82 lines
2.6 KiB
C++

/*
* RetroShare C++ Directory parsing code.
*
* file_sharing/directory_updater.h
*
* Copyright 2016 by Mr.Alice
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare.project@gmail.com".
*
*/
// This class crawls the given directry hierarchy and updates it. It does so by calling the
// shared file list source. This source may be of two types:
// - local: directories are crawled n disk and files are hashed / requested from a cache
// - remote: directories are requested remotely to a providing client
//
#include "file_sharing/hash_cache.h"
#include "file_sharing/directory_storage.h"
class LocalDirectoryUpdater: public HashStorageClient, public RsTickingThread
{
public:
LocalDirectoryUpdater(HashStorage *hash_cache,LocalDirectoryStorage *lds) ;
virtual ~LocalDirectoryUpdater() {}
void forceUpdate();
bool inDirectoryCheck() const ;
void setHashSalt(const RsFileHash& hash) { mHashSalt = hash; }
const RsFileHash& hashSalt() const { return mHashSalt; }
void setFileWatchPeriod(int seconds) ;
uint32_t fileWatchPeriod() const ;
void setFollowSymLinks(bool b) ;
bool followSymLinks() const ;
void setEnabled(bool b) ;
bool isEnabled() const ;
protected:
virtual void data_tick() ;
virtual void hash_callback(uint32_t client_param, const std::string& name, const RsFileHash& hash, uint64_t size);
virtual bool hash_confirm(uint32_t client_param) ;
void recursUpdateSharedDir(const std::string& cumulated_path, DirectoryStorage::EntryIndex indx, std::set<std::string>& existing_directories);
bool sweepSharedDirectories();
private:
HashStorage *mHashCache ;
LocalDirectoryStorage *mSharedDirectories ;
RsFileHash mHashSalt ;
time_t mLastSweepTime;
time_t mLastTSUpdateTime;
uint32_t mDelayBetweenDirectoryUpdates;
bool mIsEnabled ;
bool mFollowSymLinks;
bool mNeedsFullRecheck ;
bool mIsChecking ;
bool mForceUpdate ;
};