- Peer Exchange can be disabled from preferences

Changelog

@@ -1,6 +1,7 @@
 * Unreleased - Christophe Dumez <chris@qbittorrent.org> - v2.1.0
     - FEATURE: Torrents can be labeled/categorized
     - FEATURE: Disk cache size can be set from preferences
+    - FEATURE: Peer Exchange (PeX) can be disabled from preferences
 
 * Thu Dec 10 2009 - Christophe Dumez <chris@qbittorrent.org> - v2.0.0
     - FEATURE: Added program option to disable splash screen

src/bittorrent.cpp

@@ -88,7 +88,12 @@ Bittorrent::Bittorrent() : preAllocateAll(false), addInPause(false), ratio_limit
 #ifdef LIBTORRENT_0_15
   s->add_extension(create_lt_trackers_plugin);
 #endif
-  s->add_extension(&create_ut_pex_plugin);
+  if(Preferences::isPeXEnabled()) {
+    PeXEnabled = true;
+    s->add_extension(&create_ut_pex_plugin);
+  } else {
+    PeXEnabled = false;
+  }
   s->add_extension(&create_smart_ban_plugin);
   timerAlerts = new QTimer();
   connect(timerAlerts, SIGNAL(timeout()), this, SLOT(readAlerts()));
@@ -361,7 +366,14 @@ void Bittorrent::configureSession() {
     addConsoleMessage(tr("DHT support [OFF]"), QString::fromUtf8("blue"));
   }
   // * PeX
-  addConsoleMessage(tr("PeX support [ON]"), QString::fromUtf8("blue"));
+  if(PeXEnabled) {
+    addConsoleMessage(tr("PeX support [ON]"), QString::fromUtf8("blue"));
+  } else {
+    addConsoleMessage(tr("PeX support [OFF]"), QString::fromUtf8("red"));
+  }
+  if(PeXEnabled != Preferences::isPeXEnabled()) {
+    addConsoleMessage(tr("Restart is required to toggle PeX support"), QString::fromUtf8("red"));
+  }
   // * LSD
   if(Preferences::isLSDEnabled()) {
     enableLSD(true);

src/bittorrent.h

@@ -107,6 +107,7 @@ private:
   bool NATPMPEnabled;
   bool LSDEnabled;
   bool DHTEnabled;
+  bool PeXEnabled;
   bool queueingEnabled;
   QString defaultSavePath;
   QString defaultTempPath;

src/options_imp.cpp

@@ -214,6 +214,7 @@ options_imp::options_imp(QWidget *parent):QDialog(parent){
   connect(spinMaxConnecPerTorrent, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(spinMaxUploadsPerTorrent, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(checkDHT, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
+  connect(checkPeX, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(checkDifferentDHTPort, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(spinDHTPort, SIGNAL(valueChanged(QString)), this, SLOT(enableApplyButton()));
   connect(checkLSD, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
@@ -427,6 +428,7 @@ void options_imp::saveOptions(){
   settings.setValue(QString::fromUtf8("MaxConnecsPerTorrent"), getMaxConnecsPerTorrent());
   settings.setValue(QString::fromUtf8("MaxUploadsPerTorrent"), getMaxUploadsPerTorrent());
   settings.setValue(QString::fromUtf8("DHT"), isDHTEnabled());
+  settings.setValue(QString::fromUtf8("PeX"), checkPeX->isChecked());
   settings.setValue(QString::fromUtf8("sameDHTPortAsBT"), isDHTPortSameAsBT());
   settings.setValue(QString::fromUtf8("DHTPort"), getDHTPort());
   settings.setValue(QString::fromUtf8("LSD"), isLSDEnabled());
@@ -713,6 +715,7 @@ void options_imp::loadOptions(){
   checkDifferentDHTPort->setChecked(!Preferences::isDHTPortSameAsBT());
   enableDHTPortSettings(checkDifferentDHTPort->isChecked());
   spinDHTPort->setValue(Preferences::getDHTPort());
+  checkPeX->setChecked(Preferences::isPeXEnabled());
   checkLSD->setChecked(Preferences::isLSDEnabled());
   checkAzureusSpoof->setChecked(Preferences::isUtorrentSpoofingEnabled());
   comboEncryption->setCurrentIndex(Preferences::getEncryptionSetting());

src/preferences.h

@@ -348,6 +348,11 @@ public:
     return settings.value(QString::fromUtf8("Preferences/Bittorrent/DHT"), true).toBool();
   }
 
+  static bool isPeXEnabled() {
+    QSettings settings("qBittorrent", "qBittorrent");
+    return settings.value(QString::fromUtf8("Preferences/Bittorrent/PeX"), true).toBool();
+  }
+
   static void setDHTEnabled(bool enabled) {
     QSettings settings("qBittorrent", "qBittorrent");
     settings.setValue(QString::fromUtf8("Preferences/Bittorrent/DHT"), enabled);

src/ui/options.ui

@@ -639,7 +639,7 @@
               <x>0</x>
               <y>0</y>
               <width>642</width>
-              <height>457</height>
+              <height>472</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_17">
@@ -1125,7 +1125,7 @@
              <rect>
               <x>0</x>
               <y>0</y>
-              <width>451</width>
+              <width>602</width>
               <height>513</height>
              </rect>
             </property>
@@ -1546,8 +1546,8 @@
              <rect>
               <x>0</x>
               <y>0</y>
-              <width>468</width>
-              <height>347</height>
+              <width>620</width>
+              <height>490</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_19">
@@ -1636,6 +1636,16 @@
                   </item>
                  </layout>
                 </item>
+                <item>
+                 <widget class="QCheckBox" name="checkPeX">
+                  <property name="text">
+                   <string>Enable Peer Exchange / PeX (requires restart)</string>
+                  </property>
+                  <property name="checked">
+                   <bool>true</bool>
+                  </property>
+                 </widget>
+                </item>
                 <item>
                  <widget class="QCheckBox" name="checkLSD">
                   <property name="text">