method ackReceived

Source

void ackReceived(int receiveAckId, int startTime, int currentTime) {
  if (receiveAckId == _lastWaitingAckId) {
    _waitingAckCount = 0;
  } else {
    _waitingAckCount--;
  }
  subscriptions.forEach((String path, RespSubscribeController controller) {
    if (controller._qosLevel > 0) {
      controller.onAck(receiveAckId);
    }
  });
  if (_sendingAfterAck) {
    _sendingAfterAck = false;
    prepareSending();
  }
}