fix.

lib/src/core/room.dart

@@ -219,6 +219,7 @@ class Room extends DisposableChangeNotifier with EventsEmittable<RoomEvent> {
       // on subsequent runs
       try {
         await _regionUrlProvider?.fetchRegionSettings();
+        _regionUrl = await _regionUrlProvider!.getNextBestRegionUrl();
       } catch (e) {
         logger.warning('could not fetch region settings $e');
       }

lib/src/support/region_url_provider.dart

@@ -1,8 +1,10 @@
-import 'dart:convert';
+import 'dart:convert' show json;
 
+import 'package:fixnum/fixnum.dart';
 import 'package:http/http.dart' as http;
 
-import 'package:livekit_client/livekit_client.dart';
+import '../exceptions.dart';
+import '../logger.dart';
 import '../proto/livekit_rtc.pb.dart' as lk_models;
 
 class RegionUrlProvider {
@@ -61,13 +63,24 @@ class RegionUrlProvider {
 
   /* @internal */
   Future<lk_models.RegionSettings> fetchRegionSettings() async {
-    http.Response regionSettingsResponse = await http
-        .get(Uri.parse('${getCloudConfigUrl(serverUrl)}/regions'), headers: {
+    var url = '${getCloudConfigUrl(serverUrl)}/regions';
+    http.Response regionSettingsResponse =
+        await http.get(Uri.parse(url), headers: {
       'authorization': 'Bearer $token',
     });
     if (regionSettingsResponse.statusCode == 200) {
-      final regionSettings = lk_models.RegionSettings.fromJson(
-          jsonDecode(regionSettingsResponse.body));
+      var str = regionSettingsResponse.body;
+      print('Success: $str');
+      var mapData = json.decode(str);
+      var regions = (mapData['regions'] as List<dynamic>)
+          .map((region) => lk_models.RegionInfo(
+              distance: Int64(int.parse(region['distance'])),
+              region: region['region'],
+              url: region['url']))
+          .toList();
+      var regionSettings = lk_models.RegionSettings(
+        regions: regions,
+      );
       lastUpdateAt = DateTime.now().microsecondsSinceEpoch;
       return regionSettings;
     } else {
@@ -86,7 +99,7 @@ class RegionUrlProvider {
   }
 
   String getCloudConfigUrl(Uri serverUrl) {
-    return '${serverUrl.scheme.replaceAll('ws', 'http')}//${serverUrl.host}/settings';
+    return '${serverUrl.scheme.replaceAll('ws', 'http')}://${serverUrl.host}/settings';
   }
 }
 

lib/src/support/websocket.dart

@@ -16,17 +16,9 @@ import '../support/disposable.dart';
 import 'websocket/io.dart' if (dart.library.html) 'websocket/web.dart';
 
 class WebSocketException implements Exception {
-  final int code;
-  const WebSocketException._(this.code);
-
-  static WebSocketException unknown() => const WebSocketException._(0);
-  static WebSocketException connect() => const WebSocketException._(1);
-
-  @override
-  String toString() => {
-        WebSocketException.unknown(): 'Unknown error',
-        WebSocketException.connect(): 'Failed to connect',
-      }[this]!;
+  final String message;
+  final dynamic error;
+  const WebSocketException(this.message, [this.error]);
 }
 
 typedef WebSocketOnData = Function(dynamic data);

lib/src/support/websocket/io.dart

@@ -78,9 +78,9 @@ class LiveKitWebSocketIO extends LiveKitWebSocket {
       final ws = await io.WebSocket.connect(uri.toString());
       logger.fine('[WebSocketIO] Connected');
       return LiveKitWebSocketIO._(ws, options);
-    } catch (_) {
-      logger.severe('[WebSocketIO] did throw ${_}');
-      throw WebSocketException.connect();
+    } catch (err) {
+      logger.severe('[WebSocketIO] did throw $err');
+      throw WebSocketException('Failed to connect', err);
     }
   }
 }

lib/src/support/websocket/web.dart

@@ -74,8 +74,8 @@ class LiveKitWebSocketWeb extends LiveKitWebSocket {
     final ws = web.WebSocket(uri.toString());
     ws.onOpen
         .listen((_) => completer.complete(LiveKitWebSocketWeb._(ws, options)));
-    ws.onError
-        .listen((_) => completer.completeError(WebSocketException.connect()));
+    ws.onError.listen((e) =>
+        completer.completeError(WebSocketException('Failed to connect', e)));
     return completer.future;
   }
 }