git.maemo.org Git - qtrapids/blob - src/server/TorrentSession.cpp

   1 #include "TorrentSession.hpp"
   2 #include "TorrentHandle.hpp"
   3 #include "AlertWaiterThread.hpp"
   4 #include "ServerDb.hpp"
   5 #include <qtrapids/error.hpp>
   6
   7 namespace qtrapids
   8 {
   9
  10
  11
  12 TorrentSession::TorrentSession(QObject *parent, QSettings *settings)
  13                 : QObject(parent)
  14                 , btSession_()
  15                 , alertWaiter_(new AlertWaiterThread(&btSession_, this))
  16                 , settings_(new ServerSettings(*settings))
  17                 , db_(new ServerDb(settings_.get()))
  18 {
  19         qDBusRegisterMetaType<qtrapids::TorrentState>();
  20         qDBusRegisterMetaType<qtrapids::ParamsMap_t>();
  21         new QtRapidsServer(this);
  22
  23         QDBusConnection dbus = QDBusConnection::sessionBus();
  24         dbus.registerObject("/qtrapids", this);
  25         dbus.registerService("com.ixonos.qtrapids");
  26
  27         alertWaiter_->allAlerts();
  28         connect(alertWaiter_, SIGNAL(alert()), this, SLOT(on_alert()));
  29         alertWaiter_->start();
  30
  31         loadState();
  32
  33         // Lets force applying rate limits to local network also, at least for testing.
  34         // Also, on the N900 device, rate limiting is necessary due to limited processign power
  35         session_settings_t sessionSettings;
  36         sessionSettings.ignore_limits_on_local_network = false;
  37         btSession_.set_settings(sessionSettings);
  38
  39 }
  40
  41 void TorrentSession::loadState()
  42 {
  43         TorrentDownloadInfo info;
  44         TorrentsStorage storage(*db_);
  45         while (storage.nextTorrent(info)) {
  46 #ifdef QTRAPIDS_DEBUG
  47                 qDebug() << "adding " << info.path;
  48 #endif
  49                 addTorrent_(info.path, info.download_path, ParamsMap_t(), true);
  50         }
  51         btSession_.listen_on(settings_->getListenPorts());
  52 }
  53
  54 void TorrentSession::on_alert()
  55 {
  56         std::auto_ptr<alert_t> alertPtr = btSession_.pop_alert();
  57
  58         if (alertPtr.get() != NULL) {
  59
  60                 torrent_alert_t *ta = dynamic_cast<torrent_alert_t*> (alertPtr.get());
  61
  62 #ifdef QTRAPIDS_DEBUG
  63                 qDebug()
  64                 << "TorrentSession::on_alert(): "
  65                 << QString::fromStdString(alertPtr->message());
  66 #endif
  67
  68                 if (ta) {
  69                         if (!ta->handle.is_valid()) {
  70 #ifdef QTRAPIDS_DEBUG
  71                                 qDebug() << "handle is invalid";
  72 #endif
  73                                 return;
  74                         }
  75
  76                         TorrentHandle handle(ta->handle);
  77                         TorrentState state;
  78
  79                         state.hash = Hash2QStr(handle.hash());
  80                         state.action = TorrentState::action_update;
  81                         state.state = handle.state();
  82                         state.progress = handle.progress() * torrent_progress_max;
  83                         state.down_rate = handle.downloadRate();
  84                         state.up_rate = handle.uploadRate();
  85                         state.seeds = handle.numSeeds();
  86                         state.leeches = handle.numLeeches();
  87                         state.total_size = handle.getTotalSize();
  88                         state.total_done = handle.getTotalDone();
  89
  90                         ParamsMap_t params;
  91                         emit alert(state, params);
  92                 }
  93
  94         }
  95 }
  96
  97 void TorrentSession::getState()
  98 {
  99         torrents_t::const_iterator p;
 100         for (p = torrents_.constBegin(); p != torrents_.constEnd(); ++p) {
 101                 TorrentHandlePtr handle = *p;
 102                 TorrentState state;
 103                 QString hash = Hash2QStr(handle->hash());
 104
 105                 state.hash = hash;
 106                 state.name = handle->name();
 107                 state.action = TorrentState::action_add;
 108                 state.state = handle->state();
 109                 state.progress = handle->progress() * torrent_progress_max;
 110                 state.down_rate = handle->downloadRate();
 111                 state.up_rate = handle->uploadRate();
 112                 state.seeds = handle->numSeeds();
 113                 state.leeches = handle->numLeeches();
 114                 state.total_size = handle->getTotalSize();
 115
 116                 emit alert(state, ParamsMap_t());
 117         }
 118 }
 119
 120 void TorrentSession::addTorrent(const QString &path, const QString &save_path
 121                                 , qtrapids::ParamsMap_t other_params)
 122 {
 123         return addTorrent_(path, save_path, other_params, false);
 124 }
 125
 126 void TorrentSession::addTorrent_(const QString &path, const QString &save_path
 127                                  , const qtrapids::ParamsMap_t &other_params
 128                                  , bool is_restore_session)
 129 {
 130         add_torrent_params_t addParams;
 131         QFile torrent_file(path);
 132         QDir::home().mkdir(settings_->getTorrentsSubDir());
 133
 134         if (!torrent_file.exists()) {
 135                 qWarning() << "Torrent file " << path << "doesn't exist";
 136                 return;
 137         }
 138
 139         QString new_torrent_fname(QDir(settings_->getTorrentsDir())
 140                                   .filePath(QFileInfo(path).fileName()));
 141 #ifdef QTRAPIDS_DEBUG
 142         qDebug() << "copy to " << new_torrent_fname;
 143 #endif
 144
 145         torrent_file.copy(new_torrent_fname);
 146
 147 #ifdef QTRAPIDS_DEBUG
 148         qDebug() << "addTorrent: " << path << " save to " << save_path;
 149 #endif
 150
 151         boost::intrusive_ptr<libtorrent::torrent_info> tiTmp
 152         = new libtorrent::torrent_info
 153         (boost::filesystem::path(new_torrent_fname.toStdString()));
 154         addParams.ti = tiTmp;
 155
 156         QString download_dir;
 157         if (!save_path.isEmpty()) {
 158                 download_dir = save_path;
 159         } else {
 160                 download_dir = settings_->getDownloadDir();
 161         }
 162         // save_path is the only mandatory parameter, rest are optional.
 163         addParams.save_path = boost::filesystem::path(download_dir.toStdString());
 164         //addParams.storage_mode = libtorrent::storage_mode_allocate;
 165
 166         TorrentHandlePtr handle(new TorrentHandle(btSession_.add_torrent(addParams)));
 167         QString hash = Hash2QStr(handle->hash());
 168
 169         if (!is_restore_session) {
 170                 db_->addTorrent(hash, path, save_path);
 171         }
 172
 173         TorrentState state;
 174
 175         state.hash = hash;
 176         state.name = handle->name();
 177         state.action = TorrentState::action_add;
 178         state.state = handle->state();
 179         state.progress = handle->progress() * torrent_progress_max;
 180         state.down_rate = handle->downloadRate();
 181         state.up_rate = handle->uploadRate();
 182         state.seeds = handle->numSeeds();
 183         state.leeches = handle->numLeeches();
 184         state.total_size = handle->getTotalSize();
 185
 186         torrents_[hash] = handle;
 187
 188         emit alert(state, ParamsMap_t());
 189 }
 190
 191 void TorrentSession::removeTorrent(const QString &hash)
 192 {
 193         torrents_t::iterator p = torrents_.find(hash);
 194
 195         if (p == torrents_.end()) {
 196 #ifdef QTRAPIDS_DEBUG
 197                 qDebug() << "Invalid request to remove torrent with hash " << hash;
 198 #endif
 199                 return;
 200         }
 201         try {
 202                 btSession_.remove_torrent(p.value()->getHandle());
 203         } catch (torrent_exception_t e) {
 204                 qDebug() << // e.what()
 205                 "exception catched"
 206                 ;
 207         }
 208
 209         TorrentState state;
 210         state.hash = hash;
 211         state.action = TorrentState::action_remove;
 212         emit alert(state, ParamsMap_t());
 213         torrents_.erase(p);
 214         db_->removeTorrent(hash);
 215 }
 216
 217
 218 void TorrentSession::setOptions(qtrapids::ParamsMap_t options)
 219 {
 220         qtrapids::ParamsMapConstIterator_t end = options.end();
 221         qtrapids::ParamsMapConstIterator_t tmpIter = options.find("net/downloadRate");
 222         int rate = -1;
 223
 224         // Apply settings immediately to Bittorrent session:
 225         // NOTE: QHash interface is not quite STL-like
 226
 227         if (tmpIter != end) {
 228                 rate = tmpIter.value().toInt();
 229                 btSession_.set_download_rate_limit(rate);
 230         }
 231
 232         tmpIter = options.find("net/uploadRate");
 233         if (tmpIter != end) {
 234                 rate = tmpIter.value().toInt();
 235                 btSession_.set_upload_rate_limit(rate);
 236         }
 237
 238         /// @todo Add more immediately applicable settings here, if needed.
 239
 240         // Finally, save settings to persistent storage:
 241         settings_->setOptions(options);
 242 }
 243
 244
 245 qtrapids::ParamsMap_t TorrentSession::getOptions()
 246 {
 247         return settings_->getOptions();
 248 }
 249
 250
 251 void TorrentSession::terminateSession()
 252 {
 253         qDebug() << "Terminate called";
 254         emit terminate();
 255 }
 256
 257 } // namespace qtrapids