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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef _D_BT_CONTEXT_H_
#define _D_BT_CONTEXT_H_
#include "common.h"
#include "FileEntry.h"
#include "AnnounceTier.h"
#define INFO_HASH_LENGTH 20
#define MAX_PEER_ERROR 5
#define MAX_PEERS 55
typedef deque<AnnounceTierHandle> AnnounceTiers;
class BtContext {
public:
virtual ~BtContext() {}
enum FILE_MODE {
SINGLE,
MULTI
};
virtual const unsigned char* getInfoHash() const = 0;
virtual int32_t getInfoHashLength() const = 0;
virtual string getInfoHashAsString() const = 0;
virtual string getPieceHash(int32_t index) const = 0;
virtual const Strings& getPieceHashes() const = 0;
virtual int64_t getTotalLength() const = 0;
virtual FILE_MODE getFileMode() const = 0;
virtual FileEntries getFileEntries() const = 0;
virtual AnnounceTiers getAnnounceTiers() const = 0;
virtual void load(const string& torrentFile) = 0;
virtual string getName() const = 0;
virtual int32_t getPieceLength() const = 0;
virtual int32_t getNumPieces() const = 0;
/**
* Returns the peer id of localhost, 20 byte length
*/
virtual const unsigned char* getPeerId() = 0;
};
typedef SharedHandle<BtContext> BtContextHandle;
#endif // _D_BT_CONTEXT_H_
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