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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">Message.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_MESSAGE_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_MESSAGE_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 "Common.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "Manager.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "Region.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "UnmanagedRegion.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <FairMQLogger.h></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <FairMQMessage.h></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <FairMQUnmanagedRegion.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 <boost/interprocess/mapped_region.hpp></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <cstddef></span> <span class="comment">// size_t</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <atomic></span></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="preprocessor">#include <sys/types.h></span> <span class="comment">// getpid</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <unistd.h></span> <span class="comment">// pid_t</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"> 27</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="l00028"></a><span class="lineno"> 28</span> {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">class </span>Socket;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">class </span>Message final : <span class="keyword">public</span> <a class="code" href="classFairMQMessage.html">fair::mq::Message</a></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">friend</span> <span class="keyword">class </span>Socket;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  Message(Manager& manager, <a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classfair_1_1mq_1_1shmem_1_1Message.html"> 38</a></span>  : fair::mq::<a class="code" href="classfair_1_1mq_1_1shmem_1_1Message.html">Message</a>(factory)</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  , fManager(manager)</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  , fQueued(false)</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  , fMeta{0, 0, 0, fManager.GetSegmentId(), -1}</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  , fRegionPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  , fLocalPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  fManager.IncrementMsgCounter();</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>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classFairMQMessage.html">Message</a>(Manager& manager, <a class="code" href="structfair_1_1mq_1_1Alignment.html">Alignment</a> alignment, <a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  : fair::mq::<a class="code" href="classFairMQMessage.html">Message</a>(factory)</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  , fManager(manager)</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  , fQueued(false)</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  , fMeta{0, 0, 0, fManager.GetSegmentId(), -1}</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  , fAlignment(alignment.alignment)</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  , fRegionPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  , fLocalPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  fManager.IncrementMsgCounter();</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>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  Message(Manager& manager, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size, <a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  : fair::mq::Message(factory)</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  , fManager(manager)</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  , fQueued(false)</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  , fMeta{0, 0, 0, fManager.GetSegmentId(), -1}</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  , fRegionPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  , fLocalPtr(<span class="keyword">nullptr</span>)</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>  InitializeChunk(size);</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  fManager.IncrementMsgCounter();</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>  Message(Manager& manager, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size, Alignment alignment, <a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : fair::mq::Message(factory)</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  , fManager(manager)</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  , fQueued(false)</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  , fMeta{0, 0, 0, fManager.GetSegmentId(), -1}</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  , fAlignment(alignment.alignment)</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  , fRegionPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  , fLocalPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  InitializeChunk(size, fAlignment);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  fManager.IncrementMsgCounter();</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</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>  Message(Manager& manager, <span class="keywordtype">void</span>* data, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size, fairmq_free_fn* ffn, <span class="keywordtype">void</span>* hint = <span class="keyword">nullptr</span>, <a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  : fair::mq::Message(factory)</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  , fManager(manager)</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  , fQueued(false)</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  , fMeta{0, 0, 0, fManager.GetSegmentId(), -1}</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  , fRegionPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  , fLocalPtr(<span class="keyword">nullptr</span>)</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>  <span class="keywordflow">if</span> (InitializeChunk(size)) {</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  std::memcpy(fLocalPtr, data, size);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (ffn) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  ffn(data, hint);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  free(data);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</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>  fManager.IncrementMsgCounter();</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>  Message(Manager& manager, UnmanagedRegionPtr& region, <span class="keywordtype">void</span>* data, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size, <span class="keywordtype">void</span>* hint = 0, <a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  : fair::mq::Message(factory)</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  , fManager(manager)</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  , fQueued(false)</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  , fMeta{size, <span class="keyword">reinterpret_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(hint), <span class="keyword">static_cast<</span>UnmanagedRegion*<span class="keyword">></span>(region.get())->fRegionId, fManager.GetSegmentId(), -1}</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  , fRegionPtr(<span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  , fLocalPtr(<span class="keyword">static_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(data))</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(data) >= <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(region->GetData()) &&</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(data) <= <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(region->GetData()) + region->GetSize()) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  fMeta.fHandle = (boost::interprocess::managed_shared_memory::handle_t)(<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(data) - <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(region->GetData()));</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  LOG(error) << <span class="stringliteral">"trying to create region message with data from outside the region"</span>;</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"trying to create region message with data from outside the region"</span>);</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  fManager.IncrementMsgCounter();</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
|
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<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>  Message(Manager& manager, MetaHeader& hdr, <a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  : fair::mq::Message(factory)</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  , fManager(manager)</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  , fQueued(false)</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  , fMeta{hdr}</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  , fRegionPtr(<span class="keyword">nullptr</span>)</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  , fLocalPtr(<span class="keyword">nullptr</span>)</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  fManager.IncrementMsgCounter();</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
|
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  Message(<span class="keyword">const</span> Message&) = <span class="keyword">delete</span>;</div>
|
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  Message operator=(<span class="keyword">const</span> Message&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">void</span> Rebuild()<span class="keyword"> override</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword"> </span>{</div>
|
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  CloseMessage();</div>
|
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  fQueued = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
|
|
<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="keywordtype">void</span> Rebuild(Alignment alignment)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  fQueued = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  fAlignment = alignment.alignment;</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">void</span> Rebuild(<span class="keyword">const</span> <span class="keywordtype">size_t</span> size)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword"> </span>{</div>
|
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  fQueued = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  InitializeChunk(size);</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">void</span> Rebuild(<span class="keyword">const</span> <span class="keywordtype">size_t</span> size, Alignment alignment)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  fQueued = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  fAlignment = alignment.alignment;</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  InitializeChunk(size, fAlignment);</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>  </div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">void</span> Rebuild(<span class="keywordtype">void</span>* data, <span class="keyword">const</span> <span class="keywordtype">size_t</span> size, fairmq_free_fn* ffn, <span class="keywordtype">void</span>* hint = <span class="keyword">nullptr</span>)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  fQueued = <span class="keyword">false</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> (InitializeChunk(size)) {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  std::memcpy(fLocalPtr, data, size);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (ffn) {</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  ffn(data, hint);</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  } <span class="keywordflow">else</span> {</div>
|
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  free(data);</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>  }</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">void</span>* GetData()<span class="keyword"> const 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">if</span> (!fLocalPtr) {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (fMeta.fRegionId == 0) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (fMeta.fSize > 0) {</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  fManager.GetSegment(fMeta.fSegmentId);</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  fLocalPtr = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(fManager.GetAddressFromHandle(fMeta.fHandle, fMeta.fSegmentId));</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  fLocalPtr = <span class="keyword">nullptr</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"> 189</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  fRegionPtr = fManager.GetRegion(fMeta.fRegionId);</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (fRegionPtr) {</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  fLocalPtr = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(fRegionPtr->fRegion.get_address()) + fMeta.fHandle;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// LOG(warn) << "could not get pointer from a region message";</span></div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  fLocalPtr = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</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>  <span class="keywordflow">return</span> fLocalPtr;</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="keywordtype">size_t</span> GetSize()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> fMeta.fSize; }</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>  <span class="keywordtype">bool</span> SetUsedSize(<span class="keyword">const</span> <span class="keywordtype">size_t</span> newSize)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> (newSize == fMeta.fSize) {</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (newSize == 0) {</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  Deallocate();</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (newSize <= fMeta.fSize) {</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">try</span> {</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">try</span> {</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  fLocalPtr = fManager.ShrinkInPlace(newSize, fLocalPtr, fMeta.fSegmentId);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  fMeta.fSize = newSize;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  } <span class="keywordflow">catch</span> (boost::interprocess::bad_alloc& e) {</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// if shrinking fails (can happen due to boost alignment requirements):</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// unused size >= 1000000 bytes: reallocate fully</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// unused size < 1000000 bytes: simply reset the size and keep the rest of the buffer until message destruction</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (fMeta.fSize - newSize >= 1000000) {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">char</span>* newPtr = fManager.Allocate(newSize, fAlignment);</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (newPtr) {</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  std::memcpy(newPtr, fLocalPtr, newSize);</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  fManager.Deallocate(fMeta.fHandle, fMeta.fSegmentId);</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  fLocalPtr = newPtr;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  fMeta.fHandle = fManager.GetHandleFromAddress(fLocalPtr, fMeta.fSegmentId);</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  LOG(debug) << <span class="stringliteral">"could not set used size: "</span> << e.what();</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  fMeta.fSize = newSize;</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> <span class="keyword">true</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>  } <span class="keywordflow">catch</span> (boost::interprocess::interprocess_exception& e) {</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  LOG(debug) << <span class="stringliteral">"could not set used size: "</span> << e.what();</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  LOG(error) << <span class="stringliteral">"cannot set used size higher than original."</span>;</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <span class="keyword">false</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>  }</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  Transport GetType()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> fair::mq::Transport::SHM; }</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">void</span> Copy(<span class="keyword">const</span> <a class="code" href="classFairMQMessage.html">fair::mq::Message</a>& msg)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> (fMeta.fHandle < 0) {</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  boost::interprocess::managed_shared_memory::handle_t otherHandle = <span class="keyword">static_cast<</span><span class="keyword">const </span>Message&<span class="keyword">></span>(msg).fMeta.fHandle;</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  if (otherHandle) {</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (InitializeChunk(msg.GetSize())) {</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  std::memcpy(GetData(), msg.GetData(), msg.GetSize());</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>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  LOG(error) << <span class="stringliteral">"copy fail: source message not initialized!"</span>;</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>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  LOG(error) << <span class="stringliteral">"copy fail: target message already initialized!"</span>;</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>  }</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  ~Message()<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">try</span> {</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  } <span class="keywordflow">catch</span>(SharedMemoryError& sme) {</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  LOG(error) << <span class="stringliteral">"error closing message: "</span> << sme.what();</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  } <span class="keywordflow">catch</span>(boost::interprocess::lock_exception& le) {</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  LOG(error) << <span class="stringliteral">"error closing message: "</span> << le.what();</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  Manager& fManager;</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordtype">bool</span> fQueued;</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  MetaHeader fMeta;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordtype">size_t</span> fAlignment;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">mutable</span> Region* fRegionPtr;</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keyword">mutable</span> <span class="keywordtype">char</span>* fLocalPtr;</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordtype">char</span>* InitializeChunk(<span class="keyword">const</span> <span class="keywordtype">size_t</span> size, <span class="keywordtype">size_t</span> alignment = 0)</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  {</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  fLocalPtr = fManager.Allocate(size, alignment);</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (fLocalPtr) {</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  fMeta.fHandle = fManager.GetHandleFromAddress(fLocalPtr, fMeta.fSegmentId);</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  fMeta.fSize = size;</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> fLocalPtr;</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordtype">void</span> Deallocate()</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  {</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> (fMeta.fHandle >= 0 && !fQueued) {</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (fMeta.fRegionId == 0) {</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  fManager.GetSegment(fMeta.fSegmentId);</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  fManager.Deallocate(fMeta.fHandle, fMeta.fSegmentId);</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  fMeta.fHandle = -1;</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (!fRegionPtr) {</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  fRegionPtr = fManager.GetRegion(fMeta.fRegionId);</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span> (fRegionPtr) {</div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  fRegionPtr->ReleaseBlock({fMeta.fHandle, fMeta.fSize, fMeta.fHint});</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  LOG(warn) << <span class="stringliteral">"region ack queue for id "</span> << fMeta.fRegionId << <span class="stringliteral">" no longer exist. Not sending ack"</span>;</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  fLocalPtr = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  fMeta.fSize = 0;</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  </div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordtype">void</span> CloseMessage()</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  {</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  Deallocate();</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  fAlignment = 0;</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  fManager.DecrementMsgCounter(); <span class="comment">// TODO: put this to debug mode</span></div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> };</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  </div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> } <span class="comment">// namespace fair::mq::shmem</span></div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#endif </span><span class="comment">/* FAIR_MQ_SHMEM_MESSAGE_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_1Alignment_html"><div class="ttname"><a href="structfair_1_1mq_1_1Alignment.html">fair::mq::Alignment</a></div><div class="ttdef"><b>Definition:</b> FairMQMessage.h:25</div></div>
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<div class="ttc" id="aclassfair_1_1mq_1_1shmem_1_1Message_html"><div class="ttname"><a href="classfair_1_1mq_1_1shmem_1_1Message.html">fair::mq::shmem::Message</a></div><div class="ttdef"><b>Definition:</b> Message.h:39</div></div>
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<div class="ttc" id="aclassFairMQMessage_html"><div class="ttname"><a href="classFairMQMessage.html">FairMQMessage</a></div><div class="ttdef"><b>Definition:</b> FairMQMessage.h:33</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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<div class="ttc" id="aclassFairMQTransportFactory_html"><div class="ttname"><a href="classFairMQTransportFactory.html">FairMQTransportFactory</a></div><div class="ttdef"><b>Definition:</b> FairMQTransportFactory.h:30</div></div>
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