src/base/bittorrent/sessionimpl.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #pragma once
  31
  32 #include <utility>
  33 #include <vector>
  34
  35 #include <libtorrent/fwd.hpp>
  36 #include <libtorrent/portmap.hpp>
  37 #include <libtorrent/torrent_handle.hpp>
  38
  39 #include <QtContainerFwd>
  40 #include <QDateTime>
  41 #include <QElapsedTimer>
  42 #include <QHash>
  43 #include <QMap>
  44 #include <QPointer>
  45 #include <QSet>
  46 #include <QVector>
  47
  48 #include "base/path.h"
  49 #include "base/settingvalue.h"
  50 #include "base/utils/thread.h"
  51 #include "addtorrentparams.h"
  52 #include "cachestatus.h"
  53 #include "categoryoptions.h"
  54 #include "session.h"
  55 #include "sessionstatus.h"
  56 #include "torrentinfo.h"
  57 #include "trackerentry.h"
  58
  59 class QString;
  60 class QThread;
  61 class QThreadPool;
  62 class QTimer;
  63 class QUrl;
  64
  65 class BandwidthScheduler;
  66 class FileSearcher;
  67 class FilterParserThread;
  68 class NativeSessionExtension;
  69
  70 namespace BitTorrent
  71 {
  72     class InfoHash;
  73     class ResumeDataStorage;
  74     class Torrent;
  75     class TorrentDescriptor;
  76     class TorrentImpl;
  77     class Tracker;
  78     struct LoadTorrentParams;
  79
  80     enum class MoveStorageMode;
  81     enum class MoveStorageContext;
  82
  83     struct SessionMetricIndices
  84     {
  85         struct
  86         {
  87             int hasIncomingConnections = -1;
  88             int sentPayloadBytes = -1;
  89             int recvPayloadBytes = -1;
  90             int sentBytes = -1;
  91             int recvBytes = -1;
  92             int sentIPOverheadBytes = -1;
  93             int recvIPOverheadBytes = -1;
  94             int sentTrackerBytes = -1;
  95             int recvTrackerBytes = -1;
  96             int recvRedundantBytes = -1;
  97             int recvFailedBytes = -1;
  98         } net;
  99
 100         struct
 101         {
 102             int numPeersConnected = -1;
 103             int numPeersUpDisk = -1;
 104             int numPeersDownDisk = -1;
 105         } peer;
 106
 107         struct
 108         {
 109             int dhtBytesIn = -1;
 110             int dhtBytesOut = -1;
 111             int dhtNodes = -1;
 112         } dht;
 113
 114         struct
 115         {
 116             int diskBlocksInUse = -1;
 117             int numBlocksRead = -1;
 118 #ifndef QBT_USES_LIBTORRENT2
 119             int numBlocksCacheHits = -1;
 120 #endif
 121             int writeJobs = -1;
 122             int readJobs = -1;
 123             int hashJobs = -1;
 124             int queuedDiskJobs = -1;
 125             int diskJobTime = -1;
 126         } disk;
 127     };
 128
 129     class SessionImpl final : public Session
 130     {
 131         Q_OBJECT
 132         Q_DISABLE_COPY_MOVE(SessionImpl)
 133
 134     public:
 135         Path savePath() const override;
 136         void setSavePath(const Path &path) override;
 137         Path downloadPath() const override;
 138         void setDownloadPath(const Path &path) override;
 139         bool isDownloadPathEnabled() const override;
 140         void setDownloadPathEnabled(bool enabled) override;
 141
 142         QStringList categories() const override;
 143         CategoryOptions categoryOptions(const QString &categoryName) const override;
 144         Path categorySavePath(const QString &categoryName) const override;
 145         Path categorySavePath(const QString &categoryName, const CategoryOptions &options) const override;
 146         Path categoryDownloadPath(const QString &categoryName) const override;
 147         Path categoryDownloadPath(const QString &categoryName, const CategoryOptions &options) const override;
 148         bool addCategory(const QString &name, const CategoryOptions &options = {}) override;
 149         bool editCategory(const QString &name, const CategoryOptions &options) override;
 150         bool removeCategory(const QString &name) override;
 151         bool isSubcategoriesEnabled() const override;
 152         void setSubcategoriesEnabled(bool value) override;
 153         bool useCategoryPathsInManualMode() const override;
 154         void setUseCategoryPathsInManualMode(bool value) override;
 155
 156         Path suggestedSavePath(const QString &categoryName, std::optional<bool> useAutoTMM) const override;
 157         Path suggestedDownloadPath(const QString &categoryName, std::optional<bool> useAutoTMM) const override;
 158
 159         TagSet tags() const override;
 160         bool hasTag(const Tag &tag) const override;
 161         bool addTag(const Tag &tag) override;
 162         bool removeTag(const Tag &tag) override;
 163
 164         bool isAutoTMMDisabledByDefault() const override;
 165         void setAutoTMMDisabledByDefault(bool value) override;
 166         bool isDisableAutoTMMWhenCategoryChanged() const override;
 167         void setDisableAutoTMMWhenCategoryChanged(bool value) override;
 168         bool isDisableAutoTMMWhenDefaultSavePathChanged() const override;
 169         void setDisableAutoTMMWhenDefaultSavePathChanged(bool value) override;
 170         bool isDisableAutoTMMWhenCategorySavePathChanged() const override;
 171         void setDisableAutoTMMWhenCategorySavePathChanged(bool value) override;
 172
 173         qreal globalMaxRatio() const override;
 174         void setGlobalMaxRatio(qreal ratio) override;
 175         int globalMaxSeedingMinutes() const override;
 176         void setGlobalMaxSeedingMinutes(int minutes) override;
 177         int globalMaxInactiveSeedingMinutes() const override;
 178         void setGlobalMaxInactiveSeedingMinutes(int minutes) override;
 179         QString getDHTBootstrapNodes() const override;
 180         void setDHTBootstrapNodes(const QString &nodes) override;
 181         bool isDHTEnabled() const override;
 182         void setDHTEnabled(bool enabled) override;
 183         bool isLSDEnabled() const override;
 184         void setLSDEnabled(bool enabled) override;
 185         bool isPeXEnabled() const override;
 186         void setPeXEnabled(bool enabled) override;
 187         bool isAddTorrentToQueueTop() const override;
 188         void setAddTorrentToQueueTop(bool value) override;
 189         bool isAddTorrentPaused() const override;
 190         void setAddTorrentPaused(bool value) override;
 191         Torrent::StopCondition torrentStopCondition() const override;
 192         void setTorrentStopCondition(Torrent::StopCondition stopCondition) override;
 193         TorrentContentLayout torrentContentLayout() const override;
 194         void setTorrentContentLayout(TorrentContentLayout value) override;
 195         bool isTrackerEnabled() const override;
 196         void setTrackerEnabled(bool enabled) override;
 197         bool isAppendExtensionEnabled() const override;
 198         void setAppendExtensionEnabled(bool enabled) override;
 199         bool isUnwantedFolderEnabled() const override;
 200         void setUnwantedFolderEnabled(bool enabled) override;
 201         int refreshInterval() const override;
 202         void setRefreshInterval(int value) override;
 203         bool isPreallocationEnabled() const override;
 204         void setPreallocationEnabled(bool enabled) override;
 205         Path torrentExportDirectory() const override;
 206         void setTorrentExportDirectory(const Path &path) override;
 207         Path finishedTorrentExportDirectory() const override;
 208         void setFinishedTorrentExportDirectory(const Path &path) override;
 209
 210         int globalDownloadSpeedLimit() const override;
 211         void setGlobalDownloadSpeedLimit(int limit) override;
 212         int globalUploadSpeedLimit() const override;
 213         void setGlobalUploadSpeedLimit(int limit) override;
 214         int altGlobalDownloadSpeedLimit() const override;
 215         void setAltGlobalDownloadSpeedLimit(int limit) override;
 216         int altGlobalUploadSpeedLimit() const override;
 217         void setAltGlobalUploadSpeedLimit(int limit) override;
 218         int downloadSpeedLimit() const override;
 219         void setDownloadSpeedLimit(int limit) override;
 220         int uploadSpeedLimit() const override;
 221         void setUploadSpeedLimit(int limit) override;
 222         bool isAltGlobalSpeedLimitEnabled() const override;
 223         void setAltGlobalSpeedLimitEnabled(bool enabled) override;
 224         bool isBandwidthSchedulerEnabled() const override;
 225         void setBandwidthSchedulerEnabled(bool enabled) override;
 226
 227         bool isPerformanceWarningEnabled() const override;
 228         void setPerformanceWarningEnabled(bool enable) override;
 229         int saveResumeDataInterval() const override;
 230         void setSaveResumeDataInterval(int value) override;
 231         int port() const override;
 232         void setPort(int port) override;
 233         QString networkInterface() const override;
 234         void setNetworkInterface(const QString &iface) override;
 235         QString networkInterfaceName() const override;
 236         void setNetworkInterfaceName(const QString &name) override;
 237         QString networkInterfaceAddress() const override;
 238         void setNetworkInterfaceAddress(const QString &address) override;
 239         int encryption() const override;
 240         void setEncryption(int state) override;
 241         int maxActiveCheckingTorrents() const override;
 242         void setMaxActiveCheckingTorrents(int val) override;
 243         bool isI2PEnabled() const override;
 244         void setI2PEnabled(bool enabled) override;
 245         QString I2PAddress() const override;
 246         void setI2PAddress(const QString &address) override;
 247         int I2PPort() const override;
 248         void setI2PPort(int port) override;
 249         bool I2PMixedMode() const override;
 250         void setI2PMixedMode(bool enabled) override;
 251         int I2PInboundQuantity() const override;
 252         void setI2PInboundQuantity(int value) override;
 253         int I2POutboundQuantity() const override;
 254         void setI2POutboundQuantity(int value) override;
 255         int I2PInboundLength() const override;
 256         void setI2PInboundLength(int value) override;
 257         int I2POutboundLength() const override;
 258         void setI2POutboundLength(int value) override;
 259         bool isProxyPeerConnectionsEnabled() const override;
 260         void setProxyPeerConnectionsEnabled(bool enabled) override;
 261         ChokingAlgorithm chokingAlgorithm() const override;
 262         void setChokingAlgorithm(ChokingAlgorithm mode) override;
 263         SeedChokingAlgorithm seedChokingAlgorithm() const override;
 264         void setSeedChokingAlgorithm(SeedChokingAlgorithm mode) override;
 265         bool isAddTrackersEnabled() const override;
 266         void setAddTrackersEnabled(bool enabled) override;
 267         QString additionalTrackers() const override;
 268         void setAdditionalTrackers(const QString &trackers) override;
 269         bool isIPFilteringEnabled() const override;
 270         void setIPFilteringEnabled(bool enabled) override;
 271         Path IPFilterFile() const override;
 272         void setIPFilterFile(const Path &path) override;
 273         bool announceToAllTrackers() const override;
 274         void setAnnounceToAllTrackers(bool val) override;
 275         bool announceToAllTiers() const override;
 276         void setAnnounceToAllTiers(bool val) override;
 277         int peerTurnover() const override;
 278         void setPeerTurnover(int val) override;
 279         int peerTurnoverCutoff() const override;
 280         void setPeerTurnoverCutoff(int val) override;
 281         int peerTurnoverInterval() const override;
 282         void setPeerTurnoverInterval(int val) override;
 283         int requestQueueSize() const override;
 284         void setRequestQueueSize(int val) override;
 285         int asyncIOThreads() const override;
 286         void setAsyncIOThreads(int num) override;
 287         int hashingThreads() const override;
 288         void setHashingThreads(int num) override;
 289         int filePoolSize() const override;
 290         void setFilePoolSize(int size) override;
 291         int checkingMemUsage() const override;
 292         void setCheckingMemUsage(int size) override;
 293         int diskCacheSize() const override;
 294         void setDiskCacheSize(int size) override;
 295         int diskCacheTTL() const override;
 296         void setDiskCacheTTL(int ttl) override;
 297         qint64 diskQueueSize() const override;
 298         void setDiskQueueSize(qint64 size) override;
 299         DiskIOType diskIOType() const override;
 300         void setDiskIOType(DiskIOType type) override;
 301         DiskIOReadMode diskIOReadMode() const override;
 302         void setDiskIOReadMode(DiskIOReadMode mode) override;
 303         DiskIOWriteMode diskIOWriteMode() const override;
 304         void setDiskIOWriteMode(DiskIOWriteMode mode) override;
 305         bool isCoalesceReadWriteEnabled() const override;
 306         void setCoalesceReadWriteEnabled(bool enabled) override;
 307         bool usePieceExtentAffinity() const override;
 308         void setPieceExtentAffinity(bool enabled) override;
 309         bool isSuggestModeEnabled() const override;
 310         void setSuggestMode(bool mode) override;
 311         int sendBufferWatermark() const override;
 312         void setSendBufferWatermark(int value) override;
 313         int sendBufferLowWatermark() const override;
 314         void setSendBufferLowWatermark(int value) override;
 315         int sendBufferWatermarkFactor() const override;
 316         void setSendBufferWatermarkFactor(int value) override;
 317         int connectionSpeed() const override;
 318         void setConnectionSpeed(int value) override;
 319         int socketSendBufferSize() const override;
 320         void setSocketSendBufferSize(int value) override;
 321         int socketReceiveBufferSize() const override;
 322         void setSocketReceiveBufferSize(int value) override;
 323         int socketBacklogSize() const override;
 324         void setSocketBacklogSize(int value) override;
 325         bool isAnonymousModeEnabled() const override;
 326         void setAnonymousModeEnabled(bool enabled) override;
 327         bool isQueueingSystemEnabled() const override;
 328         void setQueueingSystemEnabled(bool enabled) override;
 329         bool ignoreSlowTorrentsForQueueing() const override;
 330         void setIgnoreSlowTorrentsForQueueing(bool ignore) override;
 331         int downloadRateForSlowTorrents() const override;
 332         void setDownloadRateForSlowTorrents(int rateInKibiBytes) override;
 333         int uploadRateForSlowTorrents() const override;
 334         void setUploadRateForSlowTorrents(int rateInKibiBytes) override;
 335         int slowTorrentsInactivityTimer() const override;
 336         void setSlowTorrentsInactivityTimer(int timeInSeconds) override;
 337         int outgoingPortsMin() const override;
 338         void setOutgoingPortsMin(int min) override;
 339         int outgoingPortsMax() const override;
 340         void setOutgoingPortsMax(int max) override;
 341         int UPnPLeaseDuration() const override;
 342         void setUPnPLeaseDuration(int duration) override;
 343         int peerToS() const override;
 344         void setPeerToS(int value) override;
 345         bool ignoreLimitsOnLAN() const override;
 346         void setIgnoreLimitsOnLAN(bool ignore) override;
 347         bool includeOverheadInLimits() const override;
 348         void setIncludeOverheadInLimits(bool include) override;
 349         QString announceIP() const override;
 350         void setAnnounceIP(const QString &ip) override;
 351         int maxConcurrentHTTPAnnounces() const override;
 352         void setMaxConcurrentHTTPAnnounces(int value) override;
 353         bool isReannounceWhenAddressChangedEnabled() const override;
 354         void setReannounceWhenAddressChangedEnabled(bool enabled) override;
 355         void reannounceToAllTrackers() const override;
 356         int stopTrackerTimeout() const override;
 357         void setStopTrackerTimeout(int value) override;
 358         int maxConnections() const override;
 359         void setMaxConnections(int max) override;
 360         int maxConnectionsPerTorrent() const override;
 361         void setMaxConnectionsPerTorrent(int max) override;
 362         int maxUploads() const override;
 363         void setMaxUploads(int max) override;
 364         int maxUploadsPerTorrent() const override;
 365         void setMaxUploadsPerTorrent(int max) override;
 366         int maxActiveDownloads() const override;
 367         void setMaxActiveDownloads(int max) override;
 368         int maxActiveUploads() const override;
 369         void setMaxActiveUploads(int max) override;
 370         int maxActiveTorrents() const override;
 371         void setMaxActiveTorrents(int max) override;
 372         BTProtocol btProtocol() const override;
 373         void setBTProtocol(BTProtocol protocol) override;
 374         bool isUTPRateLimited() const override;
 375         void setUTPRateLimited(bool limited) override;
 376         MixedModeAlgorithm utpMixedMode() const override;
 377         void setUtpMixedMode(MixedModeAlgorithm mode) override;
 378         bool isIDNSupportEnabled() const override;
 379         void setIDNSupportEnabled(bool enabled) override;
 380         bool multiConnectionsPerIpEnabled() const override;
 381         void setMultiConnectionsPerIpEnabled(bool enabled) override;
 382         bool validateHTTPSTrackerCertificate() const override;
 383         void setValidateHTTPSTrackerCertificate(bool enabled) override;
 384         bool isSSRFMitigationEnabled() const override;
 385         void setSSRFMitigationEnabled(bool enabled) override;
 386         bool blockPeersOnPrivilegedPorts() const override;
 387         void setBlockPeersOnPrivilegedPorts(bool enabled) override;
 388         bool isTrackerFilteringEnabled() const override;
 389         void setTrackerFilteringEnabled(bool enabled) override;
 390         bool isExcludedFileNamesEnabled() const override;
 391         void setExcludedFileNamesEnabled(bool enabled) override;
 392         QStringList excludedFileNames() const override;
 393         void setExcludedFileNames(const QStringList &excludedFileNames) override;
 394         bool isFilenameExcluded(const QString &fileName) const override;
 395         QStringList bannedIPs() const override;
 396         void setBannedIPs(const QStringList &newList) override;
 397         ResumeDataStorageType resumeDataStorageType() const override;
 398         void setResumeDataStorageType(ResumeDataStorageType type) override;
 399         bool isMergeTrackersEnabled() const override;
 400         void setMergeTrackersEnabled(bool enabled) override;
 401
 402         bool isRestored() const override;
 403
 404         Torrent *getTorrent(const TorrentID &id) const override;
 405         Torrent *findTorrent(const InfoHash &infoHash) const override;
 406         QVector<Torrent *> torrents() const override;
 407         qsizetype torrentsCount() const override;
 408         const SessionStatus &status() const override;
 409         const CacheStatus &cacheStatus() const override;
 410         bool isListening() const override;
 411
 412         MaxRatioAction maxRatioAction() const override;
 413         void setMaxRatioAction(MaxRatioAction act) override;
 414
 415         void banIP(const QString &ip) override;
 416
 417         bool isKnownTorrent(const InfoHash &infoHash) const override;
 418         bool addTorrent(const TorrentDescriptor &torrentDescr, const AddTorrentParams &params = {}) override;
 419         bool deleteTorrent(const TorrentID &id, DeleteOption deleteOption = DeleteTorrent) override;
 420         bool downloadMetadata(const TorrentDescriptor &torrentDescr) override;
 421         bool cancelDownloadMetadata(const TorrentID &id) override;
 422
 423         void increaseTorrentsQueuePos(const QVector<TorrentID> &ids) override;
 424         void decreaseTorrentsQueuePos(const QVector<TorrentID> &ids) override;
 425         void topTorrentsQueuePos(const QVector<TorrentID> &ids) override;
 426         void bottomTorrentsQueuePos(const QVector<TorrentID> &ids) override;
 427
 428         // Torrent interface
 429         void handleTorrentResumeDataRequested(const TorrentImpl *torrent);
 430         void handleTorrentShareLimitChanged(TorrentImpl *torrent);
 431         void handleTorrentNameChanged(TorrentImpl *torrent);
 432         void handleTorrentSavePathChanged(TorrentImpl *torrent);
 433         void handleTorrentCategoryChanged(TorrentImpl *torrent, const QString &oldCategory);
 434         void handleTorrentTagAdded(TorrentImpl *torrent, const Tag &tag);
 435         void handleTorrentTagRemoved(TorrentImpl *torrent, const Tag &tag);
 436         void handleTorrentSavingModeChanged(TorrentImpl *torrent);
 437         void handleTorrentMetadataReceived(TorrentImpl *torrent);
 438         void handleTorrentPaused(TorrentImpl *torrent);
 439         void handleTorrentResumed(TorrentImpl *torrent);
 440         void handleTorrentChecked(TorrentImpl *torrent);
 441         void handleTorrentFinished(TorrentImpl *torrent);
 442         void handleTorrentTrackersAdded(TorrentImpl *torrent, const QVector<TrackerEntry> &newTrackers);
 443         void handleTorrentTrackersRemoved(TorrentImpl *torrent, const QStringList &deletedTrackers);
 444         void handleTorrentTrackersChanged(TorrentImpl *torrent);
 445         void handleTorrentUrlSeedsAdded(TorrentImpl *torrent, const QVector<QUrl> &newUrlSeeds);
 446         void handleTorrentUrlSeedsRemoved(TorrentImpl *torrent, const QVector<QUrl> &urlSeeds);
 447         void handleTorrentResumeDataReady(TorrentImpl *torrent, const LoadTorrentParams &data);
 448         void handleTorrentInfoHashChanged(TorrentImpl *torrent, const InfoHash &prevInfoHash);
 449         void handleTorrentStorageMovingStateChanged(TorrentImpl *torrent);
 450
 451         bool addMoveTorrentStorageJob(TorrentImpl *torrent, const Path &newPath, MoveStorageMode mode, MoveStorageContext context);
 452
 453         void findIncompleteFiles(const TorrentInfo &torrentInfo, const Path &savePath
 454                                  , const Path &downloadPath, const PathList &filePaths = {}) const;
 455
 456         void enablePortMapping();
 457         void disablePortMapping();
 458         void addMappedPorts(const QSet<quint16> &ports);
 459         void removeMappedPorts(const QSet<quint16> &ports);
 460
 461         template <typename Func>
 462         void invoke(Func &&func)
 463         {
 464             QMetaObject::invokeMethod(this, std::forward<Func>(func), Qt::QueuedConnection);
 465         }
 466
 467         void invokeAsync(std::function<void ()> func);
 468
 469     signals:
 470         void addTorrentAlertsReceived(qsizetype count);
 471
 472     private slots:
 473         void configureDeferred();
 474         void readAlerts();
 475         void enqueueRefresh();
 476         void processShareLimits();
 477         void generateResumeData();
 478         void handleIPFilterParsed(int ruleCount);
 479         void handleIPFilterError();
 480         void fileSearchFinished(const TorrentID &id, const Path &savePath, const PathList &fileNames);
 481
 482     private:
 483         struct ResumeSessionContext;
 484
 485         struct MoveStorageJob
 486         {
 487             lt::torrent_handle torrentHandle;
 488             Path path;
 489             MoveStorageMode mode {};
 490             MoveStorageContext context {};
 491         };
 492
 493         struct RemovingTorrentData
 494         {
 495             QString name;
 496             Path pathToRemove;
 497             DeleteOption deleteOption {};
 498         };
 499
 500         explicit SessionImpl(QObject *parent = nullptr);
 501         ~SessionImpl();
 502
 503         bool hasPerTorrentRatioLimit() const;
 504         bool hasPerTorrentSeedingTimeLimit() const;
 505         bool hasPerTorrentInactiveSeedingTimeLimit() const;
 506
 507         // Session configuration
 508         Q_INVOKABLE void configure();
 509         void configureComponents();
 510         void initializeNativeSession();
 511         lt::settings_pack loadLTSettings() const;
 512         void applyNetworkInterfacesSettings(lt::settings_pack &settingsPack) const;
 513         void configurePeerClasses();
 514         void initMetrics();
 515         void applyBandwidthLimits();
 516         void processBannedIPs(lt::ip_filter &filter);
 517         QStringList getListeningIPs() const;
 518         void configureListeningInterface();
 519         void enableTracker(bool enable);
 520         void enableBandwidthScheduler();
 521         void populateAdditionalTrackers();
 522         void enableIPFilter();
 523         void disableIPFilter();
 524         void processTrackerStatuses();
 525         void populateExcludedFileNamesRegExpList();
 526         void prepareStartup();
 527         void handleLoadedResumeData(ResumeSessionContext *context);
 528         void processNextResumeData(ResumeSessionContext *context);
 529         void endStartup(ResumeSessionContext *context);
 530
 531         LoadTorrentParams initLoadTorrentParams(const AddTorrentParams &addTorrentParams);
 532         bool addTorrent_impl(const TorrentDescriptor &source, const AddTorrentParams &addTorrentParams);
 533
 534         void updateSeedingLimitTimer();
 535         void exportTorrentFile(const Torrent *torrent, const Path &folderPath);
 536
 537         void handleAlert(const lt::alert *a);
 538         void handleAddTorrentAlerts(const std::vector<lt::alert *> &alerts);
 539         void dispatchTorrentAlert(const lt::torrent_alert *a);
 540         void handleStateUpdateAlert(const lt::state_update_alert *p);
 541         void handleMetadataReceivedAlert(const lt::metadata_received_alert *p);
 542         void handleFileErrorAlert(const lt::file_error_alert *p);
 543         void handleTorrentRemovedAlert(const lt::torrent_removed_alert *p);
 544         void handleTorrentDeletedAlert(const lt::torrent_deleted_alert *p);
 545         void handleTorrentDeleteFailedAlert(const lt::torrent_delete_failed_alert *p);
 546         void handlePortmapWarningAlert(const lt::portmap_error_alert *p);
 547         void handlePortmapAlert(const lt::portmap_alert *p);
 548         void handlePeerBlockedAlert(const lt::peer_blocked_alert *p);
 549         void handlePeerBanAlert(const lt::peer_ban_alert *p);
 550         void handleUrlSeedAlert(const lt::url_seed_alert *p);
 551         void handleListenSucceededAlert(const lt::listen_succeeded_alert *p);
 552         void handleListenFailedAlert(const lt::listen_failed_alert *p);
 553         void handleExternalIPAlert(const lt::external_ip_alert *p);
 554         void handleSessionErrorAlert(const lt::session_error_alert *p) const;
 555         void handleSessionStatsAlert(const lt::session_stats_alert *p);
 556         void handleAlertsDroppedAlert(const lt::alerts_dropped_alert *p) const;
 557         void handleStorageMovedAlert(const lt::storage_moved_alert *p);
 558         void handleStorageMovedFailedAlert(const lt::storage_moved_failed_alert *p);
 559         void handleSocks5Alert(const lt::socks5_alert *p) const;
 560         void handleI2PAlert(const lt::i2p_alert *p) const;
 561         void handleTrackerAlert(const lt::tracker_alert *a);
 562 #ifdef QBT_USES_LIBTORRENT2
 563         void handleTorrentConflictAlert(const lt::torrent_conflict_alert *a);
 564 #endif
 565
 566         TorrentImpl *createTorrent(const lt::torrent_handle &nativeHandle, const LoadTorrentParams &params);
 567
 568         void saveResumeData();
 569         void saveTorrentsQueue();
 570         void removeTorrentsQueue();
 571
 572         std::vector<lt::alert *> getPendingAlerts(lt::time_duration time = lt::time_duration::zero()) const;
 573
 574         void moveTorrentStorage(const MoveStorageJob &job) const;
 575         void handleMoveTorrentStorageJobFinished(const Path &newPath);
 576
 577         void loadCategories();
 578         void storeCategories() const;
 579         void upgradeCategories();
 580         DownloadPathOption resolveCategoryDownloadPathOption(const QString &categoryName, const std::optional<DownloadPathOption> &option) const;
 581
 582         void saveStatistics() const;
 583         void loadStatistics();
 584
 585         void updateTrackerEntries(lt::torrent_handle torrentHandle, QHash<std::string, QHash<lt::tcp::endpoint, QMap<int, int>>> updatedTrackers);
 586
 587         // BitTorrent
 588         lt::session *m_nativeSession = nullptr;
 589         NativeSessionExtension *m_nativeSessionExtension = nullptr;
 590
 591         bool m_deferredConfigureScheduled = false;
 592         bool m_IPFilteringConfigured = false;
 593         mutable bool m_listenInterfaceConfigured = false;
 594
 595         CachedSettingValue<QString> m_DHTBootstrapNodes;
 596         CachedSettingValue<bool> m_isDHTEnabled;
 597         CachedSettingValue<bool> m_isLSDEnabled;
 598         CachedSettingValue<bool> m_isPeXEnabled;
 599         CachedSettingValue<bool> m_isIPFilteringEnabled;
 600         CachedSettingValue<bool> m_isTrackerFilteringEnabled;
 601         CachedSettingValue<Path> m_IPFilterFile;
 602         CachedSettingValue<bool> m_announceToAllTrackers;
 603         CachedSettingValue<bool> m_announceToAllTiers;
 604         CachedSettingValue<int> m_asyncIOThreads;
 605         CachedSettingValue<int> m_hashingThreads;
 606         CachedSettingValue<int> m_filePoolSize;
 607         CachedSettingValue<int> m_checkingMemUsage;
 608         CachedSettingValue<int> m_diskCacheSize;
 609         CachedSettingValue<int> m_diskCacheTTL;
 610         CachedSettingValue<qint64> m_diskQueueSize;
 611         CachedSettingValue<DiskIOType> m_diskIOType;
 612         CachedSettingValue<DiskIOReadMode> m_diskIOReadMode;
 613         CachedSettingValue<DiskIOWriteMode> m_diskIOWriteMode;
 614         CachedSettingValue<bool> m_coalesceReadWriteEnabled;
 615         CachedSettingValue<bool> m_usePieceExtentAffinity;
 616         CachedSettingValue<bool> m_isSuggestMode;
 617         CachedSettingValue<int> m_sendBufferWatermark;
 618         CachedSettingValue<int> m_sendBufferLowWatermark;
 619         CachedSettingValue<int> m_sendBufferWatermarkFactor;
 620         CachedSettingValue<int> m_connectionSpeed;
 621         CachedSettingValue<int> m_socketSendBufferSize;
 622         CachedSettingValue<int> m_socketReceiveBufferSize;
 623         CachedSettingValue<int> m_socketBacklogSize;
 624         CachedSettingValue<bool> m_isAnonymousModeEnabled;
 625         CachedSettingValue<bool> m_isQueueingEnabled;
 626         CachedSettingValue<int> m_maxActiveDownloads;
 627         CachedSettingValue<int> m_maxActiveUploads;
 628         CachedSettingValue<int> m_maxActiveTorrents;
 629         CachedSettingValue<bool> m_ignoreSlowTorrentsForQueueing;
 630         CachedSettingValue<int> m_downloadRateForSlowTorrents;
 631         CachedSettingValue<int> m_uploadRateForSlowTorrents;
 632         CachedSettingValue<int> m_slowTorrentsInactivityTimer;
 633         CachedSettingValue<int> m_outgoingPortsMin;
 634         CachedSettingValue<int> m_outgoingPortsMax;
 635         CachedSettingValue<int> m_UPnPLeaseDuration;
 636         CachedSettingValue<int> m_peerToS;
 637         CachedSettingValue<bool> m_ignoreLimitsOnLAN;
 638         CachedSettingValue<bool> m_includeOverheadInLimits;
 639         CachedSettingValue<QString> m_announceIP;
 640         CachedSettingValue<int> m_maxConcurrentHTTPAnnounces;
 641         CachedSettingValue<bool> m_isReannounceWhenAddressChangedEnabled;
 642         CachedSettingValue<int> m_stopTrackerTimeout;
 643         CachedSettingValue<int> m_maxConnections;
 644         CachedSettingValue<int> m_maxUploads;
 645         CachedSettingValue<int> m_maxConnectionsPerTorrent;
 646         CachedSettingValue<int> m_maxUploadsPerTorrent;
 647         CachedSettingValue<BTProtocol> m_btProtocol;
 648         CachedSettingValue<bool> m_isUTPRateLimited;
 649         CachedSettingValue<MixedModeAlgorithm> m_utpMixedMode;
 650         CachedSettingValue<bool> m_IDNSupportEnabled;
 651         CachedSettingValue<bool> m_multiConnectionsPerIpEnabled;
 652         CachedSettingValue<bool> m_validateHTTPSTrackerCertificate;
 653         CachedSettingValue<bool> m_SSRFMitigationEnabled;
 654         CachedSettingValue<bool> m_blockPeersOnPrivilegedPorts;
 655         CachedSettingValue<bool> m_isAddTrackersEnabled;
 656         CachedSettingValue<QString> m_additionalTrackers;
 657         CachedSettingValue<qreal> m_globalMaxRatio;
 658         CachedSettingValue<int> m_globalMaxSeedingMinutes;
 659         CachedSettingValue<int> m_globalMaxInactiveSeedingMinutes;
 660         CachedSettingValue<bool> m_isAddTorrentToQueueTop;
 661         CachedSettingValue<bool> m_isAddTorrentPaused;
 662         CachedSettingValue<Torrent::StopCondition> m_torrentStopCondition;
 663         CachedSettingValue<TorrentContentLayout> m_torrentContentLayout;
 664         CachedSettingValue<bool> m_isAppendExtensionEnabled;
 665         CachedSettingValue<bool> m_isUnwantedFolderEnabled;
 666         CachedSettingValue<int> m_refreshInterval;
 667         CachedSettingValue<bool> m_isPreallocationEnabled;
 668         CachedSettingValue<Path> m_torrentExportDirectory;
 669         CachedSettingValue<Path> m_finishedTorrentExportDirectory;
 670         CachedSettingValue<int> m_globalDownloadSpeedLimit;
 671         CachedSettingValue<int> m_globalUploadSpeedLimit;
 672         CachedSettingValue<int> m_altGlobalDownloadSpeedLimit;
 673         CachedSettingValue<int> m_altGlobalUploadSpeedLimit;
 674         CachedSettingValue<bool> m_isAltGlobalSpeedLimitEnabled;
 675         CachedSettingValue<bool> m_isBandwidthSchedulerEnabled;
 676         CachedSettingValue<bool> m_isPerformanceWarningEnabled;
 677         CachedSettingValue<int> m_saveResumeDataInterval;
 678         CachedSettingValue<int> m_port;
 679         CachedSettingValue<QString> m_networkInterface;
 680         CachedSettingValue<QString> m_networkInterfaceName;
 681         CachedSettingValue<QString> m_networkInterfaceAddress;
 682         CachedSettingValue<int> m_encryption;
 683         CachedSettingValue<int> m_maxActiveCheckingTorrents;
 684         CachedSettingValue<bool> m_isProxyPeerConnectionsEnabled;
 685         CachedSettingValue<ChokingAlgorithm> m_chokingAlgorithm;
 686         CachedSettingValue<SeedChokingAlgorithm> m_seedChokingAlgorithm;
 687         CachedSettingValue<QStringList> m_storedTags;
 688         CachedSettingValue<int> m_maxRatioAction;
 689         CachedSettingValue<Path> m_savePath;
 690         CachedSettingValue<Path> m_downloadPath;
 691         CachedSettingValue<bool> m_isDownloadPathEnabled;
 692         CachedSettingValue<bool> m_isSubcategoriesEnabled;
 693         CachedSettingValue<bool> m_useCategoryPathsInManualMode;
 694         CachedSettingValue<bool> m_isAutoTMMDisabledByDefault;
 695         CachedSettingValue<bool> m_isDisableAutoTMMWhenCategoryChanged;
 696         CachedSettingValue<bool> m_isDisableAutoTMMWhenDefaultSavePathChanged;
 697         CachedSettingValue<bool> m_isDisableAutoTMMWhenCategorySavePathChanged;
 698         CachedSettingValue<bool> m_isTrackerEnabled;
 699         CachedSettingValue<int> m_peerTurnover;
 700         CachedSettingValue<int> m_peerTurnoverCutoff;
 701         CachedSettingValue<int> m_peerTurnoverInterval;
 702         CachedSettingValue<int> m_requestQueueSize;
 703         CachedSettingValue<bool> m_isExcludedFileNamesEnabled;
 704         CachedSettingValue<QStringList> m_excludedFileNames;
 705         CachedSettingValue<QStringList> m_bannedIPs;
 706         CachedSettingValue<ResumeDataStorageType> m_resumeDataStorageType;
 707         CachedSettingValue<bool> m_isMergeTrackersEnabled;
 708         CachedSettingValue<bool> m_isI2PEnabled;
 709         CachedSettingValue<QString> m_I2PAddress;
 710         CachedSettingValue<int> m_I2PPort;
 711         CachedSettingValue<bool> m_I2PMixedMode;
 712         CachedSettingValue<int> m_I2PInboundQuantity;
 713         CachedSettingValue<int> m_I2POutboundQuantity;
 714         CachedSettingValue<int> m_I2PInboundLength;
 715         CachedSettingValue<int> m_I2POutboundLength;
 716
 717         bool m_isRestored = false;
 718
 719         // Order is important. This needs to be declared after its CachedSettingsValue
 720         // counterpart, because it uses it for initialization in the constructor
 721         // initialization list.
 722         const bool m_wasPexEnabled = m_isPeXEnabled;
 723
 724         int m_numResumeData = 0;
 725         QVector<TrackerEntry> m_additionalTrackerList;
 726         QVector<QRegularExpression> m_excludedFileNamesRegExpList;
 727
 728         // Statistics
 729         mutable QElapsedTimer m_statisticsLastUpdateTimer;
 730         mutable bool m_isStatisticsDirty = false;
 731         qint64 m_previouslyUploaded = 0;
 732         qint64 m_previouslyDownloaded = 0;
 733
 734         bool m_torrentsQueueChanged = false;
 735         bool m_needSaveTorrentsQueue = false;
 736         bool m_refreshEnqueued = false;
 737         QTimer *m_seedingLimitTimer = nullptr;
 738         QTimer *m_resumeDataTimer = nullptr;
 739         // IP filtering
 740         QPointer<FilterParserThread> m_filterParser;
 741         QPointer<BandwidthScheduler> m_bwScheduler;
 742         // Tracker
 743         QPointer<Tracker> m_tracker;
 744
 745         Utils::Thread::UniquePtr m_ioThread;
 746         QThreadPool *m_asyncWorker = nullptr;
 747         ResumeDataStorage *m_resumeDataStorage = nullptr;
 748         FileSearcher *m_fileSearcher = nullptr;
 749
 750         QHash<TorrentID, lt::torrent_handle> m_downloadedMetadata;
 751
 752         QHash<TorrentID, TorrentImpl *> m_torrents;
 753         QHash<TorrentID, TorrentImpl *> m_hybridTorrentsByAltID;
 754         QHash<TorrentID, LoadTorrentParams> m_loadingTorrents;
 755         QHash<TorrentID, RemovingTorrentData> m_removingTorrents;
 756         QHash<TorrentID, TorrentID> m_changedTorrentIDs;
 757         QMap<QString, CategoryOptions> m_categories;
 758         TagSet m_tags;
 759
 760         // This field holds amounts of peers reported by trackers in their responses to announces
 761         // (torrent.tracker_name.tracker_local_endpoint.protocol_version.num_peers)
 762         QHash<lt::torrent_handle, QHash<std::string, QHash<lt::tcp::endpoint, QMap<int, int>>>> m_updatedTrackerEntries;
 763
 764         // I/O errored torrents
 765         QSet<TorrentID> m_recentErroredTorrents;
 766         QTimer *m_recentErroredTorrentsTimer = nullptr;
 767
 768         SessionMetricIndices m_metricIndices;
 769         lt::time_point m_statsLastTimestamp = lt::clock_type::now();
 770
 771         SessionStatus m_status;
 772         CacheStatus m_cacheStatus;
 773
 774         QList<MoveStorageJob> m_moveStorageQueue;
 775
 776         QString m_lastExternalIP;
 777
 778         bool m_needUpgradeDownloadPath = false;
 779
 780         // All port mapping related routines are invoked from working thread
 781         // so there are no synchronization used. If multithreaded access is
 782         // ever required, synchronization should also be provided.
 783         bool m_isPortMappingEnabled = false;
 784         QHash<quint16, std::vector<lt::port_mapping_t>> m_mappedPorts;
 785
 786         QTimer *m_wakeupCheckTimer = nullptr;
 787         QDateTime m_wakeupCheckTimestamp;
 788
 789         friend void Session::initInstance();
 790         friend void Session::freeInstance();
 791         friend Session *Session::instance();
 792         static Session *m_instance;
 793     };
 794 }