mirror of
https://github.com/FairRootGroup/FairMQ.git
synced 2025-10-13 16:46:47 +00:00
360 lines
46 KiB
HTML
360 lines
46 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.8.18"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>FairMQ: fairmq/zeromq/Message.h Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">FairMQ
|
|
 <span id="projectnumber">1.4.33</span>
|
|
</div>
|
|
<div id="projectbrief">C++ Message Queuing Library and Framework</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.18 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_d6b28f7731906a8cbc4171450df4b180.html">fairmq</a></li><li class="navelem"><a class="el" href="dir_8fb42aac30d996c049163942ceee61d3.html">zeromq</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">Message.h</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/********************************************************************************</span></div>
|
|
<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>
|
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * *</span></div>
|
|
<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>
|
|
<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>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * copied verbatim in the file "LICENSE" *</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> ********************************************************************************/</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef FAIR_MQ_ZMQ_MESSAGE_H</span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define FAIR_MQ_ZMQ_MESSAGE_H</span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <fairmq/zeromq/UnmanagedRegion.h></span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <FairMQLogger.h></span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <FairMQMessage.h></span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <FairMQUnmanagedRegion.h></span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <zmq.h></span></div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <cstddef></span></div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <cstdlib></span> <span class="comment">// malloc</span></div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <cstring></span></div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <memory></span> <span class="comment">// make_unique</span></div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <new></span> <span class="comment">// bad_alloc</span></div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>fair::mq::zmq</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">class </span>Socket;</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">class </span>Message final : <span class="keyword">public</span> <a class="code" href="classFairMQMessage.html">fair::mq::Message</a></div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> {</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">friend</span> <span class="keyword">class </span>Socket;</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  Message(<a class="code" href="classFairMQTransportFactory.html">FairMQTransportFactory</a>* factory = <span class="keyword">nullptr</span>)</div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classfair_1_1mq_1_1zmq_1_1Message.html"> 37</a></span>  : fair::mq::<a class="code" href="classfair_1_1mq_1_1zmq_1_1Message.html">Message</a>(factory)</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  , fAlignment(0)</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  , fMsg(std::make_unique<zmq_msg_t>())</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  {</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">if</span> (zmq_msg_init(fMsg.get()) != 0) {</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  LOG(error) << <span class="stringliteral">"failed initializing message, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classfair_1_1mq_1_1zmq_1_1Message.html">Message</a>(<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>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  : fair::mq::<a class="code" href="classfair_1_1mq_1_1zmq_1_1Message.html">Message</a>(factory)</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  , fAlignment(alignment.alignment)</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  , fMsg(std::make_unique<zmq_msg_t>())</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (zmq_msg_init(fMsg.get()) != 0) {</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  LOG(error) << <span class="stringliteral">"failed initializing message, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  Message(<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>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  : fair::mq::Message(factory)</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  , fAlignment(0)</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  , fMsg(std::make_unique<zmq_msg_t>())</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (zmq_msg_init_size(fMsg.get(), size) != 0) {</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  LOG(error) << <span class="stringliteral">"failed initializing message with size, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">static</span> std::pair<void*, void*> AllocateAligned(<span class="keywordtype">size_t</span> size, <span class="keywordtype">size_t</span> alignment)</div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">char</span>* fullBufferPtr = <span class="keyword">static_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(malloc(size + alignment));</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (!fullBufferPtr) {</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  LOG(error) << <span class="stringliteral">"failed to allocate buffer with provided size ("</span> << size << <span class="stringliteral">") and alignment ("</span> << alignment << <span class="stringliteral">")."</span>;</div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">throw</span> std::bad_alloc();</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">size_t</span> offset = alignment - (<span class="keyword">reinterpret_cast<</span>uintptr_t<span class="keyword">></span>(fullBufferPtr) % alignment);</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">char</span>* alignedPartPtr = fullBufferPtr + offset;</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> {<span class="keyword">static_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(fullBufferPtr), <span class="keyword">static_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(alignedPartPtr)};</div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Message(<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>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  : fair::mq::Message(factory)</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  , fAlignment(alignment.alignment)</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  , fMsg(std::make_unique<zmq_msg_t>())</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (fAlignment != 0) {</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">auto</span> ptrs = AllocateAligned(size, fAlignment);</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (zmq_msg_init_data(fMsg.get(), ptrs.second, size, [](<span class="keywordtype">void</span>* <span class="comment">/* data */</span>, <span class="keywordtype">void</span>* hint) { free(hint); }, ptrs.first) != 0) {</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  LOG(error) << <span class="stringliteral">"failed initializing message with size, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (zmq_msg_init_size(fMsg.get(), size) != 0) {</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  LOG(error) << <span class="stringliteral">"failed initializing message with size, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Message(<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>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  : fair::mq::Message(factory)</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  , fAlignment(0)</div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  , fMsg(std::make_unique<zmq_msg_t>())</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (zmq_msg_init_data(fMsg.get(), data, size, ffn, hint) != 0) {</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  LOG(error) << <span class="stringliteral">"failed initializing message with data, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  Message(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>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  : fair::mq::Message(factory)</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  , fAlignment(0)</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  , fMsg(std::make_unique<zmq_msg_t>())</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// FIXME: make this zero-copy:</span></div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// simply taking over the provided buffer can casue premature delete, since region could be</span></div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// destroyed before the message is sent out. Needs lifetime extension for the ZMQ region.</span></div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (zmq_msg_init_size(fMsg.get(), size) != 0) {</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  LOG(error) << <span class="stringliteral">"failed initializing message with size, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  std::memcpy(zmq_msg_data(fMsg.get()), data, size);</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// call region callback</span></div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">auto</span> ptr = <span class="keyword">static_cast<</span>UnmanagedRegion*<span class="keyword">></span>(region.get());</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (ptr->fBulkCallback) {</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ptr->fBulkCallback({{data, size, hint}});</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ptr->fCallback) {</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  ptr->fCallback(data, size, hint);</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// if (zmq_msg_init_data(fMsg.get(), data, size, [](void*, void*){}, nullptr) != 0)</span></div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// {</span></div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// LOG(error) << "failed initializing message with data, reason: " <<</span></div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// zmq_strerror(errno);</span></div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// }</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">void</span> Rebuild()<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  fMsg = std::make_unique<zmq_msg_t>();</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (zmq_msg_init(fMsg.get()) != 0) {</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  LOG(error) << <span class="stringliteral">"failed initializing message, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">void</span> Rebuild(Alignment alignment)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  fAlignment = alignment.alignment;</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  fMsg = std::make_unique<zmq_msg_t>();</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (zmq_msg_init(fMsg.get()) != 0) {</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  LOG(error) << <span class="stringliteral">"failed initializing message, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</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="l00155"></a><span class="lineno"> 155</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  fMsg = std::make_unique<zmq_msg_t>();</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (zmq_msg_init_size(fMsg.get(), size) != 0) {</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  LOG(error) << <span class="stringliteral">"failed initializing message with size, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</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>  <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="l00164"></a><span class="lineno"> 164</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  fAlignment = alignment.alignment;</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  fMsg = std::make_unique<zmq_msg_t>();</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> (fAlignment != 0) {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">auto</span> ptrs = AllocateAligned(size, fAlignment);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (zmq_msg_init_data(fMsg.get(), ptrs.second, size, [](<span class="keywordtype">void</span>* <span class="comment">/* data */</span>, <span class="keywordtype">void</span>* hint) { free(hint); }, ptrs.first) != 0) {</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  LOG(error) << <span class="stringliteral">"failed initializing message with size, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (zmq_msg_init_size(fMsg.get(), size) != 0) {</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  LOG(error) << <span class="stringliteral">"failed initializing message with size, reason: "</span> << zmq_strerror(errno);</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>  }</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</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="l00182"></a><span class="lineno"> 182</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  CloseMessage();</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  fMsg = std::make_unique<zmq_msg_t>();</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (zmq_msg_init_data(fMsg.get(), data, size, ffn, hint) != 0) {</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  LOG(error) << <span class="stringliteral">"failed initializing message with data, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</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>  </div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">void</span>* GetData()<span class="keyword"> const override</span></div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> (zmq_msg_size(fMsg.get()) > 0) {</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> zmq_msg_data(fMsg.get());</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> <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>  <span class="keywordtype">size_t</span> GetSize()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> zmq_msg_size(fMsg.get()); }</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="comment">// To emulate shrinking, a new message is created with the new size (ViewMsg), that points to</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// the original buffer with the new size. Once the "view message" is transfered, the original is</span></div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// destroyed. Used size is applied only once in ApplyUsedSize, which is called by the socket</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// before sending. This function just updates the desired size until the actual "resizing"</span></div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// happens.</span></div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">bool</span> SetUsedSize(<span class="keyword">const</span> <span class="keywordtype">size_t</span> size)<span class="keyword"> override</span></div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword"> </span>{</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (size == GetSize()) {</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// nothing to do</span></div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (size > GetSize()) {</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  LOG(error) << <span class="stringliteral">"cannot set used size higher than original."</span>;</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">auto</span> newMsg = std::make_unique<zmq_msg_t>();</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordtype">void</span>* data = GetData();</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (zmq_msg_init_data(newMsg.get(), data, size, [](<span class="keywordtype">void</span>* <span class="comment">/* data */</span>, <span class="keywordtype">void</span>* obj) {</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  zmq_msg_close(static_cast<zmq_msg_t*>(obj));</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  delete static_cast<zmq_msg_t*>(obj);</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }, fMsg.get()) != 0) {</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  LOG(error) << <span class="stringliteral">"failed initializing message with data, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  fMsg.release();</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  fMsg.swap(newMsg);</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</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="keywordtype">void</span> Realign()</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  {</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// if alignment is provided</span></div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (fAlignment != 0) {</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">void</span>* data = GetData();</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordtype">size_t</span> size = GetSize();</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// if buffer is valid && not already aligned with the given alignment</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (data != <span class="keyword">nullptr</span> && <span class="keyword">reinterpret_cast<</span>uintptr_t<span class="keyword">></span>(GetData()) % fAlignment) {</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// create new aligned buffer</span></div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">auto</span> ptrs = AllocateAligned(size, fAlignment);</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  std::memcpy(ptrs.second, zmq_msg_data(fMsg.get()), size);</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// rebuild the message with the new buffer</span></div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  Rebuild(ptrs.second, size, [](<span class="keywordtype">void</span>* <span class="comment">/* buf */</span>, <span class="keywordtype">void</span>* hint) { free(hint); }, ptrs.first);</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</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> Transport::ZMQ; }</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="keyword">const</span> Message& zMsg = <span class="keyword">static_cast<</span><span class="keyword">const </span>Message&<span class="keyword">></span>(msg);</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// Shares the message buffer between msg and this fMsg.</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (zmq_msg_copy(fMsg.get(), zMsg.GetMessage()) != 0) {</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  LOG(error) << <span class="stringliteral">"failed copying message, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span>;</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>  }</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  </div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  ~Message()<span class="keyword"> override </span>{ CloseMessage(); }</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">size_t</span> fAlignment;</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  std::unique_ptr<zmq_msg_t> fMsg;</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>  zmq_msg_t* GetMessage()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> fMsg.get(); }</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">void</span> CloseMessage()</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>  <span class="keywordflow">if</span> (zmq_msg_close(fMsg.get()) != 0) {</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  LOG(error) << <span class="stringliteral">"failed closing message, reason: "</span> << zmq_strerror(errno);</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// reset the message object to allow reuse in Rebuild</span></div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  fMsg.reset(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  fAlignment = 0;</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> };</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> } <span class="comment">// namespace fair::mq::zmq</span></div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#endif </span><span class="comment">/* FAIR_MQ_ZMQ_MESSAGE_H */</span><span class="preprocessor"></span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<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>
|
|
<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>
|
|
<div class="ttc" id="aclassfair_1_1mq_1_1zmq_1_1Message_html"><div class="ttname"><a href="classfair_1_1mq_1_1zmq_1_1Message.html">fair::mq::zmq::Message</a></div><div class="ttdef"><b>Definition:</b> Message.h:38</div></div>
|
|
<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>
|
|
<p style="margin: 0 12px 10px 12px;"><a href="https://help.github.com/articles/github-privacy-statement/">privacy</a></p>
|