C++ QTorrentHandle::is_seed方法代码示例

/**
 * Returns the files in a torrent in JSON format.
 *
 * The return value is a JSON-formatted list of dictionaries.
 * The dictionary keys are:
 *   - "name": File name
 *   - "size": File size
 *   - "progress": File progress
 *   - "priority": File priority
 *   - "is_seed": Flag indicating if torrent is seeding/complete
 */
QByteArray btjson::getFilesForTorrent(const QString& hash)
{
    CACHED_VARIABLE_FOR_HASH(QVariantList, file_list, CACHE_DURATION_MS, hash);
    try {
        QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
        if (!h.has_metadata())
            return json::toJson(file_list);

        const std::vector<int> priorities = h.file_priorities();
        std::vector<size_type> fp;
        h.file_progress(fp);
        for (int i = 0; i < h.num_files(); ++i) {
            QVariantMap file_dict;
            QString fileName = h.filepath_at(i);
            if (fileName.endsWith(".!qB", Qt::CaseInsensitive))
                fileName.chop(4);
            file_dict[KEY_FILE_NAME] = fsutils::toNativePath(fileName);
            const size_type size = h.filesize_at(i);
            file_dict[KEY_FILE_SIZE] = static_cast<qlonglong>(size);
            file_dict[KEY_FILE_PROGRESS] = (size > 0) ? (fp[i] / (double) size) : 1.;
            file_dict[KEY_FILE_PRIORITY] = priorities[i];
            if (i == 0)
                file_dict[KEY_FILE_IS_SEED] = h.is_seed();

            file_list.append(file_dict);
        }
    }
    catch (const std::exception& e) {
        qWarning() << Q_FUNC_INFO << "Invalid torrent: " << misc::toQStringU(e.what());
        return QByteArray();
    }

    return json::toJson(file_list);
}

void TransferListWidget::torrentDoubleClicked(const QModelIndex& index) {
  const int row = mapToSource(index).row();
  const QString hash = getHashFromRow(row);
  QTorrentHandle h = BTSession->getTorrentHandle(hash);
  if (!h.is_valid()) return;
  int action;
  if (h.is_seed()) {
    action = Preferences().getActionOnDblClOnTorrentFn();
  } else {
    action = Preferences().getActionOnDblClOnTorrentDl();
  }

  switch(action) {
  case TOGGLE_PAUSE:
    if (h.is_paused()) {
      h.resume();
    } else {
      h.pause();
    }
    break;
  case OPEN_DEST:
    const QString path = h.root_path();
    openUrl(path);
  }
}

void TorrentPersistentData::saveTorrentPersistentData(const QTorrentHandle &h, const QString &save_path, const bool is_magnet) {
  Q_ASSERT(h.is_valid());
  qDebug("Saving persistent data for %s", qPrintable(h.hash()));
  // Save persistent data
  QHash<QString, QVariant> data = all_data.value(h.hash()).toHash();
  data["is_magnet"] = is_magnet;
  if (is_magnet) {
    data["magnet_uri"] = misc::toQString(make_magnet_uri(h));
  }
  data["seed"] = h.is_seed();
  data["priority"] = h.queue_position();
  if (save_path.isEmpty()) {
    qDebug("TorrentPersistantData: save path is %s", qPrintable(h.save_path()));
    data["save_path"] = h.save_path();
  } else {
    qDebug("TorrentPersistantData: overriding save path is %s", qPrintable(save_path));
    data["save_path"] = save_path; // Override torrent save path (e.g. because it is a temp dir)
  }
  // Label
  data["label"] = TorrentTempData::getLabel(h.hash());
  // Save data
  all_data[h.hash()] = data;
  markDirty();
  qDebug("TorrentPersistentData: Saving save_path %s, hash: %s", qPrintable(h.save_path()), qPrintable(h.hash()));
  // Set Added date
  setAddedDate(h.hash(), QDateTime::currentDateTime());
  // Finally, remove temp data
  TorrentTempData::deleteTempData(h.hash());
}

/**
 * Returns the files in a torrent in JSON format.
 *
 * The return value is a JSON-formatted list of dictionaries.
 * The dictionary keys are:
 *   - "name": File name
 *   - "size": File size
 *   - "progress": File progress
 *   - "priority": File priority
 *   - "is_seed": Flag indicating if torrent is seeding/complete
 */
QString btjson::getFilesForTorrent(const QString& hash)
{
  CACHED_VARIABLE_FOR_HASH(JsonList, file_list, CACHE_DURATION_MS, hash);
  try {
    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);
    if (!h.has_metadata())
      return QString();

    const std::vector<int> priorities = h.file_priorities();
    std::vector<size_type> fp;
    h.file_progress(fp);
    for (int i = 0; i < h.num_files(); ++i) {
      JsonDict file_dict;
      QString fileName = h.filename_at(i);
      if (fileName.endsWith(".!qB", Qt::CaseInsensitive))
        fileName.chop(4);
      file_dict.add(KEY_FILE_NAME, fileName);
      const size_type size = h.filesize_at(i);
      file_dict.add(KEY_FILE_SIZE, misc::friendlyUnit(size));
      file_dict.add(KEY_FILE_PROGRESS, (size > 0) ? (fp[i] / (double) size) : 1.);
      file_dict.add(KEY_FILE_PRIORITY, priorities[i]);
      if (i == 0)
        file_dict.add(KEY_FILE_IS_SEED, h.is_seed());

      file_list.append(file_dict);
    }
  } catch (const std::exception& e) {
    qWarning() << Q_FUNC_INFO << "Invalid torrent: " << e.what();
    return QString();
  }

  return file_list.toString();
}

void TorrentPersistentData::saveSeedStatus(const QTorrentHandle &h) {
  QHash<QString, QVariant> data = all_data[h.hash()].toHash();
  bool was_seed = data.value("seed", false).toBool();
  if (was_seed != h.is_seed()) {
    data["seed"] = !was_seed;
    all_data[h.hash()] = data;
    markDirty();
  }
}

/**
 * Returns the properties for a torrent in JSON format.
 *
 * The return value is a JSON-formatted dictionary.
 * The dictionary keys are:
 *   - "save_path": Torrent save path
 *   - "creation_date": Torrent creation date
 *   - "piece_size": Torrent piece size
 *   - "comment": Torrent comment
 *   - "total_wasted": Total data wasted for torrent
 *   - "total_uploaded": Total data uploaded for torrent
 *   - "total_downloaded": Total data uploaded for torrent
 *   - "up_limit": Torrent upload limit
 *   - "dl_limit": Torrent download limit
 *   - "time_elapsed": Torrent elapsed time
 *   - "nb_connections": Torrent connection count
 *   - "share_ratio": Torrent share ratio
 */
QString btjson::getPropertiesForTorrent(const QString& hash)
{
  CACHED_VARIABLE_FOR_HASH(JsonDict, data, CACHE_DURATION_MS, hash);
  try {
    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);

    if (!h.has_metadata())
      return QString();

    // Save path
    QString save_path = TorrentPersistentData::getSavePath(hash);
    if (save_path.isEmpty())
      save_path = h.save_path();
    data.add(KEY_PROP_SAVE_PATH, save_path);
    data.add(KEY_PROP_CREATION_DATE, h.creation_date());
    data.add(KEY_PROP_PIECE_SIZE, misc::friendlyUnit(h.piece_length()));
    data.add(KEY_PROP_COMMENT, h.comment());
    data.add(KEY_PROP_WASTED, misc::friendlyUnit(h.total_failed_bytes() + h.total_redundant_bytes()));
    data.add(KEY_PROP_UPLOADED, QString(misc::friendlyUnit(h.all_time_upload()) + " (" + misc::friendlyUnit(h.total_payload_upload()) + " " + tr("this session") + ")"));
    data.add(KEY_PROP_DOWNLOADED, QString(misc::friendlyUnit(h.all_time_download()) + " (" + misc::friendlyUnit(h.total_payload_download()) + " " + tr("this session") + ")"));
    data.add(KEY_PROP_UP_LIMIT, h.upload_limit() <= 0 ? QString::fromUtf8("∞") : misc::friendlyUnit(h.upload_limit(), true));
    data.add(KEY_PROP_DL_LIMIT, h.download_limit() <= 0 ? QString::fromUtf8("∞") : misc::friendlyUnit(h.download_limit(), true));
    QString elapsed_txt = misc::userFriendlyDuration(h.active_time());
    if (h.is_seed())
      elapsed_txt += " ("+tr("Seeded for %1", "e.g. Seeded for 3m10s").arg(misc::userFriendlyDuration(h.seeding_time()))+")";
    data.add(KEY_PROP_TIME_ELAPSED, elapsed_txt);
    data.add(KEY_PROP_CONNECT_COUNT, QString(QString::number(h.num_connections()) + " (" + tr("%1 max", "e.g. 10 max").arg(QString::number(h.connections_limit())) + ")"));
    const qreal ratio = QBtSession::instance()->getRealRatio(h.hash());
    /* HACK because QString rounds up. Eg QString::number(0.999*100.0, 'f' ,1) == 99.9
    ** but QString::number(0.9999*100.0, 'f' ,1) == 100.0 */
    data.add(KEY_PROP_RATIO, ratio > 100. ? QString::fromUtf8("∞") : QString::number((int)(ratio*10)/10.0, 'f', 1));
  } catch(const std::exception& e) {
    qWarning() << Q_FUNC_INFO << "Invalid torrent: " << e.what();
    return QString();
  }

  return data.toString();
}

/**
 * Returns the properties for a torrent in JSON format.
 *
 * The return value is a JSON-formatted dictionary.
 * The dictionary keys are:
 *   - "save_path": Torrent save path
 *   - "creation_date": Torrent creation date
 *   - "piece_size": Torrent piece size
 *   - "comment": Torrent comment
 *   - "total_wasted": Total data wasted for torrent
 *   - "total_uploaded": Total data uploaded for torrent
 *   - "total_downloaded": Total data uploaded for torrent
 *   - "up_limit": Torrent upload limit
 *   - "dl_limit": Torrent download limit
 *   - "time_elapsed": Torrent elapsed time
 *   - "nb_connections": Torrent connection count
 *   - "share_ratio": Torrent share ratio
 */
QByteArray btjson::getPropertiesForTorrent(const QString& hash)
{
  CACHED_VARIABLE_FOR_HASH(QVariantMap, data, CACHE_DURATION_MS, hash);
  try {
    QTorrentHandle h = QBtSession::instance()->getTorrentHandle(hash);

    libtorrent::torrent_status status = h.status(torrent_handle::query_accurate_download_counters);
    if (!status.has_metadata)
      return QByteArray();

    // Save path
    QString save_path = fsutils::toNativePath(TorrentPersistentData::getSavePath(hash));
    if (save_path.isEmpty())
      save_path = fsutils::toNativePath(h.save_path());
    data[KEY_PROP_SAVE_PATH] = save_path;
    data[KEY_PROP_CREATION_DATE] = h.creation_date();
    data[KEY_PROP_PIECE_SIZE] = misc::friendlyUnit(h.piece_length(), false, true);
    data[KEY_PROP_COMMENT] = h.comment();
    data[KEY_PROP_WASTED] = misc::friendlyUnit(status.total_failed_bytes + status.total_redundant_bytes, false, true);
    data[KEY_PROP_UPLOADED] = QString(misc::friendlyUnit(status.all_time_upload, false, true) + " (" + misc::friendlyUnit(status.total_payload_upload, false, true) + " " + tr("this session") + ")");
    data[KEY_PROP_DOWNLOADED] = QString(misc::friendlyUnit(status.all_time_download, false, true) + " (" + misc::friendlyUnit(status.total_payload_download, false, true) + " " + tr("this session") + ")");
    data[KEY_PROP_UP_LIMIT] = h.upload_limit() <= 0 ? QString::fromUtf8("∞") : misc::friendlyUnit(h.upload_limit(), true, true);
    data[KEY_PROP_DL_LIMIT] = h.download_limit() <= 0 ? QString::fromUtf8("∞") : misc::friendlyUnit(h.download_limit(), true, true);
    QString elapsed_txt = misc::userFriendlyDuration(status.active_time);
    if (h.is_seed(status))
      elapsed_txt += " ("+tr("Seeded for %1", "e.g. Seeded for 3m10s").arg(misc::userFriendlyDuration(status.seeding_time))+")";
    data[KEY_PROP_TIME_ELAPSED] = elapsed_txt;
    data[KEY_PROP_CONNECT_COUNT] = QString(QString::number(status.num_connections) + " (" + tr("%1 max", "e.g. 10 max").arg(QString::number(status.connections_limit)) + ")");
    const qreal ratio = QBtSession::instance()->getRealRatio(status);
    data[KEY_PROP_RATIO] = ratio > 100. ? QString::fromUtf8("∞") : misc::accurateDoubleToString(ratio, 1, false);
  } catch(const std::exception& e) {
    qWarning() << Q_FUNC_INFO << "Invalid torrent: " << e.what();
    return QByteArray();
  }

  return json::toJson(data);
}

static QVariantMap toMap(const QTorrentHandle& h)
{
  libtorrent::torrent_status status = h.status(torrent_handle::query_accurate_download_counters);

  QVariantMap ret;
  ret[KEY_TORRENT_HASH] =  h.hash();
  ret[KEY_TORRENT_NAME] =  h.name();
  ret[KEY_TORRENT_SIZE] =  misc::friendlyUnit(status.total_wanted, false, true); // FIXME: Should pass as Number, not formatted String (for sorting).
  ret[KEY_TORRENT_PROGRESS] =  (double)h.progress(status);
  ret[KEY_TORRENT_DLSPEED] = misc::friendlyUnit(status.download_payload_rate, true, true); // FIXME: Should be passed as a Number
  ret[KEY_TORRENT_UPSPEED] = misc::friendlyUnit(status.upload_payload_rate, true, true); // FIXME: Should be passed as a Number
  if (QBtSession::instance()->isQueueingEnabled() && h.queue_position(status) >= 0)
    ret[KEY_TORRENT_PRIORITY] =  QString::number(h.queue_position(status));
  else
    ret[KEY_TORRENT_PRIORITY] =  "*";
  QString seeds = QString::number(status.num_seeds);
  if (status.num_complete > 0)
    seeds += " ("+QString::number(status.num_complete)+")";
  ret[KEY_TORRENT_SEEDS] =  seeds;
  QString leechs = QString::number(status.num_peers - status.num_seeds);
  if (status.num_incomplete > 0)
    leechs += " ("+QString::number(status.num_incomplete)+")";
  ret[KEY_TORRENT_LEECHS] =  leechs;
  const qreal ratio = QBtSession::instance()->getRealRatio(status);
  ret[KEY_TORRENT_RATIO] = (ratio > 100.) ? QString::fromUtf8("∞") : misc::accurateDoubleToString(ratio, 1, false);
  QString eta;
  QString state;
  if (h.is_paused(status)) {
    if (h.has_error(status))
      state = "error";
    else
      state = h.is_seed(status) ? "pausedUP" : "pausedDL";
  } else {
    if (QBtSession::instance()->isQueueingEnabled() && h.is_queued(status))
      state = h.is_seed(status) ? "queuedUP" : "queuedDL";
    else {
      switch (status.state) {
      case torrent_status::finished:
      case torrent_status::seeding:
        state = status.upload_payload_rate > 0 ? "uploading" : "stalledUP";
        break;
      case torrent_status::allocating:
      case torrent_status::checking_files:
      case torrent_status::queued_for_checking:
      case torrent_status::checking_resume_data:
        state = h.is_seed(status) ? "checkingUP" : "checkingDL";
        break;
      case torrent_status::downloading:
      case torrent_status::downloading_metadata:
        state = status.download_payload_rate > 0 ? "downloading" : "stalledDL";
        eta = misc::userFriendlyDuration(QBtSession::instance()->getETA(h.hash(), status));
        break;
      default:
        qWarning("Unrecognized torrent status, should not happen!!! status was %d", h.state());
      }
    }
  }
  ret[KEY_TORRENT_ETA] =  eta.isEmpty() ? QString::fromUtf8("∞") : eta;
  ret[KEY_TORRENT_STATE] =  state;

  return ret;
}

static JsonDict toJson(const QTorrentHandle& h)
{
  JsonDict ret;
  ret.add(KEY_TORRENT_HASH, h.hash());
  ret.add(KEY_TORRENT_NAME, h.name());
  ret.add(KEY_TORRENT_SIZE, misc::friendlyUnit(h.actual_size())); // FIXME: Should pass as Number, not formatted String (for sorting).
  ret.add(KEY_TORRENT_PROGRESS, (double)h.progress());
  ret.add(KEY_TORRENT_DLSPEED, misc::friendlyUnit(h.download_payload_rate(), true)); // FIXME: Should be passed as a Number
  ret.add(KEY_TORRENT_UPSPEED, misc::friendlyUnit(h.upload_payload_rate(), true)); // FIXME: Should be passed as a Number
  if (QBtSession::instance()->isQueueingEnabled() && h.queue_position() >= 0)
    ret.add(KEY_TORRENT_PRIORITY, QString::number(h.queue_position()));
  else
    ret.add(KEY_TORRENT_PRIORITY, "*");
  QString seeds = QString::number(h.num_seeds());
  if (h.num_complete() > 0)
    seeds += " ("+QString::number(h.num_complete())+")";
  ret.add(KEY_TORRENT_SEEDS, seeds);
  QString leechs = QString::number(h.num_peers() - h.num_seeds());
  if (h.num_incomplete() > 0)
    leechs += " ("+QString::number(h.num_incomplete())+")";
  ret.add(KEY_TORRENT_LEECHS, leechs);
  const qreal ratio = QBtSession::instance()->getRealRatio(h.hash());
  /* HACK because QString rounds up. Eg QString::number(0.999*100.0, 'f' ,1) == 99.9
  ** but QString::number(0.9999*100.0, 'f' ,1) == 100.0 */
  ret.add(KEY_TORRENT_RATIO, (ratio > 100.) ? QString::fromUtf8("∞") : QString::number((int)(ratio*10)/10.0, 'f', 1));
  QString eta;
  QString state;
  if (h.is_paused()) {
    if (h.has_error())
      state = "error";
    else
      state = h.is_seed() ? "pausedUP" : "pausedDL";
  } else {
    if (QBtSession::instance()->isQueueingEnabled() && h.is_queued())
      state = h.is_seed() ? "queuedUP" : "queuedDL";
    else {
      switch (h.state()) {
      case torrent_status::finished:
      case torrent_status::seeding:
        state = h.upload_payload_rate() > 0 ? "uploading" : "stalledUP";
        break;
      case torrent_status::allocating:
      case torrent_status::checking_files:
      case torrent_status::queued_for_checking:
      case torrent_status::checking_resume_data:
        state = h.is_seed() ? "checkingUP" : "checkingDL";
        break;
      case torrent_status::downloading:
      case torrent_status::downloading_metadata:
        state = h.download_payload_rate() > 0 ? "downloading" : "stalledDL";
        eta = misc::userFriendlyDuration(QBtSession::instance()->getETA(h.hash()));
        break;
      default:
        qWarning("Unrecognized torrent status, should not happen!!! status was %d", h.state());
      }
    }
  }
  ret.add(KEY_TORRENT_ETA, eta.isEmpty() ? QString::fromUtf8("∞") : eta);
  ret.add(KEY_TORRENT_STATE, state);

  return ret;
}