422 lines
16 KiB
C++
422 lines
16 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2016 Simon Stürz <simon.stuerz@guh.io> *
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* *
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* This file is part of loopd. *
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* *
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* Loopd can not be copied and/or distributed without the express *
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* permission of guh GmbH. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "networkmanager.h"
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#include "networkconnection.h"
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#include <QUuid>
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#include <QDebug>
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#include <QMetaEnum>
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/*! Constructs a new \l{NetworkManager} object with the given \a parent. */
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NetworkManager::NetworkManager(QObject *parent) :
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QObject(parent),
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m_networkManagerInterface(nullptr),
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m_available(false),
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m_state(NetworkManagerStateUnknown),
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m_connectivityState(NetworkManagerConnectivityStateUnknown),
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m_networkingEnabled(false),
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m_wirelessEnabled(false)
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{
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// Check DBus connection
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if (!QDBusConnection::systemBus().isConnected()) {
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qWarning() << "System DBus not connected. NetworkManagre not available.";
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return;
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}
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// Create interface
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m_networkManagerInterface = new QDBusInterface(networkManagerServiceString, networkManagerPathString, networkManagerServiceString, QDBusConnection::systemBus(), this);
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if(!m_networkManagerInterface->isValid()) {
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qWarning() << "Invalid DBus network manager interface. NetworkManagre not available.";
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return;
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}
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m_available = true;
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// Read properties
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setVersion(m_networkManagerInterface->property("Version").toString());
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setState((NetworkManagerState)m_networkManagerInterface->property("State").toUInt());
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setConnectivityState((NetworkManagerConnectivityState)m_networkManagerInterface->property("Connectivity").toUInt());
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setNetworkingEnabled(m_networkManagerInterface->property("NetworkingEnabled").toBool());
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setWirelessEnabled(m_networkManagerInterface->property("WirelessEnabled").toBool());
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loadDevices();
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// Connect signals
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QDBusConnection::systemBus().connect(networkManagerServiceString, networkManagerPathString, networkManagerServiceString, "StateChanged", this, SLOT(onStateChanged(uint)));
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QDBusConnection::systemBus().connect(networkManagerServiceString, networkManagerPathString, networkManagerServiceString, "DeviceAdded", this, SLOT(onDeviceAdded(QDBusObjectPath)));
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QDBusConnection::systemBus().connect(networkManagerServiceString, networkManagerPathString, networkManagerServiceString, "DeviceRemoved", this, SLOT(onDeviceRemoved(QDBusObjectPath)));
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QDBusConnection::systemBus().connect(networkManagerServiceString, networkManagerPathString, networkManagerServiceString, "PropertiesChanged", this, SLOT(onPropertiesChanged(QVariantMap)));
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// Create settings
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m_networkSettings = new NetworkSettings(this);
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}
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NetworkManager::~NetworkManager()
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{
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qDebug() << "Destroy network manager.";
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}
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/*! Returns true if the network-manager is available on this system. */
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bool NetworkManager::available()
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{
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return m_available;
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}
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/*! Returns true if wifi is available on this system. */
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bool NetworkManager::wirelessAvailable()
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{
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return !m_wirelessNetworkDevices.isEmpty();
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}
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/*! Returns the list of \l{NetworkDevice}{NetworkDevices} from this \l{NetworkManager}. */
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QList<NetworkDevice *> NetworkManager::networkDevices() const
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{
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return m_networkDevices.values();
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}
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QList<WirelessNetworkDevice *> NetworkManager::wirelessNetworkDevices() const
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{
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return m_wirelessNetworkDevices.values();
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}
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/*! Returns the list of \l{WiredNetworkDevice}{WiredNetworkDevices} from this \l{NetworkManager}. */
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QList<WiredNetworkDevice *> NetworkManager::wiredNetworkDevices() const
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{
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return m_wiredNetworkDevices.values();
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}
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/*! Returns the \l{NetworkDevice} with the given \a interface from this \l{NetworkManager}. If there is no such \a interface returns Q_NULLPTR. */
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NetworkDevice *NetworkManager::getNetworkDevice(const QString &interface)
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{
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foreach (NetworkDevice *device, m_networkDevices.values()) {
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if (device->interface() == interface)
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return device;
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}
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return Q_NULLPTR;
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}
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/*! Returns the version of the running \l{NetworkManager}. */
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QString NetworkManager::version() const
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{
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return m_version;
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}
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/*! Returns the state of this \l{NetworkManager}. \sa NetworkManagerState, */
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NetworkManager::NetworkManagerState NetworkManager::state() const
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{
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return m_state;
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}
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/*! Returns the human readable string of the current state of this \l{NetworkManager}. \sa NetworkManagerState, */
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QString NetworkManager::stateString() const
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{
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return networkManagerStateToString(m_state);
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}
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/*! Returns the current connectivity state of this \l{NetworkManager}. \sa NetworkManagerConnectivityState, */
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NetworkManager::NetworkManagerConnectivityState NetworkManager::connectivityState() const
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{
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return m_connectivityState;
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}
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/*! Connect the given \a interface to a wifi network with the given \a ssid and \a password. Returns the \l{NetworkManagerError} to inform about the result. \sa NetworkManagerError, */
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NetworkManager::NetworkManagerError NetworkManager::connectWifi(const QString &interface, const QString &ssid, const QString &password, const bool &hidden)
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{
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// Check interface
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if (!getNetworkDevice(interface))
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return NetworkManagerErrorNetworkInterfaceNotFound;
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// Get wirelessNetworkDevice
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WirelessNetworkDevice *wirelessNetworkDevice = 0;
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foreach (WirelessNetworkDevice *networkDevice, wirelessNetworkDevices()) {
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if (networkDevice->interface() == interface)
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wirelessNetworkDevice = networkDevice;
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}
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if (!wirelessNetworkDevice)
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return NetworkManagerErrorInvalidNetworkDeviceType;
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// Get the access point object path
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WirelessAccessPoint *accessPoint = wirelessNetworkDevice->getAccessPoint(ssid);
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if (!accessPoint)
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return NetworkManagerErrorAccessPointNotFound;
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// Note: https://developer.gnome.org/NetworkManager/stable/ref-settings.html
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QVariantMap connectionSettings;
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connectionSettings.insert("autoconnect", true);
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connectionSettings.insert("id", ssid + " (loop)");
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connectionSettings.insert("uuid", QUuid::createUuid().toString().remove("{").remove("}"));
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connectionSettings.insert("type", "802-11-wireless");
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QVariantMap wirelessSettings;
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wirelessSettings.insert("ssid", ssid.toUtf8());
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wirelessSettings.insert("mode", "infrastructure");
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// Note: disable power save mode
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wirelessSettings.insert("powersave", 2);
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if (hidden)
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wirelessSettings.insert("hidden", true);
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QVariantMap wirelessSecuritySettings;
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wirelessSecuritySettings.insert("auth-alg", "open");
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wirelessSecuritySettings.insert("key-mgmt", "wpa-psk");
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wirelessSecuritySettings.insert("psk", password);
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QVariantMap ipv4Settings;
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ipv4Settings.insert("method", "auto");
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QVariantMap ipv6Settings;
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ipv6Settings.insert("method", "auto");
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// Build connection object
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ConnectionSettings settings;
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settings.insert("connection", connectionSettings);
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settings.insert("802-11-wireless", wirelessSettings);
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settings.insert("ipv4", ipv4Settings);
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settings.insert("ipv6", ipv6Settings);
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settings.insert("802-11-wireless-security", wirelessSecuritySettings);
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// Remove old configuration (if there is any)
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foreach (NetworkConnection *connection, m_networkSettings->connections()) {
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if (connection->id() == connectionSettings.value("id")) {
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connection->deleteConnection();
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}
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}
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// Add connection
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QDBusObjectPath connectionObjectPath = m_networkSettings->addConnection(settings);
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if (connectionObjectPath.path().isEmpty())
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return NetworkManagerErrorWirelessConnectionFailed;
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// Activate connection
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QDBusMessage query = m_networkManagerInterface->call("ActivateConnection", QVariant::fromValue(connectionObjectPath), QVariant::fromValue(wirelessNetworkDevice->objectPath()), QVariant::fromValue(accessPoint->objectPath()));
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if(query.type() != QDBusMessage::ReplyMessage) {
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qWarning() << query.errorName() << query.errorMessage();
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return NetworkManagerErrorWirelessConnectionFailed;
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}
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return NetworkManagerErrorNoError;
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}
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/*! Returns true if the networking of this \l{NetworkManager} is enabled. */
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bool NetworkManager::networkingEnabled() const
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{
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return m_networkingEnabled;
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}
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/*! Returns true if the networking of this \l{NetworkManager} could be \a enabled. */
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bool NetworkManager::enableNetworking(const bool &enabled)
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{
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if (m_networkingEnabled == enabled)
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return true;
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QDBusMessage query = m_networkManagerInterface->call("Enable", enabled);
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if(query.type() != QDBusMessage::ReplyMessage) {
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qWarning() << query.errorName() << query.errorMessage();
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return false;
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}
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return true;
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}
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/*! Sets the networking of this \l{NetworkManager} to \a enabled. */
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void NetworkManager::setNetworkingEnabled(const bool &enabled)
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{
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qDebug() << "Networking" << (enabled ? "enabled" : "disabled");
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m_networkingEnabled = enabled;
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emit networkingEnabledChanged();
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}
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/*! Returns true if the wireless networking of this \l{NetworkManager} is enabled. */
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bool NetworkManager::wirelessEnabled() const
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{
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return m_wirelessEnabled;
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}
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/*! Returns true if the wireless networking of this \l{NetworkManager} could be set to \a enabled. */
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bool NetworkManager::enableWireless(const bool &enabled)
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{
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if (m_wirelessEnabled == enabled)
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return true;
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return m_networkManagerInterface->setProperty("WirelessEnabled", enabled);
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}
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void NetworkManager::loadDevices()
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{
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// Get network devices
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QDBusMessage query = m_networkManagerInterface->call("GetDevices");
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if(query.type() != QDBusMessage::ReplyMessage) {
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qWarning() << query.errorName() << query.errorMessage();
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return;
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}
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if (query.arguments().isEmpty())
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return;
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const QDBusArgument &argument = query.arguments().at(0).value<QDBusArgument>();
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argument.beginArray();
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while(!argument.atEnd()) {
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QDBusObjectPath deviceObjectPath = qdbus_cast<QDBusObjectPath>(argument);
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onDeviceAdded(deviceObjectPath);
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}
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argument.endArray();
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}
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QString NetworkManager::networkManagerStateToString(const NetworkManager::NetworkManagerState &state)
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{
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QMetaObject metaObject = NetworkManager::staticMetaObject;
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int enumIndex = metaObject.indexOfEnumerator(QString("NetworkManagerState").toLatin1().data());
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QMetaEnum metaEnum = metaObject.enumerator(enumIndex);
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return QString(metaEnum.valueToKey(state));
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}
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QString NetworkManager::networkManagerConnectivityStateToString(const NetworkManager::NetworkManagerConnectivityState &state)
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{
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QMetaObject metaObject = NetworkManager::staticMetaObject;
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int enumIndex = metaObject.indexOfEnumerator(QString("NetworkManagerConnectivityState").toLatin1().data());
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QMetaEnum metaEnum = metaObject.enumerator(enumIndex);
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return QString(metaEnum.valueToKey(state)).remove("NetworkManagerConnectivityState");
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}
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void NetworkManager::setVersion(const QString &version)
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{
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qDebug() << "Version:" << version;
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m_version = version;
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emit versionChanged();
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}
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void NetworkManager::setWirelessEnabled(const bool &enabled)
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{
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qDebug() << "Wireless networking" << (enabled ? "enabled" : "disabled");
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m_wirelessEnabled = enabled;
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emit wirelessEnabledChanged();
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}
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void NetworkManager::setConnectivityState(const NetworkManager::NetworkManagerConnectivityState &connectivityState)
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{
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qDebug() << "Connectivity state changed:" << networkManagerConnectivityStateToString(connectivityState);
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m_connectivityState = connectivityState;
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emit connectivityStateChanged();
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}
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void NetworkManager::setState(const NetworkManager::NetworkManagerState &state)
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{
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qDebug() << "State changed:" << networkManagerStateToString(state);
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m_state = state;
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emit stateChanged();
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}
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void NetworkManager::onDeviceAdded(const QDBusObjectPath &deviceObjectPath)
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{
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if (m_networkDevices.keys().contains(deviceObjectPath)) {
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qWarning() << "Device" << deviceObjectPath.path() << "already added.";
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return;
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}
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// Get device Type
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QDBusInterface networkDeviceInterface(networkManagerServiceString, deviceObjectPath.path(), deviceInterfaceString, QDBusConnection::systemBus());
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if(!networkDeviceInterface.isValid()) {
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qWarning() << "NetworkDevice: Invalid DBus device interface" << deviceObjectPath.path();
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return;
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}
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// Create object
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NetworkDevice::NetworkDeviceType deviceType = NetworkDevice::NetworkDeviceType(networkDeviceInterface.property("DeviceType").toUInt());
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switch (deviceType) {
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case NetworkDevice::NetworkDeviceTypeWifi: {
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WirelessNetworkDevice *wirelessNetworkDevice = new WirelessNetworkDevice(deviceObjectPath, this);
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qDebug() << "[+]" << wirelessNetworkDevice;
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m_networkDevices.insert(deviceObjectPath, wirelessNetworkDevice);
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m_wirelessNetworkDevices.insert(deviceObjectPath, wirelessNetworkDevice);
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connect(wirelessNetworkDevice, &WirelessNetworkDevice::deviceChanged, this, &NetworkManager::onWirelessDeviceChanged);
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emit wirelessDeviceAdded(wirelessNetworkDevice);
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break;
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}
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case NetworkDevice::NetworkDeviceTypeEthernet: {
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WiredNetworkDevice *wiredNetworkDevice = new WiredNetworkDevice(deviceObjectPath, this);
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qDebug() << "[+]" << wiredNetworkDevice;
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m_networkDevices.insert(deviceObjectPath, wiredNetworkDevice);
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m_wiredNetworkDevices.insert(deviceObjectPath, wiredNetworkDevice);
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connect(wiredNetworkDevice, &WiredNetworkDevice::deviceChanged, this, &NetworkManager::onWiredDeviceChanged);
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emit wiredDeviceAdded(wiredNetworkDevice);
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break;
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}
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default:
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NetworkDevice *networkDevice = new NetworkDevice(deviceObjectPath, this);
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qDebug() << "[+]" << networkDevice;
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m_networkDevices.insert(deviceObjectPath, networkDevice);
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break;
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}
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}
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void NetworkManager::onDeviceRemoved(const QDBusObjectPath &deviceObjectPath)
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{
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if (!m_networkDevices.keys().contains(deviceObjectPath)) {
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qWarning() << "Unknown network device removed:" << deviceObjectPath.path();
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return;
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}
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NetworkDevice *networkDevice = m_networkDevices.take(deviceObjectPath);
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if (m_wiredNetworkDevices.contains(deviceObjectPath)) {
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qDebug() << "[-]" << m_wiredNetworkDevices.value(deviceObjectPath);
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m_wiredNetworkDevices.remove(deviceObjectPath);
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emit wiredDeviceRemoved(networkDevice->interface());
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} else if (m_wirelessNetworkDevices.contains(deviceObjectPath)) {
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qDebug() << "[-]" << m_wirelessNetworkDevices.value(deviceObjectPath);
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m_wirelessNetworkDevices.remove(deviceObjectPath);
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if (!wirelessAvailable())
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emit wirelessAvailableChanged();
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emit wirelessDeviceRemoved(networkDevice->interface());
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} else {
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qDebug() << "[-]" << networkDevice;
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}
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networkDevice->deleteLater();
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}
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void NetworkManager::onPropertiesChanged(const QVariantMap &properties)
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{
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if (properties.contains("Version"))
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setVersion(properties.value("Version").toString());
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if (properties.contains("State"))
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setState((NetworkManagerState)properties.value("State").toUInt());
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if (properties.contains("Connectivity"))
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setConnectivityState(NetworkManagerConnectivityState(properties.value("Connectivity").toUInt()));
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if (properties.contains("NetworkingEnabled"))
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setNetworkingEnabled(properties.value("NetworkingEnabled").toBool());
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if (properties.contains("WirelessEnabled"))
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setWirelessEnabled(properties.value("WirelessEnabled").toBool());
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}
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void NetworkManager::onWirelessDeviceChanged()
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{
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WirelessNetworkDevice *networkDevice = static_cast<WirelessNetworkDevice *>(sender());
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emit wirelessDeviceChanged(networkDevice);
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}
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void NetworkManager::onWiredDeviceChanged()
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{
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WiredNetworkDevice *networkDevice = static_cast<WiredNetworkDevice *>(sender());
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emit wiredDeviceChanged(networkDevice);
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}
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