/**
* \return TRUE if client removed else FALSE
*
* Removes the client with client id dwClientId.
*/
static BOOL bRemoveClient(DWORD dwClientId)
{
INT i;
BOOL bResult = FALSE;
bResult = FALSE;
if (sg_unClientCnt > 0)
{
UINT unClientIndex = 0;
if (bGetClientObj(dwClientId, unClientIndex))
{
sg_asClientToBufMap[unClientIndex].m_dwClientID = 0;
memset (sg_asClientToBufMap[unClientIndex].m_acClientName, 0, sizeof (char) * MAX_PATH);
for (i = 0; i < MAX_BUFF_ALLOWED; i++)
{
sg_asClientToBufMap[unClientIndex].m_pClientBuf[i] = NULL;
}
sg_asClientToBufMap[unClientIndex].m_unBufCount = 0;
if ((unClientIndex + 1) < sg_unClientCnt)
{
sg_asClientToBufMap[unClientIndex] = sg_asClientToBufMap[sg_unClientCnt - 1];
}
sg_unClientCnt--;
bResult = TRUE;
}
}
return(bResult);
}
/**
* \return S_OK for success, S_FALSE for failure
*
* Registers the buffer pBufObj to the client ClientID
*/
HRESULT CDIL_CAN_MHS::CAN_ManageMsgBuf(BYTE bAction, DWORD ClientID, CBaseCANBufFSE* pBufObj)
{
HRESULT hResult = S_FALSE;
UINT unClientIndex;
UINT i;
if (ClientID != 0)
{
if (bGetClientObj(ClientID, unClientIndex))
{
SCLIENTBUFMAP &sClientObj = sg_asClientToBufMap[unClientIndex];
if (bAction == MSGBUF_ADD)
{ // **** Add msg buffer
if (pBufObj)
{
if (sClientObj.m_unBufCount < MAX_BUFF_ALLOWED)
{
if (bIsBufferExists(sClientObj, pBufObj) == FALSE)
{
sClientObj.m_pClientBuf[sClientObj.m_unBufCount++] = pBufObj;
hResult = S_OK;
}
else
hResult = ERR_BUFFER_EXISTS;
}
}
}
else if (bAction == MSGBUF_CLEAR)
{ // **** Clear msg buffer
if (pBufObj != NULL) //REmove only buffer mentioned
bRemoveClientBuffer(sClientObj.m_pClientBuf, sClientObj.m_unBufCount, pBufObj);
else // Remove all
{
for (i = 0; i < sClientObj.m_unBufCount; i++)
sClientObj.m_pClientBuf[i] = NULL;
sClientObj.m_unBufCount = 0;
}
hResult = S_OK;
}
////else
//// ASSERT(FALSE);
}
else
hResult = ERR_NO_CLIENT_EXIST;
}
else
{
if (bAction == MSGBUF_CLEAR)
{ // **** clear msg buffer
for (UINT i = 0; i < sg_unClientCnt; i++)
CAN_ManageMsgBuf(MSGBUF_CLEAR, sg_asClientToBufMap[i].m_dwClientID, NULL);
}
hResult = S_OK;
}
return(hResult);
}
/**
* \brief This function will remove the existing client ID
* \param[in] dwClientId, client ID to be removed
* \return Returns TRUE if client ID removal is success, else FALSE
* \authors Arunkumar Karri
* \date 07.10.2011 Created
*/
static BOOL bRemoveClient(DWORD dwClientId)
{
BOOL bResult = FALSE;
if (sg_unClientCnt > 0)
{
UINT unClientIndex = (UINT)-1;
if (bGetClientObj(dwClientId, unClientIndex))
{
/* clear the client first */
if (sg_asClientToBufMap[unClientIndex].hClientHandle != 0)
{
HRESULT hResult = S_OK;//(*pfCAN_RemoveClient)(sg_asClientToBufMap[unClientIndex].hClientHandle);
if (hResult == S_OK)
{
sg_asClientToBufMap[unClientIndex].dwClientID = 0;
sg_asClientToBufMap[unClientIndex].hClientHandle = 0;
memset (sg_asClientToBufMap[unClientIndex].pacClientName, 0, sizeof (char) * MAX_PATH);
for (int i = 0; i < MAX_BUFF_ALLOWED; i++)
{
sg_asClientToBufMap[unClientIndex].pClientBuf[i] = nullptr;
}
sg_asClientToBufMap[unClientIndex].unBufCount = 0;
bResult = TRUE;
}
else
{
vRetrieveAndLog(hResult, __FILE__, __LINE__);
}
}
else
{
sg_asClientToBufMap[unClientIndex].dwClientID = 0;
memset (sg_asClientToBufMap[unClientIndex].pacClientName, 0, sizeof (char) * MAX_PATH);
for (int i = 0; i < MAX_BUFF_ALLOWED; i++)
{
sg_asClientToBufMap[unClientIndex].pClientBuf[i] = nullptr;
}
sg_asClientToBufMap[unClientIndex].unBufCount = 0;
bResult = TRUE;
}
if (bResult == TRUE)
{
if ((unClientIndex + 1) < sg_unClientCnt)
{
sg_asClientToBufMap[unClientIndex] = sg_asClientToBufMap[sg_unClientCnt - 1];
}
sg_unClientCnt--;
}
}
}
return bResult;
}
/**
* This function writes the message to the corresponding clients buffer
*/
static void vWriteIntoClientsBuffer(STCANDATA& can_data)
{
UINT ClientId, i, j;
BOOL bClientExists;
static SACK_MAP sAckMap;
static UINT Index = (UINT)-1;
static STCANDATA sTempCanData;
// Write into the client's buffer and Increment message Count
if (can_data.m_ucDataType == TX_FLAG)
{
ClientId = 0;
sAckMap.m_Channel = can_data.m_uDataInfo.m_sCANMsg.m_ucChannel;
sAckMap.m_MsgID = can_data.m_uDataInfo.m_sCANMsg.m_unMsgID;
if (bRemoveMapEntry(sAckMap, ClientId))
{
bClientExists = bGetClientObj(ClientId, Index);
for (i = 0; i < sg_unClientCnt; i++)
{
//Tx for sender node
if (/*(i == CAN_MONITOR_NODE_INDEX) ||*/ (bClientExists && (i == Index)))
{
for (j = 0; j < sg_asClientToBufMap[i].m_unBufCount; j++)
{
sg_asClientToBufMap[i].m_pClientBuf[j]->WriteIntoBuffer(&can_data);
}
}
else
{
//Send the other nodes as Rx.
for (UINT j = 0; j < sg_asClientToBufMap[i].m_unBufCount; j++)
{
sTempCanData = can_data;
sTempCanData.m_ucDataType = RX_FLAG;
sg_asClientToBufMap[i].m_pClientBuf[j]->WriteIntoBuffer(&sTempCanData);
}
}
}
}
}
else // provide it to everybody
{
for (i = 0; i < sg_unClientCnt; i++)
{
for (j = 0; j < sg_asClientToBufMap[i].m_unBufCount; j++)
{
sg_asClientToBufMap[i].m_pClientBuf[j]->WriteIntoBuffer(&can_data);
}
}
}
}
static BOOL bRemoveClient(DWORD dwClientId)
{
BOOL bResult = FALSE;
if (sg_unClientCnt > 0)
{
UINT unClientIndex = (UINT)-1;
if (bGetClientObj(dwClientId, unClientIndex))
{
//clear the client first
sg_ushTempClientID = (SHORT)sg_asClientToBufMap[unClientIndex].dwClientID;
sg_hTmpClientHandle = sg_asClientToBufMap[unClientIndex].hClientHandle;
sg_hTmpPipeHandle = sg_asClientToBufMap[unClientIndex].hPipeFileHandle;
HRESULT hResult = PerformAnOperation(UNREGISTER);
if (hResult == S_OK)
{
sg_asClientToBufMap[unClientIndex].dwClientID = 0;
sg_asClientToBufMap[unClientIndex].hClientHandle = NULL;
sg_asClientToBufMap[unClientIndex].hPipeFileHandle = NULL;
memset (sg_asClientToBufMap[unClientIndex].pacClientName, 0, sizeof (TCHAR) * MAX_PATH);
for (int i = 0; i < MAX_BUFF_ALLOWED; i++)
{
sg_asClientToBufMap[unClientIndex].pClientBuf[i] = NULL;
}
sg_asClientToBufMap[unClientIndex].unBufCount = 0;
bResult = TRUE;
}
else
{
sg_pIlog->vLogAMessage(__FILE__, __LINE__, _T("Unregister failed"));
}
if (bResult == TRUE)
{
if ((unClientIndex + 1) < sg_unClientCnt)
{
sg_asClientToBufMap[unClientIndex] = sg_asClientToBufMap[sg_unClientCnt - 1];
}
sg_unClientCnt--;
}
}
}
return bResult;
}
/**
* \brief Registers the buffer pBufObj to the client ClientID
* \param[in] bAction, contains one of the values MSGBUF_ADD or MSGBUF_CLEAR
* \param[in] ClientID, is the client ID
* \param[in] pBufObj, is pointer to CBaseCANBufFSE object
* \return S_OK for success, S_FALSE for failure
* \authors Arunkumar Karri
* \date 07.10.2011 Created
*/
HRESULT CDIL_ISOLAR_EVE_VCAN::CAN_ManageMsgBuf(BYTE bAction, DWORD ClientID, CBaseCANBufFSE* pBufObj)
{
HRESULT hResult = S_FALSE;
if (ClientID != 0)
{
UINT unClientIndex;
if (bGetClientObj(ClientID, unClientIndex))
{
SCLIENTBUFMAP& sClientObj = sg_asClientToBufMap[unClientIndex];
if (bAction == MSGBUF_ADD)
{
/* Add msg buffer */
if (pBufObj != nullptr)
{
if (sClientObj.unBufCount < MAX_BUFF_ALLOWED)
{
if (bIsBufferExists(sClientObj, pBufObj) == FALSE)
{
sClientObj.pClientBuf[sClientObj.unBufCount++] = pBufObj;
hResult = S_OK;
}
else
{
hResult = ERR_BUFFER_EXISTS;
}
}
}
}
else if (bAction == MSGBUF_CLEAR)
{
/* clear msg buffer */
if (pBufObj != nullptr)
{
/* Remove only buffer mentioned */
bRemoveClientBuffer(sClientObj.pClientBuf, sClientObj.unBufCount, pBufObj);
}
else
{
/* Remove all */
for (UINT i = 0; i < sClientObj.unBufCount; i++)
{
sClientObj.pClientBuf[i] = nullptr;
}
sClientObj.unBufCount = 0;
}
hResult = S_OK;
}
}
else
{
hResult = ERR_NO_CLIENT_EXIST;
}
}
else
{
if (bAction == MSGBUF_CLEAR)
{
/* clear msg buffer */
for (UINT i = 0; i < sg_unClientCnt; i++)
{
CAN_ManageMsgBuf(MSGBUF_CLEAR, sg_asClientToBufMap[i].dwClientID, nullptr);
}
hResult = S_OK;
}
}
return hResult;
}