void devsXMLInitialize(void)
{
// initialize only if 10 minutes have passed since last init
long lMinutes = getDBCacheAge()/60;
if ((lMinutes < 0) || (lMinutes > 10))
{
CURL *curl = 0;
CURLcode res;
ohciDb.memory = (char *)malloc(1); /* will be grown as needed by the realloc above */
ohciDb.size = 0; /* no data at this point */
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if (curl)
{
curl_easy_setopt(curl, CURLOPT_URL, "http://www.tctechnologies.tc/appdata/ohci1394db.xml/");
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(curl, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_ALL);
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 5L);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L); // the http URL redirects to an https URL
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writer);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&ohciDb);
res = curl_easy_perform(curl);
if (CURLE_OK != res)
{
printf ("curl error %d \n", (int)res);
}
// printf("%s", ohciDb.memory);
curl_easy_cleanup(curl);
}
timeval curTime;
gettimeofday (&curTime, NULL);
gLastLoadTime = curTime.tv_sec;
parseOhciDB();
}
}
long findControllerInfoXML(fwi::OHCI1394_DEV_INFO * devInfo)
{
MSXML2::IXMLDOMNodeList *pNodes=NULL;
MSXML2::IXMLDOMNode *pNode=NULL;
static VARIANT_BOOL status;
static VARIANT var;
BSTR bstr = NULL;
HRESULT hr;
long num_controllers;
long num_attributes;
BOOL bVendorMatch = FALSE;
BOOL bDeviceMatch = FALSE;
long lMinutes = 0;
MSXML2::IXMLDOMElementPtr pXMLDocElement = NULL;
MSXML2::IXMLDOMNodeListPtr pXMLDomNodeList = NULL;
VariantInit(&var);
// the URL below has a server-side redirect to the actual xml file in the svn repo
var = VariantString(L"http://www.tctechnologies.tc/appdata/ohci1394db.xml");
// reload online file if cached data is stale
lMinutes = getDBCacheAge();
if ( (lMinutes < 0) || (lMinutes > 10) )
{
if (gpXMLDom) gpXMLDom->Release();
gpXMLDom = DomFromCOM();
if (!gpXMLDom) return 1;
HRCALL(gpXMLDom->load(var, &status), "dom->load(): ");
if (status!=VARIANT_TRUE)
{
if (&var) VariantClear(&var);
return FWI_ERROR_FILE_NOT_FOUND;
}
else
{
GetLocalTime(&gLastLoadTime);
}
}
gpXMLDom->get_documentElement(&pXMLDocElement);
pXMLDocElement->selectNodes(TEXT("//controller"), &pXMLDomNodeList);
pXMLDomNodeList->get_length(&num_controllers);
for (long n=0; n<num_controllers; n++)
{
TCHAR buf[32];
StringCchPrintf( buf, 20, TEXT("//controller[%i]/*"), n);
// Query the node-set.
HRCALL(gpXMLDom->selectNodes(buf, &pNodes), "selectNodes ");
if (!pNodes) {
ReportParseError(gpXMLDom, "Error while calling selectNodes ");
}
else {
HRCALL(pNodes->get_length(&num_attributes), "get_length: ");
for (long i=0; i<num_attributes; i++) {
if (pNode) pNode->Release();
HRCALL(pNodes->get_item(i, &pNode), "get_item: ");
if (bstr) SysFreeString(bstr);
HRCALL(pNode->get_nodeName(&bstr), "get_nodeName: ");
if (_tcsicmp((TCHAR*)bstr,TEXT("vendorid"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
if (_tcsicmp((TCHAR*)nodeTextStr, devInfo->vendorId)==0)
{
bVendorMatch = TRUE;
}
SysFreeString(nodeTextStr);
}
else if (_tcsicmp((TCHAR*)bstr,TEXT("deviceid"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
if (_tcsicmp((TCHAR*)nodeTextStr, devInfo->deviceId)==0)
{
bDeviceMatch = TRUE;
}
SysFreeString(nodeTextStr);
}
if (bVendorMatch)
{
if ( (_tcsicmp((TCHAR*)bstr,TEXT("vendorname"))==0) && (_tcsicmp(TEXT("Unknown"),&devInfo->vendorName[0]))==0 )
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
_tcscpy_s(&devInfo->vendorName[0], VENDOR_SIZE, nodeTextStr);
SysFreeString(nodeTextStr);
}
}
if (bVendorMatch && bDeviceMatch)
{
devInfo->bFound = TRUE;
if (_tcsicmp((TCHAR*)bstr,TEXT("chipset"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
_tcscpy_s(&devInfo->chipset[0], CHIPSET_SIZE, nodeTextStr);
SysFreeString(nodeTextStr);
}
else if (_tcsicmp((TCHAR*)bstr,TEXT("maxtx"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
_tcscpy_s(&devInfo->maxTx[0], NUM_STR_SIZE, nodeTextStr);
SysFreeString(nodeTextStr);
}
else if (_tcsicmp((TCHAR*)bstr,TEXT("maxrx"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
_tcscpy_s(&devInfo->maxRx[0], NUM_STR_SIZE, nodeTextStr);
SysFreeString(nodeTextStr);
}
else if (_tcsicmp((TCHAR*)bstr,TEXT("maxspeed"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
swscanf_s(nodeTextStr, TEXT("%04d"), &devInfo->maxspeed);
SysFreeString(nodeTextStr);
}
else if (_tcsicmp((TCHAR*)bstr,TEXT("notes"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
_tcscpy_s(&devInfo->notes[0], NOTES_SIZE, nodeTextStr);
SysFreeString(nodeTextStr);
}
else if (_tcsicmp((TCHAR*)bstr,TEXT("support"))==0)
{
BSTR nodeTextStr;
HRCALL(pNode->get_text(&nodeTextStr), "get_text: ");
swscanf_s(nodeTextStr, TEXT("%04x"), &devInfo->support);
devInfo->bValid = true;
SysFreeString(nodeTextStr);
if (&var) VariantClear(&var);
if (bstr) SysFreeString(bstr);
if (pNodes) pNodes->Release();
if (pNode) pNode->Release();
return FWI_NO_ERROR;
}
}
}
}
}
clean:
if (&var) VariantClear(&var);
if (bstr) SysFreeString(bstr);
if (pNodes) pNodes->Release();
if (pNode) pNode->Release();
return FWI_ERROR_END_OF_FILE;
}