std::string make_magnet_uri(torrent_info const& info)
{
std::string ret;
sha1_hash const& ih = info.info_hash();
ret += "magnet:?xt=urn:btih:";
ret += aux::to_hex(ih);
std::string const& name = info.name();
if (!name.empty())
{
ret += "&dn=";
ret += escape_string(name);
}
for (auto const& tr : info.trackers())
{
ret += "&tr=";
ret += escape_string(tr.url);
}
for (auto const& s : info.web_seeds())
{
if (s.type != web_seed_entry::url_seed) continue;
ret += "&ws=";
ret += escape_string(s.url);
}
return ret;
}
std::string make_magnet_uri(torrent_info const& info)
{
std::string ret;
sha1_hash const& ih = info.info_hash();
ret += "magnet:?xt=urn:btih:";
ret += to_hex(ih.to_string());
std::string const& name = info.name();
if (!name.empty())
{
ret += "&dn=";
ret += escape_string(name.c_str(), name.length());
}
std::vector<announce_entry> const& tr = info.trackers();
for (std::vector<announce_entry>::const_iterator i = tr.begin(), end(tr.end()); i != end; ++i)
{
ret += "&tr=";
ret += escape_string(i->url.c_str(), i->url.length());
}
std::vector<web_seed_entry> const& seeds = info.web_seeds();
for (std::vector<web_seed_entry>::const_iterator i = seeds.begin()
, end(seeds.end()); i != end; ++i)
{
if (i->type != web_seed_entry::url_seed) continue;
ret += "&ws=";
ret += escape_string(i->url.c_str(), i->url.length());
}
return ret;
}
static QPair<int, int> get_file_extremity_pieces(const torrent_info& t, int file_index)
{
const int num_pieces = t.num_pieces();
const int piece_size = t.piece_length();
const file_entry& file = t.file_at(file_index);
// Determine the first and last piece of the file
int first_piece = floor((file.offset + 1) / (float) piece_size);
Q_ASSERT(first_piece >= 0 && first_piece < num_pieces);
int num_pieces_in_file = ceil(file.size / (float) piece_size);
int last_piece = first_piece + num_pieces_in_file - 1;
Q_ASSERT(last_piece >= 0 && last_piece < num_pieces);
return qMakePair(first_piece, last_piece);
}
std::string make_magnet_uri(torrent_info const& info)
{
std::stringstream ret;
if (!info.is_valid()) return ret.str();
std::string name = info.name();
ret << "magnet:?xt=urn:btih:" << base32encode(
std::string((char*)info.info_hash().begin(), 20));
if (!name.empty())
ret << "&dn=" << escape_string(name.c_str(), name.length());
std::vector<announce_entry> const& tr = info.trackers();
if (!tr.empty())
{
ret << "&tr=" << escape_string(tr[0].url.c_str()
, tr[0].url.length());
}
return ret.str();
}
std::string make_magnet_uri(torrent_info const& info)
{
char ret[1024];
int num_chars = snprintf(ret, sizeof(ret), "magnet:?xt=urn:btih:%s"
, base32encode(std::string((char*)info.info_hash().begin(), 20)).c_str());
std::string const& name = info.name();
if (!name.empty())
num_chars += snprintf(ret + num_chars, sizeof(ret) - num_chars, "&dn=%s"
, escape_string(name.c_str(), name.length()).c_str());
std::vector<announce_entry> const& tr = info.trackers();
if (!tr.empty())
{
num_chars += snprintf(ret + num_chars, sizeof(ret) - num_chars, "&tr=%s"
, escape_string(tr[0].url.c_str(), tr[0].url.length()).c_str());
}
return ret;
}
openmagnet_info* TorrentManager::GetTorrentInfo(const torrent_handle& handle)
{
if (handle.is_valid())
{
openmagnet_info* info = new openmagnet_info;
#if LIBTORRENT_VERSION_NUM >= 10000
boost::intrusive_ptr<torrent_info const> ti = handle.torrent_file();
info->size = ti->total_size();
info->name = QString::fromUtf8(ti->name().c_str());
info->describtion = QString::fromUtf8(ti->comment().c_str());
info->files = ti->files();
info->infoHash = QString::fromStdString(to_hex(ti->info_hash().to_string()));
#else
const torrent_info ti = handle.get_torrent_info();
info->size = ti.total_size();
info->name = QString::fromUtf8(ti.name().c_str());
info->describtion = QString::fromUtf8(ti.comment().c_str());
info->files = ti.files();
info->infoHash = QString::fromStdString(to_hex(ti.info_hash().to_string()));
#endif
info->handle = handle;
info->baseSuffix = StaticHelpers::GetBaseSuffix(info->files);
return info;
}
return NULL;
}
void TorrentManager::handle_alert(alert* a)
{
QString dataDir = QDesktopServices::storageLocation(QDesktopServices::DataLocation);
TORRENT_TRY
{
switch (a->type())
{
case tracker_reply_alert::alert_type:
{
tracker_reply_alert* p = alert_cast<tracker_reply_alert>(a);
Torrent* pTorrent = m_pTorrentStorrage->getTorrent(QString::fromStdString(to_hex(p->handle.info_hash().to_string())));
if (pTorrent != NULL)
{
pTorrent->SetTrackerPeersCnt(QString::fromStdString(p->url), p->num_peers);
}
break;
}
case file_error_alert::alert_type:
{
file_error_alert* p = alert_cast<file_error_alert>(a);
QString message = StaticHelpers::translateLibTorrentError(p->error);
message.append(QString::fromUtf8(p->message().c_str()));
emit Notify(NotificationSystem::DISK_ERROR, message, QVariant());
break;
}
case torrent_finished_alert::alert_type:
{
torrent_finished_alert* p = alert_cast<torrent_finished_alert>(a);
p->handle.set_max_connections(max_connections_per_torrent / 2);
torrent_handle h = p->handle;
QString infoHash = QString::fromStdString(to_hex(h.info_hash().to_string()));
Torrent* pTorrent = m_pTorrentStorrage->getTorrent(infoHash);
if (pTorrent != NULL)
{
if (pTorrent->isSquential())
{
pTorrent->seqensialDownload();
}
if (!pTorrent->isPrevioslySeeded())
{
emit Notify(NotificationSystem::TORRENT_COMPLETED, tr("TORRENT_COMPLETED %1").arg(pTorrent->GetName()), StaticHelpers::CombinePathes(pTorrent->GetSavePath(), pTorrent->GetName()));
}
}
h.save_resume_data();
break;
}
case save_resume_data_failed_alert::alert_type:
{
save_resume_data_failed_alert* p = alert_cast<save_resume_data_failed_alert>(a);
p->handle.save_resume_data();
break;
}
case save_resume_data_alert::alert_type:
{
save_resume_data_alert* p = alert_cast<save_resume_data_alert>(a);
torrent_handle h = p->handle;
if (p->resume_data)
{
std::vector<char> out;
entry e = *p->resume_data;
QString info_hash = QString::fromStdString(to_hex(h.info_hash().to_string()));
Torrent* torrent = m_pTorrentStorrage->getTorrent(info_hash);
if (torrent != NULL)
{
bool isSeed = torrent->isSeeding();
e["torrent_group"] = torrent->GetGroup().toUtf8().data();
e["torrent_name"] =
#if LIBTORRENT_VERSION_NUM >= 10000
h.status(torrent_handle::query_name).name;
#else
h.name();
#endif
e["is_previous_seed"] = isSeed ? 1 : 0;
torrent->setIsPrevioslySeeded(isSeed);
}
bencode(back_inserter(out), e);
save_file(StaticHelpers::CombinePathes(dataDir, "BtSessionData", info_hash + ".resume").toStdString(), out);
if (m_bIsSaveSessionInitiated)
{
num_outstanding_resume_data--;
}
}
break;
}
case tracker_error_alert::alert_type:
{
tracker_error_alert* p = alert_cast<tracker_error_alert>(a);
QString message = StaticHelpers::translateLibTorrentError(p->error);
message.append(QString::fromLocal8Bit(p->message().c_str()));
emit Notify(NotificationSystem::TRACKER_ERROR, message, QVariant());
break;
}
case storage_moved_alert::alert_type:
{
storage_moved_alert* p = alert_cast<storage_moved_alert>(a);
torrent_handle h = p->handle;
if (h.is_valid())
{
h.save_resume_data();
}
QString infoHash = QString::fromStdString(to_hex(h.info_hash().to_string()));
Torrent* pTorrent = m_pTorrentStorrage->getTorrent(infoHash);
if (pTorrent != NULL)
{
emit Notify(NotificationSystem::TORRENT_INFO, tr("MOVE_STORRAGE_COMPLETED_TO:\n%1 %2").arg(pTorrent->GetName(), pTorrent->GetSavePath()), pTorrent->GetSavePath());
pTorrent->CompliteMoveStorrage();
}
break;
}
case fastresume_rejected_alert::alert_type:
{
fastresume_rejected_alert* p = alert_cast<fastresume_rejected_alert>(a);
torrent_handle h = p->handle;
h.auto_managed(false);
h.pause();
emit Notify(NotificationSystem::TORRENT_ERROR, StaticHelpers::translateLibTorrentError(p->error), QVariant());
break;
}
case metadata_received_alert::alert_type:
{
metadata_received_alert* p = alert_cast<metadata_received_alert>(a);
torrent_handle h = p->handle;
if (h.is_valid())
{
try
{
#if LIBTORRENT_VERSION_NUM >= 10000
boost::intrusive_ptr<torrent_info const> ti = h.torrent_file();
if (ti != NULL)
{
create_torrent ct(*ti.get());
QString info_hash = QString::fromStdString(to_hex(ti->info_hash().to_string()));
#else
const torrent_info ti = h.get_torrent_info();
{
create_torrent ct(ti);
QString info_hash = QString::fromStdString(to_hex(ti.info_hash().to_string()));
#endif
std::ofstream out(StaticHelpers::CombinePathes(dataDir, "BtSessionData", info_hash + ".torrent").toStdString(), std::ios_base::binary);
bencode(std::ostream_iterator<char>(out), ct.generate());
}
}
catch (...)
{
qCritical() << "Exception in metadata_received_alert";
}
}
break;
}
case portmap_alert::alert_type:
{
portmap_alert* alert = alert_cast<portmap_alert>(a);
emit Notify(NotificationSystem::SYSTEM_ERROR, QString::fromUtf8(alert->message().c_str()), QVariant());
}
case state_update_alert::alert_type:
{
state_update_alert* p = alert_cast<state_update_alert>(a);
for (int i = 0; i < p->status.size(); i++)
{
torrent_status status = p->status[i];
QString infoHash = QString::fromStdString(to_hex(status.info_hash.to_string()));
Torrent* torrent = m_pTorrentStorrage->getTorrent(infoHash);
if (torrent != NULL)
{
torrent->UpdateStatus(status);
}
}
break;
}
case performance_alert::alert_type:
/*{
performance_alert* p=alert_cast<performance_alert>(a);
session_settings settings = ses->settings();
switch (p->warning_code)
{
case performance_alert::outstanding_disk_buffer_limit_reached:
{
settings.max_queued_disk_bytes+=settings.max_queued_disk_bytes/4;
break;
}
case performance_alert::outstanding_request_limit_reached:
{
settings.max_out_request_queue+=settings.max_out_request_queue/4;
break;
}
case performance_alert::upload_limit_too_low:
{
settings.upload_rate_limit+=settings.upload_rate_limit*5/100;
break;
}
case performance_alert::download_limit_too_low:
{
settings.download_rate_limit+=settings.download_rate_limit*5/100;
break;
}
case performance_alert::send_buffer_watermark_too_low:
{
settings.send_buffer_watermark+=settings.send_buffer_watermark/4;
break;
}
case performance_alert::too_many_optimistic_unchoke_slots:
{
settings.unchoke_slots_limit+= settings.unchoke_slots_limit/4;
break;
}
case performance_alert::too_high_disk_queue_limit:
{
if (settings.max_queued_disk_bytes-settings.max_queued_disk_bytes/4 < 16*KbInt)
{
settings.max_queued_disk_bytes=settings.max_queued_disk_bytes-settings.max_queued_disk_bytes/4;
}
else
{
settings.cache_size+=32;
}
break;
}
}
ses->set_settings(settings);
}*/
case add_torrent_alert::alert_type:
case listen_succeeded_alert::alert_type:
case state_changed_alert::alert_type:
case torrent_added_alert::alert_type:
case torrent_checked_alert::alert_type:
case torrent_resumed_alert::alert_type:
case torrent_paused_alert::alert_type:
case torrent_removed_alert::alert_type:
case cache_flushed_alert::alert_type:
case torrent_deleted_alert::alert_type:
case external_ip_alert::alert_type:
case udp_error_alert::alert_type:
case dht_reply_alert::alert_type:
case tracker_announce_alert::alert_type:
break;
default:
{
QString information = QString::fromUtf8(a->message().c_str());
if ((a->category() & alert::error_notification) == alert::error_notification)
{
emit Notify(NotificationSystem::ERRORS, information, QVariant());
}
else
{
emit Notify(NotificationSystem::TORRENT_INFO, information, QVariant());
}
break;
}
}
}
TORRENT_CATCH(std::exception & e)
{
qCritical() << "exception in handle_alert" << e.what();
}
}
