Expose ToS setting from libtorrent

Closes #14420.

src/base/bittorrent/session.cpp

@@ -372,6 +372,7 @@ Session::Session(QObject *parent)
     , m_outgoingPortsMin(BITTORRENT_SESSION_KEY("OutgoingPortsMin"), 0)
     , m_outgoingPortsMax(BITTORRENT_SESSION_KEY("OutgoingPortsMax"), 0)
     , m_UPnPLeaseDuration(BITTORRENT_SESSION_KEY("UPnPLeaseDuration"), 0)
+    , m_peerToS(BITTORRENT_SESSION_KEY("PeerToS"), 0x20)
     , m_ignoreLimitsOnLAN(BITTORRENT_SESSION_KEY("IgnoreLimitsOnLAN"), false)
     , m_includeOverheadInLimits(BITTORRENT_SESSION_KEY("IncludeOverheadInLimits"), false)
     , m_announceIP(BITTORRENT_SESSION_KEY("AnnounceIP"))
@@ -1335,9 +1336,10 @@ void Session::loadLTSettings(lt::settings_pack &settingsPack)
     // Outgoing ports
     settingsPack.set_int(lt::settings_pack::outgoing_port, outgoingPortsMin());
     settingsPack.set_int(lt::settings_pack::num_outgoing_ports, outgoingPortsMax() - outgoingPortsMin() + 1);
-
+    // UPnP lease duration
     settingsPack.set_int(lt::settings_pack::upnp_lease_duration, UPnPLeaseDuration());
-
+    // Type of service
+    settingsPack.set_int(lt::settings_pack::peer_tos, peerToS());
     // Include overhead in transfer limits
     settingsPack.set_bool(lt::settings_pack::rate_limit_ip_overhead, includeOverheadInLimits());
     // IP address to announce to trackers
@@ -3516,6 +3518,20 @@ void Session::setUPnPLeaseDuration(const int duration)
     }
 }
 
+int Session::peerToS() const
+{
+    return m_peerToS;
+}
+
+void Session::setPeerToS(const int value)
+{
+    if (value == m_peerToS)
+        return;
+
+    m_peerToS = value;
+    configureDeferred();
+}
+
 bool Session::ignoreLimitsOnLAN() const
 {
     return m_ignoreLimitsOnLAN;

src/base/bittorrent/session.h

@@ -384,6 +384,8 @@ namespace BitTorrent
         void setOutgoingPortsMax(int max);
         int UPnPLeaseDuration() const;
         void setUPnPLeaseDuration(int duration);
+        int peerToS() const;
+        void setPeerToS(int value);
         bool ignoreLimitsOnLAN() const;
         void setIgnoreLimitsOnLAN(bool ignore);
         bool includeOverheadInLimits() const;
@@ -673,6 +675,7 @@ namespace BitTorrent
         CachedSettingValue<int> m_outgoingPortsMin;
         CachedSettingValue<int> m_outgoingPortsMax;
         CachedSettingValue<int> m_UPnPLeaseDuration;
+        CachedSettingValue<int> m_peerToS;
         CachedSettingValue<bool> m_ignoreLimitsOnLAN;
         CachedSettingValue<bool> m_includeOverheadInLimits;
         CachedSettingValue<QString> m_announceIP;

src/gui/advancedsettings.cpp

@@ -115,6 +115,7 @@ namespace
         OUTGOING_PORT_MIN,
         OUTGOING_PORT_MAX,
         UPNP_LEASE_DURATION,
+        PEER_TOS,
         UTP_MIX_MODE,
         IDN_SUPPORT,
         MULTI_CONNECTIONS_PER_IP,
@@ -223,6 +224,8 @@ void AdvancedSettings::saveAdvancedSettings()
     session->setOutgoingPortsMax(m_spinBoxOutgoingPortsMax.value());
     // UPnP lease duration
     session->setUPnPLeaseDuration(m_spinBoxUPnPLeaseDuration.value());
+    // Type of service
+    session->setPeerToS(m_spinBoxPeerToS.value());
     // uTP-TCP mixed mode
     session->setUtpMixedMode(static_cast<BitTorrent::MixedModeAlgorithm>(m_comboBoxUtpMixedMode.currentIndex()));
     // Support internationalized domain name (IDN)
@@ -542,6 +545,12 @@ void AdvancedSettings::loadAdvancedSettings()
     m_spinBoxUPnPLeaseDuration.setSuffix(tr(" s", " seconds"));
     addRow(UPNP_LEASE_DURATION, (tr("UPnP lease duration [0: Permanent lease]") + ' ' + makeLink("https://www.libtorrent.org/reference-Settings.html#upnp_lease_duration", "(?)"))
         , &m_spinBoxUPnPLeaseDuration);
+    // Type of service
+    m_spinBoxPeerToS.setMinimum(0);
+    m_spinBoxPeerToS.setMaximum(255);
+    m_spinBoxPeerToS.setValue(session->peerToS());
+    addRow(PEER_TOS, (tr("Type of service (ToS) for connections to peers") + ' ' + makeLink("https://www.libtorrent.org/reference-Settings.html#peer_tos", "(?)"))
+        , &m_spinBoxPeerToS);
     // uTP-TCP mixed mode
     m_comboBoxUtpMixedMode.addItems({tr("Prefer TCP"), tr("Peer proportional (throttles TCP)")});
     m_comboBoxUtpMixedMode.setCurrentIndex(static_cast<int>(session->utpMixedMode()));

src/gui/advancedsettings.h

@@ -61,7 +61,7 @@ private:
     template <typename T> void addRow(int row, const QString &text, T *widget);
 
     QSpinBox m_spinBoxAsyncIOThreads, m_spinBoxFilePoolSize, m_spinBoxCheckingMemUsage,
-             m_spinBoxSaveResumeDataInterval, m_spinBoxOutgoingPortsMin, m_spinBoxOutgoingPortsMax, m_spinBoxUPnPLeaseDuration,
+             m_spinBoxSaveResumeDataInterval, m_spinBoxOutgoingPortsMin, m_spinBoxOutgoingPortsMax, m_spinBoxUPnPLeaseDuration, m_spinBoxPeerToS,
              m_spinBoxListRefresh, m_spinBoxTrackerPort, m_spinBoxSendBufferWatermark, m_spinBoxSendBufferLowWatermark,
              m_spinBoxSendBufferWatermarkFactor, m_spinBoxSocketBacklogSize, m_spinBoxMaxConcurrentHTTPAnnounces, m_spinBoxStopTrackerTimeout,
              m_spinBoxSavePathHistoryLength, m_spinBoxPeerTurnover, m_spinBoxPeerTurnoverCutoff, m_spinBoxPeerTurnoverInterval;

src/webui/api/appcontroller.cpp

@@ -309,6 +309,8 @@ void AppController::preferencesAction()
     data["outgoing_ports_max"] = session->outgoingPortsMax();
     // UPnP lease duration
     data["upnp_lease_duration"] = session->UPnPLeaseDuration();
+    // Type of service
+    data["peer_tos"] = session->peerToS();
     // uTP-TCP mixed mode
     data["utp_tcp_mixed_mode"] = static_cast<int>(session->utpMixedMode());
     // Support internationalized domain name (IDN)
@@ -772,6 +774,9 @@ void AppController::setPreferencesAction()
     // UPnP lease duration
     if (hasKey("upnp_lease_duration"))
         session->setUPnPLeaseDuration(it.value().toInt());
+    // Type of service
+    if (hasKey("peer_tos"))
+        session->setPeerToS(it.value().toInt());
     // uTP-TCP mixed mode
     if (hasKey("utp_tcp_mixed_mode"))
         session->setUtpMixedMode(static_cast<BitTorrent::MixedModeAlgorithm>(it.value().toInt()));

src/webui/www/private/views/preferences.html

@@ -1094,6 +1094,14 @@
                     <input type="text" id="UPnPLeaseDuration" style="width: 15em;" />
                 </td>
             </tr>
+            <tr>
+                <td>
+                    <label for="peerToS">QBT_TR(Type of service (ToS) for connections to peers)QBT_TR[CONTEXT=OptionsDialog]&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#peer_tos" target="_blank">(?)</a></label>
+                </td>
+                <td>
+                    <input type="text" id="peerToS" style="width: 15em;" />
+                </td>
+            </tr>
             <tr>
                 <td>
                     <label for="utpTCPMixedModeAlgorithm">QBT_TR(μTP-TCP mixed mode algorithm:)QBT_TR[CONTEXT=OptionsDialog]&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#mixed_mode_algorithm" target="_blank">(?)</a></label>
@@ -1920,6 +1928,7 @@
                         $('outgoingPortsMin').setProperty('value', pref.outgoing_ports_min);
                         $('outgoingPortsMax').setProperty('value', pref.outgoing_ports_max);
                         $('UPnPLeaseDuration').setProperty('value', pref.upnp_lease_duration);
+                        $('peerToS').setProperty('value', pref.peer_tos);
                         $('utpTCPMixedModeAlgorithm').setProperty('value', pref.utp_tcp_mixed_mode);
                         $('IDNSupportCheckbox').setProperty('checked', pref.idn_support_enabled);
                         $('allowMultipleConnectionsFromTheSameIPAddress').setProperty('checked', pref.enable_multi_connections_from_same_ip);
@@ -2308,6 +2317,7 @@
             settings.set('outgoing_ports_min', $('outgoingPortsMin').getProperty('value'));
             settings.set('outgoing_ports_max', $('outgoingPortsMax').getProperty('value'));
             settings.set('upnp_lease_duration', $('UPnPLeaseDuration').getProperty('value'));
+            settings.set('peer_tos', $('peerToS').getProperty('value'));
             settings.set('utp_tcp_mixed_mode', $('utpTCPMixedModeAlgorithm').getProperty('value'));
             settings.set('idn_support_enabled', $('IDNSupportCheckbox').getProperty('checked'));
             settings.set('enable_multi_connections_from_same_ip', $('allowMultipleConnectionsFromTheSameIPAddress').getProperty('checked'));