Redesign torrent startup handling

src/base/CMakeLists.txt

@@ -12,6 +12,8 @@ bittorrent/peerinfo.h
 bittorrent/private/bandwidthscheduler.h
 bittorrent/private/filterparserthread.h
 bittorrent/private/ltunderlyingtype.h
+bittorrent/private/nativesessionextension.h
+bittorrent/private/nativetorrentextension.h
 bittorrent/private/portforwarderimpl.h
 bittorrent/private/resumedatasavingmanager.h
 bittorrent/private/speedmonitor.h
@@ -88,6 +90,8 @@ bittorrent/peeraddress.cpp
 bittorrent/peerinfo.cpp
 bittorrent/private/bandwidthscheduler.cpp
 bittorrent/private/filterparserthread.cpp
+bittorrent/private/nativesessionextension.cpp
+bittorrent/private/nativetorrentextension.cpp
 bittorrent/private/portforwarderimpl.cpp
 bittorrent/private/resumedatasavingmanager.cpp
 bittorrent/private/speedmonitor.cpp

src/base/base.pri

@@ -11,6 +11,8 @@ HEADERS += \
     $$PWD/bittorrent/private/bandwidthscheduler.h \
     $$PWD/bittorrent/private/filterparserthread.h \
     $$PWD/bittorrent/private/ltunderlyingtype.h \
+    $$PWD/bittorrent/private/nativesessionextension.h \
+    $$PWD/bittorrent/private/nativetorrentextension.h \
     $$PWD/bittorrent/private/portforwarderimpl.h \
     $$PWD/bittorrent/private/resumedatasavingmanager.h \
     $$PWD/bittorrent/private/speedmonitor.h \
@@ -87,6 +89,8 @@ SOURCES += \
     $$PWD/bittorrent/peerinfo.cpp \
     $$PWD/bittorrent/private/bandwidthscheduler.cpp \
     $$PWD/bittorrent/private/filterparserthread.cpp \
+    $$PWD/bittorrent/private/nativesessionextension.cpp \
+    $$PWD/bittorrent/private/nativetorrentextension.cpp \
     $$PWD/bittorrent/private/portforwarderimpl.cpp \
     $$PWD/bittorrent/private/resumedatasavingmanager.cpp \
     $$PWD/bittorrent/private/speedmonitor.cpp \

src/base/bittorrent/private/nativesessionextension.cpp

@@ -0,0 +1,74 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  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.
+ */
+
+#include "nativesessionextension.h"
+
+#include <libtorrent/alert_types.hpp>
+
+#include "nativetorrentextension.h"
+
+namespace
+{
+    void handleFastresumeRejectedAlert(const lt::fastresume_rejected_alert *alert)
+    {
+        if (alert->error.value() == lt::errors::mismatching_file_size) {
+#if (LIBTORRENT_VERSION_NUM < 10200)
+            alert->handle.auto_managed(false);
+#else
+            alert->handle.unset_flags(lt::torrent_flags::auto_managed);
+#endif
+            alert->handle.pause();
+        }
+    }
+}
+
+#if (LIBTORRENT_VERSION_NUM >= 10200)
+lt::feature_flags_t NativeSessionExtension::implemented_features()
+{
+    return alert_feature;
+}
+
+std::shared_ptr<lt::torrent_plugin> NativeSessionExtension::new_torrent(const lt::torrent_handle &torrentHandle, void *)
+{
+    return std::make_shared<NativeTorrentExtension>(torrentHandle);
+}
+#else
+boost::shared_ptr<lt::torrent_plugin> NativeSessionExtension::new_torrent(const lt::torrent_handle &torrentHandle, void *)
+{
+    return boost::shared_ptr<lt::torrent_plugin> {new NativeTorrentExtension {torrentHandle}};
+}
+#endif
+
+void NativeSessionExtension::on_alert(const lt::alert *alert)
+{
+    switch (alert->type()) {
+    case lt::fastresume_rejected_alert::alert_type:
+        handleFastresumeRejectedAlert(static_cast<const lt::fastresume_rejected_alert *>(alert));
+        break;
+    }
+}

src/base/bittorrent/private/nativesessionextension.h

@@ -0,0 +1,43 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  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 <libtorrent/extensions.hpp>
+#include <libtorrent/version.hpp>
+
+class NativeSessionExtension : public lt::plugin
+{
+#if (LIBTORRENT_VERSION_NUM >= 10200)
+    lt::feature_flags_t implemented_features() override;
+    std::shared_ptr<lt::torrent_plugin> new_torrent(const lt::torrent_handle &torrentHandle, void *userData) override;
+#else
+    boost::shared_ptr<lt::torrent_plugin> new_torrent(const lt::torrent_handle &torrentHandle, void *userData) override;
+#endif
+    void on_alert(const lt::alert *alert) override;
+};

src/base/bittorrent/private/nativetorrentextension.cpp

@@ -0,0 +1,94 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  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.
+ */
+
+#include "nativetorrentextension.h"
+
+#include <libtorrent/torrent_status.hpp>
+
+namespace
+{
+    bool isPaused(const lt::torrent_status &torrentStatus)
+    {
+#if (LIBTORRENT_VERSION_NUM < 10200)
+        return (torrentStatus.paused && !torrentStatus.auto_managed);
+#else
+        return ((torrentStatus.flags & lt::torrent_flags::paused)
+                && !(torrentStatus.flags & lt::torrent_flags::auto_managed));
+#endif
+    }
+
+    bool isAutoManaged(const lt::torrent_status &torrentStatus)
+    {
+#if (LIBTORRENT_VERSION_NUM < 10200)
+        return torrentStatus.auto_managed;
+#else
+        return bool {torrentStatus.flags & lt::torrent_flags::auto_managed};
+#endif
+    }
+}
+
+NativeTorrentExtension::NativeTorrentExtension(const lt::torrent_handle &torrentHandle)
+    : m_torrentHandle {torrentHandle}
+{
+}
+
+// This method is called when state of torrent is changed
+#if (LIBTORRENT_VERSION_NUM < 10200)
+void NativeTorrentExtension::on_state(const int state)
+#else
+void NativeTorrentExtension::on_state(const lt::torrent_status::state_t state)
+#endif
+{
+    // When a torrent enters "checking files" state while paused, we temporarily resume it
+    // (really we just allow libtorrent to resume it by enabling auto management for it).
+    if (state == lt::torrent_status::checking_files) {
+        if (isPaused(m_torrentHandle.status({}))) {
+#if (LIBTORRENT_VERSION_NUM < 10200)
+            m_torrentHandle.stop_when_ready(true);
+            m_torrentHandle.auto_managed(true);
+#else
+            m_torrentHandle.set_flags(lt::torrent_flags::stop_when_ready | lt::torrent_flags::auto_managed);
+#endif
+        }
+    }
+}
+
+bool NativeTorrentExtension::on_pause()
+{
+    if (!isAutoManaged(m_torrentHandle.status({}))) {
+#if (LIBTORRENT_VERSION_NUM < 10200)
+        m_torrentHandle.stop_when_ready(false);
+#else
+        m_torrentHandle.unset_flags(lt::torrent_flags::stop_when_ready);
+#endif
+    }
+
+    // return `false` to allow standard handler
+    // and other extensions to be also invoked.
+    return false;
+}

src/base/bittorrent/private/nativetorrentextension.h

@@ -0,0 +1,49 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2020  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 <libtorrent/extensions.hpp>
+#include <libtorrent/torrent_handle.hpp>
+#include <libtorrent/version.hpp>
+
+class NativeTorrentExtension : public lt::torrent_plugin
+{
+public:
+    explicit NativeTorrentExtension(const lt::torrent_handle &torrentHandle);
+
+private:
+#if (LIBTORRENT_VERSION_NUM < 10200)
+    void on_state(int state) override;
+#else
+    void on_state(lt::torrent_status::state_t state) override;
+#endif
+    bool on_pause() override;
+
+    lt::torrent_handle m_torrentHandle;
+};

src/base/bittorrent/session.cpp

@@ -90,6 +90,7 @@
 #include "private/bandwidthscheduler.h"
 #include "private/filterparserthread.h"
 #include "private/ltunderlyingtype.h"
+#include "private/nativesessionextension.h"
 #include "private/portforwarderimpl.h"
 #include "private/resumedatasavingmanager.h"
 #include "private/statistics.h"
@@ -1127,6 +1128,12 @@ void Session::initializeNativeSession()
     m_nativeSession->add_extension(&lt::create_ut_metadata_plugin);
     if (isPeXEnabled())
         m_nativeSession->add_extension(&lt::create_ut_pex_plugin);
+
+#if (LIBTORRENT_VERSION_NUM < 10200)
+    m_nativeSession->add_extension(boost::shared_ptr<lt::plugin> {new NativeSessionExtension});
+#else
+    m_nativeSession->add_extension(std::make_shared<NativeSessionExtension>());
+#endif
 }
 
 void Session::processBannedIPs(lt::ip_filter &filter)
@@ -2012,14 +2019,28 @@ bool Session::addTorrent_impl(CreateTorrentParams params, const MagnetUri &magne
 
             // Reuse existing torrent_handle
             lt::torrent_handle handle = m_nativeSession->find_torrent(hash);
-            // We need to pause it first to create TorrentHandle within the same
-            // underlying state as in other cases.
-            handle.auto_managed(false);
+
+            // Preloaded torrent is in "Upload mode" so we need to disable it
+            // otherwise the torrent never be downloaded (until application restart)
+            handle.set_upload_mode(false);
+
+            if (params.paused) {
+                // Preloaded torrent isn't auto managed already
                 handle.pause();
-            // createTorrentHandle() for this is called in the torrent_paused_alert handler
+            }
+            else if (!params.forced) {
+                handle.auto_managed(true);
+                handle.pause();
+            }
 
             m_loadedMetadata.remove(hash);
             m_addingTorrents.insert(hash, params);
+
+            --m_extraLimit;
+            adjustLimits();
+
+            // use common 2nd step of torrent addition
+            createTorrentHandle(handle);
             return true;
         }
 
@@ -2108,11 +2129,14 @@ bool Session::addTorrent_impl(CreateTorrentParams params, const MagnetUri &magne
 
     // Common
     p.flags &= ~lt::add_torrent_params::flag_duplicate_is_error; // Already checked
-    // Make sure the torrent will be initially checked and then paused
-    // to perform some service jobs on it. We will start it if needed.
+    if (params.paused || !params.forced)
         p.flags |= lt::add_torrent_params::flag_paused;
+    else
+        p.flags &= ~lt::add_torrent_params::flag_paused;
+    if (params.paused || params.forced)
+        p.flags &= ~lt::add_torrent_params::flag_auto_managed;
+    else
         p.flags |= lt::add_torrent_params::flag_auto_managed;
-    p.flags |= lt::add_torrent_params::flag_stop_when_ready;
     // Limits
     p.max_connections = maxConnectionsPerTorrent();
     p.max_uploads = maxUploadsPerTorrent();
@@ -2162,14 +2186,29 @@ bool Session::addTorrent_impl(CreateTorrentParams params, const MagnetUri &magne
 
             // Reuse existing torrent_handle
             lt::torrent_handle handle = m_nativeSession->find_torrent(hash);
-            // We need to pause it first to create TorrentHandle within the same
-            // underlying state as in other cases.
-            handle.unset_flags(lt::torrent_flags::auto_managed);
+
+            // Preloaded torrent is in "Upload mode" so we need to disable it
+            // otherwise the torrent never be downloaded (until application restart)
+            handle.unset_flags(lt::torrent_flags::upload_mode);
+
+            if (params.paused) {
+                // Preloaded torrent isn't auto managed already
+                handle.pause();
+            }
+            else if (!params.forced) {
+                handle.set_flags(lt::torrent_flags::auto_managed);
                 handle.pause();
-            // createTorrentHandle() for this is called in the torrent_paused_alert handler
+            }
+
 
             m_loadedMetadata.remove(hash);
             m_addingTorrents.insert(hash, params);
+
+            --m_extraLimit;
+            adjustLimits();
+
+            // use common 2nd step of torrent addition
+            createTorrentHandle(handle);
             return true;
         }
 
@@ -2270,11 +2309,15 @@ bool Session::addTorrent_impl(CreateTorrentParams params, const MagnetUri &magne
 
     // Common
     p.flags &= ~lt::torrent_flags::duplicate_is_error; // Already checked
-    // Make sure the torrent will be initially checked and then paused
-    // to perform some service jobs on it. We will start it if needed.
+    if (params.paused || !params.forced)
         p.flags |= lt::torrent_flags::paused;
+    else
+        p.flags &= ~lt::torrent_flags::paused;
+    if (params.paused || params.forced)
+        p.flags &= ~lt::torrent_flags::auto_managed;
+    else
         p.flags |= lt::torrent_flags::auto_managed;
-    p.flags |= lt::torrent_flags::stop_when_ready;
+
     // Limits
     p.max_connections = maxConnectionsPerTorrent();
     p.max_uploads = maxUploadsPerTorrent();
@@ -4265,9 +4308,6 @@ void Session::dispatchTorrentAlert(const lt::alert *a)
     }
 
     switch (a->type()) {
-    case lt::torrent_paused_alert::alert_type:
-        handleTorrentPausedAlert(static_cast<const lt::torrent_paused_alert*>(a));
-        break;
     case lt::metadata_received_alert::alert_type:
         handleMetadataReceivedAlert(static_cast<const lt::metadata_received_alert*>(a));
         break;
@@ -4412,29 +4452,6 @@ void Session::handleMetadataReceivedAlert(const lt::metadata_received_alert *p)
     }
 }
 
-void Session::handleTorrentPausedAlert(const libtorrent::torrent_paused_alert *p)
-{
-    const InfoHash hash {p->handle.info_hash()};
-
-    if (m_addingTorrents.contains(hash)) {
-        // Adding preloaded torrent
-        lt::torrent_handle handle = p->handle;
-        --m_extraLimit;
-
-        // Preloaded torrent is in "Upload mode" so we need to disable it
-        // otherwise the torrent never be downloaded (until application restart)
-#if (LIBTORRENT_VERSION_NUM < 10200)
-        handle.set_upload_mode(false);
-#else
-        handle.unset_flags(lt::torrent_flags::upload_mode);
-#endif
-
-        adjustLimits();
-        // use common 2nd step of torrent addition
-        createTorrentHandle(handle);
-    }
-}
-
 void Session::handleFileErrorAlert(const lt::file_error_alert *p)
 {
     TorrentHandle *const torrent = m_torrents.value(p->handle.info_hash());

src/base/bittorrent/session.h

@@ -566,7 +566,6 @@ namespace BitTorrent
         void handleAddTorrentAlert(const lt::add_torrent_alert *p);
         void handleStateUpdateAlert(const lt::state_update_alert *p);
         void handleMetadataReceivedAlert(const lt::metadata_received_alert *p);
-        void handleTorrentPausedAlert(const lt::torrent_paused_alert *p);
         void handleFileErrorAlert(const lt::file_error_alert *p);
         void handleTorrentRemovedAlert(const lt::torrent_removed_alert *p);
         void handleTorrentDeletedAlert(const lt::torrent_deleted_alert *p);

src/base/bittorrent/torrenthandle.cpp

@@ -213,8 +213,6 @@ TorrentHandle::TorrentHandle(Session *session, const lt::torrent_handle &nativeH
     , m_hasMissingFiles(false)
     , m_hasRootFolder(params.hasRootFolder)
     , m_needsToSetFirstLastPiecePriority(false)
-    , m_needsToStartForced(params.forced)
-    , m_pauseWhenReady(params.paused)
 {
     if (m_useAutoTMM)
         m_savePath = Utils::Fs::toNativePath(m_session->categorySavePath(m_category));
@@ -239,20 +237,6 @@ TorrentHandle::TorrentHandle(Session *session, const lt::torrent_handle &nativeH
         if (filesCount() == 1)
             m_hasRootFolder = false;
     }
-
-    if (!hasMetadata()) {
-        // There is nothing to prepare
-        if (!m_pauseWhenReady) {
-            // Resume torrent because it was added in "resumed" state
-            // but it's actually paused during initialization.
-            m_startupState = Starting;
-            resume_impl(m_needsToStartForced);
-        }
-        else {
-            m_startupState = Started;
-            m_pauseWhenReady = false;
-        }
-    }
 }
 
 TorrentHandle::~TorrentHandle() {}
@@ -1360,8 +1344,6 @@ bool TorrentHandle::setCategory(const QString &category)
 
 void TorrentHandle::move(QString path)
 {
-    if (m_startupState != Started) return;
-
     m_useAutoTMM = false;
     m_session->handleTorrentSavingModeChanged(this);
 
@@ -1404,18 +1386,6 @@ void TorrentHandle::forceRecheck()
 
     m_nativeHandle.force_recheck();
     m_unchecked = false;
-
-    if ((m_startupState != Started) || isPaused()) {
-#if (LIBTORRENT_VERSION_NUM < 10200)
-        m_nativeHandle.stop_when_ready(true);
-#else
-        m_nativeHandle.set_flags(lt::torrent_flags::stop_when_ready);
-#endif
-        setAutoManaged(true);
-    }
-
-    if ((m_startupState == Started) && isPaused())
-        m_pauseWhenReady = true;
 }
 
 void TorrentHandle::setSequentialDownload(const bool enable)
@@ -1504,22 +1474,11 @@ void TorrentHandle::pause()
     setAutoManaged(false);
     m_nativeHandle.pause();
 
-    if (m_startupState == Started) {
-        if (m_pauseWhenReady) {
-#if (LIBTORRENT_VERSION_NUM < 10200)
-            m_nativeHandle.stop_when_ready(false);
-#else
-            m_nativeHandle.unset_flags(lt::torrent_flags::stop_when_ready);
-#endif
-            m_pauseWhenReady = false;
-        }
-
     // Libtorrent doesn't emit a torrent_paused_alert when the
     // torrent is queued (no I/O)
     // We test on the cached m_nativeStatus
     if (isQueued())
         m_session->handleTorrentPaused(this);
-    }
 }
 
 void TorrentHandle::resume(bool forced)
@@ -1711,25 +1670,9 @@ void TorrentHandle::handleTorrentCheckedAlert(const lt::torrent_checked_alert *p
     Q_UNUSED(p);
     qDebug("\"%s\" have just finished checking", qUtf8Printable(name()));
 
-    if (m_startupState == Preparing) {
-        if (!m_pauseWhenReady) {
-            if (!m_hasMissingFiles) {
-                // Resume torrent because it was added in "resumed" state
-                // but it's actually paused during initialization.
-                m_startupState = Starting;
-                resume_impl(m_needsToStartForced);
-            }
-            else {
-                // Torrent that has missing files is paused.
-                m_startupState = Started;
-            }
-        }
-        else {
-            m_startupState = Started;
-            m_pauseWhenReady = false;
-            if (m_fastresumeDataRejected && !m_hasMissingFiles)
+    if (m_fastresumeDataRejected && !m_hasMissingFiles) {
         saveResumeData();
-        }
+        m_fastresumeDataRejected = false;
     }
 
     updateStatus();
@@ -1778,27 +1721,17 @@ void TorrentHandle::handleTorrentPausedAlert(const lt::torrent_paused_alert *p)
 {
     Q_UNUSED(p);
 
-    if (m_startupState == Started) {
-        if (!m_pauseWhenReady) {
     updateStatus();
     m_speedMonitor.reset();
-        }
-        else {
-            m_pauseWhenReady = false;
-        }
 
     m_session->handleTorrentPaused(this);
-    }
 }
 
 void TorrentHandle::handleTorrentResumedAlert(const lt::torrent_resumed_alert *p)
 {
     Q_UNUSED(p);
 
-    if (m_startupState == Started)
     m_session->handleTorrentResumed(this);
-    else if (m_startupState == Starting)
-        m_startupState = Started;
 }
 
 void TorrentHandle::handleSaveResumeDataAlert(const lt::save_resume_data_alert *p)
@@ -1814,6 +1747,8 @@ void TorrentHandle::handleSaveResumeDataAlert(const lt::save_resume_data_alert *
     lt::entry resumeData = useDummyResumeData ? lt::entry() : lt::write_resume_data(p->params);
 #endif
 
+    updateStatus();
+
     if (useDummyResumeData) {
         resumeData["qBt-magnetUri"] = toMagnetUri().toStdString();
         resumeData["paused"] = isPaused();
@@ -1841,7 +1776,11 @@ void TorrentHandle::handleSaveResumeDataAlert(const lt::save_resume_data_alert *
     resumeData["qBt-queuePosition"] = (static_cast<int>(nativeHandle().queue_position()) + 1); // qBt starts queue at 1
     resumeData["qBt-hasRootFolder"] = m_hasRootFolder;
 
-    if (m_pauseWhenReady) {
+#if (LIBTORRENT_VERSION_NUM < 10200)
+    if (m_nativeStatus.stop_when_ready) {
+#else
+    if (m_nativeStatus.flags & lt::torrent_flags::stop_when_ready) {
+#endif
         // We need to redefine these values when torrent starting/rechecking
         // in "paused" state since native values can be logically wrong
         // (torrent can be not paused and auto_managed when it is checking).

src/base/bittorrent/torrenthandle.h

@@ -443,21 +443,9 @@ namespace BitTorrent
         bool m_hasMissingFiles;
         bool m_hasRootFolder;
         bool m_needsToSetFirstLastPiecePriority;
-        bool m_needsToStartForced;
 
         QHash<QString, TrackerInfo> m_trackerInfos;
 
-        enum StartupState
-        {
-            Preparing, // torrent is preparing to start regular processing
-            Starting, // torrent is prepared and starting to perform regular processing
-            Started // torrent is performing regular processing
-        };
-        StartupState m_startupState = Preparing;
-        // Handle torrent state when it starts performing some service job
-        // being in Paused state so it might be unpaused internally and then paused again
-        bool m_pauseWhenReady;
-
         bool m_unchecked = false;
     };
 }