mdfsdb.h

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/***************************************************************************
                          mdfsdb.h  -  description
                             -------------------
    begin                : Fri Jan 2 2004
    copyright            : (C) 2004 by Mickael Faivre-Macon
    email                : mickael@easyplay.com.tw
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef MDFSDBH
#define MDFSDBH

#include "mdfsdbbase.h"
//#include "db.h"

namespace mdfs {

typedef std::vector<std::string> MStringList;

//---------------------------------------------------------------------------
class MDFSDB : public MDFSDBBase {

public:

   enum MOptions {DEFAULT=0, URL, LOCAL};
   class MEntry {
   public:
      MEntry() : Updated(false) {}
      MFile File;
      bool Updated;
      };

   MDFSDB();
   ~MDFSDB();

   virtual bool UpdateFile(const MFile& f, int options=0);

   void AddFile(const MFile& f);

   virtual bool GetFile(MFile& f, int options=0); 
   bool GetEntry(const MFile& f, MEntry*& e, int options=0);
   virtual void GetList(MQuery& q, MFileList& list); 
   void GetDirContent(MQuery& q, MFileList& list); 

   int RemoveLocalOrphan(MStringList* shares = NULL);
   int RemoveRemoteFiles();

private:
   boost::mutex Mutex;
   typedef std::list<MEntry*> MMemDB;
   MMemDB DB;

   int  Unmarshall(MFile& f, const unsigned char *p, int maxsize);
   int  Marshall(const MFile& f,  unsigned char *p, int maxsize);
   void Load();
   void Save();

   };
   
//---------------------------------------------------------------------------

} // namespace

#endif

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