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qBittorrent/src/bittorrent.cpp

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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 <QSettings>
#include <stdlib.h>
#include "filesystemwatcher.h"
#include "bittorrent.h"
#include "misc.h"
#include "downloadthread.h"
#include "filterparserthread.h"
#include "preferences.h"
#ifndef DISABLE_GUI
#include "geoip.h"
#endif
#include "torrentpersistentdata.h"
#include "httpserver.h"
#include <libtorrent/extensions/ut_metadata.hpp>
#ifdef LIBTORRENT_0_15
#include <libtorrent/extensions/lt_trackers.hpp>
#endif
#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.
enum ProxyType {HTTP=1, SOCKS5=2, HTTP_PW=3, SOCKS5_PW=4, SOCKS4=5};
enum VersionType { NORMAL,ALPHA,BETA,RELEASE_CANDIDATE,DEVEL };
// Main constructor
Bittorrent::Bittorrent() : preAllocateAll(false), addInPause(false), ratio_limit(-1), UPnPEnabled(false), NATPMPEnabled(false), LSDEnabled(false), DHTEnabled(false), current_dht_port(0), queueingEnabled(false), exiting(false) {
#ifndef DISABLE_GUI
geoipDBLoaded = false;
resolve_countries = false;
#endif
// To avoid some exceptions
fs::path::default_name_check(fs::no_check);
// For backward compatibility
// Move .qBittorrent content to XDG folder
// TODO: Remove after some releases (introduced in v2.1.0)
misc::moveToXDGFolders();
// Creating Bittorrent session
// Check if we should spoof utorrent
QList<int> version;
version << VERSION_MAJOR;
version << VERSION_MINOR;
version << VERSION_BUGFIX;
version << VERSION_TYPE;
QString peer_id = Preferences::getPeerID();
if(peer_id.size() != 2) peer_id = "qB";
if(peer_id != "qB") {
QStringList peer_ver = Preferences::getClientVersion().split('.');
while(peer_ver.size() < 4) {
peer_ver << "0";
}
for(int i=0; i<peer_ver.size(); ++i) {
QString ver = peer_ver.at(i);
if(ver.size() != 1) {
ver.truncate(1);
}
version.replace(i, ver.toInt());
}
}
// Construct session
s = new session(fingerprint(peer_id.toLocal8Bit().data(), version.at(0), version.at(1), version.at(2), version.at(3)), 0);
std::cout << "Peer ID: " << fingerprint(peer_id.toLocal8Bit().data(), version.at(0), version.at(1), version.at(2), version.at(3)).to_string() << std::endl;
addConsoleMessage("Peer ID: "+misc::toQString(fingerprint(peer_id.toLocal8Bit().data(), version.at(0), version.at(1), version.at(2), version.at(3)).to_string()));
// Set severity level of libtorrent session
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);
#ifdef LIBTORRENT_0_15
s->add_extension(create_lt_trackers_plugin);
#endif
if(Preferences::isPeXEnabled()) {
PeXEnabled = true;
s->add_extension(&create_ut_pex_plugin);
} else {
PeXEnabled = false;
}
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)));
appendLabelToSavePath = Preferences::appendTorrentLabel();
#ifdef LIBTORRENT_0_15
appendqBExtension = Preferences::useIncompleteFilesExtension();
#endif
// Apply user settings to Bittorrent session
configureSession();
qDebug("* BTSession constructed");
}
session_proxy Bittorrent::asyncDeletion() {
qDebug("Bittorrent session async deletion IN");
exiting = true;
// Do some BT related saving
saveDHTEntry();
saveSessionState();
saveFastResumeData();
// Delete session
session_proxy sp = s->abort();
delete s;
qDebug("Bittorrent session async deletion OUT");
return sp;
}
// Main destructor
Bittorrent::~Bittorrent() {
qDebug("BTSession destructor IN");
if(!exiting) {
// Do some BT related saving
saveDHTEntry();
saveSessionState();
saveFastResumeData();
// Delete session
session_proxy sp = s->abort();
delete s;
}
// Disable directory scanning
disableDirectoryScanning();
// Delete our objects
delete timerAlerts;
if(BigRatioTimer)
delete BigRatioTimer;
if(filterParser)
delete filterParser;
delete downloader;
if(FSWatcher) {
delete FSWatcher;
}
// HTTP Server
if(httpServer)
delete httpServer;
if(timerETA)
delete timerETA;
qDebug("BTSession destructor OUT");
}
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);
}
}
bool Bittorrent::isQueueingEnabled() const {
return queueingEnabled;
}
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);
}
}
void Bittorrent::handleDownloadFailure(QString url, QString reason) {
emit downloadFromUrlFailure(url, reason);
// Clean up
QUrl qurl = QUrl::fromEncoded(url.toLocal8Bit());
int index = url_skippingDlg.indexOf(qurl);
if(index >= 0)
url_skippingDlg.removeAt(index);
if(savepath_fromurl.contains(qurl))
savepath_fromurl.remove(qurl);
}
void Bittorrent::startTorrentsInPause(bool b) {
addInPause = b;
}
void Bittorrent::setQueueingEnabled(bool enable) {
if(queueingEnabled != enable) {
qDebug("Queueing system is changing state...");
queueingEnabled = enable;
}
}
// Set BT session configuration
void Bittorrent::configureSession() {
qDebug("Configuring session");
// Downloads
// * Save path
defaultSavePath = Preferences::getSavePath();
if(Preferences::isTempPathEnabled()) {
setDefaultTempPath(Preferences::getTempPath());
} else {
setDefaultTempPath(QString::null);
}
setAppendLabelToSavePath(Preferences::appendTorrentLabel());
#ifdef LIBTORRENT_0_15
setAppendqBExtension(Preferences::useIncompleteFilesExtension());
#endif
preAllocateAllFiles(Preferences::preAllocateAllFiles());
startTorrentsInPause(Preferences::addTorrentsInPause());
// * Scan dir
QString scan_dir = Preferences::getScanDir();
if(scan_dir.isEmpty()) {
disableDirectoryScanning();
}else{
//Interval first
enableDirectoryScanning(scan_dir);
}
// Connection
// * Ports binding
unsigned short old_listenPort = getListenPort();
unsigned short new_listenPort = Preferences::getSessionPort();
if(old_listenPort != new_listenPort) {
setListeningPort(new_listenPort);
addConsoleMessage(tr("qBittorrent is bound to port: TCP/%1", "e.g: qBittorrent is bound to port: 6881").arg( misc::toQString(new_listenPort)));
}
// * Global download limit
int down_limit = Preferences::getGlobalDownloadLimit();
if(down_limit <= 0) {
// Download limit disabled
setDownloadRateLimit(-1);
} else {
// Enabled
setDownloadRateLimit(down_limit*1024);
}
int up_limit = Preferences::getGlobalUploadLimit();
// * Global Upload limit
if(up_limit <= 0) {
// Upload limit disabled
setUploadRateLimit(-1);
} else {
// Enabled
setUploadRateLimit(up_limit*1024);
}
#ifndef DISABLE_GUI
// Resolve countries
qDebug("Loading country resolution settings");
bool new_resolv_countries = Preferences::resolvePeerCountries();
if(resolve_countries != new_resolv_countries) {
qDebug("in country reoslution settings");
resolve_countries = new_resolv_countries;
if(resolve_countries && !geoipDBLoaded) {
qDebug("Loading geoip database");
GeoIP::loadDatabase(s);
geoipDBLoaded = true;
}
// Update torrent handles
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())
h.resolve_countries(resolve_countries);
}
}
#endif
// * UPnP
if(Preferences::isUPnPEnabled()) {
enableUPnP(true);
addConsoleMessage(tr("UPnP support [ON]"), QString::fromUtf8("blue"));
} else {
enableUPnP(false);
addConsoleMessage(tr("UPnP support [OFF]"), QString::fromUtf8("blue"));
}
// * NAT-PMP
if(Preferences::isNATPMPEnabled()) {
enableNATPMP(true);
addConsoleMessage(tr("NAT-PMP support [ON]"), QString::fromUtf8("blue"));
} else {
enableNATPMP(false);
addConsoleMessage(tr("NAT-PMP support [OFF]"), QString::fromUtf8("blue"));
}
// * Session settings
session_settings sessionSettings;
QString peer_id = Preferences::getPeerID();
if(peer_id.size() != 2) peer_id = "qB";
if(peer_id == "UT") {
QString version = Preferences::getClientVersion().replace(".", "");
while(version.size() < 4)
version.append("0");
QString build = Preferences::getClientBuild();
sessionSettings.user_agent = QString("uTorrent/"+version+"("+build+")").toStdString();
} else {
if(peer_id == "AZ") {
QStringList version = Preferences::getClientVersion().split(".");
while(version.size() < 4)
version << "0";
sessionSettings.user_agent = QString("Azureus "+version.join(".")).toStdString();
} else {
if(peer_id == "KT") {
sessionSettings.user_agent = QString("KTorrent/"+Preferences::getClientVersion()).toStdString();
} else {
sessionSettings.user_agent = "qBittorrent "VERSION;
}
}
}
std::cout << "HTTP user agent is " << sessionSettings.user_agent << std::endl;
addConsoleMessage(tr("HTTP user agent is %1").arg(misc::toQString(sessionSettings.user_agent)));
sessionSettings.upnp_ignore_nonrouters = true;
sessionSettings.use_dht_as_fallback = false;
// To prevent ISPs from blocking seeding
sessionSettings.lazy_bitfields = true;
// Speed up exit
sessionSettings.stop_tracker_timeout = 1;
//sessionSettings.announce_to_all_trackers = true;
sessionSettings.auto_scrape_interval = 1200; // 20 minutes
#ifdef LIBTORRENT_0_15
sessionSettings.announce_to_all_tiers = true; //uTorrent behavior
sessionSettings.auto_scrape_min_interval = 900; // 15 minutes
#endif
// To keep same behavior as in qBittorrent v1.2.0
sessionSettings.rate_limit_ip_overhead = false;
sessionSettings.cache_size = Preferences::diskCacheSize()*64;
addConsoleMessage(tr("Using a disk cache size of %1 MiB").arg(Preferences::diskCacheSize()));
// Queueing System
if(Preferences::isQueueingSystemEnabled()) {
sessionSettings.active_downloads = Preferences::getMaxActiveDownloads();
sessionSettings.active_seeds = Preferences::getMaxActiveUploads();
sessionSettings.active_limit = Preferences::getMaxActiveTorrents();
sessionSettings.dont_count_slow_torrents = false;
setQueueingEnabled(true);
} else {
sessionSettings.active_downloads = -1;
sessionSettings.active_seeds = -1;
sessionSettings.active_limit = -1;
setQueueingEnabled(false);
}
setSessionSettings(sessionSettings);
// Bittorrent
// * Max connections limit
setMaxConnections(Preferences::getMaxConnecs());
// * Max connections per torrent limit
setMaxConnectionsPerTorrent(Preferences::getMaxConnecsPerTorrent());
// * Max uploads per torrent limit
setMaxUploadsPerTorrent(Preferences::getMaxUploadsPerTorrent());
// * DHT
if(Preferences::isDHTEnabled()) {
// Set DHT Port
if(enableDHT(true)) {
int dht_port;
if(Preferences::isDHTPortSameAsBT())
dht_port = 0;
else
dht_port = Preferences::getDHTPort();
setDHTPort(dht_port);
if(dht_port == 0) dht_port = new_listenPort;
addConsoleMessage(tr("DHT support [ON], port: UDP/%1").arg(dht_port), QString::fromUtf8("blue"));
} else {
addConsoleMessage(tr("DHT support [OFF]"), QString::fromUtf8("red"));
}
} else {
enableDHT(false);
addConsoleMessage(tr("DHT support [OFF]"), QString::fromUtf8("blue"));
}
// * PeX
if(PeXEnabled) {
addConsoleMessage(tr("PeX support [ON]"), QString::fromUtf8("blue"));
} else {
addConsoleMessage(tr("PeX support [OFF]"), QString::fromUtf8("red"));
}
if(PeXEnabled != Preferences::isPeXEnabled()) {
addConsoleMessage(tr("Restart is required to toggle PeX support"), QString::fromUtf8("red"));
}
// * LSD
if(Preferences::isLSDEnabled()) {
enableLSD(true);
addConsoleMessage(tr("Local Peer Discovery [ON]"), QString::fromUtf8("blue"));
} else {
enableLSD(false);
addConsoleMessage(tr("Local Peer Discovery support [OFF]"), QString::fromUtf8("blue"));
}
// * Encryption
int encryptionState = Preferences::getEncryptionSetting();
// The most secure, rc4 only so that all streams and encrypted
pe_settings encryptionSettings;
encryptionSettings.allowed_enc_level = pe_settings::rc4;
encryptionSettings.prefer_rc4 = true;
switch(encryptionState) {
case 0: //Enabled
encryptionSettings.out_enc_policy = pe_settings::enabled;
encryptionSettings.in_enc_policy = pe_settings::enabled;
addConsoleMessage(tr("Encryption support [ON]"), QString::fromUtf8("blue"));
break;
case 1: // Forced
encryptionSettings.out_enc_policy = pe_settings::forced;
encryptionSettings.in_enc_policy = pe_settings::forced;
addConsoleMessage(tr("Encryption support [FORCED]"), QString::fromUtf8("blue"));
break;
default: // Disabled
encryptionSettings.out_enc_policy = pe_settings::disabled;
encryptionSettings.in_enc_policy = pe_settings::disabled;
addConsoleMessage(tr("Encryption support [OFF]"), QString::fromUtf8("blue"));
}
applyEncryptionSettings(encryptionSettings);
// * Desired ratio
setGlobalRatio(Preferences::getDesiredRatio());
// * Maximum ratio
setDeleteRatio(Preferences::getDeleteRatio());
// Ip Filter
FilterParserThread::processFilterList(s, Preferences::bannedIPs());
if(Preferences::isFilteringEnabled()) {
enableIPFilter(Preferences::getFilter());
}else{
disableIPFilter();
}
// Update Web UI
if (Preferences::isWebUiEnabled()) {
quint16 port = Preferences::getWebUiPort();
QString username = Preferences::getWebUiUsername();
QString password = Preferences::getWebUiPassword();
initWebUi(username, password, port);
} else if(httpServer) {
delete httpServer;
}
// * Proxy settings
proxy_settings proxySettings;
if(Preferences::isPeerProxyEnabled()) {
qDebug("Enabling P2P proxy");
proxySettings.hostname = Preferences::getPeerProxyIp().toStdString();
qDebug("hostname is %s", proxySettings.hostname.c_str());
proxySettings.port = Preferences::getPeerProxyPort();
qDebug("port is %d", proxySettings.port);
if(Preferences::isPeerProxyAuthEnabled()) {
proxySettings.username = Preferences::getPeerProxyUsername().toStdString();
proxySettings.password = Preferences::getPeerProxyPassword().toStdString();
qDebug("username is %s", proxySettings.username.c_str());
qDebug("password is %s", proxySettings.password.c_str());
}
}
switch(Preferences::getPeerProxyType()) {
case HTTP:
qDebug("type: http");
proxySettings.type = proxy_settings::http;
break;
case HTTP_PW:
qDebug("type: http_pw");
proxySettings.type = proxy_settings::http_pw;
break;
case SOCKS4:
proxySettings.type = proxy_settings::socks4;
case SOCKS5:
qDebug("type: socks5");
proxySettings.type = proxy_settings::socks5;
break;
case SOCKS5_PW:
qDebug("type: socks5_pw");
proxySettings.type = proxy_settings::socks5_pw;
break;
default:
proxySettings.type = proxy_settings::none;
}
setPeerProxySettings(proxySettings);
// HTTP Proxy
proxy_settings http_proxySettings;
switch(Preferences::getHTTPProxyType()) {
case HTTP_PW:
http_proxySettings.type = proxy_settings::http_pw;
http_proxySettings.username = Preferences::getHTTPProxyUsername().toStdString();
http_proxySettings.password = Preferences::getHTTPProxyPassword().toStdString();
http_proxySettings.hostname = Preferences::getHTTPProxyIp().toStdString();
http_proxySettings.port = Preferences::getHTTPProxyPort();
break;
case HTTP:
http_proxySettings.type = proxy_settings::http;
http_proxySettings.hostname = Preferences::getHTTPProxyIp().toStdString();
http_proxySettings.port = Preferences::getHTTPProxyPort();
break;
default:
http_proxySettings.type = proxy_settings::none;
}
setHTTPProxySettings(http_proxySettings);
qDebug("Session configured");
}
bool Bittorrent::initWebUi(QString username, QString password, int port) {
if(httpServer) {
if(httpServer->serverPort() != port) {
httpServer->close();
}
} else {
httpServer = new HttpServer(this, 3000, this);
}
httpServer->setAuthorization(username, password);
bool success = true;
if(!httpServer->isListening()) {
success = httpServer->listen(QHostAddress::Any, port);
if (success)
addConsoleMessage(tr("The Web UI is listening on port %1").arg(port));
else
addConsoleMessage(tr("Web User Interface Error - Unable to bind Web UI to port %1").arg(port), "red");
}
return success;
}
void Bittorrent::takeETASamples() {
bool change = false;;
foreach(const QString &hash, ETA_samples.keys()) {
QTorrentHandle h = getTorrentHandle(hash);
if(h.is_valid() && !h.is_paused() && !h.is_seed()) {
QList<int> samples = ETA_samples.value(h.hash(), QList<int>());
if(samples.size() >= MAX_SAMPLES)
samples.removeFirst();
samples.append(h.download_payload_rate());
ETA_samples[h.hash()] = samples;
change = true;
} else {
ETA_samples.remove(hash);
}
}
if(!change && timerETA) {
delete timerETA;
}
}
// This algorithm was inspired from KTorrent - http://www.ktorrent.org
// Calculate the ETA using a combination of several algorithms:
// GASA: Global Average Speed Algorithm
// CSA: Current Speed Algorithm
// WINX: Window of X Algorithm
qlonglong Bittorrent::getETA(QString hash) {
QTorrentHandle h = getTorrentHandle(hash);
if(!h.is_valid() || h.state() != torrent_status::downloading || !h.active_time())
return -1;
// See if the torrent is going to be completed soon
qulonglong bytes_left = h.actual_size() - h.total_wanted_done();
if(h.actual_size() > 10485760L) { // Size > 10MiB
if(h.progress() >= (float)0.99 && bytes_left < 10485760L) { // Progress>99% but less than 10MB left.
// Compute by taking samples
if(!ETA_samples.contains(h.hash())) {
ETA_samples[h.hash()] = QList<int>();
}
if(!timerETA) {
timerETA = new QTimer(this);
connect(timerETA, SIGNAL(timeout()), this, SLOT(takeETASamples()));
timerETA->start();
} else {
QList<int> samples = ETA_samples.value(h.hash(), QList<int>());
int nb_samples = samples.size();
if(nb_samples > 3) {
long sum_samples = 0;
foreach(int val, samples) {
sum_samples += val;
}
// Use WINX
return (qlonglong)(((double)bytes_left) / (((double)sum_samples) / ((double)nb_samples)));
}
}
}
}
// Normal case: Use GASA
double avg_speed = (double)h.all_time_download() / h.active_time();
return (qlonglong) floor((double) (bytes_left) / avg_speed);
}
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()))));
}
bool Bittorrent::hasActiveTorrents() const {
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() && !h.is_paused() && !h.is_queued())
return true;
}
return false;
}
void Bittorrent::banIP(QString ip) {
FilterParserThread::processFilterList(s, QStringList(ip));
Preferences::banIP(ip);
}
// 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 delete_local_files) {
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(delete_local_files)
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::BTBackupLocation());
QStringList filters;
filters << hash+".*";
QStringList files = torrentBackup.entryList(filters, QDir::Files, QDir::Unsorted);
foreach(const QString &file, files) {
torrentBackup.remove(file);
}
TorrentPersistentData::deletePersistentData(hash);
// Remove tracker errors
trackersInfos.remove(hash);
if(delete_local_files)
addConsoleMessage(tr("'%1' was removed from transfer list and hard disk.", "'xxx.avi' was removed...").arg(fileName));
else
addConsoleMessage(tr("'%1' was removed from transfer list.", "'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);
}
}
QTorrentHandle Bittorrent::addMagnetUri(QString magnet_uri, bool resumed) {
QTorrentHandle h;
QString hash = misc::magnetUriToHash(magnet_uri);
if(hash.isEmpty()) {
addConsoleMessage(tr("'%1' is not a valid magnet URI.").arg(magnet_uri));
return h;
}
if(resumed) {
qDebug("Resuming magnet URI: %s", hash.toLocal8Bit().data());
} else {
qDebug("Adding new magnet URI");
}
bool fastResume=false;
Q_ASSERT(magnet_uri.startsWith("magnet:"));
QDir torrentBackup(misc::BTBackupLocation());
// Check if torrent is already in download list
if(s->find_torrent(sha1_hash(hash.toLocal8Bit().data())).is_valid()) {
qDebug("/!\\ Torrent is already in download list");
// Update info Bar
addConsoleMessage(tr("'%1' is already in download list.", "e.g: 'xxx.avi' is already in download list.").arg(magnet_uri));
return h;
}
add_torrent_params p;
//Getting fast resume data if existing
std::vector<char> buf;
if(resumed) {
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);
if(!defaultTempPath.isEmpty() && resumed && !TorrentPersistentData::isSeed(hash)) {
qDebug("addMagnetURI: Temp folder is enabled.");
p.save_path = defaultTempPath.toLocal8Bit().data();
qDebug("addMagnetURI: using save_path: %s", defaultTempPath.toLocal8Bit().data());
} else {
p.save_path = savePath.toLocal8Bit().data();
qDebug("addMagnetURI: using save_path: %s", savePath.toLocal8Bit().data());
}
#ifdef LIBTORRENT_0_15
// Skip checking and directly start seeding (new in libtorrent v0.15)
if(TorrentTempData::isSeedingMode(hash)){
p.seed_mode=true;
} else {
p.seed_mode=false;
}
#endif
// Preallocate all?
if(preAllocateAll)
p.storage_mode = storage_mode_allocate;
else
p.storage_mode = storage_mode_sparse;
// Start in pause
p.paused = false;
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(add_magnet_uri(*s, magnet_uri.toStdString(), 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");
return h;
}
Q_ASSERT(h.hash() == hash);
// If temp path is enabled, move torrent
if(!defaultTempPath.isEmpty() && !resumed) {
qDebug("Temp folder is enabled, moving new torrent to temp folder");
h.move_storage(defaultTempPath);
}
// Connections limit per torrent
h.set_max_connections(Preferences::getMaxConnecsPerTorrent());
// Uploads limit per torrent
h.set_max_uploads(Preferences::getMaxUploadsPerTorrent());
#ifndef DISABLE_GUI
// Resolve countries
h.resolve_countries(resolve_countries);
#endif
// Load filtered files
if(!resumed) {
// Sequential download
if(TorrentTempData::hasTempData(hash)) {
qDebug("addMagnetURI Setting download as sequential (from tmp data)");
h.set_sequential_download(TorrentTempData::isSequential(hash));
}
QString label = TorrentTempData::getLabel(hash);
// Save persistent data for new torrent
TorrentPersistentData::saveTorrentPersistentData(h);
// Save Label
if(!label.isEmpty()) {
TorrentPersistentData::saveLabel(hash, label);
}
// Save save_path
if(!defaultTempPath.isEmpty()) {
qDebug("addTorrent: Saving save_path in persistent data: %s", savePath.toLocal8Bit().data());
TorrentPersistentData::saveSavePath(hash, savePath);
}
}
if(!addInPause && !fastResume) {
// Start torrent because it was added in paused state
h.resume();
}
// Send torrent addition signal
if(fastResume)
addConsoleMessage(tr("'%1' resumed. (fast resume)", "'/home/y/xxx.torrent' was resumed. (fast resume)").arg(magnet_uri));
else
addConsoleMessage(tr("'%1' added to download list.", "'/home/y/xxx.torrent' was added to download list.").arg(magnet_uri));
emit addedTorrent(h);
return h;
}
// Add a torrent to the Bittorrent session
QTorrentHandle Bittorrent::addTorrent(QString path, bool fromScanDir, QString from_url, bool resumed) {
QTorrentHandle h;
bool fastResume=false;
QDir torrentBackup(misc::BTBackupLocation());
QString file, hash;
boost::intrusive_ptr<torrent_info> t;
// 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());
try {
// Getting torrent file informations
t = new torrent_info(file.toLocal8Bit().data());
if(!t->is_valid())
throw std::exception();
} 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());
hash = misc::toQString(t->info_hash());
// 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;
if(resumed) {
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;
if(!from_url.isEmpty() && savepath_fromurl.contains(QUrl::fromEncoded(from_url.toLocal8Bit()))) {
// Enforcing the save path defined before URL download (from RSS for example)
savePath = savepath_fromurl.take(QUrl::fromEncoded(from_url.toLocal8Bit()));
} else {
savePath = getSavePath(hash);
}
if(!defaultTempPath.isEmpty() && resumed && !TorrentPersistentData::isSeed(hash)) {
qDebug("addTorrent::Temp folder is enabled.");
p.save_path = defaultTempPath.toLocal8Bit().data();
qDebug("addTorrent: using save_path: %s", defaultTempPath.toLocal8Bit().data());
} else {
p.save_path = savePath.toLocal8Bit().data();
qDebug("addTorrent: using save_path: %s", savePath.toLocal8Bit().data());
}
#ifdef LIBTORRENT_0_15
// Skip checking and directly start seeding (new in libtorrent v0.15)
if(TorrentTempData::isSeedingMode(hash)){
p.seed_mode=true;
} else {
p.seed_mode=false;
}
#endif
// TODO: Remove in v1.6.0: For backward compatibility only
if(QFile::exists(misc::BTBackupLocation()+QDir::separator()+hash+".finished")) {
p.save_path = savePath.toLocal8Bit().data();
QFile::remove(misc::BTBackupLocation()+QDir::separator()+hash+".finished");
}
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;
}
// If temp path is enabled, move torrent
if(!defaultTempPath.isEmpty() && !resumed) {
qDebug("Temp folder is enabled, moving new torrent to temp folder");
h.move_storage(defaultTempPath);
}
// Connections limit per torrent
h.set_max_connections(Preferences::getMaxConnecsPerTorrent());
// Uploads limit per torrent
h.set_max_uploads(Preferences::getMaxUploadsPerTorrent());
#ifndef DISABLE_GUI
// Resolve countries
qDebug("AddTorrent: Resolve_countries: %d", (int)resolve_countries);
h.resolve_countries(resolve_countries);
#endif
if(!resumed) {
// Sequential download
if(TorrentTempData::hasTempData(hash)) {
qDebug("addTorrent: Setting download as sequential (from tmp data)");
h.prioritize_files(TorrentTempData::getFilesPriority(hash));
h.set_sequential_download(TorrentTempData::isSequential(hash));
// Import Files names from torrent addition dialog
QStringList files_path = TorrentTempData::getFilesPath(hash);
if(files_path.size() == h.num_files()) {
for(int i=0; i<h.num_files(); ++i) {
QString path = files_path.at(i);
h.rename_file(i, path);
}
}
}
QString label = TorrentTempData::getLabel(hash);
// Save persistent data for new torrent
TorrentPersistentData::saveTorrentPersistentData(h);
// Save Label
if(!label.isEmpty()) {
TorrentPersistentData::saveLabel(hash, label);
}
// Save save_path
if(!defaultTempPath.isEmpty()) {
qDebug("addTorrent: Saving save_path in persistent data: %s", savePath.toLocal8Bit().data());
TorrentPersistentData::saveSavePath(hash, savePath);
}
#ifdef LIBTORRENT_0_15
// Append .!qB to incomplete files
if(appendqBExtension)
appendqBextensionToTorrent(h, true);
#endif
}
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);
}
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;
}
// Set the maximum number of opened connections
void Bittorrent::setMaxConnections(int maxConnec) {
s->set_max_connections(maxConnec);
}
void Bittorrent::setMaxConnectionsPerTorrent(int 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) {
// 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;
}
bool Bittorrent::isLSDEnabled() const{
return LSDEnabled;
}
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::cacheLocation()+QDir::separator()+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::cacheLocation()+QDir::separator()+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::cacheLocation()+QDir::separator()+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;
}
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())
TorrentPersistentData::savePriority(h);
// Actually with should save fast resume data for paused files too
//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();
try {
// Remove torrent from session
s->remove_torrent(rda->handle);
}catch(libtorrent::libtorrent_exception){}
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::BTBackupLocation());
QTorrentHandle h(rd->handle);
if(!h.is_valid()) continue;
// 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;
}
#ifdef DISABLE_GUI
void Bittorrent::addConsoleMessage(QString msg, QString) {
#else
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>"));
#endif
emit newConsoleMessage(QDateTime::currentDateTime().toString("dd/MM/yyyy hh:mm:ss") + " - " + msg);
}
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;
}
void Bittorrent::addTorrentsFromScanFolder(QStringList &pathList) {
QString dir_path = FSWatcher->directories().first();
foreach(const QString &file, pathList) {
QString fullPath = dir_path+QDir::separator()+file;
try {
torrent_info t(fullPath.toLocal8Bit().data());
addTorrent(fullPath, true);
} catch(std::exception&) {
qDebug("Ignoring incomplete torrent file: %s", fullPath.toLocal8Bit().data());
}
}
}
QString Bittorrent::getDefaultSavePath() const {
return defaultSavePath;
}
bool Bittorrent::useTemporaryFolder() const {
return !defaultTempPath.isEmpty();
}
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 {
// Moving all downloading torrents to temporary save path
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;
}
#ifdef LIBTORRENT_0_15
void Bittorrent::appendqBextensionToTorrent(QTorrentHandle h, bool append) {
if(!h.is_valid() || !h.has_metadata()) return;
std::vector<size_type> fp;
h.file_progress(fp);
for(int i=0; i<h.num_files(); ++i) {
if(append) {
qulonglong file_size = h.filesize_at(i);
if(file_size > 0 && (fp[i]/(double)file_size) < 1.) {
QString name = misc::toQString(h.get_torrent_info().file_at(i).path.string());
if(!name.endsWith(".!qB")) {
qDebug("Renaming %s to %s", name.toLocal8Bit().data(), (name+".!qB").toLocal8Bit().data());
h.rename_file(i, name + ".!qB");
}
}
} else {
QString name = misc::toQString(h.get_torrent_info().file_at(i).path.string());
if(name.endsWith(".!qB")) {
name.chop(4);
qDebug("Renaming %s to %s", (name+".!qB").toLocal8Bit().data(), name.toLocal8Bit().data());
h.rename_file(i, name);
}
}
}
}
#endif
void Bittorrent::changeLabelInTorrentSavePath(QTorrentHandle h, QString old_label, QString new_label) {
if(!h.is_valid()) return;
if(!appendLabelToSavePath) return;
QString old_save_path = TorrentPersistentData::getSavePath(h.hash());
QDir old_dir(old_save_path);
bool move_storage = (old_dir == QDir(h.save_path()));
if(!old_label.isEmpty()) {
Q_ASSERT(old_dir.dirName() == old_label);
QString path = old_save_path;
// Cd UP
if(path.endsWith(QDir::separator()))
path.chop(1);
QStringList path_items = path.split(QDir::separator());
path_items.removeLast();
old_dir = QDir(path_items.join(QDir::separator()));
}
QString new_save_path;
if(new_label.isEmpty()) {
new_save_path = old_dir.absolutePath();
} else {
new_save_path = old_dir.absoluteFilePath(new_label);
}
TorrentPersistentData::saveSavePath(h.hash(), new_save_path);
if(move_storage) {
// Move storage
h.move_storage(new_save_path);
}
emit savePathChanged(h);
}
void Bittorrent::appendLabelToTorrentSavePath(QTorrentHandle h) {
if(!h.is_valid()) return;
QString label = TorrentPersistentData::getLabel(h.hash());
if(label.isEmpty()) return;
// Current save path
QString old_save_path = TorrentPersistentData::getSavePath(h.hash());
QDir old_dir(old_save_path);
if(old_dir.dirName() != label) {
QString new_save_path = old_dir.absoluteFilePath(label);
TorrentPersistentData::saveSavePath(h.hash(), new_save_path);
if(old_dir == QDir(h.save_path())) {
// Move storage
h.move_storage(new_save_path);
}
emit savePathChanged(h);
}
}
void Bittorrent::setAppendLabelToSavePath(bool append) {
if(appendLabelToSavePath != append) {
appendLabelToSavePath = !appendLabelToSavePath;
if(appendLabelToSavePath) {
// Move torrents storage to sub folder with label name
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
appendLabelToTorrentSavePath(h);
}
}
}
}
#ifdef LIBTORRENT_0_15
void Bittorrent::setAppendqBExtension(bool append) {
if(appendqBExtension != append) {
appendqBExtension = !appendqBExtension;
// append or remove .!qB extension for incomplete files
std::vector<torrent_handle> torrents = getTorrents();
std::vector<torrent_handle>::iterator torrentIT;
for(torrentIT = torrents.begin(); torrentIT != torrents.end(); torrentIT++) {
QTorrentHandle h = QTorrentHandle(*torrentIT);
appendqBextensionToTorrent(h, appendqBExtension);
}
}
}
#endif
// Enable directory scanning
void Bittorrent::enableDirectoryScanning(QString scan_dir) {
if(!scan_dir.isEmpty()) {
QDir newDir(scan_dir);
if(!newDir.exists()) {
qDebug("Scan dir %s does not exist, create it", scan_dir.toUtf8().data());
newDir.mkpath(scan_dir);
}
if(FSWatcher == 0) {
// Set up folder watching
FSWatcher = new FileSystemWatcher(this);
connect(FSWatcher, SIGNAL(torrentsAdded(QStringList&)), this, SLOT(addTorrentsFromScanFolder(QStringList&)));
FSWatcher->addPath(scan_dir);
} else {
QString old_scan_dir = "";
if(!FSWatcher->directories().empty())
old_scan_dir = FSWatcher->directories().first();
if(QDir(old_scan_dir) != QDir(scan_dir)) {
if(!old_scan_dir.isEmpty())
FSWatcher->removePath(old_scan_dir);
FSWatcher->addPath(scan_dir);
}
}
}
}
// Disable directory scanning
void Bittorrent::disableDirectoryScanning() {
if(FSWatcher) {
delete FSWatcher;
}
}
// Set the ports range in which is chosen the port the Bittorrent
// session will listen to
void Bittorrent::setListeningPort(int port) {
std::pair<int,int> ports(port, port);
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();
}
}
// Set DHT port (>= 1000 or 0 if same as BT)
void Bittorrent::setDHTPort(int dht_port) {
if(dht_port == 0 || dht_port >= 1000) {
if(dht_port == current_dht_port) return;
struct dht_settings DHTSettings;
DHTSettings.service_port = dht_port;
s->set_dht_settings(DHTSettings);
current_dht_port = dht_port;
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::setPeerProxySettings(proxy_settings proxySettings) {
qDebug("Set Peer Proxy settings");
s->set_peer_proxy(proxySettings);
s->set_dht_proxy(proxySettings);
}
void Bittorrent::setHTTPProxySettings(proxy_settings proxySettings) {
s->set_tracker_proxy(proxySettings);
s->set_web_seed_proxy(proxySettings);
QString proxy_str;
switch(proxySettings.type) {
case proxy_settings::http:
proxy_str = "http://"+misc::toQString(proxySettings.username)+":"+misc::toQString(proxySettings.password)+"@"+misc::toQString(proxySettings.hostname)+":"+QString::number(proxySettings.port);
case proxy_settings::http_pw:
proxy_str = "http://"+misc::toQString(proxySettings.hostname)+":"+QString::number(proxySettings.port);
default:
qDebug("Disabling search proxy");
#ifdef Q_WS_WIN
putenv("http_proxy=");
#else
unsetenv("http_proxy");
#endif
return;
}
// We need this for urllib in search engine plugins
#ifdef Q_WS_WIN
char proxystr[512];
snprintf(proxystr, 512, "http_proxy=%s", proxy_str.toLocal8Bit().data());
putenv(proxystr);
#else
qDebug("HTTP: proxy string: %s", proxy_str.toLocal8Bit().data());
setenv("http_proxy", proxy_str.toLocal8Bit().data(), 1);
#endif
}
// 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();
// Remember finished state
TorrentPersistentData::saveSeedStatus(h);
// 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();
// Check if there are torrent files inside
for(int i=0; i<h.get_torrent_info().num_files(); ++i) {
QString torrent_relpath = misc::toQString(h.get_torrent_info().file_at(i).path);
if(torrent_relpath.endsWith(".torrent")) {
addConsoleMessage(tr("Recursive download of file %1 embedded in torrent %2", "Recursive download of test.torrent embedded in torrent test2").arg(torrent_relpath).arg(h.name()));
QString torrent_fullpath = h.save_path()+QDir::separator()+torrent_relpath;
boost::intrusive_ptr<torrent_info> t;
try {
t = new torrent_info(torrent_fullpath.toLocal8Bit().data());
QString sub_hash = misc::toQString(t->info_hash());
// Passing the save path along to the sub torrent file
TorrentTempData::setSavePath(sub_hash, h.save_path());
addTorrent(torrent_fullpath);
} catch(std::exception&) {
qDebug("Caught error loading torrent");
addConsoleMessage(tr("Unable to decode %1 torrent file.").arg(torrent_fullpath), QString::fromUtf8("red"));
}
}
}
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::BTBackupLocation());
QTorrentHandle h(p->handle);
if(h.is_valid()) {
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 (storage_moved_alert* p = dynamic_cast<storage_moved_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid())
h.force_recheck(); //XXX: Required by libtorrent for now
}
else if (metadata_received_alert* p = dynamic_cast<metadata_received_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid()) {
qDebug("Received metadata for %s", h.hash().toLocal8Bit().data());
#ifdef LIBTORRENT_0_15
// Append .!qB to incomplete files
if(appendqBExtension)
appendqBextensionToTorrent(h, true);
#endif
emit metadataReceived(h);
if(h.is_paused()) {
// XXX: Unfortunately libtorrent-rasterbar does not send a torrent_paused_alert
// and the torrent can be paused when metadata is received
emit pausedTorrent(h);
}
}
}
else if (file_error_alert* p = dynamic_cast<file_error_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid()) {
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()));
h.pause();
emit pausedTorrent(h);
}
}
}
#ifdef LIBTORRENT_0_15
else if (file_completed_alert* p = dynamic_cast<file_completed_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(appendqBExtension) {
QString name = misc::toQString(h.get_torrent_info().file_at(p->index).path.string());
if(name.endsWith(".!qB")) {
name.chop(4);
qDebug("Renaming %s to %s", (name+".!qB").toLocal8Bit().data(), name.toLocal8Bit().data());
h.rename_file(p->index, name);
}
}
}
#endif
/*else if (torrent_paused_alert* p = dynamic_cast<torrent_paused_alert*>(a.get())) {
QTorrentHandle h(p->handle);
qDebug("Received a torrent_paused_alert for %s", h.hash().toLocal8Bit().data());
if(h.is_valid()) {
emit torrentPaused(h);
}
}*/
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) {
qDebug("Received a tracker error for %s: %s", p->url.c_str(), p->msg.c_str());
QString tracker_url = misc::toQString(p->url);
QHash<QString, TrackerInfos> trackers_data = trackersInfos.value(h.hash(), QHash<QString, TrackerInfos>());
TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
data.last_message = misc::toQString(p->msg);
#ifndef LIBTORRENT_0_15
data.verified = false;
++data.fail_count;
#endif
trackers_data.insert(tracker_url, data);
trackersInfos[h.hash()] = trackers_data;
} 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", p->url.c_str());
// Connection was successful now. Remove possible old errors
QHash<QString, TrackerInfos> trackers_data = trackersInfos.value(h.hash(), QHash<QString, TrackerInfos>());
QString tracker_url = misc::toQString(p->url);
TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
data.last_message = ""; // Reset error/warning message
data.num_peers = p->num_peers;
#ifndef LIBTORRENT_0_15
data.fail_count = 0;
data.verified = true;
#endif
trackers_data.insert(tracker_url, data);
trackersInfos[h.hash()] = trackers_data;
}
} else if (tracker_warning_alert* p = dynamic_cast<tracker_warning_alert*>(a.get())) {
QTorrentHandle h(p->handle);
if(h.is_valid()){
// Connection was successful now but there is a warning message
QHash<QString, TrackerInfos> trackers_data = trackersInfos.value(h.hash(), QHash<QString, TrackerInfos>());
QString tracker_url = misc::toQString(p->url);
TrackerInfos data = trackers_data.value(tracker_url, TrackerInfos(tracker_url));
data.last_message = misc::toQString(p->msg); // Store warning message
#ifndef LIBTORRENT_0_15
data.verified = true;
data.fail_count = 0;
#endif
trackers_data.insert(tracker_url, data);
trackersInfos[h.hash()] = trackers_data;
qDebug("Received a tracker warning from %s: %s", p->url.c_str(), p->msg.c_str());
}
}
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())), "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())), "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());
// Move to temp directory if necessary
if(!h.is_seed() && !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(defaultTempPath);
}
}
emit torrentFinishedChecking(h);
emit metadataReceived(h);
}
}
a = s->pop_alert();
}
}
QHash<QString, TrackerInfos> Bittorrent::getTrackersInfo(QString hash) const{
return trackersInfos.value(hash, QHash<QString, TrackerInfos>());
}
int Bittorrent::getListenPort() const{
qDebug("LISTEN PORT: %d", s->listen_port());
return s->listen_port();
}
session_status Bittorrent::getSessionStatus() const{
return s->status();
}
QString Bittorrent::getSavePath(QString hash) {
QString savePath;
if(TorrentTempData::hasTempData(hash)) {
savePath = TorrentTempData::getSavePath(hash);
if(savePath.isEmpty())
savePath = defaultSavePath;
if(appendLabelToSavePath) {
qDebug("appendLabelToSavePath is true");
QString label = TorrentTempData::getLabel(hash);
if(!label.isEmpty()) {
QDir save_dir(savePath);
if(save_dir.dirName() != label) {
savePath = save_dir.absoluteFilePath(label);
}
}
}
qDebug("getSavePath, got save_path from temp data: %s", savePath.toLocal8Bit().data());
} else {
savePath = TorrentPersistentData::getSavePath(hash);
if(savePath.isEmpty())
savePath = defaultSavePath;
if(appendLabelToSavePath) {
QString label = TorrentPersistentData::getLabel(hash);
if(!label.isEmpty()) {
QDir save_dir(savePath);
if(save_dir.dirName() != label) {
savePath = save_dir.absoluteFilePath(label);
}
}
}
qDebug("getSavePath, got save_path from persistent data: %s", savePath.toLocal8Bit().data());
}
// Clean path
savePath = misc::expandPath(savePath);
// Checking if savePath Dir exists
// create it if it is not
QDir saveDir(savePath);
if(!saveDir.exists()) {
if(!saveDir.mkpath(saveDir.absolutePath())) {
std::cerr << "Couldn't create the save directory: " << saveDir.path().toLocal8Bit().data() << "\n";
// XXX: Do something else?
}
}
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)
#ifndef DISABLE_GUI
, QPalette::WindowText
#endif
);
//emit aboutToDownloadFromUrl(url);
// Launch downloader thread
downloader->downloadUrl(url);
}
void Bittorrent::downloadFromURLList(const QStringList& urls) {
foreach(const QString &url, urls) {
downloadFromUrl(url);
}
}
void Bittorrent::addMagnetSkipAddDlg(QString uri) {
addMagnetUri(uri, false);
}
void Bittorrent::downloadUrlAndSkipDialog(QString url, QString save_path) {
//emit aboutToDownloadFromUrl(url);
QUrl qurl = QUrl::fromEncoded(url.toLocal8Bit());
if(!save_path.isEmpty())
savepath_fromurl[qurl] = save_path;
url_skippingDlg << qurl;
// 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(QUrl::fromEncoded(url.toLocal8Bit()));
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);
}
}
// 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::cacheLocation()+QDir::separator()+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);
}
// Will fast resume torrents in
// backup directory
void Bittorrent::startUpTorrents() {
qDebug("Resuming unfinished torrents");
QSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
QDir torrentBackup(misc::BTBackupLocation());
QStringList known_torrents = TorrentPersistentData::knownTorrents();
if(known_torrents.empty() && !settings.value("v1_4_x_torrent_imported", false).toBool()) {
qDebug("No known torrent, importing old torrents");
importOldTorrents();
return;
}
// Safety measure because some people reported torrent loss since
// we switch the v1.5 way of resuming torrents on startup
QStringList filters;
filters << "*.torrent";
QStringList torrents_on_hd = torrentBackup.entryList(filters, QDir::Files, QDir::Unsorted);
foreach(QString hash, torrents_on_hd) {
hash.chop(8); // remove trailing .torrent
if(!known_torrents.contains(hash)) {
std::cerr << "ERROR Detected!!! Adding back torrent " << hash.toLocal8Bit().data() << " which got lost for some reason." << std::endl;
addTorrent(torrentBackup.path()+QDir::separator()+hash+".torrent", false, QString(), true);
}
}
// End of safety measure
qDebug("Starting up torrents");
if(isQueueingEnabled()) {
QList<QPair<int, QString> > hashes;
foreach(const QString &hash, known_torrents) {
QString filePath;
if(TorrentPersistentData::isMagnet(hash)) {
filePath = TorrentPersistentData::getMagnetUri(hash);
} else {
filePath = torrentBackup.path()+QDir::separator()+hash+".torrent";
}
int prio = TorrentPersistentData::getPriority(hash);
misc::insertSort2<QString>(hashes, qMakePair(prio, hash));
}
// Resume downloads
QPair<int, QString> couple;
foreach(couple, hashes) {
QString hash = couple.second;
qDebug("Starting up torrent %s", hash.toLocal8Bit().data());
if(TorrentPersistentData::isMagnet(hash)) {
addMagnetUri(TorrentPersistentData::getMagnetUri(hash), true);
} else {
addTorrent(torrentBackup.path()+QDir::separator()+hash+".torrent", false, QString(), true);
}
}
} else {
// Resume downloads
foreach(const QString &hash, known_torrents) {
qDebug("Starting up torrent %s", hash.toLocal8Bit().data());
if(TorrentPersistentData::isMagnet(hash))
addMagnetUri(TorrentPersistentData::getMagnetUri(hash), true);
else
addTorrent(torrentBackup.path()+QDir::separator()+hash+".torrent", false, QString(), true);
}
}
qDebug("Unfinished torrents resumed");
}
// Import torrents temp data from v1.4.0 or earlier: save_path, filtered pieces
// TODO: Remove in qBittorrent v2.2.0
void Bittorrent::importOldTempData(QString torrent_path) {
// Create torrent hash
boost::intrusive_ptr<torrent_info> t;
try {
t = new torrent_info(torrent_path.toLocal8Bit().data());
QString hash = misc::toQString(t->info_hash());
// Load save path
QFile savepath_file(misc::BTBackupLocation()+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());
qDebug("Imported the following save path: %s", savePath.toLocal8Bit().data());
TorrentTempData::setSavePath(hash, savePath);
}
// Load pieces priority
QFile pieces_file(misc::BTBackupLocation()+QDir::separator()+hash+".priorities");
if(pieces_file.exists()){
// Read saved file
if(pieces_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
QByteArray pieces_priorities = pieces_file.readAll();
pieces_file.close();
QList<QByteArray> pieces_priorities_list = pieces_priorities.split('\n');
std::vector<int> pp;
for(int i=0; i<t->num_files(); ++i) {
int priority = pieces_priorities_list.at(i).toInt();
if( priority < 0 || priority > 7) {
priority = 1;
}
//qDebug("Setting piece piority to %d", priority);
pp.push_back(priority);
}
TorrentTempData::setFilesPriority(hash, pp);
qDebug("Successfuly imported pieces_priority");
}
}
// Load sequential
if(QFile::exists(misc::BTBackupLocation()+QDir::separator()+hash+".incremental")) {
qDebug("Imported torrent was sequential");
TorrentTempData::setSequential(hash, true);
}
} catch(std::exception&) {
}
}
// Trackers, web seeds, speed limits
// TODO: Remove in qBittorrent v2.2.0
void Bittorrent::applyFormerAttributeFiles(QTorrentHandle h) {
// Load trackers
QDir torrentBackup(misc::BTBackupLocation());
QFile tracker_file(torrentBackup.path()+QDir::separator()+ h.hash() + ".trackers");
if(tracker_file.exists()) {
if(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()) {
h.replace_trackers(trackers);
h.force_reannounce();
}
}
}
// Load Web seeds
QFile urlseeds_file(misc::BTBackupLocation()+QDir::separator()+h.hash()+".urlseeds");
if(urlseeds_file.exists()) {
if(urlseeds_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
QByteArray urlseeds_lines = urlseeds_file.readAll();
urlseeds_file.close();
QList<QByteArray> url_seeds = urlseeds_lines.split('\n');
// 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);
}
}
}
}
// Load speed limits
QFile speeds_file(misc::BTBackupLocation()+QDir::separator()+h.hash()+".speedLimits");
if(speeds_file.exists()) {
if(speeds_file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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 " << h.hash().toStdString() << '\n';
return;
}
h.set_download_limit(speeds.at(0).toInt());
h.set_upload_limit(speeds.at(1).toInt());
}
}
}
// Import torrents from v1.4.0 or earlier
// TODO: Remove in qBittorrent v2.2.0
void Bittorrent::importOldTorrents() {
QSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
Q_ASSERT(!settings.value("v1_4_x_torrent_imported", false).toBool());
// Import old torrent
QDir torrentBackup(misc::BTBackupLocation());
QStringList fileNames;
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) {
importOldTempData(fileName.second);
QTorrentHandle h = addTorrent(fileName.second, false, QString(), true);
// Sequential download
if(TorrentTempData::hasTempData(h.hash())) {
qDebug("addTorrent: Setting download as sequential (from tmp data)");
h.set_sequential_download(TorrentTempData::isSequential(h.hash()));
}
applyFormerAttributeFiles(h);
QString savePath = TorrentTempData::getSavePath(h.hash());
// Save persistent data for new torrent
TorrentPersistentData::saveTorrentPersistentData(h);
// Save save_path
if(!defaultTempPath.isEmpty() && !savePath.isNull()) {
qDebug("addTorrent: Saving save_path in persistent data: %s", savePath.toLocal8Bit().data());
TorrentPersistentData::saveSavePath(h.hash(), savePath);
}
}
} else {
QStringList filePaths;
foreach(const QString &fileName, fileNames) {
filePaths.append(torrentBackup.path()+QDir::separator()+fileName);
}
// Resume downloads
foreach(const QString &fileName, filePaths) {
importOldTempData(fileName);
QTorrentHandle h = addTorrent(fileName, false, QString(), true);
// Sequential download
if(TorrentTempData::hasTempData(h.hash())) {
qDebug("addTorrent: Setting download as sequential (from tmp data)");
h.set_sequential_download(TorrentTempData::isSequential(h.hash()));
}
applyFormerAttributeFiles(h);
QString savePath = TorrentTempData::getSavePath(h.hash());
// Save persistent data for new torrent
TorrentPersistentData::saveTorrentPersistentData(h);
// Save save_path
if(!defaultTempPath.isEmpty() && !savePath.isNull()) {
qDebug("addTorrent: Saving save_path in persistent data: %s", savePath.toLocal8Bit().data());
TorrentPersistentData::saveSavePath(h.hash(), savePath);
}
}
}
settings.setValue("v1_4_x_torrent_imported", true);
std::cout << "Successfully imported torrents from v1.4.x (or previous) instance" << std::endl;
}