bool Connections::IsValidPacket(void* PacketHeader, WORD PacketLength)
{
if (GetHeaderSize() > PacketLength)
{
return false;
}
Packet packet;
packet.AttachData((BYTE*)PacketHeader, PacketLength);
return packet.IsValidPacket();
}
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;
}