Drop support for libtorrent v0.14.x

INSTALL

@@ -14,7 +14,7 @@ qBittorrent - A BitTorrent client in C++ / Qt4
 
     - pkg-config executable
 
-    - libtorrent-rasterbar by Arvid Norberg (>= 0.14.4 REQUIRED, compatible with v0.15.x/v0.16.x)
+    - libtorrent-rasterbar by Arvid Norberg (>= 0.15.0)
         -> http://www.libtorrent.net
         Be careful: another library (the one used by rTorrent) uses a similar name.
 
@@ -44,7 +44,7 @@ qBittorrent - A BitTorrent client in C++ / Qt4
 
     - pkg-config executable
 
-    - libtorrent-rasterbar by Arvid Norberg (>= 0.14.4 REQUIRED, >= v0.15.0 ADVISED)
+    - libtorrent-rasterbar by Arvid Norberg (>= v0.15.0)
         -> http://www.libtorrent.net
         Be careful: another library (the one used by rTorrent) uses a similar name.
 

configure

@@ -419,11 +419,11 @@ class qc_libtorrent_rasterbar : public ConfObj
 {
 public:
 	qc_libtorrent_rasterbar(Conf *c) : ConfObj(c) {}
-	QString name() const { return "libtorrent-rasterbar >= 0.14.4"; }
+	QString name() const { return "libtorrent-rasterbar >= 0.15.0"; }
 	QString shortname() const { return "libtorrent-rasterbar"; }
 	bool exec(){
 		QStringList incs;
-		QString req_ver = "0.14.4";
+		QString req_ver = "0.15.0";
 		QString version, libs, other;
 		VersionMode mode = VersionMin;
 		if(!conf->findPkgConfig("libtorrent-rasterbar", mode, req_ver, &version, &incs, &libs, &other))

qcm/libtorrent-rasterbar.qcm

@@ -8,11 +8,11 @@ class qc_libtorrent_rasterbar : public ConfObj
 {
 public:
 	qc_libtorrent_rasterbar(Conf *c) : ConfObj(c) {}
-	QString name() const { return "libtorrent-rasterbar >= 0.14.4"; }
+	QString name() const { return "libtorrent-rasterbar >= 0.15.0"; }
 	QString shortname() const { return "libtorrent-rasterbar"; }
 	bool exec(){
 		QStringList incs;
-		QString req_ver = "0.14.4";
+		QString req_ver = "0.15.0";
 		QString version, libs, other;
 		VersionMode mode = VersionMin;
 		if(!conf->findPkgConfig("libtorrent-rasterbar", mode, req_ver, &version, &incs, &libs, &other))

src/preferences/advancedsettings.h

@@ -21,9 +21,7 @@ enum AdvSettingsRows {DISK_CACHE, OUTGOING_PORT_MIN, OUTGOING_PORT_MAX, IGNORE_L
                       USE_ICON_THEME,
                     #endif
                       CONFIRM_DELETE_TORRENT, TRACKER_EXCHANGE,
-                    #if LIBTORRENT_VERSION_MINOR > 14
                       ANNOUNCE_ALL_TRACKERS,
-                    #endif
                       ROW_COUNT};
 
 class AdvancedSettings: public QTableWidget {
@@ -41,9 +39,7 @@ private:
 #if defined(Q_WS_X11) && (QT_VERSION >= QT_VERSION_CHECK(4,6,0))
   QCheckBox cb_use_icon_theme;
 #endif
-#if LIBTORRENT_VERSION_MINOR > 14
   QCheckBox cb_announce_all_trackers;
-#endif
   QLineEdit txt_network_address;
 
 public:
@@ -85,10 +81,8 @@ public slots:
     pref.resolvePeerHostNames(cb_resolve_hosts.isChecked());
     // Max Half-Open connections
     pref.setMaxHalfOpenConnections(spin_maxhalfopen.value());
-#if LIBTORRENT_VERSION_MINOR > 14
     // Super seeding
     pref.enableSuperSeeding(cb_super_seeding.isChecked());
-#endif
     // Network interface
     if(combo_iface.currentIndex() == 0) {
       // All interfaces (default)
@@ -117,9 +111,7 @@ public slots:
     pref.setConfirmTorrentDeletion(cb_confirm_torrent_deletion.isChecked());
     // Tracker exchange
     pref.setTrackerExchangeEnabled(cb_enable_tracker_ext.isChecked());
-#if LIBTORRENT_VERSION_MINOR > 14
     pref.setAnnounceToAllTrackers(cb_announce_all_trackers.isChecked());
-#endif
   }
 
 signals:
@@ -201,11 +193,7 @@ private slots:
     spin_maxhalfopen.setValue(pref.getMaxHalfOpenConnections());
     setRow(MAX_HALF_OPEN, tr("Maximum number of half-open connections [0: Disabled]"), &spin_maxhalfopen);
     // Super seeding
-#if LIBTORRENT_VERSION_MINOR > 14
     cb_super_seeding.setChecked(pref.isSuperSeedingEnabled());
-#else
-    cb_super_seeding.setEnabled(false);
-#endif
     setRow(SUPER_SEEDING, tr("Strict super seeding"), &cb_super_seeding);
     // Network interface
     combo_iface.addItem(tr("Any interface", "i.e. Any network interface"));
@@ -247,11 +235,9 @@ private slots:
     // Tracker exchange
     cb_enable_tracker_ext.setChecked(pref.trackerExchangeEnabled());
     setRow(TRACKER_EXCHANGE, tr("Exchange trackers with other peers"), &cb_enable_tracker_ext);
-#if LIBTORRENT_VERSION_MINOR > 14
     // Announce to all trackers
     cb_announce_all_trackers.setChecked(pref.announceToAllTrackers());
     setRow(ANNOUNCE_ALL_TRACKERS, tr("Always announce to all trackers"), &cb_announce_all_trackers);
-#endif
   }
 
 };

src/preferences/options_imp.cpp

@@ -246,9 +246,6 @@ options_imp::options_imp(QWidget *parent):
   applyButton->setEnabled(false);
   // Tab selection mecanism
   connect(tabSelection, SIGNAL(currentItemChanged(QListWidgetItem *, QListWidgetItem *)), this, SLOT(changePage(QListWidgetItem *, QListWidgetItem*)));
-#if LIBTORRENT_VERSION_MINOR < 15
-  checkAppendqB->setVisible(false);
-#endif
 #if LIBTORRENT_VERSION_MINOR < 16
   checkuTP->setVisible(false);
   checkLimituTPConnections->setVisible(false);
@@ -392,9 +389,7 @@ void options_imp::saveOptions(){
 #endif
   pref.setTempPath(temp_path);
   pref.setAppendTorrentLabel(checkAppendLabel->isChecked());
-#if LIBTORRENT_VERSION_MINOR > 14
   pref.useIncompleteFilesExtension(checkAppendqB->isChecked());
-#endif
   pref.preAllocateAllFiles(preAllocateAllFiles());
   pref.useAdditionDialog(useAdditionDialog());
   pref.addTorrentsInPause(addTorrentsInPause());
@@ -569,9 +564,7 @@ void options_imp::loadOptions(){
 #endif
   textTempPath->setText(temp_path);
   checkAppendLabel->setChecked(pref.appendTorrentLabel());
-#if LIBTORRENT_VERSION_MINOR > 14
   checkAppendqB->setChecked(pref.useIncompleteFilesExtension());
-#endif
   checkPreallocateAll->setChecked(pref.preAllocateAllFiles());
   checkAdditionDialog->setChecked(pref.useAdditionDialog());
   checkStartPaused->setChecked(pref.addTorrentsInPause());

src/preferences/preferences.h

@@ -205,7 +205,6 @@ public:
     setValue(QString::fromUtf8("Preferences/Downloads/TempPath"), path);
   }
 
-#if LIBTORRENT_VERSION_MINOR > 14
   bool useIncompleteFilesExtension() const {
     return value(QString::fromUtf8("Preferences/Downloads/UseIncompleteExtension"), false).toBool();
   }
@@ -213,7 +212,6 @@ public:
   void useIncompleteFilesExtension(bool enabled) {
     setValue(QString::fromUtf8("Preferences/Downloads/UseIncompleteExtension"), enabled);
   }
-#endif
 
   bool appendTorrentLabel() const {
     return value(QString::fromUtf8("Preferences/Downloads/AppendLabel"), false).toBool();
@@ -1025,7 +1023,6 @@ public:
   }
 #endif
 
-#if LIBTORRENT_VERSION_MINOR > 14
   bool isSuperSeedingEnabled() const {
     return value(QString::fromUtf8("Preferences/Advanced/SuperSeeding"), false).toBool();
   }
@@ -1041,7 +1038,6 @@ public:
   void setAnnounceToAllTrackers(bool enabled) {
     setValue(QString::fromUtf8("Preferences/Advanced/AnnounceToAllTrackers"), enabled);
   }
-#endif
 
 #if defined(Q_WS_X11) && (QT_VERSION >= QT_VERSION_CHECK(4,6,0))
   bool useSystemIconTheme() const {

src/previewselect.cpp

@@ -96,10 +96,9 @@ void PreviewSelect::on_previewButton_clicked(){
   QModelIndex index;
   QModelIndexList selectedIndexes = previewList->selectionModel()->selectedRows(NAME);
   if(selectedIndexes.size() == 0) return;
-#if LIBTORRENT_VERSION_MINOR > 14
   // Flush data
   h.flush_cache();
-#endif
+
   QString path;
   foreach(index, selectedIndexes){
     path = h.absolute_files_path().at(indexes.at(index.row()));

src/properties/propertieswidget.cpp

@@ -420,10 +420,8 @@ void PropertiesWidget::openDoubleClickedFile(QModelIndex index) {
     const QString filename = h.filepath_at(i);
     const QString file_path = QDir::cleanPath(saveDir.absoluteFilePath(filename));
     qDebug("Trying to open file at %s", qPrintable(file_path));
-#if LIBTORRENT_VERSION_MINOR > 14
     // Flush data
     h.flush_cache();
-#endif
     if(QFile::exists(file_path)) {
       QDesktopServices::openUrl(QUrl::fromLocalFile(file_path));
     } else {
@@ -442,10 +440,8 @@ void PropertiesWidget::openDoubleClickedFile(QModelIndex index) {
     const QString filename = path_items.join(QDir::separator());
     const QString file_path = QDir::cleanPath(saveDir.absoluteFilePath(filename));
     qDebug("Trying to open folder at %s", qPrintable(file_path));
-#if LIBTORRENT_VERSION_MINOR > 14
     // Flush data
     h.flush_cache();
-#endif
     if(QFile::exists(file_path)) {
       QDesktopServices::openUrl(QUrl::fromLocalFile(file_path));
     } else {

src/properties/trackerlist.cpp

@@ -247,7 +247,6 @@ void TrackerList::loadTrackers() {
     }
     TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
     QString error_message = data.last_message.trimmed();
-#if LIBTORRENT_VERSION_MINOR > 14
     if(it->verified) {
       item->setText(COL_STATUS, tr("Working"));
       item->setText(COL_MSG, "");
@@ -265,20 +264,6 @@ void TrackerList::loadTrackers() {
         }
       }
     }
-#else
-    if(data.verified) {
-      item->setText(COL_STATUS, tr("Working"));
-      item->setText(COL_MSG, "");
-    } else {
-      if(data.fail_count > 0) {
-        item->setText(COL_STATUS, tr("Not working"));
-        item->setText(COL_MSG, error_message);
-      } else {
-        item->setText(COL_STATUS, tr("Not contacted yet"));
-        item->setText(COL_MSG, "");
-      }
-    }
-#endif
     item->setText(COL_PEERS, QString::number(trackers_data.value(tracker_url, TrackerInfos(tracker_url)).num_peers));
   }
   // Remove old trackers

src/qtlibtorrent/qbtsession.cpp

@@ -57,9 +57,7 @@
 #include <libtorrent/version.hpp>
 #include <libtorrent/extensions/ut_metadata.hpp>
 #include <libtorrent/version.hpp>
-#if LIBTORRENT_VERSION_MINOR > 14
 #include <libtorrent/extensions/lt_trackers.hpp>
-#endif
 #include <libtorrent/extensions/ut_pex.hpp>
 #include <libtorrent/extensions/smart_ban.hpp>
 //#include <libtorrent/extensions/metadata_transfer.hpp>
@@ -139,10 +137,8 @@ QBtSession::QBtSession()
   // Enabling plugins
   //s->add_extension(&create_metadata_plugin);
   s->add_extension(&create_ut_metadata_plugin);
-#if LIBTORRENT_VERSION_MINOR > 14
   if(pref.trackerExchangeEnabled())
     s->add_extension(&create_lt_trackers_plugin);
-#endif
   if(pref.isPeXEnabled()) {
     PeXEnabled = true;
     s->add_extension(&create_ut_pex_plugin);
@@ -154,9 +150,7 @@ QBtSession::QBtSession()
   connect(timerAlerts, SIGNAL(timeout()), SLOT(readAlerts()));
   timerAlerts->start(1000);
   appendLabelToSavePath = pref.appendTorrentLabel();
-#if LIBTORRENT_VERSION_MINOR > 14
   appendqBExtension = pref.useIncompleteFilesExtension();
-#endif
   connect(m_scanFolders, SIGNAL(torrentsAdded(QStringList&)), SLOT(addTorrentsFromScanFolder(QStringList&)));
   // Apply user settings to Bittorrent session
   configureSession();
@@ -179,9 +173,6 @@ QBtSession::~QBtSession() {
   delete m_speedMonitor;
   qDebug("Deleted the torrent speed monitor");
   // Do some BT related saving
-#if LIBTORRENT_VERSION_MINOR < 15
-  saveDHTEntry();
-#endif
   saveSessionState();
   saveFastResumeData();
   // Delete our objects
@@ -309,9 +300,7 @@ void QBtSession::configureSession() {
     setDefaultTempPath(QString::null);
   }
   setAppendLabelToSavePath(pref.appendTorrentLabel());
-#if LIBTORRENT_VERSION_MINOR > 14
   setAppendqBExtension(pref.useIncompleteFilesExtension());
-#endif
   preAllocateAllFiles(pref.preAllocateAllFiles());
   startTorrentsInPause(pref.addTorrentsInPause());
   // * Export Dir
@@ -404,22 +393,18 @@ void QBtSession::configureSession() {
   sessionSettings.stop_tracker_timeout = 1;
   //sessionSettings.announce_to_all_trackers = true;
   sessionSettings.auto_scrape_interval = 1200; // 20 minutes
-#if LIBTORRENT_VERSION_MINOR > 14
   bool announce_to_all = pref.announceToAllTrackers();
   sessionSettings.announce_to_all_trackers = announce_to_all;
   sessionSettings.announce_to_all_tiers = announce_to_all;
   sessionSettings.auto_scrape_min_interval = 900; // 15 minutes
-#endif
   sessionSettings.cache_size = pref.diskCacheSize()*64;
   qDebug() << "Using a disk cache size of" << pref.diskCacheSize() << "MiB";
   // Disable OS cache to avoid memory problems (uTorrent behavior)
 #ifdef Q_WS_WIN
-#if LIBTORRENT_VERSION_MINOR > 14
   // Fixes huge memory usage on Windows 7 (especially when checking files)
   sessionSettings.disk_io_write_mode = session_settings::disable_os_cache;
   sessionSettings.disk_io_read_mode = session_settings::disable_os_cache;
 #endif
-#endif
 #if LIBTORRENT_VERSION_MINOR > 15
   sessionSettings.anonymous_mode = pref.isAnonymousModeEnabled();
   if (sessionSettings.anonymous_mode) {
@@ -461,9 +446,7 @@ void QBtSession::configureSession() {
 #endif
   }
   // Super seeding
-#if LIBTORRENT_VERSION_MINOR > 14
   sessionSettings.strict_super_seeding = pref.isSuperSeedingEnabled();
-#endif
 #if LIBTORRENT_VERSION_MINOR > 15
   // * Max Half-open connections
   sessionSettings.half_open_limit = pref.getMaxHalfOpenConnections();
@@ -1163,11 +1146,10 @@ QTorrentHandle QBtSession::addTorrent(QString path, bool fromScanDir, QString fr
     qDebug("This is a NEW torrent (first time)...");
     loadTorrentTempData(h, savePath, false);
 
-#if LIBTORRENT_VERSION_MINOR > 14
     // Append .!qB to incomplete files
     if(appendqBExtension)
       appendqBextensionToTorrent(h, true);
-#endif
+
     // Backup torrent file
     const QString newFile = torrentBackup.absoluteFilePath(hash + ".torrent");
     if(path != newFile)
@@ -1232,15 +1214,11 @@ add_torrent_params QBtSession::initializeAddTorrentParams(const QString &hash) {
   add_torrent_params p;
 
   // Seeding mode
-#if LIBTORRENT_VERSION_MINOR > 14
   // Skip checking and directly start seeding (new in libtorrent v0.15)
   if(TorrentTempData::isSeedingMode(hash))
     p.seed_mode=true;
   else
     p.seed_mode=false;
-#else
-  Q_UNUSED(hash);
-#endif
 
   // Preallocation mode
   if(preAllocateAll)
@@ -1503,7 +1481,6 @@ void QBtSession::loadSessionState() {
     QFile::remove(state_path);
     return;
   }
-#if LIBTORRENT_VERSION_MINOR > 14
   QFile state_file(state_path);
   if(!state_file.open(QIODevice::ReadOnly)) return;
   std::vector<char> in;
@@ -1522,20 +1499,11 @@ void QBtSession::loadSessionState() {
 #endif
     s->load_state(e);
   }
-#else
-  boost::filesystem::ifstream ses_state_file(state_path.toLocal8Bit().constData()
-                                             , std::ios_base::binary);
-  ses_state_file.unsetf(std::ios_base::skipws);
-  s->load_state(bdecode(
-                  std::istream_iterator<char>(ses_state_file)
-                  , std::istream_iterator<char>()));
-#endif
 }
 
 void QBtSession::saveSessionState() {
   qDebug("Saving session state to disk...");
   const QString state_path = misc::cacheLocation()+QDir::separator()+QString::fromUtf8("ses_state");
-#if LIBTORRENT_VERSION_MINOR > 14
   entry session_state;
   s->save_state(session_state);
   vector<char> out;
@@ -1545,38 +1513,16 @@ void QBtSession::saveSessionState() {
     session_file.write(&out[0], out.size());
     session_file.close();
   }
-#else
-  entry session_state = s->state();
-  boost::filesystem::ofstream out(state_path.toLocal8Bit().constData()
-                                  , std::ios_base::binary);
-  out.unsetf(std::ios_base::skipws);
-  bencode(std::ostream_iterator<char>(out), session_state);
-#endif
 }
 
 // Enable DHT
 bool QBtSession::enableDHT(bool b) {
   if(b) {
     if(!DHTEnabled) {
-#if LIBTORRENT_VERSION_MINOR < 15
-      entry dht_state;
-      const QString dht_state_path = misc::cacheLocation()+QDir::separator()+QString::fromUtf8("dht_state");
-      if(QFile::exists(dht_state_path)) {
-        boost::filesystem::ifstream dht_state_file(dht_state_path.toLocal8Bit().constData(), std::ios_base::binary);
-        dht_state_file.unsetf(std::ios_base::skipws);
-        try{
-          dht_state = bdecode(std::istream_iterator<char>(dht_state_file), std::istream_iterator<char>());
-        }catch (std::exception&) {}
-      }
-#endif
       try {
         qDebug() << "Starting DHT...";
-#if LIBTORRENT_VERSION_MINOR > 14
         Q_ASSERT(!s->is_dht_running());
         s->start_dht();
-#else
-        s->start_dht(dht_state);
-#endif
         s->add_dht_router(std::make_pair(std::string("router.bittorrent.com"), 6881));
         s->add_dht_router(std::make_pair(std::string("router.utorrent.com"), 6881));
         s->add_dht_router(std::make_pair(std::string("dht.transmissionbt.com"), 6881));
@@ -1807,7 +1753,6 @@ void QBtSession::setDefaultTempPath(QString temppath) {
   defaultTempPath = temppath;
 }
 
-#if LIBTORRENT_VERSION_MINOR > 14
 void QBtSession::appendqBextensionToTorrent(const QTorrentHandle &h, bool append) {
   if(!h.is_valid() || !h.has_metadata()) return;
   std::vector<size_type> fp;
@@ -1834,7 +1779,6 @@ void QBtSession::appendqBextensionToTorrent(const QTorrentHandle &h, bool append
     }
   }
 }
-#endif
 
 void QBtSession::changeLabelInTorrentSavePath(const QTorrentHandle &h, QString old_label, QString new_label) {
   if(!h.is_valid()) return;
@@ -1879,7 +1823,6 @@ void QBtSession::setAppendLabelToSavePath(bool append) {
   }
 }
 
-#if LIBTORRENT_VERSION_MINOR > 14
 void QBtSession::setAppendqBExtension(bool append) {
   if(appendqBExtension != append) {
     appendqBExtension = !appendqBExtension;
@@ -1892,7 +1835,6 @@ void QBtSession::setAppendqBExtension(bool append) {
     }
   }
 }
-#endif
 
 // Set the ports range in which is chosen the port the Bittorrent
 // session will listen to
@@ -2191,11 +2133,10 @@ void QBtSession::readAlerts() {
       if(h.is_valid()) {
         const QString hash = h.hash();
         qDebug("Got a torrent finished alert for %s", qPrintable(h.name()));
-#if LIBTORRENT_VERSION_MINOR > 14
         // Remove .!qB extension if necessary
         if(appendqBExtension)
           appendqBextensionToTorrent(h, false);
-#endif
+
         const bool was_already_seeded = TorrentPersistentData::isSeed(hash);
         qDebug("Was already seeded: %d", was_already_seeded);
         if(!was_already_seeded) {
@@ -2341,18 +2282,7 @@ void QBtSession::readAlerts() {
     }
     else if (torrent_deleted_alert* p = dynamic_cast<torrent_deleted_alert*>(a.get())) {
       qDebug("A torrent was deleted from the hard disk, attempting to remove the root folder too...");
-      QString hash;
-#if LIBTORRENT_VERSION_MINOR > 14
-      hash = misc::toQString(p->info_hash);
-#else
-      // Unfortunately libtorrent v0.14 does not provide the hash,
-      // only the torrent handle that is often invalid when it arrives
-      try {
-        if(p->handle.is_valid()) {
-          hash = misc::toQString(p->handle.info_hash());
-        }
-      }catch(std::exception){}
-#endif
+      QString hash = misc::toQString(p->info_hash);
       if(!hash.isEmpty()) {
         if(savePathsToRemove.contains(hash)) {
           const QString dirpath = savePathsToRemove.take(hash);
@@ -2403,11 +2333,9 @@ void QBtSession::readAlerts() {
         // Copy the torrent file to the export folder
         if(torrentExport)
           exportTorrentFile(h);
-#if LIBTORRENT_VERSION_MINOR > 14
         // Append .!qB to incomplete files
         if(appendqBExtension)
           appendqBextensionToTorrent(h, true);
-#endif
         // Truncate root folder
         const QString root_folder = misc::truncateRootFolder(p->handle);
         TorrentPersistentData::setRootFolder(h.hash(), root_folder);
@@ -2451,7 +2379,6 @@ void QBtSession::readAlerts() {
         }
       }
     }
-#if LIBTORRENT_VERSION_MINOR > 14
     else if (file_completed_alert* p = dynamic_cast<file_completed_alert*>(a.get())) {
       QTorrentHandle h(p->handle);
       qDebug("A file completed download in torrent %s", qPrintable(h.name()));
@@ -2466,7 +2393,6 @@ void QBtSession::readAlerts() {
         }
       }
     }
-#endif
     else if (torrent_paused_alert* p = dynamic_cast<torrent_paused_alert*>(a.get())) {
       if(p->handle.is_valid()) {
         QTorrentHandle h(p->handle);
@@ -2486,10 +2412,6 @@ void QBtSession::readAlerts() {
           QHash<QString, TrackerInfos> trackers_data = trackersInfos.value(h.hash(), QHash<QString, TrackerInfos>());
           TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
           data.last_message = misc::toQString(p->msg);
-#if LIBTORRENT_VERSION_MINOR < 15
-          data.verified = false;
-          ++data.fail_count;
-#endif
           trackers_data.insert(tracker_url, data);
           trackersInfos[h.hash()] = trackers_data;
         } else {
@@ -2507,10 +2429,6 @@ void QBtSession::readAlerts() {
         TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
         data.last_message = ""; // Reset error/warning message
         data.num_peers = p->num_peers;
-#if LIBTORRENT_VERSION_MINOR < 15
-        data.fail_count = 0;
-        data.verified = true;
-#endif
         trackers_data.insert(tracker_url, data);
         trackersInfos[h.hash()] = trackers_data;
       }
@@ -2522,10 +2440,6 @@ void QBtSession::readAlerts() {
         const QString tracker_url = misc::toQString(p->url);
         TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
         data.last_message = misc::toQString(p->msg); // Store warning message
-#if LIBTORRENT_VERSION_MINOR < 15
-        data.verified = true;
-        data.fail_count = 0;
-#endif
         trackers_data.insert(tracker_url, data);
         trackersInfos[h.hash()] = trackers_data;
         qDebug("Received a tracker warning from %s: %s", p->url.c_str(), p->msg.c_str());
@@ -2560,12 +2474,7 @@ void QBtSession::readAlerts() {
       QTorrentHandle h(p->handle);
       if(h.is_valid()) {
         qDebug("/!\\ Fast resume failed for %s, reason: %s", qPrintable(h.name()), p->message().c_str());
-#if LIBTORRENT_VERSION_MINOR < 15
-        QString msg = QString::fromLocal8Bit(p->message().c_str());
-        if(msg.contains("filesize", Qt::CaseInsensitive) && msg.contains("mismatch", Qt::CaseInsensitive) && TorrentPersistentData::isSeed(h.hash()) && h.has_missing_files()) {
-#else
         if(p->error.value() == 134 && TorrentPersistentData::isSeed(h.hash()) && h.has_missing_files()) {
-#endif
           const QString hash = h.hash();
           // Mismatching file size (files were probably moved
           addConsoleMessage(tr("File sizes mismatch for torrent %1, pausing it.").arg(h.name()));
@@ -2775,27 +2684,6 @@ qreal QBtSession::getPayloadUploadRate() const{
   return s->status().payload_upload_rate;
 }
 
-#if LIBTORRENT_VERSION_MINOR < 15
-// Save DHT entry to hard drive
-void QBtSession::saveDHTEntry() {
-  // Save DHT entry
-  if(DHTEnabled) {
-    try{
-      entry dht_state = s->dht_state();
-      const QString dht_path = misc::cacheLocation()+QDir::separator()+QString::fromUtf8("dht_state");
-      if(QFile::exists(dht_path))
-        misc::safeRemove(dht_path);
-      boost::filesystem::ofstream out(dht_path.toLocal8Bit().constData(), std::ios_base::binary);
-      out.unsetf(std::ios_base::skipws);
-      bencode(std::ostream_iterator<char>(out), dht_state);
-      qDebug("DHT entry saved");
-    }catch (std::exception& e) {
-      std::cerr << e.what() << std::endl;
-    }
-  }
-}
-#endif
-
 void QBtSession::applyEncryptionSettings(pe_settings se) {
   qDebug("Applying encryption settings");
   s->set_pe_settings(se);

src/qtlibtorrent/qbtsession.h

@@ -146,10 +146,8 @@ public slots:
   void setAppendLabelToSavePath(bool append);
   void appendLabelToTorrentSavePath(const QTorrentHandle &h);
   void changeLabelInTorrentSavePath(const QTorrentHandle &h, QString old_label, QString new_label);
-#if LIBTORRENT_VERSION_MINOR > 14
   void appendqBextensionToTorrent(const QTorrentHandle &h, bool append);
   void setAppendqBExtension(bool append);
-#endif
   void applyEncryptionSettings(libtorrent::pe_settings se);
   void setDownloadLimit(QString hash, long val);
   void setUploadLimit(QString hash, long val);
@@ -216,11 +214,6 @@ signals:
   void ipFilterParsed(bool error, int ruleCount);
   void listenSucceeded();
 
-private:
-#if LIBTORRENT_VERSION_MINOR < 15
-  void saveDHTEntry();
-#endif
-
 private:
   // Bittorrent
   libtorrent::session *s;
@@ -252,9 +245,7 @@ private:
   bool queueingEnabled;
   bool appendLabelToSavePath;
   bool torrentExport;
-#if LIBTORRENT_VERSION_MINOR > 14
   bool appendqBExtension;
-#endif
   QString defaultSavePath;
   QString defaultTempPath;
   // IP filtering

src/qtlibtorrent/qtorrenthandle.cpp

@@ -43,6 +43,9 @@
 #include <libtorrent/torrent_info.hpp>
 #include <libtorrent/bencode.hpp>
 #include <libtorrent/entry.hpp>
+#if LIBTORRENT_VERSION_MINOR < 15
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#endif
 
 #ifdef Q_WS_WIN
 #include <Windows.h>
@@ -51,6 +54,21 @@
 using namespace libtorrent;
 using namespace std;
 
+#if LIBTORRENT_VERSION_MINOR < 16
+static QString boostTimeToQString(const boost::posix_time::ptime &boostDate) {
+  if(boostDate.is_not_a_date_time()) return "";
+  struct std::tm tm;
+  try {
+    tm = boost::posix_time::to_tm(boostDate);
+  } catch(std::exception e) {
+      return "";
+  }
+  const time_t t = mktime(&tm);
+  const QDateTime dt = QDateTime::fromTime_t(t);
+  return dt.toString(Qt::DefaultLocaleLongDate);
+}
+#endif
+
 QTorrentHandle::QTorrentHandle(torrent_handle h): torrent_handle(h) {}
 
 //
@@ -74,10 +92,13 @@ QString QTorrentHandle::creation_date() const {
   boost::optional<time_t> t = torrent_handle::get_torrent_info().creation_date();
   if (t)
       return QDateTime::fromTime_t(*t).toString(Qt::DefaultLocaleLongDate);
-  return tr("Unknown");
+  return "";
 #else
   boost::optional<boost::posix_time::ptime> boostDate = torrent_handle::get_torrent_info().creation_date();
-  return misc::boostTimeToQString(boostDate);
+  if (boostDate) {
+      return boostTimeToQString(*boostDate);
+  }
+  return "";
 #endif
 }
 
@@ -574,11 +595,7 @@ return torrent_handle::status(0x0).distributed_copies;
 }
 
 void QTorrentHandle::file_progress(std::vector<size_type>& fp) const {
-  torrent_handle::file_progress(fp
-#if LIBTORRENT_VERSION_MINOR > 14
-                                , torrent_handle::piece_granularity
-#endif
-                                );
+  torrent_handle::file_progress(fp, torrent_handle::piece_granularity);
 }
 
 //
@@ -745,24 +762,7 @@ void QTorrentHandle::prioritize_files(const vector<int> &files) const {
 }
 
 void QTorrentHandle::add_tracker(const announce_entry& url) const {
-#if LIBTORRENT_VERSION_MINOR > 14
   torrent_handle::add_tracker(url);
-#else
-  std::vector<announce_entry> trackers = torrent_handle::trackers();
-  bool exists = false;
-  std::vector<announce_entry>::iterator it = trackers.begin();
-  while(it != trackers.end()) {
-    if(it->url == url.url) {
-      exists = true;
-      break;
-    }
-    it++;
-  }
-  if(!exists) {
-    trackers.push_back(url);
-    torrent_handle::replace_trackers(trackers);
-  }
-#endif
 }
 
 void QTorrentHandle::prioritize_first_last_piece(int file_index, bool b) const {

src/qtlibtorrent/trackerinfos.h

@@ -38,10 +38,6 @@ public:
   QString name_or_url;
   QString last_message;
   unsigned long num_peers;
-#if LIBTORRENT_VERSION_MINOR < 15
-  bool verified;
-  uint fail_count;
-#endif
 
   //TrackerInfos() {}
   TrackerInfos(const TrackerInfos &b) {
@@ -49,16 +45,8 @@ public:
     Q_ASSERT(!name_or_url.isEmpty());
     last_message = b.last_message;
     num_peers = b.num_peers;
-#if LIBTORRENT_VERSION_MINOR < 15
-    verified = b.verified;
-    fail_count = b.fail_count;
-#endif
   }
   TrackerInfos(QString name_or_url): name_or_url(name_or_url), last_message(""), num_peers(0) {
-#if LIBTORRENT_VERSION_MINOR < 15
-    fail_count = 0;
-    verified = false;
-#endif
   }
 };
 

src/torrentadditiondlg.cpp

@@ -112,9 +112,6 @@ torrentAdditionDialog::torrentAdditionDialog(QWidget *parent) :
     comboLabel->addItem(label);
   }
 
-#if LIBTORRENT_VERSION_MINOR < 15
-  addInSeed->setVisible(false);
-#endif
   // Set Add button as default
   OkButton->setDefault(true);
 }
@@ -663,7 +660,6 @@ void torrentAdditionDialog::on_OkButton_clicked(){
       TorrentTempData::setFilesPath(hash, files_path);
     }
   }
-#if LIBTORRENT_VERSION_MINOR > 14
   // Skip file checking and directly start seeding
   if(addInSeed->isChecked()) {
     // Check if local file(s) actually exist
@@ -674,7 +670,6 @@ void torrentAdditionDialog::on_OkButton_clicked(){
       return;
     }
   }
-#endif
   // Check if there is at least one selected file
   if(!is_magnet && t->num_files() > 1 && allFiltered()){
     QMessageBox::warning(0, tr("Invalid file selection"), tr("You must select at least one file in the torrent"));

src/torrentcreator/torrentcreatordlg.cpp

@@ -171,10 +171,8 @@ void TorrentCreatorDlg::handleCreationSuccess(QString path, QString branch_path)
       save_path = QDir(save_path).absoluteFilePath(root_folder);
     }
     TorrentTempData::setSavePath(hash, save_path);
-#if LIBTORRENT_VERSION_MINOR > 14
     // Enable seeding mode (do not recheck the files)
     TorrentTempData::setSeedingMode(hash, true);
-#endif
     emit torrent_to_seed(path);
   }
   QMessageBox::information(0, tr("Torrent creation"), tr("Torrent was created successfully:")+" "+path);

src/torrentimportdlg.cpp

@@ -51,9 +51,6 @@ TorrentImportDlg::TorrentImportDlg(QWidget *parent) :
   ui->lbl_info->setFixedWidth(ui->lbl_info->height());
   ui->importBtn->setIcon(IconProvider::instance()->getIcon("document-import"));
   // Libtorrent < 0.15 does not support skipping file checking
-#if LIBTORRENT_VERSION_MINOR < 15
-  ui->checkSkipCheck->setVisible(false);
-#endif
   loadSettings();
 }
 
@@ -107,7 +104,6 @@ void TorrentImportDlg::on_browseContentBtn_clicked()
 #else
     ui->lineContent->setText(m_contentPath);
 #endif
-#if LIBTORRENT_VERSION_MINOR >= 15
     // Check file size
     const qint64 file_size = QFile(m_contentPath).size();
     if(t->file_at(0).size == file_size) {
@@ -118,7 +114,6 @@ void TorrentImportDlg::on_browseContentBtn_clicked()
       ui->checkSkipCheck->setChecked(false);
       ui->checkSkipCheck->setEnabled(false);
     }
-#endif
     // Handle file renaming
     QStringList parts = m_contentPath.replace("\\", "/").split("/");
     QString new_file_name = parts.takeLast();
@@ -145,7 +140,6 @@ void TorrentImportDlg::on_browseContentBtn_clicked()
 #else
     ui->lineContent->setText(m_contentPath);
 #endif
-#if LIBTORRENT_VERSION_MINOR >= 15
     bool size_mismatch = false;
     QDir content_dir(m_contentPath);
     // Check file sizes
@@ -172,7 +166,6 @@ void TorrentImportDlg::on_browseContentBtn_clicked()
       qDebug("The file size matches, allowing fast seeding...");
       ui->checkSkipCheck->setEnabled(true);
     }
-#endif
   }
   // Enable the import button
   ui->importBtn->setEnabled(true);
@@ -214,9 +207,7 @@ void TorrentImportDlg::importTorrent()
     const QString hash = misc::toQString(t->info_hash());
     qDebug() << "Torrent hash is" << hash;
     TorrentTempData::setSavePath(hash, content_path);
-#if LIBTORRENT_VERSION_MINOR >= 15
     TorrentTempData::setSeedingMode(hash, dlg.skipFileChecking());
-#endif
     qDebug("Adding the torrent to the session...");
     QBtSession::instance()->addTorrent(torrent_path);
     // Remember the last opened folder
@@ -280,12 +271,10 @@ boost::intrusive_ptr<libtorrent::torrent_info> TorrentImportDlg::torrent() const
   return t;
 }
 
-#if LIBTORRENT_VERSION_MINOR >= 15
 bool TorrentImportDlg::skipFileChecking() const
 {
   return ui->checkSkipCheck->isChecked();
 }
-#endif
 
 void TorrentImportDlg::loadSettings()
 {

src/torrentimportdlg.h

@@ -56,9 +56,7 @@ public:
   QString getContentPath() const;
   bool fileRenamed() const;
   boost::intrusive_ptr<libtorrent::torrent_info> torrent() const;
-#if LIBTORRENT_VERSION_MINOR >= 15
   bool skipFileChecking() const;
-#endif
 
 protected slots:
   void loadTorrent(const QString &torrent_path);

src/torrentpersistentdata.h

@@ -118,7 +118,6 @@ public:
     return data.value("sequential", false).toBool();
   }
 
-#if LIBTORRENT_VERSION_MINOR > 14
   static void setSeedingMode(QString hash,bool seed){
     QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent-resume"));
     QHash<QString, QVariant> all_data = settings.value("torrents-tmp").toHash();
@@ -134,7 +133,6 @@ public:
     const QHash<QString, QVariant> data = all_data.value(hash).toHash();
     return data.value("seeding", false).toBool();
   }
-#endif
 
   static QString getSavePath(QString hash) {
     QIniSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent-resume"));

src/transferlistwidget.cpp

@@ -547,7 +547,6 @@ void TransferListWidget::displayDLHoSMenu(const QPoint&){
 }
 
 void TransferListWidget::toggleSelectedTorrentsSuperSeeding() const {
-#if LIBTORRENT_VERSION_MINOR > 14
   const QStringList hashes = getSelectedTorrentsHashes();
   foreach(const QString &hash, hashes) {
     QTorrentHandle h = BTSession->getTorrentHandle(hash);
@@ -555,7 +554,6 @@ void TransferListWidget::toggleSelectedTorrentsSuperSeeding() const {
       h.super_seeding(!h.super_seeding());
     }
   }
-#endif
 }
 
 void TransferListWidget::toggleSelectedTorrentsSequentialDownload() const {
@@ -672,11 +670,9 @@ void TransferListWidget::displayListMenu(const QPoint&) {
   connect(&actionForce_recheck, SIGNAL(triggered()), this, SLOT(recheckSelectedTorrents()));
   QAction actionCopy_magnet_link(QIcon(":/Icons/magnet.png"), tr("Copy magnet link"), 0);
   connect(&actionCopy_magnet_link, SIGNAL(triggered()), this, SLOT(copySelectedMagnetURIs()));
-#if LIBTORRENT_VERSION_MINOR > 14
   QAction actionSuper_seeding_mode(tr("Super seeding mode"), 0);
   actionSuper_seeding_mode.setCheckable(true);
   connect(&actionSuper_seeding_mode, SIGNAL(triggered()), this, SLOT(toggleSelectedTorrentsSuperSeeding()));
-#endif
   QAction actionRename(IconProvider::instance()->getIcon("edit-rename"), tr("Rename..."), 0);
   connect(&actionRename, SIGNAL(triggered()), this, SLOT(renameSelectedTorrent()));
   QAction actionSequential_download(tr("Download in sequential order"), 0);
@@ -690,10 +686,8 @@ void TransferListWidget::displayListMenu(const QPoint&) {
   // Enable/disable pause/start action given the DL state
   QModelIndexList selectedIndexes = selectionModel()->selectedRows();
   bool has_pause = false, has_start = false, has_preview = false;
-#if LIBTORRENT_VERSION_MINOR > 14
   bool all_same_super_seeding = true;
   bool super_seeding_mode = false;
-#endif
   bool all_same_sequential_download_mode = true, all_same_prio_firstlast = true;
   bool sequential_download_mode = false, prioritize_first_last = false;
   bool one_has_metadata = false, one_not_seed = false;
@@ -724,7 +718,6 @@ void TransferListWidget::displayListMenu(const QPoint&) {
         }
       }
     }
-#if LIBTORRENT_VERSION_MINOR > 14
     else {
       if(!one_not_seed && all_same_super_seeding && h.has_metadata()) {
         if(first) {
@@ -736,7 +729,6 @@ void TransferListWidget::displayListMenu(const QPoint&) {
         }
       }
     }
-#endif
     if(h.is_paused()) {
       if(!has_start) {
         listMenu.addAction(&actionStart);
@@ -776,12 +768,10 @@ void TransferListWidget::displayListMenu(const QPoint&) {
     listMenu.addAction(&actionSet_download_limit);
   listMenu.addAction(&actionSet_max_ratio);
   listMenu.addAction(&actionSet_upload_limit);
-#if LIBTORRENT_VERSION_MINOR > 14
   if(!one_not_seed && all_same_super_seeding && one_has_metadata) {
     actionSuper_seeding_mode.setChecked(super_seeding_mode);
     listMenu.addAction(&actionSuper_seeding_mode);
   }
-#endif
   listMenu.addSeparator();
   bool added_preview_action = false;
   if(has_preview) {

src/webui/eventmanager.cpp

@@ -68,7 +68,6 @@ QList<QVariantMap> EventManager::getPropTrackersInfo(QString hash) const {
       tracker["url"] = tracker_url;
       TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
       QString error_message = data.last_message.trimmed();
-#if LIBTORRENT_VERSION_MINOR > 14
       if(it->verified) {
         tracker["status"] = tr("Working");
       } else {
@@ -82,16 +81,6 @@ QList<QVariantMap> EventManager::getPropTrackersInfo(QString hash) const {
           }
         }
       }
-#else
-      if(data.verified) {
-        tracker["status"] = tr("Working");
-      } else {
-        if(data.fail_count > 0)
-          tracker["status"] = tr("Not working");
-        else
-          tracker["status"] = tr("Not contacted yet");
-      }
-#endif
       tracker["num_peers"] = QString::number(trackers_data.value(tracker_url, TrackerInfos(tracker_url)).num_peers);
       tracker["msg"] = error_message;
       trackersInfo << tracker;
@@ -209,10 +198,8 @@ void EventManager::setGlobalPreferences(QVariantMap m) {
     pref.setMaxActiveUploads(m["max_active_uploads"].toInt());
   if(m.contains("dont_count_slow_torrents"))
     pref.setIgnoreSlowTorrentsForQueueing(m["dont_count_slow_torrents"].toBool());
-#if LIBTORRENT_VERSION_MINOR > 14
   if(m.contains("incomplete_files_ext"))
     pref.useIncompleteFilesExtension(m["incomplete_files_ext"].toBool());
-#endif
   // Connection
   if(m.contains("listen_port"))
     pref.setSessionPort(m["listen_port"].toInt());
@@ -360,9 +347,7 @@ QVariantMap EventManager::getGlobalPreferences() const {
   data["max_active_torrents"] = pref.getMaxActiveTorrents();
   data["max_active_uploads"] = pref.getMaxActiveUploads();
   data["dont_count_slow_torrents"] = pref.ignoreSlowTorrentsForQueueing();
-#if LIBTORRENT_VERSION_MINOR > 14
   data["incomplete_files_ext"] = pref.useIncompleteFilesExtension();
-#endif
   // Connection
   data["listen_port"] = pref.getSessionPort();
   data["upnp"] = pref.isUPnPEnabled();