/*
* Retrieves the address information (hostname, port number) for the
* specified Maya command port name. If the port name contains a
* colon (':') character, it is interpreted as "<hostname>:<port>".
* Otherwise, it is assumed to specify a Maya Unix socket path.
*
* Returns true if successful, or false otherwise. If this function
* returns true, the caller is responsible for freeing the address
* information that is dynamically allocated, using freeaddrinfo().
*/
bool GetMayaCommandPortAddress(LPCSTR pszName, ADDRINFO** ppAddrInfo)
{
CAtlStringA strName(pszName);
CAtlStringA strHost("localhost");
CAtlStringA strPath;
CAtlStringA strPort;
int nFindPos = strName.Find(':');
if (nFindPos >= 0)
{
// split port name into hostname and port
if (nFindPos > 0)
{
strHost = strName.Left(nFindPos);
}
strPort = strName.Mid(nFindPos + 1);
if (strPort.IsEmpty())
return false;
if (getaddrinfo(strHost, strPort, NULL, ppAddrInfo) == 0)
return true;
strPath = strPort;
}
else
{
strPath = pszName;
}
// get port number for unix socket path
UINT16 nPort;
if (!GetPortForMayaUnixSocketPath(strPath, &nPort))
return false;
strPort.Format("%u", nPort);
return (getaddrinfo(strHost, strPort, NULL, ppAddrInfo) == 0);
}
bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
std::string strHost(pszName);
if (strHost.empty())
return false;
if (boost::algorithm::starts_with(strHost, "[") && boost::algorithm::ends_with(strHost, "]"))
{
strHost = strHost.substr(1, strHost.size() - 2);
}
return LookupIntern(strHost.c_str(), vIP, nMaxSolutions, fAllowLookup);
}
BOOL CNetwork::Resolve(LPCTSTR pszHost, int nPort, SOCKADDR_IN* pHost, BOOL bNames) const
{
ZeroMemory( pHost, sizeof(*pHost) );
pHost->sin_family = PF_INET;
pHost->sin_port = htons( nPort );
if ( pszHost == NULL || *pszHost == 0 ) return FALSE;
CString strHost( pszHost );
int nColon = strHost.Find( ':' );
if ( nColon >= 0 )
{
if ( _stscanf( strHost.Mid( nColon + 1 ), _T("%i"), &nPort ) == 1 )
{
pHost->sin_port = htons( nPort );
}
strHost = strHost.Left( nColon );
}
USES_CONVERSION;
LPCSTR pszaHost = T2CA( (LPCTSTR)strHost );
DWORD dwIP = inet_addr( pszaHost );
if ( dwIP == INADDR_NONE )
{
if ( ! bNames ) return TRUE;
HOSTENT* pLookup = gethostbyname( pszaHost );
if ( pLookup == NULL ) return FALSE;
CopyMemory( &pHost->sin_addr, pLookup->h_addr, 4 );
}
else
{
CopyMemory( &pHost->sin_addr, &dwIP, 4 );
}
return TRUE;
}
void *deviceThread::Entry()
{
// Must have a valid pointer to the device item
if (NULL == m_pDeviceItem) return NULL;
// Must have a valid pointer to the control object
if (NULL == m_pCtrlObject) return NULL;
// We need to create a clientobject and add this object to the list
m_pDeviceItem->m_pClientItem = new CClientItem;
if (NULL == m_pDeviceItem->m_pClientItem) {
return NULL;
}
// This is now an active Client
m_pDeviceItem->m_pClientItem->m_bOpen = true;
if ( VSCP_DRIVER_LEVEL2 == m_pDeviceItem->m_driverLevel ) {
m_pDeviceItem->m_pClientItem->m_type = CLIENT_ITEM_INTERFACE_TYPE_DRIVER_LEVEL2;
}
else {
m_pDeviceItem->m_pClientItem->m_type = CLIENT_ITEM_INTERFACE_TYPE_DRIVER_LEVEL1;
}
m_pDeviceItem->m_pClientItem->m_strDeviceName = m_pDeviceItem->m_strName;
m_pDeviceItem->m_pClientItem->m_strDeviceName += _(" Started at ");
wxDateTime now = wxDateTime::Now();
m_pDeviceItem->m_pClientItem->m_strDeviceName += now.FormatISODate();
m_pDeviceItem->m_pClientItem->m_strDeviceName += _(" ");
m_pDeviceItem->m_pClientItem->m_strDeviceName += now.FormatISOTime();
m_pCtrlObject->logMsg(m_pDeviceItem->m_pClientItem->m_strDeviceName + _("\n"),
DAEMON_LOGMSG_DEBUG);
// Add the client to the Client List
m_pCtrlObject->m_wxClientMutex.Lock();
m_pCtrlObject->addClient(m_pDeviceItem->m_pClientItem);
m_pCtrlObject->m_wxClientMutex.Unlock();
// Load dynamic library
if (!m_wxdll.Load(m_pDeviceItem->m_strPath, wxDL_LAZY)) {
m_pCtrlObject->logMsg(_("Unable to load dynamic library.\n") );
return NULL;
}
if (VSCP_DRIVER_LEVEL1 == m_pDeviceItem->m_driverLevel) {
// Now find methods in library
{
wxString str;
str = _("Loading level I driver: ");
str += m_pDeviceItem->m_strName;
str += _("\n");
m_pCtrlObject->logMsg(str);
wxLogDebug(str);
}
// * * * * CANAL OPEN * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalOpen =
(LPFNDLL_CANALOPEN) m_wxdll.GetSymbol(_T("CanalOpen")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalOpen.\n") );
return NULL;
}
// * * * * CANAL CLOSE * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalClose =
(LPFNDLL_CANALCLOSE) m_wxdll.GetSymbol(_T("CanalClose")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalClose.\n") );
return NULL;
}
// * * * * CANAL GETLEVEL * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalGetLevel =
(LPFNDLL_CANALGETLEVEL) m_wxdll.GetSymbol(_T("CanalGetLevel")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalGetLevel.\n") );
return NULL;
}
// * * * * CANAL SEND * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalSend =
(LPFNDLL_CANALSEND) m_wxdll.GetSymbol(_T("CanalSend")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalSend.\n") );
return NULL;
}
// * * * * CANAL DATA AVAILABLE * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalDataAvailable =
(LPFNDLL_CANALDATAAVAILABLE) m_wxdll.GetSymbol(_T("CanalDataAvailable")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalDataAvailable.\n") );
return NULL;
}
// * * * * CANAL RECEIVE * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalReceive =
(LPFNDLL_CANALRECEIVE) m_wxdll.GetSymbol(_T("CanalReceive")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalReceive.\n") );
return NULL;
}
// * * * * CANAL GET STATUS * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalGetStatus =
(LPFNDLL_CANALGETSTATUS) m_wxdll.GetSymbol(_T("CanalGetStatus")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalGetStatus.\n") );
return NULL;
}
// * * * * CANAL GET STATISTICS * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalGetStatistics =
(LPFNDLL_CANALGETSTATISTICS) m_wxdll.GetSymbol(_T("CanalGetStatistics")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalGetStatistics.\n") );
return NULL;
}
// * * * * CANAL SET FILTER * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalSetFilter =
(LPFNDLL_CANALSETFILTER) m_wxdll.GetSymbol(_T("CanalSetFilter")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalSetFilter.\n") );
return NULL;
}
// * * * * CANAL SET MASK * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalSetMask =
(LPFNDLL_CANALSETMASK) m_wxdll.GetSymbol(_T("CanalSetMask")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalSetMask.\n") );
return NULL;
}
// * * * * CANAL GET VERSION * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalGetVersion =
(LPFNDLL_CANALGETVERSION) m_wxdll.GetSymbol(_T("CanalGetVersion")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalGetVersion.\n") );
return NULL;
}
// * * * * CANAL GET DLL VERSION * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalGetDllVersion =
(LPFNDLL_CANALGETDLLVERSION) m_wxdll.GetSymbol(_T("CanalGetDllVersion")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalGetDllVersion.\n") );
return NULL;
}
// * * * * CANAL GET VENDOR STRING * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalGetVendorString =
(LPFNDLL_CANALGETVENDORSTRING) m_wxdll.GetSymbol(_T("CanalGetVendorString")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalGetVendorString.\n") );
return NULL;
}
// ******************************
// Generation 2 Methods
// ******************************
// * * * * CANAL BLOCKING SEND * * * *
m_pDeviceItem->m_proc_CanalBlockingSend = NULL;
if (m_wxdll.HasSymbol(_T("CanalBlockingSend"))) {
if (NULL == (m_pDeviceItem->m_proc_CanalBlockingSend =
(LPFNDLL_CANALBLOCKINGSEND) m_wxdll.GetSymbol(_T("CanalBlockingSend")))) {
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalBlockingSend. Probably Generation 1 driver.\n") );
m_pDeviceItem->m_proc_CanalBlockingSend = NULL;
}
}
else {
m_pCtrlObject->logMsg(_T("CanalBlockingSend not available. \n\tNon blocking operations set.\n") );
}
// * * * * CANAL BLOCKING RECEIVE * * * *
m_pDeviceItem->m_proc_CanalBlockingReceive = NULL;
if (m_wxdll.HasSymbol(_T("CanalBlockingReceive"))) {
if (NULL == (m_pDeviceItem->m_proc_CanalBlockingReceive =
(LPFNDLL_CANALBLOCKINGRECEIVE) m_wxdll.GetSymbol(_T("CanalBlockingReceive")))) {
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalBlockingReceive. Probably Generation 1 driver.\n") );
m_pDeviceItem->m_proc_CanalBlockingReceive = NULL;
}
}
else {
m_pCtrlObject->logMsg(_T("CanalBlockingReceive not available. \n\tNon blocking operations set.\n"));
}
// * * * * CANAL GET DRIVER INFO * * * *
m_pDeviceItem->m_proc_CanalGetdriverInfo = NULL;
if (m_wxdll.HasSymbol(_T("CanalGetDriverInfo"))) {
if (NULL == (m_pDeviceItem->m_proc_CanalGetdriverInfo =
(LPFNDLL_CANALGETDRIVERINFO) m_wxdll.GetSymbol(_T("CanalGetDriverInfo")))) {
m_pCtrlObject->logMsg(_T("Unable to get dl entry for CanalGetDriverInfo. Probably Generation 1 driver.\n") );
m_pDeviceItem->m_proc_CanalGetdriverInfo = NULL;
}
}
// Open the device
m_pDeviceItem->m_openHandle =
m_pDeviceItem->m_proc_CanalOpen((const char *) m_pDeviceItem->m_strParameter.mb_str(wxConvUTF8),
m_pDeviceItem->m_DeviceFlags);
// Check if the driver opened properly
if (m_pDeviceItem->m_openHandle <= 0) {
wxString errMsg = _T("Failed to open driver. Will not use it! \n\t[ ")
+ m_pDeviceItem->m_strName + _T(" ]\n");
m_pCtrlObject->logMsg( errMsg );
return NULL;
}
else {
wxString wxstr =
wxString::Format(_("Driver %s opended.\n"),
(const char *)m_pDeviceItem->m_strName.mbc_str() );
m_pCtrlObject->logMsg( wxstr );
}
// Get Driver Level
m_pDeviceItem->m_driverLevel =
m_pDeviceItem->m_proc_CanalGetLevel(m_pDeviceItem->m_openHandle);
// * * * Level I Driver * * *
// Check if blocking driver is available
if (NULL != m_pDeviceItem->m_proc_CanalBlockingReceive) {
// * * * * Blocking version * * * *
/////////////////////////////////////////////////////////////////////////////
// Device write worker thread
/////////////////////////////////////////////////////////////////////////////
m_pwriteThread = new deviceCanalWriteThread;
if (m_pwriteThread) {
m_pwriteThread->m_pMainThreadObj = this;
wxThreadError err;
if (wxTHREAD_NO_ERROR == (err = m_pwriteThread->Create())) {
m_pwriteThread->SetPriority(WXTHREAD_MAX_PRIORITY);
if (wxTHREAD_NO_ERROR != (err = m_pwriteThread->Run())) {
m_pCtrlObject->logMsg(_("Unable to run device write worker thread.\n") );
}
}
else {
m_pCtrlObject->logMsg(_("Unable to create device write worker thread.\n") );
}
}
else {
m_pCtrlObject->logMsg(_("Unable to allocate memory for device write worker thread.\n") );
}
/////////////////////////////////////////////////////////////////////////////
// Device read worker thread
/////////////////////////////////////////////////////////////////////////////
m_preceiveThread = new deviceCanalReceiveThread;
if (m_preceiveThread) {
m_preceiveThread->m_pMainThreadObj = this;
wxThreadError err;
if (wxTHREAD_NO_ERROR == (err = m_preceiveThread->Create())) {
m_preceiveThread->SetPriority(WXTHREAD_MAX_PRIORITY);
if (wxTHREAD_NO_ERROR != (err = m_preceiveThread->Run())) {
m_pCtrlObject->logMsg(_("Unable to run device receive worker thread.\n") );
}
}
else {
m_pCtrlObject->logMsg(_("Unable to create device receive worker thread.\n") );
}
}
else {
m_pCtrlObject->logMsg(_("Unable to allocate memory for device receive worker thread.\n") );
}
// Just sit and wait until the end of the world as we know it...
while (!m_pDeviceItem->m_bQuit) {
wxSleep(1);
}
m_preceiveThread->m_bQuit = true;
m_pwriteThread->m_bQuit = true;
m_preceiveThread->Wait();
m_pwriteThread->Wait();
}
else {
// * * * * Non blocking version * * * *
bool bActivity;
while (!TestDestroy() && !m_pDeviceItem->m_bQuit) {
bActivity = false;
/////////////////////////////////////////////////////////////////////////////
// Receive from device //
/////////////////////////////////////////////////////////////////////////////
canalMsg msg;
if (m_pDeviceItem->m_proc_CanalDataAvailable(m_pDeviceItem->m_openHandle)) {
if (CANAL_ERROR_SUCCESS ==
m_pDeviceItem->m_proc_CanalReceive(m_pDeviceItem->m_openHandle, &msg)) {
bActivity = true;
// There must be room in the receive queue
if (m_pCtrlObject->m_maxItemsInClientReceiveQueue >
m_pCtrlObject->m_clientOutputQueue.GetCount()) {
vscpEvent *pvscpEvent = new vscpEvent;
if (NULL != pvscpEvent) {
// Convert CANAL message to VSCP event
vscp_convertCanalToEvent( pvscpEvent,
&msg,
m_pDeviceItem->m_pClientItem->m_guid.m_id );
pvscpEvent->obid = m_pDeviceItem->m_pClientItem->m_clientID;
m_pCtrlObject->m_mutexClientOutputQueue.Lock();
m_pCtrlObject->m_clientOutputQueue.Append(pvscpEvent);
m_pCtrlObject->m_semClientOutputQueue.Post();
m_pCtrlObject->m_mutexClientOutputQueue.Unlock();
}
}
}
} // data available
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// Send messages (if any) in the outqueue
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// Check if there is something to send
if (m_pDeviceItem->m_pClientItem->m_clientInputQueue.GetCount()) {
bActivity = true;
CLIENTEVENTLIST::compatibility_iterator nodeClient;
m_pDeviceItem->m_pClientItem->m_mutexClientInputQueue.Lock();
nodeClient = m_pDeviceItem->m_pClientItem->m_clientInputQueue.GetFirst();
vscpEvent *pqueueEvent = nodeClient->GetData();
m_pDeviceItem->m_pClientItem->m_mutexClientInputQueue.Unlock();
canalMsg canalMsg;
vscp_convertEventToCanal(&canalMsg, pqueueEvent);
if (CANAL_ERROR_SUCCESS ==
m_pDeviceItem->m_proc_CanalSend(m_pDeviceItem->m_openHandle, &canalMsg)) {
// Remove the node
delete pqueueEvent;
m_pDeviceItem->m_pClientItem->m_clientInputQueue.DeleteNode(nodeClient);
}
else {
// Another try
//m_pCtrlObject->m_semClientOutputQueue.Post();
vscp_deleteVSCPevent(pqueueEvent);
m_pDeviceItem->m_pClientItem->m_clientInputQueue.DeleteNode(nodeClient);
}
} // events
if (!bActivity) {
::wxMilliSleep(100);
}
bActivity = false;
} // while working - non blocking
} // if blocking/non blocking
// Close CANAL channel
m_pDeviceItem->m_proc_CanalClose(m_pDeviceItem->m_openHandle);
// Library is unloaded in destructor
// Remove messages in the client queues
m_pCtrlObject->m_wxClientMutex.Lock();
m_pCtrlObject->removeClient(m_pDeviceItem->m_pClientItem);
m_pCtrlObject->m_wxClientMutex.Unlock();
if (NULL != m_preceiveThread) {
m_preceiveThread->Wait();
delete m_preceiveThread;
}
if (NULL != m_pwriteThread) {
m_pwriteThread->Wait();
delete m_pwriteThread;
}
}
else if (VSCP_DRIVER_LEVEL2 == m_pDeviceItem->m_driverLevel) {
// Now find methods in library
{
wxString str;
str = _("Loading level II driver: <");
str += m_pDeviceItem->m_strName;
str += _(">");
str += _("\n");
m_pCtrlObject->logMsg(str);
}
// * * * * VSCP OPEN * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPOpen =
(LPFNDLL_VSCPOPEN) m_wxdll.GetSymbol(_T("VSCPOpen")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPOpen.\n"));
return NULL;
}
// * * * * VSCP CLOSE * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPClose =
(LPFNDLL_VSCPCLOSE) m_wxdll.GetSymbol(_T("VSCPClose")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPClose.\n"));
return NULL;
}
// * * * * VSCP BLOCKINGSEND * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPBlockingSend =
(LPFNDLL_VSCPBLOCKINGSEND) m_wxdll.GetSymbol(_T("VSCPBlockingSend")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPBlockingSend.\n"));
return NULL;
}
// * * * * VSCP BLOCKINGRECEIVE * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPBlockingReceive =
(LPFNDLL_VSCPBLOCKINGRECEIVE) m_wxdll.GetSymbol(_T("VSCPBlockingReceive")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPBlockingReceive.\n"));
return NULL;
}
// * * * * VSCP GETLEVEL * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPGetLevel =
(LPFNDLL_VSCPGETLEVEL) m_wxdll.GetSymbol(_T("VSCPGetLevel")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPGetLevel.\n"));
return NULL;
}
// * * * * VSCP GET DLL VERSION * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPGetDllVersion =
(LPFNDLL_VSCPGETDLLVERSION) m_wxdll.GetSymbol(_T("VSCPGetDllVersion")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPGetDllVersion.\n"));
return NULL;
}
// * * * * VSCP GET VENDOR STRING * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPGetVendorString =
(LPFNDLL_VSCPGETVENDORSTRING) m_wxdll.GetSymbol(_T("VSCPGetVendorString")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPGetVendorString.\n"));
return NULL;
}
// * * * * VSCP GET DRIVER INFO * * * *
if (NULL == (m_pDeviceItem->m_proc_CanalGetdriverInfo =
(LPFNDLL_VSCPGETVENDORSTRING) m_wxdll.GetSymbol(_T("VSCPGetDriverInfo")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPGetDriverInfo.\n"));
return NULL;
}
// * * * * VSCP GET WEB PAGE TEMPLATE * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPGetWebPageTemplate =
(LPFNDLL_VSCPGETWEBPAGETEMPLATE) m_wxdll.GetSymbol(_T("VSCPGetWebPageTemplate")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPGetWebPageTemplate.\n"));
return NULL;
}
// * * * * VSCP GET WEB PAGE INFO * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPGetWebPageInfo =
(LPFNDLL_VSCPGETWEBPAGEINFO) m_wxdll.GetSymbol(_T("VSCPGetWebPageInfo")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPGetWebPageInfo.\n"));
return NULL;
}
// * * * * VSCP WEB PAGE UPDATE * * * *
if (NULL == (m_pDeviceItem->m_proc_VSCPWebPageupdate =
(LPFNDLL_VSCPWEBPAGEUPDATE) m_wxdll.GetSymbol(_T("VSCPWebPageupdate")))) {
// Free the library
m_pCtrlObject->logMsg(_T("Unable to get dl entry for VSCPWebPageupdate.\n"));
return NULL;
}
m_pCtrlObject->logMsg(_("Discovered all methods\n"));
// Username, password, host and port can be set in configuration file. Read in them here
// if they are.
wxString strHost(_("127.0.0.1:9598"));
wxStringTokenizer tkz(m_pDeviceItem->m_strParameter, _(";"));
if (tkz.HasMoreTokens()) {
CVSCPVariable *pVar;
// Get prefix
wxString prefix = tkz.GetNextToken();
// Check if username is specified in the configuration file
pVar = m_pCtrlObject->m_VSCP_Variables.find(m_pDeviceItem->m_strName + _("_username"));
if (NULL != pVar) {
wxString str;
if (VSCP_DAEMON_VARIABLE_CODE_STRING == pVar->getType()) {
pVar->getValue( str );
m_pCtrlObject->m_driverUsername = str;
}
}
// Check if password is specified in the configuration file
pVar = m_pCtrlObject->m_VSCP_Variables.find(m_pDeviceItem->m_strName + _("_password"));
if (NULL != pVar) {
wxString str;
if (VSCP_DAEMON_VARIABLE_CODE_STRING == pVar->getType()) {
pVar->getValue( str );
m_pCtrlObject->m_driverPassword = str;
}
}
// Check if host is specified in the configuration file
pVar = m_pCtrlObject->m_VSCP_Variables.find(m_pDeviceItem->m_strName + _("_host"));
if (NULL != pVar) {
wxString str;
if (VSCP_DAEMON_VARIABLE_CODE_STRING == pVar->getType()) {
pVar->getValue( str );
strHost = str;
}
}
}
// Open up the driver
m_pDeviceItem->m_openHandle =
m_pDeviceItem->m_proc_VSCPOpen( m_pCtrlObject->m_driverUsername.mbc_str(),
( const char * )m_pCtrlObject->m_driverPassword.mbc_str(),
( const char * )strHost.mbc_str(),
0,
( const char * )m_pDeviceItem->m_strName.mbc_str(),
( const char * )m_pDeviceItem->m_strParameter.mbc_str() );
if ( 0 == m_pDeviceItem->m_openHandle ) {
// Free the library
m_pCtrlObject->logMsg( _T( "Unable to open the library.\n" ) );
return NULL;
}
/////////////////////////////////////////////////////////////////////////////
// Device write worker thread
/////////////////////////////////////////////////////////////////////////////
m_pwriteLevel2Thread = new deviceLevel2WriteThread;
if (m_pwriteLevel2Thread) {
m_pwriteLevel2Thread->m_pMainThreadObj = this;
wxThreadError err;
if (wxTHREAD_NO_ERROR == (err = m_pwriteLevel2Thread->Create())) {
m_pwriteLevel2Thread->SetPriority(WXTHREAD_MAX_PRIORITY);
if (wxTHREAD_NO_ERROR != (err = m_pwriteLevel2Thread->Run())) {
m_pCtrlObject->logMsg(_("Unable to run device write worker thread."));
}
}
else {
m_pCtrlObject->logMsg(_("Unable to create device write worker thread."));
}
}
else {
m_pCtrlObject->logMsg(_("Unable to allocate memory for device write worker thread."));
}
/////////////////////////////////////////////////////////////////////////////
// Device read worker thread
/////////////////////////////////////////////////////////////////////////////
m_preceiveLevel2Thread = new deviceLevel2ReceiveThread;
if (m_preceiveLevel2Thread) {
m_preceiveLevel2Thread->m_pMainThreadObj = this;
wxThreadError err;
if (wxTHREAD_NO_ERROR == (err = m_preceiveLevel2Thread->Create())) {
m_preceiveLevel2Thread->SetPriority(WXTHREAD_MAX_PRIORITY);
if (wxTHREAD_NO_ERROR != (err = m_preceiveLevel2Thread->Run())) {
m_pCtrlObject->logMsg(_("Unable to run device receive worker thread."));
}
}
else {
m_pCtrlObject->logMsg(_("Unable to create device receive worker thread.") );
}
}
else {
m_pCtrlObject->logMsg(_("Unable to allocate memory for device receive worker thread.") );
}
// Just sit and wait until the end of the world as we know it...
while (!TestDestroy() && !m_pDeviceItem->m_bQuit) {
wxSleep(200);
}
m_preceiveLevel2Thread->m_bQuit = true;
m_pwriteLevel2Thread->m_bQuit = true;
// Close channel
m_pDeviceItem->m_proc_VSCPClose(m_pDeviceItem->m_openHandle);
// Library is unloaded in destructor
// Remove messages in the client queues
m_pCtrlObject->m_wxClientMutex.Lock();
m_pCtrlObject->removeClient(m_pDeviceItem->m_pClientItem);
m_pCtrlObject->m_wxClientMutex.Unlock();
if (NULL != m_preceiveLevel2Thread) {
m_preceiveLevel2Thread->Wait();
delete m_preceiveLevel2Thread;
}
if (NULL != m_pwriteLevel2Thread) {
m_pwriteLevel2Thread->Wait();
delete m_pwriteLevel2Thread;
}
}
//
// =====================================================================================
//
return NULL;
}
void *
deviceThread(void *pData)
{
const char *dlsym_error;
CDeviceItem *pDevItem = (CDeviceItem *)pData;
if (NULL == pDevItem) {
syslog(LOG_CRIT, "No device item defined. Aborting device thread!");
return NULL;
}
// Must have a valid pointer to the control object
CControlObject *pCtrlObj = pDevItem->m_pCtrlObject;
if (NULL == pCtrlObj) {
syslog(LOG_CRIT, "No control object defined. Aborting device thread!");
return NULL;
}
// We need to create a clientobject and add this object to the list
CClientItem *pClientItem = pDevItem->m_pClientItem = new CClientItem;
if (NULL == pClientItem) {
return NULL;
}
// This is now an active Client
pClientItem->m_bOpen = true;
if (VSCP_DRIVER_LEVEL1 == pDevItem->m_driverLevel) {
pClientItem->m_type = CLIENT_ITEM_INTERFACE_TYPE_DRIVER_LEVEL1;
} else if (VSCP_DRIVER_LEVEL2 == pDevItem->m_driverLevel) {
pClientItem->m_type = CLIENT_ITEM_INTERFACE_TYPE_DRIVER_LEVEL2;
} else if (VSCP_DRIVER_LEVEL3 == pDevItem->m_driverLevel) {
pClientItem->m_type = CLIENT_ITEM_INTERFACE_TYPE_DRIVER_LEVEL3;
}
char datebuf[80];
time_t now = time(NULL);
vscp_getTimeString(datebuf, sizeof(datebuf), &now);
pClientItem->m_strDeviceName = pDevItem->m_strName;
pClientItem->m_strDeviceName += "|Started at ";
pClientItem->m_strDeviceName += datebuf;
syslog(LOG_DEBUG,
"Devicethread: Starting %s",
pClientItem->m_strDeviceName.c_str());
// Add the client to the Client List
pthread_mutex_lock(&pCtrlObj->m_clientList.m_mutexItemList);
if (!pCtrlObj->addClient(pClientItem,
pDevItem->m_interface_guid.getClientID())) {
// Failed to add client
delete pDevItem->m_pClientItem;
pDevItem->m_pClientItem = NULL;
pthread_mutex_unlock(&pCtrlObj->m_clientList.m_mutexItemList);
syslog(LOG_ERR,
"Devicethread: Failed to add client. Terminating thread.");
return NULL;
}
pthread_mutex_unlock(&pCtrlObj->m_clientList.m_mutexItemList);
// Client now have GUID set to server GUID + channel id
// If device has a non NULL GUID replace the client GUID preserving
// the channel id with that GUID
if (!pClientItem->m_guid.isNULL()) {
memcpy(
pClientItem->m_guid.m_id, pDevItem->m_interface_guid.getGUID(), 12);
}
void *hdll;
if (VSCP_DRIVER_LEVEL3 != pDevItem->m_driverLevel) {
// Load dynamic library
hdll = dlopen(pDevItem->m_strPath.c_str(), RTLD_LAZY);
if (!hdll) {
syslog(LOG_ERR,
"Devicethread: Unable to load dynamic library. path = %s",
pDevItem->m_strPath.c_str());
return NULL;
}
} else { // Level III driver
// Startup Level III driver
std::string executable = pDevItem->m_strPath;
pid_t pid = fork();
if (pid == -1) {
syslog(LOG_ERR,
"Failed to start level III driver %s (fork).",
pDevItem->m_strName.c_str());
} else if (pid == 0) {
// we're in child
// Set process group to child process' pid. Then killing -pid
// of the parent will kill the process and all of its children.
setsid();
// Arguments: TODO
// user
// password
// config parameters...
// execvp( *argv, const_cast<char**>(argv) );
// Wait on child
int status;
waitpid(pid, &status, 0);
}
}
if (VSCP_DRIVER_LEVEL1 == pDevItem->m_driverLevel) {
// Now find methods in library
syslog(
LOG_INFO, "Loading level I driver: %s", pDevItem->m_strName.c_str());
// * * * * CANAL OPEN * * * *
pDevItem->m_proc_CanalOpen =
(LPFNDLL_CANALOPEN)dlsym(hdll, "CanalOpen");
const char *dlsym_error = dlerror();
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_DEBUG,
"%s : Unable to get dl entry for CanalOpen.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * CANAL CLOSE * * * *
pDevItem->m_proc_CanalClose =
(LPFNDLL_CANALCLOSE)dlsym(hdll, "CanalClose");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalClose.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL GETLEVEL * * * *
pDevItem->m_proc_CanalGetLevel =
(LPFNDLL_CANALGETLEVEL)dlsym(hdll, "CanalGetLevel");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalGetLevel.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL SEND * * * *
pDevItem->m_proc_CanalSend =
(LPFNDLL_CANALSEND)dlsym(hdll, "CanalSend");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalSend.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL DATA AVAILABLE * * * *
pDevItem->m_proc_CanalDataAvailable =
(LPFNDLL_CANALDATAAVAILABLE)dlsym(hdll, "CanalDataAvailable");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalDataAvailable.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL RECEIVE * * * *
pDevItem->m_proc_CanalReceive =
(LPFNDLL_CANALRECEIVE)dlsym(hdll, "CanalReceive");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalReceive.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL GET STATUS * * * *
pDevItem->m_proc_CanalGetStatus =
(LPFNDLL_CANALGETSTATUS)dlsym(hdll, "CanalGetStatus");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalGetStatus.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL GET STATISTICS * * * *
pDevItem->m_proc_CanalGetStatistics =
(LPFNDLL_CANALGETSTATISTICS)dlsym(hdll, "CanalGetStatistics");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalGetStatistics.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL SET FILTER * * * *
pDevItem->m_proc_CanalSetFilter =
(LPFNDLL_CANALSETFILTER)dlsym(hdll, "CanalSetFilter");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalSetFilter.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL SET MASK * * * *
pDevItem->m_proc_CanalSetMask =
(LPFNDLL_CANALSETMASK)dlsym(hdll, "CanalSetMask");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalSetMask.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL GET VERSION * * * *
pDevItem->m_proc_CanalGetVersion =
(LPFNDLL_CANALGETVERSION)dlsym(hdll, "CanalGetVersion");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalGetVersion.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL GET DLL VERSION * * * *
pDevItem->m_proc_CanalGetDllVersion =
(LPFNDLL_CANALGETDLLVERSION)dlsym(hdll, "CanalGetDllVersion");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalGetDllVersion.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// * * * * CANAL GET VENDOR STRING * * * *
pDevItem->m_proc_CanalGetVendorString =
(LPFNDLL_CANALGETVENDORSTRING)dlsym(hdll, "CanalGetVendorString");
dlsym_error = dlerror();
if (dlsym_error) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalGetVendorString.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
// ******************************
// Generation 2 Methods
// ******************************
// * * * * CANAL BLOCKING SEND * * * *
pDevItem->m_proc_CanalBlockingSend =
(LPFNDLL_CANALBLOCKINGSEND)dlsym(hdll, "CanalBlockingSend");
dlsym_error = dlerror();
if (dlsym_error) {
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalBlockingSend. Probably "
"Generation 1 driver.",
pDevItem->m_strName.c_str());
pDevItem->m_proc_CanalBlockingSend = NULL;
}
// * * * * CANAL BLOCKING RECEIVE * * * *
pDevItem->m_proc_CanalBlockingReceive =
(LPFNDLL_CANALBLOCKINGRECEIVE)dlsym(hdll, "CanalBlockingReceive");
dlsym_error = dlerror();
if (dlsym_error) {
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalBlockingReceive. "
"Probably Generation 1 driver.",
pDevItem->m_strName.c_str());
pDevItem->m_proc_CanalBlockingReceive = NULL;
}
// * * * * CANAL GET DRIVER INFO * * * *
pDevItem->m_proc_CanalGetdriverInfo =
(LPFNDLL_CANALGETDRIVERINFO)dlsym(hdll, "CanalGetDriverInfo");
dlsym_error = dlerror();
if (dlsym_error) {
syslog(LOG_ERR,
"%s: Unable to get dl entry for CanalGetDriverInfo. "
"Probably Generation 1 driver.",
pDevItem->m_strName.c_str());
pDevItem->m_proc_CanalGetdriverInfo = NULL;
}
// Open the device
pDevItem->m_openHandle = pDevItem->m_proc_CanalOpen(
(const char *)pDevItem->m_strParameter.c_str(),
pDevItem->m_DeviceFlags);
// Check if the driver opened properly
if (pDevItem->m_openHandle <= 0) {
syslog(LOG_ERR,
"Failed to open driver. Will not use it! [%s] ",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL;
}
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level I Driver open.",
pDevItem->m_strName.c_str());
}
// Get Driver Level
pDevItem->m_driverLevel =
pDevItem->m_proc_CanalGetLevel(pDevItem->m_openHandle);
// * * * Level I Driver * * *
// Check if blocking driver is available
if (NULL != pDevItem->m_proc_CanalBlockingReceive) {
// * * * * Blocking version * * * *
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level I blocking version.",
pDevItem->m_strName.c_str());
}
/////////////////////////////////////////////////////////////////////////////
// Device write worker thread
/////////////////////////////////////////////////////////////////////////////
if (pthread_create(&pDevItem->m_level1WriteThread,
NULL,
deviceLevel1WriteThread,
pDevItem)) {
syslog(LOG_CRIT,
"%s: Unable to run the device write worker thread.",
pDevItem->m_strName.c_str());
// pDevItem->m_openHandle = pDevItem->m_proc_CanalOpen();
dlclose(hdll);
return NULL;
}
/////////////////////////////////////////////////////////////////////////////
// Device read worker thread
/////////////////////////////////////////////////////////////////////////////
if (pthread_create(&pDevItem->m_level1ReceiveThread,
NULL,
deviceLevel1ReceiveThread,
pDevItem)) {
syslog(LOG_CRIT,
"%s: Unable to run the device read worker thread.",
pDevItem->m_strName.c_str());
pDevItem->m_bQuit = true;
pthread_join(pDevItem->m_level1WriteThread, NULL);
// pDevItem->m_openHandle = pDevItem->m_proc_CanalOpen();
dlclose(hdll);
return NULL;
}
// Just sit and wait until the end of the world as we know it...
while (!pDevItem->m_bQuit) {
sleep(1);
}
// Signal worker threads to quit
pDevItem->m_bQuit = true;
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level I work loop ended.",
pDevItem->m_strName.c_str());
}
// Wait for workerthreads to abort
pthread_join(pDevItem->m_level1WriteThread, NULL);
pthread_join(pDevItem->m_level1ReceiveThread, NULL);
} else {
// * * * * Non blocking version * * * *
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level I NON Blocking version.",
pDevItem->m_strName.c_str());
}
bool bActivity;
while (pDevItem->m_bQuit) {
bActivity = false;
/////////////////////////////////////////////////////////////////////////////
// Receive from device
/////////////////////////////////////////////////////////////////////////////
canalMsg msg;
if (pDevItem->m_proc_CanalDataAvailable(
pDevItem->m_openHandle)) {
if (CANAL_ERROR_SUCCESS ==
pDevItem->m_proc_CanalReceive(pDevItem->m_openHandle,
&msg)) {
bActivity = true;
// There must be room in the receive queue
if (pCtrlObj->m_maxItemsInClientReceiveQueue >
pCtrlObj->m_clientOutputQueue.size()) {
vscpEvent *pvscpEvent = new vscpEvent;
if (NULL != pvscpEvent) {
// Set driver GUID if set
/*if ( pDevItem->m_interface_guid.isNULL() ) {
pDevItem->m_interface_guid.writeGUID(
pvscpEvent->GUID );
}
else {
// If no driver GUID set use interface GUID
pItem->m_guid.writeGUID( pvscpEvent->GUID );
}*/
// Convert CANAL message to VSCP event
vscp_convertCanalToEvent(
pvscpEvent, &msg, pClientItem->m_guid.m_id);
pvscpEvent->obid = pClientItem->m_clientID;
pthread_mutex_lock(
&pCtrlObj->m_mutexClientOutputQueue);
pCtrlObj->m_clientOutputQueue.push_back(
pvscpEvent);
sem_post(&pCtrlObj->m_semClientOutputQueue);
pthread_mutex_unlock(
&pCtrlObj->m_mutexClientOutputQueue);
}
}
}
} // data available
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// Send messages (if any) in the output queue
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// Check if there is something to send
if (pClientItem->m_clientInputQueue.size()) {
bActivity = true;
std::deque<vscpEvent *>::iterator it;
pthread_mutex_lock(&pClientItem->m_mutexClientInputQueue);
vscpEvent *pqueueEvent =
pClientItem->m_clientInputQueue.front();
pthread_mutex_lock(&pClientItem->m_mutexClientInputQueue);
// Trow away Level II event on Level I interface
if ((CLIENT_ITEM_INTERFACE_TYPE_DRIVER_LEVEL1 ==
pClientItem->m_type) &&
(pqueueEvent->vscp_class > 512)) {
// Remove the event and the node
pClientItem->m_clientInputQueue.pop_front();
syslog(LOG_ERR,
"Level II event on Level I queue thrown away. "
"class=%d, type=%d",
pqueueEvent->vscp_class,
pqueueEvent->vscp_type);
vscp_deleteVSCPevent(pqueueEvent);
continue;
}
canalMsg canalMsg;
vscp_convertEventToCanal(&canalMsg, pqueueEvent);
if (CANAL_ERROR_SUCCESS ==
pDevItem->m_proc_CanalSend(pDevItem->m_openHandle,
&canalMsg)) {
// Remove the event and the node
pClientItem->m_clientInputQueue.pop_front();
delete pqueueEvent;
} else {
// Another try
// pCtrlObj->m_semClientOutputQueue.Post();
// vscp_deleteVSCPevent(pqueueEvent); TODO ????
}
} // events
if (!bActivity) {
usleep(100000); // 100 ms
}
bActivity = false;
} // while working - non blocking
} // if blocking/non blocking
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level I Work loop ended.",
pDevItem->m_strName.c_str());
}
// Close CANAL channel
pDevItem->m_proc_CanalClose(pDevItem->m_openHandle);
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level I Closed.",
pDevItem->m_strName.c_str());
}
level1_driver_exit:
pDevItem->m_bQuit = true;
pthread_join(pDevItem->m_level1WriteThread, NULL);
pthread_join(pDevItem->m_level1ReceiveThread, NULL);
dlclose(hdll);
} else if (VSCP_DRIVER_LEVEL2 == pDevItem->m_driverLevel) {
// Now find methods in library
syslog(LOG_INFO,
"Loading level II driver: <%s>",
pDevItem->m_strName.c_str());
// * * * * VSCP OPEN * * * *
if (NULL == (pDevItem->m_proc_VSCPOpen =
(LPFNDLL_VSCPOPEN)dlsym(hdll, "VSCPOpen"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPOpen.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP CLOSE * * * *
if (NULL == (pDevItem->m_proc_VSCPClose =
(LPFNDLL_VSCPCLOSE)dlsym(hdll, "VSCPClose"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPClose.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP BLOCKINGSEND * * * *
if (NULL ==
(pDevItem->m_proc_VSCPBlockingSend =
(LPFNDLL_VSCPBLOCKINGSEND)dlsym(hdll, "VSCPBlockingSend"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPBlockingSend.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP BLOCKINGRECEIVE * * * *
if (NULL == (pDevItem->m_proc_VSCPBlockingReceive =
(LPFNDLL_VSCPBLOCKINGRECEIVE)dlsym(
hdll, "VSCPBlockingReceive"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPBlockingReceive.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP GETLEVEL * * * *
if (NULL == (pDevItem->m_proc_VSCPGetLevel =
(LPFNDLL_VSCPGETLEVEL)dlsym(hdll, "VSCPGetLevel"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPGetLevel.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP GET DLL VERSION * * * *
if (NULL ==
(pDevItem->m_proc_VSCPGetDllVersion =
(LPFNDLL_VSCPGETDLLVERSION)dlsym(hdll, "VSCPGetDllVersion"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPGetDllVersion.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP GET VENDOR STRING * * * *
if (NULL == (pDevItem->m_proc_VSCPGetVendorString =
(LPFNDLL_VSCPGETVENDORSTRING)dlsym(
hdll, "VSCPGetVendorString"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPGetVendorString.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP GET DRIVER INFO * * * *
if (NULL ==
(pDevItem->m_proc_CanalGetdriverInfo =
(LPFNDLL_VSCPGETVENDORSTRING)dlsym(hdll, "VSCPGetDriverInfo"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPGetDriverInfo.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP GET WEB PAGE TEMPLATE * * * *
if (NULL == (pDevItem->m_proc_VSCPGetWebPageTemplate =
(LPFNDLL_VSCPGETWEBPAGETEMPLATE)dlsym(
hdll, "VSCPGetWebPageTemplate"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPGetWebPageTemplate.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP GET WEB PAGE INFO * * * *
if (NULL ==
(pDevItem->m_proc_VSCPGetWebPageInfo =
(LPFNDLL_VSCPGETWEBPAGEINFO)dlsym(hdll, "VSCPGetWebPageInfo"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPGetWebPageInfo.",
pDevItem->m_strName.c_str());
return NULL;
}
// * * * * VSCP WEB PAGE UPDATE * * * *
if (NULL ==
(pDevItem->m_proc_VSCPWebPageupdate =
(LPFNDLL_VSCPWEBPAGEUPDATE)dlsym(hdll, "VSCPWebPageupdate"))) {
// Free the library
syslog(LOG_ERR,
"%s: Unable to get dl entry for VSCPWebPageupdate.",
pDevItem->m_strName.c_str());
return NULL;
}
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: Discovered all methods\n",
pDevItem->m_strName.c_str());
}
// Username, password, host and port can be set in configuration file.
// Read in them here if they are.
std::string strHost("127.0.0.1");
short port = 9598;
std::deque<std::string> tokens;
vscp_split(tokens, pDevItem->m_strParameter, ";");
if (false == tokens.empty()) {
CVariable variable;
// Get prefix
std::string prefix = tokens.front();
tokens.pop_front();
// Check if username is specified in the configuration file
CUserItem *pAdminUser =
pDevItem->m_pCtrlObject->m_userList.getUser(USER_ID_ADMIN);
if (pCtrlObj->m_variables.find(
pDevItem->m_strName + "_username", pAdminUser, variable)) {
std::string str;
if (VSCP_DAEMON_VARIABLE_CODE_STRING == variable.getType()) {
str = variable.getValue();
pCtrlObj->m_driverUsername = str;
}
}
// Check if password is specified in the configuration file
if (pCtrlObj->m_variables.find(
pDevItem->m_strName + "_password", pAdminUser, variable)) {
std::string str;
if (VSCP_DAEMON_VARIABLE_CODE_STRING == variable.getType()) {
str = variable.getValue();
pCtrlObj->m_driverPassword = str;
}
}
// Check if host is specified in the configuration file
if (pCtrlObj->m_variables.find(
pDevItem->m_strName + "_host", pAdminUser, variable)) {
std::string str;
if (VSCP_DAEMON_VARIABLE_CODE_STRING == variable.getType()) {
str = variable.getValue();
strHost = str;
}
}
// Check if host is specified in the configuration file
if (pCtrlObj->m_variables.find(
pDevItem->m_strName + "_port", pAdminUser, variable)) {
std::string str;
if (VSCP_DAEMON_VARIABLE_CODE_INTEGER == variable.getType()) {
str = variable.getValue();
port = vscp_readStringValue(str);
}
}
}
// Open up the driver
pDevItem->m_openHandle = pDevItem->m_proc_VSCPOpen(
pCtrlObj->m_driverUsername.c_str(),
(const char *)pCtrlObj->m_driverPassword.c_str(),
(const char *)strHost.c_str(),
port,
(const char *)pDevItem->m_strName.c_str(),
(const char *)pDevItem->m_strParameter.c_str());
if (0 == pDevItem->m_openHandle) {
// Free the library
syslog(LOG_ERR,
"%s: [Device tread] Unable to open VSCP "
"driver (check username/password/path/"
"rights). Possible additional info from driver "
"in syslog.",
pDevItem->m_strName.c_str());
return NULL;
}
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level II Open.",
pDevItem->m_strName.c_str());
}
/////////////////////////////////////////////////////////////////////////////
// Device write worker thread
/////////////////////////////////////////////////////////////////////////////
if (pthread_create(&pDevItem->m_level2WriteThread,
NULL,
deviceLevel2WriteThread,
pDevItem)) {
syslog(LOG_CRIT,
"%s: Unable to run the device Level II write worker thread.",
pDevItem->m_strName.c_str());
dlclose(hdll);
return NULL; // TODO close dll
}
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level II Write thread created.",
pDevItem->m_strName.c_str());
}
/////////////////////////////////////////////////////////////////////////////
// Device read worker thread
/////////////////////////////////////////////////////////////////////////////
if (pthread_create(&pDevItem->m_level2ReceiveThread,
NULL,
deviceLevel2ReceiveThread,
pDevItem)) {
syslog(LOG_CRIT,
"%s: Unable to run the device Level II read worker thread.",
pDevItem->m_strName.c_str());
pDevItem->m_bQuit = true;
pthread_join(pDevItem->m_level2WriteThread, NULL);
dlclose(hdll);
return NULL; // TODO close dll, kill other thread
}
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level II Write thread created.",
pDevItem->m_strName.c_str());
}
// Just sit and wait until the end of the world as we know it...
while (!pDevItem->m_bQuit) {
sleep(1);
}
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level II Closing.",
pDevItem->m_strName.c_str());
}
// Close channel
pDevItem->m_proc_VSCPClose(pDevItem->m_openHandle);
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level II Closed.",
pDevItem->m_strName.c_str());
}
level2_driver_exit:
pDevItem->m_bQuit = true;
pthread_join(pDevItem->m_level2WriteThread, NULL);
pthread_join(pDevItem->m_level2ReceiveThread, NULL);
// Unload dll
dlclose(hdll);
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level II Done waiting for threads.",
pDevItem->m_strName.c_str());
}
} else if (VSCP_DRIVER_LEVEL3 == pDevItem->m_driverLevel) {
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level III Start server loop.",
pDevItem->m_strName.c_str());
}
// Just sit and wait until the end of the world as we know it...
while (!pDevItem->m_bQuit) {
sleep(1);
}
if (pCtrlObj->m_debugFlags[0] & VSCP_DEBUG1_DRIVER) {
syslog(LOG_DEBUG,
"%s: [Device tread] Level II End server loop.",
pDevItem->m_strName.c_str());
}
}
// Remove messages in the client queues
pthread_mutex_lock(&pCtrlObj->m_clientList.m_mutexItemList);
pCtrlObj->removeClient(pClientItem);
pthread_mutex_unlock(&pCtrlObj->m_clientList.m_mutexItemList);
return NULL;
}