ping method

Future<void> ping()

Checks that the daemon answers (GET /_ping).

Implementation

Future<void> ping() async {
  final response = await _send('GET', '/_ping');
  final body = (await utf8.decodeStream(response)).trim();
  if (body != 'OK') {
    throw DockerUnavailableException(
      'The daemon at $endpoint answered "$body" to a ping, not "OK"',
    );
  }
}