Move "memory priority" settings to Application class

src/app/application.cpp

@@ -129,6 +129,9 @@ Application::Application(int &argc, char **argv)
     , m_storeFileLoggerAgeType(FILELOGGER_SETTINGS_KEY(u"AgeType"_qs))
     , m_storeFileLoggerPath(FILELOGGER_SETTINGS_KEY(u"Path"_qs))
     , m_storeMemoryWorkingSetLimit(SETTINGS_KEY(u"MemoryWorkingSetLimit"_qs))
+#ifdef Q_OS_WIN
+    , m_processMemoryPriority(SETTINGS_KEY(u"ProcessMemoryPriority"_qs))
+#endif
 {
     qRegisterMetaType<Log::Msg>("Log::Msg");
     qRegisterMetaType<Log::Peer>("Log::Peer");
@@ -607,6 +610,7 @@ int Application::exec(const QStringList &params)
 #endif
 
 #ifdef Q_OS_WIN
+    applyMemoryPriority();
     adjustThreadPriority();
 #endif
 
@@ -822,6 +826,65 @@ void Application::applyMemoryWorkingSetLimit() const
 #endif
 
 #ifdef Q_OS_WIN
+MemoryPriority Application::processMemoryPriority() const
+{
+    return m_processMemoryPriority.get(MemoryPriority::BelowNormal);
+}
+
+void Application::setProcessMemoryPriority(const MemoryPriority priority)
+{
+    if (processMemoryPriority() == priority)
+        return;
+
+    m_processMemoryPriority = priority;
+    applyMemoryPriority();
+}
+
+void Application::applyMemoryPriority() const
+{
+    using SETPROCESSINFORMATION = BOOL (WINAPI *)(HANDLE, PROCESS_INFORMATION_CLASS, LPVOID, DWORD);
+    const auto setProcessInformation = Utils::Misc::loadWinAPI<SETPROCESSINFORMATION>(u"Kernel32.dll"_qs, "SetProcessInformation");
+    if (!setProcessInformation)  // only available on Windows >= 8
+        return;
+
+#if (_WIN32_WINNT < _WIN32_WINNT_WIN8)
+    // this dummy struct is required to compile successfully when targeting older Windows version
+    struct MEMORY_PRIORITY_INFORMATION
+    {
+        ULONG MemoryPriority;
+    };
+
+#define MEMORY_PRIORITY_LOWEST 0
+#define MEMORY_PRIORITY_VERY_LOW 1
+#define MEMORY_PRIORITY_LOW 2
+#define MEMORY_PRIORITY_MEDIUM 3
+#define MEMORY_PRIORITY_BELOW_NORMAL 4
+#define MEMORY_PRIORITY_NORMAL 5
+#endif
+
+    MEMORY_PRIORITY_INFORMATION prioInfo {};
+    switch (processMemoryPriority())
+    {
+    case MemoryPriority::Normal:
+    default:
+        prioInfo.MemoryPriority = MEMORY_PRIORITY_NORMAL;
+        break;
+    case MemoryPriority::BelowNormal:
+        prioInfo.MemoryPriority = MEMORY_PRIORITY_BELOW_NORMAL;
+        break;
+    case MemoryPriority::Medium:
+        prioInfo.MemoryPriority = MEMORY_PRIORITY_MEDIUM;
+        break;
+    case MemoryPriority::Low:
+        prioInfo.MemoryPriority = MEMORY_PRIORITY_LOW;
+        break;
+    case MemoryPriority::VeryLow:
+        prioInfo.MemoryPriority = MEMORY_PRIORITY_VERY_LOW;
+        break;
+    }
+    setProcessInformation(::GetCurrentProcess(), ProcessMemoryPriority, &prioInfo, sizeof(prioInfo));
+}
+
 void Application::adjustThreadPriority() const
 {
     // Workaround for improving responsiveness of qbt when CPU resources are scarce.

src/app/application.h

@@ -118,6 +118,11 @@ public:
     int memoryWorkingSetLimit() const override;
     void setMemoryWorkingSetLimit(int size) override;
 
+#ifdef Q_OS_WIN
+    MemoryPriority processMemoryPriority() const override;
+    void setProcessMemoryPriority(MemoryPriority priority) override;
+#endif
+
 #ifndef DISABLE_GUI
     MainWindow *mainWindow() override;
 #endif
@@ -151,6 +156,7 @@ private:
 #endif
 
 #ifdef Q_OS_WIN
+    void applyMemoryPriority() const;
     void adjustThreadPriority() const;
 #endif
 
@@ -183,6 +189,10 @@ private:
     SettingValue<Path> m_storeFileLoggerPath;
     SettingValue<int> m_storeMemoryWorkingSetLimit;
 
+#ifdef Q_OS_WIN
+    SettingValue<MemoryPriority> m_processMemoryPriority;
+#endif
+
 #ifndef DISABLE_GUI
     MainWindow *m_window = nullptr;
 #endif

src/app/upgrade.cpp

@@ -28,6 +28,7 @@
 
 #include "upgrade.h"
 
+#include <QtGlobal>
 #include <QMetaEnum>
 
 #include "base/bittorrent/torrentcontentlayout.h"
@@ -44,7 +45,7 @@
 
 namespace
 {
-    const int MIGRATION_VERSION = 3;
+    const int MIGRATION_VERSION = 4;
     const QString MIGRATION_VERSION_KEY = u"Meta/MigrationVersion"_qs;
 
     void exportWebUIHttpsFiles()
@@ -368,6 +369,21 @@ namespace
             }
         }
     }
+
+#ifdef Q_OS_WIN
+    void migrateMemoryPrioritySettings()
+    {
+        auto *settingsStorage = SettingsStorage::instance();
+        const QString oldKey = u"BitTorrent/OSMemoryPriority"_qs;
+        const QString newKey = u"Application/ProcessMemoryPriority"_qs;
+
+        if (settingsStorage->hasKey(oldKey))
+        {
+            const auto value = settingsStorage->loadValue<QVariant>(oldKey);
+            settingsStorage->storeValue(newKey, value);
+        }
+    }
+#endif
 }
 
 bool upgrade(const bool /*ask*/)
@@ -392,6 +408,11 @@ bool upgrade(const bool /*ask*/)
         if (version < 3)
             migrateProxySettingsEnum();
 
+#ifdef Q_OS_WIN
+        if (version < 4)
+            migrateMemoryPrioritySettings();
+#endif
+
         version = MIGRATION_VERSION;
     }
 

src/base/bittorrent/session.cpp

@@ -447,9 +447,6 @@ Session::Session(QObject *parent)
                         }
                  )
     , m_resumeDataStorageType(BITTORRENT_SESSION_KEY(u"ResumeDataStorageType"_qs), ResumeDataStorageType::Legacy)
-#if defined(Q_OS_WIN)
-    , m_OSMemoryPriority(BITTORRENT_KEY(u"OSMemoryPriority"_qs), OSMemoryPriority::BelowNormal)
-#endif
     , m_seedingLimitTimer {new QTimer {this}}
     , m_resumeDataTimer {new QTimer {this}}
     , m_statistics {new Statistics {this}}
@@ -1067,10 +1064,6 @@ void Session::configureComponents()
             disableIPFilter();
         m_IPFilteringConfigured = true;
     }
-
-#if defined(Q_OS_WIN)
-    applyOSMemoryPriority();
-#endif
 }
 
 void Session::prepareStartup()
@@ -3494,67 +3487,6 @@ bool Session::isRestored() const
     return m_isRestored;
 }
 
-#if defined(Q_OS_WIN)
-OSMemoryPriority Session::getOSMemoryPriority() const
-{
-    return m_OSMemoryPriority;
-}
-
-void Session::setOSMemoryPriority(const OSMemoryPriority priority)
-{
-    if (m_OSMemoryPriority == priority)
-        return;
-
-    m_OSMemoryPriority = priority;
-    configureDeferred();
-}
-
-void Session::applyOSMemoryPriority() const
-{
-    using SETPROCESSINFORMATION = BOOL (WINAPI *)(HANDLE, PROCESS_INFORMATION_CLASS, LPVOID, DWORD);
-    const auto setProcessInformation = Utils::Misc::loadWinAPI<SETPROCESSINFORMATION>(u"Kernel32.dll"_qs, "SetProcessInformation");
-    if (!setProcessInformation)  // only available on Windows >= 8
-        return;
-
-#if (_WIN32_WINNT < _WIN32_WINNT_WIN8)
-    // this dummy struct is required to compile successfully when targeting older Windows version
-    struct MEMORY_PRIORITY_INFORMATION
-    {
-        ULONG MemoryPriority;
-    };
-
-#define MEMORY_PRIORITY_LOWEST 0
-#define MEMORY_PRIORITY_VERY_LOW 1
-#define MEMORY_PRIORITY_LOW 2
-#define MEMORY_PRIORITY_MEDIUM 3
-#define MEMORY_PRIORITY_BELOW_NORMAL 4
-#define MEMORY_PRIORITY_NORMAL 5
-#endif
-
-    MEMORY_PRIORITY_INFORMATION prioInfo {};
-    switch (getOSMemoryPriority())
-    {
-    case OSMemoryPriority::Normal:
-    default:
-        prioInfo.MemoryPriority = MEMORY_PRIORITY_NORMAL;
-        break;
-    case OSMemoryPriority::BelowNormal:
-        prioInfo.MemoryPriority = MEMORY_PRIORITY_BELOW_NORMAL;
-        break;
-    case OSMemoryPriority::Medium:
-        prioInfo.MemoryPriority = MEMORY_PRIORITY_MEDIUM;
-        break;
-    case OSMemoryPriority::Low:
-        prioInfo.MemoryPriority = MEMORY_PRIORITY_LOW;
-        break;
-    case OSMemoryPriority::VeryLow:
-        prioInfo.MemoryPriority = MEMORY_PRIORITY_VERY_LOW;
-        break;
-    }
-    setProcessInformation(::GetCurrentProcess(), ProcessMemoryPriority, &prioInfo, sizeof(prioInfo));
-}
-#endif
-
 int Session::maxConnectionsPerTorrent() const
 {
     return m_maxConnectionsPerTorrent;

src/base/bittorrent/session.h

@@ -29,7 +29,6 @@
 
 #pragma once
 
-#include <memory>
 #include <variant>
 #include <vector>
 
@@ -151,18 +150,6 @@ namespace BitTorrent
             SQLite
         };
         Q_ENUM_NS(ResumeDataStorageType)
-
-#if defined(Q_OS_WIN)
-        enum class OSMemoryPriority : int
-        {
-            Normal = 0,
-            BelowNormal = 1,
-            Medium = 2,
-            Low = 3,
-            VeryLow = 4
-        };
-        Q_ENUM_NS(OSMemoryPriority)
-#endif
     }
 
     struct SessionMetricIndices
@@ -464,10 +451,6 @@ namespace BitTorrent
         void setBannedIPs(const QStringList &newList);
         ResumeDataStorageType resumeDataStorageType() const;
         void setResumeDataStorageType(ResumeDataStorageType type);
-#if defined(Q_OS_WIN)
-        OSMemoryPriority getOSMemoryPriority() const;
-        void setOSMemoryPriority(OSMemoryPriority priority);
-#endif
 
         bool isRestored() const;
 
@@ -629,9 +612,6 @@ namespace BitTorrent
         void populateAdditionalTrackers();
         void enableIPFilter();
         void disableIPFilter();
-#if defined(Q_OS_WIN)
-        void applyOSMemoryPriority() const;
-#endif
         void processTrackerStatuses();
         void populateExcludedFileNamesRegExpList();
         void prepareStartup();
@@ -795,9 +775,6 @@ namespace BitTorrent
         CachedSettingValue<QStringList> m_excludedFileNames;
         CachedSettingValue<QStringList> m_bannedIPs;
         CachedSettingValue<ResumeDataStorageType> m_resumeDataStorageType;
-#if defined(Q_OS_WIN)
-        CachedSettingValue<OSMemoryPriority> m_OSMemoryPriority;
-#endif
 
         bool m_isRestored = false;
 

src/base/interfaces/iapplication.h

@@ -30,11 +30,31 @@
 
 #pragma once
 
+#include <QtGlobal>
+#include <QMetaObject>
+
 class QString;
 
 class Path;
 struct QBtCommandLineParameters;
 
+#ifdef Q_OS_WIN
+inline namespace ApplicationSettingsEnums
+{
+    Q_NAMESPACE
+
+    enum class MemoryPriority : int
+    {
+        Normal = 0,
+        BelowNormal = 1,
+        Medium = 2,
+        Low = 3,
+        VeryLow = 4
+    };
+    Q_ENUM_NS(MemoryPriority)
+}
+#endif
+
 class IApplication
 {
 public:
@@ -58,4 +78,9 @@ public:
 
     virtual int memoryWorkingSetLimit() const = 0;
     virtual void setMemoryWorkingSetLimit(int size) = 0;
+
+#ifdef Q_OS_WIN
+    virtual MemoryPriority processMemoryPriority() const = 0;
+    virtual void setProcessMemoryPriority(MemoryPriority priority) = 0;
+#endif
 };

src/gui/advancedsettings.cpp

@@ -185,7 +185,7 @@ void AdvancedSettings::saveAdvancedSettings() const
     app()->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
 #endif
 #if defined(Q_OS_WIN)
-    session->setOSMemoryPriority(m_comboBoxOSMemoryPriority.currentData().value<BitTorrent::OSMemoryPriority>());
+    app()->setProcessMemoryPriority(m_comboBoxOSMemoryPriority.currentData().value<MemoryPriority>());
 #endif
     // Async IO threads
     session->setAsyncIOThreads(m_spinBoxAsyncIOThreads.value());
@@ -422,12 +422,12 @@ void AdvancedSettings::loadAdvancedSettings()
         , &m_spinBoxMemoryWorkingSetLimit);
 #endif
 #if defined(Q_OS_WIN)
-    m_comboBoxOSMemoryPriority.addItem(tr("Normal"), QVariant::fromValue(BitTorrent::OSMemoryPriority::Normal));
-    m_comboBoxOSMemoryPriority.addItem(tr("Below normal"), QVariant::fromValue(BitTorrent::OSMemoryPriority::BelowNormal));
-    m_comboBoxOSMemoryPriority.addItem(tr("Medium"), QVariant::fromValue(BitTorrent::OSMemoryPriority::Medium));
-    m_comboBoxOSMemoryPriority.addItem(tr("Low"), QVariant::fromValue(BitTorrent::OSMemoryPriority::Low));
-    m_comboBoxOSMemoryPriority.addItem(tr("Very low"), QVariant::fromValue(BitTorrent::OSMemoryPriority::VeryLow));
-    m_comboBoxOSMemoryPriority.setCurrentIndex(m_comboBoxOSMemoryPriority.findData(QVariant::fromValue(session->getOSMemoryPriority())));
+    m_comboBoxOSMemoryPriority.addItem(tr("Normal"), QVariant::fromValue(MemoryPriority::Normal));
+    m_comboBoxOSMemoryPriority.addItem(tr("Below normal"), QVariant::fromValue(MemoryPriority::BelowNormal));
+    m_comboBoxOSMemoryPriority.addItem(tr("Medium"), QVariant::fromValue(MemoryPriority::Medium));
+    m_comboBoxOSMemoryPriority.addItem(tr("Low"), QVariant::fromValue(MemoryPriority::Low));
+    m_comboBoxOSMemoryPriority.addItem(tr("Very low"), QVariant::fromValue(MemoryPriority::VeryLow));
+    m_comboBoxOSMemoryPriority.setCurrentIndex(m_comboBoxOSMemoryPriority.findData(QVariant::fromValue(app()->processMemoryPriority())));
     addRow(OS_MEMORY_PRIORITY, (tr("Process memory priority (Windows >= 8 only)")
         + u' ' + makeLink(u"https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-memory_priority_information", u"(?)"))
         , &m_comboBoxOSMemoryPriority);