http://git-wip-us.apache.org/repos/asf/mesos-site/blob/805f4c5b/content/api/latest/c++/src_2common_2recordio_8hpp_source.html ---------------------------------------------------------------------- diff --git a/content/api/latest/c++/src_2common_2recordio_8hpp_source.html b/content/api/latest/c++/src_2common_2recordio_8hpp_source.html index 3856c10..6ca7fb2 100644 --- a/content/api/latest/c++/src_2common_2recordio_8hpp_source.html +++ b/content/api/latest/c++/src_2common_2recordio_8hpp_source.html @@ -52,17 +52,17 @@ <div class="title">recordio.hpp</div> </div> </div><!--header--> <div class="contents"> -<a href="src_2common_2recordio_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 __COMMON_RECORDIO_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __COMMON_RECORDIO_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 <queue></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 <utility></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_2mesos_2mesos_8hpp.html">mesos/mesos.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</span> <span class="preprocessor">#include < <a class="code" href="defer_8hpp.html">process/defer.hpp</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2http_8hpp.html">process/http.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="loop_8hpp.html">process/loop.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="owned_8hpp.html">process/owned.hpp</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preproc essor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</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="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="lambda_8hpp.html">stout/lambda.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.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_2in clude_2stout_2recordio_8hpp.html">stout/recordio.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="result_8hpp.html">stout/result.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1recordio.html"> 41</a></span> <span class="keyword">namespace </span><a class="code" href="namespacerecordio.html">recordio</a> {</div><div class="line"><a name="l000 42"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1recordio_1_1internal.html"> 43</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html"> 45</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html">ReaderProcess</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00047"></a><span c lass="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1Reader.html"> 62</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html">Reader</a></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// We spawn `ReaderProcess` as a managed process to guarantee</span></div><div class="line"><a name="l00066"></a><span c lass="lineno"> 66</span>  <span class="comment">// that it does not wait on itself (this would cause a deadlock!).</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// See comments in `Connection::Data` for further details.</span></div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ab91aee86565a6eafe13601fbeea41c66"> 68</a></span>  <a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ab91aee86565a6eafe13601fbeea41c66">Reader</a>(::<a class="code" href="classrecordio_1_1Decoder.html">recordio::Decoder<T></a>&& decoder,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> reader)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span >  : <a class="code" href="namespaceprocess.html">process</a>(<a >class="code" href="namespaceprocess.html">process</a>::<a class="code" >href="namespaceprocess.html#aff22904a83567125d3b4d0d88e5a2270">spawn</a>(</div><div > class="line"><a name="l00071"></a><span class="lineno"> 71</span>  > new <a class="code" >href="namespaceinternal.html">internal</a>::ReaderProcess<T>(<a >class="code" href="namespacestd.html">std</a>::move(decoder), >reader),</div><div class="line"><a name="l00072"></a><span class="lineno"> >72</span>  true)) {}</div><div class="line"><a >name="l00073"></a><span class="lineno"> 73</span> </div><div >class="line"><a name="l00074"></a><span class="lineno"><a class="line" >href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ad1adb5f2ced8d8fc56b26e787fecd0a3"> > 74</a></span>  <span class="keyword">virtual</span> <a class="code" >href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ad1adb5f2ced8d8fc56b26e787fecd0a3">~R eader</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>  <span class="comment">// Note that we pass 'false' here to avoid injecting the</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// termination event at the front of the queue. This is</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// to ensure we don't drop any queued request dispatches</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// which would leave the caller with a future stuck in</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// a pending state.</span></div><div class="line"><a name="l00081"></a><span class="line no"> 81</span>  <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">process::terminate</a>(<a class="code" href="namespaceprocess.html">process</a>, <span class="keyword">false</span>);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#a089c0b92ecaffcb3a472103c233e4cf9"> 90</a></span>  <a class="code" href="classprocess_1_1Future.html">process::Future<Result<T></a>> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#a089c0b92ecaffcb3a472103c233e4cf9">read</a>()</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordf low">return</span> <a class="code" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">process::dispatch</a>(<a class="code" href="namespaceprocess.html">process</a>, &<a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html">internal::ReaderProcess<T>::read</a>);</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> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="structprocess_1_1PID.html">process::PID<internal::ReaderProcess<T></a>> <a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> };</div><div class="line "><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf"> 112</a></span> <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf">transform</a>(</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned</a><<a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html">Reader<T></a>>&& reader,</div><div class=" line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::function<std::string(<span class="keyword">const</span> T&)>& func,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Writer.html">process::http::Pipe::Writer</a> writer)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a59c192ee8ea5abbbee1642957f47c92a">process::loop</a>(</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="structNone.html">None</a>(),</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  [=]() {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> reader->read();</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="keyword">const</span> <a class="code" href="classResult.html">Result<T></a>& record) <span class="keyword">mutable</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  -> <a class="code" href="classprocess_1_1Future.html">process::Future</a><<a class="code" href="classprocess_1_1ControlFlow.html">process::ControlFlow<Nothing></a>> {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// This could happen if EOF is sent by the writer.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (record.isNo ne()) {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a4beae62da50c26c6cb8afd14e385d0c8">process::Break</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">// This could happen if there is a de-serialization error.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (record.isError()) {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(record.error());</div><div class="line"><a n ame="l00132"></a><span class="lineno"> 132</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>  <span class="comment">// TODO(vinod): Instead of detecting that the reader went away only</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// after attempting a write, leverage `writer.readerClosed` future.</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (!writer.<a class="code" href="classprocess_1_1http_1_1Pipe_1_1Writer.html#ad945bef2134c872f8ea43dea6db84c66">write</a>(func(record.get()))) {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failur e</a>(<span class="stringliteral">"Write failed to the pipe"</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="structprocess_1_1Continue.html">process::Continue</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> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</ div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">class </span>ReaderProcess : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">process::Process</a><ReaderProcess<T>></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a11e21afb1b5e47b24074c9c8d7775e1e"> 151</a></span>  <a class="code" href="classmesos_1_1internal_1_1reco rdio_1_1internal_1_1ReaderProcess.html#a11e21afb1b5e47b24074c9c8d7775e1e">ReaderProcess</a>(</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  ::<a class="code" href="classrecordio_1_1Decoder.html">recordio::Decoder<T></a>&& _decoder,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> _reader)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  : <a class="code" href="namespaceprocess.html">process</a>::ProcessBase(<a class="code" href="namespaceprocess.html">process</a>::ID::<a class="code" href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">generate</a>(<span class="stringliteral">"__reader__"</span>)),</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  decoder(_decoder),</div><div class="line">< a name="l00156"></a><span class="lineno"> 156</span>  reader(_reader),</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  done(false) {}</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a41f806fdc5a1ee5e8ba3e5ceee729fef"> 159</a></span>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a41f806fdc5a1ee5e8ba3e5ceee729fef">~ReaderProcess</a>() {}</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#ad17237b8d9089c4112dc03268ed1c5e0"> 161</a></span>  <a class="code" href="clas sprocess_1_1Future.html">process::Future<Result<T></a>> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#ad17237b8d9089c4112dc03268ed1c5e0">read</a>()</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (!records.empty()) {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classResult.html">Result<T></a> record = std::move(records.front());</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  records.pop();</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> record;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</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>  <span class="keywordflow">if</span> (<a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>.isSome()) {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(<a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>->message);</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>  <span class="keywordflow">if</span> (done) {</div><div class="line"><a name="l00174"></a><span clas s="lineno"> 174</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">auto</span> waiter = <a class="code" href="classprocess_1_1Owned.html">process::Owned<process::Promise<Result<T></a>>>(</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">new</span> <a class="code" href="classprocess_1_1Promise.html">process::Promise<Result<T></a>>());</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  waiters.push(std::move(waiter));</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword flow">return</span> waiters.back()->future();</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</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> <span class="keyword">protected</span>:</div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#af123bea3321a9d99d1fecaf33cd5179b"> 184</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#af123bea3321a9d99d1fecaf33cd5179b">initialize</a>()<span class="keyword"> override</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  consume();</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a591bf74929a5fc7db08c73c1761e7a50"> 189</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a591bf74929a5fc7db08c73c1761e7a50">finalize</a>()<span class="keyword"> override</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// Fail any remaining waiters.</span></div><div class="line"><a name="l00192"></a><span class="lineno "> 192</span>  fail(<span class="stringliteral">"Reader is terminating"</span>);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">void</span> fail(<span class="keyword">const</span> std::string& message)</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a> = <a class="code" href="classError.html">Error</a>(message);</div><div class="line"><a name="l00199"></a><span class="l ineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">while</span> (!waiters.empty()) {</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  waiters.front()->fail(message);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  waiters.pop();</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">void</span> complete()</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  done = <span class="keyword" >true</span>;</div><div class="line"><a name="l00209"></a><span >class="lineno"> 209</span> </div><div class="line"><a >name="l00210"></a><span class="lineno"> 210</span>  <span >class="keywordflow">while</span> (!waiters.empty()) {</div><div >class="line"><a name="l00211"></a><span class="lineno"> 211</span>  > waiters.front()->set(<a class="code" >href="classResult.html">Result<T>::none</a>());</div><div >class="line"><a name="l00212"></a><span class="lineno"> 212</span>  > waiters.pop();</div><div class="line"><a name="l00213"></a><span >class="lineno"> 213</span>  }</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> </div><div class="line"><a name="l00216"></a><span >class="lineno"> 216</span>  <span class="keyword">using</span> <a >class="code" >href="classprocess_1_1Process.html">process::Process<ReaderProcess <T></a>>::consume;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordtype">void</span> consume()</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  reader.read()</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  .onAny(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">process::defer</a>(<span class="keyword">this</span>, &ReaderProcess::_consume, lambda::_1));</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">void</spa n> _consume(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">process::Future<std::string></a>& <a class="code" href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149616181a10e9f39986f7f">read</a>)</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="keywordflow">if</span> (!read.<a class="code" href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7">isReady</a>()) {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  fail(<span class="stringliteral">"Pipe::Reader failure: "</span> +</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  (read.<a class="code" href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec">isFailed</a>() ? read.<a class="code" href="classprocess_1_1Future.html #ae649c56b07f44c05e4b7aa3620133ff9">failure</a>() : <span class="stringliteral">"discarded"</span>));</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// Have we reached EOF?</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (read->empty()) {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  complete();</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="classTry.html">Try<std::deque<Try<T></a>>> <a class="code" href="namespacerouting_1_1filter_1_1internal.html#a584df149d400373b0ed7c48c1b07cecd">decode</a> = decoder.decode(read.<a class="code" href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4">get</a>());</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (decode.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  fail(<span class="stringliteral">"Decoder failure: "</span> + decode.<a class="code" hre f="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</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="keywordflow">foreach</span> (<span class="keyword">const</span> <a class="code" href="classTry.html">Try<T></a>& record, decode.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>()) {</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (!waiters.empty()) {</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  waiters.front()->set(<a class="code" href="classResult.html">Resul t<T></a>(std::move(record)));</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  waiters.pop();</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  records.push(std::move(record));</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</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> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  consume();</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="classrecordio_1_1Decoder.html">::recordio::Decoder<T></a> decoder;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> reader;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  std::queue<process::Owned<process::Promise<Result<T>>>> waiters;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  std::queue<Result<T>> records;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">bool</span> done;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class ="code" href="classOption.html">Option<Error></a> <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>;</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> };</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> } <span class="comment">// namespace recordio {</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> } <span class="comment">// namespace mesos {</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div clas s="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#endif // __COMMON_RECORDIO_HPP__</span></div><div class="ttc" id="classprocess_1_1Future_html_a68f241961e700d0cecf982d9cc0043d7"><div class="ttname"><a href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7">process::Future::isReady</a></div><div class="ttdeci">bool isReady() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1220</div></div> +<a href="src_2common_2recordio_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 __COMMON_RECORDIO_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __COMMON_RECORDIO_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 <queue></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 <utility></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_2mesos_2mesos_8hpp.html">mesos/mesos.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</span> <span class="preprocessor">#include < <a class="code" href="defer_8hpp.html">process/defer.hpp</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2http_8hpp.html">process/http.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="loop_8hpp.html">process/loop.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="owned_8hpp.html">process/owned.hpp</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preproc essor">#include <<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</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="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="lambda_8hpp.html">stout/lambda.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.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_2in clude_2stout_2recordio_8hpp.html">stout/recordio.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="result_8hpp.html">stout/result.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1recordio.html"> 41</a></span> <span class="keyword">namespace </span><a class="code" href="namespacerecordio.html">recordio</a> {</div><div class="line"><a name="l000 42"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1recordio_1_1internal.html"> 43</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html"> 45</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html">ReaderProcess</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00047"></a><span c lass="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1Reader.html"> 62</a></span> <span class="keyword">class </span><a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html">Reader</a></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// We spawn `ReaderProcess` as a managed process to guarantee</span></div><div class="line"><a name="l00066"></a><span c lass="lineno"> 66</span>  <span class="comment">// that it does not wait on itself (this would cause a deadlock!).</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// See comments in `Connection::Data` for further details.</span></div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ab91aee86565a6eafe13601fbeea41c66"> 68</a></span>  <a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ab91aee86565a6eafe13601fbeea41c66">Reader</a>(::<a class="code" href="classrecordio_1_1Decoder.html">recordio::Decoder<T></a>&& decoder,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> reader)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span >  : <a class="code" href="namespaceprocess.html">process</a>(<a >class="code" href="namespaceprocess.html">process</a>::<a class="code" >href="namespaceprocess.html#aff22904a83567125d3b4d0d88e5a2270">spawn</a>(</div><div > class="line"><a name="l00071"></a><span class="lineno"> 71</span>  > new <a class="code" >href="namespaceinternal.html">internal</a>::ReaderProcess<T>(<a >class="code" href="namespacestd.html">std</a>::move(decoder), >reader),</div><div class="line"><a name="l00072"></a><span class="lineno"> >72</span>  true)) {}</div><div class="line"><a >name="l00073"></a><span class="lineno"> 73</span> </div><div >class="line"><a name="l00074"></a><span class="lineno"><a class="line" >href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ad1adb5f2ced8d8fc56b26e787fecd0a3"> > 74</a></span>  <span class="keyword">virtual</span> <a class="code" >href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ad1adb5f2ced8d8fc56b26e787fecd0a3">~R eader</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>  <span class="comment">// Note that we pass 'false' here to avoid injecting the</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// termination event at the front of the queue. This is</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// to ensure we don't drop any queued request dispatches</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// which would leave the caller with a future stuck in</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// a pending state.</span></div><div class="line"><a name="l00081"></a><span class="line no"> 81</span>  <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">process::terminate</a>(<a class="code" href="namespaceprocess.html">process</a>, <span class="keyword">false</span>);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#a089c0b92ecaffcb3a472103c233e4cf9"> 90</a></span>  <a class="code" href="classprocess_1_1Future.html">process::Future<Result<T></a>> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html#a089c0b92ecaffcb3a472103c233e4cf9">read</a>()</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordf low">return</span> <a class="code" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">process::dispatch</a>(<a class="code" href="namespaceprocess.html">process</a>, &<a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html">internal::ReaderProcess<T>::read</a>);</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> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="structprocess_1_1PID.html">process::PID<internal::ReaderProcess<T></a>> <a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> };</div><div class="line "><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf"> 112</a></span> <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="namespacemesos_1_1internal_1_1recordio.html#a5fcab68176c462aaeed909f304c91bdf">transform</a>(</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned</a><<a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html">Reader<T></a>>&& reader,</div><div class=" line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::function<std::string(<span class="keyword">const</span> T&)>& func,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Writer.html">process::http::Pipe::Writer</a> writer)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a59c192ee8ea5abbbee1642957f47c92a">process::loop</a>(</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="structNone.html">None</a>(),</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  [=]() {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> reader->read();</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="keyword">const</span> <a class="code" href="classResult.html">Result<T></a>& record) <span class="keyword">mutable</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  -> <a class="code" href="classprocess_1_1Future.html">process::Future</a><<a class="code" href="classprocess_1_1ControlFlow.html">process::ControlFlow<Nothing></a>> {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// This could happen if EOF is sent by the writer.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (record.isNo ne()) {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a4beae62da50c26c6cb8afd14e385d0c8">process::Break</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">// This could happen if there is a de-serialization error.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (record.isError()) {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(record.error());</div><div class="line"><a n ame="l00132"></a><span class="lineno"> 132</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>  <span class="comment">// TODO(vinod): Instead of detecting that the reader went away only</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// after attempting a write, leverage `writer.readerClosed` future.</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (!writer.<a class="code" href="classprocess_1_1http_1_1Pipe_1_1Writer.html#ad945bef2134c872f8ea43dea6db84c66">write</a>(func(record.get()))) {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failur e</a>(<span class="stringliteral">"Write failed to the pipe"</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="structprocess_1_1Continue.html">process::Continue</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> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</ div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">class </span>ReaderProcess : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">process::Process</a><ReaderProcess<T>></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a11e21afb1b5e47b24074c9c8d7775e1e"> 151</a></span>  <a class="code" href="classmesos_1_1internal_1_1reco rdio_1_1internal_1_1ReaderProcess.html#a11e21afb1b5e47b24074c9c8d7775e1e">ReaderProcess</a>(</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  ::<a class="code" href="classrecordio_1_1Decoder.html">recordio::Decoder<T></a>&& _decoder,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> _reader)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  : <a class="code" href="namespaceprocess.html">process</a>::ProcessBase(<a class="code" href="namespaceprocess.html">process</a>::ID::<a class="code" href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">generate</a>(<span class="stringliteral">"__reader__"</span>)),</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  decoder(_decoder),</div><div class="line">< a name="l00156"></a><span class="lineno"> 156</span>  reader(_reader),</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  done(false) {}</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a41f806fdc5a1ee5e8ba3e5ceee729fef"> 159</a></span>  <span class="keyword">virtual</span> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a41f806fdc5a1ee5e8ba3e5ceee729fef">~ReaderProcess</a>() {}</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#ad17237b8d9089c4112dc03268ed1c5e0"> 161</a></span>  <a class="code" href="clas sprocess_1_1Future.html">process::Future<Result<T></a>> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#ad17237b8d9089c4112dc03268ed1c5e0">read</a>()</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (!records.empty()) {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classResult.html">Result<T></a> record = std::move(records.front());</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  records.pop();</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> record;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</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>  <span class="keywordflow">if</span> (<a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>.isSome()) {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(<a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>->message);</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>  <span class="keywordflow">if</span> (done) {</div><div class="line"><a name="l00174"></a><span clas s="lineno"> 174</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">auto</span> waiter = <a class="code" href="classprocess_1_1Owned.html">process::Owned<process::Promise<Result<T></a>>>(</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">new</span> <a class="code" href="classprocess_1_1Promise.html">process::Promise<Result<T></a>>());</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  waiters.push(std::move(waiter));</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword flow">return</span> waiters.back()->future();</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</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> <span class="keyword">protected</span>:</div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#af123bea3321a9d99d1fecaf33cd5179b"> 184</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#af123bea3321a9d99d1fecaf33cd5179b">initialize</a>()<span class="keyword"> override</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  consume();</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a591bf74929a5fc7db08c73c1761e7a50"> 189</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a591bf74929a5fc7db08c73c1761e7a50">finalize</a>()<span class="keyword"> override</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// Fail any remaining waiters.</span></div><div class="line"><a name="l00192"></a><span class="lineno "> 192</span>  fail(<span class="stringliteral">"Reader is terminating"</span>);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">void</span> fail(<span class="keyword">const</span> std::string& message)</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a> = <a class="code" href="classError.html">Error</a>(message);</div><div class="line"><a name="l00199"></a><span class="l ineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">while</span> (!waiters.empty()) {</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  waiters.front()->fail(message);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  waiters.pop();</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">void</span> complete()</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  done = <span class="keyword" >true</span>;</div><div class="line"><a name="l00209"></a><span >class="lineno"> 209</span> </div><div class="line"><a >name="l00210"></a><span class="lineno"> 210</span>  <span >class="keywordflow">while</span> (!waiters.empty()) {</div><div >class="line"><a name="l00211"></a><span class="lineno"> 211</span>  > waiters.front()->set(<a class="code" >href="classResult.html">Result<T>::none</a>());</div><div >class="line"><a name="l00212"></a><span class="lineno"> 212</span>  > waiters.pop();</div><div class="line"><a name="l00213"></a><span >class="lineno"> 213</span>  }</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> </div><div class="line"><a name="l00216"></a><span >class="lineno"> 216</span>  <span class="keyword">using</span> <a >class="code" >href="classprocess_1_1Process.html">process::Process<ReaderProcess <T></a>>::consume;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordtype">void</span> consume()</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  reader.read()</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  .onAny(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">process::defer</a>(<span class="keyword">this</span>, &ReaderProcess::_consume, lambda::_1));</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">void</spa n> _consume(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">process::Future<std::string></a>& <a class="code" href="namespacemesos_1_1internal_1_1credentials.html#a137c93d60149616181a10e9f39986f7f">read</a>)</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="keywordflow">if</span> (!read.<a class="code" href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7">isReady</a>()) {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  fail(<span class="stringliteral">"Pipe::Reader failure: "</span> +</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  (read.<a class="code" href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec">isFailed</a>() ? read.<a class="code" href="classprocess_1_1Future.html #ae649c56b07f44c05e4b7aa3620133ff9">failure</a>() : <span class="stringliteral">"discarded"</span>));</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// Have we reached EOF?</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (read->empty()) {</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  complete();</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="classTry.html">Try<std::deque<Try<T></a>>> <a class="code" href="namespacerouting_1_1filter_1_1internal.html#a584df149d400373b0ed7c48c1b07cecd">decode</a> = decoder.decode(read.<a class="code" href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4">get</a>());</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (decode.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  fail(<span class="stringliteral">"Decoder failure: "</span> + decode.<a class="code" hre f="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</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="keywordflow">foreach</span> (<span class="keyword">const</span> <a class="code" href="classTry.html">Try<T></a>& record, decode.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>()) {</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (!waiters.empty()) {</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  waiters.front()->set(<a class="code" href="classResult.html">Resul t<T></a>(std::move(record)));</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  waiters.pop();</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  records.push(std::move(record));</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</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> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  consume();</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="classrecordio_1_1Decoder.html">::recordio::Decoder<T></a> decoder;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> reader;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  std::queue<process::Owned<process::Promise<Result<T>>>> waiters;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  std::queue<Result<T>> records;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">bool</span> done;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class ="code" href="classOption.html">Option<Error></a> <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>;</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> };</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> } <span class="comment">// namespace recordio {</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> } <span class="comment">// namespace mesos {</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div clas s="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#endif // __COMMON_RECORDIO_HPP__</span></div><div class="ttc" id="classprocess_1_1Future_html_a68f241961e700d0cecf982d9cc0043d7"><div class="ttname"><a href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7">process::Future::isReady</a></div><div class="ttdeci">bool isReady() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1227</div></div> <div class="ttc" id="namespaceprocess_1_1ID_html_aeb11a48c9def1da169d8455a30d0ee39"><div class="ttname"><a href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">process::ID::generate</a></div><div class="ttdeci">std::string generate(const std::string &prefix="")</div><div class="ttdoc">Returns &#39;prefix(N)&#39; where N represents the number of instances where the same prefix (wrt...</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:36</div></div> <div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option< Error ></a></div></div> <div class="ttc" id="namespacerecordio_html"><div class="ttname"><a href="namespacerecordio.html">recordio</a></div><div class="ttdoc">Provides facilities for "Record-IO" encoding of data. </div><div class="ttdef"><b>Definition:</b> recordio.hpp:50</div></div> <div class="ttc" id="classTry_html_a8bc7f43e75a47111ea18e9c83b007be5"><div class="ttname"><a href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">Try::get</a></div><div class="ttdeci">T & get()&</div><div class="ttdef"><b>Definition:</b> try.hpp:73</div></div> -<div class="ttc" id="classprocess_1_1Future_html_aa78977d3b585a5f5ccd682c1e9e2ddc4"><div class="ttname"><a href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4">process::Future::get</a></div><div class="ttdeci">const T & get() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1299</div></div> +<div class="ttc" id="classprocess_1_1Future_html_aa78977d3b585a5f5ccd682c1e9e2ddc4"><div class="ttname"><a href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4">process::Future::get</a></div><div class="ttdeci">const T & get() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1306</div></div> <div class="ttc" id="namespaceprocess_html_a4beae62da50c26c6cb8afd14e385d0c8"><div class="ttname"><a href="namespaceprocess.html#a4beae62da50c26c6cb8afd14e385d0c8">process::Break</a></div><div class="ttdeci">ControlFlow< typename std::decay< T >::type >::Break Break(T &&t)</div><div class="ttdef"><b>Definition:</b> loop.hpp:237</div></div> <div class="ttc" id="namespacerouting_1_1filter_1_1internal_html_a584df149d400373b0ed7c48c1b07cecd"><div class="ttname"><a href="namespacerouting_1_1filter_1_1internal.html#a584df149d400373b0ed7c48c1b07cecd">routing::filter::internal::decode</a></div><div class="ttdeci">Result< Classifier > decode(const Netlink< struct rtnl_cls > &cls)</div></div> <div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> check.hpp:33</div></div> -<div class="ttc" id="structprocess_1_1Failure_html"><div class="ttname"><a href="structprocess_1_1Failure.html">process::Failure</a></div><div class="ttdef"><b>Definition:</b> future.hpp:665</div></div> +<div class="ttc" id="structprocess_1_1Failure_html"><div class="ttname"><a href="structprocess_1_1Failure.html">process::Failure</a></div><div class="ttdef"><b>Definition:</b> future.hpp:668</div></div> <div class="ttc" id="include_2mesos_2mesos_8hpp_html"><div class="ttname"><a href="include_2mesos_2mesos_8hpp.html">mesos.hpp</a></div></div> <div class="ttc" id="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess_html_a591bf74929a5fc7db08c73c1761e7a50"><div class="ttname"><a href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html#a591bf74929a5fc7db08c73c1761e7a50">mesos::internal::recordio::internal::ReaderProcess::finalize</a></div><div class="ttdeci">virtual void finalize() override</div><div class="ttdoc">Invoked when a process is terminated. </div><div class="ttdef"><b>Definition:</b> recordio.hpp:189</div></div> <div class="ttc" id="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess_html"><div class="ttname"><a href="classmesos_1_1internal_1_1recordio_1_1internal_1_1ReaderProcess.html">mesos::internal::recordio::internal::ReaderProcess</a></div><div class="ttdef"><b>Definition:</b> recordio.hpp:45</div></div> @@ -83,7 +83,7 @@ <div class="ttc" id="classmesos_1_1internal_1_1recordio_1_1Reader_html_a089c0b92ecaffcb3a472103c233e4cf9"><div class="ttname"><a href="classmesos_1_1internal_1_1recordio_1_1Reader.html#a089c0b92ecaffcb3a472103c233e4cf9">mesos::internal::recordio::Reader::read</a></div><div class="ttdeci">process::Future< Result< T > > read()</div><div class="ttdoc">Returns the next piece of decoded data from the pipe. </div><div class="ttdef"><b>Definition:</b> recordio.hpp:90</div></div> <div class="ttc" id="classprocess_1_1http_1_1Pipe_1_1Writer_html_ad945bef2134c872f8ea43dea6db84c66"><div class="ttname"><a href="classprocess_1_1http_1_1Pipe_1_1Writer.html#ad945bef2134c872f8ea43dea6db84c66">process::http::Pipe::Writer::write</a></div><div class="ttdeci">bool write(std::string s)</div></div> <div class="ttc" id="namespacemesos_html"><div class="ttname"><a href="namespacemesos.html">mesos</a></div><div class="ttdef"><b>Definition:</b> spec.hpp:30</div></div> -<div class="ttc" id="classprocess_1_1Promise_html"><div class="ttname"><a href="classprocess_1_1Promise.html">process::Promise</a></div><div class="ttdef"><b>Definition:</b> future.hpp:73</div></div> +<div class="ttc" id="classprocess_1_1Promise_html"><div class="ttname"><a href="classprocess_1_1Promise.html">process::Promise</a></div><div class="ttdef"><b>Definition:</b> future.hpp:74</div></div> <div class="ttc" id="3rdparty_2libprocess_2include_2process_2pid_8hpp_html"><div class="ttname"><a href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">pid.hpp</a></div></div> <div class="ttc" id="namespaceprocess_html_a59c192ee8ea5abbbee1642957f47c92a"><div class="ttname"><a href="namespaceprocess.html#a59c192ee8ea5abbbee1642957f47c92a">process::loop</a></div><div class="ttdeci">struct ev_loop * loop</div><div class="ttdef"><b>Definition:</b> loop.hpp:456</div></div> <div class="ttc" id="classmesos_1_1internal_1_1recordio_1_1Reader_html_ad1adb5f2ced8d8fc56b26e787fecd0a3"><div class="ttname"><a href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ad1adb5f2ced8d8fc56b26e787fecd0a3">mesos::internal::recordio::Reader::~Reader</a></div><div class="ttdeci">virtual ~Reader()</div><div class="ttdef"><b>Definition:</b> recordio.hpp:74</div></div> @@ -102,7 +102,7 @@ <div class="ttc" id="classmesos_1_1internal_1_1recordio_1_1Reader_html_ab91aee86565a6eafe13601fbeea41c66"><div class="ttname"><a href="classmesos_1_1internal_1_1recordio_1_1Reader.html#ab91aee86565a6eafe13601fbeea41c66">mesos::internal::recordio::Reader::Reader</a></div><div class="ttdeci">Reader(::recordio::Decoder< T > &&decoder, process::http::Pipe::Reader reader)</div><div class="ttdef"><b>Definition:</b> recordio.hpp:68</div></div> <div class="ttc" id="loop_8hpp_html"><div class="ttname"><a href="loop_8hpp.html">loop.hpp</a></div></div> <div class="ttc" id="owned_8hpp_html"><div class="ttname"><a href="owned_8hpp.html">owned.hpp</a></div></div> -<div class="ttc" id="classprocess_1_1Future_html_ae649c56b07f44c05e4b7aa3620133ff9"><div class="ttname"><a href="classprocess_1_1Future.html#ae649c56b07f44c05e4b7aa3620133ff9">process::Future::failure</a></div><div class="ttdeci">const std::string & failure() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1325</div></div> +<div class="ttc" id="classprocess_1_1Future_html_ae649c56b07f44c05e4b7aa3620133ff9"><div class="ttname"><a href="classprocess_1_1Future.html#ae649c56b07f44c05e4b7aa3620133ff9">process::Future::failure</a></div><div class="ttdeci">const std::string & failure() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1332</div></div> <div class="ttc" id="classprocess_1_1Owned_html"><div class="ttname"><a href="classprocess_1_1Owned.html">process::Owned</a></div><div class="ttdef"><b>Definition:</b> owned.hpp:36</div></div> <div class="ttc" id="3rdparty_2libprocess_2include_2process_2http_8hpp_html"><div class="ttname"><a href="3rdparty_2libprocess_2include_2process_2http_8hpp.html">http.hpp</a></div></div> <div class="ttc" id="classprocess_1_1Process_html"><div class="ttname"><a href="classprocess_1_1Process.html">process::Process</a></div><div class="ttdef"><b>Definition:</b> process.hpp:501</div></div> @@ -113,8 +113,8 @@ <div class="ttc" id="libprocess_2include_2process_2process_8hpp_html"><div class="ttname"><a href="libprocess_2include_2process_2process_8hpp.html">process.hpp</a></div></div> <div class="ttc" id="classprocess_1_1http_1_1Pipe_1_1Reader_html"><div class="ttname"><a href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a></div><div class="ttdef"><b>Definition:</b> http.hpp:302</div></div> <div class="ttc" id="classprocess_1_1ControlFlow_html"><div class="ttname"><a href="classprocess_1_1ControlFlow.html">process::ControlFlow</a></div><div class="ttdef"><b>Definition:</b> loop.hpp:163</div></div> -<div class="ttc" id="classprocess_1_1Future_html_a493227e57f8848e37777b89c0f81e2ec"><div class="ttname"><a href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec">process::Future::isFailed</a></div><div class="ttdeci">bool isFailed() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1234</div></div> -<div class="ttc" id="classprocess_1_1Future_html"><div class="ttname"><a href="classprocess_1_1Future.html">process::Future</a></div><div class="ttdef"><b>Definition:</b> future.hpp:57</div></div> +<div class="ttc" id="classprocess_1_1Future_html_a493227e57f8848e37777b89c0f81e2ec"><div class="ttname"><a href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec">process::Future::isFailed</a></div><div class="ttdeci">bool isFailed() const </div><div class="ttdef"><b>Definition:</b> future.hpp:1241</div></div> +<div class="ttc" id="classprocess_1_1Future_html"><div class="ttname"><a href="classprocess_1_1Future.html">process::Future</a></div><div class="ttdef"><b>Definition:</b> future.hpp:58</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start
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