QueryObjectsStorage::QueryObjectsStorage(std::string hsgrPath, std::string ramIndexPath, std::string fileIndexPath, std::string nodesPath, std::string edgesPath, std::string namesPath, std::string timestampPath) {
INFO("loading graph data");
std::ifstream hsgrInStream(hsgrPath.c_str(), std::ios::binary);
if(!hsgrInStream) { ERR(hsgrPath << " not found"); }
//Deserialize road network graph
std::vector< QueryGraph::_StrNode> nodeList;
std::vector< QueryGraph::_StrEdge> edgeList;
const int n = readHSGRFromStream(hsgrInStream, nodeList, edgeList, &checkSum);
INFO("Data checksum is " << checkSum);
graph = new QueryGraph(nodeList, edgeList);
assert(0 == nodeList.size());
assert(0 == edgeList.size());
if(timestampPath.length()) {
INFO("Loading Timestamp");
std::ifstream timestampInStream(timestampPath.c_str());
if(!timestampInStream) { ERR(timestampPath << " not found"); }
getline(timestampInStream, timestamp);
timestampInStream.close();
}
if(!timestamp.length())
timestamp = "n/a";
if(25 < timestamp.length())
timestamp.resize(25);
INFO("Loading auxiliary information");
//Init nearest neighbor data structure
std::ifstream nodesInStream(nodesPath.c_str(), std::ios::binary);
if(!nodesInStream) { ERR(nodesPath << " not found"); }
std::ifstream edgesInStream(edgesPath.c_str(), std::ios::binary);
if(!edgesInStream) { ERR(edgesPath << " not found"); }
nodeHelpDesk = new NodeInformationHelpDesk(ramIndexPath.c_str(), fileIndexPath.c_str(), n, checkSum, graph);
nodeHelpDesk->initNNGrid(nodesInStream, edgesInStream);
//deserialize street name list
INFO("Loading names index");
std::ifstream namesInStream(namesPath.c_str(), std::ios::binary);
if(!namesInStream) { ERR(namesPath << " not found"); }
unsigned size(0);
namesInStream.read((char *)&size, sizeof(unsigned));
// names = new std::vector<std::string>();
char buf[1024];
for(unsigned i = 0; i < size; ++i) {
unsigned sizeOfString = 0;
namesInStream.read((char *)&sizeOfString, sizeof(unsigned));
buf[sizeOfString] = '\0'; // instead of memset
namesInStream.read(buf, sizeOfString);
names.push_back(buf);
}
std::vector<std::string>(names).swap(names);
hsgrInStream.close();
namesInStream.close();
INFO("All query data structures loaded");
}
QueryObjectsStorage::QueryObjectsStorage(
const std::string & hsgrPath,
const std::string & ramIndexPath,
const std::string & fileIndexPath,
const std::string & nodesPath,
const std::string & edgesPath,
const std::string & namesPath,
const std::string & timestampPath
) {
if( hsgrPath.empty() ) {
throw OSRMException("no hsgr file given in ini file");
}
if( ramIndexPath.empty() ) {
throw OSRMException("no ram index file given in ini file");
}
if( fileIndexPath.empty() ) {
throw OSRMException("no mem index file given in ini file");
}
if( nodesPath.empty() ) {
throw OSRMException("no nodes file given in ini file");
}
if( edgesPath.empty() ) {
throw OSRMException("no edges file given in ini file");
}
if( namesPath.empty() ) {
throw OSRMException("no names file given in ini file");
}
SimpleLogger().Write() << "loading graph data";
//Deserialize road network graph
std::vector< QueryGraph::_StrNode> nodeList;
std::vector< QueryGraph::_StrEdge> edgeList;
const int n = readHSGRFromStream(
hsgrPath,
nodeList,
edgeList,
&checkSum
);
SimpleLogger().Write() << "Data checksum is " << checkSum;
graph = new QueryGraph(nodeList, edgeList);
assert(0 == nodeList.size());
assert(0 == edgeList.size());
if(timestampPath.length()) {
SimpleLogger().Write() << "Loading Timestamp";
std::ifstream timestampInStream(timestampPath.c_str());
if(!timestampInStream) {
SimpleLogger().Write(logWARNING) << timestampPath << " not found";
}
getline(timestampInStream, timestamp);
timestampInStream.close();
}
if(!timestamp.length()) {
timestamp = "n/a";
}
if(25 < timestamp.length()) {
timestamp.resize(25);
}
SimpleLogger().Write() << "Loading auxiliary information";
//Init nearest neighbor data structure
nodeHelpDesk = new NodeInformationHelpDesk(
ramIndexPath,
fileIndexPath,
nodesPath,
edgesPath,
n,
checkSum
);
//deserialize street name list
SimpleLogger().Write() << "Loading names index";
boost::filesystem::path names_file(namesPath);
if ( !boost::filesystem::exists( names_file ) ) {
throw OSRMException("names file does not exist");
}
if ( 0 == boost::filesystem::file_size( names_file ) ) {
throw OSRMException("names file is empty");
}
boost::filesystem::ifstream name_stream(names_file, std::ios::binary);
unsigned size = 0;
name_stream.read((char *)&size, sizeof(unsigned));
BOOST_ASSERT_MSG(0 != size, "name file empty");
char buf[1024];
for( unsigned i = 0; i < size; ++i ) {
unsigned size_of_string = 0;
name_stream.read((char *)&size_of_string, sizeof(unsigned));
buf[size_of_string] = '\0'; // instead of memset
name_stream.read(buf, size_of_string);
names.push_back(buf);
}
std::vector<std::string>(names).swap(names);
BOOST_ASSERT_MSG(0 != names.size(), "could not load any names");
name_stream.close();
SimpleLogger().Write() << "All query data structures loaded";
}
