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session.cpp
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session.cpp
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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2015 Vladimir Golovnev <[email protected]>
* Copyright (C) 2006 Christophe Dumez <[email protected]>
*
* 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 "session.h"
#include <QCoreApplication>
#include <QDateTime>
#include <QDebug>
#include <QDir>
#include <QHostAddress>
#include <QNetworkAddressEntry>
#include <QNetworkInterface>
#include <QProcess>
#include <QRegExp>
#include <QString>
#include <QThread>
#include <QTimer>
#include <cstdlib>
#include <queue>
#include <vector>
#include <libtorrent/alert_types.hpp>
#if LIBTORRENT_VERSION_NUM >= 10100
#include <libtorrent/bdecode.hpp>
#endif
#include <libtorrent/bencode.hpp>
#include <libtorrent/disk_io_thread.hpp>
#include <libtorrent/error_code.hpp>
#include <libtorrent/extensions/ut_metadata.hpp>
#include <libtorrent/extensions/ut_pex.hpp>
#include <libtorrent/extensions/smart_ban.hpp>
#include <libtorrent/identify_client.hpp>
#include <libtorrent/ip_filter.hpp>
#if LIBTORRENT_VERSION_NUM < 10100
#include <libtorrent/lazy_entry.hpp>
#endif
#include <libtorrent/magnet_uri.hpp>
#include <libtorrent/session.hpp>
#if LIBTORRENT_VERSION_NUM >= 10100
#include <libtorrent/session_stats.hpp>
#endif
#include <libtorrent/session_status.hpp>
#include <libtorrent/torrent_info.hpp>
#include "base/logger.h"
#include "base/profile.h"
#include "base/net/downloadhandler.h"
#include "base/net/downloadmanager.h"
#include "base/net/portforwarder.h"
#include "base/net/proxyconfigurationmanager.h"
#include "base/torrentfileguard.h"
#include "base/torrentfilter.h"
#include "base/unicodestrings.h"
#include "base/utils/net.h"
#include "base/utils/misc.h"
#include "base/utils/fs.h"
#include "base/utils/random.h"
#include "base/utils/string.h"
#include "magneturi.h"
#include "private/filterparserthread.h"
#include "private/statistics.h"
#include "private/bandwidthscheduler.h"
#include "private/resumedatasavingmanager.h"
#include "torrenthandle.h"
#include "tracker.h"
#include "trackerentry.h"
static const char PEER_ID[] = "qB";
static const char RESUME_FOLDER[] = "BT_backup";
static const char USER_AGENT[] = "qBittorrent/" QBT_VERSION_2;
namespace libt = libtorrent;
using namespace BitTorrent;
namespace
{
bool readFile(const QString &path, QByteArray &buf);
bool loadTorrentResumeData(const QByteArray &data, AddTorrentData &torrentData, int &prio, MagnetUri &magnetUri);
void torrentQueuePositionUp(const libt::torrent_handle &handle);
void torrentQueuePositionDown(const libt::torrent_handle &handle);
void torrentQueuePositionTop(const libt::torrent_handle &handle);
void torrentQueuePositionBottom(const libt::torrent_handle &handle);
inline SettingsStorage *settings() { return SettingsStorage::instance(); }
QStringMap map_cast(const QVariantMap &map)
{
QStringMap result;
foreach (const QString &key, map.keys())
result[key] = map.value(key).toString();
return result;
}
QVariantMap map_cast(const QStringMap &map)
{
QVariantMap result;
foreach (const QString &key, map.keys())
result[key] = map.value(key);
return result;
}
template <typename Entry>
QSet<QString> entryListToSetImpl(const Entry &entry)
{
Q_ASSERT(entry.type() == Entry::list_t);
QSet<QString> output;
for (int i = 0; i < entry.list_size(); ++i) {
const QString tag = QString::fromStdString(entry.list_string_value_at(i));
if (Session::isValidTag(tag))
output.insert(tag);
else
qWarning() << QString("Dropping invalid stored tag: %1").arg(tag);
}
return output;
}
#if LIBTORRENT_VERSION_NUM < 10100
bool isList(const libt::lazy_entry *entry)
{
return entry && (entry->type() == libt::lazy_entry::list_t);
}
QSet<QString> entryListToSet(const libt::lazy_entry *entry)
{
return entry ? entryListToSetImpl(*entry) : QSet<QString>();
}
#else
bool isList(const libt::bdecode_node &entry)
{
return entry.type() == libt::bdecode_node::list_t;
}
QSet<QString> entryListToSet(const libt::bdecode_node &entry)
{
return entryListToSetImpl(entry);
}
#endif
QString normalizePath(const QString &path)
{
QString tmp = Utils::Fs::fromNativePath(path.trimmed());
if (!tmp.isEmpty() && !tmp.endsWith('/'))
return tmp + '/';
return tmp;
}
QString normalizeSavePath(QString path, const QString &defaultPath = specialFolderLocation(SpecialFolder::Downloads))
{
path = path.trimmed();
if (path.isEmpty())
path = Utils::Fs::fromNativePath(defaultPath.trimmed());
return normalizePath(path);
}
QStringMap expandCategories(const QStringMap &categories)
{
QStringMap expanded = categories;
foreach (const QString &category, categories.keys()) {
foreach (const QString &subcat, Session::expandCategory(category)) {
if (!expanded.contains(subcat))
expanded[subcat] = "";
}
}
return expanded;
}
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); }
}
// Session
Session *Session::m_instance = nullptr;
#define BITTORRENT_KEY(name) "BitTorrent/" name
#define BITTORRENT_SESSION_KEY(name) BITTORRENT_KEY("Session/") name
Session::Session(QObject *parent)
: QObject(parent)
, m_deferredConfigureScheduled(false)
, m_IPFilteringChanged(false)
#if LIBTORRENT_VERSION_NUM >= 10100
, m_listenInterfaceChanged(true)
#endif
, m_isDHTEnabled(BITTORRENT_SESSION_KEY("DHTEnabled"), true)
, m_isLSDEnabled(BITTORRENT_SESSION_KEY("LSDEnabled"), true)
, m_isPeXEnabled(BITTORRENT_SESSION_KEY("PeXEnabled"), true)
, m_isIPFilteringEnabled(BITTORRENT_SESSION_KEY("IPFilteringEnabled"), false)
, m_isTrackerFilteringEnabled(BITTORRENT_SESSION_KEY("TrackerFilteringEnabled"), false)
, m_IPFilterFile(BITTORRENT_SESSION_KEY("IPFilter"))
, m_announceToAllTrackers(BITTORRENT_SESSION_KEY("AnnounceToAllTrackers"), true)
, m_diskCacheSize(BITTORRENT_SESSION_KEY("DiskCacheSize"), 0)
, m_diskCacheTTL(BITTORRENT_SESSION_KEY("DiskCacheTTL"), 60)
, m_useOSCache(BITTORRENT_SESSION_KEY("UseOSCache"), true)
, m_isAnonymousModeEnabled(BITTORRENT_SESSION_KEY("AnonymousModeEnabled"), false)
, m_isQueueingEnabled(BITTORRENT_SESSION_KEY("QueueingSystemEnabled"), true)
, m_maxActiveDownloads(BITTORRENT_SESSION_KEY("MaxActiveDownloads"), 3, lowerLimited(-1))
, m_maxActiveUploads(BITTORRENT_SESSION_KEY("MaxActiveUploads"), 3, lowerLimited(-1))
, m_maxActiveTorrents(BITTORRENT_SESSION_KEY("MaxActiveTorrents"), 5, lowerLimited(-1))
, m_ignoreSlowTorrentsForQueueing(BITTORRENT_SESSION_KEY("IgnoreSlowTorrentsForQueueing"), false)
, m_outgoingPortsMin(BITTORRENT_SESSION_KEY("OutgoingPortsMin"), 0)
, m_outgoingPortsMax(BITTORRENT_SESSION_KEY("OutgoingPortsMax"), 0)
, m_ignoreLimitsOnLAN(BITTORRENT_SESSION_KEY("IgnoreLimitsOnLAN"), true)
, m_includeOverheadInLimits(BITTORRENT_SESSION_KEY("IncludeOverheadInLimits"), false)
, m_announceIP(BITTORRENT_SESSION_KEY("AnnounceIP"))
, m_isSuperSeedingEnabled(BITTORRENT_SESSION_KEY("SuperSeedingEnabled"), false)
, m_maxConnections(BITTORRENT_SESSION_KEY("MaxConnections"), 500, lowerLimited(0, -1))
, m_maxHalfOpenConnections(BITTORRENT_SESSION_KEY("MaxHalfOpenConnections"), 20, lowerLimited(0, -1))
, m_maxUploads(BITTORRENT_SESSION_KEY("MaxUploads"), -1, lowerLimited(0, -1))
, m_maxConnectionsPerTorrent(BITTORRENT_SESSION_KEY("MaxConnectionsPerTorrent"), 100, lowerLimited(0, -1))
, m_maxUploadsPerTorrent(BITTORRENT_SESSION_KEY("MaxUploadsPerTorrent"), -1, lowerLimited(0, -1))
, m_isUTPEnabled(BITTORRENT_SESSION_KEY("uTPEnabled"), true)
, m_isUTPRateLimited(BITTORRENT_SESSION_KEY("uTPRateLimited"), true)
, m_isAddTrackersEnabled(BITTORRENT_SESSION_KEY("AddTrackersEnabled"), false)
, m_additionalTrackers(BITTORRENT_SESSION_KEY("AdditionalTrackers"))
, m_globalMaxRatio(BITTORRENT_SESSION_KEY("GlobalMaxRatio"), -1, [](qreal r) { return r < 0 ? -1. : r;})
, m_globalMaxSeedingMinutes(BITTORRENT_SESSION_KEY("GlobalMaxSeedingMinutes"), -1, lowerLimited(-1))
, m_isAddTorrentPaused(BITTORRENT_SESSION_KEY("AddTorrentPaused"), false)
, m_isCreateTorrentSubfolder(BITTORRENT_SESSION_KEY("CreateTorrentSubfolder"), true)
, m_isAppendExtensionEnabled(BITTORRENT_SESSION_KEY("AddExtensionToIncompleteFiles"), false)
, m_refreshInterval(BITTORRENT_SESSION_KEY("RefreshInterval"), 1500)
, m_isPreallocationEnabled(BITTORRENT_SESSION_KEY("Preallocation"), false)
, m_torrentExportDirectory(BITTORRENT_SESSION_KEY("TorrentExportDirectory"))
, m_finishedTorrentExportDirectory(BITTORRENT_SESSION_KEY("FinishedTorrentExportDirectory"))
, m_globalDownloadSpeedLimit(BITTORRENT_SESSION_KEY("GlobalDLSpeedLimit"), 0, lowerLimited(0))
, m_globalUploadSpeedLimit(BITTORRENT_SESSION_KEY("GlobalUPSpeedLimit"), 0, lowerLimited(0))
, m_altGlobalDownloadSpeedLimit(BITTORRENT_SESSION_KEY("AlternativeGlobalDLSpeedLimit"), 10, lowerLimited(0))
, m_altGlobalUploadSpeedLimit(BITTORRENT_SESSION_KEY("AlternativeGlobalUPSpeedLimit"), 10, lowerLimited(0))
, m_isAltGlobalSpeedLimitEnabled(BITTORRENT_SESSION_KEY("UseAlternativeGlobalSpeedLimit"), false)
, m_isBandwidthSchedulerEnabled(BITTORRENT_SESSION_KEY("BandwidthSchedulerEnabled"), false)
, m_saveResumeDataInterval(BITTORRENT_SESSION_KEY("SaveResumeDataInterval"), 3)
, m_port(BITTORRENT_SESSION_KEY("Port"), 8999)
, m_useRandomPort(BITTORRENT_SESSION_KEY("UseRandomPort"), false)
, m_networkInterface(BITTORRENT_SESSION_KEY("Interface"))
, m_networkInterfaceName(BITTORRENT_SESSION_KEY("InterfaceName"))
, m_networkInterfaceAddress(BITTORRENT_SESSION_KEY("InterfaceAddress"))
, m_isIPv6Enabled(BITTORRENT_SESSION_KEY("IPv6Enabled"), false)
, m_encryption(BITTORRENT_SESSION_KEY("Encryption"), 0)
, m_isForceProxyEnabled(BITTORRENT_SESSION_KEY("ForceProxy"), true)
, m_isProxyPeerConnectionsEnabled(BITTORRENT_SESSION_KEY("ProxyPeerConnections"), false)
, m_storedCategories(BITTORRENT_SESSION_KEY("Categories"))
, m_storedTags(BITTORRENT_SESSION_KEY("Tags"))
, m_maxRatioAction(BITTORRENT_SESSION_KEY("MaxRatioAction"), Pause)
, m_defaultSavePath(BITTORRENT_SESSION_KEY("DefaultSavePath"), specialFolderLocation(SpecialFolder::Downloads), normalizePath)
, m_tempPath(BITTORRENT_SESSION_KEY("TempPath"), defaultSavePath() + "temp/", normalizePath)
, m_isSubcategoriesEnabled(BITTORRENT_SESSION_KEY("SubcategoriesEnabled"), false)
, m_isTempPathEnabled(BITTORRENT_SESSION_KEY("TempPathEnabled"), false)
, m_isAutoTMMDisabledByDefault(BITTORRENT_SESSION_KEY("DisableAutoTMMByDefault"), true)
, m_isDisableAutoTMMWhenCategoryChanged(BITTORRENT_SESSION_KEY("DisableAutoTMMTriggers/CategoryChanged"), false)
, m_isDisableAutoTMMWhenDefaultSavePathChanged(BITTORRENT_SESSION_KEY("DisableAutoTMMTriggers/DefaultSavePathChanged"), true)
, m_isDisableAutoTMMWhenCategorySavePathChanged(BITTORRENT_SESSION_KEY("DisableAutoTMMTriggers/CategorySavePathChanged"), true)
, m_isTrackerEnabled(BITTORRENT_KEY("TrackerEnabled"), false)
, m_bannedIPs("State/BannedIPs"
, QStringList()
, [](const QStringList &value)
{
QStringList tmp = value;
tmp.sort();
return tmp;
}
)
, m_wasPexEnabled(m_isPeXEnabled)
, m_numResumeData(0)
, m_extraLimit(0)
, m_useProxy(false)
{
Logger* const logger = Logger::instance();
initResumeFolder();
m_seedingLimitTimer = new QTimer(this);
m_seedingLimitTimer->setInterval(10000);
connect(m_seedingLimitTimer, SIGNAL(timeout()), SLOT(processShareLimits()));
// Set severity level of libtorrent session
int alertMask = libt::alert::error_notification
| libt::alert::peer_notification
| libt::alert::port_mapping_notification
| libt::alert::storage_notification
| libt::alert::tracker_notification
| libt::alert::status_notification
| libt::alert::ip_block_notification
| libt::alert::progress_notification
| libt::alert::stats_notification
;
#if LIBTORRENT_VERSION_NUM < 10100
libt::fingerprint fingerprint(PEER_ID, QBT_VERSION_MAJOR, QBT_VERSION_MINOR, QBT_VERSION_BUGFIX, QBT_VERSION_BUILD);
std::string peerId = fingerprint.to_string();
const ushort port = this->port();
std::pair<int, int> ports(port, port);
const QString ip = getListeningIPs().first();
m_nativeSession = new libt::session(fingerprint, ports, ip.isEmpty() ? 0 : ip.toLatin1().constData(), 0, alertMask);
libt::session_settings sessionSettings = m_nativeSession->settings();
sessionSettings.user_agent = USER_AGENT;
sessionSettings.upnp_ignore_nonrouters = true;
sessionSettings.use_dht_as_fallback = false;
// Disable support for SSL torrents for now
sessionSettings.ssl_listen = 0;
// To prevent ISPs from blocking seeding
sessionSettings.lazy_bitfields = true;
// Speed up exit
sessionSettings.stop_tracker_timeout = 1;
sessionSettings.auto_scrape_interval = 1200; // 20 minutes
sessionSettings.auto_scrape_min_interval = 900; // 15 minutes
sessionSettings.connection_speed = 20; // default is 10
sessionSettings.no_connect_privileged_ports = false;
sessionSettings.seed_choking_algorithm = libt::session_settings::fastest_upload;
configure(sessionSettings);
m_nativeSession->set_settings(sessionSettings);
configureListeningInterface();
m_nativeSession->set_alert_dispatch([this](std::auto_ptr<libt::alert> alertPtr)
{
dispatchAlerts(alertPtr.release());
});
#else
std::string peerId = libt::generate_fingerprint(PEER_ID, QBT_VERSION_MAJOR, QBT_VERSION_MINOR, QBT_VERSION_BUGFIX, QBT_VERSION_BUILD);
libt::settings_pack pack;
pack.set_int(libt::settings_pack::alert_mask, alertMask);
pack.set_str(libt::settings_pack::peer_fingerprint, peerId);
pack.set_bool(libt::settings_pack::listen_system_port_fallback, false);
pack.set_str(libt::settings_pack::user_agent, USER_AGENT);
pack.set_bool(libt::settings_pack::upnp_ignore_nonrouters, true);
pack.set_bool(libt::settings_pack::use_dht_as_fallback, false);
// Disable support for SSL torrents for now
pack.set_int(libt::settings_pack::ssl_listen, 0);
// To prevent ISPs from blocking seeding
pack.set_bool(libt::settings_pack::lazy_bitfields, true);
// Speed up exit
pack.set_int(libt::settings_pack::stop_tracker_timeout, 1);
pack.set_int(libt::settings_pack::auto_scrape_interval, 1200); // 20 minutes
pack.set_int(libt::settings_pack::auto_scrape_min_interval, 900); // 15 minutes
pack.set_int(libt::settings_pack::connection_speed, 20); // default is 10
pack.set_bool(libt::settings_pack::no_connect_privileged_ports, false);
pack.set_int(libt::settings_pack::seed_choking_algorithm, libt::settings_pack::fastest_upload);
configure(pack);
m_nativeSession = new libt::session(pack, 0);
m_nativeSession->set_alert_notify([this]()
{
QMetaObject::invokeMethod(this, "readAlerts", Qt::QueuedConnection);
});
configurePeerClasses();
#endif
// Enabling plugins
//m_nativeSession->add_extension(&libt::create_metadata_plugin);
m_nativeSession->add_extension(&libt::create_ut_metadata_plugin);
if (isPeXEnabled())
m_nativeSession->add_extension(&libt::create_ut_pex_plugin);
m_nativeSession->add_extension(&libt::create_smart_ban_plugin);
logger->addMessage(tr("Peer ID: ") + QString::fromStdString(peerId));
logger->addMessage(tr("HTTP User-Agent is '%1'").arg(USER_AGENT));
logger->addMessage(tr("DHT support [%1]").arg(isDHTEnabled() ? tr("ON") : tr("OFF")), Log::INFO);
logger->addMessage(tr("Local Peer Discovery support [%1]").arg(isLSDEnabled() ? tr("ON") : tr("OFF")), Log::INFO);
logger->addMessage(tr("PeX support [%1]").arg(isPeXEnabled() ? tr("ON") : tr("OFF")), Log::INFO);
logger->addMessage(tr("Anonymous mode [%1]").arg(isAnonymousModeEnabled() ? tr("ON") : tr("OFF")), Log::INFO);
logger->addMessage(tr("Encryption support [%1]")
.arg(encryption() == 0 ? tr("ON") : encryption() == 1 ? tr("FORCED") : tr("OFF"))
, Log::INFO);
if (isIPFilteringEnabled()) {
// Manually banned IPs are handled in that function too(in the slots)
enableIPFilter();
}
else {
// Add the banned IPs
libt::ip_filter filter;
processBannedIPs(filter);
m_nativeSession->set_ip_filter(filter);
}
m_categories = map_cast(m_storedCategories);
if (isSubcategoriesEnabled()) {
// if subcategories support changed manually
m_categories = expandCategories(m_categories);
m_storedCategories = map_cast(m_categories);
}
m_tags = QSet<QString>::fromList(m_storedTags.value());
m_refreshTimer = new QTimer(this);
m_refreshTimer->setInterval(refreshInterval());
connect(m_refreshTimer, SIGNAL(timeout()), SLOT(refresh()));
m_refreshTimer->start();
// Regular saving of fastresume data
m_resumeDataTimer = new QTimer(this);
m_resumeDataTimer->setInterval(saveResumeDataInterval() * 60 * 1000);
connect(m_resumeDataTimer, SIGNAL(timeout()), SLOT(generateResumeData()));
m_statistics = new Statistics(this);
updateSeedingLimitTimer();
populateAdditionalTrackers();
enableTracker(isTrackerEnabled());
connect(Net::ProxyConfigurationManager::instance(), SIGNAL(proxyConfigurationChanged()), SLOT(configureDeferred()));
// Network configuration monitor
connect(&m_networkManager, SIGNAL(onlineStateChanged(bool)), SLOT(networkOnlineStateChanged(bool)));
connect(&m_networkManager, SIGNAL(configurationAdded(const QNetworkConfiguration&)), SLOT(networkConfigurationChange(const QNetworkConfiguration&)));
connect(&m_networkManager, SIGNAL(configurationRemoved(const QNetworkConfiguration&)), SLOT(networkConfigurationChange(const QNetworkConfiguration&)));
connect(&m_networkManager, SIGNAL(configurationChanged(const QNetworkConfiguration&)), SLOT(networkConfigurationChange(const QNetworkConfiguration&)));
m_ioThread = new QThread(this);
m_resumeDataSavingManager = new ResumeDataSavingManager(m_resumeFolderPath);
m_resumeDataSavingManager->moveToThread(m_ioThread);
connect(m_ioThread, SIGNAL(finished()), m_resumeDataSavingManager, SLOT(deleteLater()));
m_ioThread->start();
m_resumeDataTimer->start();
// initialize PortForwarder instance
Net::PortForwarder::initInstance(m_nativeSession);
#if LIBTORRENT_VERSION_NUM >= 10100
initMetrics();
m_statsUpdateTimer.start();
#endif
qDebug("* BitTorrent Session constructed");
}
bool Session::isDHTEnabled() const
{
return m_isDHTEnabled;
}
void Session::setDHTEnabled(bool enabled)
{
if (enabled != m_isDHTEnabled) {
m_isDHTEnabled = enabled;
configureDeferred();
Logger::instance()->addMessage(
tr("DHT support [%1]").arg(enabled ? tr("ON") : tr("OFF")), Log::INFO);
}
}
bool Session::isLSDEnabled() const
{
return m_isLSDEnabled;
}
void Session::setLSDEnabled(bool enabled)
{
if (enabled != m_isLSDEnabled) {
m_isLSDEnabled = enabled;
configureDeferred();
Logger::instance()->addMessage(
tr("Local Peer Discovery support [%1]").arg(enabled ? tr("ON") : tr("OFF"))
, Log::INFO);
}
}
bool Session::isPeXEnabled() const
{
return m_isPeXEnabled;
}
void Session::setPeXEnabled(bool enabled)
{
m_isPeXEnabled = enabled;
if (m_wasPexEnabled != enabled)
Logger::instance()->addMessage(tr("Restart is required to toggle PeX support"), Log::WARNING);
}
bool Session::isTempPathEnabled() const
{
return m_isTempPathEnabled;
}
void Session::setTempPathEnabled(bool enabled)
{
if (enabled != isTempPathEnabled()) {
m_isTempPathEnabled = enabled;
foreach (TorrentHandle *const torrent, m_torrents)
torrent->handleTempPathChanged();
}
}
bool Session::isAppendExtensionEnabled() const
{
return m_isAppendExtensionEnabled;
}
void Session::setAppendExtensionEnabled(bool enabled)
{
if (isAppendExtensionEnabled() != enabled) {
// append or remove .!qB extension for incomplete files
foreach (TorrentHandle *const torrent, m_torrents)
torrent->handleAppendExtensionToggled();
m_isAppendExtensionEnabled = enabled;
}
}
uint Session::refreshInterval() const
{
return m_refreshInterval;
}
void Session::setRefreshInterval(uint value)
{
if (value != refreshInterval()) {
m_refreshTimer->setInterval(value);
m_refreshInterval = value;
}
}
bool Session::isPreallocationEnabled() const
{
return m_isPreallocationEnabled;
}
void Session::setPreallocationEnabled(bool enabled)
{
m_isPreallocationEnabled = enabled;
}
QString Session::torrentExportDirectory() const
{
return Utils::Fs::fromNativePath(m_torrentExportDirectory);
}
void Session::setTorrentExportDirectory(QString path)
{
path = Utils::Fs::fromNativePath(path);
if (path != torrentExportDirectory())
m_torrentExportDirectory = path;
}
QString Session::finishedTorrentExportDirectory() const
{
return Utils::Fs::fromNativePath(m_finishedTorrentExportDirectory);
}
void Session::setFinishedTorrentExportDirectory(QString path)
{
path = Utils::Fs::fromNativePath(path);
if (path != finishedTorrentExportDirectory())
m_finishedTorrentExportDirectory = path;
}
QString Session::defaultSavePath() const
{
return Utils::Fs::fromNativePath(m_defaultSavePath);
}
QString Session::tempPath() const
{
return Utils::Fs::fromNativePath(m_tempPath);
}
QString Session::torrentTempPath(const InfoHash &hash) const
{
return tempPath()
+ static_cast<QString>(hash).left(7)
+ "/";
}
bool Session::isValidCategoryName(const QString &name)
{
QRegExp re(R"(^([^\\\/]|[^\\\/]([^\\\/]|\/(?=[^\/]))*[^\\\/])$)");
if (!name.isEmpty() && (re.indexIn(name) != 0)) {
qDebug() << "Incorrect category name:" << name;
return false;
}
return true;
}
QStringList Session::expandCategory(const QString &category)
{
QStringList result;
if (!isValidCategoryName(category))
return result;
int index = 0;
while ((index = category.indexOf('/', index)) >= 0) {
result << category.left(index);
++index;
}
result << category;
return result;
}
QStringList Session::categories() const
{
return m_categories.keys();
}
QString Session::categorySavePath(const QString &categoryName) const
{
QString basePath = m_defaultSavePath;
if (categoryName.isEmpty()) return basePath;
QString path = m_categories.value(categoryName);
if (path.isEmpty()) // use implicit save path
path = Utils::Fs::toValidFileSystemName(categoryName, true);
if (!QDir::isAbsolutePath(path))
path.prepend(basePath);
return normalizeSavePath(path);
}
bool Session::addCategory(const QString &name, const QString &savePath)
{
if (name.isEmpty()) return false;
if (!isValidCategoryName(name) || m_categories.contains(name))
return false;
if (isSubcategoriesEnabled()) {
foreach (const QString &parent, expandCategory(name)) {
if ((parent != name) && !m_categories.contains(parent)) {
m_categories[parent] = "";
emit categoryAdded(parent);
}
}
}
m_categories[name] = savePath;
m_storedCategories = map_cast(m_categories);
emit categoryAdded(name);
return true;
}
bool Session::editCategory(const QString &name, const QString &savePath)
{
if (!m_categories.contains(name)) return false;
if (categorySavePath(name) == savePath) return false;
m_categories[name] = savePath;
if (isDisableAutoTMMWhenCategorySavePathChanged()) {
foreach (TorrentHandle *const torrent, torrents())
if (torrent->category() == name)
torrent->setAutoTMMEnabled(false);
}
else {
foreach (TorrentHandle *const torrent, torrents())
if (torrent->category() == name)
torrent->handleCategorySavePathChanged();
}
return true;
}
bool Session::removeCategory(const QString &name)
{
foreach (TorrentHandle *const torrent, torrents())
if (torrent->belongsToCategory(name))
torrent->setCategory("");
// remove stored category and its subcategories if exist
bool result = false;
if (isSubcategoriesEnabled()) {
// remove subcategories
QString test = name + "/";
foreach (const QString &category, m_categories.keys()) {
if (category.startsWith(test)) {
m_categories.remove(category);
result = true;
emit categoryRemoved(category);
}
}
}
result = (m_categories.remove(name) > 0) || result;
if (result) {
// update stored categories
m_storedCategories = map_cast(m_categories);
emit categoryRemoved(name);
}
return result;
}
bool Session::isSubcategoriesEnabled() const
{
return m_isSubcategoriesEnabled;
}
void Session::setSubcategoriesEnabled(bool value)
{
if (isSubcategoriesEnabled() == value) return;
if (value) {
// expand categories to include all parent categories
m_categories = expandCategories(m_categories);
// update stored categories
m_storedCategories = map_cast(m_categories);
}
else {
// reload categories
m_categories = map_cast(m_storedCategories);
}
m_isSubcategoriesEnabled = value;
emit subcategoriesSupportChanged();
}
QSet<QString> Session::tags() const
{
return m_tags;
}
bool Session::isValidTag(const QString &tag)
{
return (!tag.trimmed().isEmpty() && !tag.contains(','));
}
bool Session::hasTag(const QString &tag) const
{
return m_tags.contains(tag);
}
bool Session::addTag(const QString &tag)
{
if (!isValidTag(tag))
return false;
if (!hasTag(tag)) {
m_tags.insert(tag);
m_storedTags = m_tags.toList();
emit tagAdded(tag);
return true;
}
return false;
}
bool Session::removeTag(const QString &tag)
{
if (m_tags.remove(tag)) {
foreach (TorrentHandle *const torrent, torrents())
torrent->removeTag(tag);
m_storedTags = m_tags.toList();
emit tagRemoved(tag);
return true;
}
return false;
}
bool Session::isAutoTMMDisabledByDefault() const
{
return m_isAutoTMMDisabledByDefault;
}
void Session::setAutoTMMDisabledByDefault(bool value)
{
m_isAutoTMMDisabledByDefault = value;
}
bool Session::isDisableAutoTMMWhenCategoryChanged() const
{
return m_isDisableAutoTMMWhenCategoryChanged;
}
void Session::setDisableAutoTMMWhenCategoryChanged(bool value)
{
m_isDisableAutoTMMWhenCategoryChanged = value;
}
bool Session::isDisableAutoTMMWhenDefaultSavePathChanged() const
{
return m_isDisableAutoTMMWhenDefaultSavePathChanged;
}
void Session::setDisableAutoTMMWhenDefaultSavePathChanged(bool value)
{
m_isDisableAutoTMMWhenDefaultSavePathChanged = value;
}
bool Session::isDisableAutoTMMWhenCategorySavePathChanged() const
{
return m_isDisableAutoTMMWhenCategorySavePathChanged;
}
void Session::setDisableAutoTMMWhenCategorySavePathChanged(bool value)
{
m_isDisableAutoTMMWhenCategorySavePathChanged = value;
}
bool Session::isAddTorrentPaused() const
{
return m_isAddTorrentPaused;
}
void Session::setAddTorrentPaused(bool value)
{
m_isAddTorrentPaused = value;
}
bool Session::isTrackerEnabled() const
{
return m_isTrackerEnabled;
}
void Session::setTrackerEnabled(bool enabled)
{
if (isTrackerEnabled() != enabled) {
enableTracker(enabled);
m_isTrackerEnabled = enabled;
}
}
qreal Session::globalMaxRatio() const
{
return m_globalMaxRatio;
}
// Torrents will a ratio superior to the given value will
// be automatically deleted
void Session::setGlobalMaxRatio(qreal ratio)
{
if (ratio < 0)
ratio = -1.;
if (ratio != globalMaxRatio()) {
m_globalMaxRatio = ratio;
updateSeedingLimitTimer();
}
}
int Session::globalMaxSeedingMinutes() const
{
return m_globalMaxSeedingMinutes;
}
void Session::setGlobalMaxSeedingMinutes(int minutes)
{
if (minutes < 0)
minutes = -1;
if (minutes != globalMaxSeedingMinutes()) {
m_globalMaxSeedingMinutes = minutes;
updateSeedingLimitTimer();
}
}
// Main destructor
Session::~Session()
{
// Do some BT related saving
saveResumeData();
// We must delete FilterParserThread
// before we delete libtorrent::session
if (m_filterParser)
delete m_filterParser;
// We must delete PortForwarderImpl before
// we delete libtorrent::session
Net::PortForwarder::freeInstance();
qDebug("Deleting the session");
delete m_nativeSession;
m_ioThread->quit();
m_ioThread->wait();
m_resumeFolderLock.close();
m_resumeFolderLock.remove();
}
void Session::initInstance()
{
if (!m_instance) {
m_instance = new Session;
// BandwidthScheduler::start() depends on Session being fully constructed
if (m_instance->isBandwidthSchedulerEnabled())
m_instance->enableBandwidthScheduler();
}
}
void Session::freeInstance()
{
if (m_instance) {
delete m_instance;
m_instance = 0;
}
}
Session *Session::instance()
{
return m_instance;
}
void Session::adjustLimits()
{
if (isQueueingSystemEnabled()) {
#if LIBTORRENT_VERSION_NUM < 10100
libt::session_settings sessionSettings(m_nativeSession->settings());
adjustLimits(sessionSettings);
m_nativeSession->set_settings(sessionSettings);
#else
libt::settings_pack settingsPack = m_nativeSession->get_settings();
adjustLimits(settingsPack);
m_nativeSession->apply_settings(settingsPack);
#endif
}
}
// Set BitTorrent session configuration
void Session::configure()
{
qDebug("Configuring session");
#if LIBTORRENT_VERSION_NUM < 10100
libt::session_settings sessionSettings = m_nativeSession->settings();
configure(sessionSettings);
m_nativeSession->set_settings(sessionSettings);
#else
libt::settings_pack settingsPack = m_nativeSession->get_settings();
configure(settingsPack);
m_nativeSession->apply_settings(settingsPack);
configurePeerClasses();
#endif
if (m_IPFilteringChanged) {
if (isIPFilteringEnabled())
enableIPFilter();
else
disableIPFilter();
m_IPFilteringChanged = false;
}
m_deferredConfigureScheduled = false;
qDebug("Session configured");
}
void Session::processBannedIPs(libt::ip_filter &filter)
{
// First, import current filter
foreach (const QString &ip, m_bannedIPs.value()) {
boost::system::error_code ec;