directorrepository.h

#ifndef DIRECTOR_REPOSITORY_H_
#define DIRECTOR_REPOSITORY_H_
 
#include "gtest/gtest_prod.h"
 
#include "uptanerepository.h"
 
namespace Uptane {
 
/* Director repository encapsulates state of metadata verification process. Subsequent verificaton steps rely on
 * previous ones.
 */
class DirectorRepository : public RepositoryCommon {
 public:
  DirectorRepository() : RepositoryCommon(RepositoryType::Director()) {}
 
  bool verifyTargets(const std::string& targets_raw);
  const Targets& getTargets() const { return targets; }
  std::vector<Uptane::Target> getTargets(const Uptane::EcuSerial& ecu_id,
                                         const Uptane::HardwareIdentifier& hw_id) const {
    return targets.getTargets(ecu_id, hw_id);
  }
  const std::string& getCorrelationId() const { return targets.correlation_id(); }
  bool targetsExpired() const;
  bool checkMetaOffline(INvStorage& storage);
  void dropTargets(INvStorage& storage);
 
  Exception getLastException() const { return last_exception; }
  bool updateMeta(INvStorage& storage, const IMetadataFetcher& fetcher) override;
  bool matchTargetsWithImageTargets(const Uptane::Targets& image_targets) const;
 
 private:
  void resetMeta();
  bool usePreviousTargets() const;
 
 private:
  FRIEND_TEST(Director, EmptyTargets);
  // Since the Director can send us an empty targets list to mean "no new
  // updates", we have to persist the previous targets list. Use the latest for
  // checking expiration but the most recent non-empty list for everything else.
  Uptane::Targets targets;         // Only empty if we've never received non-empty targets.
  Uptane::Targets latest_targets;  // Can be an empty list.
  Exception last_exception{"", ""};
};
 
}  // namespace Uptane
 
#endif  // DIRECTOR_REPOSITORY_H