C++ (Cpp) HasValidSequence Beispiele

Beispiel #1

Datei: Connections.cpp Projekt: ChowZenki/dboserver

int Connections::CompleteRecv(DWORD TransferedBytes)
{
    FUNCTION_BEGIN();

    if (0 == TransferedBytes)
    {
        return 1;
    }

    IncreaseBytesRecv(TransferedBytes);

    if (false == _recvBuffer.IncreasePushPos(TransferedBytes))
    {
        Logger::Log("Session[%X] Recv Buffer OverFlow : BufferCur[%d] BufferMax[%d] TransferedBytes[%u]\n", this, _recvBuffer.GetCurSize(), _recvBuffer.GetQueueSize(), TransferedBytes);
        return 2;
    }

    int rc = 0;
    WORD PacketLength = 0;

    Packet packet;
    do
    {
        rc = MakeSureCompletedPacket(&_recvBuffer, &PacketLength, _PacketEncoder);
        if (0 != rc)
        {
            if (2 == rc || 4 == rc)
            {
                break;
            }

            Logger::Log("Session[%X] MakeSureCompletedPacket Error[%d]\n", this, rc);
            return rc;
        }

        if (true != IsValidPacket(_recvBuffer.GetQueueWorkPtr(), PacketLength))
        {
            Logger::Log("true != IsValidPacket()\n");
        }

        packet.AttachData(_recvBuffer.GetQueueWorkPtr(), PacketLength);

        _recvBuffer.IncreaseWorkPos(packet.GetUsedSize());

        if (_PacketEncoder)
        {
            rc = _PacketEncoder->RxDecrypt(packet);
            if (0 != rc)
            {
                Logger::Log("Session[%X] RxDecrypt Error[%d]\n", this, rc);
                return rc;
            }
        }

        BYTE ValidSequence = (BYTE)(_PacketRecvCount & PACKET_MAX_SEQUENCE);
        if (false == HasValidSequence(packet.GetPacketHeader(), ValidSequence))
        {
            Logger::Log("Session[%X] Sequence Error[%d] PacketSEQ[%u] CurrentSEQ[%u]\n", this, rc, GetSequence(_recvBuffer.GetQueueWorkPtr()), ValidSequence);
            return 3; //ERR_NET_PACKET_SEQUENCE_FAIL
        }

        IncreasePacketRecv();

        _NetworkRef->PostNetEventMessage((WPARAM)NETEVENT_RECV, (LPARAM)this);


    } while (0 == rc);

    rc = PostRecv();
    if (0 != rc)
    {
        return rc;
    }

    return 0;
}

Beispiel #2

Datei: NtlConnection.cpp Projekt: JunRyuu/AKCore

//-----------------------------------------------------------------------------------
//		Purpose	:
//		Return	:
//-----------------------------------------------------------------------------------
// Called by Worker TH ( IOCP )
//-----------------------------------------------------------------------------------
int CNtlConnection::CompleteRecv(DWORD dwTransferedBytes)
{
	FUNCTION_BEGIN();


	// Remote close
	if( 0 == dwTransferedBytes )
	{
		return NTL_ERR_NET_SESSION_CLOSED;
	}


	IncreaseBytesRecv( dwTransferedBytes );


	if( false == m_recvBuffer.IncreasePushPos( dwTransferedBytes ) ) //-> µ¿±âÈ­ÇÊ¿ä
	{
		NTL_LOGDL( LOG_NETWORK, "Session[%X] Recv Buffer OverFlow : BufferCur[%d] BufferMax[%d] TransferedBytes[%u]", this, m_recvBuffer.GetCurSize(), m_recvBuffer.GetQueueSize(), dwTransferedBytes );
		return NTL_ERR_NET_SESSION_RECV_BUFFER_OVERFLOW;
	}

	int rc = NTL_SUCCESS;
	WORD wPacketLength = 0;

#if 0
	while( MakeSureCompletedPacket( &m_recvBuffer, &wPacketLength, m_pPacketEncoder ) )
	{
		if( true != IsValidPacket( m_recvBuffer.GetQueueWorkPtr(), wPacketLength ) )
		{
			NTL_LOG_ASSERT("true != IsValidPacket()");
		}

		CNtlPacket packet;

		packet.Attach( m_recvBuffer.GetQueueWorkPtr(), wPacketLength );

		m_recvBuffer.IncreaseWorkPos( packet.GetUsedSize() );

		if( m_pPacketEncoder )
		{
			rc = m_pPacketEncoder->RxDecrypt( packet );
			if( NTL_SUCCESS != rc )
			{
				return rc;
			}
		}

		//  [9/10/2007 zeroera] : ¼³¸í : sequence°ªÀº 0 ~ 255
		BYTE byValidSequence = (BYTE) ( m_dwPacketRecvCount & PACKET_MAX_SEQUENCE );
		if( false == HasValidSequence( packet.GetPacketHeader(), byValidSequence ) )
		{
			return NTL_ERR_NET_PACKET_SEQUENCE_FAIL;
		}


		IncreasePacketRecv();

		//NTL_PRINT(PRINT_SYSTEM, "Session[%X]\tCompleteRecv Complete recvBufferSize[%d], TotalRecvBytes[%u]", this, m_recvBuffer.GetCurSize(), m_dwTotalRecvSize );

		m_pNetworkRef->PostNetEventMessage( (WPARAM)NETEVENT_RECV, (LPARAM)this );	
	}
	
#else

	CNtlPacket packet;
	do 
	{
		rc = MakeSureCompletedPacket( &m_recvBuffer, &wPacketLength, m_pPacketEncoder );
		if( NTL_SUCCESS != rc )
		{
			if( NTL_ERR_NET_PACKET_PENDING_HEADER == rc || NTL_ERR_NET_PACKET_PENDING_DATA == rc )
			{
				break;
			}
			
			NTL_LOGDL( LOG_NETWORK, "Session[%X] MakeSureCompletedPacket Error[%d:%s]", this, rc, NtlGetErrorMessage(rc) );
			return rc;
		}

		if( true != IsValidPacket( m_recvBuffer.GetQueueWorkPtr(), wPacketLength ) )
		{
			NTL_LOG_ASSERT("true != IsValidPacket()");
		}

		packet.AttachData( m_recvBuffer.GetQueueWorkPtr(), wPacketLength );

		m_recvBuffer.IncreaseWorkPos( packet.GetUsedSize() );

		#if __SGPRO_BOTSYSTEM_SENDANDRECVTESTCODE__
		#else
			if( m_pPacketEncoder )
			{
				rc = m_pPacketEncoder->RxDecrypt( packet );
				if( NTL_SUCCESS != rc )
				{
					NTL_LOGDL( LOG_NETWORK, "Session[%X] RxDecrypt Error[%d:%s]", this, rc, NtlGetErrorMessage(rc) );
					return rc;
				}
			}
		#endif

		//  [9/10/2007 zeroera] : ¼³¸í : sequence°ªÀº 0 ~ 255
		BYTE byValidSequence = (BYTE) ( m_dwPacketRecvCount & PACKET_MAX_SEQUENCE );
		if( false == HasValidSequence( packet.GetPacketHeader(), byValidSequence ) )
		{
			NTL_LOGDL( LOG_NETWORK, "Session[%X] Sequence Error[%d:%s] PacketSEQ[%u] CurrentSEQ[%u]", this, rc, NtlGetErrorMessage(rc), GetSequence( m_recvBuffer.GetQueueWorkPtr() ), byValidSequence );
			return NTL_ERR_NET_PACKET_SEQUENCE_FAIL;
		}


		IncreasePacketRecv();

		//NTL_PRINT(PRINT_SYSTEM, "Session[%X]\tCompleteRecv Complete recvBufferSize[%d], TotalRecvBytes[%u]", this, m_recvBuffer.GetCurSize(), m_dwTotalRecvSize );

		m_pNetworkRef->PostNetEventMessage( (WPARAM)NETEVENT_RECV, (LPARAM)this );	


	} while( NTL_SUCCESS == rc );

#endif


	rc = PostRecv();
	if( NTL_SUCCESS != rc )
	{
		return rc;
	}

	return NTL_SUCCESS;
}