DBHandler.hpp 1.5 KB

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  1. /* Copyright (C) 2014 Carlos Aguilar Melchor, Joris Barrier, Marc-Olivier Killijian
  2. * This file is part of XPIR.
  3. *
  4. * XPIR is free software: you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation, either version 3 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * XPIR is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with XPIR. If not, see <http://www.gnu.org/licenses/>.
  16. */
  17. #ifndef DEF_DBHANDLER
  18. #define DEF_DBHANDLER
  19. #include <vector>
  20. #include <string>
  21. #include <iostream>
  22. #include <string.h>
  23. class DBHandler
  24. {
  25. private:
  26. std::vector <std::string> file_list; // the output file list
  27. public:
  28. virtual std::string getCatalog(const bool typeOfCatalog)=0;
  29. virtual uint64_t getNbStream()=0;
  30. virtual uint64_t getmaxFileBytesize()=0;
  31. virtual bool openStream(uint64_t streamNb, uint64_t requested_offset)=0;
  32. virtual uint64_t readStream(uint64_t streamNb, char * buf, uint64_t size)=0;
  33. virtual void readAggregatedStream(uint64_t streamNb, uint64_t alpha, uint64_t offset, uint64_t bytes_per_file, char* rawBits);
  34. virtual void closeStream(uint64_t streamNb)=0;
  35. virtual ~DBHandler(){};
  36. private:
  37. uint64_t maxFileBytesize;
  38. };
  39. #endif