Expose libtorrent max_concurrent_http_announces in advanced settings

src/base/bittorrent/session.cpp

@@ -318,6 +318,7 @@ Session::Session(QObject *parent)
     , m_ignoreLimitsOnLAN(BITTORRENT_SESSION_KEY("IgnoreLimitsOnLAN"), false)
     , m_includeOverheadInLimits(BITTORRENT_SESSION_KEY("IncludeOverheadInLimits"), false)
     , m_announceIP(BITTORRENT_SESSION_KEY("AnnounceIP"))
+    , m_maxConcurrentHTTPAnnounces(BITTORRENT_SESSION_KEY("MaxConcurrentHTTPAnnounces"), 50)
 #if (LIBTORRENT_VERSION_NUM >= 10206)
     , m_stopTrackerTimeout(BITTORRENT_SESSION_KEY("StopTrackerTimeout"), 5)
 #else
@@ -1279,6 +1280,10 @@ void Session::loadLTSettings(lt::settings_pack &settingsPack)
     settingsPack.set_bool(lt::settings_pack::rate_limit_ip_overhead, includeOverheadInLimits());
     // IP address to announce to trackers
     settingsPack.set_str(lt::settings_pack::announce_ip, announceIP().toStdString());
+#if (LIBTORRENT_VERSION_NUM >= 10207)
+    // Max concurrent HTTP announces
+    settingsPack.set_int(lt::settings_pack::max_concurrent_http_announces, maxConcurrentHTTPAnnounces());
+#endif
     // Stop tracker timeout
     settingsPack.set_int(lt::settings_pack::stop_tracker_timeout, stopTrackerTimeout());
     // * Max connections limit
@@ -3377,6 +3382,20 @@ void Session::setAnnounceIP(const QString &ip)
     }
 }
 
+int Session::maxConcurrentHTTPAnnounces() const
+{
+    return m_maxConcurrentHTTPAnnounces;
+}
+
+void Session::setMaxConcurrentHTTPAnnounces(const int value)
+{
+    if (value == m_maxConcurrentHTTPAnnounces)
+        return;
+
+    m_maxConcurrentHTTPAnnounces = value;
+    configureDeferred();
+}
+
 int Session::stopTrackerTimeout() const
 {
     return m_stopTrackerTimeout;

src/base/bittorrent/session.h

@@ -390,6 +390,8 @@ namespace BitTorrent
         void setIncludeOverheadInLimits(bool include);
         QString announceIP() const;
         void setAnnounceIP(const QString &ip);
+        int maxConcurrentHTTPAnnounces() const;
+        void setMaxConcurrentHTTPAnnounces(int value);
         int stopTrackerTimeout() const;
         void setStopTrackerTimeout(int value);
         int maxConnections() const;
@@ -674,6 +676,7 @@ namespace BitTorrent
         CachedSettingValue<bool> m_ignoreLimitsOnLAN;
         CachedSettingValue<bool> m_includeOverheadInLimits;
         CachedSettingValue<QString> m_announceIP;
+        CachedSettingValue<int> m_maxConcurrentHTTPAnnounces;
         CachedSettingValue<int> m_stopTrackerTimeout;
         CachedSettingValue<int> m_maxConnections;
         CachedSettingValue<int> m_maxUploads;

src/gui/advancedsettings.cpp

@@ -121,6 +121,9 @@ enum AdvSettingsRows
     ANNOUNCE_ALL_TRACKERS,
     ANNOUNCE_ALL_TIERS,
     ANNOUNCE_IP,
+#if (LIBTORRENT_VERSION_NUM >= 10207)
+    MAX_CONCURRENT_HTTP_ANNOUNCES,
+#endif
     STOP_TRACKER_TIMEOUT,
     PEER_TURNOVER,
     PEER_TURNOVER_CUTOFF,
@@ -252,6 +255,10 @@ void AdvancedSettings::saveAdvancedSettings()
     // Construct a QHostAddress to filter malformed strings
     const QHostAddress addr(m_lineEditAnnounceIP.text().trimmed());
     session->setAnnounceIP(addr.toString());
+#if (LIBTORRENT_VERSION_NUM >= 10207)
+    // Max concurrent HTTP announces
+    session->setMaxConcurrentHTTPAnnounces(m_spinBoxMaxConcurrentHTTPAnnounces.value());
+#endif
     // Stop tracker timeout
     session->setStopTrackerTimeout(m_spinBoxStopTrackerTimeout.value());
     // Program notification
@@ -559,7 +566,13 @@ void AdvancedSettings::loadAdvancedSettings()
     // Announce IP
     m_lineEditAnnounceIP.setText(session->announceIP());
     addRow(ANNOUNCE_IP, tr("IP Address to report to trackers (requires restart)"), &m_lineEditAnnounceIP);
-    // stop tracker timeout
+#if (LIBTORRENT_VERSION_NUM >= 10207)
+    // Max concurrent HTTP announces
+    m_spinBoxMaxConcurrentHTTPAnnounces.setValue(session->maxConcurrentHTTPAnnounces());
+    addRow(MAX_CONCURRENT_HTTP_ANNOUNCES, (tr("Max concurrent HTTP announces") + ' ' + makeLink("https://www.libtorrent.org/reference-Settings.html#max_concurrent_http_announces", "(?)"))
+           , &m_spinBoxMaxConcurrentHTTPAnnounces);
+#endif
+    // Stop tracker timeout
     m_spinBoxStopTrackerTimeout.setValue(session->stopTrackerTimeout());
     m_spinBoxStopTrackerTimeout.setSuffix(tr(" s", " seconds"));
     addRow(STOP_TRACKER_TIMEOUT, (tr("Stop tracker timeout") + ' ' + makeLink("https://www.libtorrent.org/reference-Settings.html#stop_tracker_timeout", "(?)"))

src/gui/advancedsettings.h

@@ -60,8 +60,8 @@ private:
     QSpinBox m_spinBoxAsyncIOThreads, m_spinBoxFilePoolSize, m_spinBoxCheckingMemUsage, m_spinBoxCache,
              m_spinBoxSaveResumeDataInterval, m_spinBoxOutgoingPortsMin, m_spinBoxOutgoingPortsMax, m_spinBoxUPnPLeaseDuration,
              m_spinBoxListRefresh, m_spinBoxTrackerPort, m_spinBoxCacheTTL, m_spinBoxSendBufferWatermark, m_spinBoxSendBufferLowWatermark,
-             m_spinBoxSendBufferWatermarkFactor, m_spinBoxSocketBacklogSize, m_spinBoxStopTrackerTimeout, m_spinBoxSavePathHistoryLength,
+             m_spinBoxSendBufferWatermarkFactor, m_spinBoxSocketBacklogSize, m_spinBoxMaxConcurrentHTTPAnnounces, m_spinBoxStopTrackerTimeout,
-             m_spinBoxPeerTurnover, m_spinBoxPeerTurnoverCutoff, m_spinBoxPeerTurnoverInterval;
+             m_spinBoxSavePathHistoryLength, m_spinBoxPeerTurnover, m_spinBoxPeerTurnoverCutoff, m_spinBoxPeerTurnoverInterval;
     QCheckBox m_checkBoxOsCache, m_checkBoxRecheckCompleted, m_checkBoxResolveCountries, m_checkBoxResolveHosts,
               m_checkBoxProgramNotifications, m_checkBoxTorrentAddedNotifications, m_checkBoxTrackerFavicon, m_checkBoxTrackerStatus,
               m_checkBoxConfirmTorrentRecheck, m_checkBoxConfirmRemoveAllTags, m_checkBoxAnnounceAllTrackers, m_checkBoxAnnounceAllTiers,

src/webui/api/appcontroller.cpp

@@ -320,7 +320,7 @@ void AppController::preferencesAction()
     data["announce_to_all_trackers"] = session->announceToAllTrackers();
     data["announce_to_all_tiers"] = session->announceToAllTiers();
     data["announce_ip"] = session->announceIP();
-    // Stop tracker timeout
+    data["max_concurrent_http_announces"] = session->maxConcurrentHTTPAnnounces();
     data["stop_tracker_timeout"] = session->stopTrackerTimeout();
     // Peer Turnover
     data["peer_turnover"] = session->peerTurnover();
@@ -769,7 +769,8 @@ void AppController::setPreferencesAction()
         const QHostAddress announceAddr {it.value().toString().trimmed()};
         session->setAnnounceIP(announceAddr.isNull() ? QString {} : announceAddr.toString());
     }
-    // Stop tracker timeout
+    if (hasKey("max_concurrent_http_announces"))
+        session->setMaxConcurrentHTTPAnnounces(it.value().toInt());
     if (hasKey("stop_tracker_timeout"))
         session->setStopTrackerTimeout(it.value().toInt());
     // Peer Turnover

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

@@ -1153,6 +1153,14 @@
                     <input type="text" id="announceIP" style="width: 15em;" />
                 </td>
             </tr>
+            <tr>
+                <td>
+                    <label for="maxConcurrentHTTPAnnounces">QBT_TR(Max concurrent HTTP announces (requires libtorrent >= 1.2.7):)QBT_TR[CONTEXT=OptionsDialog]&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#max_concurrent_http_announces" target="_blank">(?)</a></label>
+                </td>
+                <td>
+                    <input type="text" id="maxConcurrentHTTPAnnounces" style="width: 15em;" />
+                </td>
+             </tr>
             <tr>
                 <td>
                     <label for="stopTrackerTimeout">QBT_TR(Stop tracker timeout:)QBT_TR[CONTEXT=OptionsDialog]&nbsp;<a href="https://www.libtorrent.org/reference-Settings.html#stop_tracker_timeout" target="_blank">(?)</a></label>
@@ -1880,6 +1888,7 @@
                         $('announceAllTrackers').setProperty('checked', pref.announce_to_all_trackers);
                         $('announceAllTiers').setProperty('checked', pref.announce_to_all_tiers);
                         $('announceIP').setProperty('value', pref.announce_ip);
+                        $('maxConcurrentHTTPAnnounces').setProperty('value', pref.max_concurrent_http_announces);
                         $('stopTrackerTimeout').setProperty('value', pref.stop_tracker_timeout);
                         $('peerTurnover').setProperty('value', pref.peer_turnover);
                         $('peerTurnoverCutoff').setProperty('value', pref.peer_turnover_cutoff);
@@ -2264,6 +2273,7 @@
             settings.set('announce_to_all_trackers', $('announceAllTrackers').getProperty('checked'));
             settings.set('announce_to_all_tiers', $('announceAllTiers').getProperty('checked'));
             settings.set('announce_ip', $('announceIP').getProperty('value'));
+            settings.set('max_concurrent_http_announces', $('maxConcurrentHTTPAnnounces').getProperty('value'));
             settings.set('stop_tracker_timeout', $('stopTrackerTimeout').getProperty('value'));
             settings.set('peer_turnover', $('peerTurnover').getProperty('value'));
             settings.set('peer_turnover_cutoff', $('peerTurnoverCutoff').getProperty('value'));