void Application::validateCommandLineParameters()
{
if (m_commandLineArgs.portableMode && !m_commandLineArgs.profileDir.isEmpty())
throw CommandLineParameterError(tr("Portable mode and explicit profile directory options are mutually exclusive"));
if (m_commandLineArgs.portableMode && m_commandLineArgs.relativeFastresumePaths)
Logger::instance()->addMessage(tr("Portable mode implies relative fastresume"), Log::WARNING);
}
// Main
int main(int argc, char *argv[])
{
// We must save it here because QApplication constructor may change it
bool isOneArg = (argc == 2);
#ifdef Q_OS_MAC
// On macOS 10.12 Sierra, Apple changed the behaviour of CFPreferencesSetValue() https://bugreports.qt.io/browse/QTBUG-56344
// Due to this, we have to move from native plist to IniFormat
macMigratePlists();
#endif
#if !defined(DISABLE_GUI) && defined(Q_OS_UNIX)
setupDpi();
#endif
try {
// Create Application
QString appId = QLatin1String("qBittorrent-") + Utils::Misc::getUserIDString();
QScopedPointer<Application> app(new Application(appId, argc, argv));
#ifndef DISABLE_GUI
// after the application object creation because we need a profile to be set already
// for the migration
migrateRSS();
#endif
const QBtCommandLineParameters params = app->commandLineArgs();
if (!params.unknownParameter.isEmpty()) {
throw CommandLineParameterError(QObject::tr("%1 is an unknown command line parameter.",
"--random-parameter is an unknown command line parameter.")
.arg(params.unknownParameter));
}
#ifndef Q_OS_WIN
if (params.showVersion) {
if (isOneArg) {
displayVersion();
return EXIT_SUCCESS;
}
throw CommandLineParameterError(QObject::tr("%1 must be the single command line parameter.")
.arg(QLatin1String("-v (or --version)")));
}
#endif
if (params.showHelp) {
if (isOneArg) {
displayUsage(argv[0]);
return EXIT_SUCCESS;
}
throw CommandLineParameterError(QObject::tr("%1 must be the single command line parameter.")
.arg(QLatin1String("-h (or --help)")));
}
// Set environment variable
if (!qputenv("QBITTORRENT", QBT_VERSION))
std::cerr << "Couldn't set environment variable...\n";
#ifndef DISABLE_GUI
if (!userAgreesWithLegalNotice())
return EXIT_SUCCESS;
#else
if (!params.shouldDaemonize
&& isatty(fileno(stdin))
&& isatty(fileno(stdout))
&& !userAgreesWithLegalNotice())
return EXIT_SUCCESS;
#endif
// Check if qBittorrent is already running for this user
if (app->isRunning()) {
#ifdef DISABLE_GUI
if (params.shouldDaemonize) {
throw CommandLineParameterError(QObject::tr("You cannot use %1: qBittorrent is already running for this user.")
.arg(QLatin1String("-d (or --daemon)")));
}
else
#endif
qDebug("qBittorrent is already running for this user.");
QThread::msleep(300);
app->sendParams(params.paramList());
return EXIT_SUCCESS;
}
#if defined(Q_OS_WIN)
// This affects only Windows apparently and Qt5.
// When QNetworkAccessManager is instantiated it regularly starts polling
// the network interfaces to see what's available and their status.
// This polling creates jitter and high ping with wifi interfaces.
// So here we disable it for lack of better measure.
// It will also spew this message in the console: QObject::startTimer: Timers cannot have negative intervals
// For more info see:
// 1. https://github.com/qbittorrent/qBittorrent/issues/4209
// 2. https://bugreports.qt.io/browse/QTBUG-40332
// 3. https://bugreports.qt.io/browse/QTBUG-46015
qputenv("QT_BEARER_POLL_TIMEOUT", QByteArray::number(-1));
#endif
#if defined(Q_OS_MAC)
// Since Apple made difficult for users to set PATH, we set here for convenience.
// Users are supposed to install Homebrew Python for search function.
// For more info see issue #5571.
QByteArray path = "/usr/local/bin:";
path += qgetenv("PATH");
qputenv("PATH", path.constData());
// On OS X the standard is to not show icons in the menus
app->setAttribute(Qt::AA_DontShowIconsInMenus);
#endif
#ifndef DISABLE_GUI
if (!upgrade()) return EXIT_FAILURE;
#else
if (!upgrade(!params.shouldDaemonize
&& isatty(fileno(stdin))
&& isatty(fileno(stdout)))) return EXIT_FAILURE;
#endif
#ifdef DISABLE_GUI
if (params.shouldDaemonize) {
app.reset(); // Destroy current application
if ((daemon(1, 0) == 0)) {
app.reset(new Application(appId, argc, argv));
if (app->isRunning()) {
// Another instance had time to start.
return EXIT_FAILURE;
}
}
else {
qCritical("Something went wrong while daemonizing, exiting...");
return EXIT_FAILURE;
}
}
#else
if (!(params.noSplash || Preferences::instance()->isSplashScreenDisabled()))
showSplashScreen();
#endif
#if defined(Q_OS_UNIX) || defined(STACKTRACE_WIN)
signal(SIGINT, sigNormalHandler);
signal(SIGTERM, sigNormalHandler);
signal(SIGABRT, sigAbnormalHandler);
signal(SIGSEGV, sigAbnormalHandler);
#endif
return app->exec(params.paramList());
}
catch (CommandLineParameterError &er) {
displayBadArgMessage(er.messageForUser());
return EXIT_FAILURE;
}
}
QBtCommandLineParameters parseCommandLine(const QStringList &args)
{
QBtCommandLineParameters result {QProcessEnvironment::systemEnvironment()};
for (int i = 1; i < args.count(); ++i) {
const QString &arg = args[i];
if ((arg.startsWith("--") && !arg.endsWith(".torrent"))
|| (arg.startsWith("-") && (arg.size() == 2))) {
// Parse known parameters
if ((arg == SHOW_HELP_OPTION)) {
result.showHelp = true;
}
#ifndef Q_OS_WIN
else if (arg == SHOW_VERSION_OPTION) {
result.showVersion = true;
}
#endif
else if (arg == WEBUI_PORT_OPTION) {
result.webUiPort = WEBUI_PORT_OPTION.value(arg);
if ((result.webUiPort < 1) || (result.webUiPort > 65535))
throw CommandLineParameterError(QObject::tr("%1 must specify a valid port (1 to 65535).")
.arg(QLatin1String("--webui-port")));
}
#ifndef DISABLE_GUI
else if (arg == NO_SPLASH_OPTION) {
result.noSplash = true;
}
#else
else if (arg == DAEMON_OPTION) {
result.shouldDaemonize = true;
}
#endif
else if (arg == PROFILE_OPTION) {
result.profileDir = PROFILE_OPTION.value(arg);
}
else if (arg == RELATIVE_FASTRESUME) {
result.relativeFastresumePaths = true;
}
else if (arg == PORTABLE_OPTION) {
result.portableMode = true;
}
else if (arg == CONFIGURATION_OPTION) {
result.configurationName = CONFIGURATION_OPTION.value(arg);
}
else if (arg == SAVE_PATH_OPTION) {
result.savePath = SAVE_PATH_OPTION.value(arg);
}
else if (arg == PAUSED_OPTION) {
result.addPaused = PAUSED_OPTION.value(arg);
}
else if (arg == SKIP_HASH_CHECK_OPTION) {
result.skipChecking = true;
}
else if (arg == CATEGORY_OPTION) {
result.category = CATEGORY_OPTION.value(arg);
}
else if (arg == SEQUENTIAL_OPTION) {
result.sequential = true;
}
else if (arg == FIRST_AND_LAST_OPTION) {
result.firstLastPiecePriority = true;
}
else if (arg == SKIP_DIALOG_OPTION) {
result.skipDialog = SKIP_DIALOG_OPTION.value(arg);
}
else {
// Unknown argument
result.unknownParameter = arg;
break;
}
}
else {
QFileInfo torrentPath;
torrentPath.setFile(arg);
if (torrentPath.exists())
result.torrents += torrentPath.absoluteFilePath();
else
result.torrents += arg;
}
}
return result;
}
