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src/qmqtt_network_p.h 4.19 KB
210d2652   Steven de Ridder   Initial commit.
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  /* ****************************************************************************
   * Copyright 2019 Open Systems Development BV                                 *
   *                                                                            *
   * Permission is hereby granted, free of charge, to any person obtaining a    *
   * copy of this software and associated documentation files (the "Software"), *
   * to deal in the Software without restriction, including without limitation  *
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
   * and/or sell copies of the Software, and to permit persons to whom the      *
   * Software is furnished to do so, subject to the following conditions:       *
   *                                                                            *
   * The above copyright notice and this permission notice shall be included in *
   * all copies or substantial portions of the Software.                        *
   *                                                                            *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    *
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        *
   * DEALINGS IN THE SOFTWARE.                                                  *
   * ***************************************************************************/
  #ifndef QMQTT_NETWORK_P_H
  #define QMQTT_NETWORK_P_H
  
  #include "qmqtt_networkinterface.h"
  
  #include <QObject>
  #include <QHostAddress>
  #include <QString>
  #include <QByteArray>
  
  #ifdef QT_WEBSOCKETS_LIB
  #include <QWebSocket>
  #endif // QT_WEBSOCKETS_LIB
  
  #ifndef QT_NO_SSL
  #include <QSslConfiguration>
  QT_FORWARD_DECLARE_CLASS(QSslError)
  #endif // QT_NO_SSL
  
  namespace QMQTT {
  
  class SocketInterface;
  class TimerInterface;
  class Frame;
  
  class Network : public NetworkInterface
  {
      Q_OBJECT
  
  public:
      Network(QObject* parent = NULL);
  #ifndef QT_NO_SSL
      Network(const QSslConfiguration& config, QObject* parent = NULL);
  #endif // QT_NO_SSL
  #ifdef QT_WEBSOCKETS_LIB
  #ifndef QT_NO_SSL
      Network(const QString& origin,
              QWebSocketProtocol::Version version,
              const QSslConfiguration* sslConfig,
              QObject* parent = NULL);
  #endif // QT_NO_SSL
      Network(const QString& origin,
              QWebSocketProtocol::Version version,
              QObject* parent = NULL);
  #endif // QT_WEBSOCKETS_LIB
      Network(SocketInterface* socketInterface, TimerInterface* timerInterface,
              QObject* parent = NULL);
      ~Network();
  
      void sendFrame(const Frame &frame);
      bool isConnectedToHost() const;
      bool autoReconnect() const;
      void setAutoReconnect(const bool autoReconnect);
      QAbstractSocket::SocketState state() const;
      int autoReconnectInterval() const;
      void setAutoReconnectInterval(const int autoReconnectInterval);
  #ifndef QT_NO_SSL
      void ignoreSslErrors(const QList<QSslError>& errors);
      QSslConfiguration sslConfiguration() const;
      void setSslConfiguration(const QSslConfiguration& config);
  #endif // QT_NO_SSL
  
  public slots:
      void connectToHost(const QHostAddress& host, const quint16 port);
      void connectToHost(const QString& hostName, const quint16 port);
      void disconnectFromHost();
  #ifndef QT_NO_SSL
      void ignoreSslErrors();
  #endif // QT_NO_SSL
  
  protected slots:
      void onSocketError(QAbstractSocket::SocketError socketError);
  
  protected:
      void initialize();
  
      quint16 _port;
      QHostAddress _host;
      QString _hostName;
      bool _autoReconnect;
      int _autoReconnectInterval;
      SocketInterface* _socket;
      TimerInterface* _autoReconnectTimer;
  
      enum ReadState {
          Header,
          Length,
          PayLoad
      };
  
      ReadState _readState;
      quint8 _header;
      int _length;
      int _shift;
      QByteArray _data;
  
  protected slots:
      void onSocketReadReady();
      void onDisconnected();
      void connectToHost();
  
  private:
      Q_DISABLE_COPY(Network)
  };
  
  } // namespace QMQTT
  
  #endif // QMQTT_NETWORK_P_H