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/*
SPDX-FileCopyrightText: 2010 Joris Guisson <joris.guisson@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "ktcli.h"
#include <cstdlib>
#include <ctime>
#include <QCommandLineParser>
#include <QDir>
#include <QRandomGenerator>
#include <interfaces/serverinterface.h>
#include <peer/authenticationmonitor.h>
#include <peer/utpex.h>
#include <util/error.h>
#include <util/fileops.h>
#include <util/functions.h>
#include <util/waitjob.h>
#include <version.h>
using namespace bt;
using namespace Qt::Literals::StringLiterals;
KTCLI::KTCLI(int argc, char **argv)
: QCoreApplication(argc, argv)
, tc(new TorrentControl())
, updates(0)
{
parser.addPositionalArgument(u"url"_s, tr("Torrent to open"));
parser.addOption(QCommandLineOption(u"port"_s, tr("Port to use"), u"<port>"_s, u"6881"_s));
parser.addOption(QCommandLineOption(u"tmpdir"_s, tr("Port to use"), u"<tmpdir>"_s, QDir::tempPath()));
parser.addOption(QCommandLineOption(u"encryption"_s, tr("Whether or not to enable encryption")));
parser.addOption(QCommandLineOption(u"pex"_s, tr("Whether or not to enable peer exchange")));
parser.addOption(QCommandLineOption(u"utp"_s, tr("Whether or not to use utp")));
parser.process(*this);
bt::SetClientInfo(u"ktcli"_s, bt::MAJOR, bt::MINOR, bt::RELEASE, bt::NORMAL, u"KT"_s);
bt::InitLog(u"ktcli.log"_s, false, true, false);
connect(tc.get(), &TorrentInterface::finished, this, &KTCLI::finished);
connect(this, &QCoreApplication::aboutToQuit, this, &KTCLI::shutdown);
}
KTCLI::~KTCLI()
{
}
bool KTCLI::start()
{
bool ok = false;
quint16 port = parser.value(u"port"_s).toInt(&ok);
if (!ok)
port = 1024 + QRandomGenerator::global()->bounded((1 << 16) - 1 - 1024); // Use non-root ports
if (parser.isSet(u"encryption"_s)) {
Out(SYS_GEN | LOG_NOTICE) << "Enabled encryption" << endl;
ServerInterface::enableEncryption(false);
}
if (parser.isSet(u"pex"_s)) {
Out(SYS_GEN | LOG_NOTICE) << "Enabled PEX" << endl;
UTPex::setEnabled(true);
}
if (parser.isSet(u"utp"_s)) {
Out(SYS_GEN | LOG_NOTICE) << "Enabled UTP" << endl;
if (!bt::Globals::instance().initUTPServer(port)) {
Out(SYS_GEN | LOG_NOTICE) << "Failed to listen on port " << port << endl;
return false;
}
ServerInterface::setPort(port);
ServerInterface::setUtpEnabled(true, true);
ServerInterface::setPrimaryTransportProtocol(UTP);
} else {
if (!bt::Globals::instance().initTCPServer(port)) {
Out(SYS_GEN | LOG_NOTICE) << "Failed to listen on port " << port << endl;
return false;
}
}
if (parser.positionalArguments().isEmpty())
return false;
return load(QUrl::fromLocalFile(parser.positionalArguments().at(0)));
}
bool KTCLI::load(const QUrl &url)
{
QDir dir(url.toLocalFile());
if (dir.exists() && dir.exists(u"torrent"_s) && dir.exists(u"stats"_s)) {
// Load existing torrent
if (loadFromDir(dir.absolutePath())) {
tc->start();
connect(&timer, &QTimer::timeout, this, &KTCLI::update);
timer.start(250);
return true;
}
} else if (url.isLocalFile()) {
QString path = url.toLocalFile();
if (loadFromFile(path)) {
tc->start();
connect(&timer, &QTimer::timeout, this, &KTCLI::update);
timer.start(250);
return true;
}
} else {
Out(SYS_GEN | LOG_IMPORTANT) << "Non local files not supported" << endl;
}
return false;
}
QString KTCLI::tempDir()
{
QDir tmpdir = QDir(parser.value(u"tmpdir"_s));
int i = 0;
while (tmpdir.exists(u"tor%1"_s.arg(i)))
i++;
QString sd = u"tor%1"_s.arg(i);
if (!tmpdir.mkdir(sd))
throw bt::Error(u"Failed to create temporary directory %1"_s.arg(sd));
tmpdir.cd(sd);
return tmpdir.absolutePath();
}
bool KTCLI::loadFromFile(const QString &path)
{
try {
tc->init(this, bt::LoadFile(path), tempDir(), QDir::currentPath());
tc->setLoadUrl(QUrl(path));
tc->createFiles();
return true;
} catch (bt::Error &err) {
Out(SYS_GEN | LOG_IMPORTANT) << err.toString() << endl;
return false;
}
}
bool KTCLI::loadFromDir(const QString &path)
{
try {
tc->init(this, bt::LoadFile(path + "/torrent"_L1), path, QString());
tc->createFiles();
return true;
} catch (bt::Error &err) {
Out(SYS_GEN | LOG_IMPORTANT) << err.toString() << endl;
return false;
}
}
bool KTCLI::notify(QObject *obj, QEvent *ev)
{
try {
return QCoreApplication::notify(obj, ev);
} catch (bt::Error &err) {
Out(SYS_GEN | LOG_DEBUG) << "Error: " << err.toString() << endl;
} catch (std::exception &err) {
Out(SYS_GEN | LOG_DEBUG) << "Error: " << err.what() << endl;
}
return true;
}
bool KTCLI::alreadyLoaded(const bt::SHA1Hash &ih) const
{
Q_UNUSED(ih);
return false;
}
void KTCLI::mergeAnnounceList(const bt::SHA1Hash &ih, const bt::TrackerTier *trk)
{
Q_UNUSED(ih);
Q_UNUSED(trk);
}
void KTCLI::update()
{
bt::UpdateCurrentTime();
AuthenticationMonitor::instance().update();
tc->update();
updates++;
if (updates % 20 == 0) {
Out(SYS_GEN | LOG_DEBUG) << "Speed down " << bt::BytesPerSecToString(tc->getStats().download_rate) << endl;
Out(SYS_GEN | LOG_DEBUG) << "Speed up " << bt::BytesPerSecToString(tc->getStats().upload_rate) << endl;
}
}
void KTCLI::finished(bt::TorrentInterface *tor)
{
Q_UNUSED(tor);
Out(SYS_GEN | LOG_NOTICE) << "Torrent fully downloaded" << endl;
QTimer::singleShot(0, this, &KTCLI::shutdown);
}
void KTCLI::shutdown()
{
AuthenticationMonitor::instance().shutdown();
WaitJob *j = new WaitJob(2000);
tc->stop(j);
if (j->needToWait())
j->exec();
j->deleteLater();
Globals::instance().shutdownTCPServer();
Globals::instance().shutdownUTPServer();
quit();
}
#include "moc_ktcli.cpp"
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