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90 lines
2.9 KiB
90 lines
2.9 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef BTDNDFILE_H
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#define BTDNDFILE_H
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#include <tqstring.h>
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#include <util/constants.h>
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namespace bt
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{
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/**
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* @author Joris Guisson <joris.guisson@gmail.com>
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*
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* Special file where we keep the first and last chunk of a file which is marked as do not download.
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* THe first and last chunk of a file will most certainly be partial chunks.
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*/
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class DNDFile
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{
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public:
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DNDFile(const TQString & path);
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virtual ~DNDFile();
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/// Change the path of the file
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void changePath(const TQString & npath);
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/**
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* CHeck integrity of the file, create it if it doesn't exist.
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*/
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void checkIntegrity();
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/**
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* Read the (partial)first chunk into a buffer.
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* @param buf The buffer
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* @param off OFfset into the buffer
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* @param buf_size Size of the buffer
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*/
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Uint32 readFirstChunk(Uint8* buf,Uint32 off,Uint32 buf_size);
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/**
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* Read the (partial)last chunk into a buffer.
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* @param buf The buffer
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* @param off OFfset into the buffer
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* @param buf_size Size of the buffer
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*/
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Uint32 readLastChunk(Uint8* buf,Uint32 off,Uint32 buf_size);
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/**
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* Write the partial first chunk.
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* @param buf The buffer
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* @param fc_size Size to write
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*/
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void writeFirstChunk(const Uint8* buf,Uint32 fc_size);
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/**
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* Write the partial last chunk.
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* @param buf The buffer
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* @param lc_size Size to write
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*/
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void writeLastChunk(const Uint8* buf,Uint32 lc_size);
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private:
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void create();
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private:
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TQString path;
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};
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}
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#endif
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