BACnet.Core.App.Transactions.ClientTransaction.OnComplexAck C# (CSharp) Метод

        public void OnComplexAck(ComplexAckMessage message, BufferSegment segment)
        {
            lock(_lock)
            {
                bool dispose = false;

                if (_state == ClientState.AwaitConfirmation)
                {
                    if(!message.Segmented)
                    {
                        _handle.FeedComplexAck(message, segment);
                        dispose = true;
                    }
                    else if(message.SequenceNumber == 0)
                    {
                        _sequenceNumber = 1;
                        _windowSize = message.ProposedWindowSize;
                        _sendSegmentAck();
                        _handle.FeedComplexAck(message, segment);
                        _transitionTo(ClientState.SegmentedConfirmation);
                    }
                    else
                    {
                        _sendAbort(AbortReason.InvalidApduInThisState);
                        _handle.FeedAbort(AbortReason.InvalidApduInThisState);
                        dispose = true;
                    }
                }
                else if(_state == ClientState.SegmentedConfirmation)
                {
                    int sequenceNumber;

                    if ((sequenceNumber = _inWindow(message.SequenceNumber)) != -1
                        && sequenceNumber == _sequenceNumber)
                    {
                        _handle.FeedComplexAck(message, segment);
                        _windowSize = message.ProposedWindowSize;
                        _sequenceNumber++;

                        dispose = !message.MoreFollows;
                        if (dispose || _sequenceNumber == _windowStart + _windowSize)
                            _sendSegmentAck();
                        else if (!dispose)
                            _transitionTo(ClientState.SegmentedConfirmation);
                    }
                    else
                    {
                        _sendSegmentAck(nack:true);
                        _transitionTo(ClientState.SegmentedConfirmation);
                    }
                }

                if(dispose)
                    _transitionTo(ClientState.Disposed);
            }
        }