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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_STORAGE_H_
#define _D_PEER_STORAGE_H_
#include "common.h"
#include "Peer.h"
class TransferStat {
public:
int32_t downloadSpeed;
int32_t uploadSpeed;
int64_t sessionDownloadLength;
int64_t sessionUploadLength;
public:
TransferStat():downloadSpeed(0), uploadSpeed(0),
sessionDownloadLength(0), sessionUploadLength(0) {}
int32_t getDownloadSpeed() const {
return downloadSpeed;
}
void setDownloadSpeed(int32_t s) { downloadSpeed = s; }
int32_t getUploadSpeed() const {
return uploadSpeed;
}
void setUploadSpeed(int32_t s) { uploadSpeed = s; }
/**
* Returns the number of bytes downloaded since the program started.
* This is not the total number of bytes downloaded.
*/
int64_t getSessionDownloadLength() const {
return sessionDownloadLength;
}
void setSessionDownloadLength(int64_t s) { sessionDownloadLength = s; }
/**
* Returns the number of bytes uploaded since the program started.
* This is not the total number of bytes uploaded.
*/
int64_t getSessionUploadLength() const {
return sessionUploadLength;
}
void setSessionUploadLength(int64_t s) { sessionUploadLength = s; }
};
class PeerStorage {
public:
virtual ~PeerStorage() {}
/**
* Adds new peer to internal peer list.
* If the peer is added successfully, returns true. Otherwise returns false.
*/
virtual bool addPeer(const PeerHandle& peer) = 0;
/**
* Adds all peers in peers to internal peer list.
*/
virtual void addPeer(const Peers& peers) = 0;
/**
* Returns internal peer list.
*/
virtual const Peers& getPeers() = 0;
/**
* Returns one of the unused peers.
*/
virtual PeerHandle getUnusedPeer() = 0;
/**
* Returns true if at least one unused peer exists.
* Otherwise returns false.
*/
virtual bool isPeerAvailable() = 0;
/**
* Returns the list of peers which are currently connected from localhost.
*/
virtual Peers getActivePeers() = 0;
/**
* Calculates current download/upload statistics.
*/
virtual TransferStat calculateStat() = 0;
};
typedef SharedHandle<PeerStorage> PeerStorageHandle;
#endif // _D_PEER_STORAGE_H_
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