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a78238dcf4390fc6932b5ea7db43f0e68">watch</a>(</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <a class="code" href="classhashset.html">hashset<std::string></a>& knownProfiles,</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> ResourceProviderInfo& resourceProviderInfo) <span class="keyword">override</span>;</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="keyword">protected</span>:</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a8d8f891
0e9c1da5f1ca31d191b591d82"> 198</a></span>  <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">Flags</a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a8d8f8910e9c1da5f1ca31d191b591d82">flags</a>;</div><div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#ac061c8a485083fc218a3bc63efe21aea"> 199</a></span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned<UriDiskProfileAdaptorProcess></a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#ac061c8a485083fc218a3bc63efe21aea">process</a>;</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> </div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div
><div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess.html"> 203</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess.html">UriDiskProfileAdaptorProcess</a> :</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">process::Process</a><UriDiskProfileAdaptorProcess></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> <span class="keyword">public</span>:</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptorProcess.html">UriDiskProfileAdaptorProcess</a>(<span cla
ss="keyword">const</span> <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">UriDiskProfileAdaptor::Flags</a>& _flags);</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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="namespacesystemd.html#a4e45b8163baf6d307c9884d624472402">initialize</a>() <span class="keyword">override</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>  <a class="code" href="classprocess_1_1Future.html">process::Future<DiskProfileAdaptor::ProfileInfo></a> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#aca95d2463b19eaa4943799c918fd14d3">translate</a>(</div><div class="line"><a name="l
00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> std::string& profile,</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> ResourceProviderInfo& resourceProviderInfo);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="classprocess_1_1Future.html">process::Future<hashset<std::string></a>> <a class="code" href="classmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor.html#a78238dcf4390fc6932b5ea7db43f0e68">watch</a>(</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">const</span> <a class="code" href="classhashset.html">hashset<std::string></a>& knownProfiles,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> 
<span class="keyword">const</span> ResourceProviderInfo& resourceProviderInfo);</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>  <span class="comment">// Helpers for fetching the `--uri`.</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// If `--poll_interval` is set, this method will dispatch to itself with</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// a delay once the fetch is complete.</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// Made public for testing purpose.</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">void</span> <a class="code" href="namespaceprocess_1_1io.html#af71c45e0a8
5e21f6b39060f4e716cebf">poll</a>();</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">void</span> _poll(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">process::Future<process::http::Response></a>& future);</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">void</span> __poll(<span class="keyword">const</span> <a class="code" href="classTry.html">Try<std::string></a>& fetched);</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// Helper that is called upon successfully polling and parsing the `--uri`.</span></div><div class="line"><a name="l00229"></
a><span class="lineno"> 229</span>  <span class="comment">// This method will check the following conditions before updating the state</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// of the module:</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// * All known profiles must be included in the updated set.</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// * All properties of known profiles must match those in the updated set.</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordtype">void</span> notify(<span class="keyword">const</span> resource_provider::DiskProfileMapping& parsed);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><sp
an class="lineno"> 235</span>  <a class="code" href="structmesos_1_1internal_1_1storage_1_1UriDiskProfileAdaptor_1_1Flags.html">UriDiskProfileAdaptor::Flags</a> <a class="code" href
<TRUNCATED>