/**
* @brief get all tiles that are below this tile on the next zoom level.
* Used by RequestManager to enqueue meta tile for pre-rendering.
*/
void MetaIdentifier::getSubIdentifiers(std::vector<shared_ptr<MetaIdentifier>>& tiles) const
{
int z = this->zoom + 1;
int x = this->x*2;
int y = this->y*2;
int n = META_TILE_SIZE;
tiles.push_back(boost::make_shared<MetaIdentifier>(TileIdentifier(x, y, z, styleSheetpath, imageFormat)));
if (x+n < (1 << z))
tiles.push_back(boost::make_shared<MetaIdentifier>(TileIdentifier(x+n, y, z, styleSheetpath, imageFormat)));
if (y+n < (1 << z))
tiles.push_back(boost::make_shared<MetaIdentifier>(TileIdentifier(x, y+n, z, styleSheetpath, imageFormat)));
if (x+n < (1 << z) && y+n < (1 << z))
tiles.push_back(boost::make_shared<MetaIdentifier>(TileIdentifier(x+n, y+n, z, styleSheetpath, imageFormat)));
}
// calls must be locked by write-lock
void StylesheetManager::onNewStylesheet(const fs::path& stylesheet_path)
{
// lock the weak_ptr to manager
shared_ptr<RequestManager> manager = this->manager.lock();
assert(manager);
shared_ptr<Stylesheet> stylesheet;
int timeout = config->get<int>(opt::server::parse_timeout);
try {
std::string new_filename = stylesheet_path.filename().string() + ".mapcss";
fs::path filename(new_filename);
stylesheet = Stylesheet::Load(stylesheetFolder / filename, manager->getGeodata(), timeout);
} catch(excp::ParseException& e)
{
shared_ptr<ParserLogger> logger = *boost::get_error_info<excp::InfoParserLogger>(e);
// Something went wrong!
logger->errorStream() << "Parsing of file \"" << excp::ErrorOut<excp::InfoFileName>(e, stylesheet_path.string()) << "\" failed:";
logger->errorStream() << excp::ErrorOut<excp::InfoWhat>(e, "unknown reason!");
logger->errorStream() << "In line " << excp::ErrorOut<excp::InfoFailureLine>(e) << " column " << excp::ErrorOut<excp::InfoFailureColumn>(e) << ":";
const string* errLine = boost::get_error_info<excp::InfoFailureLineContent>(e);
const int* errColumn = boost::get_error_info<excp::InfoFailureColumn>(e);
if(errLine)
logger->errorStream() << "'" << *errLine << "'";
if(errColumn)
logger->errorStream() << string(*errColumn, ' ') << "^-here";
return;
} catch(excp::TimeoutException&)
{
shared_ptr<ParserLogger> logger = boost::make_shared<ParserLogger>(stylesheet_path.string());
logger->errorStream() << "Parsing of stylesheet " << stylesheet_path << " took more then " << timeout << " ms!";
logger->errorStream() << "Parsing canceled!";
logger->errorStream() << "You can configure the timeout via '--parse-timeout'.";
return;
}
parsedStylesheets[stylesheet_path] = stylesheet;
// prerenders the upmost tile as well as all higher zoomlevels that are specified in the configuration
manager->enqueue(boost::make_shared<MetaIdentifier>(TileIdentifier(0, 0, 0, stylesheet_path.string(), TileIdentifier::PNG)));
}
