This file is indexed.

/usr/share/qt5/doc/qtwebsockets/qtwebsockets-simplechat-chatserver-cpp.html is in qtwebsockets5-doc-html 5.7.1~20161021-4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>chatserver.cpp Example File | Qt WebSockets 5.7</title>
  <link rel="stylesheet" type="text/css" href="style/offline-simple.css" />
  <script type="text/javascript">
    window.onload = function(){document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css");};
  </script>
</head>
<body>
<div class="header" id="qtdocheader">
  <div class="main">
    <div class="main-rounded">
      <div class="navigationbar">
        <table><tr>
<td >Qt 5.7</td><td ><a href="qtwebsockets-index.html">Qt WebSockets</a></td><td ><a href="qtwebsockets-simplechat-example.html">Simple Chat Example</a></td><td >chatserver.cpp Example File</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.7.1 Reference Documentation</td>
        </tr></table>
      </div>
    </div>
<div class="content">
<div class="line">
<div class="content mainContent">
<div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div>
<h1 class="title">chatserver.cpp Example File</h1>
<span class="subtitle">simplechat/chatserver.cpp</span>
<!-- $$$simplechat/chatserver.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">

  <span class="comment">/****************************************************************************
  **
  ** Copyright (C) 2016 Kurt Pattyn &lt;pattyn.kurt@gmail.com&gt;.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the QtWebSockets module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, you may use this file under the terms of the BSD license
  ** as follows:
  **
  ** &quot;Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&quot;
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/</span>
  <span class="preprocessor">#include &quot;chatserver.h&quot;</span>
  <span class="preprocessor">#include &quot;QtWebSockets/QWebSocketServer&quot;</span>
  <span class="preprocessor">#include &quot;QtWebSockets/QWebSocket&quot;</span>
  <span class="preprocessor">#include &lt;QtCore/QDebug&gt;</span>

  QT_USE_NAMESPACE

  ChatServer<span class="operator">::</span>ChatServer(<span class="type">quint16</span> port<span class="operator">,</span> <span class="type">QObject</span> <span class="operator">*</span>parent) :
      <span class="type">QObject</span>(parent)<span class="operator">,</span>
      m_pWebSocketServer(Q_NULLPTR)<span class="operator">,</span>
      m_clients()
  {
      m_pWebSocketServer <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QWebSocketServer</span>(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">&quot;Chat Server&quot;</span>)<span class="operator">,</span>
                                                <span class="type">QWebSocketServer</span><span class="operator">::</span>NonSecureMode<span class="operator">,</span>
                                                <span class="keyword">this</span>);
      <span class="keyword">if</span> (m_pWebSocketServer<span class="operator">-</span><span class="operator">&gt;</span>listen(<span class="type">QHostAddress</span><span class="operator">::</span>Any<span class="operator">,</span> port))
      {
          <a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;Chat Server listening on port&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> port;
          connect(m_pWebSocketServer<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QWebSocketServer</span><span class="operator">::</span>newConnection<span class="operator">,</span>
                  <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&amp;</span>ChatServer<span class="operator">::</span>onNewConnection);
      }
  }

  ChatServer<span class="operator">::</span><span class="operator">~</span>ChatServer()
  {
      m_pWebSocketServer<span class="operator">-</span><span class="operator">&gt;</span>close();
      <a href="../qtcore/qtalgorithms.html#qDeleteAll">qDeleteAll</a>(m_clients<span class="operator">.</span>begin()<span class="operator">,</span> m_clients<span class="operator">.</span>end());
  }

  <span class="type">void</span> ChatServer<span class="operator">::</span>onNewConnection()
  {
      <span class="type">QWebSocket</span> <span class="operator">*</span>pSocket <span class="operator">=</span> m_pWebSocketServer<span class="operator">-</span><span class="operator">&gt;</span>nextPendingConnection();

      connect(pSocket<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QWebSocket</span><span class="operator">::</span>textMessageReceived<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&amp;</span>ChatServer<span class="operator">::</span>processMessage);
      connect(pSocket<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QWebSocket</span><span class="operator">::</span>disconnected<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&amp;</span>ChatServer<span class="operator">::</span>socketDisconnected);

      m_clients <span class="operator">&lt;</span><span class="operator">&lt;</span> pSocket;
  }

  <span class="type">void</span> ChatServer<span class="operator">::</span>processMessage(<span class="type">QString</span> message)
  {
      <span class="type">QWebSocket</span> <span class="operator">*</span>pSender <span class="operator">=</span> qobject_cast<span class="operator">&lt;</span><span class="type">QWebSocket</span> <span class="operator">*</span><span class="operator">&gt;</span>(sender());
      Q_FOREACH (<span class="type">QWebSocket</span> <span class="operator">*</span>pClient<span class="operator">,</span> m_clients)
      {
          <span class="keyword">if</span> (pClient <span class="operator">!</span><span class="operator">=</span> pSender) <span class="comment">//don't echo message back to sender</span>
          {
              pClient<span class="operator">-</span><span class="operator">&gt;</span>sendTextMessage(message);
          }
      }
  }

  <span class="type">void</span> ChatServer<span class="operator">::</span>socketDisconnected()
  {
      <span class="type">QWebSocket</span> <span class="operator">*</span>pClient <span class="operator">=</span> qobject_cast<span class="operator">&lt;</span><span class="type">QWebSocket</span> <span class="operator">*</span><span class="operator">&gt;</span>(sender());
      <span class="keyword">if</span> (pClient)
      {
          m_clients<span class="operator">.</span>removeAll(pClient);
          pClient<span class="operator">-</span><span class="operator">&gt;</span>deleteLater();
      }
  }

</pre>
</div>
<!-- @@@simplechat/chatserver.cpp -->
        </div>
       </div>
   </div>
   </div>
</div>
<div class="footer">
   <p>
   <acronym title="Copyright">&copy;</acronym> 2016 The Qt Company Ltd.
   Documentation contributions included herein are the copyrights of
   their respective owners.<br>    The documentation provided herein is licensed under the terms of the    <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation    License version 1.3</a> as published by the Free Software Foundation.<br>    Qt and respective logos are trademarks of The Qt Company Ltd.     in Finland and/or other countries worldwide. All other trademarks are property
   of their respective owners. </p>
</div>
</body>
</html>