src/gui/advancedsettings.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2016-2024 qBittorrent project
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "advancedsettings.h"
  30
  31 #include <limits>
  32
  33 #include <QHeaderView>
  34 #include <QHostAddress>
  35 #include <QLabel>
  36 #include <QNetworkInterface>
  37
  38 #include "base/bittorrent/session.h"
  39 #include "base/global.h"
  40 #include "base/preferences.h"
  41 #include "base/unicodestrings.h"
  42 #include "gui/addnewtorrentdialog.h"
  43 #include "gui/desktopintegration.h"
  44 #include "gui/mainwindow.h"
  45 #include "interfaces/iguiapplication.h"
  46
  47 namespace
  48 {
  49     QString makeLink(const QStringView url, const QStringView linkLabel)
  50     {
  51          return u"<a href=\"%1\">%2</a>"_s.arg(url, linkLabel);
  52     }
  53
  54     enum AdvSettingsCols
  55     {
  56         PROPERTY,
  57         VALUE,
  58         COL_COUNT
  59     };
  60
  61     enum AdvSettingsRows
  62     {
  63         // qBittorrent section
  64         QBITTORRENT_HEADER,
  65         RESUME_DATA_STORAGE,
  66         TORRENT_CONTENT_REMOVE_OPTION,
  67 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
  68         MEMORY_WORKING_SET_LIMIT,
  69 #endif
  70 #if defined(Q_OS_WIN)
  71         OS_MEMORY_PRIORITY,
  72 #endif
  73         // network interface
  74         NETWORK_IFACE,
  75         //Optional network address
  76         NETWORK_IFACE_ADDRESS,
  77         // behavior
  78         SAVE_RESUME_DATA_INTERVAL,
  79         TORRENT_FILE_SIZE_LIMIT,
  80         CONFIRM_RECHECK_TORRENT,
  81         RECHECK_COMPLETED,
  82         // UI related
  83         APP_INSTANCE_NAME,
  84         LIST_REFRESH,
  85         RESOLVE_HOSTS,
  86         RESOLVE_COUNTRIES,
  87         PROGRAM_NOTIFICATIONS,
  88         TORRENT_ADDED_NOTIFICATIONS,
  89 #ifdef QBT_USES_DBUS
  90         NOTIFICATION_TIMEOUT,
  91 #endif
  92         CONFIRM_REMOVE_ALL_TAGS,
  93         CONFIRM_REMOVE_TRACKER_FROM_ALL_TORRENTS,
  94         REANNOUNCE_WHEN_ADDRESS_CHANGED,
  95         DOWNLOAD_TRACKER_FAVICON,
  96         SAVE_PATH_HISTORY_LENGTH,
  97         ENABLE_SPEED_WIDGET,
  98 #ifndef Q_OS_MACOS
  99         ENABLE_ICONS_IN_MENUS,
 100 #endif
 101         // embedded tracker
 102         TRACKER_STATUS,
 103         TRACKER_PORT,
 104         TRACKER_PORT_FORWARDING,
 105 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 106         ENABLE_MARK_OF_THE_WEB,
 107 #endif // Q_OS_MACOS || Q_OS_WIN
 108         PYTHON_EXECUTABLE_PATH,
 109         START_SESSION_PAUSED,
 110         SESSION_SHUTDOWN_TIMEOUT,
 111
 112         // libtorrent section
 113         LIBTORRENT_HEADER,
 114         BDECODE_DEPTH_LIMIT,
 115         BDECODE_TOKEN_LIMIT,
 116         ASYNC_IO_THREADS,
 117 #ifdef QBT_USES_LIBTORRENT2
 118         HASHING_THREADS,
 119 #endif
 120         FILE_POOL_SIZE,
 121         CHECKING_MEM_USAGE,
 122 #ifndef QBT_USES_LIBTORRENT2
 123         // cache
 124         DISK_CACHE,
 125         DISK_CACHE_TTL,
 126 #endif
 127         DISK_QUEUE_SIZE,
 128 #ifdef QBT_USES_LIBTORRENT2
 129         DISK_IO_TYPE,
 130 #endif
 131         DISK_IO_READ_MODE,
 132         DISK_IO_WRITE_MODE,
 133 #ifndef QBT_USES_LIBTORRENT2
 134         COALESCE_RW,
 135 #endif
 136         PIECE_EXTENT_AFFINITY,
 137         SUGGEST_MODE,
 138         SEND_BUF_WATERMARK,
 139         SEND_BUF_LOW_WATERMARK,
 140         SEND_BUF_WATERMARK_FACTOR,
 141         // networking & ports
 142         CONNECTION_SPEED,
 143         SOCKET_SEND_BUFFER_SIZE,
 144         SOCKET_RECEIVE_BUFFER_SIZE,
 145         SOCKET_BACKLOG_SIZE,
 146         OUTGOING_PORT_MIN,
 147         OUTGOING_PORT_MAX,
 148         UPNP_LEASE_DURATION,
 149         PEER_TOS,
 150         UTP_MIX_MODE,
 151         IDN_SUPPORT,
 152         MULTI_CONNECTIONS_PER_IP,
 153         VALIDATE_HTTPS_TRACKER_CERTIFICATE,
 154         SSRF_MITIGATION,
 155         BLOCK_PEERS_ON_PRIVILEGED_PORTS,
 156         // seeding
 157         CHOKING_ALGORITHM,
 158         SEED_CHOKING_ALGORITHM,
 159         // tracker
 160         ANNOUNCE_ALL_TRACKERS,
 161         ANNOUNCE_ALL_TIERS,
 162         ANNOUNCE_IP,
 163         MAX_CONCURRENT_HTTP_ANNOUNCES,
 164         STOP_TRACKER_TIMEOUT,
 165         PEER_TURNOVER,
 166         PEER_TURNOVER_CUTOFF,
 167         PEER_TURNOVER_INTERVAL,
 168         REQUEST_QUEUE_SIZE,
 169         DHT_BOOTSTRAP_NODES,
 170 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 171         I2P_INBOUND_QUANTITY,
 172         I2P_OUTBOUND_QUANTITY,
 173         I2P_INBOUND_LENGTH,
 174         I2P_OUTBOUND_LENGTH,
 175 #endif
 176
 177         ROW_COUNT
 178     };
 179 }
 180
 181 AdvancedSettings::AdvancedSettings(IGUIApplication *app, QWidget *parent)
 182     : GUIApplicationComponent(app, parent)
 183 {
 184     // column
 185     setColumnCount(COL_COUNT);
 186     const QStringList header = {tr("Setting"), tr("Value", "Value set for this setting")};
 187     setHorizontalHeaderLabels(header);
 188     // row
 189     setRowCount(ROW_COUNT);
 190     verticalHeader()->setVisible(false);
 191     // etc.
 192     setAlternatingRowColors(true);
 193     setSelectionMode(QAbstractItemView::NoSelection);
 194     setEditTriggers(QAbstractItemView::NoEditTriggers);
 195     // Load settings
 196     loadAdvancedSettings();
 197     resizeColumnToContents(0);
 198     horizontalHeader()->setStretchLastSection(true);
 199 }
 200
 201 void AdvancedSettings::saveAdvancedSettings() const
 202 {
 203     Preferences *const pref = Preferences::instance();
 204     BitTorrent::Session *const session = BitTorrent::Session::instance();
 205
 206     session->setResumeDataStorageType(m_comboBoxResumeDataStorage.currentData().value<BitTorrent::ResumeDataStorageType>());
 207 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
 208     // Physical memory (RAM) usage limit
 209     app()->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
 210 #endif
 211 #if defined(Q_OS_WIN)
 212     app()->setProcessMemoryPriority(m_comboBoxOSMemoryPriority.currentData().value<MemoryPriority>());
 213 #endif
 214     // Bdecode depth limit
 215     pref->setBdecodeDepthLimit(m_spinBoxBdecodeDepthLimit.value());
 216     // Bdecode token limit
 217     pref->setBdecodeTokenLimit(m_spinBoxBdecodeTokenLimit.value());
 218     // Async IO threads
 219     session->setAsyncIOThreads(m_spinBoxAsyncIOThreads.value());
 220 #ifdef QBT_USES_LIBTORRENT2
 221     // Hashing threads
 222     session->setHashingThreads(m_spinBoxHashingThreads.value());
 223 #endif
 224     // File pool size
 225     session->setFilePoolSize(m_spinBoxFilePoolSize.value());
 226     // Checking Memory Usage
 227     session->setCheckingMemUsage(m_spinBoxCheckingMemUsage.value());
 228 #ifndef QBT_USES_LIBTORRENT2
 229     // Disk write cache
 230     session->setDiskCacheSize(m_spinBoxCache.value());
 231     session->setDiskCacheTTL(m_spinBoxCacheTTL.value());
 232 #endif
 233     // Disk queue size
 234     session->setDiskQueueSize(m_spinBoxDiskQueueSize.value() * 1024);
 235 #ifdef QBT_USES_LIBTORRENT2
 236     session->setDiskIOType(m_comboBoxDiskIOType.currentData().value<BitTorrent::DiskIOType>());
 237 #endif
 238     // Disk IO read mode
 239     session->setDiskIOReadMode(m_comboBoxDiskIOReadMode.currentData().value<BitTorrent::DiskIOReadMode>());
 240     // Disk IO write mode
 241     session->setDiskIOWriteMode(m_comboBoxDiskIOWriteMode.currentData().value<BitTorrent::DiskIOWriteMode>());
 242 #ifndef QBT_USES_LIBTORRENT2
 243     // Coalesce reads & writes
 244     session->setCoalesceReadWriteEnabled(m_checkBoxCoalesceRW.isChecked());
 245 #endif
 246     // Piece extent affinity
 247     session->setPieceExtentAffinity(m_checkBoxPieceExtentAffinity.isChecked());
 248     // Suggest mode
 249     session->setSuggestMode(m_checkBoxSuggestMode.isChecked());
 250     // Send buffer watermark
 251     session->setSendBufferWatermark(m_spinBoxSendBufferWatermark.value());
 252     session->setSendBufferLowWatermark(m_spinBoxSendBufferLowWatermark.value());
 253     session->setSendBufferWatermarkFactor(m_spinBoxSendBufferWatermarkFactor.value());
 254     // Outgoing connections per second
 255     session->setConnectionSpeed(m_spinBoxConnectionSpeed.value());
 256     // Socket send buffer size
 257     session->setSocketSendBufferSize(m_spinBoxSocketSendBufferSize.value() * 1024);
 258     // Socket receive buffer size
 259     session->setSocketReceiveBufferSize(m_spinBoxSocketReceiveBufferSize.value() * 1024);
 260     // Socket listen backlog size
 261     session->setSocketBacklogSize(m_spinBoxSocketBacklogSize.value());
 262     // Save resume data interval
 263     session->setSaveResumeDataInterval(m_spinBoxSaveResumeDataInterval.value());
 264     // .torrent file size limit
 265     pref->setTorrentFileSizeLimit(m_spinBoxTorrentFileSizeLimit.value() * 1024 * 1024);
 266     // Outgoing ports
 267     session->setOutgoingPortsMin(m_spinBoxOutgoingPortsMin.value());
 268     session->setOutgoingPortsMax(m_spinBoxOutgoingPortsMax.value());
 269     // UPnP lease duration
 270     session->setUPnPLeaseDuration(m_spinBoxUPnPLeaseDuration.value());
 271     // Type of service
 272     session->setPeerToS(m_spinBoxPeerToS.value());
 273     // uTP-TCP mixed mode
 274     session->setUtpMixedMode(m_comboBoxUtpMixedMode.currentData().value<BitTorrent::MixedModeAlgorithm>());
 275     // Support internationalized domain name (IDN)
 276     session->setIDNSupportEnabled(m_checkBoxIDNSupport.isChecked());
 277     // multiple connections per IP
 278     session->setMultiConnectionsPerIpEnabled(m_checkBoxMultiConnectionsPerIp.isChecked());
 279     // Validate HTTPS tracker certificate
 280     session->setValidateHTTPSTrackerCertificate(m_checkBoxValidateHTTPSTrackerCertificate.isChecked());
 281     // SSRF mitigation
 282     session->setSSRFMitigationEnabled(m_checkBoxSSRFMitigation.isChecked());
 283     // Disallow connection to peers on privileged ports
 284     session->setBlockPeersOnPrivilegedPorts(m_checkBoxBlockPeersOnPrivilegedPorts.isChecked());
 285     // Recheck torrents on completion
 286     pref->recheckTorrentsOnCompletion(m_checkBoxRecheckCompleted.isChecked());
 287     // Customize application instance name
 288     app()->setInstanceName(m_lineEditAppInstanceName.text());
 289     // Transfer list refresh interval
 290     session->setRefreshInterval(m_spinBoxListRefresh.value());
 291     // Peer resolution
 292     pref->resolvePeerCountries(m_checkBoxResolveCountries.isChecked());
 293     pref->resolvePeerHostNames(m_checkBoxResolveHosts.isChecked());
 294     // Network interface
 295     session->setNetworkInterface(m_comboBoxInterface.currentData().toString());
 296     session->setNetworkInterfaceName((m_comboBoxInterface.currentIndex() == 0)
 297         ? QString()
 298         : m_comboBoxInterface.currentText());
 299     // Interface address
 300     // Construct a QHostAddress to filter malformed strings
 301     const QHostAddress ifaceAddr {m_comboBoxInterfaceAddress.currentData().toString()};
 302     session->setNetworkInterfaceAddress(ifaceAddr.toString());
 303     // Announce IP
 304     // Construct a QHostAddress to filter malformed strings
 305     const QHostAddress addr(m_lineEditAnnounceIP.text().trimmed());
 306     session->setAnnounceIP(addr.toString());
 307     // Max concurrent HTTP announces
 308     session->setMaxConcurrentHTTPAnnounces(m_spinBoxMaxConcurrentHTTPAnnounces.value());
 309     // Stop tracker timeout
 310     session->setStopTrackerTimeout(m_spinBoxStopTrackerTimeout.value());
 311     // Program notification
 312     app()->desktopIntegration()->setNotificationsEnabled(m_checkBoxProgramNotifications.isChecked());
 313 #ifdef QBT_USES_DBUS
 314     app()->desktopIntegration()->setNotificationTimeout(m_spinBoxNotificationTimeout.value());
 315 #endif
 316     app()->setTorrentAddedNotificationsEnabled(m_checkBoxTorrentAddedNotifications.isChecked());
 317     // Reannounce to all trackers when ip/port changed
 318     session->setReannounceWhenAddressChangedEnabled(m_checkBoxReannounceWhenAddressChanged.isChecked());
 319     // Misc GUI properties
 320     app()->mainWindow()->setDownloadTrackerFavicon(m_checkBoxTrackerFavicon.isChecked());
 321     pref->setAddNewTorrentDialogSavePathHistoryLength(m_spinBoxSavePathHistoryLength.value());
 322     pref->setSpeedWidgetEnabled(m_checkBoxSpeedWidgetEnabled.isChecked());
 323 #ifndef Q_OS_MACOS
 324     pref->setIconsInMenusEnabled(m_checkBoxIconsInMenusEnabled.isChecked());
 325 #endif
 326
 327     // Tracker
 328     pref->setTrackerPort(m_spinBoxTrackerPort.value());
 329     pref->setTrackerPortForwardingEnabled(m_checkBoxTrackerPortForwarding.isChecked());
 330     session->setTrackerEnabled(m_checkBoxTrackerStatus.isChecked());
 331 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 332     // Mark-of-the-Web
 333     pref->setMarkOfTheWebEnabled(m_checkBoxMarkOfTheWeb.isChecked());
 334 #endif // Q_OS_MACOS || Q_OS_WIN
 335     // Python executable path
 336     pref->setPythonExecutablePath(Path(m_pythonExecutablePath.text().trimmed()));
 337     // Start session paused
 338     session->setStartPaused(m_checkBoxStartSessionPaused.isChecked());
 339     // Session shutdown timeout
 340     session->setShutdownTimeout(m_spinBoxSessionShutdownTimeout.value());
 341     // Choking algorithm
 342     session->setChokingAlgorithm(m_comboBoxChokingAlgorithm.currentData().value<BitTorrent::ChokingAlgorithm>());
 343     // Seed choking algorithm
 344     session->setSeedChokingAlgorithm(m_comboBoxSeedChokingAlgorithm.currentData().value<BitTorrent::SeedChokingAlgorithm>());
 345
 346     pref->setConfirmTorrentRecheck(m_checkBoxConfirmTorrentRecheck.isChecked());
 347
 348     pref->setConfirmRemoveAllTags(m_checkBoxConfirmRemoveAllTags.isChecked());
 349     pref->setConfirmRemoveTrackerFromAllTorrents(m_checkBoxConfirmRemoveTrackerFromAllTorrents.isChecked());
 350
 351     session->setAnnounceToAllTrackers(m_checkBoxAnnounceAllTrackers.isChecked());
 352     session->setAnnounceToAllTiers(m_checkBoxAnnounceAllTiers.isChecked());
 353
 354     session->setPeerTurnover(m_spinBoxPeerTurnover.value());
 355     session->setPeerTurnoverCutoff(m_spinBoxPeerTurnoverCutoff.value());
 356     session->setPeerTurnoverInterval(m_spinBoxPeerTurnoverInterval.value());
 357     // Maximum outstanding requests to a single peer
 358     session->setRequestQueueSize(m_spinBoxRequestQueueSize.value());
 359     // DHT bootstrap nodes
 360     session->setDHTBootstrapNodes(m_lineEditDHTBootstrapNodes.text());
 361 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 362     // I2P session options
 363     session->setI2PInboundQuantity(m_spinBoxI2PInboundQuantity.value());
 364     session->setI2POutboundQuantity(m_spinBoxI2POutboundQuantity.value());
 365     session->setI2PInboundLength(m_spinBoxI2PInboundLength.value());
 366     session->setI2POutboundLength(m_spinBoxI2POutboundLength.value());
 367 #endif
 368
 369     session->setTorrentContentRemoveOption(m_comboBoxTorrentContentRemoveOption.currentData().value<BitTorrent::TorrentContentRemoveOption>());
 370 }
 371
 372 #ifndef QBT_USES_LIBTORRENT2
 373 void AdvancedSettings::updateCacheSpinSuffix(const int value)
 374 {
 375     if (value == 0)
 376         m_spinBoxCache.setSuffix(tr(" (disabled)"));
 377     else if (value < 0)
 378         m_spinBoxCache.setSuffix(tr(" (auto)"));
 379     else
 380         m_spinBoxCache.setSuffix(tr(" MiB"));
 381 }
 382 #endif
 383
 384 #ifdef QBT_USES_DBUS
 385 void AdvancedSettings::updateNotificationTimeoutSuffix(const int value)
 386 {
 387     if (value == 0)
 388         m_spinBoxNotificationTimeout.setSuffix(tr(" (infinite)"));
 389     else if (value < 0)
 390         m_spinBoxNotificationTimeout.setSuffix(tr(" (system default)"));
 391     else
 392         m_spinBoxNotificationTimeout.setSuffix(tr(" ms", " milliseconds"));
 393 }
 394 #endif
 395
 396 void AdvancedSettings::updateInterfaceAddressCombo()
 397 {
 398     const auto toString = [](const QHostAddress &address) -> QString
 399     {
 400         switch (address.protocol()) {
 401         case QAbstractSocket::IPv4Protocol:
 402             return address.toString();
 403         case QAbstractSocket::IPv6Protocol:
 404             return Utils::Net::canonicalIPv6Addr(address).toString();
 405         default:
 406             Q_ASSERT(false);
 407             break;
 408         }
 409         return {};
 410     };
 411
 412     // Clear all items and reinsert them
 413     m_comboBoxInterfaceAddress.clear();
 414     m_comboBoxInterfaceAddress.addItem(tr("All addresses"), QString());
 415     m_comboBoxInterfaceAddress.addItem(tr("All IPv4 addresses"), QHostAddress(QHostAddress::AnyIPv4).toString());
 416     m_comboBoxInterfaceAddress.addItem(tr("All IPv6 addresses"), QHostAddress(QHostAddress::AnyIPv6).toString());
 417
 418     const QString currentIface = m_comboBoxInterface.currentData().toString();
 419     if (currentIface.isEmpty())  // `any` interface
 420     {
 421         for (const QHostAddress &address : asConst(QNetworkInterface::allAddresses()))
 422         {
 423             const QString addressString = toString(address);
 424             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 425         }
 426     }
 427     else
 428     {
 429         const QList<QNetworkAddressEntry> addresses = QNetworkInterface::interfaceFromName(currentIface).addressEntries();
 430         for (const QNetworkAddressEntry &entry : addresses)
 431         {
 432             const QString addressString = toString(entry.ip());
 433             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 434         }
 435     }
 436
 437     const QString currentAddress = BitTorrent::Session::instance()->networkInterfaceAddress();
 438     const int index = m_comboBoxInterfaceAddress.findData(currentAddress);
 439     if (index > -1)
 440     {
 441         m_comboBoxInterfaceAddress.setCurrentIndex(index);
 442     }
 443     else
 444     {
 445         // not found, for the sake of UI consistency, add such entry
 446         m_comboBoxInterfaceAddress.addItem(currentAddress, currentAddress);
 447         m_comboBoxInterfaceAddress.setCurrentIndex(m_comboBoxInterfaceAddress.count() - 1);
 448     }
 449 }
 450
 451 void AdvancedSettings::loadAdvancedSettings()
 452 {
 453     const Preferences *const pref = Preferences::instance();
 454     const BitTorrent::Session *const session = BitTorrent::Session::instance();
 455
 456     // add section headers
 457     auto *labelQbtLink = new QLabel(
 458         makeLink(u"https://github.com/qbittorrent/qBittorrent/wiki/Explanation-of-Options-in-qBittorrent#Advanced"
 459                  , tr("Open documentation"))
 460         , this);
 461     labelQbtLink->setOpenExternalLinks(true);
 462     addRow(QBITTORRENT_HEADER, u"<b>%1</b>"_s.arg(tr("qBittorrent Section")), labelQbtLink);
 463     static_cast<QLabel *>(cellWidget(QBITTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 464
 465     auto *labelLibtorrentLink = new QLabel(
 466         makeLink(u"https://www.libtorrent.org/reference-Settings.html"
 467                  , tr("Open documentation"))
 468         , this);
 469     labelLibtorrentLink->setOpenExternalLinks(true);
 470     addRow(LIBTORRENT_HEADER, u"<b>%1</b>"_s.arg(tr("libtorrent Section")), labelLibtorrentLink);
 471     static_cast<QLabel *>(cellWidget(LIBTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 472
 473     m_comboBoxResumeDataStorage.addItem(tr("Fastresume files"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::Legacy));
 474     m_comboBoxResumeDataStorage.addItem(tr("SQLite database (experimental)"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::SQLite));
 475     m_comboBoxResumeDataStorage.setCurrentIndex(m_comboBoxResumeDataStorage.findData(QVariant::fromValue(session->resumeDataStorageType())));
 476     addRow(RESUME_DATA_STORAGE, tr("Resume data storage type (requires restart)"), &m_comboBoxResumeDataStorage);
 477
 478     m_comboBoxTorrentContentRemoveOption.addItem(tr("Delete files permanently"), QVariant::fromValue(BitTorrent::TorrentContentRemoveOption::Delete));
 479     m_comboBoxTorrentContentRemoveOption.addItem(tr("Move files to trash (if possible)"), QVariant::fromValue(BitTorrent::TorrentContentRemoveOption::MoveToTrash));
 480     m_comboBoxTorrentContentRemoveOption.setCurrentIndex(m_comboBoxTorrentContentRemoveOption.findData(QVariant::fromValue(session->torrentContentRemoveOption())));
 481     addRow(TORRENT_CONTENT_REMOVE_OPTION, tr("Torrent content removing mode"), &m_comboBoxTorrentContentRemoveOption);
 482
 483 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
 484     // Physical memory (RAM) usage limit
 485     m_spinBoxMemoryWorkingSetLimit.setMinimum(1);
 486     m_spinBoxMemoryWorkingSetLimit.setMaximum(std::numeric_limits<int>::max());
 487     m_spinBoxMemoryWorkingSetLimit.setSuffix(tr(" MiB"));
 488     m_spinBoxMemoryWorkingSetLimit.setToolTip(tr("This option is less effective on Linux"));
 489     m_spinBoxMemoryWorkingSetLimit.setValue(app()->memoryWorkingSetLimit());
 490     addRow(MEMORY_WORKING_SET_LIMIT, (tr("Physical memory (RAM) usage limit") + u' ' + makeLink(u"https://wikipedia.org/wiki/Working_set", u"(?)"))
 491         , &m_spinBoxMemoryWorkingSetLimit);
 492 #endif
 493 #if defined(Q_OS_WIN)
 494     m_comboBoxOSMemoryPriority.addItem(tr("Normal"), QVariant::fromValue(MemoryPriority::Normal));
 495     m_comboBoxOSMemoryPriority.addItem(tr("Below normal"), QVariant::fromValue(MemoryPriority::BelowNormal));
 496     m_comboBoxOSMemoryPriority.addItem(tr("Medium"), QVariant::fromValue(MemoryPriority::Medium));
 497     m_comboBoxOSMemoryPriority.addItem(tr("Low"), QVariant::fromValue(MemoryPriority::Low));
 498     m_comboBoxOSMemoryPriority.addItem(tr("Very low"), QVariant::fromValue(MemoryPriority::VeryLow));
 499     m_comboBoxOSMemoryPriority.setCurrentIndex(m_comboBoxOSMemoryPriority.findData(QVariant::fromValue(app()->processMemoryPriority())));
 500     addRow(OS_MEMORY_PRIORITY, (tr("Process memory priority")
 501         + u' ' + makeLink(u"https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-memory_priority_information", u"(?)"))
 502         , &m_comboBoxOSMemoryPriority);
 503 #endif
 504     // Bdecode depth limit
 505     m_spinBoxBdecodeDepthLimit.setMinimum(0);
 506     m_spinBoxBdecodeDepthLimit.setMaximum(std::numeric_limits<int>::max());
 507     m_spinBoxBdecodeDepthLimit.setValue(pref->getBdecodeDepthLimit());
 508     addRow(BDECODE_DEPTH_LIMIT, (tr("Bdecode depth limit") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Bdecoding.html#bdecode()", u"(?)"))
 509             , &m_spinBoxBdecodeDepthLimit);
 510     // Bdecode token limit
 511     m_spinBoxBdecodeTokenLimit.setMinimum(0);
 512     m_spinBoxBdecodeTokenLimit.setMaximum(std::numeric_limits<int>::max());
 513     m_spinBoxBdecodeTokenLimit.setValue(pref->getBdecodeTokenLimit());
 514     addRow(BDECODE_TOKEN_LIMIT, (tr("Bdecode token limit") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Bdecoding.html#bdecode()", u"(?)"))
 515             , &m_spinBoxBdecodeTokenLimit);
 516     // Async IO threads
 517     m_spinBoxAsyncIOThreads.setMinimum(1);
 518     m_spinBoxAsyncIOThreads.setMaximum(1024);
 519     m_spinBoxAsyncIOThreads.setValue(session->asyncIOThreads());
 520     addRow(ASYNC_IO_THREADS, (tr("Asynchronous I/O threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#aio_threads", u"(?)"))
 521             , &m_spinBoxAsyncIOThreads);
 522
 523 #ifdef QBT_USES_LIBTORRENT2
 524     // Hashing threads
 525     m_spinBoxHashingThreads.setMinimum(1);
 526     m_spinBoxHashingThreads.setMaximum(1024);
 527     m_spinBoxHashingThreads.setValue(session->hashingThreads());
 528     addRow(HASHING_THREADS, (tr("Hashing threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#hashing_threads", u"(?)"))
 529             , &m_spinBoxHashingThreads);
 530 #endif
 531
 532     // File pool size
 533     m_spinBoxFilePoolSize.setMinimum(1);
 534     m_spinBoxFilePoolSize.setMaximum(std::numeric_limits<int>::max());
 535     m_spinBoxFilePoolSize.setValue(session->filePoolSize());
 536     addRow(FILE_POOL_SIZE, (tr("File pool size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#file_pool_size", u"(?)"))
 537         , &m_spinBoxFilePoolSize);
 538
 539     // Checking Memory Usage
 540     m_spinBoxCheckingMemUsage.setMinimum(1);
 541     // When build as 32bit binary, set the maximum value lower to prevent crashes.
 542 #ifdef QBT_APP_64BIT
 543     m_spinBoxCheckingMemUsage.setMaximum(1024);
 544 #else
 545     // Allocate at most 128MiB out of the remaining 512MiB (see the cache part below)
 546     m_spinBoxCheckingMemUsage.setMaximum(128);
 547 #endif
 548     m_spinBoxCheckingMemUsage.setValue(session->checkingMemUsage());
 549     m_spinBoxCheckingMemUsage.setSuffix(tr(" MiB"));
 550     addRow(CHECKING_MEM_USAGE, (tr("Outstanding memory when checking torrents") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#checking_mem_usage", u"(?)"))
 551             , &m_spinBoxCheckingMemUsage);
 552 #ifndef QBT_USES_LIBTORRENT2
 553     // Disk write cache
 554     m_spinBoxCache.setMinimum(-1);
 555     // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
 556 #ifdef QBT_APP_64BIT
 557     m_spinBoxCache.setMaximum(33554431);  // 32768GiB
 558 #else
 559     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
 560     m_spinBoxCache.setMaximum(1536);
 561 #endif
 562     m_spinBoxCache.setValue(session->diskCacheSize());
 563     updateCacheSpinSuffix(m_spinBoxCache.value());
 564     connect(&m_spinBoxCache, qOverload<int>(&QSpinBox::valueChanged)
 565             , this, &AdvancedSettings::updateCacheSpinSuffix);
 566     addRow(DISK_CACHE, (tr("Disk cache") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_size", u"(?)"))
 567             , &m_spinBoxCache);
 568     // Disk cache expiry
 569     m_spinBoxCacheTTL.setMinimum(1);
 570     m_spinBoxCacheTTL.setMaximum(std::numeric_limits<int>::max());
 571     m_spinBoxCacheTTL.setValue(session->diskCacheTTL());
 572     m_spinBoxCacheTTL.setSuffix(tr(" s", " seconds"));
 573     addRow(DISK_CACHE_TTL, (tr("Disk cache expiry interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_expiry", u"(?)"))
 574             , &m_spinBoxCacheTTL);
 575 #endif
 576     // Disk queue size
 577     m_spinBoxDiskQueueSize.setMinimum(1);
 578     m_spinBoxDiskQueueSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 579     m_spinBoxDiskQueueSize.setValue(session->diskQueueSize() / 1024);
 580     m_spinBoxDiskQueueSize.setSuffix(tr(" KiB"));
 581     addRow(DISK_QUEUE_SIZE, (tr("Disk queue size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_queued_disk_bytes", u"(?)"))
 582             , &m_spinBoxDiskQueueSize);
 583 #ifdef QBT_USES_LIBTORRENT2
 584     // Disk IO type
 585     m_comboBoxDiskIOType.addItem(tr("Default"), QVariant::fromValue(BitTorrent::DiskIOType::Default));
 586     m_comboBoxDiskIOType.addItem(tr("Memory mapped files"), QVariant::fromValue(BitTorrent::DiskIOType::MMap));
 587     m_comboBoxDiskIOType.addItem(tr("POSIX-compliant"), QVariant::fromValue(BitTorrent::DiskIOType::Posix));
 588     m_comboBoxDiskIOType.setCurrentIndex(m_comboBoxDiskIOType.findData(QVariant::fromValue(session->diskIOType())));
 589     addRow(DISK_IO_TYPE, tr("Disk IO type (requires restart)") + u' ' + makeLink(u"https://www.libtorrent.org/single-page-ref.html#default-disk-io-constructor", u"(?)")
 590            , &m_comboBoxDiskIOType);
 591 #endif
 592     // Disk IO read mode
 593     m_comboBoxDiskIOReadMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::DisableOSCache));
 594     m_comboBoxDiskIOReadMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::EnableOSCache));
 595     m_comboBoxDiskIOReadMode.setCurrentIndex(m_comboBoxDiskIOReadMode.findData(QVariant::fromValue(session->diskIOReadMode())));
 596     addRow(DISK_IO_READ_MODE, (tr("Disk IO read mode") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#disk_io_read_mode", u"(?)"))
 597             , &m_comboBoxDiskIOReadMode);
 598     // Disk IO write mode
 599     m_comboBoxDiskIOWriteMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::DisableOSCache));
 600     m_comboBoxDiskIOWriteMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::EnableOSCache));
 601 #ifdef QBT_USES_LIBTORRENT2
 602     m_comboBoxDiskIOWriteMode.addItem(tr("Write-through"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::WriteThrough));
 603 #endif
 604     m_comboBoxDiskIOWriteMode.setCurrentIndex(m_comboBoxDiskIOWriteMode.findData(QVariant::fromValue(session->diskIOWriteMode())));
 605     addRow(DISK_IO_WRITE_MODE, (tr("Disk IO write mode") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#disk_io_write_mode", u"(?)"))
 606             , &m_comboBoxDiskIOWriteMode);
 607 #ifndef QBT_USES_LIBTORRENT2
 608     // Coalesce reads & writes
 609     m_checkBoxCoalesceRW.setChecked(session->isCoalesceReadWriteEnabled());
 610     addRow(COALESCE_RW, (tr("Coalesce reads & writes") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#coalesce_reads", u"(?)"))
 611             , &m_checkBoxCoalesceRW);
 612 #endif
 613     // Piece extent affinity
 614     m_checkBoxPieceExtentAffinity.setChecked(session->usePieceExtentAffinity());
 615     addRow(PIECE_EXTENT_AFFINITY, (tr("Use piece extent affinity") + u' ' + makeLink(u"https://libtorrent.org/single-page-ref.html#piece_extent_affinity", u"(?)")), &m_checkBoxPieceExtentAffinity);
 616     // Suggest mode
 617     m_checkBoxSuggestMode.setChecked(session->isSuggestModeEnabled());
 618     addRow(SUGGEST_MODE, (tr("Send upload piece suggestions") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#suggest_mode", u"(?)"))
 619             , &m_checkBoxSuggestMode);
 620     // Send buffer watermark
 621     m_spinBoxSendBufferWatermark.setMinimum(1);
 622     m_spinBoxSendBufferWatermark.setMaximum(std::numeric_limits<int>::max());
 623     m_spinBoxSendBufferWatermark.setSuffix(tr(" KiB"));
 624     m_spinBoxSendBufferWatermark.setValue(session->sendBufferWatermark());
 625     addRow(SEND_BUF_WATERMARK, (tr("Send buffer watermark") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark", u"(?)"))
 626             , &m_spinBoxSendBufferWatermark);
 627     m_spinBoxSendBufferLowWatermark.setMinimum(1);
 628     m_spinBoxSendBufferLowWatermark.setMaximum(std::numeric_limits<int>::max());
 629     m_spinBoxSendBufferLowWatermark.setSuffix(tr(" KiB"));
 630     m_spinBoxSendBufferLowWatermark.setValue(session->sendBufferLowWatermark());
 631     addRow(SEND_BUF_LOW_WATERMARK, (tr("Send buffer low watermark") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_low_watermark", u"(?)"))
 632             , &m_spinBoxSendBufferLowWatermark);
 633     m_spinBoxSendBufferWatermarkFactor.setMinimum(1);
 634     m_spinBoxSendBufferWatermarkFactor.setMaximum(std::numeric_limits<int>::max());
 635     m_spinBoxSendBufferWatermarkFactor.setSuffix(u" %"_s);
 636     m_spinBoxSendBufferWatermarkFactor.setValue(session->sendBufferWatermarkFactor());
 637     addRow(SEND_BUF_WATERMARK_FACTOR, (tr("Send buffer watermark factor") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark_factor", u"(?)"))
 638             , &m_spinBoxSendBufferWatermarkFactor);
 639     // Outgoing connections per second
 640     m_spinBoxConnectionSpeed.setMinimum(0);
 641     m_spinBoxConnectionSpeed.setMaximum(std::numeric_limits<int>::max());
 642     m_spinBoxConnectionSpeed.setValue(session->connectionSpeed());
 643     addRow(CONNECTION_SPEED, (tr("Outgoing connections per second") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#connection_speed", u"(?)"))
 644             , &m_spinBoxConnectionSpeed);
 645     // Socket send buffer size
 646     m_spinBoxSocketSendBufferSize.setMinimum(0);
 647     m_spinBoxSocketSendBufferSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 648     m_spinBoxSocketSendBufferSize.setValue(session->socketSendBufferSize() / 1024);
 649     m_spinBoxSocketSendBufferSize.setSuffix(tr(" KiB"));
 650     m_spinBoxSocketSendBufferSize.setSpecialValueText(tr("0 (system default)"));
 651     addRow(SOCKET_SEND_BUFFER_SIZE, (tr("Socket send buffer size [0: system default]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_socket_buffer_size", u"(?)"))
 652             , &m_spinBoxSocketSendBufferSize);
 653     // Socket receive buffer size
 654     m_spinBoxSocketReceiveBufferSize.setMinimum(0);
 655     m_spinBoxSocketReceiveBufferSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 656     m_spinBoxSocketReceiveBufferSize.setValue(session->socketReceiveBufferSize() / 1024);
 657     m_spinBoxSocketReceiveBufferSize.setSuffix(tr(" KiB"));
 658     m_spinBoxSocketReceiveBufferSize.setSpecialValueText(tr("0 (system default)"));
 659     addRow(SOCKET_RECEIVE_BUFFER_SIZE, (tr("Socket receive buffer size [0: system default]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#recv_socket_buffer_size", u"(?)"))
 660             , &m_spinBoxSocketReceiveBufferSize);
 661     // Socket listen backlog size
 662     m_spinBoxSocketBacklogSize.setMinimum(1);
 663     m_spinBoxSocketBacklogSize.setMaximum(std::numeric_limits<int>::max());
 664     m_spinBoxSocketBacklogSize.setValue(session->socketBacklogSize());
 665     addRow(SOCKET_BACKLOG_SIZE, (tr("Socket backlog size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#listen_queue_size", u"(?)"))
 666             , &m_spinBoxSocketBacklogSize);
 667     // Save resume data interval
 668     m_spinBoxSaveResumeDataInterval.setMinimum(0);
 669     m_spinBoxSaveResumeDataInterval.setMaximum(std::numeric_limits<int>::max());
 670     m_spinBoxSaveResumeDataInterval.setValue(session->saveResumeDataInterval());
 671     m_spinBoxSaveResumeDataInterval.setSuffix(tr(" min", " minutes"));
 672     m_spinBoxSaveResumeDataInterval.setSpecialValueText(tr("0 (disabled)"));
 673     addRow(SAVE_RESUME_DATA_INTERVAL, tr("Save resume data interval [0: disabled]", "How often the fastresume file is saved."), &m_spinBoxSaveResumeDataInterval);
 674     // .torrent file size limit
 675     m_spinBoxTorrentFileSizeLimit.setMinimum(1);
 676     m_spinBoxTorrentFileSizeLimit.setMaximum(std::numeric_limits<int>::max() / 1024 / 1024);
 677     m_spinBoxTorrentFileSizeLimit.setValue(pref->getTorrentFileSizeLimit() / 1024 / 1024);
 678     m_spinBoxTorrentFileSizeLimit.setSuffix(tr(" MiB"));
 679     addRow(TORRENT_FILE_SIZE_LIMIT, tr(".torrent file size limit"), &m_spinBoxTorrentFileSizeLimit);
 680     // Outgoing port Min
 681     m_spinBoxOutgoingPortsMin.setMinimum(0);
 682     m_spinBoxOutgoingPortsMin.setMaximum(65535);
 683     m_spinBoxOutgoingPortsMin.setValue(session->outgoingPortsMin());
 684     m_spinBoxOutgoingPortsMin.setSpecialValueText(tr("0 (disabled)"));
 685     addRow(OUTGOING_PORT_MIN, (tr("Outgoing ports (Min) [0: disabled]")
 686         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 687         , &m_spinBoxOutgoingPortsMin);
 688     // Outgoing port Max
 689     m_spinBoxOutgoingPortsMax.setMinimum(0);
 690     m_spinBoxOutgoingPortsMax.setMaximum(65535);
 691     m_spinBoxOutgoingPortsMax.setValue(session->outgoingPortsMax());
 692     m_spinBoxOutgoingPortsMax.setSpecialValueText(tr("0 (disabled)"));
 693     addRow(OUTGOING_PORT_MAX, (tr("Outgoing ports (Max) [0: disabled]")
 694         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 695         , &m_spinBoxOutgoingPortsMax);
 696     // UPnP lease duration
 697     m_spinBoxUPnPLeaseDuration.setMinimum(0);
 698     m_spinBoxUPnPLeaseDuration.setMaximum(std::numeric_limits<int>::max());
 699     m_spinBoxUPnPLeaseDuration.setValue(session->UPnPLeaseDuration());
 700     m_spinBoxUPnPLeaseDuration.setSuffix(tr(" s", " seconds"));
 701     m_spinBoxUPnPLeaseDuration.setSpecialValueText(tr("0 (permanent lease)"));
 702     addRow(UPNP_LEASE_DURATION, (tr("UPnP lease duration [0: permanent lease]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#upnp_lease_duration", u"(?)"))
 703         , &m_spinBoxUPnPLeaseDuration);
 704     // Type of service
 705     m_spinBoxPeerToS.setMinimum(0);
 706     m_spinBoxPeerToS.setMaximum(255);
 707     m_spinBoxPeerToS.setValue(session->peerToS());
 708     addRow(PEER_TOS, (tr("Type of service (ToS) for connections to peers") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_tos", u"(?)"))
 709         , &m_spinBoxPeerToS);
 710     // uTP-TCP mixed mode
 711     m_comboBoxUtpMixedMode.addItem(tr("Prefer TCP"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::TCP));
 712     m_comboBoxUtpMixedMode.addItem(tr("Peer proportional (throttles TCP)"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::Proportional));
 713     m_comboBoxUtpMixedMode.setCurrentIndex(m_comboBoxUtpMixedMode.findData(QVariant::fromValue(session->utpMixedMode())));
 714     addRow(UTP_MIX_MODE, (tr("%1-TCP mixed mode algorithm", "uTP-TCP mixed mode algorithm").arg(C_UTP)
 715             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#mixed_mode_algorithm", u"(?)"))
 716             , &m_comboBoxUtpMixedMode);
 717     // Support internationalized domain name (IDN)
 718     m_checkBoxIDNSupport.setChecked(session->isIDNSupportEnabled());
 719     addRow(IDN_SUPPORT, (tr("Support internationalized domain name (IDN)")
 720             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_idna", u"(?)"))
 721             , &m_checkBoxIDNSupport);
 722     // multiple connections per IP
 723     m_checkBoxMultiConnectionsPerIp.setChecked(session->multiConnectionsPerIpEnabled());
 724     addRow(MULTI_CONNECTIONS_PER_IP, (tr("Allow multiple connections from the same IP address")
 725             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_multiple_connections_per_ip", u"(?)"))
 726             , &m_checkBoxMultiConnectionsPerIp);
 727     // Validate HTTPS tracker certificate
 728     m_checkBoxValidateHTTPSTrackerCertificate.setChecked(session->validateHTTPSTrackerCertificate());
 729     addRow(VALIDATE_HTTPS_TRACKER_CERTIFICATE, (tr("Validate HTTPS tracker certificates")
 730             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#validate_https_trackers", u"(?)"))
 731             , &m_checkBoxValidateHTTPSTrackerCertificate);
 732     // SSRF mitigation
 733     m_checkBoxSSRFMitigation.setChecked(session->isSSRFMitigationEnabled());
 734     addRow(SSRF_MITIGATION, (tr("Server-side request forgery (SSRF) mitigation")
 735         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#ssrf_mitigation", u"(?)"))
 736         , &m_checkBoxSSRFMitigation);
 737     // Disallow connection to peers on privileged ports
 738     m_checkBoxBlockPeersOnPrivilegedPorts.setChecked(session->blockPeersOnPrivilegedPorts());
 739     addRow(BLOCK_PEERS_ON_PRIVILEGED_PORTS, (tr("Disallow connection to peers on privileged ports") + u' ' + makeLink(u"https://libtorrent.org/single-page-ref.html#no_connect_privileged_ports", u"(?)")), &m_checkBoxBlockPeersOnPrivilegedPorts);
 740     // Recheck completed torrents
 741     m_checkBoxRecheckCompleted.setChecked(pref->recheckTorrentsOnCompletion());
 742     addRow(RECHECK_COMPLETED, tr("Recheck torrents on completion"), &m_checkBoxRecheckCompleted);
 743     // Customize application instance name
 744     m_lineEditAppInstanceName.setText(app()->instanceName());
 745     m_lineEditAppInstanceName.setToolTip(tr("It appends the text to the window title to help distinguish qBittorent instances"));
 746     addRow(APP_INSTANCE_NAME, tr("Customize application instance name"), &m_lineEditAppInstanceName);
 747     // Refresh interval
 748     m_spinBoxListRefresh.setMinimum(30);
 749     m_spinBoxListRefresh.setMaximum(99999);
 750     m_spinBoxListRefresh.setValue(session->refreshInterval());
 751     m_spinBoxListRefresh.setSuffix(tr(" ms", " milliseconds"));
 752     m_spinBoxListRefresh.setToolTip(tr("It controls the internal state update interval which in turn will affect UI updates"));
 753     addRow(LIST_REFRESH, tr("Refresh interval"), &m_spinBoxListRefresh);
 754     // Resolve Peer countries
 755     m_checkBoxResolveCountries.setChecked(pref->resolvePeerCountries());
 756     addRow(RESOLVE_COUNTRIES, tr("Resolve peer countries"), &m_checkBoxResolveCountries);
 757     // Resolve peer hosts
 758     m_checkBoxResolveHosts.setChecked(pref->resolvePeerHostNames());
 759     addRow(RESOLVE_HOSTS, tr("Resolve peer host names"), &m_checkBoxResolveHosts);
 760     // Network interface
 761     m_comboBoxInterface.addItem(tr("Any interface", "i.e. Any network interface"), QString());
 762     for (const QNetworkInterface &iface : asConst(QNetworkInterface::allInterfaces()))
 763         m_comboBoxInterface.addItem(iface.humanReadableName(), iface.name());
 764
 765     const QString currentInterface = session->networkInterface();
 766     const int ifaceIndex = m_comboBoxInterface.findData(currentInterface);
 767     if (ifaceIndex > -1)
 768     {
 769         m_comboBoxInterface.setCurrentIndex(ifaceIndex);
 770     }
 771     else
 772     {
 773         // Saved interface does not exist, show it
 774         m_comboBoxInterface.addItem(session->networkInterfaceName(), currentInterface);
 775         m_comboBoxInterface.setCurrentIndex(m_comboBoxInterface.count() - 1);
 776     }
 777
 778     connect(&m_comboBoxInterface, qOverload<int>(&QComboBox::currentIndexChanged)
 779         , this, &AdvancedSettings::updateInterfaceAddressCombo);
 780     addRow(NETWORK_IFACE, tr("Network interface"), &m_comboBoxInterface);
 781     // Network interface address
 782     updateInterfaceAddressCombo();
 783     addRow(NETWORK_IFACE_ADDRESS, tr("Optional IP address to bind to"), &m_comboBoxInterfaceAddress);
 784     // Announce IP
 785     m_lineEditAnnounceIP.setText(session->announceIP());
 786     addRow(ANNOUNCE_IP, (tr("IP address reported to trackers (requires restart)")
 787         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_ip", u"(?)"))
 788         , &m_lineEditAnnounceIP);
 789     // Max concurrent HTTP announces
 790     m_spinBoxMaxConcurrentHTTPAnnounces.setMaximum(std::numeric_limits<int>::max());
 791     m_spinBoxMaxConcurrentHTTPAnnounces.setValue(session->maxConcurrentHTTPAnnounces());
 792     addRow(MAX_CONCURRENT_HTTP_ANNOUNCES, (tr("Max concurrent HTTP announces") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_concurrent_http_announces", u"(?)"))
 793            , &m_spinBoxMaxConcurrentHTTPAnnounces);
 794     // Stop tracker timeout
 795     m_spinBoxStopTrackerTimeout.setMaximum(std::numeric_limits<int>::max());
 796     m_spinBoxStopTrackerTimeout.setValue(session->stopTrackerTimeout());
 797     m_spinBoxStopTrackerTimeout.setSuffix(tr(" s", " seconds"));
 798     m_spinBoxStopTrackerTimeout.setSpecialValueText(tr("0 (disabled)"));
 799     addRow(STOP_TRACKER_TIMEOUT, (tr("Stop tracker timeout [0: disabled]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#stop_tracker_timeout", u"(?)"))
 800            , &m_spinBoxStopTrackerTimeout);
 801     // Program notifications
 802     m_checkBoxProgramNotifications.setChecked(app()->desktopIntegration()->isNotificationsEnabled());
 803     addRow(PROGRAM_NOTIFICATIONS, tr("Display notifications"), &m_checkBoxProgramNotifications);
 804     // Torrent added notifications
 805     m_checkBoxTorrentAddedNotifications.setChecked(app()->isTorrentAddedNotificationsEnabled());
 806     addRow(TORRENT_ADDED_NOTIFICATIONS, tr("Display notifications for added torrents"), &m_checkBoxTorrentAddedNotifications);
 807 #ifdef QBT_USES_DBUS
 808     // Notification timeout
 809     m_spinBoxNotificationTimeout.setMinimum(-1);
 810     m_spinBoxNotificationTimeout.setMaximum(std::numeric_limits<int>::max());
 811     m_spinBoxNotificationTimeout.setValue(app()->desktopIntegration()->notificationTimeout());
 812     connect(&m_spinBoxNotificationTimeout, qOverload<int>(&QSpinBox::valueChanged)
 813         , this, &AdvancedSettings::updateNotificationTimeoutSuffix);
 814     updateNotificationTimeoutSuffix(m_spinBoxNotificationTimeout.value());
 815     addRow(NOTIFICATION_TIMEOUT, tr("Notification timeout [0: infinite, -1: system default]"), &m_spinBoxNotificationTimeout);
 816 #endif
 817     // Reannounce to all trackers when ip/port changed
 818     m_checkBoxReannounceWhenAddressChanged.setChecked(session->isReannounceWhenAddressChangedEnabled());
 819     addRow(REANNOUNCE_WHEN_ADDRESS_CHANGED, tr("Reannounce to all trackers when IP or port changed"), &m_checkBoxReannounceWhenAddressChanged);
 820     // Download tracker's favicon
 821     m_checkBoxTrackerFavicon.setChecked(app()->mainWindow()->isDownloadTrackerFavicon());
 822     addRow(DOWNLOAD_TRACKER_FAVICON, tr("Download tracker's favicon"), &m_checkBoxTrackerFavicon);
 823     // Save path history length
 824     m_spinBoxSavePathHistoryLength.setRange(0, 99);
 825     m_spinBoxSavePathHistoryLength.setValue(pref->addNewTorrentDialogSavePathHistoryLength());
 826     addRow(SAVE_PATH_HISTORY_LENGTH, tr("Save path history length"), &m_spinBoxSavePathHistoryLength);
 827     // Enable speed graphs
 828     m_checkBoxSpeedWidgetEnabled.setChecked(pref->isSpeedWidgetEnabled());
 829     addRow(ENABLE_SPEED_WIDGET, tr("Enable speed graphs"), &m_checkBoxSpeedWidgetEnabled);
 830 #ifndef Q_OS_MACOS
 831     // Enable icons in menus
 832     m_checkBoxIconsInMenusEnabled.setChecked(pref->iconsInMenusEnabled());
 833     addRow(ENABLE_ICONS_IN_MENUS, tr("Enable icons in menus"), &m_checkBoxIconsInMenusEnabled);
 834 #endif
 835     // Tracker State
 836     m_checkBoxTrackerStatus.setChecked(session->isTrackerEnabled());
 837     addRow(TRACKER_STATUS, tr("Enable embedded tracker"), &m_checkBoxTrackerStatus);
 838     // Tracker port
 839     m_spinBoxTrackerPort.setMinimum(1);
 840     m_spinBoxTrackerPort.setMaximum(65535);
 841     m_spinBoxTrackerPort.setValue(pref->getTrackerPort());
 842     addRow(TRACKER_PORT, tr("Embedded tracker port"), &m_spinBoxTrackerPort);
 843     // Tracker port forwarding
 844     m_checkBoxTrackerPortForwarding.setChecked(pref->isTrackerPortForwardingEnabled());
 845     addRow(TRACKER_PORT_FORWARDING, tr("Enable port forwarding for embedded tracker"), &m_checkBoxTrackerPortForwarding);
 846 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 847     // Mark-of-the-Web
 848 #ifdef Q_OS_MACOS
 849     const QString motwLabel = tr("Enable quarantine for downloaded files");
 850 #elif defined(Q_OS_WIN)
 851     const QString motwLabel = tr("Enable Mark-of-the-Web (MOTW) for downloaded files");
 852 #endif
 853     m_checkBoxMarkOfTheWeb.setChecked(pref->isMarkOfTheWebEnabled());
 854     addRow(ENABLE_MARK_OF_THE_WEB, motwLabel, &m_checkBoxMarkOfTheWeb);
 855 #endif // Q_OS_MACOS || Q_OS_WIN
 856     // Python executable path
 857     m_pythonExecutablePath.setPlaceholderText(tr("(Auto detect if empty)"));
 858     m_pythonExecutablePath.setText(pref->getPythonExecutablePath().toString());
 859     addRow(PYTHON_EXECUTABLE_PATH, tr("Python executable path (may require restart)"), &m_pythonExecutablePath);
 860     // Start session paused
 861     m_checkBoxStartSessionPaused.setChecked(session->isStartPaused());
 862     addRow(START_SESSION_PAUSED, tr("Start BitTorrent session in paused state"), &m_checkBoxStartSessionPaused);
 863     // Session shutdown timeout
 864     m_spinBoxSessionShutdownTimeout.setMinimum(-1);
 865     m_spinBoxSessionShutdownTimeout.setMaximum(std::numeric_limits<int>::max());
 866     m_spinBoxSessionShutdownTimeout.setValue(session->shutdownTimeout());
 867     m_spinBoxSessionShutdownTimeout.setSuffix(tr(" sec", " seconds"));
 868     m_spinBoxSessionShutdownTimeout.setSpecialValueText(tr("-1 (unlimited)"));
 869     m_spinBoxSessionShutdownTimeout.setToolTip(u"Sets the timeout for the session to be shut down gracefully, at which point it will be forcibly terminated.<br>Note that this does not apply to the saving resume data time."_s);
 870     addRow(SESSION_SHUTDOWN_TIMEOUT, tr("BitTorrent session shutdown timeout [-1: unlimited]"), &m_spinBoxSessionShutdownTimeout);
 871
 872     // Choking algorithm
 873     m_comboBoxChokingAlgorithm.addItem(tr("Fixed slots"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::FixedSlots));
 874     m_comboBoxChokingAlgorithm.addItem(tr("Upload rate based"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::RateBased));
 875     m_comboBoxChokingAlgorithm.setCurrentIndex(m_comboBoxChokingAlgorithm.findData(QVariant::fromValue(session->chokingAlgorithm())));
 876     addRow(CHOKING_ALGORITHM, (tr("Upload slots behavior") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#choking_algorithm", u"(?)"))
 877             , &m_comboBoxChokingAlgorithm);
 878     // Seed choking algorithm
 879     m_comboBoxSeedChokingAlgorithm.addItem(tr("Round-robin"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::RoundRobin));
 880     m_comboBoxSeedChokingAlgorithm.addItem(tr("Fastest upload"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::FastestUpload));
 881     m_comboBoxSeedChokingAlgorithm.addItem(tr("Anti-leech"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::AntiLeech));
 882     m_comboBoxSeedChokingAlgorithm.setCurrentIndex(m_comboBoxSeedChokingAlgorithm.findData(QVariant::fromValue(session->seedChokingAlgorithm())));
 883     addRow(SEED_CHOKING_ALGORITHM, (tr("Upload choking algorithm") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#seed_choking_algorithm", u"(?)"))
 884             , &m_comboBoxSeedChokingAlgorithm);
 885
 886     // Torrent recheck confirmation
 887     m_checkBoxConfirmTorrentRecheck.setChecked(pref->confirmTorrentRecheck());
 888     addRow(CONFIRM_RECHECK_TORRENT, tr("Confirm torrent recheck"), &m_checkBoxConfirmTorrentRecheck);
 889
 890     // Remove all tags confirmation
 891     m_checkBoxConfirmRemoveAllTags.setChecked(pref->confirmRemoveAllTags());
 892     addRow(CONFIRM_REMOVE_ALL_TAGS, tr("Confirm removal of all tags"), &m_checkBoxConfirmRemoveAllTags);
 893
 894     // Remove tracker from all torrents confirmation
 895     m_checkBoxConfirmRemoveTrackerFromAllTorrents.setChecked(pref->confirmRemoveTrackerFromAllTorrents());
 896     addRow(CONFIRM_REMOVE_TRACKER_FROM_ALL_TORRENTS, tr("Confirm removal of tracker from all torrents"), &m_checkBoxConfirmRemoveTrackerFromAllTorrents);
 897
 898     // Announce to all trackers in a tier
 899     m_checkBoxAnnounceAllTrackers.setChecked(session->announceToAllTrackers());
 900     addRow(ANNOUNCE_ALL_TRACKERS, (tr("Always announce to all trackers in a tier")
 901         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_trackers", u"(?)"))
 902         , &m_checkBoxAnnounceAllTrackers);
 903
 904     // Announce to all tiers
 905     m_checkBoxAnnounceAllTiers.setChecked(session->announceToAllTiers());
 906     addRow(ANNOUNCE_ALL_TIERS, (tr("Always announce to all tiers")
 907         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_tiers", u"(?)"))
 908         , &m_checkBoxAnnounceAllTiers);
 909
 910     m_spinBoxPeerTurnover.setMinimum(0);
 911     m_spinBoxPeerTurnover.setMaximum(100);
 912     m_spinBoxPeerTurnover.setValue(session->peerTurnover());
 913     m_spinBoxPeerTurnover.setSuffix(u" %"_s);
 914     addRow(PEER_TURNOVER, (tr("Peer turnover disconnect percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 915             , &m_spinBoxPeerTurnover);
 916     m_spinBoxPeerTurnoverCutoff.setMinimum(0);
 917     m_spinBoxPeerTurnoverCutoff.setMaximum(100);
 918     m_spinBoxPeerTurnoverCutoff.setSuffix(u" %"_s);
 919     m_spinBoxPeerTurnoverCutoff.setValue(session->peerTurnoverCutoff());
 920     addRow(PEER_TURNOVER_CUTOFF, (tr("Peer turnover threshold percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 921             , &m_spinBoxPeerTurnoverCutoff);
 922     m_spinBoxPeerTurnoverInterval.setMinimum(30);
 923     m_spinBoxPeerTurnoverInterval.setMaximum(3600);
 924     m_spinBoxPeerTurnoverInterval.setSuffix(tr(" s", " seconds"));
 925     m_spinBoxPeerTurnoverInterval.setValue(session->peerTurnoverInterval());
 926     addRow(PEER_TURNOVER_INTERVAL, (tr("Peer turnover disconnect interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 927             , &m_spinBoxPeerTurnoverInterval);
 928     // Maximum outstanding requests to a single peer
 929     m_spinBoxRequestQueueSize.setMinimum(1);
 930     m_spinBoxRequestQueueSize.setMaximum(std::numeric_limits<int>::max());
 931     m_spinBoxRequestQueueSize.setValue(session->requestQueueSize());
 932     addRow(REQUEST_QUEUE_SIZE, (tr("Maximum outstanding requests to a single peer") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_out_request_queue", u"(?)"))
 933             , &m_spinBoxRequestQueueSize);
 934     // DHT bootstrap nodes
 935     m_lineEditDHTBootstrapNodes.setPlaceholderText(tr("Resets to default if empty"));
 936     m_lineEditDHTBootstrapNodes.setText(session->getDHTBootstrapNodes());
 937     addRow(DHT_BOOTSTRAP_NODES, (tr("DHT bootstrap nodes") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#dht_bootstrap_nodes", u"(?)"))
 938         , &m_lineEditDHTBootstrapNodes);
 939 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 940     // I2P session options
 941     m_spinBoxI2PInboundQuantity.setMinimum(1);
 942     m_spinBoxI2PInboundQuantity.setMaximum(16);
 943     m_spinBoxI2PInboundQuantity.setValue(session->I2PInboundQuantity());
 944     addRow(I2P_INBOUND_QUANTITY, (tr("I2P inbound quantity") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_inbound_quantity", u"(?)"))
 945         , &m_spinBoxI2PInboundQuantity);
 946     m_spinBoxI2POutboundQuantity.setMinimum(1);
 947     m_spinBoxI2POutboundQuantity.setMaximum(16);
 948     m_spinBoxI2POutboundQuantity.setValue(session->I2POutboundQuantity());
 949     addRow(I2P_OUTBOUND_QUANTITY, (tr("I2P outbound quantity") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_outbound_quantity", u"(?)"))
 950         , &m_spinBoxI2POutboundQuantity);
 951     m_spinBoxI2PInboundLength.setMinimum(0);
 952     m_spinBoxI2PInboundLength.setMaximum(7);
 953     m_spinBoxI2PInboundLength.setValue(session->I2PInboundLength());
 954     addRow(I2P_INBOUND_LENGTH, (tr("I2P inbound length") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_inbound_length", u"(?)"))
 955         , &m_spinBoxI2PInboundLength);
 956     m_spinBoxI2POutboundLength.setMinimum(0);
 957     m_spinBoxI2POutboundLength.setMaximum(7);
 958     m_spinBoxI2POutboundLength.setValue(session->I2POutboundLength());
 959     addRow(I2P_OUTBOUND_LENGTH, (tr("I2P outbound length") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_outbound_length", u"(?)"))
 960         , &m_spinBoxI2POutboundLength);
 961 #endif
 962 }
 963
 964 template <typename T>
 965 void AdvancedSettings::addRow(const int row, const QString &text, T *widget)
 966 {
 967     auto *label = new QLabel(text);
 968     label->setOpenExternalLinks(true);
 969     label->setToolTip(widget->toolTip());
 970
 971     setCellWidget(row, PROPERTY, label);
 972     setCellWidget(row, VALUE, widget);
 973
 974     if constexpr (std::is_same_v<T, QCheckBox>)
 975         connect(widget, &QCheckBox::stateChanged, this, &AdvancedSettings::settingsChanged);
 976     else if constexpr (std::is_same_v<T, QSpinBox>)
 977         connect(widget, qOverload<int>(&QSpinBox::valueChanged), this, &AdvancedSettings::settingsChanged);
 978     else if constexpr (std::is_same_v<T, QComboBox>)
 979         connect(widget, qOverload<int>(&QComboBox::currentIndexChanged), this, &AdvancedSettings::settingsChanged);
 980     else if constexpr (std::is_same_v<T, QLineEdit>)
 981         connect(widget, &QLineEdit::textChanged, this, &AdvancedSettings::settingsChanged);
 982 }