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html/tcp__client__multi_8cpp_source.html
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s.sviridov
Update Doxyfile, configuration.h, and 944 more files...
28 май 2026, 17:08
28 май 2026, 17:08
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<!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 1.8.20"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Modus: Исходный файл libs/io/tcp_client_multi/src/tcp_client_multi.cpp</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="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script 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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 class="header"> <div class="headertitle"> <div class="title">tcp_client_multi.cpp</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include "tcp_client_multi.h"</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>  </div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> SvTcpClientMulti::SvTcpClientMulti():</div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span>  m_current_connection(nullptr),</div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  m_gap_timer(nullptr),</div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  m_connectionCheckTimer(nullptr)</div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</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>  </div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> SvTcpClientMulti::~SvTcpClientMulti()</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>  stop();</div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  m_gap_timer->stop();</div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="keyword">delete</span> m_gap_timer;</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>  deleteLater();</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>  </div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keywordtype">void</span> SvTcpClientMulti::setParams(<span class="keyword">const</span> QString &params)</div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> {</div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  m_params = tcpclientm::Params::fromJsonString(params);</div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> }</div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/*bool SvTcpClientMulti::configure(modus::module::Config* config) //, modus::IOBuffer*iobuffer)</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">{</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> try {</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"></span> </div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> allocateBuffer(config->bufsize);</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"></span> </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> p_config = config;</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> m_params = tcpclientm::Params::fromJsonString(p_config->io.params);</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"></span> </div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> return true;</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"></span> </div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> } catch (sv::SvException& e) {</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"></span> </div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> p_last_error = e.error;</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> return false;</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> }</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">}*/</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div> <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="class_sv_tcp_client_multi.html#a708e9af2a777634776254958e78eca67"> 43</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_sv_tcp_client_multi.html#a708e9af2a777634776254958e78eca67">SvTcpClientMulti::start</a>()</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// Создание и инициализация объектов; создание подключений сигналов к слотам,</span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// которые необходимы для работы tcp-клиента.</span></div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Создаём коннекшены, в количестве заданном параметром connections</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i < m_params.connections.count(); i++) {</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  m_params.connections[i].init();</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>  <span class="comment">// чтобы потом по сокету найти параметры соединения</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  m_connections_by_socket.insert(m_params.connections.at(i).socket, i);</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// созданные сокеты поключаем к слотам connected и disconnected, для отслеживания этих событий</span></div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  connect(m_params.connections[i].socket, &QTcpSocket::connected, <span class="keyword">this</span>, &SvTcpClientMulti::connected);</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  connect(m_params.connections[i].socket, &QTcpSocket::disconnected, <span class="keyword">this</span>, &SvTcpClientMulti::disconnected);</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  connect(m_params.connections[i].socket, &QTcpSocket::stateChanged, <span class="keyword">this</span>, &SvTcpClientMulti::stateChanged);</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// здесь пишем так, потому что функция error() объявлена в классе modus::SvAbstractInterface. компилятор не может разобраться</span></div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  connect(m_params.connections[i].socket, <span class="keyword">static_cast<</span><span class="keywordtype">void</span> (QTcpSocket::*)(QAbstractSocket::SocketError)<span class="keyword">></span>(&QTcpSocket::error), <span class="keyword">this</span>, &SvTcpClientMulti::soctError);</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="comment">// слот readyRead переключаем в функции checkConnection на сокет, который имеет наибольший приоритет</span></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>  </div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Когда протокольная часть сообщает, что поместила в буфер данные</span></div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// для передачи по интерфейсу -> вызываем функцию "SvTcpClient::write",</span></div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// которая запишет данные из буфера в сокет:</span></div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// connect(p_io_buffer, &modus::IOBuffer::readyWrite, this, &SvTcpClientMulti::write);</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>  p_is_active = <span class="keyword">true</span>;</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// На момент запуска TCP-клиента, TCP-сервер может быть не запущен, поэтому</span></div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// мы по таймеру будем c интервалом, указанным в параметре интерфейса, вызывать</span></div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// функцию "checkConnection", которая будет проверять установлено ли TCP-соединение и,</span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// если оно не установлено, пытаться его установить:</span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  m_connectionCheckTimer = <span class="keyword">new</span> QTimer;</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  connect(m_connectionCheckTimer, &QTimer::timeout, <span class="keyword">this</span>, &SvTcpClientMulti::checkConnection);</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  m_connectionCheckTimer->setSingleShot(<span class="keyword">true</span>);</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// m_connectionCheckTimer->start(m_params.reconnect_period);</span></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="comment">// Устанавливаем параметры таймера, по срабатыванию которого, вызываем функцию "newData", которая</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// устанавливает флаг "is_ready" и испускает сигнал "dataReaded".</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Более подробное описание см. в функции "SvTcpServer::read".</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  m_gap_timer = <span class="keyword">new</span> QTimer;</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  m_gap_timer->setTimerType(Qt::PreciseTimer);</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  m_gap_timer->setInterval(m_params.grain_gap);</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  m_gap_timer->setSingleShot(<span class="keyword">true</span>);</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  connect(m_gap_timer, &QTimer::timeout, <span class="keyword">this</span>, &SvTcpClientMulti::newData);</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>  <span class="comment">// Даём TCP-клиенту команду на подключение к серверу c</span></div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// адресом и портом, указанными в конфигурационном файле для данного интерфейса:</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  checkConnection();</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">// отслеживаем событие подключения для сокетов</span></div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keywordtype">void</span> SvTcpClientMulti::connected(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> {</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  QTcpSocket* socket = (QTcpSocket*)(sender());</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>  <span class="keywordflow">if</span>(socket) {</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// задаем параметры сокета, такие, чтобы при потере соединения, сокет дисконнектился</span></div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// по умолчанию, сокет, даже при физическом разрыве соединения, показывает состояние ConnectedState</span></div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// SO_KEEPALIVE: Этот флаг позволяет активировать или деактивировать механизм keep-alive.</span></div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Keep-alive используется для обнаружения разрыва соединения на уровне сети.</span></div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// TCP_KEEPIDLE: Этот параметр определяет время в секундах, которое соединение должно оставаться</span></div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// без активности перед тем как начать отправлять keep-alive пакеты.</span></div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// TCP_KEEPCNT: Этот параметр определяет количество keep-alive пакетов, которые можно отправить</span></div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// без ответа, прежде чем соединение будет считаться разорванным.</span></div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// TCP_KEEPINTVL: Этот параметр определяет интервал между отправкой keep-alive пакетов в секундах.</span></div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  qintptr fd = socket->socketDescriptor();</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">int</span> enableKeepAlive = m_params.so_keepalive; <span class="comment">// 1</span></div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &enableKeepAlive, <span class="keyword">sizeof</span>(enableKeepAlive));</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> keepidle = m_params.tcp_keepidle; <span class="comment">// 2</span></div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  setsockopt(fd, SOL_TCP, TCP_KEEPIDLE, &keepidle, <span class="keyword">sizeof</span>(keepidle));</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &keepidle, <span class="keyword">sizeof</span>(keepidle));</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>  <span class="keywordtype">int</span> keepcnt = m_params.tcp_keepcnt; <span class="comment">// 1</span></div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  setsockopt(fd, SOL_TCP, TCP_KEEPCNT, &keepcnt, <span class="keyword">sizeof</span>(keepcnt));</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, &keepcnt, <span class="keyword">sizeof</span>(keepcnt));</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>  <span class="keywordtype">int</span> keepintvl = m_params.tcp_keepintvl; <span class="comment">// 1</span></div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  setsockopt(fd, SOL_TCP, TCP_KEEPINTVL, &keepintvl, <span class="keyword">sizeof</span>(keepintvl));</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, &keepintvl, <span class="keyword">sizeof</span>(keepintvl));</div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</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> <span class="keywordtype">void</span> SvTcpClientMulti::disconnected (<span class="keywordtype">void</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>  QTcpSocket* socket = (QTcpSocket*)(sender());</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span>(socket) {</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// если сокет, который дисконнектнулся, относится к текущему подключению, то</span></div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// отключаем этот сокет от слота read и обнуляем текущее подключение (текущего подключения нет)</span></div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span>(m_current_connection && (m_current_connection->socket == socket)) {</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  disconnect(m_current_connection->socket, &QTcpSocket::readyRead, <span class="keyword">this</span>, &SvTcpClientMulti::read);</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  m_current_connection = <span class="keyword">nullptr</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>  </div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  socket->close(); <span class="comment">// ... closes the socket, and resets the name, address, port number and underlying socket descriptor.</span></div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  QString m = QString(<span class="stringliteral">"Отключились от хоста %1:%2"</span>)</div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  .arg(socket->peerAddress().toString())</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  .arg(socket->peerPort());</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>  emit message(m, lldbg, modus::event::mtDisconnect);</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> }</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keywordtype">void</span> SvTcpClientMulti::soctError(QAbstractSocket::SocketError err)</div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> {</div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  QTcpSocket* socket = (QTcpSocket*)(sender());</div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span>(socket) {</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// если сокет, который дисконнектнулся, относится к текущему подключению, то</span></div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// отключаем этот сокет от слота read и обнуляем текущее подключение (текущего подключения нет)</span></div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span>(m_current_connection && (m_current_connection->socket == socket)) {</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>  disconnect(m_current_connection->socket, &QTcpSocket::readyRead, <span class="keyword">this</span>, &SvTcpClientMulti::read);</div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  m_current_connection = <span class="keyword">nullptr</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>  socket->close();</div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  </div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  QString m = QString(<span class="stringliteral">"Ошибка подключения %1:%2. %3"</span>)</div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  .arg(socket->peerAddress().toString())</div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  .arg(socket->peerPort())</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  .arg(tcpclientm::SocketErrors.value(err, QString(<span class="stringliteral">"Неизвестная ошибка"</span>)));</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  emit message(m, lldbg, mterr);</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> }</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> <span class="keywordtype">void</span> SvTcpClientMulti::stateChanged(QAbstractSocket::SocketState state)</div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> {</div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  QTcpSocket* socket = (QTcpSocket*)(sender());</div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  </div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">if</span>(socket) {</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>  QString m = QString(<span class="stringliteral">"Состояние подключения к %1:%2 - %3"</span>)</div> <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  .arg(socket->peerAddress().toString())</div> <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  .arg(socket->peerPort())</div> <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  .arg(tcpclientm::SocketStates.value(state, QString(<span class="stringliteral">"Неизвестное состояние"</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>  emit message(m, lldbg, mtcng);</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>  }</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>  </div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// проверяем, установлено ли TCP-соединение с сервером и,</span></div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// если оно не установлено, будем пытаться подключаться</span></div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="keywordtype">void</span> SvTcpClientMulti::checkConnection(<span class="keywordtype">void</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>  <span class="comment">// массив для хранения текущих состояний подключений</span></div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// после прохода по всем сокетам, заполняется состояниями и отправляется в протокольный модуль</span></div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">char</span> states[m_params.connections.count()];</div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  memset(&states[0], STATE_NO_CONNECTION, m_params.connections.count());</div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  QString states_msg = <span class="stringliteral">"Состояния подключений:"</span>;</div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Если выполняется команда разрыва TCP-соединения с сервером, то до того, как</span></div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// соединение будет разорвано, пытаться его установить - не нужно:</span></div> <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (p_is_active) {</div> <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div> <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// проходим по очереди по всем подключениям, заданным в списке connections</span></div> <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// анализируем и назначаем текущее подключение</span></div> <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i < m_params.connections.count(); i++) {</div> <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div> <div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment">//int error = 0;</span></div> <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">//socklen_t len = sizeof (error);</span></div> <div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment">//int retval = getsockopt(client->socketDescriptor(), SOL_SOCKET, SO_ERROR, &error, &len);</span></div> <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div> <div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment">//if (retval) {</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> <span class="comment">// /* there was a problem getting the error code */</span></div> <div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// emit message(QString("error getting socket error code: %1").arg(strerror(retval)), lldbg, sv::log::mtDebug);</span></div> <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  </div> <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment">//}</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="comment">//if (error) {</span></div> <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  </div> <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment">// /* socket has a non zero error status */</span></div> <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// emit message(QString("socket error: %1\n").arg(strerror(error)), lldbg, sv::log::mtDebug);</span></div> <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div> <div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment">// client->disconnectFromHost();</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="comment">//}</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> <span class="comment">//qDebug() << QString("socket state %1:%2. is current %3")</span></div> <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment">// .arg(m_params.connections.at(i).socket->peerAddress().toString())</span></div> <div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// .arg(m_params.connections.at(i).socket->peerPort())</span></div> <div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment">// .arg(m_current_connection && (m_params.connections.at(i).socket == m_current_connection->socket))</span></div> <div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment">// << m_params.connections[i].socket->state();</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="keywordflow">switch</span> (m_params.connections[i].socket->state()) {</div> <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  </div> <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// если для i-того сокета не установлено соединение</span></div> <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">case</span> QAbstractSocket::UnconnectedState:</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>  <span class="comment">// отключаем все сигналы от слота read (без всяких проверок)</span></div> <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  disconnect(m_params.connections[i].socket, &QTcpSocket::readyRead, <span class="keyword">this</span>, &SvTcpClientMulti::read);</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="comment">// даем команду на подключение</span></div> <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// данную команду выполняем асинхронно. здесь не ждем подключения, чтобы не блокировать поток</span></div> <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// если ждать подключение здесь, то интервал ожидания (для 4 подключений) превышает</span></div> <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">// timeout сигналов и данные на экране мигают (становятся серыми, как будто нет данных, потом восстанавливаются)</span></div> <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// если соединение будет установлено, то для данного сокета будет вызван слот connected</span></div> <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// и при следующем вызове checkConnection, будет произведен его анализ</span></div> <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  m_params.connections.at(i).socket->connectToHost(m_params.connections.at(i).host, m_params.connections.at(i).port);</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">break</span>;</div> <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</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">// если для i-того сокета есть установленное соединение</span></div> <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">case</span> QAbstractSocket::ConnectedState:</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">// если есть текущее соединеине и его приоритет меньше, чем у i-того, то сбрасываем текущее соединение</span></div> <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span>(m_current_connection && (m_params.connections.at(i).priority < m_current_connection->priority)) {</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>  disconnect(m_current_connection->socket, &QTcpSocket::readyRead, <span class="keyword">this</span>, &SvTcpClientMulti::read);</div> <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  m_current_connection = <span class="keyword">nullptr</span>;</div> <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  }</div> <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div> <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// если текущее соединение не задано, то назначаем i-тое</span></div> <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">if</span>(!m_current_connection) {</div> <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div> <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  m_current_connection = &(m_params.connections[i]);</div> <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  connect(m_current_connection->socket, &QTcpSocket::readyRead, <span class="keyword">this</span>, &SvTcpClientMulti::read);</div> <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div> <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  </div> <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">break</span>;</div> <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  </div> <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div> <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div> <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// все другие состояния подключения игнорируем</span></div> <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">default</span>:</div> <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">break</span>;</div> <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div> <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div> <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  </div> <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// проходим по списку подключений, смотрим состояние подключения и заполняем массив</span></div> <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i < m_params.connections.count(); i++) {</div> <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  </div> <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span>(m_params.connections.at(i).socket->state() == QAbstractSocket::ConnectedState)</div> <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  states[i] = &m_params.connections.at(i) == m_current_connection ? STATE_HOST_IN_USE : STATE_HOST_ACCESIBLE;</div> <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  </div> <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  states[i] = STATE_NO_CONNECTION;</div> <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div> <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  states_msg.append(QString(<span class="stringliteral">" %1"</span>).arg(<span class="keywordtype">int</span>(states[i])));</div> <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div> <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div> <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div> <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div> <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// отправляем массив с состояниями в протокольный модуль, для назначения значений сигналам</span></div> <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div> <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  p_duty_buffer.setRawData(&states[0], m_params.connections.count());</div> <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  </div> <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  emit message(states_msg, lldbg, mtrcv);</div> <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div> <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// запускаем таймер проверки подключений, если не был вызван слот stop</span></div> <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span>(p_is_active)</div> <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  m_connectionCheckTimer->start(m_params.reconnect_period);</div> <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div> <div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div> <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div> <div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="keywordtype">void</span> SvTcpClientMulti::read()</div> <div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// Получение данных из сокета.</span></div> <div class="line"><a name="l00327"></a><span class="lineno"> 327</span> {</div> <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  m_gap_timer->stop();</div> <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div> <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  QTcpSocket* socket = (QTcpSocket*)(sender());</div> <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  </div> <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">if</span>(!socket) {</div> <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  </div> <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  emit message(QString(<span class="stringliteral">"Неизвестная ошибка на этапе выполнения. %1:%2"</span>).arg(__FILE__).arg(__LINE__), llerr, mterr, nodata);</div> <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div> <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div> <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  qint64 bytesAvailable = socket->bytesAvailable();</div> <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  </div> <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// проверяем, что новые данные в принципе помещаются в буфер</span></div> <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">if</span>(bytesAvailable > p_config->bufsize) {</div> <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  </div> <div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  emit message(QString(<span class="stringliteral">"Данные превышают заданный размер буфера. %1"</span>).arg(p_config->name), llerr, mterr, nodata);</div> <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  socket->readAll();</div> <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div> <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div> <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// Если места в буфере на новые данные от сокета нет, то очищаем его содержимое</span></div> <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span>(m_needToClearData || p_data_buffer.size() + bytesAvailable > p_config->bufsize)</div> <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  {</div> <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  p_data_buffer.clear();</div> <div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  m_needToClearData = <span class="keyword">false</span>;</div> <div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div> <div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div> <div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  p_data_buffer.append(socket->readAll());</div> <div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  </div> <div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  emit message(notext, lldbg, mtrcv, p_data_buffer);</div> <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div> <div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="comment">// Прочтя поступившие от сервера данные, мы не сразу устанавливаем флаг "is_ready" и</span></div> <div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="comment">// испускаем сигнал "dataReaded",</span></div> <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// которые говорит протокольной части о том что данные от интерфейса получены и</span></div> <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">// находятся в буфере.Это связано с тем, что, возможно, получен ещё не весь пакет прикладного</span></div> <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// уровня (у нас это - уровень устройств и имитаторов). Поэтому мы</span></div> <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">// запускаем на небольшое время (по умолчанию 10 мс) таймер. Если до того, как таймер</span></div> <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// сработает от интерфейса придут новые даннные - мы дополним ими содержимое</span></div> <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="comment">// буфера и перезапустим таймер. По срабатыванию таймера вызывается функция "newData",</span></div> <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">// которая испускает сигнал "dataReaded".</span></div> <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  m_gap_timer->start(m_params.grain_gap);</div> <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  </div> <div class="line"><a name="l00370"></a><span class="lineno"> 370</span> }</div> <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  </div> <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div> <div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="keywordtype">void</span> SvTcpClientMulti::newData(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment">// После выполнения чтения из сокета клиента устанавливаем флаг "is_ready" и</span></div> <div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// испускаем сигнал "dataReaded" с некоторой задержкой.</span></div> <div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="comment">// Более подробное описание см. в функции "SvTcpServer::read"</span></div> <div class="line"><a name="l00377"></a><span class="lineno"> 377</span> {</div> <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  emit dataReady(p_data_buffer);</div> <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  m_needToClearData = <span class="keyword">true</span>;</div> <div class="line"><a name="l00380"></a><span class="lineno"> 380</span> }</div> <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  </div> <div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment">/*void SvTcpClientMulti::say_WorkingOut(QByteArray command)</span></div> <div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment">// Выяснение, какую команду требуется выполнить, и её выполнение.</span></div> <div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment">// Аргумент "command" - требуемая команда.</span></div> <div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment">{</span></div> <div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment"> if (QString(command).toLower() == QString("disconnect")) {</span></div> <div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="comment"></span> </div> <div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="comment"> this->stop();</span></div> <div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="comment"></span> </div> <div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="comment"> }</span></div> <div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="comment"> else if(QString(command).toLower() == "connect") {</span></div> <div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"></span> </div> <div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> p_is_active = true;</span></div> <div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment"></span> </div> <div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment"> checkConnection();</span></div> <div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="comment"></span> </div> <div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment"> // На момент запуска TCP-клиента, TCP-сервер может быть не запущен, поэтому</span></div> <div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="comment"> // мы по таймеру будем c интервалом, указанным в параметре интерфейса, вызывать</span></div> <div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="comment"> // функцию "checkConnection", которая</span></div> <div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment"> // будет проверять установлено ли TCP-соединение и, если оно не установлено, пытаться</span></div> <div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment"> // его установить:</span></div> <div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment"> m_connectionCheckTimer = new QTimer;</span></div> <div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="comment"> connect(m_connectionCheckTimer, &QTimer::timeout, this, &SvTcpClientMulti::checkConnection);</span></div> <div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment"> m_connectionCheckTimer->start(m_params.reconnect_period);</span></div> <div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment"></span> </div> <div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment"> }</span></div> <div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment">}*/</span></div> <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  </div> <div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="keywordtype">void</span> SvTcpClientMulti::stop()</div> <div class="line"><a name="l00410"></a><span class="lineno"> 410</span> {</div> <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  p_is_active = <span class="keyword">false</span>;</div> <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  </div> <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="comment">// отключаем все сигналы таймера от всех слотов</span></div> <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  m_connectionCheckTimer->disconnect();</div> <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  m_connectionCheckTimer->stop();</div> <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keyword">delete</span> m_connectionCheckTimer;</div> <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  m_connectionCheckTimer = <span class="keyword">nullptr</span>;</div> <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  </div> <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// Даём команду на отключение от TCP-сервера:</span></div> <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">for</span>(<a class="code" href="classtcpclientm_1_1_connection_item.html">tcpclientm::ConnectionItem</a> c: m_params.connections) {</div> <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  </div> <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">if</span>(c.socket) {</div> <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div> <div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="comment">// if(c.socket->state() == QAbstractSocket::ConnectedState)</span></div> <div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  c.socket->close();</div> <div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  </div> <div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keyword">delete</span> c.socket;</div> <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  </div> <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div> <div class="line"><a name="l00431"></a><span class="lineno"> 431</span> }</div> <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div> <div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment">/*void SvTcpClientMulti::emit_message(const QByteArray& bytes, int level, quint64 type)</span></div> <div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment">{</span></div> <div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> QString msg = "";</span></div> <div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"></span> </div> <div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"> switch (m_params.fmt) {</span></div> <div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"></span> </div> <div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> case modus::HEX:</span></div> <div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> msg.append(bytes.toHex());</span></div> <div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="comment"> break;</span></div> <div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"></span> </div> <div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="comment"> case modus::ASCII:</span></div> <div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="comment"> msg.append(bytes);</span></div> <div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment"> break;</span></div> <div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment"></span> </div> <div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"> case modus::DATALEN:</span></div> <div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> msg = QString("%1 байт %2").arg(bytes.length()).arg((type & quint64(modus::event::mtSend)) ? "отправлено" : (type & quint64(modus::event::mtReceive)) ? "принято" : "");</span></div> <div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> break;</span></div> <div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"></span> </div> <div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> default:</span></div> <div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> return;</span></div> <div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> break;</span></div> <div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> }</span></div> <div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"></span> </div> <div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"> emit message(bytes, level, type);</span></div> <div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"></span> </div> <div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment">}*/</span></div> <div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div> <div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="keywordtype">void</span> SvTcpClientMulti::resume()</div> <div class="line"><a name="l00462"></a><span class="lineno"> 462</span> {</div> <div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div> <div class="line"><a name="l00464"></a><span class="lineno"> 464</span> }</div> <div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  </div> <div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keywordtype">void</span> SvTcpClientMulti::pause()</div> <div class="line"><a name="l00467"></a><span class="lineno"> 467</span> {</div> <div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  </div> <div class="line"><a name="l00469"></a><span class="lineno"> 469</span> }</div> <div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  </div> <div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="keywordtype">void</span> SvTcpClientMulti::onDataReady(<span class="keyword">const</span> QByteArray &data)</div> <div class="line"><a name="l00472"></a><span class="lineno"> 472</span> {</div> <div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  </div> <div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span>(data.isEmpty() || !m_current_connection)</div> <div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  {</div> <div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">// Если данных для передачи нет, то нечего и передавать (выходим из функции):</span></div> <div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  }</div> <div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  </div> <div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">if</span> (m_current_connection->socket->state() != QAbstractSocket::ConnectedState)</div> <div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  {</div> <div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="comment">// Если соединения с сервером не установлено, то некому и передавать (выходим из функции):</span></div> <div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  }</div> <div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  </div> <div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordtype">bool</span> written = m_current_connection->socket->write(data) > 0;</div> <div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  m_current_connection->socket->flush();</div> <div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  </div> <div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">if</span>(written)</div> <div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  {</div> <div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  emit message(notext, lldbg, mtsnd, data);</div> <div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  </div> <div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="comment">//qDebug() << "TCP-клиент: Передал: ";</span></div> <div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="comment">//qDebug() << "TCP-клиент: Размер: " << sended.length();</span></div> <div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="comment">//qDebug() << "TCP-клиент: Содержание: " << sended.toHex();</span></div> <div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  }</div> <div class="line"><a name="l00497"></a><span class="lineno"> 497</span> }</div> <div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  </div> <div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <a class="code" href="classmodus_1_1module_1_1_abstract_i_o.html">modus::module::AbstractIO</a>* create()</div> <div class="line"><a name="l00501"></a><span class="lineno"> 501</span> {</div> <div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <a class="code" href="classmodus_1_1module_1_1_abstract_i_o.html">modus::module::AbstractIO</a>* io = <span class="keyword">new</span> <a class="code" href="class_sv_tcp_client_multi.html">SvTcpClientMulti</a>();</div> <div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">return</span> io;</div> <div class="line"><a name="l00504"></a><span class="lineno"> 504</span> }</div> <div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div> <div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getVersion()</div> <div class="line"><a name="l00507"></a><span class="lineno"> 507</span> {</div> <div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> LIB_VERSION;</div> <div class="line"><a name="l00509"></a><span class="lineno"> 509</span> }</div> <div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  </div> <div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getParams()</div> <div class="line"><a name="l00512"></a><span class="lineno"> 512</span> {</div> <div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">return</span> tcpclientm::usage; <span class="comment">//.toStdString().c_str(); // Params::usage().toStdString().c_str();</span></div> <div class="line"><a name="l00514"></a><span class="lineno"> 514</span> }</div> <div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  </div> <div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getDefaultParams()</div> <div class="line"><a name="l00517"></a><span class="lineno"> 517</span> {</div> <div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">return</span> tcpclientm::usage; <span class="comment">//.toStdString().c_str(); // Params::usage().toStdString().c_str();</span></div> <div class="line"><a name="l00519"></a><span class="lineno"> 519</span> }</div> <div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  </div> <div class="line"><a name="l00521"></a><span class="lineno"> 521</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getInfo()</div> <div class="line"><a name="l00522"></a><span class="lineno"> 522</span> {</div> <div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">return</span> LIB_SHORT_INFO;</div> <div class="line"><a name="l00524"></a><span class="lineno"> 524</span> }</div> <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  </div> <div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getDescription()</div> <div class="line"><a name="l00527"></a><span class="lineno"> 527</span> {</div> <div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">return</span> LIB_DESCRIPTION;</div> <div class="line"><a name="l00529"></a><span class="lineno"> 529</span> }</div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <div class="ttc" id="aclasstcpclientm_1_1_connection_item_html"><div class="ttname"><a href="classtcpclientm_1_1_connection_item.html">tcpclientm::ConnectionItem</a></div><div class="ttdef"><b>Definition:</b> <a href="tcp__client__multi__defs_8h_source.html#l00116">tcp_client_multi_defs.h:116</a></div></div> <div class="ttc" id="aclassmodus_1_1module_1_1_abstract_i_o_html"><div class="ttname"><a href="classmodus_1_1module_1_1_abstract_i_o.html">modus::module::AbstractIO</a></div><div class="ttdef"><b>Definition:</b> <a href="sv__abstract__io_8h_source.html#l00014">sv_abstract_io.h:15</a></div></div> <div class="ttc" id="aclass_sv_tcp_client_multi_html"><div class="ttname"><a href="class_sv_tcp_client_multi.html">SvTcpClientMulti</a></div><div class="ttdef"><b>Definition:</b> <a href="tcp__client__multi_8h_source.html#l00051">tcp_client_multi.h:52</a></div></div> <div class="ttc" id="aclass_sv_tcp_client_multi_html_a708e9af2a777634776254958e78eca67"><div class="ttname"><a href="class_sv_tcp_client_multi.html#a708e9af2a777634776254958e78eca67">SvTcpClientMulti::start</a></div><div class="ttdeci">bool start() override</div><div class="ttdef"><b>Definition:</b> <a href="tcp__client__multi_8cpp_source.html#l00043">tcp_client_multi.cpp:43</a></div></div> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_6719ab1f1f7655efc2fa43f7eb574fd1.html">libs</a></li><li class="navelem"><a class="el" href="dir_c51a2d8de34ab4670e813bcbe23f07d0.html">io</a></li><li class="navelem"><a class="el" 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