mirror of https://github.com/aria2/aria2
161 lines
4.4 KiB
C++
161 lines
4.4 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_PEER_STORAGE_H_
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#define _D_PEER_STORAGE_H_
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#include "common.h"
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#include "Peer.h"
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class TransferStat {
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public:
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int32_t downloadSpeed;
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int32_t uploadSpeed;
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int64_t sessionDownloadLength;
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int64_t sessionUploadLength;
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void copy(const TransferStat& stat)
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{
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downloadSpeed = stat.downloadSpeed;
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uploadSpeed = stat.uploadSpeed;
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sessionDownloadLength = stat.sessionDownloadLength;
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sessionUploadLength = stat.sessionUploadLength;
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}
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public:
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TransferStat():downloadSpeed(0), uploadSpeed(0),
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sessionDownloadLength(0), sessionUploadLength(0) {}
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TransferStat(const TransferStat& stat)
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{
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copy(stat);
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}
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TransferStat& operator=(const TransferStat& stat)
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{
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if(this != &stat) {
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copy(stat);
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}
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return *this;
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}
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int32_t getDownloadSpeed() const {
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return downloadSpeed;
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}
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void setDownloadSpeed(int32_t s) { downloadSpeed = s; }
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int32_t getUploadSpeed() const {
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return uploadSpeed;
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}
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void setUploadSpeed(int32_t s) { uploadSpeed = s; }
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/**
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* Returns the number of bytes downloaded since the program started.
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* This is not the total number of bytes downloaded.
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*/
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int64_t getSessionDownloadLength() const {
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return sessionDownloadLength;
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}
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void setSessionDownloadLength(int64_t s) { sessionDownloadLength = s; }
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/**
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* Returns the number of bytes uploaded since the program started.
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* This is not the total number of bytes uploaded.
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*/
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int64_t getSessionUploadLength() const {
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return sessionUploadLength;
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}
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void setSessionUploadLength(int64_t s) { sessionUploadLength = s; }
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};
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class PeerStorage {
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public:
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virtual ~PeerStorage() {}
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/**
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* Adds new peer to the internal peer list.
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* If the peer is added successfully, returns true. Otherwise returns false.
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*/
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virtual bool addPeer(const PeerHandle& peer) = 0;
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/**
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* Adds new incoming peer to the internal peer list.
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* If the peer is added successfully, returns true. Otherwise returns false.
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*/
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virtual bool addIncomingPeer(const PeerHandle& peer) = 0;
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/**
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* Adds all peers in peers to internal peer list.
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*/
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virtual void addPeer(const Peers& peers) = 0;
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/**
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* Returns internal peer list.
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*/
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virtual const Peers& getPeers() = 0;
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/**
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* Returns one of the unused peers.
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*/
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virtual PeerHandle getUnusedPeer() = 0;
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/**
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* Returns true if at least one unused peer exists.
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* Otherwise returns false.
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*/
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virtual bool isPeerAvailable() = 0;
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/**
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* Returns the list of peers which are currently connected from localhost.
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*/
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virtual Peers getActivePeers() = 0;
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/**
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* Calculates current download/upload statistics.
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*/
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virtual TransferStat calculateStat() = 0;
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/**
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* Tells PeerStorage object that peer is no longer used in the session.
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*/
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virtual void returnPeer(const PeerHandle& peer) = 0;
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};
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typedef SharedHandle<PeerStorage> PeerStorageHandle;
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#endif // _D_PEER_STORAGE_H_
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