void PVMFLoopbackIOPort::Run()
{
//data should move through the ports only
//when the node is active or flushing
if (iNode->GetState() != EPVMFNodeStarted
&& !iNode->FlushPending())
return;
//Process incoming messages
if (!iWaiting
&& IncomingMsgQueueSize() > 0)
{
//dispatch the incoming data.
if (ProcessIncomingMsg() != PVMFSuccess)
iNode->ReportErrorEvent(PVMF_NODE_ERROR_EVENT_LAST, (OsclAny*)this);
//re-schedule if more data
if (!iWaiting
&& IncomingMsgQueueSize() > 0)
{
RunIfNotReady();
}
}
//Process outgoing messages
if (OutgoingMsgQueueSize() > 0
&& !IsConnectedPortBusy())
{
//Send data to connected port
PVMFStatus status = Send();
if (status != PVMFSuccess)
iNode->ReportErrorEvent(PVMF_NODE_ERROR_EVENT_LAST, (OsclAny*)this);
//Reschedule if there's more data to process...
if (OutgoingMsgQueueSize() > 0
&& !IsConnectedPortBusy())
{
RunIfNotReady();
}
}
}
HRESULT CMBCBaseObj::NetCall_Read(CMBCSocket* pMBCSock, WPARAM wParam, LPARAM lParam )
{
int nErr =WSAGETSELECTERROR(lParam);
if (nErr != S_OK)
{
ASSERT(FALSE);
return nErr;
}
int nEvent = WSAGETSELECTEVENT(lParam);
SOCKET socRecv = (SOCKET)wParam;
char szbuff[MAXRECVBUFF];
ZeroMemory(szbuff, MAXRECVBUFF);
DWORD dwFlag = 0;
int nHeadRead = recv(socRecv, szbuff, 5, 0);
BOOL bSafeEnd = TRUE;
while(nHeadRead == 5)
{
char* pBuff = szbuff;
if (*pBuff == MBCCHECKSUM)
{
pBuff++;
int nMsgLen = *((int*)pBuff);
ASSERT(nMsgLen > 5 && nMsgLen < MAXINT);
char* pRealUsedBuffer = szbuff;
char* pLargeBuff = NULL;
if (nMsgLen > MAXRECVBUFF)
{
//buffer not enough!
pLargeBuff = new char[nMsgLen];
pRealUsedBuffer = pLargeBuff;
memcpy(pLargeBuff, szbuff, 5);
pBuff = pLargeBuff;
pBuff ++;
}
pBuff += 4;
int nMsgRead = recv(socRecv, pBuff, nMsgLen-5, 0);
while(nMsgRead < nMsgLen -5)
{
int nTmpRead =recv(socRecv, pBuff, nMsgLen-5 - nMsgRead, 0);
if (nTmpRead == SOCKET_ERROR)
{
break;
}
else
{
nMsgRead += nTmpRead;
}
}
if (nMsgRead == nMsgLen-5)
{
int nMsgType = GetMBCMsgType(pRealUsedBuffer, nMsgLen);
if (nMsgType != msgtype_NONE)
{
ProcessIncomingMsg(pMBCSock, nMsgType, pRealUsedBuffer, nMsgLen);
//CFWriteLog2Wnd(m_hLogWnd, "msg ReadData, sock = %d, len = %d", (int)wParam, nMsgRead+5);
}
}
else
{
ASSERT(FALSE);
bSafeEnd = FALSE;
}
if (pLargeBuff)
{
delete[] pLargeBuff;
pLargeBuff = NULL;
}
if (!bSafeEnd)
{
break;
}
}
else
{
ASSERT(FALSE);
bSafeEnd = FALSE;
break;
}
nHeadRead = recv(socRecv, szbuff, 5, 0);
}
if (!bSafeEnd)
{
//clean all recvdata
ASSERT(FALSE);
int nRead = recv(socRecv, szbuff, MAXRECVBUFF, 0);
while(nRead != SOCKET_ERROR)
{
nRead = recv(socRecv, szbuff, MAXRECVBUFF, 0);
}
//CFWriteLog2Wnd(m_hLogWnd, "msg ReadData error, data in sock buffer will clear!!! sock = %d", (int)wParam);
return E_FAIL;
}
return S_OK;
}
