networkaccessmanager.h

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/*
 * LibrePCB - Professional EDA for everyone!
 * Copyright (C) 2013 LibrePCB Developers, see AUTHORS.md for contributors.
 * https://librepcb.org/
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef LIBREPCB_CORE_NETWORKACCESSMANAGER_H
#define LIBREPCB_CORE_NETWORKACCESSMANAGER_H
 
/*******************************************************************************
 *  Includes
 ******************************************************************************/
#include "../fileio/filepath.h"
 
#include <QtCore>
#include <QtNetwork>
 
#include <memory>
 
/*******************************************************************************
 *  Namespace / Forward Declarations
 ******************************************************************************/
namespace librepcb {
 
/*******************************************************************************
 *  Class NetworkAccessManager
 ******************************************************************************/
 
class NetworkAccessManager final : public QThread {
  Q_OBJECT
 
public:
  // Constructors / Destructor
  explicit NetworkAccessManager(const FilePath& cache = FilePath()) noexcept;
  NetworkAccessManager(const NetworkAccessManager& other) = delete;
  ~NetworkAccessManager() noexcept;
 
  // General Methods
  QNetworkReply* get(const QNetworkRequest& request) noexcept;
  QNetworkReply* post(const QNetworkRequest& request,
                      const QByteArray& data) noexcept;
  std::unique_ptr<QIODevice> readFromCache(const QUrl& url) noexcept;
  bool setMinimumCacheExpirationDate(const QUrl& url,
                                     const QDateTime& dt) noexcept;
 
  // Operator Overloadings
  NetworkAccessManager& operator=(const NetworkAccessManager& rhs) = delete;
 
  // Static Methods
  static NetworkAccessManager* instance() noexcept;
 
private:  // Methods
  void run() noexcept override;
  void stop() noexcept;
 
private:  // Data
  const FilePath mCacheFp;
  QSemaphore mThreadStartSemaphore;
  QNetworkAccessManager* mManager;
  static NetworkAccessManager* sInstance;
};
 
}  // namespace librepcb
 
#endif