** BIG COMMIT **

- Fixed a bug in options (scan dir widget were not initialized well, still disabled when they shouldn't)
- Fixed a bug in scan dir (doesn't display torrent addition dialog several times for the same torrent if we don't close the dialog before next scan refresh
- Splitted GUI from Bittorrent, lot of code rewritten and optimized. Code changed so much that we will spend the next few days squashing eventual new bugs ;)
- We don't use the hash table to store the torrent handles anymore because libtorrent is already doing it for us (save memory)

Changelog

@@ -1,7 +1,7 @@
 * Unknown - Christophe Dumez <chris@qbittorrent.org> - v0.9.0
     - FEATURE: Based on libtorrent v0.12
-    - FEATURE: Based on Qt 4.2
-    - FEATURE: Brand new trayicon from Qt 4.2
+    - FEATURE: Based on Qt4.2
+    - FEATURE: Brand new trayicon from Qt4.2
     - FEATURE: Support uTorrent Peer Exchange (PeX - exchanges peers between clients)
     - FEATURE: Added a menu action to visit qBittorrent website
     - FEATURE: Added a menu action to report a bug in qBittorrent
@@ -10,15 +10,17 @@
     - FEATURE: Number of complete/incomplete sources are now displayed in download list for each torrent
     - FEATURE: Implemented close to systray
     - FEATURE: Added Autocompletion to search engine
-    - BUGFIX: Two torrents can now have the same name although they are different
+    - FEATURE: Splitted BT & GUI parts (huge code rewriting & optimization)
+    - BUGFIX: Two torrents can now have the same name although they are different (use their hash)
     - BUGFIX: Fixed download from url that would fail sometimes
     - BUGFIX: Save directory was reset to default when filtering files in torrent
     - BUGFIX: Force a refresh of download list when the window is shown (avoid delay)
     - BUGFIX: Fixed deletion from hard drive (failed for non-empty folders)
     - BUGFIX: qBittorrent now identifies its version correctly on the network
     - BUGFIX: Preventing GUI from freezing when deleting a download permanently
-    - BUGFIX: Fix directory scanning (stop trying to download the same files several times)
-    - COSMETIC: Replaced OSD messages by systray messages
+    - BUGFIX: Fixed directory scanning (stop trying to download the same files several times)
+    - BUGFIX: Fixed bad loading of scan dir in option (widgets still disabled)
+    - COSMETIC: Replaced OSD messages by Qt4.2 systray messages
 
 * Tue Nov 28 2006 - Christophe Dumez <chris@qbittorrent.org> - v0.8.0
     - FEATURE: Added a torrent addition dialog

TODO

@@ -40,6 +40,10 @@
 - Allow to edit the trackers for a torrent
 
 // In v0.9.0
-- Splitting torrent part from GUI (& remove handles hashtable to save up some memory)
+- Splitting torrent part from GUI (bug squashing + cleanup)
 - Create options object only when necessary to save up some memory
 - Wait for libtorrent v0.12 official release
+- report this to libtorrent:
+  "qbittorrent: kademlia/rpc_manager.cpp:327: void libtorrent::dht::rpc_manager::invoke(int, asio::ip::basic_endpoint<asio::ip::udp>, boost::shared_ptr<libtorrent::dht::observer>):  l'assertion « false » a échoué."
+Info: current TOP output:
+    25461 chris     15   0  106m  23m  14m S  0.7  2.4   0:01.60 qbittorrent

src/GUI.h

@@ -43,7 +43,6 @@
 #include "about_imp.h"
 #include "previewSelect.h"
 #include "trackerLogin.h"
-#include "deleteThread.h"
 #include "bittorrent.h"
 
 
@@ -65,18 +64,11 @@ class GUI : public QMainWindow, private Ui::MainWindow{
 
   private:
     // Bittorrent
-    session *s;
-    std::pair<unsigned short, unsigned short> listenPorts;
-    QHash<QString, torrent_handle> handles;
+    bittorrent BTSession;
     QTimer *checkConnect;
-    QTimer *timerScan;
     QHash<QString, QStringList> trackerErrors;
-    trackerLogin *tracker_login;
     QList<QPair<torrent_handle,std::string> > unauthenticated_trackers;
-    downloadThread *downloader;
     downloadFromURL *downloadFromURLDialog;
-    bool DHTEnabled;
-    QList<deleteThread*> deleters;
     // GUI related
     options_imp *options;
     createtorrent *createWindow;
@@ -88,7 +80,6 @@ class GUI : public QMainWindow, private Ui::MainWindow{
     DLListDelegate *DLDelegate;
     QStandardItemModel *SearchListModel;
     SearchListDelegate *SearchDelegate;
-    QStringList supported_preview_extensions;
     unsigned int nbTorrents;
     QLabel *connecStatusLblIcon;
     // Preview
@@ -147,25 +138,17 @@ class GUI : public QMainWindow, private Ui::MainWindow{
     // Torrent actions
     void showProperties(const QModelIndex &index);
     void propertiesSelection();
-    void addTorrent(const QString& path, bool fromScanDir = false, const QString& from_url = QString());
     void pauseSelection();
     void startSelection();
     void askForTorrents();
     void deletePermanently();
     void deleteSelection();
-    void resumeUnfinished();
-    void saveFastResumeData() const;
     void checkConnectionStatus();
-    void scanDirectory();
-    void setGlobalRatio(float ratio);
     void configureSession();
     void processParams(const QStringList& params);
     void addUnauthenticatedTracker(QPair<torrent_handle,std::string> tracker);
-    void processDownloadedFile(QString url, QString file_path, int return_code, QString errorBuffer);
-    void downloadFromURLList(const QStringList& url_list);
-    bool loadFilteredFiles(torrent_handle &h);
-    bool hasFilteredFiles(const QString& fileName);
-    void reloadTorrent(const torrent_handle &h, bool compact_mode = true);
+    void processScannedFiles(const QStringList& params);
+    void processDownloadedFiles(const QString& path, const QString& url);
     // Search slots
     void on_search_button_clicked();
     void on_stop_search_button_clicked();
@@ -185,11 +168,18 @@ class GUI : public QMainWindow, private Ui::MainWindow{
     void showOptions() const;
     void OptionsSaved(const QString& info);
     // HTTP slots
-    void downloadFromUrl(const QString& url);
     void askForTorrentUrl();
 
   public slots:
     void setLocale(QString locale);
+    void torrentAdded(const QString& path, torrent_handle& h, bool fastResume);
+    void torrentDuplicate(const QString& path);
+    void torrentCorrupted(const QString& path);
+    void finishedTorrent(torrent_handle& h);
+    void fullDiskError(torrent_handle& h);
+    void portListeningFailure();
+    void trackerError(const QString& hash, const QString& time, const QString& msg);
+    void trackerAuthenticationRequired(torrent_handle& h);
 
   protected:
     void closeEvent(QCloseEvent *);
@@ -204,7 +194,6 @@ class GUI : public QMainWindow, private Ui::MainWindow{
     float getNovaVersion(const QString& novaPath) const;
     QByteArray getNovaChangelog(const QString& novaPath) const;
     void updateNova() const;
-    bool isFilePreviewPossible(const torrent_handle& h) const;
     QString getSavePath(QString fileName);
     QPoint screenCenter();
 };

src/bittorrent.cpp

@@ -20,12 +20,15 @@
  */
 #include "bittorrent.h"
 #include "misc.h"
+#include "downloadThread.h"
 
 #include <QDir>
 #include <QTime>
 
 // Main constructor
 bittorrent::bittorrent(){
+  // Supported preview extensions
+  // XXX: might be incomplete
   supported_preview_extensions << "AVI" << "DIVX" << "MPG" << "MPEG" << "MP3" << "OGG" << "WMV" << "WMA" << "RMV" << "RMVB" << "ASF" << "MOV" << "WAV" << "MP2" << "SWF" << "AC3";
   // Creating bittorrent session
   s = new session(fingerprint("qB", VERSION_MAJOR, VERSION_MINOR, VERSION_BUGFIX, 0));
@@ -38,12 +41,21 @@ bittorrent::bittorrent(){
   timerAlerts = new QTimer(this);
   connect(timerAlerts, SIGNAL(timeout()), this, SLOT(readAlerts()));
   timerAlerts->start(3000);
+  // To download from urls
+  downloader = new downloadThread(this);
+  connect(downloader, SIGNAL(downloadFinished(const QString&, const QString&, int, const QString&)), this, SLOT(processDownloadedFile(const QString&, const QString&, int, const QString&)));
+}
+
+void bittorrent::resumeUnfinishedTorrents(){
+  // Resume unfinished torrents
+  resumeUnfinished();
 }
 
 // Main destructor
 bittorrent::~bittorrent(){
   disableDirectoryScanning();
   delete timerAlerts;
+  delete downloader;
   delete s;
 }
 
@@ -52,6 +64,16 @@ torrent_handle bittorrent::getTorrentHandle(const QString& hash) const{
   return s->find_torrent(misc::fromString<sha1_hash>((hash.toStdString())));
 }
 
+// Return true if the torrent corresponding to the
+// hash is paused
+bool bittorrent::isPaused(const QString& hash) const{
+  torrent_handle h = s->find_torrent(misc::fromString<sha1_hash>((hash.toStdString())));
+  if(!h.is_valid()){
+    return true;
+  }
+  return h.is_paused();
+}
+
 // Delete a torrent from the session, given its hash
 // permanent = true means that the torrent will be removed from the hard-drive too
 void bittorrent::deleteTorrent(const QString& hash, bool permanent){
@@ -91,6 +113,10 @@ void bittorrent::pauseTorrent(const QString& hash){
   torrent_handle h = s->find_torrent(misc::fromString<sha1_hash>((hash.toStdString())));
   if(h.is_valid() && !h.is_paused()){
     h.pause();
+    // Create .paused file
+    QFile paused_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".paused");
+    paused_file.open(QIODevice::WriteOnly | QIODevice::Text);
+    paused_file.close();
   }
 }
 
@@ -99,6 +125,8 @@ void bittorrent::resumeTorrent(const QString& hash){
   torrent_handle h = s->find_torrent(misc::fromString<sha1_hash>((hash.toStdString())));
   if(h.is_valid() && h.is_paused()){
     h.resume();
+    // Delete .paused file
+    QFile::remove(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".paused");
   }
 }
 
@@ -253,6 +281,11 @@ void bittorrent::addTorrent(const QString& path, bool fromScanDir, const QString
   }
 }
 
+// Set the maximum number of opened connections
+void bittorrent::setMaxConnections(int maxConnec){
+  s->set_max_connections(maxConnec);
+}
+
 // Check in .pieces file if the user filtered files
 // in this torrent.
 bool bittorrent::hasFilteredFiles(const QString& fileHash) const{
@@ -404,16 +437,18 @@ void bittorrent::scanDirectory(){
     foreach(file, files){
       QString fullPath = dir.path()+QDir::separator()+file;
       if(fullPath.endsWith(".torrent")){
-        to_add << fullPath;
+        QFile::rename(fullPath, fullPath+QString(".old"));
+        to_add << fullPath+QString(".old");
       }
     }
-    foreach(file, to_add){
-        // TODO: Support torrent addition dialog
-        addTorrent(file, true);
-    }
+    emit scanDirFoundTorrents(to_add);
   }
 }
 
+void bittorrent::setDefaultSavePath(const QString& savepath){
+  defaultSavePath = savepath;
+}
+
 // Enable directory scanning
 void bittorrent::enableDirectoryScanning(const QString& _scan_dir){
   if(!_scan_dir.isEmpty()){
@@ -501,7 +536,7 @@ void bittorrent::readAlerts(){
       emit finishedTorrent(p->handle);
     }
     else if (file_error_alert* p = dynamic_cast<file_error_alert*>(a.get())){
-      emit fullDiskError(QString(p->handle.get_torrent_info().name().c_str()));
+      emit fullDiskError(p->handle);
     }
     else if (dynamic_cast<listen_failed_alert*>(a.get())){
       // Level: fatal
@@ -520,6 +555,71 @@ void bittorrent::readAlerts(){
   }
 }
 
+void bittorrent::reloadTorrent(const torrent_handle &h, bool compact_mode){
+  QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
+  fs::path saveDir = h.save_path();
+  QString fileName = QString(h.name().c_str());
+  QString fileHash = QString(misc::toString(h.info_hash()).c_str());
+  qDebug("Reloading torrent: %s", (const char*)fileName.toUtf8());
+  torrent_handle new_h;
+  entry resumeData;
+  torrent_info t = h.get_torrent_info();
+    // Checking if torrentBackup Dir exists
+  // create it if it is not
+  if(! torrentBackup.exists()){
+    torrentBackup.mkpath(torrentBackup.path());
+  }
+  // Write fast resume data
+  // Pause download (needed before fast resume writing)
+  h.pause();
+  // Extracting resume data
+  if (h.has_metadata()){
+    // get fast resume data
+    resumeData = h.write_resume_data();
+  }
+  // Remove torrent
+  s->remove_torrent(h);
+  // Add torrent again to session
+  unsigned short timeout = 0;
+  while(h.is_valid() && timeout < 6){
+    SleeperThread::msleep(1000);
+    ++timeout;
+  }
+  if(h.is_valid()){
+    std::cerr << "Error: Couldn't reload the torrent\n";
+    return;
+  }
+  new_h = s->add_torrent(t, saveDir, resumeData, compact_mode);
+  if(compact_mode){
+    qDebug("Using compact allocation mode");
+  }else{
+    qDebug("Using full allocation mode");
+  }
+
+//   new_h.set_max_connections(60);
+  new_h.set_max_uploads(-1);
+  // Load filtered Files
+  loadFilteredFiles(new_h);
+
+  // Pause torrent if it was paused last time
+  if(QFile::exists(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".paused")){
+    new_h.pause();
+  }
+  // Incremental download
+  if(QFile::exists(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".incremental")){
+    qDebug("Incremental download enabled for %s", (const char*)fileName.toUtf8());
+    new_h.set_sequenced_download_threshold(15);
+  }
+}
+
+int bittorrent::getListenPort() const{
+  return s->listen_port();
+}
+
+session_status bittorrent::getSessionStatus() const{
+  return s->status();
+}
+
 QString bittorrent::getSavePath(const QString& hash){
   QFile savepath_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".savepath");
   QByteArray line;
@@ -530,8 +630,8 @@ QString bittorrent::getSavePath(const QString& hash){
     qDebug("Save path: %s", line.data());
     savePath = QString::fromUtf8(line.data());
   }else{
-    //TODO: always create .savepath file
-//     savePath = options->getSavePath();
+    // use default save path
+    savePath = defaultSavePath;
   }
   // Checking if savePath Dir exists
   // create it if it is not
@@ -539,9 +639,106 @@ QString bittorrent::getSavePath(const QString& hash){
   if(!saveDir.exists()){
     if(!saveDir.mkpath(saveDir.path())){
       std::cerr << "Couldn't create the save directory: " << (const char*)saveDir.path().toUtf8() << "\n";
-      // TODO: handle this better
+      // XXX: handle this better
       return QDir::homePath();
     }
   }
   return savePath;
 }
+
+// Take an url string to a torrent file,
+// download the torrent file to a tmp location, then
+// add it to download list
+void bittorrent::downloadFromUrl(const QString& url){
+  // Launch downloader thread
+  downloader->downloadUrl(url);
+}
+
+// Add to bittorrent session the downloaded torrent file
+void bittorrent::processDownloadedFile(const QString& url, const QString& file_path, int return_code, const QString& errorBuffer){
+  if(return_code){
+    // Download failed
+    emit downloadFromUrlFailure(url, errorBuffer);
+    QFile::remove(file_path);
+    return;
+  }
+  // Add file to torrent download list
+  emit newDownloadedTorrent(file_path, url);
+}
+
+void bittorrent::downloadFromURLList(const QStringList& url_list){
+  QString url;
+  foreach(url, url_list){
+    downloadFromUrl(url);
+  }
+}
+
+// Return current download rate for the BT
+// session. Payload means that it only take into
+// account "useful" part of the rate
+float bittorrent::getPayloadDownloadRate() const{
+  session_status sessionStatus = s->status();
+  return sessionStatus.payload_download_rate;
+}
+
+// Return current upload rate for the BT
+// session. Payload means that it only take into
+// account "useful" part of the rate
+float bittorrent::getPayloadUploadRate() const{
+  session_status sessionStatus = s->status();
+  return sessionStatus.payload_upload_rate;
+}
+
+// Return a vector with all torrent handles in it
+std::vector<torrent_handle> bittorrent::getTorrentHandles() const{
+  return s->get_torrents();
+}
+
+// Return a vector with all finished torrent handles in it
+QList<torrent_handle> bittorrent::getFinishedTorrentHandles() const{
+  QList<torrent_handle> finished;
+  std::vector<torrent_handle> handles;
+  for(unsigned int i=0; i<handles.size(); ++i){
+    torrent_handle h = handles[i];
+    if(h.is_seed()){
+      finished << h;
+    }
+  }
+  return finished;
+}
+
+// Save DHT entry to hard drive
+void bittorrent::saveDHTEntry(){
+  // Save DHT entry
+  if(DHTEnabled){
+    try{
+      entry dht_state = s->dht_state();
+      boost::filesystem::ofstream out((const char*)(misc::qBittorrentPath()+QString("dht_state")).toUtf8(), std::ios_base::binary);
+      out.unsetf(std::ios_base::skipws);
+      bencode(std::ostream_iterator<char>(out), dht_state);
+    }catch (std::exception& e){
+      std::cerr << e.what() << "\n";
+    }
+  }
+}
+
+// Will fast resume unfinished torrents in
+// backup directory
+void bittorrent::resumeUnfinished(){
+  qDebug("Resuming unfinished torrents");
+  QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
+  QStringList fileNames, filePaths;
+  // Scan torrentBackup directory
+  fileNames = torrentBackup.entryList();
+  QString fileName;
+  foreach(fileName, fileNames){
+    if(fileName.endsWith(".torrent")){
+      filePaths.append(torrentBackup.path()+QDir::separator()+fileName);
+    }
+  }
+  // Resume downloads
+  foreach(fileName, filePaths){
+    addTorrent(fileName);
+  }
+  qDebug("Unfinished torrents resumed");
+}

src/bittorrent.h

@@ -51,6 +51,8 @@
 using namespace libtorrent;
 namespace fs = boost::filesystem;
 
+class downloadThread;
+
 class bittorrent : public QObject{
   Q_OBJECT
 
@@ -60,59 +62,77 @@ class bittorrent : public QObject{
     QString scan_dir;
     QTimer *timerScan;
     QTimer *timerAlerts;
-    QWidget *parent;
+    downloadThread *downloader;
     QStringList supported_preview_extensions;
-
-    // Constructor / Destructor
-    bittorrent();
-    ~bittorrent();
+    QString defaultSavePath;
 
   protected:
     QString getSavePath(const QString& hash);
 
   public:
+    // Constructor / Destructor
+    bittorrent();
+    ~bittorrent();
     torrent_handle getTorrentHandle(const QString& hash) const;
+    std::vector<torrent_handle> getTorrentHandles() const;
+    bool isPaused(const QString& hash) const;
     bool hasFilteredFiles(const QString& fileHash) const;
     bool isFilePreviewPossible(const QString& fileHash) const;
     bool isDHTEnabled() const;
+    float getPayloadDownloadRate() const;
+    float getPayloadUploadRate() const;
+    QList<torrent_handle> getFinishedTorrentHandles() const;
+    session_status getSessionStatus() const;
+    int getListenPort() const;
 
   public slots:
     void addTorrent(const QString& path, bool fromScanDir = false, const QString& from_url = QString());
+    void downloadFromUrl(const QString& url);
+    void downloadFromURLList(const QStringList& url_list);
     void deleteTorrent(const QString& hash, bool permanent = false);
     void pauseTorrent(const QString& hash);
     void resumeTorrent(const QString& hash);
     void enableDHT();
     void disableDHT();
+    void saveDHTEntry();
     void saveFastResumeData();
     void enableDirectoryScanning(const QString& scan_dir);
     void disableDirectoryScanning();
     void enablePeerExchange();
     void enableIPFilter(ip_filter filter);
     void disableIPFilter();
+    void reloadTorrent(const torrent_handle &h, bool compact_mode = true);
+    void resumeUnfinishedTorrents();
     // Session configuration - Setters
     void setListeningPortsRange(std::pair<unsigned short, unsigned short> ports);
+    void setMaxConnections(int maxConnec);
     void setDownloadRateLimit(int rate);
     void setUploadRateLimit(int rate);
     void setGlobalRatio(float ratio);
     void setDHTPort(int dht_port);
     void setSessionSettings(session_settings sessionSettings);
+    void setDefaultSavePath(const QString& savepath);
 
   protected slots:
     void cleanDeleter(deleteThread* deleter);
     void loadFilteredFiles(torrent_handle& h);
     void scanDirectory();
     void readAlerts();
+    void processDownloadedFile(const QString&, const QString&, int, const QString&);
+    void resumeUnfinished();
 
   signals:
     void invalidTorrent(const QString& path);
     void duplicateTorrent(const QString& path);
     void addedTorrent(const QString& path, torrent_handle& h, bool fastResume);
-    void resumedTorrent(const QString& path);
     void finishedTorrent(torrent_handle& h);
-    void fullDiskError(const QString& fileName);
+    void fullDiskError(torrent_handle& h);
     void trackerError(const QString& hash, const QString& time, const QString& msg);
     void portListeningFailure();
     void trackerAuthenticationRequired(torrent_handle& h);
+    void downloadFromUrlFailure(const QString& url, const QString& error);
+    void scanDirFoundTorrents(const QStringList& pathList);
+    void newDownloadedTorrent(const QString& path, const QString& url);
 };
 
 #endif

src/downloadThread.h

@@ -42,7 +42,7 @@ class downloadThread : public QThread {
     QWaitCondition condition;
 
   signals:
-    void downloadFinished(QString url, QString file_path, int return_code, QString errorBuffer);
+    void downloadFinished(const QString& url, const QString& file_path, int return_code, const QString& errorBuffer);
 
   public:
     downloadThread(QObject* parent) : QThread(parent){}
@@ -144,6 +144,7 @@ class downloadThread : public QThread {
 	  qDebug("In Download thread RUN, mutex unlocked (no urls) -> stopping");
           break;
         }
+        SleeperThread::msleep(500);
       }
     }
 };

src/options_imp.cpp

@@ -317,10 +317,14 @@ void options_imp::loadOptions(){
   strValue = settings.value("ScanDir", QString()).toString();
   if(!strValue.isEmpty()){
     enableScan_checkBox->setChecked(true);
+    lbl_scanDir->setEnabled(true);
     scanDir->setEnabled(true);
+    browse_button_scan->setEnabled(true);
     scanDir->setText(strValue);
   }else{
     enableScan_checkBox->setChecked(false);
+    lbl_scanDir->setEnabled(false);
+    browse_button_scan->setEnabled(false);
     scanDir->setEnabled(false);
   }
   // End Main options

src/properties_imp.cpp

@@ -100,6 +100,7 @@ properties::properties(QWidget *parent, torrent_handle h, QStringList trackerErr
 }
 
 properties::~properties(){
+  qDebug("Properties destroyed");
   delete updateProgressTimer;
   delete PropDelegate;
   delete PropListModel;

src/torrentAddition.h

@@ -86,7 +86,14 @@ class torrentAdditionDialog : public QDialog, private Ui_addTorrentDialog{
         // Setting file name
         fileName = QString(t.name().c_str());
         fileHash = QString(misc::toString(t.info_hash()).c_str());
-        fileNameLbl->setText("<center><b>"+fileName+"</b></center>");
+        // Use left() to remove .old extension
+        QString newFileName;
+        if(fileName.endsWith(".old")){
+          newFileName = fileName.left(fileName.size()-4);
+        }else{
+          newFileName = fileName;
+        }
+        fileNameLbl->setText("<center><b>"+newFileName+"</b></center>");
         // List files in torrent
         for(int i=0; i<t.num_files(); ++i){
           QStringList line;