WiFI UI show IP (#2735)

WiFi widget now shows the IP of currently connected network. 
old-commit-hash: c16c8f3c2c

selfdrive/ui/qt/offroad/wifi.cc

@@ -43,8 +43,12 @@ WifiUI::WifiUI(QWidget *parent, int page_length) : QWidget(parent), networks_per
   wifi_widget = new QWidget;
   QVBoxLayout* networkLayout = new QVBoxLayout;
   QHBoxLayout *tethering_field = new QHBoxLayout;
-  tethering_field->addWidget(new QLabel("Enable Tethering"));
+  tethering_field->addSpacing(50);
 
+  ipv4 = new QLabel("");
+  tethering_field->addWidget(ipv4);
+  tethering_field->addWidget(new QLabel("Enable Tethering"));
+  
   Toggle* toggle_switch = new Toggle(this);
   toggle_switch->setFixedSize(150, 100);
   tethering_field->addWidget(toggle_switch);
@@ -58,7 +62,6 @@ WifiUI::WifiUI(QWidget *parent, int page_length) : QWidget(parent), networks_per
   tetheringWidget->setFixedHeight(150);
   networkLayout->addWidget(tetheringWidget);
 
-
   vlayout = new QVBoxLayout;
   wifi_widget->setLayout(vlayout);
   networkLayout->addWidget(wifi_widget);
@@ -99,7 +102,7 @@ void WifiUI::refresh() {
 
   wifi->request_scan();
   wifi->refreshNetworks();
-
+  ipv4->setText(wifi->ipv4_address);
   clearLayout(vlayout);
 
   connectButtons = new QButtonGroup(this);

selfdrive/ui/qt/offroad/wifi.hpp

@@ -18,7 +18,7 @@ public:
   explicit WifiUI(QWidget *parent = 0, int page_length = 5);
 
 private:
-  WifiManager* wifi = nullptr;
+  WifiManager *wifi = nullptr;
   const int networks_per_page;
 
   QStackedWidget *swidget;
@@ -31,6 +31,7 @@ private:
   QString text;
   QButtonGroup *connectButtons;
   bool tetheringEnabled;
+  QLabel *ipv4;
 
   void connectToNetwork(Network n);
   QString getStringFromUser();

selfdrive/ui/qt/offroad/wifiManager.cc

@@ -32,6 +32,7 @@ QString device_iface           = "org.freedesktop.NetworkManager.Device";
 QString wireless_device_iface  = "org.freedesktop.NetworkManager.Device.Wireless";
 QString ap_iface               = "org.freedesktop.NetworkManager.AccessPoint";
 QString connection_iface       = "org.freedesktop.NetworkManager.Connection.Active";
+QString ipv4config_iface       = "org.freedesktop.NetworkManager.IP4Config";
 
 QString nm_service             = "org.freedesktop.NetworkManager";
 
@@ -87,7 +88,7 @@ void WifiManager::refreshNetworks() {
   bus = QDBusConnection::systemBus();
   seen_networks.clear();
   seen_ssids.clear();
-
+  ipv4_address = get_ipv4_address();
   for (Network &network : get_networks()) {
     if (seen_ssids.count(network.ssid)) {
       continue;
@@ -97,6 +98,32 @@ void WifiManager::refreshNetworks() {
   }
 }
 
+QString WifiManager::get_ipv4_address(){
+  if (raw_adapter_state != state_connected){
+    return "";
+  }
+  QVector<QDBusObjectPath> conns = get_active_connections();
+  for (auto p : conns){
+    QString active_connection = p.path();
+    QDBusInterface nm(nm_service, active_connection, props_iface, bus);
+    QDBusObjectPath pth = get_response<QDBusObjectPath>(nm.call("Get", connection_iface, "Ip4Config"));
+    QString ip4config = pth.path();
+
+    QDBusInterface nm2(nm_service, ip4config, props_iface, bus);
+    const QDBusArgument &arr = get_response<QDBusArgument>(nm2.call("Get", ipv4config_iface, "AddressData"));
+    QMap<QString, QVariant> pth2;
+    arr.beginArray();
+    while (!arr.atEnd()){
+      arr >> pth2;
+      QString ipv4 = pth2.value("address").value<QString>();
+      arr.endArray();
+      return ipv4;
+    }
+    arr.endArray();
+  }
+  return "";
+}
+
 QList<Network> WifiManager::get_networks() {
   QList<Network> r;
   QDBusInterface nm(nm_service, adapter, wireless_device_iface, bus);
@@ -207,7 +234,7 @@ void WifiManager::deactivate_connections(QString ssid) {
 QVector<QDBusObjectPath> WifiManager::get_active_connections() {
   QDBusInterface nm(nm_service, nm_path, props_iface, bus);
   QDBusMessage response = nm.call("Get", nm_iface, "ActiveConnections");
-  QDBusArgument arr = get_response<QDBusArgument>(response);
+  const QDBusArgument &arr = get_response<QDBusArgument>(response);
   QVector<QDBusObjectPath> conns;
 
   QDBusObjectPath path;
@@ -216,6 +243,7 @@ QVector<QDBusObjectPath> WifiManager::get_active_connections() {
     arr >> path;
     conns.push_back(path);
   }
+  arr.endArray();
   return conns;
 }
 
@@ -346,10 +374,10 @@ void WifiManager::enableTethering() {
   connection["802-11-wireless-security"]["psk"] = "swagswagcomma";
 
   connection["ipv4"]["method"] = "shared";
-  QMap<QString,QVariant> adress1;
-  adress1["address"] = "192.168.43.1";
-  adress1["prefix"] = 24u;
-  connection["ipv4"]["address-data"] = QVariant::fromValue(IpConfig() << adress1);
+  QMap<QString,QVariant> address;
+  address["address"] = "192.168.43.1";
+  address["prefix"] = 24u;
+  connection["ipv4"]["address-data"] = QVariant::fromValue(IpConfig() << address);
   connection["ipv4"]["gateway"] = "192.168.43.1";
   connection["ipv6"]["method"] = "ignore";
 

selfdrive/ui/qt/offroad/wifiManager.hpp

@@ -32,6 +32,7 @@ public:
 
   void request_scan();
   QVector<Network> seen_networks;
+  QString ipv4_address;
 
   void refreshNetworks();
   void connect(Network ssid);
@@ -52,6 +53,7 @@ private:
   QString tethering_ssid;
 
   QString get_adapter();
+  QString get_ipv4_address();
   QList<Network> get_networks();
   void connect(QByteArray ssid, QString username, QString password, SecurityType security_type);
   QString get_active_ap();