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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_PEER_SESSION_RESOURCE_H_
#define _D_PEER_SESSION_RESOURCE_H_
#include "common.h"
#include "BtConstants.h"
#include "PeerStat.h"
#include "TimeA2.h"
#include <string>
#include <deque>
namespace aria2 {
class BitfieldMan;
class PeerSessionResource {
private:
// localhost is choking this peer
bool _amChoking;
// localhost is interested in this peer
bool _amInterested;
// this peer is choking localhost
bool _peerChoking;
// this peer is interested in localhost
bool _peerInterested;
// choking this peer is requested
bool _chokingRequired;
// this peer is eligible for *optional* unchoking.
bool _optUnchoking;
// this peer is snubbing.
bool _snubbing;
BitfieldMan* _bitfieldMan;
bool _fastExtensionEnabled;
// fast index set which a peer has sent to localhost.
std::deque<size_t> _peerAllowedIndexSet;
// fast index set which localhost has sent to a peer.
std::deque<size_t> _amAllowedIndexSet;
bool _extendedMessagingEnabled;
Extensions _extensions;
bool _dhtEnabled;
PeerStat _peerStat;
unsigned int _latency;
uint64_t _uploadLength;
uint64_t _downloadLength;
Time _lastDownloadUpdate;
Time _lastAmUnchoking;
public:
PeerSessionResource(size_t pieceLength, uint64_t totalLength);
~PeerSessionResource();
// localhost is choking this peer
bool amChoking() const;
void amChoking(bool b);
// localhost is interested in this peer
bool amInterested() const;
void amInterested(bool b);
// this peer is choking localhost
bool peerChoking() const;
void peerChoking(bool b);
// this peer is interested in localhost
bool peerInterested() const;
void peerInterested(bool b);
// this peer should be choked
bool chokingRequired() const;
void chokingRequired(bool b);
// this peer is eligible for unchoking optionally.
bool optUnchoking() const;
void optUnchoking(bool b);
bool shouldBeChoking() const;
// this peer is snubbing.
bool snubbing() const;
void snubbing(bool b);
bool hasAllPieces() const;
void updateBitfield(size_t index, int operation);
void setBitfield(const unsigned char* bitfield, size_t bitfieldLength);
const unsigned char* getBitfield() const;
size_t getBitfieldLength() const;
bool hasPiece(size_t index) const;
void markSeeder();
bool fastExtensionEnabled() const;
void fastExtensionEnabled(bool b);
// fast index set which a peer has sent to localhost.
const std::deque<size_t>& peerAllowedIndexSet() const;
void addPeerAllowedIndex(size_t index);
bool peerAllowedIndexSetContains(size_t index) const;
// fast index set which localhost has sent to a peer.
const std::deque<size_t>& amAllowedIndexSet() const;
void addAmAllowedIndex(size_t index);
bool amAllowedIndexSetContains(size_t index) const;
bool extendedMessagingEnabled() const;
void extendedMessagingEnabled(bool b);
uint8_t getExtensionMessageID(const std::string& name) const;
std::string getExtensionName(uint8_t id) const;
void addExtension(const std::string& name, uint8_t id);
bool dhtEnabled() const;
void dhtEnabled(bool b);
PeerStat& getPeerStat();
unsigned int latency() const;
void updateLatency(unsigned int latency);
uint64_t uploadLength() const;
void updateUploadLength(size_t bytes);
uint64_t downloadLength() const;
void updateDownloadLength(size_t bytes);
const Time& getLastDownloadUpdate() const;
const Time& getLastAmUnchoking() const;
uint64_t getCompletedLength() const;
};
} // namespace aria2
#endif // _D_PEER_SESSION_RESOURCE_H_
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