void *deviceLevel2ReceiveThread::Entry()
{
vscpEvent *pEvent;
// Must be a valid main object pointer
if (NULL == m_pMainThreadObj) return NULL;
int rv;
while (!TestDestroy() && !m_bQuit) {
pEvent = new vscpEvent;
if (NULL == pEvent) continue;
rv = m_pMainThreadObj->m_pDeviceItem->m_proc_VSCPBlockingReceive(
m_pMainThreadObj->m_pDeviceItem->m_openHandle, pEvent, 500);
if ((CANAL_ERROR_SUCCESS != rv) || (NULL == pEvent)) {
delete pEvent;
continue;
}
// Identify ourselves
pEvent->obid = m_pMainThreadObj->m_pDeviceItem->m_pClientItem->m_clientID;
// If timestamp is zero we set it here
if ( 0 == pEvent->timestamp ) {
pEvent->timestamp = vscp_makeTimeStamp();
}
// If no GUID is set,
// - Set driver GUID if define
// - Set interface GUID if no driver GUID defined.
uint8_t ifguid[16];
// Save nickname
uint8_t nickname_msb = pEvent->GUID[14];
uint8_t nickname_lsb = pEvent->GUID[15];
// Set if to use
memcpy( ifguid, pEvent->GUID, 16 );
ifguid[14] = 0;
ifguid[15] = 0;
// If if is set to zero use interface id
if ( vscp_isGUIDEmpty( ifguid ) ) {
// Set driver GUID if set
if ( !m_pMainThreadObj->m_pDeviceItem->m_interface_guid.isNULL() ) {
m_pMainThreadObj->m_pDeviceItem->m_interface_guid.writeGUID( pEvent->GUID );
}
else {
// If no driver GUID set use interface GUID
m_pMainThreadObj->m_pDeviceItem->m_pClientItem->m_guid.writeGUID( pEvent->GUID );
}
// Preserve nickname
pEvent->GUID[14] = nickname_msb;
pEvent->GUID[15] = nickname_lsb;
}
// There must be room in the receive queue (even if rom (or whisky) has been better)
if (m_pMainThreadObj->m_pCtrlObject->m_maxItemsInClientReceiveQueue >
m_pMainThreadObj->m_pCtrlObject->m_clientOutputQueue.GetCount()) {
m_pMainThreadObj->m_pCtrlObject->m_mutexClientOutputQueue.Lock();
m_pMainThreadObj->m_pCtrlObject->m_clientOutputQueue.Append(pEvent);
m_pMainThreadObj->m_pCtrlObject->m_semClientOutputQueue.Post();
m_pMainThreadObj->m_pCtrlObject->m_mutexClientOutputQueue.Unlock();
}
else {
if (NULL == pEvent) vscp_deleteVSCPevent(pEvent);
}
}
return NULL;
}
void *
deviceLevel2ReceiveThread(void *pData)
{
vscpEvent *pEvent;
CDeviceItem *pDevItem = (CDeviceItem *)pData;
if (NULL == pDevItem) {
syslog(
LOG_CRIT,
"deviceLevel2ReceiveThread quitting due to NULL DevItem object.");
return NULL;
}
int rv;
while (!pDevItem->m_bQuit) {
pEvent = new vscpEvent;
if (NULL == pEvent) continue;
rv = pDevItem->m_proc_VSCPBlockingReceive(
pDevItem->m_openHandle, pEvent, 500);
if ((CANAL_ERROR_SUCCESS != rv) || (NULL == pEvent)) {
delete pEvent;
continue;
}
// Identify ourselves
pEvent->obid = pDevItem->m_pClientItem->m_clientID;
// If timestamp is zero we set it here
if (0 == pEvent->timestamp) {
pEvent->timestamp = vscp_makeTimeStamp();
}
// If no GUID is set,
// - Set driver GUID if define
// - Set interface GUID if no driver GUID defined.
uint8_t ifguid[16];
// Save nickname
uint8_t nickname_msb = pEvent->GUID[14];
uint8_t nickname_lsb = pEvent->GUID[15];
// Set if to use
memcpy(ifguid, pEvent->GUID, 16);
ifguid[14] = 0;
ifguid[15] = 0;
// If if is set to zero use interface id
if (vscp_isGUIDEmpty(ifguid)) {
// Set driver GUID if set
if (!pDevItem->m_interface_guid.isNULL()) {
pDevItem->m_interface_guid.writeGUID(pEvent->GUID);
} else {
// If no driver GUID set use interface GUID
pDevItem->m_pClientItem->m_guid.writeGUID(pEvent->GUID);
}
// Preserve nickname
pEvent->GUID[14] = nickname_msb;
pEvent->GUID[15] = nickname_lsb;
}
// There must be room in the receive queue (even if room (or whisky) has
// been better)
if (pDevItem->m_pCtrlObject->m_maxItemsInClientReceiveQueue >
pDevItem->m_pCtrlObject->m_clientOutputQueue.size()) {
pthread_mutex_lock(
&pDevItem->m_pCtrlObject->m_mutexClientOutputQueue);
pDevItem->m_pCtrlObject->m_clientOutputQueue.push_back(pEvent);
sem_post(&pDevItem->m_pCtrlObject->m_semClientOutputQueue);
pthread_mutex_unlock(
&pDevItem->m_pCtrlObject->m_mutexClientOutputQueue);
} else {
if (NULL == pEvent) vscp_deleteVSCPevent_v2(&pEvent);
}
}
return NULL;
}
