+ 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 SetSegmentChecksum(const std::string &segment, const std::string &path,
+ const std::string &checksum,
+ int data_size, int disk_size);
+ bool GetSegmentChecksum(const std::string &segment,
+ std::string *seg_path, std::string *seg_checksum);
+
+ 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);