disconnect method

void disconnect()

关闭socket连接，在停止使用时，需调用该方法。

Implementation

void disconnect() {
  // _networkMonitor.stopNetworkMonitoring();
  _stopTimer();

  if (_websocket != null) {
    _websocket?.sink.close();
    _websocket = null;
  }

  isConnected = false;
  _isConnecting = false;
  _pendingPayloads.clear();
  msgList.clear();
  payloadId = Int64.ZERO;
  sendingMsg = null;
  print("ChatLib: 已断开并清理资源");
}