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Diffstat (limited to 'lib/backupstore/HousekeepStoreAccount.h')
-rw-r--r-- | lib/backupstore/HousekeepStoreAccount.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/lib/backupstore/HousekeepStoreAccount.h b/lib/backupstore/HousekeepStoreAccount.h new file mode 100644 index 00000000..61cff868 --- /dev/null +++ b/lib/backupstore/HousekeepStoreAccount.h @@ -0,0 +1,111 @@ +// -------------------------------------------------------------------------- +// +// File +// Name: HousekeepStoreAccount.h +// Purpose: Action class to perform housekeeping on a store account +// Created: 11/12/03 +// +// -------------------------------------------------------------------------- + +#ifndef HOUSEKEEPSTOREACCOUNT__H +#define HOUSEKEEPSTOREACCOUNT__H + +#include <string> +#include <set> +#include <vector> + +class BackupStoreDirectory; + +class HousekeepingCallback +{ + public: + virtual ~HousekeepingCallback() {} + virtual bool CheckForInterProcessMsg(int AccountNum = 0, int MaximumWaitTime = 0) = 0; +}; + +// -------------------------------------------------------------------------- +// +// Class +// Name: HousekeepStoreAccount +// Purpose: Action class to perform housekeeping on a store account +// Created: 11/12/03 +// +// -------------------------------------------------------------------------- +class HousekeepStoreAccount +{ +public: + HousekeepStoreAccount(int AccountID, const std::string &rStoreRoot, + int StoreDiscSet, HousekeepingCallback* pHousekeepingCallback); + ~HousekeepStoreAccount(); + + bool DoHousekeeping(bool KeepTryingForever = false); + int GetRefCountsAdjusted() { return mRefCountsAdjusted; } + +private: + // utility functions + void MakeObjectFilename(int64_t ObjectID, std::string &rFilenameOut); + + bool ScanDirectory(int64_t ObjectID); + bool DeleteFiles(); + bool DeleteEmptyDirectories(); + void DeleteEmptyDirectory(int64_t dirId, + std::vector<int64_t>& rToExamine); + void DeleteFile(int64_t InDirectory, int64_t ObjectID, BackupStoreDirectory &rDirectory, const std::string &rDirectoryFilename, int64_t OriginalDirSizeInBlocks); + +private: + typedef struct + { + int64_t mObjectID; + int64_t mInDirectory; + int64_t mSizeInBlocks; + int32_t mMarkNumber; + int32_t mVersionAgeWithinMark; // 0 == current, 1 latest old version, etc + bool mIsFlagDeleted; // false for files flagged "Old" + } DelEn; + + struct DelEnCompare + { + bool operator()(const DelEn &x, const DelEn &y); + }; + + int mAccountID; + std::string mStoreRoot; + int mStoreDiscSet; + HousekeepingCallback* mpHousekeepingCallback; + + int64_t mDeletionSizeTarget; + + std::set<DelEn, DelEnCompare> mPotentialDeletions; + int64_t mPotentialDeletionsTotalSize; + int64_t mMaxSizeInPotentialDeletions; + + // List of directories which are empty, and might be good for deleting + std::vector<int64_t> mEmptyDirectories; + + // The re-calculated blocks used stats + int64_t mBlocksUsed; + int64_t mBlocksInOldFiles; + int64_t mBlocksInDeletedFiles; + int64_t mBlocksInDirectories; + + // Deltas from deletion + int64_t mBlocksUsedDelta; + int64_t mBlocksInOldFilesDelta; + int64_t mBlocksInDeletedFilesDelta; + int64_t mBlocksInDirectoriesDelta; + + // Deletion count + int64_t mFilesDeleted; + int64_t mEmptyDirectoriesDeleted; + + // New reference count list + std::vector<uint32_t> mNewRefCounts; + bool mSuppressRefCountChangeWarnings; + int mRefCountsAdjusted; + + // Poll frequency + int mCountUntilNextInterprocessMsgCheck; +}; + +#endif // HOUSEKEEPSTOREACCOUNT__H + |