/** \fn ObjCarousel::AddModuleData(unsigned long,DsmccDb*,const unsigned char*)
* \brief We have received a block for a module.
*
* Add it to the module and process the module if it's now complete.
*/
void ObjCarousel::AddModuleData(unsigned long carousel, DsmccDb *ddb,
const unsigned char *data)
{
LOG(VB_DSMCC, LOG_INFO,
QString("[dsmcc] Data block on carousel %1").arg(m_id));
// Search the saved module info for this module
QLinkedList<DSMCCCacheModuleData*>::iterator it = m_Cache.begin();
DSMCCCacheModuleData *cachep = NULL;
for (; it != m_Cache.end(); ++it)
{
cachep = *it;
if (cachep->CarouselId() == carousel &&
(cachep->ModuleId() == ddb->module_id))
{
break;
}
}
if (cachep == NULL)
return; // Not found module info.
// Add the block to the module
unsigned char *tmp_data = cachep->AddModuleData(ddb, data);
if (tmp_data)
{
// It is complete and we have the data
unsigned int len = cachep->DataSize();
unsigned long curp = 0;
LOG(VB_DSMCC, LOG_INFO,
QString("[biop] Module size (uncompressed) = %1") .arg(len));
// Now process the BIOP tables in this module.
// Tables may be file contents or the descriptions of
// directories or service gateways (root directories).
while (curp < len)
{
BiopMessage bm;
if (!bm.Process(cachep, &filecache, tmp_data, &curp))
break;
}
free(tmp_data);
}
}
void ObjCarousel::AddModuleInfo(DsmccDii *dii, Dsmcc *status,
unsigned short streamTag)
{
for (int i = 0; i < dii->number_modules; i++)
{
DsmccModuleInfo *info = &(dii->modules[i]);
// Do we already know this module?
// If so and it is the same version we don't need to do anything.
// If the version has changed we have to replace it.
QLinkedList<DSMCCCacheModuleData*>::iterator it = m_Cache.begin();
for ( ; it != m_Cache.end(); ++it)
{
DSMCCCacheModuleData *cachep = *it;
if (cachep->CarouselId() == dii->download_id &&
cachep->ModuleId() == info->module_id)
{
/* already known */
if (cachep->Version() == info->module_version)
{
VERBOSE(VB_DSMCC, QString("[dsmcc] Already Know "
"Module %1")
.arg(info->module_id));
if (cachep->ModuleSize() == info->module_size)
return;
// It seems that when ITV4 starts broadcasting it
// updates the contents of a file but doesn't
// update the version. This is a work-around.
VERBOSE(VB_DSMCC, QString("[dsmcc] Module %1 size "
"has changed (%2 to %3) "
"but version has not!!")
.arg(info->module_id)
.arg(info->module_size)
.arg(cachep->DataSize()));
}
// Version has changed - Drop old data.
VERBOSE(VB_DSMCC, QString("[dsmcc] Updated "
"Module %1")
.arg(info->module_id));
// Remove and delete the cache object.
m_Cache.erase(it);
delete cachep;
break;
}
}
VERBOSE(VB_DSMCC, QString("[dsmcc] Saving info for module %1")
.arg(dii->modules[i].module_id));
// Create a new cache module data object.
DSMCCCacheModuleData *cachep = new DSMCCCacheModuleData(dii, info, streamTag);
int tag = info->modinfo.tap.assoc_tag;
VERBOSE(VB_DSMCC, QString("[dsmcc] Module info tap "
"identifies tag %1 with carousel %2\n")
.arg(tag).arg(cachep->CarouselId()));
// If a carousel with this id does not exist create it.
status->AddTap(tag, cachep->CarouselId());
// Add this module to the cache.
m_Cache.append(cachep);
}
}