onRequest method

@override void onRequest(RequestOptions options, RequestInterceptorHandler handler)

Called when the request is about to be sent.

Implementation

@override
void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
  if (!iadEnabled) {
    handler.next(options);
    return;
  }
  options.extra['iad_id'] = _id++;
  handler.next(options);
  if (_requests.length >= maxRequests) {
    _requests.remove(_requests.lastKey());
  }
  _requests[options.extra['iad_id'] as int] = (
    _Request(
      uri: options.uri,
      method: options.method,
      headers: options.headers,
      data: options.data,
      timestamp: DateTime.timestamp(),
    ),
    null
  );
  notifyListeners();
}