disconnect method

@override Future<void> disconnect()

Disconnect the client from the server

Implementation

@override
Future<void> disconnect() async {
  _wantsConnection = false;
  _connectGeneration++;
  _stopPingTimer();

  if (_transport == null) {
    // No transport was ever opened, but a failed first connect can have
    // left the status on reconnecting.
    updateConnectionStatus(ConnectionStatus.disconnected);
    return;
  }

  await tryCatchIgnore(() async {
    await _transport!.close();
  });
  _transport = null;
  _sessionId = null;
  _lastPongAt = null;
  _outboundQueue?.close();
  _outboundQueue = null;

  for (final plugin in plugins) {
    plugin.onDisconnected();
  }

  updateConnectionStatus(ConnectionStatus.disconnected);
}