28 constexpr uint64_t kFileNumberMask = 0x3FFFFFFFFFFFFFFF;
29 constexpr uint64_t kUnknownOldestAncesterTime = 0;
30 constexpr uint64_t kUnknownFileCreationTime = 0;
35 extern uint64_t PackFileNumberAndPathId(uint64_t number, uint64_t path_id);
45   uint64_t packed_number_and_path_id;
46   uint64_t file_size;  // File size in bytes
52   FileDescriptor(uint64_t number, uint32_t path_id, uint64_t _file_size)  in FileDescriptor()
55   FileDescriptor(uint64_t number, uint32_t path_id, uint64_t _file_size,  in FileDescriptor()
74   uint64_t GetNumber() const {  in GetNumber()
81   uint64_t GetFileSize() const { return file_size; }  in GetFileSize()
93   mutable std::atomic<uint64_t> num_reads_sampled;
111   uint64_t compensated_file_size = 0;
114   uint64_t num_entries = 0;     // the number of entries.
115   uint64_t num_deletions = 0;   // the number of deletion entries.
116   uint64_t raw_key_size = 0;    // total uncompressed key size.
117   uint64_t raw_value_size = 0;  // total uncompressed value size.
130   uint64_t oldest_blob_file_number = kInvalidBlobFileNumber;
136   uint64_t oldest_ancester_time = kUnknownOldestAncesterTime;
139   uint64_t file_creation_time = kUnknownFileCreationTime;
149   FileMetaData(uint64_t file, uint32_t file_path_id, uint64_t file_size,  in FileMetaData()
153                uint64_t oldest_blob_file, uint64_t _oldest_ancester_time,  in FileMetaData()
154                uint64_t _file_creation_time, const std::string& _file_checksum,  in FileMetaData()
191   uint64_t TryGetOldestAncesterTime() {  in TryGetOldestAncesterTime()
201   uint64_t TryGetFileCreationTime() {  in TryGetFileCreationTime()
269   void SetLogNumber(uint64_t num) {  in SetLogNumber()
274   uint64_t GetLogNumber() const { return log_number_; }  in GetLogNumber()
276   void SetPrevLogNumber(uint64_t num) {  in SetPrevLogNumber()
281   uint64_t GetPrevLogNumber() const { return prev_log_number_; }  in GetPrevLogNumber()
283   void SetNextFile(uint64_t num) {  in SetNextFile()
288   uint64_t GetNextFile() const { return next_file_number_; }  in GetNextFile()
297   void SetMinLogNumberToKeep(uint64_t num) {  in SetMinLogNumberToKeep()
302   uint64_t GetMinLogNumberToKeep() const { return min_log_number_to_keep_; }  in GetMinLogNumberToKeep()
312   void DeleteFile(int level, uint64_t file) {  in DeleteFile()
317   using DeletedFiles = std::set<std::pair<int, uint64_t>>;
325   void AddFile(int level, uint64_t file, uint32_t file_path_id,  in AddFile()
326                uint64_t file_size, const InternalKey& smallest,  in AddFile()
329                uint64_t oldest_blob_file_number, uint64_t oldest_ancester_time,  in AddFile()
330                uint64_t file_creation_time, const std::string& file_checksum,  in AddFile()
351   void AddBlobFile(uint64_t blob_file_number, uint64_t total_blob_count,  in AddBlobFile()
352                    uint64_t total_blob_bytes, std::string checksum_method,  in AddBlobFile()
367   void AddBlobFileGarbage(uint64_t blob_file_number,  in AddBlobFileGarbage()
368                           uint64_t garbage_blob_count,  in AddBlobFileGarbage()
369                           uint64_t garbage_blob_bytes) {  in AddBlobFileGarbage()
441   uint64_t log_number_ = 0;
442   uint64_t prev_log_number_ = 0;
443   uint64_t next_file_number_ = 0;
446   uint64_t min_log_number_to_keep_ = 0;