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qBittorrent/src/bittorrent.cpp
Christophe Dumez ee6bc3c2e9 - FEATURE: Allow to set a different port for DHT (UDP) than the one used for 
Bittorrent
2009-07-14 07:50:00 +00:00

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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#include <QDir>
#include <QDateTime>
#include <QString>
#include <QTimer>
#include <QFileSystemWatcher>
#include <QSettings>
#include <QMutex>
#include "bittorrent.h"
#include "misc.h"
#include "downloadThread.h"
#include "filterParserThread.h"
#include <libtorrent/extensions/ut_metadata.hpp>
#include <libtorrent/extensions/ut_pex.hpp>
#include <libtorrent/extensions/smart_ban.hpp>
#include <libtorrent/extensions/metadata_transfer.hpp>
#include <libtorrent/entry.hpp>
#include <libtorrent/bencode.hpp>
#include <libtorrent/identify_client.hpp>
#include <libtorrent/alert_types.hpp>
#include <libtorrent/torrent_info.hpp>
#include <boost/filesystem/exception.hpp>
#define MAX_TRACKER_ERRORS 2
#define MAX_RATIO 100.
// Main constructor
bittorrent::bittorrent() : DHTEnabled(false), preAllocateAll(false), addInPause(false), maxConnecsPerTorrent(500), maxUploadsPerTorrent(4), ratio_limit(-1), UPnPEnabled(false), NATPMPEnabled(false), LSDEnabled(false), queueingEnabled(false) {
// To avoid some exceptions
fs::path::default_name_check(fs::no_check);
// Creating bittorrent session
// Check if we should spoof azureus
QSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
if(settings.value(QString::fromUtf8("AzureusSpoof"), false).toBool()) {
s = new session(fingerprint("AZ", 3, 0, 5, 2), 0);
} else {
s = new session(fingerprint("qB", VERSION_MAJOR, VERSION_MINOR, VERSION_BUGFIX, 0), 0);
}
// Set severity level of libtorrent session
//s->set_alert_mask(alert::all_categories & ~alert::progress_notification);
s->set_alert_mask(alert::error_notification | alert::peer_notification | alert::port_mapping_notification | alert::storage_notification | alert::tracker_notification | alert::status_notification | alert::ip_block_notification);
// Load previous state
loadSessionState();
// Enabling plugins
s->add_extension(&create_metadata_plugin);
s->add_extension(&create_ut_metadata_plugin);
s->add_extension(&create_ut_pex_plugin);
s->add_extension(&create_smart_ban_plugin);
timerAlerts = new QTimer();
connect(timerAlerts, SIGNAL(timeout()), this, SLOT(readAlerts()));
timerAlerts->start(3000);
// To download from urls
downloader = new downloadThread(this);
connect(downloader, SIGNAL(downloadFinished(QString, QString)), this, SLOT(processDownloadedFile(QString, QString)));
connect(downloader, SIGNAL(downloadFailure(QString, QString)), this, SLOT(handleDownloadFailure(QString, QString)));
BigRatioTimer = 0;
filterParser = 0;
FSWatcher = 0;
qDebug("* BTSession constructed");
}
// Main destructor
bittorrent::~bittorrent() {
qDebug("BTSession deletion");
// Do some BT related saving
// XXX: Done in GUI now (earlier = safer)
/*saveDHTEntry();
saveSessionState();
tResumeData();*/
// Disable directory scanning
disableDirectoryScanning();
// Delete our objects
delete timerAlerts;
if(BigRatioTimer)
delete BigRatioTimer;
if(filterParser)
delete filterParser;
delete downloader;
if(FSWatcher) {
delete FSWatcher;
delete FSMutex;
}
// Delete BT session
qDebug("Deleting session");
delete s;
qDebug("Session deleted");
}
void bittorrent::preAllocateAllFiles(bool b) {
bool change = (preAllocateAll != b);
if(change) {
qDebug("PreAllocateAll changed, reloading all torrents!");
preAllocateAll = b;
}
}
void bittorrent::deleteBigRatios() {
if(ratio_limit == -1) return;
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid()) continue;
if(h.is_seed()) {
QString hash = h.hash();
float ratio = getRealRatio(hash);
if(ratio <= MAX_RATIO && ratio > ratio_limit) {
QString fileName = h.name();
addConsoleMessage(tr("%1 reached the maximum ratio you set.").arg(fileName));
deleteTorrent(hash);
//emit torrent_ratio_deleted(fileName);
}
}
}
}
void bittorrent::setDownloadLimit(QString hash, long val) {
QTorrentHandle h = getTorrentHandle(hash);
if(h.is_valid())
h.set_download_limit(val);
saveTorrentSpeedLimits(hash);
}
bool bittorrent::isQueueingEnabled() const {
return queueingEnabled;
}
void bittorrent::increaseDlTorrentPriority(QString hash) {
Q_ASSERT(queueingEnabled);
QTorrentHandle h = getTorrentHandle(hash);
if(h.queue_position() > 0)
h.queue_position_up();
}
void bittorrent::decreaseDlTorrentPriority(QString hash) {
Q_ASSERT(queueingEnabled);
QTorrentHandle h = getTorrentHandle(hash);
h.queue_position_down();
}
void bittorrent::setUploadLimit(QString hash, long val) {
qDebug("Set upload limit rate to %ld", val);
QTorrentHandle h = getTorrentHandle(hash);
if(h.is_valid())
h.set_upload_limit(val);
saveTorrentSpeedLimits(hash);
}
void bittorrent::handleDownloadFailure(QString url, QString reason) {
emit downloadFromUrlFailure(url, reason);
}
void bittorrent::startTorrentsInPause(bool b) {
addInPause = b;
}
void bittorrent::setQueueingEnabled(bool enable) {
if(queueingEnabled != enable) {
qDebug("Queueing system is changing state...");
queueingEnabled = enable;
}
}
int bittorrent::getDlTorrentPriority(QString hash) const {
Q_ASSERT(queueingEnabled);
QTorrentHandle h = getTorrentHandle(hash);
return h.queue_position();
}
int bittorrent::getUpTorrentPriority(QString hash) const {
Q_ASSERT(queueingEnabled);
QTorrentHandle h = getTorrentHandle(hash);
return h.queue_position();
}
// Calculate the ETA using GASA
// GASA: global Average Speed Algorithm
qlonglong bittorrent::getETA(QString hash) const {
QTorrentHandle h = getTorrentHandle(hash);
if(!h.is_valid()) return -1;
switch(h.state()) {
case torrent_status::downloading: {
if(h.active_time() == 0)
return -1;
double avg_speed = (double)h.all_time_download() / h.active_time();
return (qlonglong) floor((double) (h.actual_size() - h.total_wanted_done()) / avg_speed);
}
default:
return -1;
}
}
std::vector<torrent_handle> bittorrent::getTorrents() const {
return s->get_torrents();
}
// Return the torrent handle, given its hash
QTorrentHandle bittorrent::getTorrentHandle(QString hash) const{
return QTorrentHandle(s->find_torrent(misc::fromString<sha1_hash>((hash.toStdString()))));
}
unsigned int bittorrent::getFinishedPausedTorrentsNb() const {
unsigned int nbPaused = 0;
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid()) continue;
if(h.is_seed() && h.is_paused()) {
++nbPaused;
}
}
return nbPaused;
}
unsigned int bittorrent::getUnfinishedPausedTorrentsNb() const {
unsigned int nbPaused = 0;
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid()) continue;
if(!h.is_seed() && h.is_paused()) {
++nbPaused;
}
}
return nbPaused;
}
// 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(QString hash, bool permanent) {
qDebug("Deleting torrent with hash: %s", hash.toLocal8Bit().data());
QTorrentHandle h = getTorrentHandle(hash);
if(!h.is_valid()) {
qDebug("/!\\ Error: Invalid handle");
return;
}
QString savePath = h.save_path();
QString fileName = h.name();
// Remove it from session
if(permanent)
s->remove_torrent(h.get_torrent_handle(), session::delete_files);
else
s->remove_torrent(h.get_torrent_handle());
// Remove it from torrent backup directory
QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
QStringList filters;
filters << hash+".*";
QStringList files = torrentBackup.entryList(filters, QDir::Files, QDir::Unsorted);
foreach(const QString &file, files) {
torrentBackup.remove(file);
}
// Remove tracker errors
trackersErrors.remove(hash);
if(permanent)
addConsoleMessage(tr("'%1' was removed permanently.", "'xxx.avi' was removed permanently.").arg(fileName));
else
addConsoleMessage(tr("'%1' was removed.", "'xxx.avi' was removed.").arg(fileName));
emit deletedTorrent(hash);
}
void bittorrent::pauseAllTorrents() {
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid()) continue;
if(!h.is_paused()) {
h.pause();
emit pausedTorrent(h);
}
}
}
void bittorrent::resumeAllTorrents() {
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid()) continue;
if(h.is_paused()) {
h.resume();
emit resumedTorrent(h);
}
}
}
void bittorrent::pauseTorrent(QString hash) {
QTorrentHandle h = getTorrentHandle(hash);
if(!h.is_paused()) {
h.pause();
emit pausedTorrent(h);
}
}
void bittorrent::resumeTorrent(QString hash) {
QTorrentHandle h = getTorrentHandle(hash);
if(h.is_paused()) {
h.resume();
emit resumedTorrent(h);
}
}
void bittorrent::loadWebSeeds(QString hash) {
QFile urlseeds_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".urlseeds");
if(!urlseeds_file.open(QIODevice::ReadOnly | QIODevice::Text)) return;
QByteArray urlseeds_lines = urlseeds_file.readAll();
urlseeds_file.close();
QList<QByteArray> url_seeds = urlseeds_lines.split('\n');
QTorrentHandle h = getTorrentHandle(hash);
// First remove from the torrent the url seeds that were deleted
// in a previous session
QStringList seeds_to_delete;
QStringList existing_seeds = h.url_seeds();
foreach(const QString &existing_seed, existing_seeds) {
if(!url_seeds.contains(existing_seed.toLocal8Bit())) {
seeds_to_delete << existing_seed;
}
}
foreach(const QString &existing_seed, seeds_to_delete) {
h.remove_url_seed(existing_seed);
}
// Add the ones that were added in a previous session
foreach(const QByteArray &url_seed, url_seeds) {
if(!url_seed.isEmpty()) {
// XXX: Should we check if it is already in the list before adding it
// or is libtorrent clever enough to know
h.add_url_seed(url_seed);
}
}
}
// Add a torrent to the bittorrent session
QTorrentHandle bittorrent::addTorrent(QString path, bool fromScanDir, QString from_url, bool) {
QTorrentHandle h;
bool fastResume=false;
QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
QString file, dest_file;
// Checking if BT_backup Dir exists
// create it if it is not
if(! torrentBackup.exists()) {
if(! torrentBackup.mkpath(torrentBackup.path())) {
std::cerr << "Couldn't create the directory: '" << torrentBackup.path().toLocal8Bit().data() << "'\n";
exit(1);
}
}
// Processing torrents
file = path.trimmed().replace("file://", "", Qt::CaseInsensitive);
if(file.isEmpty()) {
return h;
}
Q_ASSERT(!file.startsWith("http://", Qt::CaseInsensitive) && !file.startsWith("https://", Qt::CaseInsensitive) && !file.startsWith("ftp://", Qt::CaseInsensitive));
qDebug("Adding %s to download list", file.toLocal8Bit().data());
boost::intrusive_ptr<torrent_info> t;
try {
// Getting torrent file informations
t = new torrent_info(file.toLocal8Bit().data());
} catch(std::exception&) {
if(!from_url.isNull()) {
addConsoleMessage(tr("Unable to decode torrent file: '%1'", "e.g: Unable to decode torrent file: '/home/y/xxx.torrent'").arg(from_url), QString::fromUtf8("red"));
//emit invalidTorrent(from_url);
QFile::remove(file);
}else{
addConsoleMessage(tr("Unable to decode torrent file: '%1'", "e.g: Unable to decode torrent file: '/home/y/xxx.torrent'").arg(file), QString::fromUtf8("red"));
//emit invalidTorrent(file);
}
addConsoleMessage(tr("This file is either corrupted or this isn't a torrent."),QString::fromUtf8("red"));
if(fromScanDir) {
// Remove file
QFile::remove(file);
}
return h;
}
qDebug(" -> Hash: %s", misc::toString(t->info_hash()).c_str());
qDebug(" -> Name: %s", t->name().c_str());
QString hash = misc::toQString(t->info_hash());
if(file.startsWith(torrentBackup.path())) {
QFileInfo fi(file);
QString old_hash = fi.baseName();
if(old_hash != hash){
qDebug("* ERROR: Strange, hash changed from %s to %s", old_hash.toLocal8Bit().data(), hash.toLocal8Bit().data());
}
}
// Check if torrent is already in download list
if(s->find_torrent(t->info_hash()).is_valid()) {
qDebug("/!\\ Torrent is already in download list");
// Update info Bar
if(!fromScanDir) {
if(!from_url.isNull()) {
// If download from url, remove temp file
QFile::remove(file);
addConsoleMessage(tr("'%1' is already in download list.", "e.g: 'xxx.avi' is already in download list.").arg(from_url));
//emit duplicateTorrent(from_url);
}else{
addConsoleMessage(tr("'%1' is already in download list.", "e.g: 'xxx.avi' is already in download list.").arg(file));
//emit duplicateTorrent(file);
}
}else{
// Delete torrent from scan dir
QFile::remove(file);
}
return h;
}
add_torrent_params p;
//Getting fast resume data if existing
std::vector<char> buf;
qDebug("Trying to load fastresume data: %s", (torrentBackup.path()+QDir::separator()+hash+QString(".fastresume")).toLocal8Bit().data());
if (load_file((torrentBackup.path()+QDir::separator()+hash+QString(".fastresume")).toLocal8Bit().data(), buf) == 0) {
fastResume = true;
p.resume_data = &buf;
qDebug("Successfuly loaded");
}
QString savePath = getSavePath(hash);
// Save save_path to hard drive
QFile savepath_file(misc::qBittorrentPath()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".savepath"));
if(!savepath_file.exists()) {
savepath_file.open(QIODevice::WriteOnly | QIODevice::Text);
savepath_file.write(savePath.toLocal8Bit());
savepath_file.close();
}
if(defaultTempPath.isEmpty()) {
p.save_path = savePath.toLocal8Bit().data();
} else {
p.save_path = defaultTempPath.toLocal8Bit().data();
}
p.ti = t;
// Preallocate all?
if(preAllocateAll)
p.storage_mode = storage_mode_allocate;
else
p.storage_mode = storage_mode_sparse;
// Start in pause
p.paused = true;
p.duplicate_is_error = false; // Already checked
p.auto_managed = false; // Because it is added in paused state
// Adding torrent to bittorrent session
try {
h = QTorrentHandle(s->add_torrent(p));
}catch(std::exception e){
qDebug("Error: %s", e.what());
}
// Check if it worked
if(!h.is_valid()) {
// No need to keep on, it failed.
qDebug("/!\\ Error: Invalid handle");
// If download from url, remove temp file
if(!from_url.isNull()) QFile::remove(file);
return h;
}
// Connections limit per torrent
h.set_max_connections(maxConnecsPerTorrent);
// Uploads limit per torrent
h.set_max_uploads(maxUploadsPerTorrent);
// Load filtered files
loadFilesPriorities(h);
// Load custom url seeds
loadWebSeeds(hash);
// Load speed limit from hard drive
loadTorrentSpeedLimits(hash);
// Load trackers
bool loaded_trackers = loadTrackerFile(hash);
// Doing this to order trackers well
if(!loaded_trackers) {
saveTrackerFile(hash);
loadTrackerFile(hash);
}
QString newFile = torrentBackup.path() + QDir::separator() + hash + ".torrent";
if(file != newFile) {
// Delete file from torrentBackup directory in case it exists because
// QFile::copy() do not overwrite
QFile::remove(newFile);
// Copy it to torrentBackup directory
QFile::copy(file, newFile);
}
// Incremental download
if(QFile::exists(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".incremental")) {
qDebug("Incremental download enabled for %s", t->name().c_str());
h.set_sequential_download(true);
}
if(!addInPause && !fastResume) {
// Start torrent because it was added in paused state
h.resume();
}
// If download from url, remove temp file
if(!from_url.isNull()) QFile::remove(file);
// Delete from scan dir to avoid trying to download it again
if(fromScanDir) {
QFile::remove(file);
}
// Send torrent addition signal
if(!from_url.isNull()) {
if(fastResume)
addConsoleMessage(tr("'%1' resumed. (fast resume)", "'/home/y/xxx.torrent' was resumed. (fast resume)").arg(from_url));
else
addConsoleMessage(tr("'%1' added to download list.", "'/home/y/xxx.torrent' was added to download list.").arg(from_url));
}else{
if(fastResume)
addConsoleMessage(tr("'%1' resumed. (fast resume)", "'/home/y/xxx.torrent' was resumed. (fast resume)").arg(file));
else
addConsoleMessage(tr("'%1' added to download list.", "'/home/y/xxx.torrent' was added to download list.").arg(file));
}
emit addedTorrent(h);
return h;
}
// Check in .priorities file if the user filtered files
// in this torrent.
bool bittorrent::has_filtered_files(QString hash) const{
QFile pieces_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".priorities");
// Read saved file
if(!pieces_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
return false;
}
QByteArray pieces_text = pieces_file.readAll();
pieces_file.close();
QList<QByteArray> pieces_priorities_list = pieces_text.split('\n');
unsigned int listSize = pieces_priorities_list.size();
for(unsigned int i=0; i<listSize-1; ++i) {
int priority = pieces_priorities_list.at(i).toInt();
if( priority < 0 || priority > 7) {
priority = 1;
}
if(!priority) {
return true;
}
}
return false;
}
// Set the maximum number of opened connections
void bittorrent::setMaxConnections(int maxConnec) {
s->set_max_connections(maxConnec);
}
void bittorrent::setMaxConnectionsPerTorrent(int max) {
maxConnecsPerTorrent = max;
// Apply this to all session torrents
std::vector<torrent_handle> handles = s->get_torrents();
unsigned int nbHandles = handles.size();
for(unsigned int i=0; i<nbHandles; ++i) {
QTorrentHandle h = handles[i];
if(!h.is_valid()) {
qDebug("/!\\ Error: Invalid handle");
continue;
}
h.set_max_connections(max);
}
}
void bittorrent::setMaxUploadsPerTorrent(int max) {
maxUploadsPerTorrent = max;
// Apply this to all session torrents
std::vector<torrent_handle> handles = s->get_torrents();
unsigned int nbHandles = handles.size();
for(unsigned int i=0; i<nbHandles; ++i) {
QTorrentHandle h = handles[i];
if(!h.is_valid()) {
qDebug("/!\\ Error: Invalid handle");
continue;
}
h.set_max_uploads(max);
}
}
// Return DHT state
bool bittorrent::isDHTEnabled() const{
return DHTEnabled;
}
void bittorrent::enableUPnP(bool b) {
if(b) {
if(!UPnPEnabled) {
qDebug("Enabling UPnP");
s->start_upnp();
UPnPEnabled = true;
}
} else {
if(UPnPEnabled) {
qDebug("Disabling UPnP");
s->stop_upnp();
UPnPEnabled = false;
}
}
}
void bittorrent::enableNATPMP(bool b) {
if(b) {
if(!NATPMPEnabled) {
qDebug("Enabling NAT-PMP");
s->start_natpmp();
NATPMPEnabled = true;
}
} else {
if(NATPMPEnabled) {
qDebug("Disabling NAT-PMP");
s->stop_natpmp();
NATPMPEnabled = false;
}
}
}
void bittorrent::enableLSD(bool b) {
if(b) {
if(!LSDEnabled) {
qDebug("Enabling LSD");
s->start_lsd();
LSDEnabled = true;
}
} else {
if(LSDEnabled) {
qDebug("Disabling LSD");
s->stop_lsd();
LSDEnabled = false;
}
}
}
void bittorrent::loadSessionState() {
boost::filesystem::ifstream ses_state_file((misc::qBittorrentPath()+QString::fromUtf8("ses_state")).toLocal8Bit().data()
, std::ios_base::binary);
ses_state_file.unsetf(std::ios_base::skipws);
s->load_state(bdecode(
std::istream_iterator<char>(ses_state_file)
, std::istream_iterator<char>()));
}
void bittorrent::saveSessionState() {
qDebug("Saving session state to disk...");
entry session_state = s->state();
boost::filesystem::ofstream out((misc::qBittorrentPath()+QString::fromUtf8("ses_state")).toLocal8Bit().data()
, std::ios_base::binary);
out.unsetf(std::ios_base::skipws);
bencode(std::ostream_iterator<char>(out), session_state);
}
// Enable DHT
bool bittorrent::enableDHT(bool b) {
if(b) {
if(!DHTEnabled) {
entry dht_state;
QString dht_state_path = misc::qBittorrentPath()+QString::fromUtf8("dht_state");
if(QFile::exists(dht_state_path)) {
boost::filesystem::ifstream dht_state_file(dht_state_path.toLocal8Bit().data(), std::ios_base::binary);
dht_state_file.unsetf(std::ios_base::skipws);
try{
dht_state = bdecode(std::istream_iterator<char>(dht_state_file), std::istream_iterator<char>());
}catch (std::exception&) {}
}
try {
s->start_dht(dht_state);
s->add_dht_router(std::make_pair(std::string("router.bittorrent.com"), 6881));
s->add_dht_router(std::make_pair(std::string("router.utorrent.com"), 6881));
s->add_dht_router(std::make_pair(std::string("router.bitcomet.com"), 6881));
DHTEnabled = true;
qDebug("DHT enabled");
}catch(std::exception e) {
qDebug("Could not enable DHT, reason: %s", e.what());
return false;
}
}
} else {
if(DHTEnabled) {
DHTEnabled = false;
s->stop_dht();
qDebug("DHT disabled");
}
}
return true;
}
void bittorrent::saveTorrentSpeedLimits(QString hash) {
qDebug("Saving speedLimits file for %s", hash.toLocal8Bit().data());
QTorrentHandle h = getTorrentHandle(hash);
int download_limit = h.download_limit();
int upload_limit = h.upload_limit();
QFile speeds_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".speedLimits");
if(!speeds_file.open(QIODevice::WriteOnly | QIODevice::Text)) {
qDebug("* Error: Couldn't open speed limits file for torrent: %s", hash.toLocal8Bit().data());
return;
}
speeds_file.write(misc::toQByteArray(download_limit)+QByteArray(" ")+misc::toQByteArray(upload_limit));
speeds_file.close();
}
void bittorrent::loadTorrentSpeedLimits(QString hash) {
// qDebug("Loading speedLimits file for %s", hash.toLocal8Bit().data());
QTorrentHandle h = getTorrentHandle(hash);
QFile speeds_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".speedLimits");
if(!speeds_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
return;
}
QByteArray speed_limits = speeds_file.readAll();
speeds_file.close();
QList<QByteArray> speeds = speed_limits.split(' ');
if(speeds.size() != 2) {
std::cerr << "Invalid .speedLimits file for " << hash.toStdString() << '\n';
return;
}
h.set_download_limit(speeds.at(0).toInt());
h.set_upload_limit(speeds.at(1).toInt());
}
// Read pieces priorities from .priorities file
// and ask QTorrentHandle to consider them
void bittorrent::loadFilesPriorities(QTorrentHandle &h) {
qDebug("Applying pieces priorities");
if(!h.is_valid()) {
qDebug("/!\\ Error: Invalid handle");
return;
}
unsigned int nbFiles = h.num_files();
QString hash = h.hash();
QFile pieces_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".priorities");
if(!pieces_file.exists()){
return;
}
// Read saved file
if(!pieces_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
qDebug("* Error: Couldn't open priorities file: %s", hash.toLocal8Bit().data());
return;
}
QByteArray pieces_priorities = pieces_file.readAll();
pieces_file.close();
QList<QByteArray> pieces_priorities_list = pieces_priorities.split('\n');
if((unsigned int)pieces_priorities_list.size() != nbFiles+1) {
std::cerr << "* Error: Corrupted priorities file\n";
return;
}
std::vector<int> v;
for(unsigned int i=0; i<nbFiles; ++i) {
int priority = pieces_priorities_list.at(i).toInt();
if( priority < 0 || priority > 7) {
priority = 1;
}
qDebug("Setting piece piority to %d", priority);
v.push_back(priority);
}
h.prioritize_files(v);
}
float bittorrent::getRealRatio(QString hash) const{
QTorrentHandle h = getTorrentHandle(hash);
Q_ASSERT(h.all_time_download() >= 0);
Q_ASSERT(h.all_time_upload() >= 0);
if(h.all_time_download() == 0) {
if(h.all_time_upload() == 0)
return 0;
return 101;
}
float ratio = (float)h.all_time_upload()/(float)h.all_time_download();
Q_ASSERT(ratio >= 0.);
if(ratio > 100.)
ratio = 100.;
return ratio;
}
// Only save fast resume data for unfinished and unpaused torrents (Optimization)
// Called periodically and on exit
void bittorrent::saveFastResumeData() {
// Stop listening for alerts
timerAlerts->stop();
int num_resume_data = 0;
// Pause session
s->pause();
std::vector<torrent_handle> torrents = s->get_torrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid() || !h.has_metadata()) continue;
if(isQueueingEnabled())
saveTorrentPriority(h.hash(), h.queue_position());
if(h.is_paused()) continue;
if(h.state() == torrent_status::checking_files || h.state() == torrent_status::queued_for_checking) continue;
h.save_resume_data();
++num_resume_data;
}
while (num_resume_data > 0) {
alert const* a = s->wait_for_alert(seconds(30));
if (a == 0) {
std::cerr << " aborting with " << num_resume_data << " outstanding "
"torrents to save resume data for" << std::endl;
break;
}
// Saving fastresume data can fail
save_resume_data_failed_alert const* rda = dynamic_cast<save_resume_data_failed_alert const*>(a);
if (rda) {
--num_resume_data;
s->pop_alert();
// Remove torrent from session
s->remove_torrent(rda->handle);
continue;
}
save_resume_data_alert const* rd = dynamic_cast<save_resume_data_alert const*>(a);
if (!rd) {
s->pop_alert();
continue;
}
// Saving fast resume data was successful
--num_resume_data;
if (!rd->resume_data) continue;
QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
QTorrentHandle h(rd->handle);
// Remove old fastresume file if it exists
QFile::remove(torrentBackup.path()+QDir::separator()+ h.hash() + ".fastresume");
QString file = h.hash()+".fastresume";
boost::filesystem::ofstream out(fs::path(torrentBackup.path().toLocal8Bit().data()) / file.toLocal8Bit().data(), std::ios_base::binary);
out.unsetf(std::ios_base::skipws);
bencode(std::ostream_iterator<char>(out), *rd->resume_data);
// Remove torrent from session
s->remove_torrent(rd->handle);
s->pop_alert();
}
}
QStringList bittorrent::getConsoleMessages() const {
return consoleMessages;
}
QStringList bittorrent::getPeerBanMessages() const {
return peerBanMessages;
}
void bittorrent::addConsoleMessage(QString msg, QColor color) {
if(consoleMessages.size() > 100) {
consoleMessages.removeFirst();
}
consoleMessages.append(QString::fromUtf8("<font color='grey'>")+ QDateTime::currentDateTime().toString(QString::fromUtf8("dd/MM/yyyy hh:mm:ss")) + QString::fromUtf8("</font> - <font color='") + color.name() +QString::fromUtf8("'><i>") + msg + QString::fromUtf8("</i></font>"));
}
void bittorrent::addPeerBanMessage(QString ip, bool from_ipfilter) {
if(peerBanMessages.size() > 100) {
peerBanMessages.removeFirst();
}
if(from_ipfilter)
peerBanMessages.append(QString::fromUtf8("<font color='grey'>")+ QDateTime::currentDateTime().toString(QString::fromUtf8("dd/MM/yyyy hh:mm:ss")) + QString::fromUtf8("</font> - ")+tr("<font color='red'>%1</font> <i>was blocked due to your IP filter</i>", "x.y.z.w was blocked").arg(ip));
else
peerBanMessages.append(QString::fromUtf8("<font color='grey'>")+ QDateTime::currentDateTime().toString(QString::fromUtf8("dd/MM/yyyy hh:mm:ss")) + QString::fromUtf8("</font> - ")+tr("<font color='red'>%1</font> <i>was banned due to corrupt pieces</i>", "x.y.z.w was banned").arg(ip));
}
bool bittorrent::isFilePreviewPossible(QString hash) const{
// See if there are supported files in the torrent
QTorrentHandle h = getTorrentHandle(hash);
if(!h.is_valid()) {
qDebug("/!\\ Error: Invalid handle");
return false;
}
unsigned int nbFiles = h.num_files();
for(unsigned int i=0; i<nbFiles; ++i) {
QString fileName = h.file_at(i);
QString extension = fileName.split('.').last();
if(misc::isPreviewable(extension))
return true;
}
return false;
}
// Scan the first level of the directory for torrent files
// and add them to download list
void bittorrent::scanDirectory(QString scan_dir) {
FSMutex->lock();
qDebug("Scanning directory: %s", scan_dir.toLocal8Bit().data());
QDir dir(scan_dir);
QStringList filters;
filters << "*.torrent";
QStringList files = dir.entryList(filters, QDir::Files, QDir::Unsorted);
foreach(const QString &file, files) {
QString fullPath = dir.path()+QDir::separator()+file;
QFile torrent(fullPath);
if(torrent.size() != 0) {
qDebug("Adding for scan_dir: %s", fullPath.toLocal8Bit().data());
addTorrent(fullPath, true);
} else {
qDebug("Ignoring empty file: %s", fullPath.toLocal8Bit().data());
}
}
FSMutex->unlock();
}
void bittorrent::setDefaultSavePath(QString savepath) {
defaultSavePath = savepath;
}
void bittorrent::setDefaultTempPath(QString temppath) {
if(defaultTempPath == temppath)
return;
if(temppath.isEmpty()) {
// Disabling temp dir
// Moving all torrents to their destination folder
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid()) continue;
h.move_storage(getSavePath(h.hash()));
}
} else {
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
if(!h.is_valid()) continue;
if(!h.is_seed())
h.move_storage(temppath);
}
}
defaultTempPath = temppath;
}
// Enable directory scanning
void bittorrent::enableDirectoryScanning(QString scan_dir) {
if(!scan_dir.isEmpty()) {
if(FSWatcher == 0) {
FSMutex = new QMutex();
FSWatcher = new QFileSystemWatcher(QStringList(scan_dir), this);
connect(FSWatcher, SIGNAL(directoryChanged(QString)), this, SLOT(scanDirectory(QString)));
// Initial scan
scanDirectory(scan_dir);
} else {
QString old_scan_dir = FSWatcher->directories().first();
if(old_scan_dir != scan_dir) {
FSWatcher->removePath(old_scan_dir);
FSWatcher->addPath(scan_dir);
// Initial scan
scanDirectory(scan_dir);
}
}
}
}
// Disable directory scanning
void bittorrent::disableDirectoryScanning() {
if(FSWatcher) {
delete FSWatcher;
delete FSMutex;
}
}
// Set the ports range in which is chosen the port the bittorrent
// session will listen to
void bittorrent::setListeningPortsRange(std::pair<unsigned short, unsigned short> ports) {
s->listen_on(ports);
}
// Set download rate limit
// -1 to disable
void bittorrent::setDownloadRateLimit(long rate) {
qDebug("Setting a global download rate limit at %ld", rate);
s->set_download_rate_limit(rate);
}
session* bittorrent::getSession() const{
return s;
}
// Set upload rate limit
// -1 to disable
void bittorrent::setUploadRateLimit(long rate) {
qDebug("set upload_limit to %fkb/s", rate/1024.);
s->set_upload_rate_limit(rate);
}
// libtorrent allow to adjust ratio for each torrent
// This function will apply to same ratio to all torrents
void bittorrent::setGlobalRatio(float ratio) {
if(ratio != -1 && ratio < 1.) ratio = 1.;
if(ratio == -1) {
// 0 means unlimited for libtorrent
ratio = 0;
}
std::vector<torrent_handle> handles = s->get_torrents();
unsigned int nbHandles = handles.size();
for(unsigned int i=0; i<nbHandles; ++i) {
QTorrentHandle h = handles[i];
if(!h.is_valid()) {
qDebug("/!\\ Error: Invalid handle");
continue;
}
h.set_ratio(ratio);
}
}
// Torrents will a ratio superior to the given value will
// be automatically deleted
void bittorrent::setDeleteRatio(float ratio) {
if(ratio != -1 && ratio < 1.) ratio = 1.;
if(ratio_limit == -1 && ratio != -1) {
Q_ASSERT(!BigRatioTimer);
BigRatioTimer = new QTimer(this);
connect(BigRatioTimer, SIGNAL(timeout()), this, SLOT(deleteBigRatios()));
BigRatioTimer->start(5000);
} else {
if(ratio_limit != -1 && ratio == -1) {
delete BigRatioTimer;
}
}
if(ratio_limit != ratio) {
ratio_limit = ratio;
qDebug("* Set deleteRatio to %.1f", ratio_limit);
deleteBigRatios();
}
}
bool bittorrent::loadTrackerFile(QString hash) {
QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
QFile tracker_file(torrentBackup.path()+QDir::separator()+ hash + ".trackers");
if(!tracker_file.exists()) return false;
tracker_file.open(QIODevice::ReadOnly | QIODevice::Text);
QStringList lines = QString::fromUtf8(tracker_file.readAll().data()).split("\n");
std::vector<announce_entry> trackers;
foreach(const QString &line, lines) {
QStringList parts = line.split("|");
if(parts.size() != 2) continue;
announce_entry t(parts[0].toStdString());
t.tier = parts[1].toInt();
trackers.push_back(t);
}
if(!trackers.empty()) {
QTorrentHandle h = getTorrentHandle(hash);
h.replace_trackers(trackers);
h.force_reannounce();
return true;
}else{
return false;
}
}
void bittorrent::saveTrackerFile(QString hash) {
qDebug("Saving tracker file for %s", hash.toLocal8Bit().data());
QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
QFile tracker_file(torrentBackup.path()+QDir::separator()+ hash + ".trackers");
if(tracker_file.exists()) {
tracker_file.remove();
}
tracker_file.open(QIODevice::WriteOnly | QIODevice::Text);
QTorrentHandle h = getTorrentHandle(hash);
std::vector<announce_entry> trackers = h.trackers();
for(unsigned int i=0; i<trackers.size(); ++i) {
tracker_file.write(QByteArray(trackers[i].url.c_str())+QByteArray("|")+QByteArray(misc::toString(i).c_str())+QByteArray("\n"));
}
tracker_file.close();
}
// Set DHT port (>= 1000 or 0 if same as BT)
void bittorrent::setDHTPort(int dht_port) {
if(dht_port == 0 or dht_port >= 1000) {
struct dht_settings DHTSettings;
DHTSettings.service_port = dht_port;
s->set_dht_settings(DHTSettings);
qDebug("Set DHT Port to %d", dht_port);
}
}
// Enable IP Filtering
void bittorrent::enableIPFilter(QString filter) {
qDebug("Enabling IPFiler");
if(!filterParser) {
filterParser = new FilterParserThread(this, s);
}
if(filterPath.isEmpty() || filterPath != filter) {
filterPath = filter;
filterParser->processFilterFile(filter);
}
}
// Disable IP Filtering
void bittorrent::disableIPFilter() {
qDebug("Disabling IPFilter");
s->set_ip_filter(ip_filter());
if(filterParser) {
delete filterParser;
}
filterPath = "";
}
// Set BT session settings (user_agent)
void bittorrent::setSessionSettings(session_settings sessionSettings) {
qDebug("Set session settings");
s->set_settings(sessionSettings);
}
// Set Proxy
void bittorrent::setProxySettings(proxy_settings proxySettings, bool trackers, bool peers, bool web_seeds, bool dht) {
qDebug("Set Proxy settings");
proxy_settings ps_null;
ps_null.type = proxy_settings::none;
qDebug("Setting trackers proxy");
if(trackers)
s->set_tracker_proxy(proxySettings);
else
s->set_tracker_proxy(ps_null);
qDebug("Setting peers proxy");
if(peers)
s->set_peer_proxy(proxySettings);
else
s->set_peer_proxy(ps_null);
qDebug("Setting web seeds proxy");
if(web_seeds)
s->set_web_seed_proxy(proxySettings);
else
s->set_web_seed_proxy(ps_null);
if(DHTEnabled) {
qDebug("Setting DHT proxy, %d", dht);
if(dht)
s->set_dht_proxy(proxySettings);
else
s->set_dht_proxy(ps_null);
}
}
// Read alerts sent by the bittorrent session
void bittorrent::readAlerts() {
// look at session alerts and display some infos
std::auto_ptr<alert> a = s->pop_alert();
while (a.get()) {
if (torrent_finished_alert* p = dynamic_cast<torrent_finished_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid()){
emit finishedTorrent(h);
QString hash = h.hash();
// Create .finished file if necessary
QFile finished_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".finished");
finished_file.open(QIODevice::WriteOnly | QIODevice::Text);
finished_file.close();
// Move to download directory if necessary
if(!defaultTempPath.isEmpty()) {
// Check if directory is different
QDir current_dir(h.save_path());
QDir save_dir(getSavePath(h.hash()));
if(current_dir != save_dir) {
h.move_storage(save_dir.path());
}
}
h.save_resume_data();
qDebug("Received finished alert for %s", h.name().toLocal8Bit().data());
}
}
else if (save_resume_data_alert* p = dynamic_cast<save_resume_data_alert*>(a.get())) {
QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
QTorrentHandle h(p->handle);
QString file = h.hash()+".fastresume";
// Delete old fastresume file if necessary
if(QFile::exists(file))
QFile::remove(file);
qDebug("Saving fastresume data in %s", file.toLocal8Bit().data());
if (p->resume_data)
{
boost::filesystem::ofstream out(fs::path(torrentBackup.path().toLocal8Bit().data()) / file.toLocal8Bit().data(), std::ios_base::binary);
out.unsetf(std::ios_base::skipws);
bencode(std::ostream_iterator<char>(out), *p->resume_data);
}
}
else if (file_error_alert* p = dynamic_cast<file_error_alert*>(a.get())) {
QTorrentHandle h(p->handle);
h.auto_managed(false);
std::cerr << "File Error: " << p->message().c_str() << std::endl;
if(h.is_valid())
emit fullDiskError(h, misc::toQString(p->message()));
}
else if (dynamic_cast<listen_failed_alert*>(a.get())) {
// Level: fatal
addConsoleMessage(tr("Couldn't listen on any of the given ports."), QString::fromUtf8("red"));
//emit portListeningFailure();
}
else if (tracker_error_alert* p = dynamic_cast<tracker_error_alert*>(a.get())) {
// Level: fatal
QTorrentHandle h(p->handle);
if(h.is_valid()){
// Authentication
if(p->status_code != 401) {
QString hash = h.hash();
qDebug("Received a tracker error for %s", p->url.c_str());
QHash<QString, QString> errors = trackersErrors.value(hash, QHash<QString, QString>());
// p->url requires at least libtorrent v0.13.1
errors[misc::toQString(p->url)] = QString::fromUtf8(a->message().c_str());
trackersErrors[hash] = errors;
} else {
emit trackerAuthenticationRequired(h);
}
}
}
else if (tracker_reply_alert* p = dynamic_cast<tracker_reply_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid()){
qDebug("Received a tracker reply from %s", (const char*)h.current_tracker().toLocal8Bit());
QString hash = h.hash();
QHash<QString, QString> errors = trackersErrors.value(hash, QHash<QString, QString>());
// p->url requires at least libtorrent v0.13.1
errors.remove(h.current_tracker());
trackersErrors[hash] = errors;
}
}
else if (portmap_error_alert* p = dynamic_cast<portmap_error_alert*>(a.get())) {
addConsoleMessage(tr("UPnP/NAT-PMP: Port mapping failure, message: %1").arg(QString(p->message().c_str())), QColor("red"));
//emit UPnPError(QString(p->msg().c_str()));
}
else if (portmap_alert* p = dynamic_cast<portmap_alert*>(a.get())) {
qDebug("UPnP Success, msg: %s", p->message().c_str());
addConsoleMessage(tr("UPnP/NAT-PMP: Port mapping successful, message: %1").arg(QString(p->message().c_str())), QColor("blue"));
//emit UPnPSuccess(QString(p->msg().c_str()));
}
else if (peer_blocked_alert* p = dynamic_cast<peer_blocked_alert*>(a.get())) {
addPeerBanMessage(QString(p->ip.to_string().c_str()), true);
//emit peerBlocked(QString::fromUtf8(p->ip.to_string().c_str()));
}
else if (peer_ban_alert* p = dynamic_cast<peer_ban_alert*>(a.get())) {
addPeerBanMessage(QString(p->ip.address().to_string().c_str()), false);
//emit peerBlocked(QString::fromUtf8(p->ip.to_string().c_str()));
}
else if (fastresume_rejected_alert* p = dynamic_cast<fastresume_rejected_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid()){
qDebug("/!\\ Fast resume failed for %s, reason: %s", h.name().toLocal8Bit().data(), p->message().c_str());
addConsoleMessage(tr("Fast resume data was rejected for torrent %1, checking again...").arg(h.name()), QString::fromUtf8("red"));
//emit fastResumeDataRejected(h.name());
}
}
else if (url_seed_alert* p = dynamic_cast<url_seed_alert*>(a.get())) {
addConsoleMessage(tr("Url seed lookup failed for url: %1, message: %2").arg(QString::fromUtf8(p->url.c_str())).arg(QString::fromUtf8(p->message().c_str())), QString::fromUtf8("red"));
//emit urlSeedProblem(QString::fromUtf8(p->url.c_str()), QString::fromUtf8(p->msg().c_str()));
}
else if (torrent_checked_alert* p = dynamic_cast<torrent_checked_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid()){
QString hash = h.hash();
qDebug("%s have just finished checking", hash.toLocal8Bit().data());
emit torrentFinishedChecking(h);
}
}
a = s->pop_alert();
}
}
QHash<QString, QString> bittorrent::getTrackersErrors(QString hash) const{
return trackersErrors.value(hash, QHash<QString, QString>());
}
int bittorrent::getListenPort() const{
return s->listen_port();
}
session_status bittorrent::getSessionStatus() const{
return s->status();
}
QString bittorrent::getSavePath(QString hash) {
QFile savepath_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".savepath");
QByteArray line;
QString savePath;
if(savepath_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
line = savepath_file.readAll();
savepath_file.close();
qDebug(" -> Save path: %s", line.data());
savePath = QString::fromUtf8(line.data());
}else{
// use default save path
qDebug("Using default save path because none was set");
savePath = defaultSavePath;
}
// Checking if savePath Dir exists
// create it if it is not
QDir saveDir(savePath);
if(!saveDir.exists()) {
if(!saveDir.mkpath(saveDir.path())) {
std::cerr << "Couldn't create the save directory: " << saveDir.path().toLocal8Bit().data() << "\n";
// 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(QString url) {
addConsoleMessage(tr("Downloading '%1', please wait...", "e.g: Downloading 'xxx.torrent', please wait...").arg(url), QPalette::WindowText);
//emit aboutToDownloadFromUrl(url);
// Launch downloader thread
downloader->downloadUrl(url);
}
void bittorrent::downloadUrlAndSkipDialog(QString url) {
//emit aboutToDownloadFromUrl(url);
url_skippingDlg << url;
// Launch downloader thread
downloader->downloadUrl(url);
}
// Add to bittorrent session the downloaded torrent file
void bittorrent::processDownloadedFile(QString url, QString file_path) {
int index = url_skippingDlg.indexOf(url);
if(index < 0) {
// Add file to torrent download list
emit newDownloadedTorrent(file_path, url);
} else {
url_skippingDlg.removeAt(index);
addTorrent(file_path, false, url, false);
}
}
void bittorrent::downloadFromURLList(const QStringList& url_list) {
qDebug("DownloadFromUrlList");
foreach(const QString 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;
}
// 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((misc::qBittorrentPath()+QString::fromUtf8("dht_state")).toLocal8Bit().data(), std::ios_base::binary);
out.unsetf(std::ios_base::skipws);
bencode(std::ostream_iterator<char>(out), dht_state);
qDebug("DHT entry saved");
}catch (std::exception& e) {
std::cerr << e.what() << "\n";
}
}
}
void bittorrent::applyEncryptionSettings(pe_settings se) {
qDebug("Applying encryption settings");
s->set_pe_settings(se);
}
void bittorrent::saveTorrentPriority(QString hash, int prio) {
// Write .queued file
QFile prio_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+hash+".prio");
prio_file.open(QIODevice::WriteOnly | QIODevice::Text);
prio_file.write(QByteArray::number(prio));
prio_file.close();
}
// Will fast resume torrents in
// backup directory
void bittorrent::resumeUnfinishedTorrents() {
qDebug("Resuming unfinished torrents");
QDir torrentBackup(misc::qBittorrentPath() + "BT_backup");
QStringList fileNames;
// Scan torrentBackup directory
QStringList filters;
filters << "*.torrent";
fileNames = torrentBackup.entryList(filters, QDir::Files, QDir::Unsorted);
if(isQueueingEnabled()) {
QList<QPair<int, QString> > filePaths;
foreach(const QString &fileName, fileNames) {
QString filePath = torrentBackup.path()+QDir::separator()+fileName;
int prio = 99999;
// Get priority
QString prioPath = filePath;
prioPath.replace(".torrent", ".prio");
if(QFile::exists(prioPath)) {
QFile prio_file(prioPath);
if(prio_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
bool ok = false;
prio = prio_file.readAll().toInt(&ok);
if(!ok)
prio = 99999;
prio_file.close();
}
}
misc::insertSort2<QString>(filePaths, qMakePair(prio, filePath));
}
// Resume downloads
QPair<int, QString> fileName;
foreach(fileName, filePaths) {
addTorrent(fileName.second, false, QString(), true);
}
} else {
QStringList filePaths;
foreach(const QString &fileName, fileNames) {
filePaths.append(torrentBackup.path()+QDir::separator()+fileName);
}
// Resume downloads
foreach(const QString &fileName, filePaths) {
addTorrent(fileName, false, QString(), true);
}
}
qDebug("Unfinished torrents resumed");
}
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