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