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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">Region.h</div> </div>
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<div class="contents">
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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="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef FAIR_MQ_SHMEM_REGION_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define FAIR_MQ_SHMEM_REGION_H_</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "Common.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <FairMQLogger.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <FairMQUnmanagedRegion.h></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <fairmq/tools/Strings.h></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 <boost/filesystem.hpp></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <boost/process.hpp></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <boost/date_time/posix_time/posix_time.hpp></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <boost/interprocess/managed_shared_memory.hpp></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <boost/interprocess/file_mapping.hpp></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <boost/interprocess/ipc/message_queue.hpp></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <algorithm></span> <span class="comment">// min</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <atomic></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <thread></span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <memory></span> <span class="comment">// make_unique</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <mutex></span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <condition_variable></span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <unordered_map></span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <cerrno></span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <chrono></span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <ios></span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</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="l00043"></a><span class="lineno"> 43</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> <span class="keyword">struct </span>Region</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>  Region(<span class="keyword">const</span> std::string& shmId, uint16_t <span class="keywordtype">id</span>, uint64_t size, <span class="keywordtype">bool</span> remote, RegionCallback callback, RegionBulkCallback bulkCallback, <span class="keyword">const</span> std::string& path, <span class="keywordtype">int</span> flags)</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  : fRemote(remote)</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  , fLinger(100)</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  , fStop(false)</div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structfair_1_1mq_1_1shmem_1_1Region.html"> 51</a></span>  , fName(<span class="stringliteral">"fmq_"</span> + shmId + <span class="stringliteral">"_rg_"</span> + std::to_string(id))</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  , fQueueName(<span class="stringliteral">"fmq_"</span> + shmId + <span class="stringliteral">"_rgq_"</span> + std::to_string(id))</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  , fShmemObject()</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  , fFile(nullptr)</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  , fFileMapping()</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  , fQueue(nullptr)</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  , fAcksReceiver()</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  , fAcksSender()</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  , fCallback(callback)</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  , fBulkCallback(bulkCallback)</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">using namespace </span>boost::interprocess;</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="keywordflow">if</span> (path != <span class="stringliteral">""</span>) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  fName = std::string(path + fName);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (!fRemote) {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// create a file</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  std::filebuf fbuf;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (fbuf.open(fName, std::ios_base::in | std::ios_base::out | std::ios_base::trunc | std::ios_base::binary)) {</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// set the size</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  fbuf.pubseekoff(size - 1, std::ios_base::beg);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  fbuf.sputc(0);</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</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>  fFile = fopen(fName.c_str(), <span class="stringliteral">"r+"</span>);</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (!fFile) {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  LOG(error) << <span class="stringliteral">"Failed to initialize file: "</span> << fName;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  LOG(error) << <span class="stringliteral">"errno: "</span> << errno << <span class="stringliteral">": "</span> << strerror(errno);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">throw</span> std::runtime_error(tools::ToString(<span class="stringliteral">"Failed to initialize file for shared memory region: "</span>, strerror(errno)));</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>  fFileMapping = file_mapping(fName.c_str(), read_write);</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  LOG(debug) << <span class="stringliteral">"shmem: initialized file: "</span> << fName;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  fRegion = mapped_region(fFileMapping, read_write, 0, size, 0, flags);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (fRemote) {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  fShmemObject = shared_memory_object(open_only, fName.c_str(), read_write);</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  fShmemObject = shared_memory_object(create_only, fName.c_str(), read_write);</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  fShmemObject.truncate(size);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  fRegion = mapped_region(fShmemObject, read_write, 0, 0, 0, flags);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</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>  InitializeQueues();</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  StartSendingAcks();</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  LOG(debug) << <span class="stringliteral">"shmem: initialized region: "</span> << fName;</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>  </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="structfair_1_1mq_1_1shmem_1_1Region.html">Region</a>() = <span class="keyword">delete</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>  <a class="code" href="structfair_1_1mq_1_1shmem_1_1Region.html">Region</a>(<span class="keyword">const</span> <a class="code" href="structfair_1_1mq_1_1shmem_1_1Region.html">Region</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="structfair_1_1mq_1_1shmem_1_1Region.html">Region</a>(<a class="code" href="structfair_1_1mq_1_1shmem_1_1Region.html">Region</a>&&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">void</span> InitializeQueues()</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>  <span class="keyword">using namespace </span>boost::interprocess;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (fRemote) {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  fQueue = std::make_unique<message_queue>(open_only, fQueueName.c_str());</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  fQueue = std::make_unique<message_queue>(create_only, fQueueName.c_str(), 1024, fAckBunchSize * <span class="keyword">sizeof</span>(<a class="code" href="structFairMQRegionBlock.html">RegionBlock</a>));</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  LOG(debug) << <span class="stringliteral">"shmem: initialized region queue: "</span> << fQueueName;</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</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>  <span class="keywordtype">void</span> StartSendingAcks() { fAcksSender = std::thread(&Region::SendAcks, <span class="keyword">this</span>); }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">void</span> SendAcks()</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  std::unique_ptr<RegionBlock[]> blocks = std::make_unique<RegionBlock[]>(fAckBunchSize);</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">size_t</span> blocksToSend = 0;</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>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  blocksToSend = 0;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::unique_lock<std::mutex> lock(fBlockMtx);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// try to get <fAckBunchSize> blocks</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (fBlocksToFree.size() < fAckBunchSize) {</div>
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|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  fBlockSendCV.wait_for(lock, std::chrono::milliseconds(500));</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// send whatever blocks we have</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  blocksToSend = std::min(fBlocksToFree.size(), fAckBunchSize);</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  copy_n(fBlocksToFree.end() - blocksToSend, blocksToSend, blocks.get());</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  fBlocksToFree.resize(fBlocksToFree.size() - blocksToSend);</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">if</span> (blocksToSend > 0) {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">while</span> (!fQueue->try_send(blocks.get(), blocksToSend * <span class="keyword">sizeof</span>(RegionBlock), 0) && !fStop) {</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// receiver slow? yield and try again...</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  std::this_thread::yield();</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// LOG(debug) << "Sent " << blocksToSend << " blocks.";</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  } <span class="keywordflow">else</span> { <span class="comment">// blocksToSend == 0</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (fStop) {</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">break</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>  }</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>  LOG(trace) << <span class="stringliteral">"AcksSender for "</span> << fName << <span class="stringliteral">" leaving "</span> << <span class="stringliteral">"(blocks left to free: "</span> << fBlocksToFree.size() << <span class="stringliteral">", "</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  << <span class="stringliteral">" blocks left to send: "</span> << blocksToSend << <span class="stringliteral">")."</span>;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">void</span> StartReceivingAcks() { fAcksReceiver = std::thread(&Region::ReceiveAcks, <span class="keyword">this</span>); }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">void</span> ReceiveAcks()</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> priority;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  boost::interprocess::message_queue::size_type recvdSize;</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  std::unique_ptr<RegionBlock[]> blocks = std::make_unique<RegionBlock[]>(fAckBunchSize);</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  std::vector<fair::mq::RegionBlock> result;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  result.reserve(fAckBunchSize);</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
|
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  uint32_t timeout = 100;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">bool</span> leave = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (fStop) {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  timeout = fLinger;</div>
|
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  leave = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
|
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">auto</span> rcvTill = boost::posix_time::microsec_clock::universal_time() + boost::posix_time::milliseconds(timeout);</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>  <span class="keywordflow">while</span> (fQueue->timed_receive(blocks.get(), fAckBunchSize * <span class="keyword">sizeof</span>(RegionBlock), recvdSize, priority, rcvTill)) {</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">const</span> <span class="keyword">auto</span> numBlocks = recvdSize / <span class="keyword">sizeof</span>(RegionBlock);</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// LOG(debug) << "Received " << numBlocks << " blocks (recvdSize: " << recvdSize << "). (remaining queue size: " << fQueue->get_num_msg() << ").";</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (fBulkCallback) {</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  result.clear();</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < numBlocks; i++) {</div>
|
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  result.emplace_back(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(fRegion.get_address()) + blocks[i].fHandle, blocks[i].fSize, <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(blocks[i].fHint));</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
|
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  fBulkCallback(result);</div>
|
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (fCallback) {</div>
|
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < numBlocks; i++) {</div>
|
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  fCallback(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(fRegion.get_address()) + blocks[i].fHandle, blocks[i].fSize, <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(blocks[i].fHint));</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</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>  <span class="keywordflow">if</span> (leave) {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">break</span>;</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>  }</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>  LOG(trace) << <span class="stringliteral">"AcksReceiver for "</span> << fName << <span class="stringliteral">" leaving (remaining queue size: "</span> << fQueue->get_num_msg() << <span class="stringliteral">")."</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>  </div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">void</span> ReleaseBlock(<span class="keyword">const</span> RegionBlock& block)</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>  std::unique_lock<std::mutex> lock(fBlockMtx);</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>  fBlocksToFree.emplace_back(block);</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> (fBlocksToFree.size() >= fAckBunchSize) {</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  lock.unlock();</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  fBlockSendCV.notify_one();</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">void</span> SetLinger(uint32_t linger) { fLinger = linger; }</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  uint32_t GetLinger()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> fLinger; }</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ~Region()</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  {</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  fStop = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> (fAcksSender.joinable()) {</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  fBlockSendCV.notify_one();</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  fAcksSender.join();</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (!fRemote) {</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (fAcksReceiver.joinable()) {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  fAcksReceiver.join();</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (boost::interprocess::shared_memory_object::remove(fName.c_str())) {</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  LOG(debug) << <span class="stringliteral">"Region '"</span> << fName << <span class="stringliteral">"' destroyed."</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>  <span class="keywordflow">if</span> (boost::interprocess::file_mapping::remove(fName.c_str())) {</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  LOG(debug) << <span class="stringliteral">"File mapping '"</span> << fName << <span class="stringliteral">"' destroyed."</span>;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (fFile) {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  fclose(fFile);</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>  </div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (boost::interprocess::message_queue::remove(fQueueName.c_str())) {</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  LOG(debug) << <span class="stringliteral">"Region queue '"</span> << fQueueName << <span class="stringliteral">"' destroyed."</span>;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// LOG(debug) << "shmem: region '" << fName << "' is remote, no cleanup necessary.";</span></div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  LOG(debug) << <span class="stringliteral">"Region queue '"</span> << fQueueName << <span class="stringliteral">"' is remote, no cleanup necessary"</span>;</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>  </div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  LOG(debug) << <span class="stringliteral">"Region '"</span> << fName << <span class="stringliteral">"' ("</span> << (fRemote ? <span class="stringliteral">"remote"</span> : <span class="stringliteral">"local"</span>) << <span class="stringliteral">") destructed."</span>;</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordtype">bool</span> fRemote;</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  uint32_t fLinger;</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  std::atomic<bool> fStop;</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  std::string fName;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  std::string fQueueName;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  boost::interprocess::shared_memory_object fShmemObject;</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  FILE* fFile;</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  boost::interprocess::file_mapping fFileMapping;</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  boost::interprocess::mapped_region fRegion;</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>  std::mutex fBlockMtx;</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  std::condition_variable fBlockSendCV;</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  std::vector<RegionBlock> fBlocksToFree;</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span> std::size_t fAckBunchSize = 256;</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  std::unique_ptr<boost::interprocess::message_queue> fQueue;</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  std::thread fAcksReceiver;</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  std::thread fAcksSender;</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  RegionCallback fCallback;</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  RegionBulkCallback fBulkCallback;</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> } <span class="comment">// namespace fair::mq::shmem</span></div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="preprocessor">#endif </span><span class="comment">/* FAIR_MQ_SHMEM_REGION_H_ */</span><span class="preprocessor"></span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<div class="ttc" id="astructFairMQRegionBlock_html"><div class="ttname"><a href="structFairMQRegionBlock.html">FairMQRegionBlock</a></div><div class="ttdef"><b>Definition:</b> FairMQUnmanagedRegion.h:56</div></div>
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<div class="ttc" id="astructfair_1_1mq_1_1shmem_1_1Region_html"><div class="ttname"><a href="structfair_1_1mq_1_1shmem_1_1Region.html">fair::mq::shmem::Region</a></div><div class="ttdef"><b>Definition:</b> Region.h:52</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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<p style="margin: 0 12px 10px 12px;"><a href="https://help.github.com/articles/github-privacy-statement/">privacy</a></p>
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