mirror of https://github.com/aria2/aria2
113 lines
3.3 KiB
C++
113 lines
3.3 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_DEFAULT_BT_CONTEXT_H_
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#define _D_DEFAULT_BT_CONTEXT_H_
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#include "BtContext.h"
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#include "Dictionary.h"
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#include "Data.h"
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#include "List.h"
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#define INFO_HASH_LENGTH 20
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#define PIECE_HASH_LENGTH 20
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typedef Strings PieceHashes;
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class DefaultBtContext : public BtContext {
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private:
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unsigned char infoHash[INFO_HASH_LENGTH];
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string infoHashString;
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PieceHashes pieceHashes;
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FileEntries fileEntries;
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FILE_MODE fileMode;
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int64_t totalLength;
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int32_t pieceLength;
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string name;
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int32_t numPieces;
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string peerId;
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AnnounceTiers announceTiers;
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void clear();
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void extractPieceHash(const unsigned char* hashData,
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int32_t hashDataLength,
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int32_t hashLength);
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void extractFileEntries(Dictionary* infoDic,
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const string& defaultName);
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void extractAnnounce(Data* announceData);
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void extractAnnounceList(List* announceListData);
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public:
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DefaultBtContext();
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virtual ~DefaultBtContext();
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virtual const unsigned char* getInfoHash() const;
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virtual int32_t getInfoHashLength() const;
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virtual string getInfoHashAsString() const;
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virtual string getPieceHash(int32_t index) const;
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virtual const Strings& getPieceHashes() const
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{
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return pieceHashes;
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}
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virtual int64_t getTotalLength() const;
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virtual FILE_MODE getFileMode() const;
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virtual FileEntries getFileEntries() const;
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virtual AnnounceTiers getAnnounceTiers() const;
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virtual void load(const string& torrentFile);
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virtual string getName() const;
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virtual int32_t getPieceLength() const;
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virtual int32_t getNumPieces() const;
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virtual const unsigned char* getPeerId() {
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if(peerId == "") {
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peerId = generatePeerId();
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}
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return (const unsigned char*)peerId.c_str();
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}
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string generatePeerId() const;
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};
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#endif // _D_DEFAULT_BT_CONTEXT_H_
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