Don't use deprecated libtorrent features

src/base/CMakeLists.txt

@@ -10,6 +10,7 @@ bittorrent/magneturi.h
 bittorrent/peerinfo.h
 bittorrent/private/bandwidthscheduler.h
 bittorrent/private/filterparserthread.h
+bittorrent/private/ltunderlyingtype.h
 bittorrent/private/portforwarderimpl.h
 bittorrent/private/resumedatasavingmanager.h
 bittorrent/private/speedmonitor.h

src/base/base.pri

@@ -9,6 +9,7 @@ HEADERS += \
     $$PWD/bittorrent/peerinfo.h \
     $$PWD/bittorrent/private/bandwidthscheduler.h \
     $$PWD/bittorrent/private/filterparserthread.h \
+    $$PWD/bittorrent/private/ltunderlyingtype.h \
     $$PWD/bittorrent/private/portforwarderimpl.h \
     $$PWD/bittorrent/private/resumedatasavingmanager.h \
     $$PWD/bittorrent/private/speedmonitor.h \

src/base/bittorrent/private/ltunderlyingtype.h

@@ -0,0 +1,61 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2019  Vladimir Golovnev <glassez@yandex.ru>
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include <type_traits>
+
+template <typename ...>
+using void_t = void;  // replace this with std::void_t in C++17
+
+template <typename T, typename = void>
+struct HasUnderlyingType
+    : std::false_type
+{
+};
+
+template <typename T>
+struct HasUnderlyingType<T, void_t<typename T::underlying_type>>
+    : std::true_type
+{
+};
+
+template <typename T, typename = void>
+struct LTUnderlying
+{
+    using type = T;
+};
+
+template <typename T>
+struct LTUnderlying<T, typename std::enable_if_t<HasUnderlyingType<T>::value>>
+{
+    using type = typename T::underlying_type;
+};
+
+template <typename T>
+using LTUnderlyingType = typename LTUnderlying<T>::type;

src/base/bittorrent/session.cpp

@@ -86,6 +86,7 @@
 #include "magneturi.h"
 #include "private/bandwidthscheduler.h"
 #include "private/filterparserthread.h"
+#include "private/ltunderlyingtype.h"
 #include "private/portforwarderimpl.h"
 #include "private/resumedatasavingmanager.h"
 #include "private/statistics.h"
@@ -106,10 +107,16 @@ using namespace BitTorrent;
 namespace
 {
 #if (LIBTORRENT_VERSION_NUM < 10200)
+    using LTAlertCategory = int;
+    using LTPeerClass = int;
+    using LTQueuePosition = int;
     using LTSessionFlags = int;
     using LTStatusFlags = int;
     using LTString = std::string;
 #else
+    using LTAlertCategory = lt::alert_category_t;
+    using LTPeerClass = lt::peer_class_t;
+    using LTQueuePosition = lt::queue_position_t;
     using LTSessionFlags = lt::session_flags_t;
     using LTStatusFlags = lt::status_flags_t;
     using LTString = lt::string_view;
@@ -277,7 +284,6 @@ Session::Session(QObject *parent)
     , m_diskCacheSize(BITTORRENT_SESSION_KEY("DiskCacheSize"), 64)
     , m_diskCacheTTL(BITTORRENT_SESSION_KEY("DiskCacheTTL"), 60)
     , m_useOSCache(BITTORRENT_SESSION_KEY("UseOSCache"), true)
-    , m_guidedReadCacheEnabled(BITTORRENT_SESSION_KEY("GuidedReadCache"), true)
 #ifdef Q_OS_WIN
     , m_coalesceReadWriteEnabled(BITTORRENT_SESSION_KEY("CoalesceReadWrite"), true)
 #else
@@ -338,7 +344,6 @@ Session::Session(QObject *parent)
     , 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_chokingAlgorithm(BITTORRENT_SESSION_KEY("ChokingAlgorithm"), ChokingAlgorithm::FixedSlots
         , clampValue(ChokingAlgorithm::FixedSlots, ChokingAlgorithm::RateBased))
@@ -381,7 +386,7 @@ Session::Session(QObject *parent)
     connect(m_seedingLimitTimer, &QTimer::timeout, this, &Session::processShareLimits);
 
     // Set severity level of libtorrent session
-    const int alertMask = lt::alert::error_notification
+    const LTAlertCategory alertMask = lt::alert::error_notification
                     | lt::alert::peer_notification
                     | lt::alert::port_mapping_notification
                     | lt::alert::storage_notification
@@ -1252,8 +1257,6 @@ void Session::configure(lt::settings_pack &settingsPack)
 
         settingsPack.set_bool(lt::settings_pack::proxy_peer_connections, isProxyPeerConnectionsEnabled());
     }
-    settingsPack.set_bool(lt::settings_pack::force_proxy
-        , ((proxyConfig.type == Net::ProxyType::None) ? false : isForceProxyEnabled()));
 
     settingsPack.set_bool(lt::settings_pack::announce_to_all_trackers, announceToAllTrackers());
     settingsPack.set_bool(lt::settings_pack::announce_to_all_tiers, announceToAllTiers());
@@ -1274,7 +1277,6 @@ void Session::configure(lt::settings_pack &settingsPack)
                                                               : lt::settings_pack::disable_os_cache;
     settingsPack.set_int(lt::settings_pack::disk_io_read_mode, mode);
     settingsPack.set_int(lt::settings_pack::disk_io_write_mode, mode);
-    settingsPack.set_bool(lt::settings_pack::guided_read_cache, isGuidedReadCacheEnabled());
 
     settingsPack.set_bool(lt::settings_pack::coalesce_reads, isCoalesceReadWriteEnabled());
     settingsPack.set_bool(lt::settings_pack::coalesce_writes, isCoalesceReadWriteEnabled());
@@ -1398,7 +1400,7 @@ void Session::configurePeerClasses()
     // Proactively do the same for 0.0.0.0 and address_v4::any()
     f.add_rule(lt::address_v4::any()
                , lt::address_v4::broadcast()
-               , 1 << lt::session::global_peer_class_id);
+               , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::global_peer_class_id));
 
 #if (LIBTORRENT_VERSION_NUM >= 10200) || TORRENT_USE_IPV6
     // IPv6 may not be available on OS and the parsing
@@ -1407,7 +1409,7 @@ void Session::configurePeerClasses()
     try {
         f.add_rule(lt::address_v6::any()
                    , lt::address_v6::from_string("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
-                   , 1 << lt::session::global_peer_class_id);
+                   , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::global_peer_class_id));
     }
     catch (const std::exception &) {}
 #endif
@@ -1416,21 +1418,21 @@ void Session::configurePeerClasses()
         // local networks
         f.add_rule(lt::address_v4::from_string("10.0.0.0")
                    , lt::address_v4::from_string("10.255.255.255")
-                   , 1 << lt::session::local_peer_class_id);
+                   , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
         f.add_rule(lt::address_v4::from_string("172.16.0.0")
                    , lt::address_v4::from_string("172.31.255.255")
-                   , 1 << lt::session::local_peer_class_id);
+                   , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
         f.add_rule(lt::address_v4::from_string("192.168.0.0")
                    , lt::address_v4::from_string("192.168.255.255")
-                   , 1 << lt::session::local_peer_class_id);
+                   , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
         // link local
         f.add_rule(lt::address_v4::from_string("169.254.0.0")
                    , lt::address_v4::from_string("169.254.255.255")
-                   , 1 << lt::session::local_peer_class_id);
+                   , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
         // loopback
         f.add_rule(lt::address_v4::from_string("127.0.0.0")
                    , lt::address_v4::from_string("127.255.255.255")
-                   , 1 << lt::session::local_peer_class_id);
+                   , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
 
 #if (LIBTORRENT_VERSION_NUM >= 10200) || TORRENT_USE_IPV6
         // IPv6 may not be available on OS and the parsing
@@ -1440,15 +1442,15 @@ void Session::configurePeerClasses()
             // link local
             f.add_rule(lt::address_v6::from_string("fe80::")
                        , lt::address_v6::from_string("febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
-                       , 1 << lt::session::local_peer_class_id);
+                       , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
             // unique local addresses
             f.add_rule(lt::address_v6::from_string("fc00::")
                        , lt::address_v6::from_string("fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")
-                       , 1 << lt::session::local_peer_class_id);
+                       , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
             // loopback
             f.add_rule(lt::address_v6::loopback()
                        , lt::address_v6::loopback()
-                       , 1 << lt::session::local_peer_class_id);
+                       , 1 << static_cast<LTUnderlyingType<LTPeerClass>>(lt::session::local_peer_class_id));
         }
         catch (const std::exception &) {}
 #endif
@@ -2206,7 +2208,7 @@ void Session::saveTorrentsQueue()
     QMap<int, QString> queue; // Use QMap since it should be ordered by key
     for (const TorrentHandle *torrent : asConst(torrents())) {
         // We require actual (non-cached) queue position here!
-        const int queuePos = torrent->nativeHandle().queue_position();
+        const int queuePos = LTUnderlyingType<LTQueuePosition> {torrent->nativeHandle().queue_position()};
         if (queuePos >= 0)
             queue[queuePos] = torrent->hash();
     }
@@ -2618,19 +2620,6 @@ void Session::setEncryption(const int state)
     }
 }
 
-bool Session::isForceProxyEnabled() const
-{
-    return m_isForceProxyEnabled;
-}
-
-void Session::setForceProxyEnabled(const bool enabled)
-{
-    if (enabled != isForceProxyEnabled()) {
-        m_isForceProxyEnabled = enabled;
-        configureDeferred();
-    }
-}
-
 bool Session::isProxyPeerConnectionsEnabled() const
 {
     return m_isProxyPeerConnectionsEnabled;
@@ -2925,19 +2914,6 @@ void Session::setUseOSCache(const bool use)
     }
 }
 
-bool Session::isGuidedReadCacheEnabled() const
-{
-    return m_guidedReadCacheEnabled;
-}
-
-void Session::setGuidedReadCacheEnabled(const bool enabled)
-{
-    if (enabled == m_guidedReadCacheEnabled) return;
-
-    m_guidedReadCacheEnabled = enabled;
-    configureDeferred();
-}
-
 bool Session::isCoalesceReadWriteEnabled() const
 {
     return m_coalesceReadWriteEnabled;

src/base/bittorrent/session.h

@@ -298,8 +298,6 @@ namespace BitTorrent
         void setIPv6Enabled(bool enabled);
         int encryption() const;
         void setEncryption(int state);
-        bool isForceProxyEnabled() const;
-        void setForceProxyEnabled(bool enabled);
         bool isProxyPeerConnectionsEnabled() const;
         void setProxyPeerConnectionsEnabled(bool enabled);
         ChokingAlgorithm chokingAlgorithm() const;
@@ -330,8 +328,6 @@ namespace BitTorrent
         void setDiskCacheTTL(int ttl);
         bool useOSCache() const;
         void setUseOSCache(bool use);
-        bool isGuidedReadCacheEnabled() const;
-        void setGuidedReadCacheEnabled(bool enabled);
         bool isCoalesceReadWriteEnabled() const;
         void setCoalesceReadWriteEnabled(bool enabled);
         bool isSuggestModeEnabled() const;
@@ -595,7 +591,6 @@ namespace BitTorrent
         CachedSettingValue<int> m_diskCacheSize;
         CachedSettingValue<int> m_diskCacheTTL;
         CachedSettingValue<bool> m_useOSCache;
-        CachedSettingValue<bool> m_guidedReadCacheEnabled;
         CachedSettingValue<bool> m_coalesceReadWriteEnabled;
         CachedSettingValue<bool> m_isSuggestMode;
         CachedSettingValue<int> m_sendBufferWatermark;
@@ -650,7 +645,6 @@ namespace BitTorrent
         CachedSettingValue<QString> m_networkInterfaceAddress;
         CachedSettingValue<bool> m_isIPv6Enabled;
         CachedSettingValue<int> m_encryption;
-        CachedSettingValue<bool> m_isForceProxyEnabled;
         CachedSettingValue<bool> m_isProxyPeerConnectionsEnabled;
         CachedSettingValue<ChokingAlgorithm> m_chokingAlgorithm;
         CachedSettingValue<SeedChokingAlgorithm> m_seedChokingAlgorithm;

src/base/bittorrent/torrentcreatorthread.cpp

@@ -44,14 +44,17 @@
 #include "base/global.h"
 #include "base/utils/fs.h"
 #include "base/utils/string.h"
+#include "private/ltunderlyingtype.h"
 
 namespace
 {
 #if (LIBTORRENT_VERSION_NUM < 10200)
-    using CreateFlags = int;
+    using LTCreateFlags = int;
+    using LTPieceIndex = int;
 #else
-    using CreateFlags = lt::create_flags_t;
-#endif
+    using LTCreateFlags = lt::create_flags_t;
+    using LTPieceIndex = lt::piece_index_t;
+#endif    
 
     // do not include files and folders whose
     // name starts with a .
@@ -136,7 +139,7 @@ void TorrentCreatorThread::run()
         if (isInterruptionRequested()) return;
 
         lt::create_torrent newTorrent(fs, m_params.pieceSize, -1
-                                        , (m_params.isAlignmentOptimized ? lt::create_torrent::optimize_alignment : CreateFlags {}));
+                                        , (m_params.isAlignmentOptimized ? lt::create_torrent::optimize_alignment : LTCreateFlags {}));
 
         // Add url seeds
         for (QString seed : asConst(m_params.urlSeeds)) {
@@ -157,7 +160,10 @@ void TorrentCreatorThread::run()
 
         // calculate the hash for all pieces
         lt::set_piece_hashes(newTorrent, Utils::Fs::toNativePath(parentPath).toStdString()
-            , [this, &newTorrent](const int n) { sendProgressSignal(n, newTorrent.num_pieces()); });
+            , [this, &newTorrent](const LTPieceIndex n)
+        {
+            sendProgressSignal(LTUnderlyingType<LTPieceIndex> {n}, newTorrent.num_pieces());
+        });
         // Set qBittorrent as creator and add user comment to
         // torrent_info structure
         newTorrent.set_creator(creatorStr.toUtf8().constData());
@@ -208,5 +214,5 @@ int TorrentCreatorThread::calculateTotalPieces(const QString &inputPath, const i
     lt::add_files(fs, Utils::Fs::toNativePath(inputPath).toStdString(), fileFilter);
 
     return lt::create_torrent(fs, pieceSize, -1
-                                , (isAlignmentOptimized ? lt::create_torrent::optimize_alignment : CreateFlags {})).num_pieces();
+                                , (isAlignmentOptimized ? lt::create_torrent::optimize_alignment : LTCreateFlags {})).num_pieces();
 }

src/base/bittorrent/torrenthandle.cpp

@@ -66,6 +66,7 @@
 #include "base/utils/string.h"
 #include "downloadpriority.h"
 #include "peerinfo.h"
+#include "private/ltunderlyingtype.h"
 #include "session.h"
 #include "trackerentry.h"
 
@@ -77,11 +78,13 @@ namespace
 {
 #if (LIBTORRENT_VERSION_NUM < 10200)
     using LTDownloadPriority = int;
-    using LTDownloadPriorityUnderlyingType = int;
+    using LTFileIndex = int;
+    using LTPieceIndex = int;
     using LTQueuePosition = int;
 #else
     using LTDownloadPriority = lt::download_priority_t;
-    using LTDownloadPriorityUnderlyingType = lt::download_priority_t::underlying_type;
+    using LTFileIndex = lt::file_index_t;
+    using LTPieceIndex = lt::piece_index_t;
     using LTQueuePosition = lt::queue_position_t;
 #endif
 
@@ -92,7 +95,7 @@ namespace
                        , std::back_inserter(out), [](BitTorrent::DownloadPriority priority)
         {
             return static_cast<LTDownloadPriority>(
-                        static_cast<LTDownloadPriorityUnderlyingType>(priority));
+                        static_cast<LTUnderlyingType<LTDownloadPriority>>(priority));
         });
         return out;
     }
@@ -377,7 +380,7 @@ bool TorrentHandle::isAutoManaged() const
 #if (LIBTORRENT_VERSION_NUM < 10200)
     return m_nativeStatus.auto_managed;
 #else
-    return (m_nativeStatus.flags & lt::torrent_flags::auto_managed);
+    return bool {m_nativeStatus.flags & lt::torrent_flags::auto_managed};
 #endif
 }
 
@@ -680,7 +683,7 @@ QStringList TorrentHandle::absoluteFilePathsUnwanted() const
 
     QStringList res;
     for (int i = 0; i < static_cast<int>(fp.size()); ++i) {
-        if (fp[i] == 0) {
+        if (fp[i] == LTDownloadPriority {0}) {
             const QString path = Utils::Fs::expandPathAbs(saveDir.absoluteFilePath(filePath(i)));
             if (path.contains(".unwanted"))
                 res << path;
@@ -701,8 +704,7 @@ QVector<DownloadPriority> TorrentHandle::filePriorities() const
     QVector<DownloadPriority> ret;
     std::transform(fp.cbegin(), fp.cend(), std::back_inserter(ret), [](LTDownloadPriority priority)
     {
-        return static_cast<DownloadPriority>(
-                    static_cast<std::underlying_type<DownloadPriority>::type>(priority));
+        return static_cast<DownloadPriority>(LTUnderlyingType<LTDownloadPriority> {priority});
     });
     return ret;
 }
@@ -825,7 +827,7 @@ bool TorrentHandle::isSequentialDownload() const
 #if (LIBTORRENT_VERSION_NUM < 10200)
     return m_nativeStatus.sequential_download;
 #else
-    return (m_nativeStatus.flags & lt::torrent_flags::sequential_download);
+    return bool {m_nativeStatus.flags & lt::torrent_flags::sequential_download};
 #endif
 }
 
@@ -840,13 +842,13 @@ bool TorrentHandle::hasFirstLastPiecePriority() const
     const std::vector<LTDownloadPriority> filePriorities = nativeHandle().get_file_priorities();
 #endif
     for (int i = 0; i < static_cast<int>(filePriorities.size()); ++i) {
-        if (filePriorities[i] <= 0)
+        if (filePriorities[i] <= LTDownloadPriority {0})
             continue;
 
         const TorrentInfo::PieceRange extremities = info().filePieces(i);
-        const int firstPiecePrio = nativeHandle().piece_priority(extremities.first());
-        const int lastPiecePrio = nativeHandle().piece_priority(extremities.last());
-        return ((firstPiecePrio == 7) && (lastPiecePrio == 7));
+        const LTDownloadPriority firstPiecePrio = nativeHandle().piece_priority(LTPieceIndex {extremities.first()});
+        const LTDownloadPriority lastPiecePrio = nativeHandle().piece_priority(LTPieceIndex {extremities.last()});
+        return ((firstPiecePrio == LTDownloadPriority {7}) && (lastPiecePrio == LTDownloadPriority {7}));
     }
 
     return false;
@@ -1149,7 +1151,7 @@ bool TorrentHandle::superSeeding() const
 #if (LIBTORRENT_VERSION_NUM < 10200)
     return m_nativeStatus.super_seeding;
 #else
-    return (m_nativeStatus.flags & lt::torrent_flags::super_seeding);
+    return bool {m_nativeStatus.flags & lt::torrent_flags::super_seeding};
 #endif
 }
 
@@ -1171,7 +1173,7 @@ QBitArray TorrentHandle::pieces() const
     QBitArray result(m_nativeStatus.pieces.size());
 
     for (int i = 0; i < m_nativeStatus.pieces.size(); ++i)
-        result.setBit(i, m_nativeStatus.pieces.get_bit(i));
+        result.setBit(i, m_nativeStatus.pieces.get_bit(LTPieceIndex {i}));
 
     return result;
 }
@@ -1184,7 +1186,11 @@ QBitArray TorrentHandle::downloadingPieces() const
     m_nativeHandle.get_download_queue(queue);
 
     for (const lt::partial_piece_info &info : queue)
+#if (LIBTORRENT_VERSION_NUM < 10200)
         result.setBit(info.piece_index);
+#else
+        result.setBit(LTUnderlyingType<LTPieceIndex> {info.piece_index});
+#endif
 
     return result;
 }
@@ -1410,7 +1416,7 @@ void TorrentHandle::setFirstLastPiecePriorityImpl(const bool enabled, const QVec
             continue;
 
         // Determine the priority to set
-        const int newPrio = enabled ? LTDownloadPriority {7} : filePrio;
+        const LTDownloadPriority newPrio = enabled ? LTDownloadPriority {7} : filePrio;
         const TorrentInfo::PieceRange extremities = info().filePieces(index);
 
         // worst case: AVI index = 1% of total file size (at the end of the file)
@@ -1507,9 +1513,9 @@ void TorrentHandle::renameFile(const int index, const QString &name)
 {
     if (m_startupState != Started) return;
 
-    m_oldPath[LTFileIndex {index}].push_back(filePath(index));
+    m_oldPath[index].push_back(filePath(index));
     ++m_renameCount;
-    m_nativeHandle.rename_file(index, Utils::Fs::toNativePath(name).toStdString());
+    m_nativeHandle.rename_file(LTFileIndex {index}, Utils::Fs::toNativePath(name).toStdString());
 }
 
 bool TorrentHandle::saveTorrentFile(const QString &path)
@@ -1807,11 +1813,11 @@ void TorrentHandle::handleFileRenamedAlert(const lt::file_renamed_alert *p)
     // remove empty leftover folders
     // for example renaming "a/b/c" to "d/b/c", then folders "a/b" and "a" will
     // be removed if they are empty
-    const QString oldFilePath = m_oldPath[LTFileIndex {p->index}].takeFirst();
+    const QString oldFilePath = m_oldPath[LTUnderlyingType<LTFileIndex> {p->index}].takeFirst();
     const QString newFilePath = Utils::Fs::toUniformPath(p->new_name());
 
-    if (m_oldPath[LTFileIndex {p->index}].isEmpty())
-        m_oldPath.remove(LTFileIndex {p->index});
+    if (m_oldPath[LTUnderlyingType<LTFileIndex> {p->index}].isEmpty())
+        m_oldPath.remove(LTUnderlyingType<LTFileIndex> {p->index});
 
     QVector<QStringRef> oldPathParts = oldFilePath.splitRef('/', QString::SkipEmptyParts);
     oldPathParts.removeLast();  // drop file name part
@@ -1847,12 +1853,12 @@ void TorrentHandle::handleFileRenamedAlert(const lt::file_renamed_alert *p)
 void TorrentHandle::handleFileRenameFailedAlert(const lt::file_rename_failed_alert *p)
 {
     LogMsg(tr("File rename failed. Torrent: \"%1\", file: \"%2\", reason: \"%3\"")
-        .arg(name(), filePath(p->index)
+        .arg(name(), filePath(LTUnderlyingType<LTFileIndex> {p->index})
              , QString::fromStdString(p->error.message())), Log::WARNING);
 
-    m_oldPath[LTFileIndex {p->index}].removeFirst();
-    if (m_oldPath[LTFileIndex {p->index}].isEmpty())
-        m_oldPath.remove(LTFileIndex {p->index});
+    m_oldPath[LTUnderlyingType<LTFileIndex> {p->index}].removeFirst();
+    if (m_oldPath[LTUnderlyingType<LTFileIndex> {p->index}].isEmpty())
+        m_oldPath.remove(LTUnderlyingType<LTFileIndex> {p->index});
 
     --m_renameCount;
     while (!isMoveInProgress() && (m_renameCount == 0) && !m_moveFinishedTriggers.isEmpty())
@@ -1870,12 +1876,12 @@ void TorrentHandle::handleFileCompletedAlert(const lt::file_completed_alert *p)
 
     qDebug("A file completed download in torrent \"%s\"", qUtf8Printable(name()));
     if (m_session->isAppendExtensionEnabled()) {
-        QString name = filePath(p->index);
+        QString name = filePath(LTUnderlyingType<LTFileIndex> {p->index});
         if (name.endsWith(QB_EXT)) {
             const QString oldName = name;
             name.chop(QB_EXT.size());
             qDebug("Renaming %s to %s", qUtf8Printable(oldName), qUtf8Printable(name));
-            renameFile(p->index, name);
+            renameFile(LTUnderlyingType<LTFileIndex> {p->index}, name);
         }
     }
 }

src/base/bittorrent/torrenthandle.h

@@ -355,12 +355,6 @@ namespace BitTorrent
     private:
         typedef std::function<void ()> EventTrigger;
 
-#if (LIBTORRENT_VERSION_NUM < 10200)
-        using LTFileIndex = int;
-#else
-        using LTFileIndex = lt::file_index_t;
-#endif
-
         void updateStatus();
         void updateStatus(const lt::torrent_status &nativeStatus);
         void updateState();
@@ -425,7 +419,7 @@ namespace BitTorrent
 
         // Until libtorrent provide an "old_name" field in `file_renamed_alert`
         // we will rely on this workaround to remove empty leftover folders
-        QHash<LTFileIndex, QVector<QString>> m_oldPath;
+        QHash<int, QVector<QString>> m_oldPath;
 
         bool m_useAutoTMM;
 

src/base/bittorrent/torrentinfo.cpp

@@ -378,7 +378,7 @@ TorrentInfo::PieceRange TorrentInfo::filePieces(const int fileIndex) const
 void TorrentInfo::renameFile(const int index, const QString &newPath)
 {
     if (!isValid()) return;
-    nativeInfo()->rename_file(index, Utils::Fs::toNativePath(newPath).toStdString());
+    nativeInfo()->rename_file(LTFileIndex {index}, Utils::Fs::toNativePath(newPath).toStdString());
 }
 
 int BitTorrent::TorrentInfo::fileIndex(const QString &fileName) const
@@ -428,7 +428,7 @@ void TorrentInfo::stripRootFolder()
     if (files.name() != testName) {
         files.set_name(testName);
         for (int i = 0; i < files.num_files(); ++i)
-            files.rename_file(i, files.file_path(i));
+            files.rename_file(LTFileIndex {i}, files.file_path(LTFileIndex {i}));
     }
 
     files.set_name("");

src/gui/advancedsettings.cpp

@@ -96,7 +96,6 @@ enum AdvSettingsRows
     DISK_CACHE,
     DISK_CACHE_TTL,
     OS_CACHE,
-    GUIDED_READ_CACHE,
     COALESCE_RW,
     SUGGEST_MODE,
     SEND_BUF_WATERMARK,
@@ -166,8 +165,6 @@ void AdvancedSettings::saveAdvancedSettings()
     session->setDiskCacheTTL(spinBoxCacheTTL.value());
     // Enable OS cache
     session->setUseOSCache(checkBoxOsCache.isChecked());
-    // Guided read cache
-    session->setGuidedReadCacheEnabled(checkBoxGuidedReadCache.isChecked());
     // Coalesce reads & writes
     session->setCoalesceReadWriteEnabled(checkBoxCoalesceRW.isChecked());
     // Suggest mode
@@ -382,10 +379,6 @@ void AdvancedSettings::loadAdvancedSettings()
     checkBoxOsCache.setChecked(session->useOSCache());
     addRow(OS_CACHE, (tr("Enable OS cache") + ' ' + makeLink("https://www.libtorrent.org/reference-Settings.html#disk_io_write_mode", "(?)"))
             , &checkBoxOsCache);
-    // Guided read cache
-    checkBoxGuidedReadCache.setChecked(session->isGuidedReadCacheEnabled());
-    addRow(GUIDED_READ_CACHE, (tr("Guided read cache") + ' ' + makeLink("https://www.libtorrent.org/reference-Settings.html#guided_read_cache", "(?)"))
-            , &checkBoxGuidedReadCache);
     // Coalesce reads & writes
     checkBoxCoalesceRW.setChecked(session->isCoalesceReadWriteEnabled());
     addRow(COALESCE_RW, (tr("Coalesce reads & writes") + ' ' + makeLink("https://www.libtorrent.org/reference-Settings.html#coalesce_reads", "(?)"))

src/gui/advancedsettings.h

@@ -64,7 +64,7 @@ private:
     QCheckBox checkBoxOsCache, checkBoxRecheckCompleted, checkBoxResolveCountries, checkBoxResolveHosts, checkBoxSuperSeeding,
               checkBoxProgramNotifications, checkBoxTorrentAddedNotifications, checkBoxTrackerFavicon, checkBoxTrackerStatus,
               checkBoxConfirmTorrentRecheck, checkBoxConfirmRemoveAllTags, checkBoxListenIPv6, checkBoxAnnounceAllTrackers, checkBoxAnnounceAllTiers,
-              checkBoxGuidedReadCache, checkBoxMultiConnectionsPerIp, checkBoxSuggestMode, checkBoxCoalesceRW, checkBoxSpeedWidgetEnabled;
+              checkBoxMultiConnectionsPerIp, checkBoxSuggestMode, checkBoxCoalesceRW, checkBoxSpeedWidgetEnabled;
     QComboBox comboBoxInterface, comboBoxInterfaceAddress, comboBoxUtpMixedMode, comboBoxChokingAlgorithm, comboBoxSeedChokingAlgorithm;
     QLineEdit lineEditAnnounceIP;
 

src/gui/optionsdialog.cpp

@@ -211,7 +211,6 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     void (QComboBox::*qComboBoxCurrentIndexChanged)(int) = &QComboBox::currentIndexChanged;
     void (QSpinBox::*qSpinBoxValueChanged)(int) = &QSpinBox::valueChanged;
 
-    connect(m_ui->checkForceProxy, &QAbstractButton::toggled, this, &ThisType::enableForceProxy);
     connect(m_ui->comboProxyType, qComboBoxCurrentIndexChanged, this, &ThisType::enableProxy);
     connect(m_ui->checkRandomPort, &QAbstractButton::toggled, m_ui->spinPort, &ThisType::setDisabled);
 
@@ -353,7 +352,6 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     connect(m_ui->textProxyIP, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
     connect(m_ui->spinProxyPort, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
     connect(m_ui->checkProxyPeerConnecs, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
-    connect(m_ui->checkForceProxy, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->isProxyOnlyForTorrents, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->checkProxyAuth, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->textProxyUsername, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
@@ -728,7 +726,6 @@ void OptionsDialog::saveOptions()
     proxyConfigManager->setProxyConfiguration(proxyConf);
 
     session->setProxyPeerConnectionsEnabled(m_ui->checkProxyPeerConnecs->isChecked());
-    session->setForceProxyEnabled(m_ui->checkForceProxy->isChecked());
     // End Connection preferences
 
     // Bittorrent preferences
@@ -1057,8 +1054,6 @@ void OptionsDialog::loadOptions()
     m_ui->textProxyPassword->setText(proxyConf.password);
 
     m_ui->checkProxyPeerConnecs->setChecked(session->isProxyPeerConnectionsEnabled());
-    m_ui->checkForceProxy->setChecked(session->isForceProxyEnabled());
-    enableForceProxy(session->isForceProxyEnabled());
     m_ui->isProxyOnlyForTorrents->setChecked(proxyConfigManager->isProxyOnlyForTorrents());
     enableProxy(m_ui->comboProxyType->currentIndex());
 
@@ -1358,12 +1353,6 @@ void OptionsDialog::toggleComboRatioLimitAct()
     m_ui->comboRatioLimitAct->setEnabled(m_ui->checkMaxRatio->isChecked() || m_ui->checkMaxSeedingMinutes->isChecked());
 }
 
-void OptionsDialog::enableForceProxy(bool enable)
-{
-    m_ui->checkUPnP->setEnabled(!enable);
-    m_ui->checkLSD->setEnabled(!enable);
-}
-
 void OptionsDialog::enableProxy(int index)
 {
     if (index) {
@@ -1373,7 +1362,6 @@ void OptionsDialog::enableProxy(int index)
         m_ui->lblProxyPort->setEnabled(true);
         m_ui->spinProxyPort->setEnabled(true);
         m_ui->checkProxyPeerConnecs->setEnabled(true);
-        m_ui->checkForceProxy->setEnabled(true);
         if (index > 1) {
             m_ui->checkProxyAuth->setEnabled(true);
             m_ui->isProxyOnlyForTorrents->setEnabled(true);
@@ -1384,7 +1372,6 @@ void OptionsDialog::enableProxy(int index)
             m_ui->isProxyOnlyForTorrents->setEnabled(false);
             m_ui->isProxyOnlyForTorrents->setChecked(true);
         }
-        enableForceProxy(m_ui->checkForceProxy->isChecked());
     }
     else {
         //disable
@@ -1393,11 +1380,9 @@ void OptionsDialog::enableProxy(int index)
         m_ui->lblProxyPort->setEnabled(false);
         m_ui->spinProxyPort->setEnabled(false);
         m_ui->checkProxyPeerConnecs->setEnabled(false);
-        m_ui->checkForceProxy->setEnabled(false);
         m_ui->isProxyOnlyForTorrents->setEnabled(false);
         m_ui->checkProxyAuth->setEnabled(false);
         m_ui->checkProxyAuth->setChecked(false);
-        enableForceProxy(false);
     }
 }
 

src/gui/optionsdialog.h

@@ -87,7 +87,6 @@ public slots:
     void showConnectionTab();
 
 private slots:
-    void enableForceProxy(bool enable);
     void enableProxy(int index);
     void on_buttonBox_accepted();
     void closeEvent(QCloseEvent *e) override;

src/gui/optionsdialog.ui

@@ -1633,43 +1633,6 @@
                  </property>
                 </widget>
                </item>
-               <item>
-                <layout class="QHBoxLayout" name="forceProxyHorizontalLayout">
-                 <item>
-                  <widget class="QCheckBox" name="checkForceProxy">
-                   <property name="text">
-                    <string>Disable connections not supported by proxies</string>
-                   </property>
-                   <property name="checked">
-                    <bool>true</bool>
-                   </property>
-                  </widget>
-                 </item>
-                 <item>
-                  <widget class="QLabel" name="labelForceProxy">
-                   <property name="text">
-                    <string>(&lt;a href=&quot;https://github.com/qbittorrent/qBittorrent/wiki/Disable-connections-not-supported-by-proxies&quot;&gt;More information&lt;/a&gt;)</string>
-                   </property>
-                   <property name="openExternalLinks">
-                    <bool>true</bool>
-                   </property>
-                  </widget>
-                 </item>
-                 <item>
-                  <spacer name="horizontalSpacer_22">
-                   <property name="orientation">
-                    <enum>Qt::Horizontal</enum>
-                   </property>
-                   <property name="sizeHint" stdset="0">
-                    <size>
-                     <width>40</width>
-                     <height>20</height>
-                    </size>
-                   </property>
-                  </spacer>
-                 </item>
-                </layout>
-               </item>
                <item>
                 <widget class="QCheckBox" name="isProxyOnlyForTorrents">
                  <property name="toolTip">
@@ -3342,7 +3305,6 @@ Use ';' to split multiple entries. Can use wildcard '*'.</string>
   <tabstop>textProxyIP</tabstop>
   <tabstop>spinProxyPort</tabstop>
   <tabstop>checkProxyPeerConnecs</tabstop>
-  <tabstop>checkForceProxy</tabstop>
   <tabstop>isProxyOnlyForTorrents</tabstop>
   <tabstop>checkProxyAuth</tabstop>
   <tabstop>textProxyUsername</tabstop>

src/webui/api/appcontroller.cpp

@@ -159,7 +159,6 @@ void AppController::preferencesAction()
     data["proxy_password"] = proxyConf.password;
 
     data["proxy_peer_connections"] = session->isProxyPeerConnectionsEnabled();
-    data["force_proxy"] = session->isForceProxyEnabled();
     data["proxy_torrents_only"] = proxyManager->isProxyOnlyForTorrents();
 
     // IP Filtering
@@ -281,8 +280,6 @@ void AppController::preferencesAction()
     data["disk_cache_ttl"] = session->diskCacheTTL();
     // Enable OS cache
     data["enable_os_cache"] = session->useOSCache();
-    // Guided read cache
-    data["enable_guided_read_cache"] = session->isGuidedReadCacheEnabled();
     // Coalesce reads & writes
     data["enable_coalesce_read_write"] = session->isCoalesceReadWriteEnabled();
     // Suggest mode
@@ -467,8 +464,6 @@ void AppController::setPreferencesAction()
 
     if (hasKey("proxy_peer_connections"))
         session->setProxyPeerConnectionsEnabled(it.value().toBool());
-    if (hasKey("force_proxy"))
-        session->setForceProxyEnabled(it.value().toBool());
     if (hasKey("proxy_torrents_only"))
         proxyManager->setProxyOnlyForTorrents(it.value().toBool());
 
@@ -693,9 +688,6 @@ void AppController::setPreferencesAction()
     // Enable OS cache
     if (hasKey("enable_os_cache"))
         session->setUseOSCache(it.value().toBool());
-    // Guided read cache
-    if (hasKey("enable_guided_read_cache"))
-        session->setGuidedReadCacheEnabled(it.value().toBool());
     // Coalesce reads & writes
     if (hasKey("enable_coalesce_read_write"))
         session->setCoalesceReadWriteEnabled(it.value().toBool());

src/webui/www/private/preferences_content.html

@@ -321,10 +321,6 @@
             <input type="checkbox" id="use_peer_proxy_checkbox" />
             <label for="use_peer_proxy_checkbox">QBT_TR(Use proxy for peer connections)QBT_TR[CONTEXT=OptionsDialog]</label>
         </div>
-        <div class="formRow">
-            <input type="checkbox" id="force_proxy_checkbox" onclick="updateForceProxySettings();" />
-            <label for="force_proxy_checkbox">QBT_TR(Disable connections not supported by proxies)QBT_TR[CONTEXT=OptionsDialog] (<a target="_blank" href="https://github.com/qbittorrent/qBittorrent/wiki/Disable-connections-not-supported-by-proxies">QBT_TR(More information)QBT_TR[CONTEXT=HttpServer]</a>)</label>
-        </div>
         <div class="formRow">
             <input type="checkbox" id="proxy_only_for_torrents_checkbox" />
             <label for="proxy_only_for_torrents_checkbox">QBT_TR(Use proxy only for torrents)QBT_TR[CONTEXT=OptionsDialog]</label>
@@ -924,14 +920,6 @@
                     <input type="checkbox" id="enableOSCache" />
                 </td>
             </tr>
-            <tr>
-                <td>
-                    <label for="guidedReadCache">QBT_TR(Guided read cache:)QBT_TR[CONTEXT=OptionsDialog]&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#guided_read_cache" target="_blank">(?)</a></label>
-                </td>
-                <td>
-                    <input type="checkbox" id="guidedReadCache" />
-                </td>
-            </tr>
             <tr>
                 <td>
                     <label for="coalesceReadsAndWrites">QBT_TR(Coalesce reads & writes:)QBT_TR[CONTEXT=OptionsDialog]&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#coalesce_reads" target="_blank">(?)</a></label>
@@ -1237,7 +1225,6 @@
         $('peer_proxy_host_text').setProperty('disabled', !isPeerProxyTypeSelected);
         $('peer_proxy_port_value').setProperty('disabled', !isPeerProxyTypeSelected);
         $('use_peer_proxy_checkbox').setProperty('disabled', !isPeerProxyTypeSelected);
-        $('force_proxy_checkbox').setProperty('disabled', !isPeerProxyTypeSelected);
         $('proxy_only_for_torrents_checkbox').setProperty('disabled', !isPeerProxyTypeSelected);
 
         if (isPeerProxyTypeSelected) {
@@ -1254,14 +1241,6 @@
             $('peer_proxy_auth_checkbox').setProperty('checked', isPeerProxyTypeSelected);
             updatePeerProxyAuthSettings();
         }
-
-        updateForceProxySettings();
-    };
-
-    var updateForceProxySettings = function() {
-        var isForceProxyEnabled = (!$('force_proxy_checkbox').getProperty('disabled')) && ($('force_proxy_checkbox').getProperty('checked'));
-        $('upnp_checkbox').setProperty('disabled', isForceProxyEnabled);
-        $('lsd_checkbox').setProperty('disabled', isForceProxyEnabled);
     };
 
     var updatePeerProxyAuthSettings = function() {
@@ -1568,8 +1547,6 @@
                     $('peer_proxy_host_text').setProperty('value', pref.proxy_ip);
                     $('peer_proxy_port_value').setProperty('value', pref.proxy_port);
                     $('use_peer_proxy_checkbox').setProperty('checked', pref.proxy_peer_connections);
-                    $('force_proxy_checkbox').setProperty('checked', pref.force_proxy);
-                    updateForceProxySettings();
                     $('proxy_only_for_torrents_checkbox').setProperty('checked', pref.proxy_torrents_only);
                     $('peer_proxy_auth_checkbox').setProperty('checked', pref.proxy_auth_enabled);
                     updatePeerProxyAuthSettings();
@@ -1703,7 +1680,6 @@
                     $('diskCache').setProperty('value', pref.disk_cache);
                     $('diskCacheExpiryInterval').setProperty('value', pref.disk_cache_ttl);
                     $('enableOSCache').setProperty('checked', pref.enable_os_cache);
-                    $('guidedReadCache').setProperty('checked', pref.enable_guided_read_cache);
                     $('coalesceReadsAndWrites').setProperty('checked', pref.enable_coalesce_read_write);
                     $('sendUploadPieceSuggestions').setProperty('checked', pref.enable_upload_suggestions);
                     $('sendBufferWatermark').setProperty('value', pref.send_buffer_watermark);
@@ -1856,7 +1832,6 @@
         settings.set('proxy_ip', $('peer_proxy_host_text').getProperty('value'));
         settings.set('proxy_port', $('peer_proxy_port_value').getProperty('value').toInt());
         settings.set('proxy_peer_connections', $('use_peer_proxy_checkbox').getProperty('checked'));
-        settings.set('force_proxy', $('force_proxy_checkbox').getProperty('checked'));
         settings.set('proxy_torrents_only', $('proxy_only_for_torrents_checkbox').getProperty('checked'));
         settings.set('proxy_username', $('peer_proxy_username_text').getProperty('value'));
         settings.set('proxy_password', $('peer_proxy_password_text').getProperty('value'));
@@ -2069,7 +2044,6 @@
         settings.set('disk_cache', $('diskCache').getProperty('value'));
         settings.set('disk_cache_ttl', $('diskCacheExpiryInterval').getProperty('value'));
         settings.set('enable_os_cache', $('enableOSCache').getProperty('checked'));
-        settings.set('enable_guided_read_cache', $('guidedReadCache').getProperty('checked'));
         settings.set('enable_coalesce_read_write', $('coalesceReadsAndWrites').getProperty('checked'));
         settings.set('enable_upload_suggestions', $('sendUploadPieceSuggestions').getProperty('checked'));
         settings.set('send_buffer_watermark', $('sendBufferWatermark').getProperty('value'));