Save updated resume data for completed torrents

If fastresume data was rejected we need to save updated
resume data after torrent finishes rechecking.

src/base/bittorrent/session.cpp

@@ -1796,7 +1796,7 @@ void Session::bottomTorrentsQueuePos(const QStringList &hashes)
     saveTorrentsQueue();
 }
 
-void Session::handleTorrentSaveResumeDataRequested(TorrentHandle *const torrent)
+void Session::handleTorrentSaveResumeDataRequested(const TorrentHandle *torrent)
 {
     qDebug("Saving resume data is requested for torrent '%s'...", qUtf8Printable(torrent->name()));
     ++m_numResumeData;

src/base/bittorrent/session.h

@@ -427,7 +427,7 @@ namespace BitTorrent
         void bottomTorrentsQueuePos(const QStringList &hashes);
 
         // TorrentHandle interface
-        void handleTorrentSaveResumeDataRequested(TorrentHandle *const torrent);
+        void handleTorrentSaveResumeDataRequested(const TorrentHandle *torrent);
         void handleTorrentShareLimitChanged(TorrentHandle *const torrent);
         void handleTorrentNameChanged(TorrentHandle *const torrent);
         void handleTorrentSavePathChanged(TorrentHandle *const torrent);

src/base/bittorrent/torrenthandle.cpp

@@ -187,6 +187,7 @@ TorrentHandle::TorrentHandle(Session *session, const lt::torrent_handle &nativeH
     , m_ratioLimit(params.ratioLimit)
     , m_seedingTimeLimit(params.seedingTimeLimit)
     , m_tempPathDisabled(params.disableTempPath)
+    , m_fastresumeDataRejected(false)
     , m_hasMissingFiles(false)
     , m_hasRootFolder(params.hasRootFolder)
     , m_needsToSetFirstLastPiecePriority(false)
@@ -1652,6 +1653,8 @@ void TorrentHandle::handleTorrentCheckedAlert(const lt::torrent_checked_alert *p
         else {
             m_startupState = Started;
             m_pauseWhenReady = false;
+            if (m_fastresumeDataRejected && !m_hasMissingFiles)
+                saveResumeData();
         }
     }
 
@@ -1788,6 +1791,8 @@ void TorrentHandle::handleSaveResumeDataFailedAlert(const lt::save_resume_data_f
 
 void TorrentHandle::handleFastResumeRejectedAlert(const lt::fastresume_rejected_alert *p)
 {
+    m_fastresumeDataRejected = true;
+
     if (p->error.value() == lt::errors::mismatching_file_size) {
         // Mismatching file size (files were probably moved)
         m_hasMissingFiles = true;
@@ -1795,7 +1800,7 @@ void TorrentHandle::handleFastResumeRejectedAlert(const lt::fastresume_rejected_
     }
     else {
         LogMsg(tr("Fast resume data was rejected for torrent '%1'. Reason: %2. Checking again...")
-            .arg(name(), QString::fromStdString(p->message())), Log::CRITICAL);
+            .arg(name(), QString::fromStdString(p->message())), Log::WARNING);
     }
 }
 

src/base/bittorrent/torrenthandle.h

@@ -438,6 +438,7 @@ namespace BitTorrent
         qreal m_ratioLimit;
         int m_seedingTimeLimit;
         bool m_tempPathDisabled;
+        bool m_fastresumeDataRejected;
         bool m_hasMissingFiles;
         bool m_hasRootFolder;
         bool m_needsToSetFirstLastPiecePriority;