getLength method

Future<int> getLength()

Returns the length of the file in bytes

Implementation

Future<int> getLength(
) async {
  final request = RequestFileGetLength(
    file: handle,
  );
  final response = await client.invoke(request);
  switch (response) {
    case ResponseU64(value: final value): return value;
    default: throw UnexpectedResponse();
  }
}