C++ QLocalSocket::abort方法代码示例

void SocketHandler::socketReadable()
{
    int sessionId = -1;
    QLocalSocket* socket = (QLocalSocket*)sender();
    ((QLocalSocket*)sender())->read((char*)&sessionId, sizeof(int));

    disconnect(socket, SIGNAL(readyRead()), this, SLOT(socketReadable()));

    if (sessionId >= 0) {
        if(!m_idMap.contains(sessionId))
            m_idMap.insert(sessionId, new SessionData((QLocalSocket*)sender(), this));
    } else {
        sensordLogC() << "[SocketHandler]: Failed to read valid session ID from client. Closing socket.";
        socket->abort();
    }
}

int main(int argc, char *argv[])
{
  QApplication::setApplicationName(LONG_NAME);
  QApplication::setApplicationVersion(VERSION);
  QApplication::setOrganizationName(ORG);
  QApplication::setDesktopSettingsAware(true);
  QApplication app(argc, argv);

  // make sure only one instance is running
  QLocalSocket* socket = new QLocalSocket();
  socket->connectToServer(SOCKET_NAME);
  bool b_connected = socket->waitForConnected(500);
  socket->abort();
  delete socket;
  if (b_connected) {
    qDebug() <<  QCoreApplication::translate("main.cpp", "Another running instance of CMST has been detected.  This instance is aborting");
    return 1;
  }

  // setup the command line parser
  QCommandLineParser parser;
  parser.setApplicationDescription(QApplication::translate("main.cpp", "Connman System Tray.") );

  QCommandLineOption bypassState(QStringList() << "b" << "bypass-restore-state",
		QCoreApplication::translate("main.cpp", "Bypass restoring the window state if restoring window state is specified in the settings file.") );
  parser.addOption(bypassState);

  QCommandLineOption bypassStartOptions(QStringList() << "B" << "bypass-start-options",
		QCoreApplication::translate("main.cpp", "Bypass restoring any start options in the settings file.") );
  parser.addOption(bypassStartOptions);

  QCommandLineOption disableCounters(QStringList() << "c" << "disable-counters",
		QCoreApplication::translate("main.cpp", "[Experimental] Disable data counters.  May be used to minimize load on your system.") );
  parser.addOption(disableCounters);

  QCommandLineOption disableTrayIcon(QStringList() << "d" << "disable-tray-icon",
		QCoreApplication::translate("main.cpp", "Disable the system tray icon.  May be needed for system trays not compliant with the Freedesktop.org system tray specification.") );
  parser.addOption(disableTrayIcon);

  parser.addHelpOption();

  QCommandLineOption useIconTheme(QStringList() << "i" << "icon-theme",
		QCoreApplication::translate("main.cpp", "Use an icon theme from your system."),
		QCoreApplication::translate("main.cpp", "Icon Theme Name"),
		QString() );
  parser.addOption(useIconTheme);

  QCommandLineOption logInputRequest(QStringList() << "l" << "log-input-request",
		QCoreApplication::translate("main.cpp", "Log the connman inputRequest for debugging purposes.") );
  parser.addOption(logInputRequest);

  QCommandLineOption startMinimized(QStringList() << "m" << "minimized",
		QCoreApplication::translate("main.cpp", "Start the GUI minimized in the system tray.") );
  parser.addOption(startMinimized);

  parser.addVersionOption();

  QCommandLineOption waitTime(QStringList() << "w" << "wait-time",
		QCoreApplication::translate("main.cpp", "Specify the wait time in seconds before starting the system tray icon."),
		QCoreApplication::translate("main.cpp", "seconds"),
		"0");
  parser.addOption(waitTime);

  QCommandLineOption counterUpdateKb (QStringList() << "counter-update-kb",
		QCoreApplication::translate("main.cpp", "[Experimental] The number of kb that have to be transmitted before the counter updates."),
		QCoreApplication::translate("main.cpp", "KB"),
		"1024" );
  parser.addOption(counterUpdateKb);

  QCommandLineOption counterUpdateRate (QStringList() << "counter-update-rate",
		QCoreApplication::translate("main.cpp", "[Experimental] The interval in seconds between counter updates."),
		QCoreApplication::translate("main.cpp", "seconds"),
		"10" );
  parser.addOption(counterUpdateRate);

	// Added on 2015.01.04 to work around QT5.4 bug with transparency not always working
  QCommandLineOption fakeTransparency(QStringList() << "fake-transparency",
		QCoreApplication::translate("main.cpp", "If tray icon fake transparency is required, specify the background color to use (format: 0xRRGGBB)"),
		QCoreApplication::translate("main.cpp", "RRGGBB"),
		"0x222222" );
  parser.addOption(fakeTransparency);

  // Added on 2014.11.24 to work around a bug where QT5.3 won't show an icon in XFCE,  My fix may not work, but keep it in for now.  If this gets fixed in
  // QT5.4 keep the command line option so users start up commands don't break, but make it a NOP.
  QCommandLineOption useXFCE(QStringList() << "use-xfce",
		QCoreApplication::translate("main.cpp", "Use XFCE specific code.") );
  parser.addOption(useXFCE);

  // Added on 2014.12.16 to work around a similar bug where QT5.3 won't show an icon in MATE.
  QCommandLineOption useMATE(QStringList() << "use-mate",
		QCoreApplication::translate("main.cpp", "Use MATE DE specific code.") );
  parser.addOption(useMATE);

  // Setup translations
  QTranslator qtTranslator;
  qtTranslator.load("qt_" + QLocale::system().name(),
  QLibraryInfo::location(QLibraryInfo::TranslationsPath));
  app.installTranslator(&qtTranslator);

  QTranslator cmstTranslator;
//.........这里部分代码省略.........