defaultRetryEvaluator method

FutureOr<bool> defaultRetryEvaluator(DioException error, int attempt)

Returns true only if the response hasn't been cancelled or got a bas status code.

Implementation

// ignore: avoid-unused-parameters
FutureOr<bool> defaultRetryEvaluator(
  DioException error,
  int attempt,
) async {
  bool shouldRetry;
  if (error.type == DioExceptionType.badResponse) {
    final statusCode = error.response?.statusCode;
    shouldRetry = statusCode != null && needRetry(statusCode);
  } else if (error.type == DioExceptionType.unknown) {
    try {
      final result = await InternetAddress.lookup('baidu.com');
      if (result.isNotEmpty && result[0].rawAddress.isNotEmpty) {
        shouldRetry = true;
      } else {
        shouldRetry = true;
      }
    } on SocketException catch (_) {
      await toNoInternetPageNavigator?.call();
      shouldRetry = true;
    }
  } else if (error.type == DioExceptionType.connectionError) {
    await toNoInternetPageNavigator?.call();
    shouldRetry = true;
  } else {
    shouldRetry = error.type != DioExceptionType.cancel;
  }
  return shouldRetry;
}