aria2/src/DefaultPeerStorage.h

136 lines
4.3 KiB
C++

/* <!-- 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_DEFAULT_PEER_STORAGE_H
#define D_DEFAULT_PEER_STORAGE_H
#include "PeerStorage.h"
#include <string>
#include <map>
#include "TimerA2.h"
namespace aria2 {
class BtRuntime;
class BtSeederStateChoke;
class BtLeecherStateChoke;
class PieceStorage;
class DefaultPeerStorage : public PeerStorage {
private:
std::shared_ptr<BtRuntime> btRuntime_;
std::shared_ptr<PieceStorage> pieceStorage_;
size_t maxPeerListSize_;
// This contains ip address and port pair and is used to ensure that
// no duplicate peers are stored.
std::set<std::pair<std::string, uint16_t> > uniqPeers_;
// Unused (not connected) peers, sorted by last added.
std::deque<std::shared_ptr<Peer> > unusedPeers_;
// The set of used peers. Some of them are not connected yet. To
// know it is connected or not, call Peer::isActive().
PeerSet usedPeers_;
std::deque<std::shared_ptr<Peer> > droppedPeers_;
BtSeederStateChoke* seederStateChoke_;
BtLeecherStateChoke* leecherStateChoke_;
Timer lastTransferStatMapUpdated_;
std::map<std::string, time_t> badPeers_;
Timer lastBadPeerCleaned_;
bool isPeerAlreadyAdded(const std::shared_ptr<Peer>& peer);
void addUniqPeer(const std::shared_ptr<Peer>& peer);
void addDroppedPeer(const std::shared_ptr<Peer>& peer);
public:
DefaultPeerStorage();
virtual ~DefaultPeerStorage();
// TODO We need addAndCheckoutPeer for incoming peers
virtual bool addPeer(const std::shared_ptr<Peer>& peer) CXX11_OVERRIDE;
virtual size_t countAllPeer() const CXX11_OVERRIDE;
std::shared_ptr<Peer> getPeer(const std::string& ipaddr, uint16_t port) const;
virtual void addPeer(const std::vector<std::shared_ptr<Peer> >& peers)
CXX11_OVERRIDE;
const std::deque<std::shared_ptr<Peer> >& getUnusedPeers();
virtual const PeerSet& getUsedPeers() CXX11_OVERRIDE;
virtual const std::deque<std::shared_ptr<Peer> >& getDroppedPeers()
CXX11_OVERRIDE;
virtual bool isPeerAvailable() CXX11_OVERRIDE;
virtual bool isBadPeer(const std::string& ipaddr) CXX11_OVERRIDE;
virtual void addBadPeer(const std::string& ipaddr) CXX11_OVERRIDE;
virtual std::shared_ptr<Peer> checkoutPeer(cuid_t cuid) CXX11_OVERRIDE;
virtual void returnPeer(const std::shared_ptr<Peer>& peer) CXX11_OVERRIDE;
virtual bool chokeRoundIntervalElapsed() CXX11_OVERRIDE;
virtual void executeChoke() CXX11_OVERRIDE;
void deleteUnusedPeer(size_t delSize);
void onErasingPeer(const std::shared_ptr<Peer>& peer);
void onReturningPeer(const std::shared_ptr<Peer>& peer);
void setPieceStorage(const std::shared_ptr<PieceStorage>& pieceStorage);
void setBtRuntime(const std::shared_ptr<BtRuntime>& btRuntime);
void setMaxPeerListSize(size_t maxPeerListSize)
{
maxPeerListSize_ = maxPeerListSize;
}
};
} // namespace aria2
#endif // D_DEFAULT_PEER_STORAGE_H