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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_98934c98f70735fe3a272005a9eb8736.html">uvw</a></li> </ul>
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<div class="title">request.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <uv.h></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "resource.hpp"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">namespace </span><a class="code" href="namespaceuvw.html">uvw</a> {</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">template</span><<span class="keyword">typename</span> T, <span class="keyword">typename</span> U></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">class </span>Request: <span class="keyword">public</span> Resource<T, U> {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keyword">static</span> <span class="keyword">auto</span> reserve(U *req) {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">auto</span> ptr = <span class="keyword">static_cast<</span>T*<span class="keyword">></span>(req->data)->shared_from_this();</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  ptr->reset();</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">return</span> ptr;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  }</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">template</span><<span class="keyword">typename</span> E></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> defaultCallback(U *req, <span class="keywordtype">int</span> status) {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">auto</span> ptr = reserve(req);</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">if</span>(status) { ptr->publish(ErrorEvent{status}); }</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">else</span> { ptr->publish(E{}); }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  }</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">template</span><<span class="keyword">typename</span> F, <span class="keyword">typename</span>... Args></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">auto</span> invoke(F &&f, Args&&... args)</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  -> std::enable_if_t<not std::is_void<std::result_of_t<F(Args...)>>::value> {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">auto</span> err = std::forward<F>(f)(std::forward<Args>(args)...);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span>(err) { Emitter<T>::publish(ErrorEvent{err}); }</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">else</span> { this->leak(); }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">template</span><<span class="keyword">typename</span> F, <span class="keyword">typename</span>... Args></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">auto</span> invoke(F &&f, Args&&... args)</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  -> std::enable_if_t<std::is_void<std::result_of_t<F(Args...)>>::value> {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  std::forward<F>(f)(std::forward<Args>(args)...);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  this->leak();</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">using</span> Resource<T, U>::Resource;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">bool</span> cancel() {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> (0 == uv_cancel(this-><span class="keyword">template</span> get<uv_req_t>()));</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> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  std::size_t size() const noexcept {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> uv_req_size(this-><span class="keyword">template</span> get<uv_req_t>()->type);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> };</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div><div class="ttc" id="namespaceuvw_html"><div class="ttname"><a href="namespaceuvw.html">uvw</a></div><div class="ttdoc">uvw default namespace. </div><div class="ttdef"><b>Definition:</b> <a href="async_8hpp_source.html#l00011">async.hpp:11</a></div></div>
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