statistics_database.h

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#ifndef CVMFS_STATISTICS_DATABASE_H_
#define CVMFS_STATISTICS_DATABASE_H_

#include <ctime>
#include <string>

#include "options.h"
#include "sql.h"
#include "statistics.h"
#include "upload.h"
#include "util/posix.h"
#include "util/string.h"

struct Stats;

class StatisticsDatabase : public sqlite::Database<StatisticsDatabase> {
 protected:
  friend class sqlite::Database<StatisticsDatabase>;
  StatisticsDatabase(const std::string &filename, const OpenMode open_mode);

  std::string repo_name_;

  bool StoreEntry(const std::string &insert_statement);

  bool Prune(uint32_t days);

 public:
  // not const - needs to be adaptable!
  static float kLatestSchema;
  // not const - needs to be adaptable!
  static unsigned kLatestSchemaRevision;
  static const float kLatestCompatibleSchema;
  static bool compacting_fails;
  static unsigned int instances;
  unsigned int create_empty_db_calls;
  unsigned int check_compatibility_calls;
  unsigned int live_upgrade_calls;
  mutable unsigned int compact_calls;

  bool CreateEmptyDatabase();
  bool CheckSchemaCompatibility();
  bool LiveSchemaUpgradeIfNecessary();
  bool CompactDatabase() const;
  ~StatisticsDatabase();

  static StatisticsDatabase *OpenStandardDB(const std::string repo_name);

  bool StorePublishStatistics(const perf::Statistics *statistics,
                              const std::string &start_time,
                              const bool success);

  bool StoreGCStatistics(const perf::Statistics *statistics,
                         const std::string &start_time,
                         const bool success);

  bool UploadStatistics(upload::Spooler *spooler, std::string local_path = "");

  bool UploadStatistics(upload::AbstractUploader *uploader,
                        std::string local_path = "");

  static void GetDBParams(const std::string &repo_name,
                          std::string *path,
                          uint32_t *days_to_keep);

  static bool GcExtendedStats(const std::string &repo_name);

 private:
  static const uint32_t kDefaultDaysToKeep;
};


#endif  // CVMFS_STATISTICS_DATABASE_H_