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<h1 class="title">sslechoserver.cpp Example File</h1>
<span class="subtitle">sslechoserver/sslechoserver.cpp</span>
<!-- $$$sslechoserver/sslechoserver.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;sslechoserver.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>
  <span class="preprocessor">#include &lt;QtCore/QFile&gt;</span>
  <span class="preprocessor">#include &lt;QtNetwork/QSslCertificate&gt;</span>
  <span class="preprocessor">#include &lt;QtNetwork/QSslKey&gt;</span>

  QT_USE_NAMESPACE

  SslEchoServer<span class="operator">::</span>SslEchoServer(<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;SSL Echo Server&quot;</span>)<span class="operator">,</span>
                                                <span class="type">QWebSocketServer</span><span class="operator">::</span>SecureMode<span class="operator">,</span>
                                                <span class="keyword">this</span>);
      <span class="type">QSslConfiguration</span> sslConfiguration;
      <span class="type">QFile</span> certFile(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">&quot;:/localhost.cert&quot;</span>));
      <span class="type">QFile</span> keyFile(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">&quot;:/localhost.key&quot;</span>));
      certFile<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>ReadOnly);
      keyFile<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>ReadOnly);
      <span class="type">QSslCertificate</span> certificate(<span class="operator">&amp;</span>certFile<span class="operator">,</span> <span class="type">QSsl</span><span class="operator">::</span>Pem);
      <span class="type">QSslKey</span> sslKey(<span class="operator">&amp;</span>keyFile<span class="operator">,</span> <span class="type">QSsl</span><span class="operator">::</span>Rsa<span class="operator">,</span> <span class="type">QSsl</span><span class="operator">::</span>Pem);
      certFile<span class="operator">.</span>close();
      keyFile<span class="operator">.</span>close();
      sslConfiguration<span class="operator">.</span>setPeerVerifyMode(<span class="type">QSslSocket</span><span class="operator">::</span>VerifyNone);
      sslConfiguration<span class="operator">.</span>setLocalCertificate(certificate);
      sslConfiguration<span class="operator">.</span>setPrivateKey(sslKey);
      sslConfiguration<span class="operator">.</span>setProtocol(<span class="type">QSsl</span><span class="operator">::</span>TlsV1SslV3);
      m_pWebSocketServer<span class="operator">-</span><span class="operator">&gt;</span>setSslConfiguration(sslConfiguration);

      <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;SSL Echo 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>SslEchoServer<span class="operator">::</span>onNewConnection);
          connect(m_pWebSocketServer<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QWebSocketServer</span><span class="operator">::</span>sslErrors<span class="operator">,</span>
                  <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&amp;</span>SslEchoServer<span class="operator">::</span>onSslErrors);
      }
  }

  SslEchoServer<span class="operator">::</span><span class="operator">~</span>SslEchoServer()
  {
      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> SslEchoServer<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();

      <a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;Client connected:&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> pSocket<span class="operator">-</span><span class="operator">&gt;</span>peerName() <span class="operator">&lt;</span><span class="operator">&lt;</span> pSocket<span class="operator">-</span><span class="operator">&gt;</span>origin();

      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>SslEchoServer<span class="operator">::</span>processTextMessage);
      connect(pSocket<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QWebSocket</span><span class="operator">::</span>binaryMessageReceived<span class="operator">,</span>
              <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&amp;</span>SslEchoServer<span class="operator">::</span>processBinaryMessage);
      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>SslEchoServer<span class="operator">::</span>socketDisconnected);
      <span class="comment">//connect(pSocket, &amp;QWebSocket::pong, this, &amp;SslEchoServer::processPong);</span>

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

  <span class="type">void</span> SslEchoServer<span class="operator">::</span>processTextMessage(<span class="type">QString</span> message)
  {
      <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)
      {
          pClient<span class="operator">-</span><span class="operator">&gt;</span>sendTextMessage(message);
      }
  }

  <span class="type">void</span> SslEchoServer<span class="operator">::</span>processBinaryMessage(<span class="type">QByteArray</span> message)
  {
      <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)
      {
          pClient<span class="operator">-</span><span class="operator">&gt;</span>sendBinaryMessage(message);
      }
  }

  <span class="type">void</span> SslEchoServer<span class="operator">::</span>socketDisconnected()
  {
      <a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;Client disconnected&quot;</span>;
      <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();
      }
  }

  <span class="type">void</span> SslEchoServer<span class="operator">::</span>onSslErrors(<span class="keyword">const</span> <span class="type">QList</span><span class="operator">&lt;</span><span class="type">QSslError</span><span class="operator">&gt;</span> <span class="operator">&amp;</span>)
  {
      <a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;Ssl errors occurred&quot;</span>;
  }

</pre>
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<!-- @@@sslechoserver/sslechoserver.cpp -->
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