Method ReadCache

cpp/src/Driver.cpp:699–838

----------------------------------------------------------------------------- Read our configuration from an XML document -----------------------------------------------------------------------------

// Read our configuration from an XML document
//-----------------------------------------------------------------------------
bool Driver::ReadCache
(
)
{
	char str[32];
	int32 intVal;

	// Load the XML document that contains the driver configuration
	string userPath;
	Options::Get()->GetOptionAsString( "UserPath", &userPath );

	snprintf( str, sizeof(str), "ozwcache_0x%08x.xml", m_homeId );
	string filename =  userPath + string(str);

	TiXmlDocument doc;
	if( !doc.LoadFile( filename.c_str(), TIXML_ENCODING_UTF8 ) )
	{
		return false;
	}
	doc.SetUserData((void *)filename.c_str());
	TiXmlElement const* driverElement = doc.RootElement();

	// Version
	if( TIXML_SUCCESS != driverElement->QueryIntAttribute( "version", &intVal ) || (uint32)intVal != c_configVersion )
	{
		Log::Write( LogLevel_Warning, "WARNING: Driver::ReadCache - %s is from an older version of OpenZWave and cannot be loaded.", filename.c_str() );
		return false;
	}

	// Capabilities
	if( TIXML_SUCCESS == driverElement->QueryIntAttribute( "revision", &intVal ) )
	{
		m_mfs->setLatestRevision(intVal);
	}


	// Home ID
	char const* homeIdStr = driverElement->Attribute( "home_id" );
	if( homeIdStr )
	{
		char* p;
		uint32 homeId = (uint32)strtoul( homeIdStr, &p, 0 );

		if( homeId != m_homeId )
		{
			Log::Write( LogLevel_Warning, "WARNING: Driver::ReadCache - Home ID in file %s is incorrect", filename.c_str() );
			return false;
		}
	}
	else
	{
		Log::Write( LogLevel_Warning, "WARNING: Driver::ReadCache - Home ID is missing from file %s", filename.c_str() );
		return false;
	}

	// Node ID
	if( TIXML_SUCCESS == driverElement->QueryIntAttribute( "node_id", &intVal ) )
	{