/**
* \return S_OK for success, S_FALSE for failure
*
* Registers a client to the DIL. ClientID will have client id
* which will be used for further client related calls
*/
HRESULT CDIL_CAN_MHS::CAN_RegisterClient(BOOL bRegister, DWORD& ClientID, char* pacClientName)
{
HRESULT hResult = S_FALSE;
INT Index;
if (bRegister)
{
if (sg_unClientCnt < MAX_CLIENT_ALLOWED)
{
Index = 0;
if (!bClientExist(pacClientName, Index))
{
//Currently store the client information
if (_tcscmp(pacClientName, CAN_MONITOR_NODE) == 0)
{
//First slot is reserved to monitor node
ClientID = 1;
_tcscpy(sg_asClientToBufMap[0].m_acClientName, pacClientName);
sg_asClientToBufMap[0].m_dwClientID = ClientID;
sg_asClientToBufMap[0].m_unBufCount = 0;
}
else
{
if (!bClientExist(CAN_MONITOR_NODE, Index))
Index = sg_unClientCnt + 1;
else
Index = sg_unClientCnt;
ClientID = dwGetAvailableClientSlot();
_tcscpy(sg_asClientToBufMap[Index].m_acClientName, pacClientName);
sg_asClientToBufMap[Index].m_dwClientID = ClientID;
sg_asClientToBufMap[Index].m_unBufCount = 0;
}
sg_unClientCnt++;
hResult = S_OK;
}
else
{
ClientID = sg_asClientToBufMap[Index].m_dwClientID;
hResult = ERR_CLIENT_EXISTS;
}
}
else
hResult = ERR_NO_MORE_CLIENT_ALLOWED;
}
else
{
if (bRemoveClient(ClientID))
hResult = S_OK;
else
hResult = ERR_NO_CLIENT_EXIST;
}
return(hResult);
}
/**
* Register Client
*/
HRESULT CDIL_CAN_STUB::CAN_RegisterClient(BOOL bRegister,DWORD& ClientID, TCHAR* pacClientName)
{
USES_CONVERSION;
HRESULT hResult = S_FALSE;
if (bRegister)
{
if (sg_unClientCnt < MAX_CLIENT_ALLOWED)
{
INT Index = 0;
if (!bClientExist(pacClientName, Index))
{
_tcscpy(sg_asClientToBufMap[sg_unClientCnt].pacClientName, pacClientName);
if (PerformAnOperation(REGISTER) == S_OK)
{
ClientID = sg_asClientToBufMap[sg_unClientCnt].dwClientID = sg_ushTempClientID;
sg_asClientToBufMap[sg_unClientCnt].hClientHandle = sg_hTmpClientHandle;
sg_asClientToBufMap[sg_unClientCnt].hPipeFileHandle = sg_hTmpPipeHandle;
sg_asClientToBufMap[sg_unClientCnt].unBufCount = 0;
sg_unClientCnt++;
hResult = S_OK;
}
}
else
{
ClientID = sg_asClientToBufMap[Index].dwClientID;
hResult = ERR_CLIENT_EXISTS;
}
}
else
{
hResult = ERR_NO_MORE_CLIENT_ALLOWED;
}
}
else
{
if (bRemoveClient(ClientID))
{
hResult = S_OK;
}
else
{
hResult = ERR_NO_CLIENT_EXIST;
}
}
return hResult;
}
/**
* \brief Performs closure operations.
* \param void
* \return S_OK if the CAN_StopHardware call successfull otherwise S_FALSE
*/
HRESULT CDIL_CAN_MHS::CAN_PerformClosureOperations(void)
{
HRESULT hResult = S_OK;
hResult = CAN_StopHardware();
// ------------------------------------
// Close driver
// ------------------------------------
CanDownDriver();
// Remove all the existing clients
while (sg_unClientCnt > 0)
bRemoveClient(sg_asClientToBufMap[0].m_dwClientID);
/* Delete the critical section */
DeleteCriticalSection(&sg_DIL_CriticalSection);
sg_bCurrState = STATE_DRIVER_SELECTED;
return(hResult);
}
/**
* \brief Registers a client to the DIL.
* \param[in] bRegister, if TRUE signifies 'Register', FALSE indicates 'Unregister'
* \param[out] ClientID, is Client ID assigned, will be used for further client related calls
* \param[in] pacClientName, is the client name
* \return S_OK for success, S_FALSE for failure
* \authors Arunkumar Karri
* \date 07.10.2011 Created
*/
HRESULT CDIL_ISOLAR_EVE_VCAN::CAN_RegisterClient(BOOL bRegister, DWORD& ClientID, char* pacClientName)
{
USES_CONVERSION;
HRESULT hResult = S_FALSE;
if (bRegister)
{
if (sg_unClientCnt < MAX_CLIENT_ALLOWED)
{
INT Index = 0;
if (!bClientExist(pacClientName, Index))
{
/* Currently store the client information */
if (_tcscmp(pacClientName, CAN_MONITOR_NODE) == 0)
{
/* First slot is reserved to monitor node */
ClientID = 1;
_tcscpy(sg_asClientToBufMap[0].pacClientName, pacClientName);
sg_asClientToBufMap[0].dwClientID = ClientID;
sg_asClientToBufMap[0].unBufCount = 0;
}
else
{
//if (!bClientExist(CAN_MONITOR_NODE, Index))
//{
// Index = sg_unClientCnt + 1;
//}
//else
//{
// /*Index = sg_unClientCnt;*/
//}
Index = sg_unClientCnt;
ClientID = dwGetAvailableClientSlot();
_tcscpy(sg_asClientToBufMap[Index].pacClientName, pacClientName);
sg_asClientToBufMap[Index].dwClientID = ClientID;
sg_asClientToBufMap[Index].unBufCount = 0;
}
sg_unClientCnt++;
hResult = S_OK;
}
else
{
ClientID = sg_asClientToBufMap[Index].dwClientID;
hResult = ERR_CLIENT_EXISTS;
}
}
else
{
hResult = ERR_NO_MORE_CLIENT_ALLOWED;
}
}
else
{
if (bRemoveClient(ClientID))
{
hResult = S_OK;
}
else
{
hResult = ERR_NO_CLIENT_EXIST;
}
}
return hResult;
}