Add event filters to traffic dialogs and mirror city database in Gitea

traffic_city.go

@@ -101,9 +101,25 @@ func trafficCityRoutes(mux *http.ServeMux) {
 		writeJSON(w, status, nil)
 	})
 }
-func installTrafficCity() error { return installTrafficCityFrom(cityDownloadURL, cityDatabaseSHA1) }
+func cityMirrorURL() string {
+	base := strings.TrimRight(os.Getenv("GITEA_URL"), "/")
+	if base == "" {
+		base = "https://git.myown.center"
+	}
+	return base + "/maxim/ProxmoxDash/releases/download/v0.25.1/dbip-city-lite-2026-10.mmdb.gz"
+}
+func installTrafficCity() error {
+	if err := installTrafficCityFrom(cityMirrorURL(), cityDatabaseSHA1); err == nil {
+		return nil
+	}
+	return installTrafficCityFrom(cityDownloadURL, cityDatabaseSHA1)
+}
 func installTrafficCityFrom(source, expectedHash string) error {
-	client := &http.Client{Timeout: 15 * time.Minute}
+	transport := http.DefaultTransport.(*http.Transport).Clone()
+	transport.ResponseHeaderTimeout = 20 * time.Second
+	transport.DialContext = (&net.Dialer{Timeout: 10 * time.Second, KeepAlive: 30 * time.Second}).DialContext
+	defer transport.CloseIdleConnections()
+	client := &http.Client{Timeout: 15 * time.Minute, Transport: transport}
 	response, err := client.Get(source)
 	if err != nil {
 		return err