/usr/include/libktorrent/interfaces/torrentinterface.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@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 BTTORRENTINTERFACE_H
#define BTTORRENTINTERFACE_H
#include <QSharedPointer>
#include <QWeakPointer>
#include <ktorrent_export.h>
#include <util/constants.h>
#include <interfaces/trackerslist.h>
#include <torrent/torrentstats.h>
#include <torrent/torrentfilestream.h>
#include <kurl.h>
#ifdef ERROR
#undef ERROR
#endif
namespace bt
{
class Job;
class BitSet;
class SHA1Hash;
class WaitJob;
class PeerID;
class MonitorInterface;
class TorrentFileInterface;
class PeerSource;
class SHA1Hash;
class WebSeedInterface;
class JobQueue;
class ChunkSelectorInterface;
enum TorrentStartResponse
{
START_OK,
USER_CANCELED,
NOT_ENOUGH_DISKSPACE,
MAX_SHARE_RATIO_REACHED,
BUSY_WITH_JOB,
QM_LIMITS_REACHED // Max seeds or downloads reached
};
enum AutoStopReason
{
MAX_RATIO_REACHED,
MAX_SEED_TIME_REACHED
};
struct DHTNode
{
QString ip;
bt::Uint16 port;
};
enum TorrentFeature
{
DHT_FEATURE,
UT_PEX_FEATURE // µTorrent peer exchange
};
/**
* @author Joris Guisson
* @brief Interface for an object which controls one torrent
*
* This class is the interface for an object which controls the
* up- and download of one torrent.
*/
class KTORRENT_EXPORT TorrentInterface : public QObject
{
Q_OBJECT
public:
TorrentInterface();
virtual ~TorrentInterface();
/// Set the URL which the torrent was loaded from
void setLoadUrl(const KUrl& u) {url = u;}
/// Get the URL which the torrent was loaded from
KUrl loadUrl() const {return url;}
/**
* Update the object, should be called periodically.
*/
virtual void update() = 0;
/**
* Pause the torrent.
*/
virtual void pause() = 0;
/**
* Unpause the torrent.
*/
virtual void unpause() = 0;
/**
* Start the download of the torrent.
*/
virtual void start() = 0;
/**
* Stop the download, closes all connections.
* @param wjob WaitJob, used when KT is shutting down,
* so that we can wait for all stopped events to reach the tracker
*/
virtual void stop(bt::WaitJob* wjob = 0) = 0;
/**
* Update the tracker, this should normally handled internally.
* We leave it public so that the user can do a manual announce.
*/
virtual void updateTracker() = 0;
/**
* Scrape all or one tracker (private torrents)
*/
virtual void scrapeTracker() = 0;
/// Get the torrent's statistics
const TorrentStats & getStats() const {return stats;}
/**
* Checks if torrent is multimedial and chunks needed for preview are downloaded
* This only works for single file torrents
* @return true if it is
**/
virtual bool readyForPreview() const = 0;
/// See if this is a single file torrent and a multimedia files
virtual bool isMultimedia() const = 0;
/**
* Get the torX directory of this torrent. Temporary stuff like the index
* file get stored there.
*/
virtual QString getTorDir() const = 0;
/// Get the data directory of this torrent
virtual QString getDataDir() const = 0;
/**
* Get the download running time of this torrent in seconds
* @return Uint32 - time in seconds
*/
virtual Uint32 getRunningTimeDL() const = 0;
/**
* Get the upload running time of this torrent in seconds
* @return Uint32 - time in seconds
*/
virtual Uint32 getRunningTimeUL() const = 0;
/**
* Change to a new torX dir. If this fails
* we will fall back on the old directory.
* @param new_dir The new directory
* @return true upon succes
*/
virtual bool changeTorDir(const QString & new_dir) = 0;
enum ChangeOutputFlags
{
MOVE_FILES = 1,FULL_PATH = 2
};
/**
* Change to a new data dir. If this fails
* we will fall back on the old directory.
* @param new_dir The new directory
* @param flags The OR of ChangeOutputFlags
* @return true upon succes
*/
virtual bool changeOutputDir(const QString& new_dir,int flags) = 0;
/**
* Roll back the previous changeDataDir call.
* Does nothing if there was no previous changeDataDir call.
*/
virtual void rollback() = 0;
/**
* Get a BitSet of the status of all Chunks
*/
virtual const bt::BitSet & downloadedChunksBitSet() const = 0;
/**
* Get a BitSet of the availability of all Chunks
*/
virtual const bt::BitSet & availableChunksBitSet() const = 0;
/**
* Get a BitSet of the excluded Chunks
*/
virtual const bt::BitSet & excludedChunksBitSet() const = 0;
/**
* Get a bitset of only seed chunks
*/
virtual const bt::BitSet & onlySeedChunksBitSet() const = 0;
/// Set the monitor
virtual void setMonitor(MonitorInterface* tmo) = 0;
/// Get the number of files in a multifile torrent (0 if we do not have a multifile torrent)
virtual Uint32 getNumFiles() const = 0;
/**
* Get the index'th file of a multifile torrent
* @param index The index
* @return The TorrentFileInterface (isNull() will be true in case of error)
*/
virtual TorrentFileInterface & getTorrentFile(Uint32 index) = 0;
/**
* Const version of the previous one.
* @param index The index of the file
* @return The TorrentFileInterface (isNull() will be true in case of error)
*/
virtual const TorrentFileInterface & getTorrentFile(Uint32 index) const = 0;
/**
* Move a torrent file to a new location.
* @param files Map of files and their new location
* @return true upon success
*/
virtual bool moveTorrentFiles(const QMap<TorrentFileInterface*,QString> & files) = 0;
/**
Create a TorrentFileStream object. If the torrent is destroyed this object must also be
destroyed.
@param index Index of the file (in case of a single file torrent, this does not matter)
@param streaming_mode Set to true if this needs to be streamed
(note that only one streaming_mode per torrent is allowed)
@param parent Parent of the TorrentFileStream
@return A TorrentFileStream or 0 if index is not valid
*/
virtual TorrentFileStream::Ptr createTorrentFileStream(bt::Uint32 index,bool streaming_mode,QObject* parent) = 0;
///Get a pointer to TrackersList object
virtual TrackersList* getTrackersList() = 0;
///Get a pointer to TrackersList object
virtual const TrackersList* getTrackersList() const = 0;
///Get the torrent queue number. Zero if not in queue
virtual int getPriority() const = 0;
///Set the torrent queue number.
virtual void setPriority(int p) = 0;
/// Set the max share ratio
virtual void setMaxShareRatio(float ratio) = 0;
/// Get the max share ratio
virtual float getMaxShareRatio() const = 0;
/// Set the max seed time in hours (0 is no limit)
virtual void setMaxSeedTime(float hours) = 0;
/// Get the max seed time
virtual float getMaxSeedTime() const = 0;
/// Get the comments
virtual QString getComments() const = 0;
/// Update the status
virtual void updateStatus() = 0;
///Is manual announce allowed?
virtual bool announceAllowed() = 0;
/**
* Returns estimated time left for finishing download. Returned value is in seconds.
* Uses TimeEstimator class to calculate this value.
*/
virtual int getETA() = 0;
/**
* Verify the correctness of all data. If from and to are not a valid range, the
* entire torrent will be checked.
* @param auto_import Is this an automatic import
* @param from Chunk to start from
* @param to Chunk to end with
*/
virtual Job* startDataCheck(bool auto_import, bt::Uint32 from, bt::Uint32 to) = 0;
/**
* Is storage mounted for this torrent
* @param missing Filled with missing mount points (if any)
* @return true if there are any missing, false otherwise
**/
virtual bool isStorageMounted(QStringList & missing) = 0;
/**
* Test all files and see if they are not missing.
* If so put them in a list
*/
virtual bool hasMissingFiles(QStringList & sl) = 0;
/**
* Recreate missing files.
*/
virtual void recreateMissingFiles() = 0;
/**
* Mark missing files as do not download.
*/
virtual void dndMissingFiles() = 0;
/// Get the number of initial DHT nodes
virtual Uint32 getNumDHTNodes() const = 0;
/// Get a DHT node
virtual const DHTNode & getDHTNode(Uint32 i) const = 0;
/** Delete the data files of the torrent,
* they will be lost permanently
*/
virtual void deleteDataFiles() = 0;
///Checks if a seeding torrent has reached its maximum share ratio
virtual bool overMaxRatio() = 0;
/// Checks if a seeding torrent has reached it's max seed timery / will be ret
virtual bool overMaxSeedTime() = 0;
/// Handle an error
virtual void handleError(const QString & err) = 0;
/// Get the info_hash.
virtual const bt::SHA1Hash & getInfoHash() const = 0;
/**
* Add a new PeerSource
* @param ps
*/
virtual void addPeerSource(PeerSource* ps) = 0;
/**
* Remove a nPeerSource
* @param ps
*/
virtual void removePeerSource(PeerSource* ps) = 0;
/// Is a feature enabled
virtual bool isFeatureEnabled(TorrentFeature tf) = 0;
/// Disable or enable a feature
virtual void setFeatureEnabled(TorrentFeature tf,bool on) = 0;
/// Get our PeerID
virtual const bt::PeerID & getOwnPeerID() const = 0;
/// Set the traffic limits for this torrent
virtual void setTrafficLimits(Uint32 up,Uint32 down) = 0;
/// Get the traffic limits
virtual void getTrafficLimits(Uint32 & up,Uint32 & down) = 0;
/// Set the assured speeds
virtual void setAssuredSpeeds(Uint32 up,Uint32 down) = 0;
/// Get the assured speeds
virtual void getAssuredSpeeds(Uint32 & up,Uint32 & down) = 0;
/// Check if there is enough diskspace available for this torrent
virtual bool checkDiskSpace(bool emit_sig = true) = 0;
/// Get the text codec used in the torrent
virtual const QTextCodec* getTextCodec() const = 0;
/// Set the text codec
virtual void changeTextCodec(QTextCodec* tc) = 0;
/// Get the number of webseeds
virtual Uint32 getNumWebSeeds() const = 0;
/// Get a webseed (returns 0 if index is invalid)
virtual const WebSeedInterface* getWebSeed(Uint32 i) const = 0;
/// Get a webseed (returns 0 if index is invalid)
virtual WebSeedInterface* getWebSeed(Uint32 i) = 0;
/// Add a webseed (return false, if there is already a webseed with the same url)
virtual bool addWebSeed(const KUrl & url) = 0;
/// Remove a webseed (only user created ones can be removed)
virtual bool removeWebSeed(const KUrl & url) = 0;
/// Mark all existing files as downloaded (
virtual void markExistingFilesAsDownloaded() = 0;
/// Set the user modified file or toplevel directory name
virtual void setUserModifiedFileName(const QString & n) {user_modified_name = n;}
/// Gets the user modified file or toplevel directory name
QString getUserModifiedFileName() const {return user_modified_name.isEmpty() ? stats.torrent_name : user_modified_name;}
/// Set the displayed name
virtual void setDisplayName(const QString & n) = 0;
/// Gets the displayed name
QString getDisplayName() const {return display_name.isEmpty() ? stats.torrent_name : display_name;}
/// Set whether the QM can start a torrent.
virtual void setAllowedToStart(bool on) = 0;
/**
* Can the torrent be started by the QM.
* @return True if it can, false otherwise
*/
bool isAllowedToStart() const {return stats.qm_can_start;}
/**
* Set whether the torrent is queued or not
*/
virtual void setQueued(bool queued) = 0;
/// Get the JobQueue of the torrent
virtual const JobQueue* getJobQueue() const = 0;
/// Set the ChunkSelector to use (0 resets to the default ChunkSelector)
virtual void setChunkSelector(ChunkSelectorInterface* csel) = 0;
/// After some network down time, the network is back up
virtual void networkUp() = 0;
/**
* Get the move upon completion directory.
* @param dir the directory an empty url disables this feature
*/
virtual void setMoveWhenCompletedDir(const KUrl & dir) = 0;
/**
* Get the move upon completion directory.
*/
virtual KUrl getMoveWhenCompletedDir() const = 0;
/**
* Enable or disable superseeding mode, does nothing if the torrent is not finished.
*/
virtual void setSuperSeeding(bool on) = 0;
typedef QSharedPointer<TorrentInterface> Ptr;
typedef QWeakPointer<TorrentInterface> WPtr;
signals:
/**
* Emitted when we have finished downloading.
* @param me The object who emitted the signal
*/
void finished(bt::TorrentInterface* me);
/**
* Emitted when a Torrent download is stopped by error
* @param me The object who emitted the signal
* @param msg Error message
*/
void stoppedByError(bt::TorrentInterface* me, QString msg);
/**
* Emitted when maximum share ratio for this torrent is changed
* @param me The object which emitted the signal.
*/
void maxRatioChanged(bt::TorrentInterface* me);
/**
* Emitted then torrent is stopped from seeding by KTorrent.
* Happens when torrent has reached maximum share ratio and maybe we'll add something more...
* @param me The object which emitted the signal.
* @param reason The reason why it was aut stopped
*/
void seedingAutoStopped(bt::TorrentInterface* me,bt::AutoStopReason reason);
/**
* Emitted just before the torrent is started, this should be used to do some
* checks on the files in the cache.
* @param me The torrent which emitted the signal
* @param ret The return value
*/
void aboutToBeStarted(bt::TorrentInterface* me,bool & ret);
/**
* Emitted when missing files have been marked as dnd.
* The intention of this signal is to update the GUI.
* @param me The torrent which emitted the signal
*/
void missingFilesMarkedDND(bt::TorrentInterface* me);
/**
* A corrupted chunk has been found during upload.
* @param me The torrent which emitted the signal
*/
void corruptedDataFound(bt::TorrentInterface* me);
/**
* Disk is running out of space.
* @param me The torrent which emitted the signal
* @param toStop should this torrent be stopped or not
*/
void diskSpaceLow(bt::TorrentInterface* me, bool toStop);
/**
* Torrent has been stopped
* @param me The torrent which emitted the signal
*/
void torrentStopped(bt::TorrentInterface* me);
/**
* Signal emitted when the torrent needs a data check
* @param me The torrent
* */
void needDataCheck(bt::TorrentInterface* me);
/**
* Emitted whenever the status of the torrent changes.
* @param me the torrent
*/
void statusChanged(bt::TorrentInterface* me);
/**
* Emitted when a chunk is downloaded.
* @param me The torrent
* @param chunk The chunk
*/
void chunkDownloaded(bt::TorrentInterface* me,bt::Uint32 chunk);
/**
* Emitted when the torrent thinks the QM should update the queue
*/
void updateQueue();
/**
* Emitted when all running jobs are done.
* @param me the torrent
*/
void runningJobsDone(bt::TorrentInterface* me);
protected:
TorrentStats stats;
QString user_modified_name;
QString display_name;
KUrl url;
};
}
#endif
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