int SSDPCache::RemoveStale()
{
int nCount = 0;
TaskTime ttNow;
QStringList lstKeys;
gettimeofday( (&ttNow), NULL );
Lock();
// ----------------------------------------------------------------------
// Iterate through all Type URI's and build list of stale entries keys
// ----------------------------------------------------------------------
for (SSDPCacheEntriesMap::Iterator it = m_cache.begin();
it != m_cache.end();
++it )
{
SSDPCacheEntries *pEntries = *it;
if (pEntries != NULL)
{
pEntries->AddRef();
nCount += pEntries->RemoveStale( ttNow );
if (pEntries->Count() == 0)
lstKeys.append( it.key() );
pEntries->Release();
}
}
Unlock();
nCount = lstKeys.count();
// ----------------------------------------------------------------------
// Iterate through list of keys and remove them.
// (This avoids issues when removing from a QMap while iterating it)
// ----------------------------------------------------------------------
for ( QStringList::Iterator itKey = lstKeys.begin();
itKey != lstKeys.end();
++itKey )
{
SSDPCacheEntriesMap::iterator it = m_cache.find( *itKey );
if (it == m_cache.end())
continue;
if (*it)
{
(*it)->Release();
m_cache.erase(it);
}
}
return nCount;
}
void SSDPCache::Dump()
{
int nCount = 0;
if (VERBOSE_LEVEL_CHECK(VB_UPNP))
{
Lock();
// ----------------------------------------------------------------------
// Build List of items to be removed
// ----------------------------------------------------------------------
VERBOSE( VB_UPNP, "===============================================================================" );
VERBOSE( VB_UPNP, QString( " URI (type) - Found: %1 Entries - %2 have been Allocated. " )
.arg( m_cache.count() )
.arg( SSDPCacheEntries::g_nAllocated ));
VERBOSE( VB_UPNP, " \t\tUSN (unique id)\t\t | Expires\t | Location" );
VERBOSE( VB_UPNP, "-------------------------------------------------------------------------------" );
for (SSDPCacheEntriesMap::Iterator it = m_cache.begin();
it != m_cache.end();
++it )
{
SSDPCacheEntries *pEntries = *it;
if (pEntries != NULL)
{
VERBOSE( VB_UPNP, it.key() );
pEntries->Lock();
EntryMap *pMap = pEntries->GetEntryMap();
for (EntryMap::Iterator itEntry = pMap->begin();
itEntry != pMap->end();
++itEntry )
{
DeviceLocation *pEntry = *itEntry;
if (pEntry != NULL)
{
nCount++;
pEntry->AddRef();
VERBOSE( VB_UPNP, QString( " * \t\t%1\t | %2\t | %3 " )
.arg( pEntry->m_sUSN )
.arg( pEntry->ExpiresInSecs() )
.arg( pEntry->m_sLocation ));
pEntry->Release();
}
}
VERBOSE( VB_UPNP, " ");
pEntries->Unlock();
}
}
VERBOSE( VB_UPNP, "-------------------------------------------------------------------------------" );
VERBOSE( VB_UPNP, QString( " Found: %1 Entries - %2 have been Allocated. " )
.arg( nCount )
.arg( DeviceLocation::g_nAllocated ));
VERBOSE( VB_UPNP, "===============================================================================" );
Unlock();
}
}
void SSDPExtension::GetDeviceList( HTTPRequest *pRequest )
{
SSDPCache* pCache = SSDPCache::Instance();
int nCount = 0;
NameValues list;
VERBOSE( VB_UPNP, "SSDPExtension::GetDeviceList" );
pCache->Lock();
QString sXML = "";
QTextStream os( &sXML, QIODevice::WriteOnly );
for (SSDPCacheEntriesMap::Iterator it = pCache->Begin();
it != pCache->End();
++it )
{
SSDPCacheEntries *pEntries = *it;
if (pEntries != NULL)
{
os << "<Device uri='" << it.key() << "'>" << endl;
pEntries->Lock();
EntryMap *pMap = pEntries->GetEntryMap();
for (EntryMap::Iterator itEntry = pMap->begin();
itEntry != pMap->end();
++itEntry )
{
DeviceLocation *pEntry = *itEntry;
if (pEntry != NULL)
{
nCount++;
pEntry->AddRef();
os << "<Service usn='" << pEntry->m_sUSN
<< "' expiresInSecs='" << pEntry->ExpiresInSecs()
<< "' url='" << pEntry->m_sLocation << "' />" << endl;
pEntry->Release();
}
}
os << "</Device>" << endl;
pEntries->Unlock();
}
}
os << flush;
list.push_back( NameValue("DeviceCount" , pCache->Count() ));
list.push_back( NameValue("DevicesAllocated" , SSDPCacheEntries::g_nAllocated));
list.push_back( NameValue("CacheEntriesFound" , nCount ));
list.push_back( NameValue("CacheEntriesAllocated", DeviceLocation::g_nAllocated ));
list.push_back( NameValue("DeviceList" , sXML ));
pCache->Unlock();
pRequest->FormatActionResponse( list );
pRequest->m_eResponseType = ResponseTypeXML;
pRequest->m_nResponseStatus = 200;
}
