+ void StoreObject(const ObjectReference& ref, double age);
+ ObjectReference FindObject(const std::string &checksum, int64_t size);
+ bool IsOldObject(const std::string &checksum, int64_t size, double *age,
+ int *group);
+ bool IsAvailable(const ObjectReference &ref);
+ void UseObject(const ObjectReference& ref);
+
+ std::set<std::string> GetUsedSegments();
+ void SetSegmentMetadata(const std::string &segment, const std::string &path,
+ const std::string &checksum,
+ const std::string &type, int data_size,
+ int disk_size);
+ std::map<std::string, std::string> GetSegmentMetadata(
+ const std::string &segment);
+
+ bool LoadChunkSignatures(ObjectReference ref,
+ void **buf, size_t *len,
+ std::string *algorithm);
+ void StoreChunkSignatures(ObjectReference ref,
+ const void *buf, size_t len,
+ const std::string &algorithm);