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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* ivasic@gmail.com *
* *
* 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. *
***************************************************************************/
#ifndef QUEUEMANAGER_H
#define QUEUEMANAGER_H
#include <set>
#include <qobject.h>
#include <qptrlist.h>
#include <interfaces/torrentinterface.h>
namespace kt
{
class TrackersList;
}
namespace bt
{
class SHA1Hash;
class AnnounceList;
struct TrackerTier;
class WaitJob;
class QueuePtrList : public QPtrList<kt::TorrentInterface>
{
public:
QueuePtrList();
virtual ~QueuePtrList();
protected:
int compareItems(QPtrCollection::Item item1, QPtrCollection::Item item2);
};
/**
* @author Ivan Vasic
* @brief This class contains list of all TorrentControls and is responsible for starting/stopping them
*/
class QueueManager : public QObject
{
Q_OBJECT
public:
QueueManager();
virtual ~QueueManager();
void append(kt::TorrentInterface* tc);
void remove(kt::TorrentInterface* tc);
void clear();
kt::TorrentStartResponse start(kt::TorrentInterface* tc, bool user = true);
void stop(kt::TorrentInterface* tc, bool user = false);
void stopall(int type);
void startall(int type);
/**
* Stop all running torrents
* @param wjob WaitJob which waits for stopped events to reach the tracker
*/
void onExit(WaitJob* wjob);
/**
* Enqueue/Dequeue function. Places a torrent in queue.
* If the torrent is already in queue this will remove it from queue.
* @param tc TorrentControl pointer.
*/
void queue(kt::TorrentInterface* tc);
int count() { return downloads.count(); }
int countDownloads();
int countSeeds();
int getNumRunning(bool onlyDownload = false, bool onlySeed = false);
int getNumRunning(bool userControlled, bool onlyDownloads, bool onlySeeds);
void startNext();
typedef QPtrList<kt::TorrentInterface>::iterator iterator;
iterator begin();
iterator end();
/**
* See if we already loaded a torrent.
* @param ih The info hash of a torrent
* @return true if we do, false if we don't
*/
bool allreadyLoaded(const SHA1Hash & ih) const;
/**
* Merge announce lists to a torrent
* @param ih The info_hash of the torrent to merge to
* @param trk First tier of trackers
*/
void mergeAnnounceList(const SHA1Hash & ih,const TrackerTier* trk);
void setMaxDownloads(int m);
void setMaxSeeds(int m);
void setKeepSeeding(bool ks);
/**
* Sets global paused state for QueueManager and stopps all running torrents.
* No torrents will be automatically started/stopped with QM.
*/
void setPausedState(bool pause);
/**
* Places all torrents from downloads in the right order in queue.
* Use this when torrent priorities get changed
*/
void orderQueue();
signals:
/**
* User tried to enqueue a torrent that has reached max share ratio. It's not possible.
* Signal should be connected to SysTray slot which shows appropriate KPassivePopup info.
* @param tc The torrent in question.
*/
void queuingNotPossible(kt::TorrentInterface* tc);
/**
* Diskspace is running low.
* Signal should be connected to SysTray slot which shows appropriate KPassivePopup info.
* @param tc The torrent in question.
*/
void lowDiskSpace(kt::TorrentInterface* tc, bool stopped);
public slots:
void torrentFinished(kt::TorrentInterface* tc);
void torrentAdded(kt::TorrentInterface* tc, bool user, bool start_torrent);
void torrentRemoved(kt::TorrentInterface* tc);
void torrentStopped(kt::TorrentInterface* tc);
void onLowDiskSpace(kt::TorrentInterface* tc, bool toStop);
private:
void enqueue(kt::TorrentInterface* tc);
void dequeue(kt::TorrentInterface* tc);
void startSafely(kt::TorrentInterface* tc);
void stopSafely(kt::TorrentInterface* tc,bool user,WaitJob* wjob = 0);
bt::QueuePtrList downloads;
std::set<kt::TorrentInterface*> paused_torrents;
int max_downloads;
int max_seeds;
bool paused_state;
bool keep_seeding;
bool exiting;
};
}
#endif
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