FairMQ/v1.4.33/Monitor_8h_source.html
2021-03-23 14:11:44 +01:00

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<div id="projectname">FairMQ
&#160;<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">Monitor.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/********************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * This software is distributed under the terms of the *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * GNU Lesser General Public Licence (LGPL) version 3, *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * copied verbatim in the file &quot;LICENSE&quot; *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> ********************************************************************************/</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#ifndef FAIR_MQ_SHMEM_MONITOR_H_</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#define FAIR_MQ_SHMEM_MONITOR_H_</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;thread&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;chrono&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;atomic&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;stdexcept&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;unordered_map&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span> <span class="comment">// pair</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacefair_1_1mq_1_1shmem.html">fair::mq::shmem</a></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;{</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">struct </span>SessionId</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;{</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; std::string sessionId;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keyword">explicit</span> <span class="keyword">operator</span> std::string()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> sessionId; }</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;};</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="structfair_1_1mq_1_1shmem_1_1SessionId.html"> 29</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structfair_1_1mq_1_1shmem_1_1ShmId.html">ShmId</a></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;{</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; std::string shmId;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keyword">explicit</span> <span class="keyword">operator</span> std::string()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> shmId; }</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;};</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structfair_1_1mq_1_1shmem_1_1ShmId.html"> 35</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structfair_1_1mq_1_1shmem_1_1BufferDebugInfo.html">BufferDebugInfo</a></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;{</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <a class="code" href="structfair_1_1mq_1_1shmem_1_1BufferDebugInfo.html">BufferDebugInfo</a>(<span class="keywordtype">size_t</span> offset, pid_t pid, <span class="keywordtype">size_t</span> size, uint64_t creationTime)</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; : fOffset(offset)</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; , fPid(pid)</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; , fSize(size)</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structfair_1_1mq_1_1shmem_1_1BufferDebugInfo.html"> 41</a></span>&#160; , fCreationTime(creationTime)</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; {}</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordtype">size_t</span> fOffset;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; pid_t fPid;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">size_t</span> fSize;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; uint64_t fCreationTime;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;};</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="keyword">class </span>Monitor</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;{</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; Monitor(<span class="keyword">const</span> std::string&amp; shmId, <span class="keywordtype">bool</span> selfDestruct, <span class="keywordtype">bool</span> interactive, <span class="keywordtype">bool</span> viewOnly, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> timeoutInMS, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> intervalInMS, <span class="keywordtype">bool</span> runAsDaemon, <span class="keywordtype">bool</span> cleanOnExit);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; Monitor(<span class="keyword">const</span> Monitor&amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classfair_1_1mq_1_1shmem_1_1Monitor.html"> 56</a></span>&#160; <a class="code" href="classfair_1_1mq_1_1shmem_1_1Monitor.html">Monitor</a> operator=(<span class="keyword">const</span> <a class="code" href="classfair_1_1mq_1_1shmem_1_1Monitor.html">Monitor</a>&amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">virtual</span> ~<a class="code" href="classfair_1_1mq_1_1shmem_1_1Monitor.html">Monitor</a>();</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordtype">void</span> CatchSignals();</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordtype">void</span> Run();</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">static</span> std::vector&lt;std::pair&lt;std::string, bool&gt;&gt; <a class="code" href="classfair_1_1mq_1_1shmem_1_1Monitor.html#a612e661e8ff850117604565b5a55c8fe">Cleanup</a>(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1ShmId.html">ShmId</a>&amp; shmId, <span class="keywordtype">bool</span> verbose = <span class="keyword">true</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">static</span> std::vector&lt;std::pair&lt;std::string, bool&gt;&gt; <a class="code" href="classfair_1_1mq_1_1shmem_1_1Monitor.html#a612e661e8ff850117604565b5a55c8fe">Cleanup</a>(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1SessionId.html">SessionId</a>&amp; sessionId, <span class="keywordtype">bool</span> verbose = <span class="keyword">true</span>);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">static</span> std::vector&lt;std::pair&lt;std::string, bool&gt;&gt; <a class="code" href="classfair_1_1mq_1_1shmem_1_1Monitor.html#ab3cc87eef0f35a4f7e09c5686d2773f6">CleanupFull</a>(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1ShmId.html">ShmId</a>&amp; shmId, <span class="keywordtype">bool</span> verbose = <span class="keyword">true</span>);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keyword">static</span> std::vector&lt;std::pair&lt;std::string, bool&gt;&gt; <a class="code" href="classfair_1_1mq_1_1shmem_1_1Monitor.html#ab3cc87eef0f35a4f7e09c5686d2773f6">CleanupFull</a>(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1SessionId.html">SessionId</a>&amp; sessionId, <span class="keywordtype">bool</span> verbose = <span class="keyword">true</span>);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> PrintDebugInfo(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1ShmId.html">ShmId</a>&amp; shmId);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> PrintDebugInfo(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1SessionId.html">SessionId</a>&amp; shmId);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">static</span> std::unordered_map&lt;uint16_t, std::vector&lt;BufferDebugInfo&gt;&gt; GetDebugInfo(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1ShmId.html">ShmId</a>&amp; shmId);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keyword">static</span> std::unordered_map&lt;uint16_t, std::vector&lt;BufferDebugInfo&gt;&gt; GetDebugInfo(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1SessionId.html">SessionId</a>&amp; shmId);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> RemoveObject(<span class="keyword">const</span> std::string&amp; name);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> RemoveFileMapping(<span class="keyword">const</span> std::string&amp; name);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> RemoveQueue(<span class="keyword">const</span> std::string&amp; name);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> RemoveMutex(<span class="keyword">const</span> std::string&amp; name);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> RemoveCondition(<span class="keyword">const</span> std::string&amp; name);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keyword">struct </span><a class="code" href="structfair_1_1mq_1_1shmem_1_1Monitor_1_1DaemonPresent.html">DaemonPresent</a> : std::runtime_error { <span class="keyword">using</span> std::runtime_error::runtime_error; };</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordtype">void</span> PrintHelp();</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordtype">void</span> MonitorHeartbeats();</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordtype">void</span> CheckSegment();</div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="structfair_1_1mq_1_1shmem_1_1Monitor_1_1DaemonPresent.html"> 97</a></span>&#160; <span class="keywordtype">void</span> Interactive();</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">void</span> SignalMonitor();</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordtype">bool</span> fSelfDestruct; <span class="comment">// will self-destruct after the memory has been closed</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordtype">bool</span> fInteractive; <span class="comment">// running in interactive mode</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordtype">bool</span> fViewOnly; <span class="comment">// view only mode</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordtype">bool</span> fIsDaemon;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordtype">bool</span> fSeenOnce; <span class="comment">// true is segment has been opened successfully at least once</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordtype">bool</span> fCleanOnExit;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fTimeoutInMS;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fIntervalInMS;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; std::string fShmId;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; std::string fSegmentName;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; std::string fManagementSegmentName;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; std::string fControlQueueName;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; std::atomic&lt;bool&gt; fTerminating;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; std::atomic&lt;bool&gt; fHeartbeatTriggered;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; std::chrono::high_resolution_clock::time_point fLastHeartbeat;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; std::thread fSignalThread;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; std::unordered_map&lt;std::string, std::chrono::high_resolution_clock::time_point&gt; fDeviceHeartbeats;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;};</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;} <span class="comment">// namespace fair::mq::shmem</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* FAIR_MQ_SHMEM_MONITOR_H_ */</span><span class="preprocessor"></span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructfair_1_1mq_1_1shmem_1_1SessionId_html"><div class="ttname"><a href="structfair_1_1mq_1_1shmem_1_1SessionId.html">fair::mq::shmem::SessionId</a></div><div class="ttdef"><b>Definition:</b> Monitor.h:30</div></div>
<div class="ttc" id="aclassfair_1_1mq_1_1shmem_1_1Monitor_html_ab3cc87eef0f35a4f7e09c5686d2773f6"><div class="ttname"><a href="classfair_1_1mq_1_1shmem_1_1Monitor.html#ab3cc87eef0f35a4f7e09c5686d2773f6">fair::mq::shmem::Monitor::CleanupFull</a></div><div class="ttdeci">static std::vector&lt; std::pair&lt; std::string, bool &gt; &gt; CleanupFull(const ShmId &amp;shmId, bool verbose=true)</div><div class="ttdoc">Cleanup all shared memory artifacts created by devices and monitors.</div><div class="ttdef"><b>Definition:</b> Monitor.cxx:546</div></div>
<div class="ttc" id="astructfair_1_1mq_1_1shmem_1_1ShmId_html"><div class="ttname"><a href="structfair_1_1mq_1_1shmem_1_1ShmId.html">fair::mq::shmem::ShmId</a></div><div class="ttdef"><b>Definition:</b> Monitor.h:36</div></div>
<div class="ttc" id="astructfair_1_1mq_1_1shmem_1_1Monitor_1_1DaemonPresent_html"><div class="ttname"><a href="structfair_1_1mq_1_1shmem_1_1Monitor_1_1DaemonPresent.html">fair::mq::shmem::Monitor::DaemonPresent</a></div><div class="ttdef"><b>Definition:</b> Monitor.h:97</div></div>
<div class="ttc" id="aclassfair_1_1mq_1_1shmem_1_1Monitor_html"><div class="ttname"><a href="classfair_1_1mq_1_1shmem_1_1Monitor.html">fair::mq::shmem::Monitor</a></div><div class="ttdef"><b>Definition:</b> Monitor.h:57</div></div>
<div class="ttc" id="aclassfair_1_1mq_1_1shmem_1_1Monitor_html_a612e661e8ff850117604565b5a55c8fe"><div class="ttname"><a href="classfair_1_1mq_1_1shmem_1_1Monitor.html#a612e661e8ff850117604565b5a55c8fe">fair::mq::shmem::Monitor::Cleanup</a></div><div class="ttdeci">static std::vector&lt; std::pair&lt; std::string, bool &gt; &gt; Cleanup(const ShmId &amp;shmId, bool verbose=true)</div><div class="ttdoc">Cleanup all shared memory artifacts created by devices.</div><div class="ttdef"><b>Definition:</b> Monitor.cxx:466</div></div>
<div class="ttc" id="astructfair_1_1mq_1_1shmem_1_1BufferDebugInfo_html"><div class="ttname"><a href="structfair_1_1mq_1_1shmem_1_1BufferDebugInfo.html">fair::mq::shmem::BufferDebugInfo</a></div><div class="ttdef"><b>Definition:</b> Monitor.h:42</div></div>
<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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