Improve tracker entries handling

PR #19496.

* Add torrent entry status to represent tracker error
* Add torrent entry status to represent unreachable endpoint
* Display tracker entry next/min announce time
* Reset tracker entries when torrent is stopped

src/base/bittorrent/sessionimpl.cpp

@@ -4841,6 +4841,15 @@ void SessionImpl::handleTorrentMetadataReceived(TorrentImpl *const torrent)
 
 void SessionImpl::handleTorrentPaused(TorrentImpl *const torrent)
 {
+    torrent->resetTrackerEntries();
+
+    const auto &trackerEntries = torrent->trackers();
+    QHash<QString, TrackerEntry> updatedTrackerEntries;
+    updatedTrackerEntries.reserve(trackerEntries.size());
+    for (const auto &trackerEntry : trackerEntries)
+        updatedTrackerEntries.emplace(trackerEntry.url, trackerEntry);
+    emit trackerEntriesUpdated(torrent, updatedTrackerEntries);
+
     LogMsg(tr("Torrent paused. Torrent: \"%1\"").arg(torrent->name()));
     emit torrentPaused(torrent);
 }
@@ -5985,7 +5994,39 @@ void SessionImpl::processTrackerStatuses()
 
     for (auto it = m_updatedTrackerEntries.cbegin(); it != m_updatedTrackerEntries.cend(); ++it)
     {
-        invokeAsync([this, torrentHandle = it.key(), updatedTrackers = it.value()]() mutable
+        updateTrackerEntries(it.key(), it.value());
+    }
+
+    m_updatedTrackerEntries.clear();
+}
+
+void SessionImpl::saveStatistics() const
+{
+    if (!m_isStatisticsDirty)
+        return;
+
+    const QVariantHash stats {
+        {u"AlltimeDL"_s, m_status.allTimeDownload},
+        {u"AlltimeUL"_s, m_status.allTimeUpload}};
+    std::unique_ptr<QSettings> settings = Profile::instance()->applicationSettings(u"qBittorrent-data"_s);
+    settings->setValue(u"Stats/AllStats"_s, stats);
+
+    m_statisticsLastUpdateTimer.start();
+    m_isStatisticsDirty = false;
+}
+
+void SessionImpl::loadStatistics()
+{
+    const std::unique_ptr<QSettings> settings = Profile::instance()->applicationSettings(u"qBittorrent-data"_s);
+    const QVariantHash value = settings->value(u"Stats/AllStats"_s).toHash();
+
+    m_previouslyDownloaded = value[u"AlltimeDL"_s].toLongLong();
+    m_previouslyUploaded = value[u"AlltimeUL"_s].toLongLong();
+}
+
+void SessionImpl::updateTrackerEntries(lt::torrent_handle torrentHandle, QHash<std::string, QHash<TrackerEntry::Endpoint, QMap<int, int>>> updatedTrackers)
+{
+    invokeAsync([this, torrentHandle = std::move(torrentHandle), updatedTrackers = std::move(updatedTrackers)]() mutable
     {
         try
         {
@@ -5994,7 +6035,7 @@ void SessionImpl::processTrackerStatuses()
                     , updatedTrackers = std::move(updatedTrackers)]
             {
                 TorrentImpl *torrent = m_torrents.value(torrentHandle.info_hash());
-                    if (!torrent)
+                if (!torrent || torrent->isPaused())
                     return;
 
                 QHash<QString, TrackerEntry> updatedTrackerEntries;
@@ -6018,31 +6059,4 @@ void SessionImpl::processTrackerStatuses()
         {
         }
     });
-    }
-
-    m_updatedTrackerEntries.clear();
-}
-
-void SessionImpl::saveStatistics() const
-{
-    if (!m_isStatisticsDirty)
-        return;
-
-    const QVariantHash stats {
-        {u"AlltimeDL"_s, m_status.allTimeDownload},
-        {u"AlltimeUL"_s, m_status.allTimeUpload}};
-    std::unique_ptr<QSettings> settings = Profile::instance()->applicationSettings(u"qBittorrent-data"_s);
-    settings->setValue(u"Stats/AllStats"_s, stats);
-
-    m_statisticsLastUpdateTimer.start();
-    m_isStatisticsDirty = false;
-}
-
-void SessionImpl::loadStatistics()
-{
-    const std::unique_ptr<QSettings> settings = Profile::instance()->applicationSettings(u"qBittorrent-data"_s);
-    const QVariantHash value = settings->value(u"Stats/AllStats"_s).toHash();
-
-    m_previouslyDownloaded = value[u"AlltimeDL"_s].toLongLong();
-    m_previouslyUploaded = value[u"AlltimeUL"_s].toLongLong();
 }

src/base/bittorrent/sessionimpl.h

@@ -572,6 +572,8 @@ namespace BitTorrent
         void saveStatistics() const;
         void loadStatistics();
 
+        void updateTrackerEntries(lt::torrent_handle torrentHandle, QHash<std::string, QHash<TrackerEntry::Endpoint, QMap<int, int>>> updatedTrackers);
+
         // BitTorrent
         lt::session *m_nativeSession = nullptr;
         NativeSessionExtension *m_nativeSessionExtension = nullptr;

src/base/bittorrent/torrentimpl.cpp

@@ -78,6 +78,15 @@ namespace
         return entry;
     }
 
+    QDateTime fromLTTimePoint32(const lt::time_point32 &timePoint)
+    {
+        const auto ltNow = lt::clock_type::now();
+        const auto qNow = QDateTime::currentDateTime();
+        const auto secsSinceNow = lt::duration_cast<lt::seconds>(timePoint - ltNow + lt::milliseconds(500)).count();
+
+        return qNow.addSecs(secsSinceNow);
+    }
+
 #ifdef QBT_USES_LIBTORRENT2
     void updateTrackerEntry(TrackerEntry &trackerEntry, const lt::announce_entry &nativeEntry
             , const lt::info_hash_t &hashes, const QHash<TrackerEntry::Endpoint, QMap<int, int>> &updateInfo)
@@ -103,8 +112,8 @@ namespace
         int numUpdating = 0;
         int numWorking = 0;
         int numNotWorking = 0;
-        QString firstTrackerMessage;
-        QString firstErrorMessage;
+        int numTrackerError = 0;
+        int numUnreachable = 0;
 #ifdef QBT_USES_LIBTORRENT2
         const auto numEndpoints = static_cast<qsizetype>(nativeEntry.endpoints.size()) * ((hashes.has_v1() && hashes.has_v2()) ? 2 : 1);
         for (const lt::announce_endpoint &endpoint : nativeEntry.endpoints)
@@ -127,6 +136,8 @@ namespace
                 trackerEndpoint.numSeeds = infoHash.scrape_complete;
                 trackerEndpoint.numLeeches = infoHash.scrape_incomplete;
                 trackerEndpoint.numDownloaded = infoHash.scrape_downloaded;
+                trackerEndpoint.nextAnnounceTime = fromLTTimePoint32(infoHash.next_announce);
+                trackerEndpoint.minAnnounceTime = fromLTTimePoint32(infoHash.min_announce);
 
                 if (infoHash.updating)
                 {
@@ -134,10 +145,23 @@ namespace
                     ++numUpdating;
                 }
                 else if (infoHash.fails > 0)
+                {
+                    if (infoHash.last_error == lt::errors::tracker_failure)
+                    {
+                        trackerEndpoint.status = TrackerEntry::TrackerError;
+                        ++numTrackerError;
+                    }
+                    else if (infoHash.last_error == lt::errors::announce_skipped)
+                    {
+                        trackerEndpoint.status = TrackerEntry::Unreachable;
+                        ++numUnreachable;
+                    }
+                    else
                     {
                         trackerEndpoint.status = TrackerEntry::NotWorking;
                         ++numNotWorking;
                     }
+                }
                 else if (nativeEntry.verified)
                 {
                     trackerEndpoint.status = TrackerEntry::Working;
@@ -151,14 +175,10 @@ namespace
                 if (!infoHash.message.empty())
                 {
                     trackerEndpoint.message = QString::fromStdString(infoHash.message);
-                    if (firstTrackerMessage.isEmpty())
-                        firstTrackerMessage = trackerEndpoint.message;
                 }
                 else if (infoHash.last_error)
                 {
                     trackerEndpoint.message = QString::fromLocal8Bit(infoHash.last_error.message());
-                    if (firstErrorMessage.isEmpty())
-                        firstErrorMessage = trackerEndpoint.message;
                 }
             }
         }
@@ -175,6 +195,8 @@ namespace
             trackerEndpoint.numSeeds = endpoint.scrape_complete;
             trackerEndpoint.numLeeches = endpoint.scrape_incomplete;
             trackerEndpoint.numDownloaded = endpoint.scrape_downloaded;
+            trackerEndpoint.nextAnnounceTime = fromLTTimePoint32(endpoint.next_announce);
+            trackerEndpoint.minAnnounceTime = fromLTTimePoint32(endpoint.min_announce);
 
             if (endpoint.updating)
             {
@@ -182,10 +204,23 @@ namespace
                 ++numUpdating;
             }
             else if (endpoint.fails > 0)
+            {
+                if (endpoint.last_error == lt::errors::tracker_failure)
+                {
+                    trackerEndpoint.status = TrackerEntry::TrackerError;
+                    ++numTrackerError;
+                }
+                else if (endpoint.last_error == lt::errors::announce_skipped)
+                {
+                    trackerEndpoint.status = TrackerEntry::Unreachable;
+                    ++numUnreachable;
+                }
+                else
                 {
                     trackerEndpoint.status = TrackerEntry::NotWorking;
                     ++numNotWorking;
                 }
+            }
             else if (nativeEntry.verified)
             {
                 trackerEndpoint.status = TrackerEntry::Working;
@@ -199,14 +234,10 @@ namespace
             if (!endpoint.message.empty())
             {
                 trackerEndpoint.message = QString::fromStdString(endpoint.message);
-                if (firstTrackerMessage.isEmpty())
-                    firstTrackerMessage = trackerEndpoint.message;
             }
             else if (endpoint.last_error)
             {
                 trackerEndpoint.message = QString::fromLocal8Bit(endpoint.last_error.message());
-                if (firstErrorMessage.isEmpty())
-                    firstErrorMessage = trackerEndpoint.message;
             }
         }
 #endif
@@ -220,12 +251,18 @@ namespace
             else if (numWorking > 0)
             {
                 trackerEntry.status = TrackerEntry::Working;
-                trackerEntry.message = firstTrackerMessage;
             }
-            else if (numNotWorking == numEndpoints)
+            else if (numTrackerError > 0)
+            {
+                trackerEntry.status = TrackerEntry::TrackerError;
+            }
+            else if (numUnreachable == numEndpoints)
+            {
+                trackerEntry.status = TrackerEntry::Unreachable;
+            }
+            else if ((numUnreachable + numNotWorking) == numEndpoints)
             {
                 trackerEntry.status = TrackerEntry::NotWorking;
-                trackerEntry.message = (!firstTrackerMessage.isEmpty() ? firstTrackerMessage : firstErrorMessage);
             }
         }
     }
@@ -1639,6 +1676,12 @@ TrackerEntry TorrentImpl::updateTrackerEntry(const lt::announce_entry &announceE
     return *it;
 }
 
+void TorrentImpl::resetTrackerEntries()
+{
+    for (auto &trackerEntry : m_trackerEntries)
+        trackerEntry = {trackerEntry.url, trackerEntry.tier};
+}
+
 std::shared_ptr<const libtorrent::torrent_info> TorrentImpl::nativeTorrentInfo() const
 {
     if (m_nativeStatus.torrent_file.expired())

src/base/bittorrent/torrentimpl.h

@@ -264,7 +264,8 @@ namespace BitTorrent
         void saveResumeData(lt::resume_data_flags_t flags = {});
         void handleMoveStorageJobFinished(const Path &path, MoveStorageContext context, bool hasOutstandingJob);
         void fileSearchFinished(const Path &savePath, const PathList &fileNames);
-        TrackerEntry updateTrackerEntry(const lt::announce_entry &announceEntry, const QHash<TrackerEntry::Endpoint, QMap<int, int> > &updateInfo);
+        TrackerEntry updateTrackerEntry(const lt::announce_entry &announceEntry, const QHash<TrackerEntry::Endpoint, QMap<int, int>> &updateInfo);
+        void resetTrackerEntries();
 
     private:
         using EventTrigger = std::function<void ()>;

src/base/bittorrent/trackerentry.h

@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2022  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2023  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
@@ -31,6 +31,7 @@
 #include <libtorrent/socket.hpp>
 
 #include <QtContainerFwd>
+#include <QDateTime>
 #include <QHash>
 #include <QString>
 #include <QStringView>
@@ -46,24 +47,30 @@ namespace BitTorrent
             NotContacted = 1,
             Working = 2,
             Updating = 3,
-            NotWorking = 4
+            NotWorking = 4,
+            TrackerError = 5,
+            Unreachable = 6
         };
 
         struct EndpointStats
         {
+            QString name {};
+
             Status status = NotContacted;
+            QString message {};
+
             int numPeers = -1;
             int numSeeds = -1;
             int numLeeches = -1;
             int numDownloaded = -1;
-            QString message {};
-            QString name {};
+
+            QDateTime nextAnnounceTime;
+            QDateTime minAnnounceTime;
         };
 
         QString url {};
         int tier = 0;
         Status status = NotContacted;
-        QString message {};
 
         QHash<Endpoint, QHash<int, EndpointStats>> stats {};
     };

src/base/utils/misc.cpp

@@ -352,7 +352,7 @@ bool Utils::Misc::isPreviewable(const Path &filePath)
     return multimediaExtensions.contains(filePath.extension().toUpper());
 }
 
-QString Utils::Misc::userFriendlyDuration(const qlonglong seconds, const qlonglong maxCap)
+QString Utils::Misc::userFriendlyDuration(const qlonglong seconds, const qlonglong maxCap, const TimeResolution resolution)
 {
     if (seconds < 0)
         return C_INFINITY;
@@ -363,29 +363,34 @@ QString Utils::Misc::userFriendlyDuration(const qlonglong seconds, const qlonglo
         return u"0"_s;
 
     if (seconds < 60)
+    {
+        if (resolution == TimeResolution::Minutes)
             return QCoreApplication::translate("misc", "< 1m", "< 1 minute");
 
+        return QCoreApplication::translate("misc", "%1s", "e.g: 10 seconds").arg(QString::number(seconds));
+    }
+
     qlonglong minutes = (seconds / 60);
     if (minutes < 60)
-        return QCoreApplication::translate("misc", "%1m", "e.g: 10minutes").arg(QString::number(minutes));
+        return QCoreApplication::translate("misc", "%1m", "e.g: 10 minutes").arg(QString::number(minutes));
 
     qlonglong hours = (minutes / 60);
     if (hours < 24)
     {
         minutes -= (hours * 60);
-        return QCoreApplication::translate("misc", "%1h %2m", "e.g: 3hours 5minutes").arg(QString::number(hours), QString::number(minutes));
+        return QCoreApplication::translate("misc", "%1h %2m", "e.g: 3 hours 5 minutes").arg(QString::number(hours), QString::number(minutes));
     }
 
     qlonglong days = (hours / 24);
     if (days < 365)
     {
         hours -= (days * 24);
-        return QCoreApplication::translate("misc", "%1d %2h", "e.g: 2days 10hours").arg(QString::number(days), QString::number(hours));
+        return QCoreApplication::translate("misc", "%1d %2h", "e.g: 2 days 10 hours").arg(QString::number(days), QString::number(hours));
     }
 
     qlonglong years = (days / 365);
     days -= (years * 365);
-    return QCoreApplication::translate("misc", "%1y %2d", "e.g: 2years 10days").arg(QString::number(years), QString::number(days));
+    return QCoreApplication::translate("misc", "%1y %2d", "e.g: 2 years 10 days").arg(QString::number(years), QString::number(days));
 }
 
 QString Utils::Misc::getUserIDString()

src/base/utils/misc.h

@@ -60,6 +60,12 @@ namespace Utils::Misc
         // YobiByte,   // 1024^8
     };
 
+enum class TimeResolution
+    {
+        Seconds,
+        Minutes
+    };
+
     QString parseHtmlLinks(const QString &rawText);
 
     void shutdownComputer(const ShutdownDialogAction &action);
@@ -82,7 +88,7 @@ namespace Utils::Misc
 
     // Take a number of seconds and return a user-friendly
     // time duration like "1d 2h 10m".
-    QString userFriendlyDuration(qlonglong seconds, qlonglong maxCap = -1);
+    QString userFriendlyDuration(qlonglong seconds, qlonglong maxCap = -1, TimeResolution resolution = TimeResolution::Minutes);
     QString getUserIDString();
 
     QString languageToLocalizedString(const QString &localeStr);

src/gui/properties/trackerlistwidget.cpp

@@ -34,6 +34,7 @@
 #include <QColor>
 #include <QDebug>
 #include <QHeaderView>
+#include <QLocale>
 #include <QMenu>
 #include <QMessageBox>
 #include <QPointer>
@@ -50,6 +51,7 @@
 #include "base/bittorrent/trackerentry.h"
 #include "base/global.h"
 #include "base/preferences.h"
+#include "base/utils/misc.h"
 #include "gui/autoexpandabledialog.h"
 #include "gui/uithememanager.h"
 #include "propertieswidget.h"
@@ -128,6 +130,8 @@ TrackerListWidget::TrackerListWidget(PropertiesWidget *properties)
     headerItem()->setTextAlignment(COL_SEEDS, alignment);
     headerItem()->setTextAlignment(COL_LEECHES, alignment);
     headerItem()->setTextAlignment(COL_TIMES_DOWNLOADED, alignment);
+    headerItem()->setTextAlignment(COL_NEXT_ANNOUNCE, alignment);
+    headerItem()->setTextAlignment(COL_MIN_ANNOUNCE, alignment);
 
     // Set hotkeys
     const auto *editHotkey = new QShortcut(Qt::Key_F2, this, nullptr, nullptr, Qt::WidgetShortcut);
@@ -145,6 +149,8 @@ TrackerListWidget::TrackerListWidget(PropertiesWidget *properties)
         item->setText(COL_LEECHES, QString());
         item->setText(COL_TIMES_DOWNLOADED, QString());
         item->setText(COL_MSG, QString());
+        item->setText(COL_NEXT_ANNOUNCE, QString());
+        item->setText(COL_MIN_ANNOUNCE, QString());
     });
     connect(this, &QTreeWidget::itemCollapsed, this, [](QTreeWidgetItem *item)
     {
@@ -153,6 +159,12 @@ TrackerListWidget::TrackerListWidget(PropertiesWidget *properties)
         item->setText(COL_LEECHES, item->data(COL_LEECHES, Qt::UserRole).toString());
         item->setText(COL_TIMES_DOWNLOADED, item->data(COL_TIMES_DOWNLOADED, Qt::UserRole).toString());
         item->setText(COL_MSG, item->data(COL_MSG, Qt::UserRole).toString());
+
+        const auto now = QDateTime::currentDateTime();
+        const auto secsToNextAnnounce = now.secsTo(item->data(COL_NEXT_ANNOUNCE, Qt::UserRole).toDateTime());
+        item->setText(COL_NEXT_ANNOUNCE, Utils::Misc::userFriendlyDuration(secsToNextAnnounce, -1, Utils::Misc::TimeResolution::Seconds));
+        const auto secsToMinAnnounce = now.secsTo(item->data(COL_MIN_ANNOUNCE, Qt::UserRole).toDateTime());
+        item->setText(COL_MIN_ANNOUNCE, Utils::Misc::userFriendlyDuration(secsToMinAnnounce, -1, Utils::Misc::TimeResolution::Seconds));
     });
 }
 
@@ -386,8 +398,11 @@ void TrackerListWidget::loadTrackers()
 
     const auto setAlignment = [](QTreeWidgetItem *item)
     {
-        for (const TrackerListColumn col : {COL_TIER, COL_PROTOCOL, COL_PEERS, COL_SEEDS, COL_LEECHES, COL_TIMES_DOWNLOADED})
+        for (const TrackerListColumn col : {COL_TIER, COL_PROTOCOL, COL_PEERS, COL_SEEDS
+                , COL_LEECHES, COL_TIMES_DOWNLOADED, COL_NEXT_ANNOUNCE, COL_MIN_ANNOUNCE})
+        {
             item->setTextAlignment(col, (Qt::AlignRight | Qt::AlignVCenter));
+        }
     };
 
     const auto prettyCount = [](const int val)
@@ -405,6 +420,10 @@ void TrackerListWidget::loadTrackers()
             return tr("Updating...");
         case BitTorrent::TrackerEntry::Status::NotWorking:
             return tr("Not working");
+        case BitTorrent::TrackerEntry::Status::TrackerError:
+            return tr("Tracker error");
+        case BitTorrent::TrackerEntry::Status::Unreachable:
+            return tr("Unreachable");
         case BitTorrent::TrackerEntry::Status::NotContacted:
             return tr("Not contacted yet");
         }
@@ -432,10 +451,15 @@ void TrackerListWidget::loadTrackers()
             oldTrackerURLs.removeOne(trackerURL);
         }
 
+        const auto now = QDateTime::currentDateTime();
+
         int peersMax = -1;
         int seedsMax = -1;
         int leechesMax = -1;
         int downloadedMax = -1;
+        QDateTime nextAnnounceTime;
+        QDateTime minAnnounceTime;
+        QString message;
 
         int index = 0;
         for (const auto &endpoint : entry.stats)
@@ -450,6 +474,26 @@ void TrackerListWidget::loadTrackers()
                 leechesMax = std::max(leechesMax, protocolStats.numLeeches);
                 downloadedMax = std::max(downloadedMax, protocolStats.numDownloaded);
 
+                if (protocolStats.status == entry.status)
+                {
+                    if (!nextAnnounceTime.isValid() || (nextAnnounceTime > protocolStats.nextAnnounceTime))
+                    {
+                        nextAnnounceTime = protocolStats.nextAnnounceTime;
+                        minAnnounceTime = protocolStats.minAnnounceTime;
+                        if ((protocolStats.status != BitTorrent::TrackerEntry::Status::Working)
+                                || !protocolStats.message.isEmpty())
+                        {
+                            message = protocolStats.message;
+                        }
+                    }
+
+                    if (protocolStats.status == BitTorrent::TrackerEntry::Status::Working)
+                    {
+                        if (message.isEmpty())
+                            message = protocolStats.message;
+                    }
+                }
+
                 QTreeWidgetItem *child = (index < item->childCount()) ? item->child(index) : new QTreeWidgetItem(item);
                 child->setText(COL_URL, protocolStats.name);
                 child->setText(COL_PROTOCOL, tr("v%1").arg(protocolVersion));
@@ -460,6 +504,8 @@ void TrackerListWidget::loadTrackers()
                 child->setText(COL_TIMES_DOWNLOADED, prettyCount(protocolStats.numDownloaded));
                 child->setText(COL_MSG, protocolStats.message);
                 child->setToolTip(COL_MSG, protocolStats.message);
+                child->setText(COL_NEXT_ANNOUNCE, Utils::Misc::userFriendlyDuration(now.secsTo(protocolStats.nextAnnounceTime), -1, Utils::Misc::TimeResolution::Seconds));
+                child->setText(COL_MIN_ANNOUNCE, Utils::Misc::userFriendlyDuration(now.secsTo(protocolStats.minAnnounceTime), -1, Utils::Misc::TimeResolution::Seconds));
                 setAlignment(child);
                 ++index;
             }
@@ -475,7 +521,9 @@ void TrackerListWidget::loadTrackers()
         item->setData(COL_SEEDS, Qt::UserRole, prettyCount(seedsMax));
         item->setData(COL_LEECHES, Qt::UserRole, prettyCount(leechesMax));
         item->setData(COL_TIMES_DOWNLOADED, Qt::UserRole, prettyCount(downloadedMax));
-        item->setData(COL_MSG, Qt::UserRole, entry.message);
+        item->setData(COL_MSG, Qt::UserRole, message);
+        item->setData(COL_NEXT_ANNOUNCE, Qt::UserRole, nextAnnounceTime);
+        item->setData(COL_MIN_ANNOUNCE, Qt::UserRole, minAnnounceTime);
         if (!item->isExpanded())
         {
             item->setText(COL_PEERS, item->data(COL_PEERS, Qt::UserRole).toString());
@@ -483,6 +531,10 @@ void TrackerListWidget::loadTrackers()
             item->setText(COL_LEECHES, item->data(COL_LEECHES, Qt::UserRole).toString());
             item->setText(COL_TIMES_DOWNLOADED, item->data(COL_TIMES_DOWNLOADED, Qt::UserRole).toString());
             item->setText(COL_MSG, item->data(COL_MSG, Qt::UserRole).toString());
+            const auto secsToNextAnnounce = now.secsTo(item->data(COL_NEXT_ANNOUNCE, Qt::UserRole).toDateTime());
+            item->setText(COL_NEXT_ANNOUNCE, Utils::Misc::userFriendlyDuration(secsToNextAnnounce, -1, Utils::Misc::TimeResolution::Seconds));
+            const auto secsToMinAnnounce = now.secsTo(item->data(COL_MIN_ANNOUNCE, Qt::UserRole).toDateTime());
+            item->setText(COL_MIN_ANNOUNCE, Utils::Misc::userFriendlyDuration(secsToMinAnnounce, -1, Utils::Misc::TimeResolution::Seconds));
         }
         setAlignment(item);
     }
@@ -687,6 +739,8 @@ QStringList TrackerListWidget::headerLabels()
         , tr("Leeches")
         , tr("Times Downloaded")
         , tr("Message")
+        , tr("Next announce")
+        , tr("Min announce")
     };
 }
 

src/gui/properties/trackerlistwidget.h

@@ -55,6 +55,8 @@ public:
         COL_LEECHES,
         COL_TIMES_DOWNLOADED,
         COL_MSG,
+        COL_NEXT_ANNOUNCE,
+        COL_MIN_ANNOUNCE,
 
         COL_COUNT
     };

src/gui/transferlistfilters/trackersfilterwidget.cpp

@@ -335,7 +335,15 @@ void TrackersFilterWidget::handleTrackerEntriesUpdated(const BitTorrent::Torrent
                 errored.remove(trackerEntry.url);
             }
 
-            if (trackerEntry.message.isEmpty())
+            const bool hasNoWarningMessages = std::all_of(trackerEntry.stats.cbegin(), trackerEntry.stats.cend(), [](const auto &endpoint)
+            {
+                return std::all_of(endpoint.cbegin(), endpoint.cend()
+                        , [](const BitTorrent::TrackerEntry::EndpointStats &protocolStats)
+                {
+                    return protocolStats.message.isEmpty() || (protocolStats.status != BitTorrent::TrackerEntry::Working);
+                });
+            });
+            if (hasNoWarningMessages)
             {
                 if (warningHashesIt != m_warnings.end())
                 {
@@ -350,7 +358,9 @@ void TrackersFilterWidget::handleTrackerEntriesUpdated(const BitTorrent::Torrent
                 warningHashesIt.value().insert(trackerEntry.url);
             }
         }
-        else if (trackerEntry.status == BitTorrent::TrackerEntry::NotWorking)
+        else if ((trackerEntry.status == BitTorrent::TrackerEntry::NotWorking)
+                || (trackerEntry.status == BitTorrent::TrackerEntry::TrackerError)
+                || (trackerEntry.status == BitTorrent::TrackerEntry::Unreachable))
         {
             if (errorHashesIt == m_errors.end())
                 errorHashesIt = m_errors.insert(id, {});

src/webui/api/torrentscontroller.cpp

@@ -487,6 +487,9 @@ void TorrentsController::trackersAction()
         int numSeeds = -1;
         int numLeeches = -1;
         int numDownloaded = -1;
+        QDateTime nextAnnounceTime;
+        QDateTime minAnnounceTime;
+        QString message;
         for (const auto &endpoint : tracker.stats)
         {
             for (const auto &protocolStat : endpoint)
@@ -495,15 +498,38 @@ void TorrentsController::trackersAction()
                 numSeeds = std::max(numSeeds, protocolStat.numSeeds);
                 numLeeches = std::max(numLeeches, protocolStat.numLeeches);
                 numDownloaded = std::max(numDownloaded, protocolStat.numDownloaded);
+
+                if (protocolStat.status == tracker.status)
+                {
+                    if (!nextAnnounceTime.isValid() || (nextAnnounceTime > protocolStat.nextAnnounceTime))
+                    {
+                        nextAnnounceTime = protocolStat.nextAnnounceTime;
+                        minAnnounceTime = protocolStat.minAnnounceTime;
+                        if ((protocolStat.status != BitTorrent::TrackerEntry::Status::Working)
+                                || !protocolStat.message.isEmpty())
+                        {
+                            message = protocolStat.message;
+                        }
+                    }
+
+                    if (protocolStat.status == BitTorrent::TrackerEntry::Status::Working)
+                    {
+                        if (message.isEmpty())
+                            message = protocolStat.message;
+                    }
+                }
             }
         }
 
+        const bool isNotWorking = (tracker.status == BitTorrent::TrackerEntry::Status::NotWorking)
+                || (tracker.status == BitTorrent::TrackerEntry::Status::TrackerError)
+                || (tracker.status == BitTorrent::TrackerEntry::Status::Unreachable);
         trackerList << QJsonObject
         {
             {KEY_TRACKER_URL, tracker.url},
             {KEY_TRACKER_TIER, tracker.tier},
-            {KEY_TRACKER_STATUS, static_cast<int>(tracker.status)},
-            {KEY_TRACKER_MSG, tracker.message},
+            {KEY_TRACKER_STATUS, static_cast<int>((isNotWorking ? BitTorrent::TrackerEntry::Status::NotWorking : tracker.status))},
+            {KEY_TRACKER_MSG, message},
             {KEY_TRACKER_PEERS_COUNT, numPeers},
             {KEY_TRACKER_SEEDS_COUNT, numSeeds},
             {KEY_TRACKER_LEECHES_COUNT, numLeeches},