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// distribution boxbackup-0.11rc2 (svn version: 2072)
//
// Copyright (c) 2003 - 2008
// Ben Summers and contributors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All use of this software and associated advertising materials must
// display the following acknowledgment:
// This product includes software developed by Ben Summers.
// 4. The names of the Authors may not be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// [Where legally impermissible the Authors do not disclaim liability for
// direct physical injury or death caused solely by defects in the software
// unless it is modified by a third party.]
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
//
// --------------------------------------------------------------------------
//
// 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 BackupStoreDaemon;
class BackupStoreDirectory;
// --------------------------------------------------------------------------
//
// 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, BackupStoreDaemon &rDaemon);
~HousekeepStoreAccount();
void DoHousekeeping();
private:
// utility functions
void MakeObjectFilename(int64_t ObjectID, std::string &rFilenameOut);
bool ScanDirectory(int64_t ObjectID);
bool DeleteFiles();
bool DeleteEmptyDirectories();
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
} DelEn;
struct DelEnCompare
{
bool operator()(const DelEn &x, const DelEn &y);
};
int mAccountID;
std::string mStoreRoot;
int mStoreDiscSet;
BackupStoreDaemon &mrDaemon;
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;
// Poll frequency
int mCountUntilNextInterprocessMsgCheck;
};
#endif // HOUSEKEEPSTOREACCOUNT__H
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