networking: clean up refreshing (#21537)

selfdrive/ui/qt/offroad/wifiManager.cc

@@ -77,13 +77,33 @@ void WifiManager::refreshNetworks() {
   seen_networks.clear();
   seen_ssids.clear();
   ipv4_address = get_ipv4_address();
-  for (Network &network : get_networks()) {
-    if (seen_ssids.count(network.ssid)) {
+
+  QDBusInterface nm(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_DEVICE_WIRELESS, bus);
+  nm.setTimeout(DBUS_TIMEOUT);
+
+  const QDBusReply<QList<QDBusObjectPath>> &response = nm.call("GetAllAccessPoints");
+  for (const QDBusObjectPath &path : response.value()) {
+    QByteArray ssid = get_property(path.path(), "Ssid");
+    if (ssid.isEmpty() || seen_ssids.contains(ssid)) {
       continue;
     }
-    seen_ssids.push_back(network.ssid);
+    unsigned int strength = get_ap_strength(path.path());
+    SecurityType security = getSecurityType(path.path());
+    ConnectedType ctype;
+    if (path.path() != activeAp) {
+      ctype = ConnectedType::DISCONNECTED;
+    } else {
+      if (ssid == connecting_to_network) {
+        ctype = ConnectedType::CONNECTING;
+      } else {
+        ctype = ConnectedType::CONNECTED;
+      }
+    }
+    Network network = {path.path(), ssid, strength, ctype, security};
+    seen_ssids.push_back(ssid);
     seen_networks.push_back(network);
   }
+  std::sort(seen_networks.begin(), seen_networks.end(), compare_by_strength);
 }
 
 QString WifiManager::get_ipv4_address() {
@@ -120,45 +140,6 @@ QString WifiManager::get_ipv4_address() {
   return "";
 }
 
-QList<Network> WifiManager::get_networks() {
-  QList<Network> r;
-  QDBusInterface nm(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_DEVICE_WIRELESS, bus);
-  nm.setTimeout(DBUS_TIMEOUT);
-
-  QDBusMessage response = nm.call("GetAllAccessPoints");
-  QVariant first =  response.arguments().at(0);
-
-  const QDBusArgument &args = first.value<QDBusArgument>();
-  args.beginArray();
-  while (!args.atEnd()) {
-    QDBusObjectPath path;
-    args >> path;
-
-    QByteArray ssid = get_property(path.path(), "Ssid");
-    if (ssid.isEmpty()) {
-      continue;
-    }
-    unsigned int strength = get_ap_strength(path.path());
-    SecurityType security = getSecurityType(path.path());
-    ConnectedType ctype;
-    if (path.path() != activeAp) {
-      ctype = ConnectedType::DISCONNECTED;
-    } else {
-      if (ssid == connecting_to_network) {
-        ctype = ConnectedType::CONNECTING;
-      } else {
-        ctype = ConnectedType::CONNECTED;
-      }
-    }
-    Network network = {path.path(), ssid, strength, ctype, security};
-    r.push_back(network);
-  }
-  args.endArray();
-
-  std::sort(r.begin(), r.end(), compare_by_strength);
-  return r;
-}
-
 SecurityType WifiManager::getSecurityType(const QString &path) {
   int sflag = get_property(path, "Flags").toInt();
   int wpaflag = get_property(path, "WpaFlags").toInt();

selfdrive/ui/qt/offroad/wifiManager.h

@@ -67,7 +67,6 @@ private:
   QString getAdapter();
   bool isWirelessAdapter(const QDBusObjectPath &path);
   QString get_ipv4_address();
-  QList<Network> get_networks();
   void connect(const QByteArray &ssid, const QString &username, const QString &password, SecurityType security_type);
   QString activeAp;
   QString getActiveAp();