mirror of https://github.com/aria2/aria2
108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef _D_DOWNLOAD_CONTEXT_H_
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#define _D_DOWNLOAD_CONTEXT_H_
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#include "common.h"
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#include "SharedHandle.h"
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#include "Signature.h"
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#include <string>
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#include <deque>
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namespace aria2 {
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class FileEntry;
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class DownloadContext
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{
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protected:
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std::string _dir;
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private:
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SharedHandle<Signature> _signature;
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public:
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DownloadContext();
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virtual ~DownloadContext();
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enum FILE_MODE {
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SINGLE,
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MULTI
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};
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virtual const std::string& getPieceHash(size_t index) const = 0;
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virtual const std::deque<std::string>& getPieceHashes() const = 0;
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virtual uint64_t getTotalLength() const = 0;
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virtual FILE_MODE getFileMode() const = 0;
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virtual std::deque<SharedHandle<FileEntry> > getFileEntries() const = 0;
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virtual const std::string& getName() const = 0;
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virtual size_t getPieceLength() const = 0;
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virtual size_t getNumPieces() const = 0;
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virtual const std::string& getPieceHashAlgo() const = 0;
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/**
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* Returns an actual file path.
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* If this contains a single file entry, then returns its file path,
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* for example, "/tmp/downloads/aria2.txt"
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* If this contains multiple file entries(i,e /tmp/downloads/aria2.txt,
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* /tmp/downloads/aria2.bin), then returns its base dir path,
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* for example, "/tmp/downloads"
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*/
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virtual std::string getActualBasePath() const = 0;
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const std::string& getDir() const;
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void setDir(const std::string& dir);
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SharedHandle<Signature> getSignature() const;
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void setSignature(const SharedHandle<Signature>& signature);
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};
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typedef SharedHandle<DownloadContext> DownloadContextHandle;
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} // namespace aria2
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#endif // _D_DOWNLOAD_CONTEXT_H_
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