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<div id="projectname">FairMQ
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 <span id="projectnumber">1.4.33</span>
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<div id="projectbrief">C++ Message Queuing Library and Framework</div>
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<li class="navelem"><a class="el" href="dir_d6b28f7731906a8cbc4171450df4b180.html">fairmq</a></li><li class="navelem"><a class="el" href="dir_6475741fe3587c0a949798307da6131d.html">shmem</a></li> </ul>
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<div class="title">Poller.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/********************************************************************************</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This software is distributed under the terms of the *</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * GNU Lesser General Public Licence (LGPL) version 3, *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * copied verbatim in the file "LICENSE" *</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> ********************************************************************************/</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#ifndef FAIR_MQ_SHMEM_POLLER_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#define FAIR_MQ_SHMEM_POLLER_H_</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "Socket.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <fairmq/tools/Strings.h></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <FairMQChannel.h></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <FairMQLogger.h></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <FairMQPoller.h></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <zmq.h></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <unordered_map></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">class </span><a class="code" href="classFairMQChannel.html">FairMQChannel</a>;</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span><a class="code" href="namespacefair_1_1mq_1_1shmem.html">fair::mq::shmem</a></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classfair_1_1mq_1_1shmem_1_1Poller.html"> 27</a></span> <span class="keyword">class </span><a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a> final : <span class="keyword">public</span> <a class="code" href="classFairMQPoller.html">fair::mq::Poller</a></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a>(<span class="keyword">const</span> std::vector<FairMQChannel>& channels)</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  : fItems()</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  , fNumItems(0)</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  , fOffsetMap()</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  fNumItems = channels.size();</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  fItems = <span class="keyword">new</span> zmq_pollitem_t[fNumItems];</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < fNumItems; ++i) {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  fItems[i].socket = <span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classfair_1_1mq_1_1shmem_1_1Socket.html">Socket</a>*<span class="keyword">></span>(&(channels.at(i).GetSocket()))->GetSocket();</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  fItems[i].fd = 0;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  fItems[i].revents = 0;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">int</span> type = 0;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">size_t</span> size = <span class="keyword">sizeof</span>(type);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  zmq_getsockopt(<span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classfair_1_1mq_1_1shmem_1_1Socket.html">Socket</a>*<span class="keyword">></span>(&(channels.at(i).GetSocket()))->GetSocket(), ZMQ_TYPE, &type, &size);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  SetItemEvents(fItems[i], type);</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a>(<span class="keyword">const</span> std::vector<FairMQChannel*>& channels)</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  : fItems()</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  , fNumItems(0)</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  , fOffsetMap()</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  fNumItems = channels.size();</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  fItems = <span class="keyword">new</span> zmq_pollitem_t[fNumItems];</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < fNumItems; ++i) {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  fItems[i].socket = <span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classfair_1_1mq_1_1shmem_1_1Socket.html">Socket</a>*<span class="keyword">></span>(&(channels.at(i)->GetSocket()))->GetSocket();</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  fItems[i].fd = 0;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  fItems[i].revents = 0;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">int</span> type = 0;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">size_t</span> size = <span class="keyword">sizeof</span>(type);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  zmq_getsockopt(<span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classfair_1_1mq_1_1shmem_1_1Socket.html">Socket</a>*<span class="keyword">></span>(&(channels.at(i)->GetSocket()))->GetSocket(), ZMQ_TYPE, &type, &size);</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  SetItemEvents(fItems[i], type);</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a>(<span class="keyword">const</span> std::unordered_map<std::string, std::vector<FairMQChannel>>& channelsMap, <span class="keyword">const</span> std::vector<std::string>& channelList)</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : fItems()</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  , fNumItems(0)</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  , fOffsetMap()</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  {</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span> offset = 0;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// calculate offsets and the total size of the poll item set</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">for</span> (std::string channel : channelList) {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  fOffsetMap[channel] = offset;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  offset += channelsMap.at(channel).size();</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  fNumItems += channelsMap.at(channel).size();</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  fItems = <span class="keyword">new</span> zmq_pollitem_t[fNumItems];</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">int</span> index = 0;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">for</span> (std::string channel : channelList) {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < channelsMap.at(channel).size(); ++i) {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  index = fOffsetMap[channel] + i;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  fItems[index].socket = <span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classfair_1_1mq_1_1shmem_1_1Socket.html">Socket</a>*<span class="keyword">></span>(&(channelsMap.at(channel).at(i).GetSocket()))->GetSocket();</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  fItems[index].fd = 0;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  fItems[index].revents = 0;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">int</span> type = 0;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">size_t</span> size = <span class="keyword">sizeof</span>(type);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  zmq_getsockopt(<span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classfair_1_1mq_1_1shmem_1_1Socket.html">Socket</a>*<span class="keyword">></span>(&(channelsMap.at(channel).at(i).GetSocket()))->GetSocket(), ZMQ_TYPE, &type, &size);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  SetItemEvents(fItems[index], type);</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::out_of_range& oor) {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  LOG(error) << <span class="stringliteral">"At least one of the provided channel keys for poller initialization is invalid."</span> << <span class="stringliteral">" Out of range error: "</span> << oor.what();</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">throw</span> <a class="code" href="structfair_1_1mq_1_1PollerError.html">fair::mq::PollerError</a>(fair::mq::tools::ToString(<span class="stringliteral">"At least one of the provided channel keys for poller initialization is invalid. "</span>, <span class="stringliteral">"Out of range error: "</span>, oor.what()));</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a>(<span class="keyword">const</span> <a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a> operator=(<span class="keyword">const</span> <a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">void</span> SetItemEvents(zmq_pollitem_t& item, <span class="keyword">const</span> <span class="keywordtype">int</span> type)</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (type == ZMQ_REQ || type == ZMQ_REP || type == ZMQ_PAIR || type == ZMQ_DEALER || type == ZMQ_ROUTER) {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  item.events = ZMQ_POLLIN | ZMQ_POLLOUT;</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == ZMQ_PUSH || type == ZMQ_PUB || type == ZMQ_XPUB) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  item.events = ZMQ_POLLOUT;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == ZMQ_PULL || type == ZMQ_SUB || type == ZMQ_XSUB) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  item.events = ZMQ_POLLIN;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  LOG(error) << <span class="stringliteral">"invalid poller configuration, exiting."</span>;</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">throw</span> <a class="code" href="structfair_1_1mq_1_1PollerError.html">fair::mq::PollerError</a>(<span class="stringliteral">"Invalid poller configuration, exiting."</span>);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">void</span> Poll(<span class="keyword">const</span> <span class="keywordtype">int</span> timeout)<span class="keyword"> override</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (zmq_poll(fItems, fNumItems, timeout) < 0) {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (errno == ETERM) {</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  LOG(debug) << <span class="stringliteral">"polling exited, reason: "</span> << zmq_strerror(errno);</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (errno == EINTR) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  LOG(debug) << <span class="stringliteral">"polling interrupted by system call"</span>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  LOG(error) << <span class="stringliteral">"polling failed, reason: "</span> << zmq_strerror(errno);</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">throw</span> <a class="code" href="structfair_1_1mq_1_1PollerError.html">fair::mq::PollerError</a>(fair::mq::tools::ToString(<span class="stringliteral">"Polling failed, reason: "</span>, zmq_strerror(errno)));</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">bool</span> CheckInput(<span class="keyword">const</span> <span class="keywordtype">int</span> index)<span class="keyword"> override</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (fItems[index].revents & ZMQ_POLLIN) {</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">bool</span> CheckOutput(<span class="keyword">const</span> <span class="keywordtype">int</span> index)<span class="keyword"> override</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (fItems[index].revents & ZMQ_POLLOUT) {</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">bool</span> CheckInput(<span class="keyword">const</span> std::string& channelKey, <span class="keyword">const</span> <span class="keywordtype">int</span> index)<span class="keyword"> override</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword"> </span>{</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">try</span> {</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (fItems[fOffsetMap.at(channelKey) + index].revents & ZMQ_POLLIN) {</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
|
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div>
|
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::out_of_range& oor) {</div>
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|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  LOG(error) << <span class="stringliteral">"invalid channel key: '"</span> << channelKey << <span class="stringliteral">"'"</span>;</div>
|
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  LOG(error) << <span class="stringliteral">"out of range error: "</span> << oor.what();</div>
|
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">throw</span> <a class="code" href="structfair_1_1mq_1_1PollerError.html">fair::mq::PollerError</a>(fair::mq::tools::ToString(<span class="stringliteral">"Invalid channel key '"</span>, channelKey, <span class="stringliteral">"'. Out of range error: "</span>, oor.what()));</div>
|
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
|
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">bool</span> CheckOutput(<span class="keyword">const</span> std::string& channelKey, <span class="keyword">const</span> <span class="keywordtype">int</span> index)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">try</span> {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (fItems[fOffsetMap.at(channelKey) + index].revents & ZMQ_POLLOUT) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::out_of_range& oor) {</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  LOG(error) << <span class="stringliteral">"invalid channel key: '"</span> << channelKey << <span class="stringliteral">"'"</span>;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  LOG(error) << <span class="stringliteral">"out of range error: "</span> << oor.what();</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">throw</span> <a class="code" href="structfair_1_1mq_1_1PollerError.html">fair::mq::PollerError</a>(fair::mq::tools::ToString(<span class="stringliteral">"Invalid channel key '"</span>, channelKey, <span class="stringliteral">"'. Out of range error: "</span>, oor.what()));</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
|
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  ~<a class="code" href="classfair_1_1mq_1_1shmem_1_1Poller.html">Poller</a>()<span class="keyword"> override </span>{ <span class="keyword">delete</span>[] fItems; }</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  </div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  zmq_pollitem_t* fItems;</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">int</span> fNumItems;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  std::unordered_map<std::string, int> fOffsetMap;</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> };</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  </div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> } <span class="comment">// namespace fair::mq::shmem</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#endif </span><span class="comment">/* FAIR_MQ_SHMEM_POLLER_H_ */</span><span class="preprocessor"></span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="astructfair_1_1mq_1_1PollerError_html"><div class="ttname"><a href="structfair_1_1mq_1_1PollerError.html">fair::mq::PollerError</a></div><div class="ttdef"><b>Definition:</b> FairMQPoller.h:34</div></div>
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<div class="ttc" id="aclassfair_1_1mq_1_1shmem_1_1Socket_html"><div class="ttname"><a href="classfair_1_1mq_1_1shmem_1_1Socket.html">fair::mq::shmem::Socket</a></div><div class="ttdef"><b>Definition:</b> Socket.h:44</div></div>
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<div class="ttc" id="aclassFairMQPoller_html"><div class="ttname"><a href="classFairMQPoller.html">FairMQPoller</a></div><div class="ttdef"><b>Definition:</b> FairMQPoller.h:16</div></div>
|
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<div class="ttc" id="aclassFairMQChannel_html"><div class="ttname"><a href="classFairMQChannel.html">FairMQChannel</a></div><div class="ttdoc">Wrapper class for FairMQSocket and related methods.</div><div class="ttdef"><b>Definition:</b> FairMQChannel.h:35</div></div>
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<div class="ttc" id="aclassfair_1_1mq_1_1shmem_1_1Poller_html"><div class="ttname"><a href="classfair_1_1mq_1_1shmem_1_1Poller.html">fair::mq::shmem::Poller</a></div><div class="ttdef"><b>Definition:</b> Poller.h:28</div></div>
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<div class="ttc" id="anamespacefair_1_1mq_1_1shmem_html"><div class="ttname"><a href="namespacefair_1_1mq_1_1shmem.html">fair::mq::shmem</a></div><div class="ttdef"><b>Definition:</b> Common.h:33</div></div>
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<p style="margin: 0 12px 10px 12px;"><a href="https://help.github.com/articles/github-privacy-statement/">privacy</a></p>
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