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// --------------------------------------------------------------------------
//
// File
// Name: BackupClientInodeToIDMap.h
// Purpose: Map of inode numbers to file IDs on the store
// Created: 11/11/03
//
// --------------------------------------------------------------------------
#ifndef BACKUPCLIENTINODETOIDMAP_H
#define BACKUPCLIENTINODETOIDMAP__H
#include <sys/types.h>
#include <map>
#include <utility>
// Use in memory implementation if there isn't access to the Berkely DB on this platform
#ifndef HAVE_DB
#define BACKIPCLIENTINODETOIDMAP_IN_MEMORY_IMPLEMENTATION
#endif
// avoid having to include the DB files when not necessary
#ifndef BACKIPCLIENTINODETOIDMAP_IMPLEMENTATION
#ifdef BERKELY_V4
class Db;
#else
class DB;
#endif
#endif
// --------------------------------------------------------------------------
//
// Class
// Name: BackupClientInodeToIDMap
// Purpose: Map of inode numbers to file IDs on the store
// Created: 11/11/03
//
// --------------------------------------------------------------------------
class BackupClientInodeToIDMap
{
public:
BackupClientInodeToIDMap();
~BackupClientInodeToIDMap();
private:
BackupClientInodeToIDMap(const BackupClientInodeToIDMap &rToCopy); // not allowed
public:
void Open(const char *Filename, bool ReadOnly, bool CreateNew);
void OpenEmpty();
void AddToMap(InodeRefType InodeRef, int64_t ObjectID, int64_t InDirectory);
bool Lookup(InodeRefType InodeRef, int64_t &rObjectIDOut, int64_t &rInDirectoryOut) const;
void Close();
private:
#ifdef BACKIPCLIENTINODETOIDMAP_IN_MEMORY_IMPLEMENTATION
std::map<InodeRefType, std::pair<int64_t, int64_t> > mMap;
#else
bool mReadOnly;
bool mEmpty;
#ifdef BERKELY_V4
Db *dbp; // c++ style implimentation
#else
DB *dbp; // C style interface, use notation from documentation
#endif // BERKELY_V4
#endif // BACKIPCLIENTINODETOIDMAP_IN_MEMORY_IMPLEMENTATION
};
#endif // BACKUPCLIENTINODETOIDMAP__H
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