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sessionimpl.cpp
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sessionimpl.cpp
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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2015-2022 Vladimir Golovnev <glassez@yandex.ru>
* Copyright (C) 2006 Christophe Dumez <chris@qbittorrent.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
#include "sessionimpl.h"
#include <algorithm>
#include <chrono>
#include <cstdint>
#include <ctime>
#include <queue>
#include <string>
#ifdef Q_OS_WIN
#include <Windows.h>
#include <wincrypt.h>
#include <iphlpapi.h>
#endif
#include <boost/asio/ip/tcp.hpp>
#include <libtorrent/add_torrent_params.hpp>
#include <libtorrent/address.hpp>
#include <libtorrent/alert_types.hpp>
#include <libtorrent/error_code.hpp>
#include <libtorrent/extensions/smart_ban.hpp>
#include <libtorrent/extensions/ut_metadata.hpp>
#include <libtorrent/extensions/ut_pex.hpp>
#include <libtorrent/ip_filter.hpp>
#include <libtorrent/magnet_uri.hpp>
#include <libtorrent/session.hpp>
#include <libtorrent/session_stats.hpp>
#include <libtorrent/session_status.hpp>
#include <libtorrent/torrent_info.hpp>
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QHostAddress>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonValue>
#include <QNetworkAddressEntry>
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
#include <QNetworkConfigurationManager>
#endif
#include <QNetworkInterface>
#include <QRegularExpression>
#include <QString>
#include <QThread>
#include <QThreadPool>
#include <QTimer>
#include <QUuid>
#include "base/algorithm.h"
#include "base/global.h"
#include "base/logger.h"
#include "base/net/downloadmanager.h"
#include "base/net/proxyconfigurationmanager.h"
#include "base/preferences.h"
#include "base/profile.h"
#include "base/torrentfileguard.h"
#include "base/torrentfilter.h"
#include "base/unicodestrings.h"
#include "base/utils/bytearray.h"
#include "base/utils/fs.h"
#include "base/utils/io.h"
#include "base/utils/misc.h"
#include "base/utils/net.h"
#include "base/utils/random.h"
#include "base/version.h"
#include "bandwidthscheduler.h"
#include "bencoderesumedatastorage.h"
#include "common.h"
#include "customstorage.h"
#include "dbresumedatastorage.h"
#include "downloadpriority.h"
#include "extensiondata.h"
#include "filesearcher.h"
#include "filterparserthread.h"
#include "loadtorrentparams.h"
#include "lttypecast.h"
#include "magneturi.h"
#include "nativesessionextension.h"
#include "portforwarderimpl.h"
#include "resumedatastorage.h"
#include "torrentimpl.h"
#include "tracker.h"
using namespace std::chrono_literals;
using namespace BitTorrent;
const Path CATEGORIES_FILE_NAME {u"categories.json"_qs};
const int MAX_PROCESSING_RESUMEDATA_COUNT = 50;
const int STATISTICS_SAVE_INTERVAL = std::chrono::milliseconds(15min).count();
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
namespace std
{
uint qHash(const std::string &key, uint seed = 0)
{
return ::qHash(std::hash<std::string> {}(key), seed);
}
}
namespace libtorrent
{
uint qHash(const libtorrent::torrent_handle &key)
{
return static_cast<uint>(libtorrent::hash_value(key));
}
}
#endif
namespace
{
const char PEER_ID[] = "qB";
const auto USER_AGENT = QStringLiteral("qBittorrent/" QBT_VERSION_2);
void torrentQueuePositionUp(const lt::torrent_handle &handle)
{
try
{
handle.queue_position_up();
}
catch (const std::exception &exc)
{
qDebug() << Q_FUNC_INFO << " fails: " << exc.what();
}
}
void torrentQueuePositionDown(const lt::torrent_handle &handle)
{
try
{
handle.queue_position_down();
}
catch (const std::exception &exc)
{
qDebug() << Q_FUNC_INFO << " fails: " << exc.what();
}
}
void torrentQueuePositionTop(const lt::torrent_handle &handle)
{
try
{
handle.queue_position_top();
}
catch (const std::exception &exc)
{
qDebug() << Q_FUNC_INFO << " fails: " << exc.what();
}
}
void torrentQueuePositionBottom(const lt::torrent_handle &handle)
{
try
{
handle.queue_position_bottom();
}
catch (const std::exception &exc)
{
qDebug() << Q_FUNC_INFO << " fails: " << exc.what();
}
}
QMap<QString, CategoryOptions> expandCategories(const QMap<QString, CategoryOptions> &categories)
{
QMap<QString, CategoryOptions> expanded = categories;
for (auto i = categories.cbegin(); i != categories.cend(); ++i)
{
const QString &category = i.key();
for (const QString &subcat : asConst(Session::expandCategory(category)))
{
if (!expanded.contains(subcat))
expanded[subcat] = {};
}
}
return expanded;
}
QString toString(const lt::socket_type_t socketType)
{
switch (socketType)
{
#ifdef QBT_USES_LIBTORRENT2
case lt::socket_type_t::http:
return u"HTTP"_qs;
case lt::socket_type_t::http_ssl:
return u"HTTP_SSL"_qs;
#endif
case lt::socket_type_t::i2p:
return u"I2P"_qs;
case lt::socket_type_t::socks5:
return u"SOCKS5"_qs;
#ifdef QBT_USES_LIBTORRENT2
case lt::socket_type_t::socks5_ssl:
return u"SOCKS5_SSL"_qs;
#endif
case lt::socket_type_t::tcp:
return u"TCP"_qs;
case lt::socket_type_t::tcp_ssl:
return u"TCP_SSL"_qs;
#ifdef QBT_USES_LIBTORRENT2
case lt::socket_type_t::utp:
return u"UTP"_qs;
#else
case lt::socket_type_t::udp:
return u"UDP"_qs;
#endif
case lt::socket_type_t::utp_ssl:
return u"UTP_SSL"_qs;
}
return u"INVALID"_qs;
}
QString toString(const lt::address &address)
{
try
{
return QString::fromLatin1(address.to_string().c_str());
}
catch (const std::exception &)
{
// suppress conversion error
}
return {};
}
template <typename T>
struct LowerLimited
{
LowerLimited(T limit, T ret)
: m_limit(limit)
, m_ret(ret)
{
}
explicit LowerLimited(T limit)
: LowerLimited(limit, limit)
{
}
T operator()(T val) const
{
return val <= m_limit ? m_ret : val;
}
private:
const T m_limit;
const T m_ret;
};
template <typename T>
LowerLimited<T> lowerLimited(T limit) { return LowerLimited<T>(limit); }
template <typename T>
LowerLimited<T> lowerLimited(T limit, T ret) { return LowerLimited<T>(limit, ret); }
template <typename T>
auto clampValue(const T lower, const T upper)
{
return [lower, upper](const T value) -> T
{
if (value < lower)
return lower;
if (value > upper)
return upper;
return value;
};
}
#ifdef Q_OS_WIN
QString convertIfaceNameToGuid(const QString &name)
{
// Under Windows XP or on Qt version <= 5.5 'name' will be a GUID already.
const QUuid uuid(name);
if (!uuid.isNull())
return uuid.toString().toUpper(); // Libtorrent expects the GUID in uppercase
const std::wstring nameWStr = name.toStdWString();
NET_LUID luid {};
const LONG res = ::ConvertInterfaceNameToLuidW(nameWStr.c_str(), &luid);
if (res == 0)
{
GUID guid;
if (::ConvertInterfaceLuidToGuid(&luid, &guid) == 0)
return QUuid(guid).toString().toUpper();
}
return {};
}
#endif
constexpr lt::move_flags_t toNative(const MoveStorageMode mode)
{
switch (mode)
{
default:
Q_ASSERT(false);
case MoveStorageMode::FailIfExist:
return lt::move_flags_t::fail_if_exist;
case MoveStorageMode::KeepExistingFiles:
return lt::move_flags_t::dont_replace;
case MoveStorageMode::Overwrite:
return lt::move_flags_t::always_replace_files;
}
}
}
struct BitTorrent::SessionImpl::ResumeSessionContext final : public QObject
{
using QObject::QObject;
ResumeDataStorage *startupStorage = nullptr;
ResumeDataStorageType currentStorageType = ResumeDataStorageType::Legacy;
QList<LoadedResumeData> loadedResumeData;
int processingResumeDataCount = 0;
int64_t totalResumeDataCount = 0;
int64_t finishedResumeDataCount = 0;
bool isLoadFinished = false;
bool isLoadedResumeDataHandlingEnqueued = false;
QSet<QString> recoveredCategories;
#ifdef QBT_USES_LIBTORRENT2
QSet<TorrentID> indexedTorrents;
QSet<TorrentID> skippedIDs;
#endif
};
const int addTorrentParamsId = qRegisterMetaType<AddTorrentParams>();
Session *SessionImpl::m_instance = nullptr;
void Session::initInstance()
{
if (!SessionImpl::m_instance)
SessionImpl::m_instance = new SessionImpl;
}
void Session::freeInstance()
{
delete SessionImpl::m_instance;
SessionImpl::m_instance = nullptr;
}
Session *Session::instance()
{
return SessionImpl::m_instance;
}
bool Session::isValidCategoryName(const QString &name)
{
const QRegularExpression re {uR"(^([^\\\/]|[^\\\/]([^\\\/]|\/(?=[^\/]))*[^\\\/])$)"_qs};
return (name.isEmpty() || (name.indexOf(re) == 0));
}
bool Session::isValidTag(const QString &tag)
{
return (!tag.trimmed().isEmpty() && !tag.contains(u','));
}
QStringList Session::expandCategory(const QString &category)
{
QStringList result;
int index = 0;
while ((index = category.indexOf(u'/', index)) >= 0)
{
result << category.left(index);
++index;
}
result << category;
return result;
}
#define BITTORRENT_KEY(name) u"BitTorrent/" name
#define BITTORRENT_SESSION_KEY(name) BITTORRENT_KEY(u"Session/") name
SessionImpl::SessionImpl(QObject *parent)
: Session(parent)
, m_isDHTEnabled(BITTORRENT_SESSION_KEY(u"DHTEnabled"_qs), true)
, m_isLSDEnabled(BITTORRENT_SESSION_KEY(u"LSDEnabled"_qs), true)
, m_isPeXEnabled(BITTORRENT_SESSION_KEY(u"PeXEnabled"_qs), true)
, m_isIPFilteringEnabled(BITTORRENT_SESSION_KEY(u"IPFilteringEnabled"_qs), false)
, m_isTrackerFilteringEnabled(BITTORRENT_SESSION_KEY(u"TrackerFilteringEnabled"_qs), false)
, m_IPFilterFile(BITTORRENT_SESSION_KEY(u"IPFilter"_qs))
, m_announceToAllTrackers(BITTORRENT_SESSION_KEY(u"AnnounceToAllTrackers"_qs), false)
, m_announceToAllTiers(BITTORRENT_SESSION_KEY(u"AnnounceToAllTiers"_qs), true)
, m_asyncIOThreads(BITTORRENT_SESSION_KEY(u"AsyncIOThreadsCount"_qs), 10)
, m_hashingThreads(BITTORRENT_SESSION_KEY(u"HashingThreadsCount"_qs), 1)
, m_filePoolSize(BITTORRENT_SESSION_KEY(u"FilePoolSize"_qs), 500)
, m_checkingMemUsage(BITTORRENT_SESSION_KEY(u"CheckingMemUsageSize"_qs), 32)
, m_diskCacheSize(BITTORRENT_SESSION_KEY(u"DiskCacheSize"_qs), -1)
, m_diskCacheTTL(BITTORRENT_SESSION_KEY(u"DiskCacheTTL"_qs), 60)
, m_diskQueueSize(BITTORRENT_SESSION_KEY(u"DiskQueueSize"_qs), (1024 * 1024))
, m_diskIOType(BITTORRENT_SESSION_KEY(u"DiskIOType"_qs), DiskIOType::Default)
, m_diskIOReadMode(BITTORRENT_SESSION_KEY(u"DiskIOReadMode"_qs), DiskIOReadMode::EnableOSCache)
, m_diskIOWriteMode(BITTORRENT_SESSION_KEY(u"DiskIOWriteMode"_qs), DiskIOWriteMode::EnableOSCache)
#ifdef Q_OS_WIN
, m_coalesceReadWriteEnabled(BITTORRENT_SESSION_KEY(u"CoalesceReadWrite"_qs), true)
#else
, m_coalesceReadWriteEnabled(BITTORRENT_SESSION_KEY(u"CoalesceReadWrite"_qs), false)
#endif
, m_usePieceExtentAffinity(BITTORRENT_SESSION_KEY(u"PieceExtentAffinity"_qs), false)
, m_isSuggestMode(BITTORRENT_SESSION_KEY(u"SuggestMode"_qs), false)
, m_sendBufferWatermark(BITTORRENT_SESSION_KEY(u"SendBufferWatermark"_qs), 500)
, m_sendBufferLowWatermark(BITTORRENT_SESSION_KEY(u"SendBufferLowWatermark"_qs), 10)
, m_sendBufferWatermarkFactor(BITTORRENT_SESSION_KEY(u"SendBufferWatermarkFactor"_qs), 50)
, m_connectionSpeed(BITTORRENT_SESSION_KEY(u"ConnectionSpeed"_qs), 30)
, m_socketBacklogSize(BITTORRENT_SESSION_KEY(u"SocketBacklogSize"_qs), 30)
, m_isAnonymousModeEnabled(BITTORRENT_SESSION_KEY(u"AnonymousModeEnabled"_qs), false)
, m_isQueueingEnabled(BITTORRENT_SESSION_KEY(u"QueueingSystemEnabled"_qs), false)
, m_maxActiveDownloads(BITTORRENT_SESSION_KEY(u"MaxActiveDownloads"_qs), 3, lowerLimited(-1))
, m_maxActiveUploads(BITTORRENT_SESSION_KEY(u"MaxActiveUploads"_qs), 3, lowerLimited(-1))
, m_maxActiveTorrents(BITTORRENT_SESSION_KEY(u"MaxActiveTorrents"_qs), 5, lowerLimited(-1))
, m_ignoreSlowTorrentsForQueueing(BITTORRENT_SESSION_KEY(u"IgnoreSlowTorrentsForQueueing"_qs), false)
, m_downloadRateForSlowTorrents(BITTORRENT_SESSION_KEY(u"SlowTorrentsDownloadRate"_qs), 2)
, m_uploadRateForSlowTorrents(BITTORRENT_SESSION_KEY(u"SlowTorrentsUploadRate"_qs), 2)
, m_slowTorrentsInactivityTimer(BITTORRENT_SESSION_KEY(u"SlowTorrentsInactivityTimer"_qs), 60)
, m_outgoingPortsMin(BITTORRENT_SESSION_KEY(u"OutgoingPortsMin"_qs), 0)
, m_outgoingPortsMax(BITTORRENT_SESSION_KEY(u"OutgoingPortsMax"_qs), 0)
, m_UPnPLeaseDuration(BITTORRENT_SESSION_KEY(u"UPnPLeaseDuration"_qs), 0)
, m_peerToS(BITTORRENT_SESSION_KEY(u"PeerToS"_qs), 0x04)
, m_ignoreLimitsOnLAN(BITTORRENT_SESSION_KEY(u"IgnoreLimitsOnLAN"_qs), false)
, m_includeOverheadInLimits(BITTORRENT_SESSION_KEY(u"IncludeOverheadInLimits"_qs), false)
, m_announceIP(BITTORRENT_SESSION_KEY(u"AnnounceIP"_qs))
, m_maxConcurrentHTTPAnnounces(BITTORRENT_SESSION_KEY(u"MaxConcurrentHTTPAnnounces"_qs), 50)
, m_isReannounceWhenAddressChangedEnabled(BITTORRENT_SESSION_KEY(u"ReannounceWhenAddressChanged"_qs), false)
, m_stopTrackerTimeout(BITTORRENT_SESSION_KEY(u"StopTrackerTimeout"_qs), 5)
, m_maxConnections(BITTORRENT_SESSION_KEY(u"MaxConnections"_qs), 500, lowerLimited(0, -1))
, m_maxUploads(BITTORRENT_SESSION_KEY(u"MaxUploads"_qs), 20, lowerLimited(0, -1))
, m_maxConnectionsPerTorrent(BITTORRENT_SESSION_KEY(u"MaxConnectionsPerTorrent"_qs), 100, lowerLimited(0, -1))
, m_maxUploadsPerTorrent(BITTORRENT_SESSION_KEY(u"MaxUploadsPerTorrent"_qs), 4, lowerLimited(0, -1))
, m_btProtocol(BITTORRENT_SESSION_KEY(u"BTProtocol"_qs), BTProtocol::Both
, clampValue(BTProtocol::Both, BTProtocol::UTP))
, m_isUTPRateLimited(BITTORRENT_SESSION_KEY(u"uTPRateLimited"_qs), true)
, m_utpMixedMode(BITTORRENT_SESSION_KEY(u"uTPMixedMode"_qs), MixedModeAlgorithm::TCP
, clampValue(MixedModeAlgorithm::TCP, MixedModeAlgorithm::Proportional))
, m_IDNSupportEnabled(BITTORRENT_SESSION_KEY(u"IDNSupportEnabled"_qs), false)
, m_multiConnectionsPerIpEnabled(BITTORRENT_SESSION_KEY(u"MultiConnectionsPerIp"_qs), false)
, m_validateHTTPSTrackerCertificate(BITTORRENT_SESSION_KEY(u"ValidateHTTPSTrackerCertificate"_qs), true)
, m_SSRFMitigationEnabled(BITTORRENT_SESSION_KEY(u"SSRFMitigation"_qs), true)
, m_blockPeersOnPrivilegedPorts(BITTORRENT_SESSION_KEY(u"BlockPeersOnPrivilegedPorts"_qs), false)
, m_isAddTrackersEnabled(BITTORRENT_SESSION_KEY(u"AddTrackersEnabled"_qs), false)
, m_additionalTrackers(BITTORRENT_SESSION_KEY(u"AdditionalTrackers"_qs))
, m_globalMaxRatio(BITTORRENT_SESSION_KEY(u"GlobalMaxRatio"_qs), -1, [](qreal r) { return r < 0 ? -1. : r;})
, m_globalMaxSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxSeedingMinutes"_qs), -1, lowerLimited(-1))
, m_isAddTorrentToQueueTop(BITTORRENT_SESSION_KEY(u"AddTorrentToTopOfQueue"_qs), false)
, m_isAddTorrentPaused(BITTORRENT_SESSION_KEY(u"AddTorrentPaused"_qs), false)
, m_torrentStopCondition(BITTORRENT_SESSION_KEY(u"TorrentStopCondition"_qs), Torrent::StopCondition::None)
, m_torrentContentLayout(BITTORRENT_SESSION_KEY(u"TorrentContentLayout"_qs), TorrentContentLayout::Original)
, m_isAppendExtensionEnabled(BITTORRENT_SESSION_KEY(u"AddExtensionToIncompleteFiles"_qs), false)
, m_refreshInterval(BITTORRENT_SESSION_KEY(u"RefreshInterval"_qs), 1500)
, m_isPreallocationEnabled(BITTORRENT_SESSION_KEY(u"Preallocation"_qs), false)
, m_torrentExportDirectory(BITTORRENT_SESSION_KEY(u"TorrentExportDirectory"_qs))
, m_finishedTorrentExportDirectory(BITTORRENT_SESSION_KEY(u"FinishedTorrentExportDirectory"_qs))
, m_globalDownloadSpeedLimit(BITTORRENT_SESSION_KEY(u"GlobalDLSpeedLimit"_qs), 0, lowerLimited(0))
, m_globalUploadSpeedLimit(BITTORRENT_SESSION_KEY(u"GlobalUPSpeedLimit"_qs), 0, lowerLimited(0))
, m_altGlobalDownloadSpeedLimit(BITTORRENT_SESSION_KEY(u"AlternativeGlobalDLSpeedLimit"_qs), 10, lowerLimited(0))
, m_altGlobalUploadSpeedLimit(BITTORRENT_SESSION_KEY(u"AlternativeGlobalUPSpeedLimit"_qs), 10, lowerLimited(0))
, m_isAltGlobalSpeedLimitEnabled(BITTORRENT_SESSION_KEY(u"UseAlternativeGlobalSpeedLimit"_qs), false)
, m_isBandwidthSchedulerEnabled(BITTORRENT_SESSION_KEY(u"BandwidthSchedulerEnabled"_qs), false)
, m_isPerformanceWarningEnabled(BITTORRENT_SESSION_KEY(u"PerformanceWarning"_qs), false)
, m_saveResumeDataInterval(BITTORRENT_SESSION_KEY(u"SaveResumeDataInterval"_qs), 60)
, m_port(BITTORRENT_SESSION_KEY(u"Port"_qs), -1)
, m_networkInterface(BITTORRENT_SESSION_KEY(u"Interface"_qs))
, m_networkInterfaceName(BITTORRENT_SESSION_KEY(u"InterfaceName"_qs))
, m_networkInterfaceAddress(BITTORRENT_SESSION_KEY(u"InterfaceAddress"_qs))
, m_encryption(BITTORRENT_SESSION_KEY(u"Encryption"_qs), 0)
, m_maxActiveCheckingTorrents(BITTORRENT_SESSION_KEY(u"MaxActiveCheckingTorrents"_qs), 1)
, m_isProxyPeerConnectionsEnabled(BITTORRENT_SESSION_KEY(u"ProxyPeerConnections"_qs), false)
, m_chokingAlgorithm(BITTORRENT_SESSION_KEY(u"ChokingAlgorithm"_qs), ChokingAlgorithm::FixedSlots
, clampValue(ChokingAlgorithm::FixedSlots, ChokingAlgorithm::RateBased))
, m_seedChokingAlgorithm(BITTORRENT_SESSION_KEY(u"SeedChokingAlgorithm"_qs), SeedChokingAlgorithm::FastestUpload
, clampValue(SeedChokingAlgorithm::RoundRobin, SeedChokingAlgorithm::AntiLeech))
, m_storedTags(BITTORRENT_SESSION_KEY(u"Tags"_qs))
, m_maxRatioAction(BITTORRENT_SESSION_KEY(u"MaxRatioAction"_qs), Pause)
, m_savePath(BITTORRENT_SESSION_KEY(u"DefaultSavePath"_qs), specialFolderLocation(SpecialFolder::Downloads))
, m_downloadPath(BITTORRENT_SESSION_KEY(u"TempPath"_qs), (savePath() / Path(u"temp"_qs)))
, m_isDownloadPathEnabled(BITTORRENT_SESSION_KEY(u"TempPathEnabled"_qs), false)
, m_isSubcategoriesEnabled(BITTORRENT_SESSION_KEY(u"SubcategoriesEnabled"_qs), false)
, m_useCategoryPathsInManualMode(BITTORRENT_SESSION_KEY(u"UseCategoryPathsInManualMode"_qs), false)
, m_isAutoTMMDisabledByDefault(BITTORRENT_SESSION_KEY(u"DisableAutoTMMByDefault"_qs), true)
, m_isDisableAutoTMMWhenCategoryChanged(BITTORRENT_SESSION_KEY(u"DisableAutoTMMTriggers/CategoryChanged"_qs), false)
, m_isDisableAutoTMMWhenDefaultSavePathChanged(BITTORRENT_SESSION_KEY(u"DisableAutoTMMTriggers/DefaultSavePathChanged"_qs), true)
, m_isDisableAutoTMMWhenCategorySavePathChanged(BITTORRENT_SESSION_KEY(u"DisableAutoTMMTriggers/CategorySavePathChanged"_qs), true)
, m_isTrackerEnabled(BITTORRENT_KEY(u"TrackerEnabled"_qs), false)
, m_peerTurnover(BITTORRENT_SESSION_KEY(u"PeerTurnover"_qs), 4)
, m_peerTurnoverCutoff(BITTORRENT_SESSION_KEY(u"PeerTurnoverCutOff"_qs), 90)
, m_peerTurnoverInterval(BITTORRENT_SESSION_KEY(u"PeerTurnoverInterval"_qs), 300)
, m_requestQueueSize(BITTORRENT_SESSION_KEY(u"RequestQueueSize"_qs), 500)
, m_isExcludedFileNamesEnabled(BITTORRENT_KEY(u"ExcludedFileNamesEnabled"_qs), false)
, m_excludedFileNames(BITTORRENT_SESSION_KEY(u"ExcludedFileNames"_qs))
, m_bannedIPs(u"State/BannedIPs"_qs, QStringList(), Algorithm::sorted<QStringList>)
, m_resumeDataStorageType(BITTORRENT_SESSION_KEY(u"ResumeDataStorageType"_qs), ResumeDataStorageType::Legacy)
, m_isI2PEnabled {BITTORRENT_SESSION_KEY(u"I2P/Enabled"_qs), false}
, m_I2PAddress {BITTORRENT_SESSION_KEY(u"I2P/Address"_qs), u"127.0.0.1"_qs}
, m_I2PPort {BITTORRENT_SESSION_KEY(u"I2P/Port"_qs), 7656}
, m_I2PMixedMode {BITTORRENT_SESSION_KEY(u"I2P/MixedMode"_qs), false}
, m_seedingLimitTimer {new QTimer(this)}
, m_resumeDataTimer {new QTimer(this)}
, m_ioThread {new QThread}
, m_asyncWorker {new QThreadPool(this)}
, m_recentErroredTorrentsTimer {new QTimer(this)}
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
, m_networkManager {new QNetworkConfigurationManager(this)}
#endif
{
// It is required to perform async access to libtorrent sequentially
m_asyncWorker->setMaxThreadCount(1);
if (port() < 0)
m_port = Utils::Random::rand(1024, 65535);
m_recentErroredTorrentsTimer->setSingleShot(true);
m_recentErroredTorrentsTimer->setInterval(1s);
connect(m_recentErroredTorrentsTimer, &QTimer::timeout
, this, [this]() { m_recentErroredTorrents.clear(); });
m_seedingLimitTimer->setInterval(10s);
connect(m_seedingLimitTimer, &QTimer::timeout, this, &SessionImpl::processShareLimits);
initializeNativeSession();
configureComponents();
if (isBandwidthSchedulerEnabled())
enableBandwidthScheduler();
loadCategories();
if (isSubcategoriesEnabled())
{
// if subcategories support changed manually
m_categories = expandCategories(m_categories);
}
const QStringList storedTags = m_storedTags.get();
m_tags = {storedTags.cbegin(), storedTags.cend()};
updateSeedingLimitTimer();
populateAdditionalTrackers();
if (isExcludedFileNamesEnabled())
populateExcludedFileNamesRegExpList();
connect(Net::ProxyConfigurationManager::instance()
, &Net::ProxyConfigurationManager::proxyConfigurationChanged
, this, &SessionImpl::configureDeferred);
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
// Network configuration monitor
connect(m_networkManager, &QNetworkConfigurationManager::onlineStateChanged, this, &SessionImpl::networkOnlineStateChanged);
connect(m_networkManager, &QNetworkConfigurationManager::configurationAdded, this, &SessionImpl::networkConfigurationChange);
connect(m_networkManager, &QNetworkConfigurationManager::configurationRemoved, this, &SessionImpl::networkConfigurationChange);
connect(m_networkManager, &QNetworkConfigurationManager::configurationChanged, this, &SessionImpl::networkConfigurationChange);
#endif
m_fileSearcher = new FileSearcher;
m_fileSearcher->moveToThread(m_ioThread.get());
connect(m_ioThread.get(), &QThread::finished, m_fileSearcher, &QObject::deleteLater);
connect(m_fileSearcher, &FileSearcher::searchFinished, this, &SessionImpl::fileSearchFinished);
m_ioThread->start();
initMetrics();
loadStatistics();
// initialize PortForwarder instance
new PortForwarderImpl(this);
// start embedded tracker
enableTracker(isTrackerEnabled());
prepareStartup();
}
SessionImpl::~SessionImpl()
{
m_nativeSession->pause();
if (m_torrentsQueueChanged)
{
m_nativeSession->post_torrent_updates({});
m_torrentsQueueChanged = false;
m_needSaveTorrentsQueue = true;
}
// Do some bittorrent related saving
// After this, (ideally) no more important alerts will be generated/handled
saveResumeData();
saveStatistics();
// We must delete FilterParserThread
// before we delete lt::session
delete m_filterParser;
// We must delete PortForwarderImpl before
// we delete lt::session
delete Net::PortForwarder::instance();
// We must stop "async worker" only after deletion
// of all the components that could potentially use it
m_asyncWorker->clear();
m_asyncWorker->waitForDone();
qDebug("Deleting libtorrent session...");
delete m_nativeSession;
}
bool SessionImpl::isDHTEnabled() const
{
return m_isDHTEnabled;
}
void SessionImpl::setDHTEnabled(bool enabled)
{
if (enabled != m_isDHTEnabled)
{
m_isDHTEnabled = enabled;
configureDeferred();
LogMsg(tr("Distributed Hash Table (DHT) support: %1").arg(enabled ? tr("ON") : tr("OFF")), Log::INFO);
}
}
bool SessionImpl::isLSDEnabled() const
{
return m_isLSDEnabled;
}
void SessionImpl::setLSDEnabled(const bool enabled)
{
if (enabled != m_isLSDEnabled)
{
m_isLSDEnabled = enabled;
configureDeferred();
LogMsg(tr("Local Peer Discovery support: %1").arg(enabled ? tr("ON") : tr("OFF"))
, Log::INFO);
}
}
bool SessionImpl::isPeXEnabled() const
{
return m_isPeXEnabled;
}
void SessionImpl::setPeXEnabled(const bool enabled)
{
m_isPeXEnabled = enabled;
if (m_wasPexEnabled != enabled)
LogMsg(tr("Restart is required to toggle Peer Exchange (PeX) support"), Log::WARNING);
}
bool SessionImpl::isDownloadPathEnabled() const
{
return m_isDownloadPathEnabled;
}
void SessionImpl::setDownloadPathEnabled(const bool enabled)
{
if (enabled != isDownloadPathEnabled())
{
m_isDownloadPathEnabled = enabled;
for (TorrentImpl *const torrent : asConst(m_torrents))
torrent->handleCategoryOptionsChanged();
}
}
bool SessionImpl::isAppendExtensionEnabled() const
{
return m_isAppendExtensionEnabled;
}
void SessionImpl::setAppendExtensionEnabled(const bool enabled)
{
if (isAppendExtensionEnabled() != enabled)
{
m_isAppendExtensionEnabled = enabled;
// append or remove .!qB extension for incomplete files
for (TorrentImpl *const torrent : asConst(m_torrents))
torrent->handleAppendExtensionToggled();
}
}
int SessionImpl::refreshInterval() const
{
return m_refreshInterval;
}
void SessionImpl::setRefreshInterval(const int value)
{
if (value != refreshInterval())
{
m_refreshInterval = value;
}
}
bool SessionImpl::isPreallocationEnabled() const
{
return m_isPreallocationEnabled;
}
void SessionImpl::setPreallocationEnabled(const bool enabled)
{
m_isPreallocationEnabled = enabled;
}
Path SessionImpl::torrentExportDirectory() const
{
return m_torrentExportDirectory;
}
void SessionImpl::setTorrentExportDirectory(const Path &path)
{
if (path != torrentExportDirectory())
m_torrentExportDirectory = path;
}
Path SessionImpl::finishedTorrentExportDirectory() const
{
return m_finishedTorrentExportDirectory;
}
void SessionImpl::setFinishedTorrentExportDirectory(const Path &path)
{
if (path != finishedTorrentExportDirectory())
m_finishedTorrentExportDirectory = path;
}
Path SessionImpl::savePath() const
{
return m_savePath;
}
Path SessionImpl::downloadPath() const
{
return m_downloadPath;
}
QStringList SessionImpl::categories() const
{
return m_categories.keys();
}
CategoryOptions SessionImpl::categoryOptions(const QString &categoryName) const
{
return m_categories.value(categoryName);
}
Path SessionImpl::categorySavePath(const QString &categoryName) const
{
const Path basePath = savePath();
if (categoryName.isEmpty())
return basePath;
Path path = m_categories.value(categoryName).savePath;
if (path.isEmpty()) // use implicit save path
path = Utils::Fs::toValidPath(categoryName);
return (path.isAbsolute() ? path : (basePath / path));
}
Path SessionImpl::categoryDownloadPath(const QString &categoryName) const
{
const CategoryOptions categoryOptions = m_categories.value(categoryName);
const CategoryOptions::DownloadPathOption downloadPathOption =
categoryOptions.downloadPath.value_or(CategoryOptions::DownloadPathOption {isDownloadPathEnabled(), downloadPath()});
if (!downloadPathOption.enabled)
return {};
const Path basePath = downloadPath();
if (categoryName.isEmpty())
return basePath;
const Path path = (!downloadPathOption.path.isEmpty()
? downloadPathOption.path
: Utils::Fs::toValidPath(categoryName)); // use implicit download path
return (path.isAbsolute() ? path : (basePath / path));
}
bool SessionImpl::addCategory(const QString &name, const CategoryOptions &options)
{
if (name.isEmpty())
return false;
if (!isValidCategoryName(name) || m_categories.contains(name))
return false;
if (isSubcategoriesEnabled())
{
for (const QString &parent : asConst(expandCategory(name)))
{
if ((parent != name) && !m_categories.contains(parent))
{
m_categories[parent] = {};
emit categoryAdded(parent);
}
}
}
m_categories[name] = options;
storeCategories();
emit categoryAdded(name);
return true;
}
bool SessionImpl::editCategory(const QString &name, const CategoryOptions &options)
{
const auto it = m_categories.find(name);
if (it == m_categories.end())
return false;
CategoryOptions ¤tOptions = it.value();
if (options == currentOptions)
return false;
currentOptions = options;
storeCategories();
if (isDisableAutoTMMWhenCategorySavePathChanged())
{
for (TorrentImpl *const torrent : asConst(m_torrents))
{
if (torrent->category() == name)
torrent->setAutoTMMEnabled(false);
}
}
else
{
for (TorrentImpl *const torrent : asConst(m_torrents))
{
if (torrent->category() == name)
torrent->handleCategoryOptionsChanged();
}
}
emit categoryOptionsChanged(name);
return true;
}
bool SessionImpl::removeCategory(const QString &name)
{
for (TorrentImpl *const torrent : asConst(m_torrents))
{
if (torrent->belongsToCategory(name))
torrent->setCategory(u""_qs);
}
// remove stored category and its subcategories if exist
bool result = false;
if (isSubcategoriesEnabled())
{
// remove subcategories
const QString test = name + u'/';
Algorithm::removeIf(m_categories, [this, &test, &result](const QString &category, const CategoryOptions &)
{
if (category.startsWith(test))
{
result = true;
emit categoryRemoved(category);
return true;
}
return false;
});
}
result = (m_categories.remove(name) > 0) || result;
if (result)
{
// update stored categories
storeCategories();
emit categoryRemoved(name);
}
return result;
}
bool SessionImpl::isSubcategoriesEnabled() const
{
return m_isSubcategoriesEnabled;
}
void SessionImpl::setSubcategoriesEnabled(const bool value)
{
if (isSubcategoriesEnabled() == value) return;
if (value)
{
// expand categories to include all parent categories
m_categories = expandCategories(m_categories);
// update stored categories
storeCategories();
}
else
{
// reload categories
loadCategories();
}
m_isSubcategoriesEnabled = value;
emit subcategoriesSupportChanged();
}
bool SessionImpl::useCategoryPathsInManualMode() const
{
return m_useCategoryPathsInManualMode;
}
void SessionImpl::setUseCategoryPathsInManualMode(const bool value)
{
m_useCategoryPathsInManualMode = value;
}
QSet<QString> SessionImpl::tags() const
{
return m_tags;
}
bool SessionImpl::hasTag(const QString &tag) const
{
return m_tags.contains(tag);
}
bool SessionImpl::addTag(const QString &tag)
{
if (!isValidTag(tag) || hasTag(tag))
return false;
m_tags.insert(tag);
m_storedTags = m_tags.values();
emit tagAdded(tag);
return true;
}
bool SessionImpl::removeTag(const QString &tag)
{
if (m_tags.remove(tag))
{
for (TorrentImpl *const torrent : asConst(m_torrents))
torrent->removeTag(tag);
m_storedTags = m_tags.values();
emit tagRemoved(tag);
return true;
}
return false;
}
bool SessionImpl::isAutoTMMDisabledByDefault() const
{
return m_isAutoTMMDisabledByDefault;
}
void SessionImpl::setAutoTMMDisabledByDefault(const bool value)
{
m_isAutoTMMDisabledByDefault = value;
}
bool SessionImpl::isDisableAutoTMMWhenCategoryChanged() const
{
return m_isDisableAutoTMMWhenCategoryChanged;
}
void SessionImpl::setDisableAutoTMMWhenCategoryChanged(const bool value)
{
m_isDisableAutoTMMWhenCategoryChanged = value;
}
bool SessionImpl::isDisableAutoTMMWhenDefaultSavePathChanged() const
{
return m_isDisableAutoTMMWhenDefaultSavePathChanged;