//
// This file is part of the imule Project.
//
// Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
// Copyright (c) 2002-2011 Merkur ( devs@emule-project.net / http://www.emule-project.net )
//
// Any parts of this program derived from the xMule, lMule or eMule project,
// or contributed by third-party developers are copyrighted by their
// respective authors.
//
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
//

#ifndef KNOWNFILELIST_H
#define KNOWNFILELIST_H


#include "SharedFileList.h" // CKnownFileMap


class CKnownFile;
class CPath;

class CKnownFileList
{
public:
        CKnownFileList();
        ~CKnownFileList();
        bool	SafeAddKFile(CKnownFile* toadd, bool afterHashing = false);
        bool	Init();
        void	Save();
        void	Clear();
        CKnownFile* FindKnownFile(
                const CPath& filename,
                time_t in_date,
                uint64 in_size);
        CKnownFile* FindKnownFileByID(const CMD4Hash& hash);
        void	PrepareIndex();
        void	ReleaseIndex();

        uint16 requested;
        uint64 transferred;
        uint16 accepted;

private:
        wxMutex	list_mut;

        bool	Append(CKnownFile*, bool afterHashing = false);

        CKnownFile *IsOnDuplicates(
                const CPath& filename,
                uint32 in_date,
                uint64 in_size) const;

        bool KnownFileMatches(
                CKnownFile *knownFile,
                const CPath& filename,
                uint32 in_date,
                uint64 in_size) const;

        typedef std::list<CKnownFile*> KnownFileList;
        KnownFileList	m_duplicateFileList;
        CKnownFileMap	m_knownFileMap;
        // The filename "known.met"
        wxString	m_filename;
        // Speed up shared files reload
        typedef std::multimap<uint32, CKnownFile*> KnownFileSizeMap;
        KnownFileSizeMap * m_knownSizeMap;
        KnownFileSizeMap * m_duplicateSizeMap;
};

#endif // KNOWNFILELIST_H