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/*
* This file is part of nzbget. See <http://nzbget.net>.
*
* Copyright (C) 2007-2019 Andrey Prygunkov <hugbug@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DISKSTATE_H
#define DISKSTATE_H
#include "DownloadInfo.h"
#include "FeedInfo.h"
#include "NewsServer.h"
#include "StatMeter.h"
#include "FileSystem.h"
#include "Log.h"
class StateDiskFile;
class DiskState
{
public:
bool DownloadQueueExists();
bool SaveDownloadQueue(DownloadQueue* downloadQueue, bool saveHistory);
bool LoadDownloadQueue(DownloadQueue* downloadQueue, Servers* servers);
bool SaveDownloadProgress(DownloadQueue* downloadQueue);
bool SaveFile(FileInfo* fileInfo);
bool LoadFile(FileInfo* fileInfo, bool fileSummary, bool articles);
bool SaveAllFileInfos(DownloadQueue* downloadQueue);
void DiscardQuickFileInfos();
bool SaveFileState(FileInfo* fileInfo, bool completed);
bool LoadFileState(FileInfo* fileInfo, Servers* servers, bool completed);
bool LoadArticles(FileInfo* fileInfo);
void DiscardDownloadQueue();
void DiscardFile(int fileId, bool deleteData, bool deletePartialState, bool deleteCompletedState);
void DiscardFiles(NzbInfo* nzbInfo, bool deleteLog = true);
bool SaveFeeds(Feeds* feeds, FeedHistory* feedHistory);
bool LoadFeeds(Feeds* feeds, FeedHistory* feedHistory);
bool SaveStats(Servers* servers, ServerVolumes* serverVolumes);
bool LoadStats(Servers* servers, ServerVolumes* serverVolumes, bool* perfectMatch);
void CleanupTempDir(DownloadQueue* downloadQueue);
void WriteCacheFlag();
void DeleteCacheFlag();
void AppendNzbMessage(int nzbId, Message::EKind kind, const char* text);
void LoadNzbMessages(int nzbId, MessageList* messages);
private:
bool SaveFileInfo(FileInfo* fileInfo, StateDiskFile& outfile, bool articles);
bool LoadFileInfo(FileInfo* fileInfo, StateDiskFile& outfile, int formatVersion, bool fileSummary, bool articles);
bool SaveFileState(FileInfo* fileInfo, StateDiskFile& outfile, bool completed);
bool LoadFileState(FileInfo* fileInfo, Servers* servers, StateDiskFile& infile, int formatVersion, bool completed);
void SaveQueue(NzbList* queue, StateDiskFile& outfile);
bool LoadQueue(NzbList* queue, Servers* servers, StateDiskFile& infile, int formatVersion);
void SaveProgress(NzbList* queue, StateDiskFile& outfile, int changedCount);
bool LoadProgress(NzbList* queue, Servers* servers, StateDiskFile& infile, int formatVersion);
void SaveNzbInfo(NzbInfo* nzbInfo, StateDiskFile& outfile);
bool LoadNzbInfo(NzbInfo* nzbInfo, Servers* servers, StateDiskFile& infile, int formatVersion);
void SaveDupInfo(DupInfo* dupInfo, StateDiskFile& outfile);
bool LoadDupInfo(DupInfo* dupInfo, StateDiskFile& infile, int formatVersion);
void SaveHistory(HistoryList* history, StateDiskFile& outfile);
bool LoadHistory(HistoryList* history, Servers* servers, StateDiskFile& infile, int formatVersion);
bool SaveFeedStatus(Feeds* feeds, StateDiskFile& outfile);
bool LoadFeedStatus(Feeds* feeds, StateDiskFile& infile, int formatVersion);
bool SaveFeedHistory(FeedHistory* feedHistory, StateDiskFile& outfile);
bool LoadFeedHistory(FeedHistory* feedHistory, StateDiskFile& infile, int formatVersion);
bool SaveServerInfo(Servers* servers, StateDiskFile& outfile);
bool LoadServerInfo(Servers* servers, StateDiskFile& infile, int formatVersion, bool* perfectMatch);
bool SaveVolumeStat(ServerVolumes* serverVolumes, StateDiskFile& outfile);
bool LoadVolumeStat(Servers* servers, ServerVolumes* serverVolumes, StateDiskFile& infile, int formatVersion);
void CalcFileStats(DownloadQueue* downloadQueue, int formatVersion);
bool LoadAllFileInfos(DownloadQueue* downloadQueue);
bool LoadAllFileStates(DownloadQueue* downloadQueue, Servers* servers);
void SaveServerStats(ServerStatList* serverStatList, StateDiskFile& outfile);
bool LoadServerStats(ServerStatList* serverStatList, Servers* servers, StateDiskFile& infile);
void CleanupQueueDir(DownloadQueue* downloadQueue);
};
extern DiskState* g_DiskState;
#endif
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