39 Status WalManager::DeleteFile(const std::string& fname, uint64_t number) {  in DeleteFile()  argument
43     read_first_record_cache_.erase(number);  in DeleteFile()
176     uint64_t number;  in PurgeObsoleteWALFiles()  local
178     if (ParseFileName(f, &number, &type) && type == kLogFile) {  in PurgeObsoleteWALFiles()
198             read_first_record_cache_.erase(number);  in PurgeObsoleteWALFiles()
226               read_first_record_cache_.erase(number);  in PurgeObsoleteWALFiles()
271 void WalManager::ArchiveWALFile(const std::string& fname, uint64_t number) {  in ArchiveWALFile()  argument
272   auto archived_log_name = ArchivedLogFileName(db_options_.wal_dir, number);  in ArchiveWALFile()
293     uint64_t number;  in GetSortedWalsOfType()  local
295     if (ParseFileName(f, &number, &type) && type == kLogFile) {  in GetSortedWalsOfType()
297       Status s = ReadFirstRecord(log_type, number, &sequence);  in GetSortedWalsOfType()
313       s = env_->GetFileSize(LogFileName(path, number), &size_bytes);  in GetSortedWalsOfType()
316         std::string archived_file = ArchivedLogFileName(path, number);  in GetSortedWalsOfType()
331           new LogFileImpl(number, log_type, sequence, size_bytes)));  in GetSortedWalsOfType()
371                                    const uint64_t number,  in ReadFirstRecord()  argument
382     auto itr = read_first_record_cache_.find(number);  in ReadFirstRecord()
390     std::string fname = LogFileName(db_options_.wal_dir, number);  in ReadFirstRecord()
391     s = ReadFirstLine(fname, number, sequence);  in ReadFirstRecord()
401         ArchivedLogFileName(db_options_.wal_dir, number);  in ReadFirstRecord()
402     s = ReadFirstLine(archived_file, number, sequence);  in ReadFirstRecord()
413     read_first_record_cache_.insert({number, *sequence});  in ReadFirstRecord()
418 Status WalManager::GetLiveWalFile(uint64_t number,  in GetLiveWalFile()  argument
424   if (!number) {  in GetLiveWalFile()
431   s = env_->GetFileSize(LogFileName(db_options_.wal_dir, number), &size_bytes);  in GetLiveWalFile()
437   log_file->reset(new LogFileImpl(number, kAliveLogFile,  in GetLiveWalFile()
447                                  const uint64_t number,  in ReadFirstLine()  argument
485                      true /*checksum*/, number);  in ReadFirstLine()