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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_LEECHER_STATE_CHOKE_H
#define D_BT_LEECHER_STATE_CHOKE_H
#include "common.h"
#include <vector>
#include "SharedHandle.h"
#include "TimerA2.h"
#include "PeerStorage.h"
namespace aria2 {
class Peer;
class BtLeecherStateChoke {
private:
int round_;
Timer lastRound_;
class PeerEntry {
private:
SharedHandle<Peer> peer_;
int downloadSpeed_;
bool regularUnchoker_;
public:
PeerEntry(const SharedHandle<Peer>& peer);
PeerEntry(const PeerEntry& c);
~PeerEntry();
PeerEntry& operator=(const PeerEntry& c);
bool operator<(const PeerEntry& rhs) const;
void swap(PeerEntry& c);
const SharedHandle<Peer>& getPeer() const;
int getDownloadSpeed() const;
bool isRegularUnchoker() const;
void enableChokingRequired();
void disableChokingRequired();
void enableOptUnchoking();
void disableOptUnchoking();
};
void plannedOptimisticUnchoke(std::vector<PeerEntry>& peerEntries);
void regularUnchoke(std::vector<PeerEntry>& peerEntries);
class PeerFilter {
private:
bool amChoking_;
bool peerInterested_;
public:
PeerFilter(bool amChoking, bool peerInterested):
amChoking_(amChoking),
peerInterested_(peerInterested) {}
bool operator()(const PeerEntry& peerEntry) const;
};
public:
BtLeecherStateChoke();
~BtLeecherStateChoke();
void executeChoke(const PeerSet& peerSet);
const Timer& getLastRound() const;
friend void swap(PeerEntry& a, PeerEntry& b);
};
void swap
(BtLeecherStateChoke::PeerEntry& a,
BtLeecherStateChoke::PeerEntry& b);
} // namespace aria2
#endif // D_BT_LEECHER_STATE_CHOKE_H
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