Open-Harbor/osrm-backend
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

load coordinate list into shared memory

Browse Source
This commit is contained in:
Dennis Luxen 2013-09-27 13:14:30 +02:00
parent 2b12a16c84
commit ff7dcf9c17
1 changed files with 25 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
datastore.cpp
View File

@ -136,6 +136,20 @@ int main(int argc, char * argv[]) {
//TODO load graph node size
//TODO load graph edge size
//TODO load search tree size
//TODO load checksum
//TODO load rsearch tree size
//TODO load timestamp size
//load coordinate size
SimpleLogger().Write(logDEBUG) << "Loading coordinates list";
boost::filesystem::ifstream nodes_input_stream(
node_data_path,
std::ios::binary
);
unsigned coordinate_list_size = 0;
nodes_input_stream.read((char *)&coordinate_list_size, sizeof(unsigned));
shared_layout_ptr->coordinate_list_size = coordinate_list_size;
// allocate shared memory block
SimpleLogger().Write() << "allocating shared memory of " << shared_layout_ptr->GetSizeOfLayout() << " bytes";
@ -195,6 +209,17 @@ int main(int argc, char * argv[]) {
}
edges_input_stream.close();
// Loading list of coordinates
FixedPointCoordinate * coordinates_ptr = (FixedPointCoordinate *)(
shared_memory_ptr + shared_layout_ptr->GetCoordinateListOffset()
);
NodeInfo current_node;
for(unsigned i = 0; i < coordinate_list_size; ++i) {
nodes_input_stream.read((char *)&current_node, sizeof(NodeInfo));
coordinates_ptr[i] = FixedPointCoordinate(current_node.lat, current_node.lon);
}
nodes_input_stream.close();
@ -287,29 +312,6 @@ int main(int argc, char * argv[]) {
edges_input_stream.read((char*)&number_of_edges, sizeof(unsigned));
SimpleLogger().Write() << "number of edges: " << number_of_edges;
// Loading list of coordinates
SimpleLogger().Write(logDEBUG) << "Loading coordinates list";
boost::filesystem::ifstream nodes_input_stream(
node_data_path,
std::ios::binary
);
unsigned number_of_nodes = 0;
nodes_input_stream.read((char *)&number_of_nodes, sizeof(unsigned));
StoreIntegerInSharedMemory(number_of_nodes, COORDINATE_LIST_SIZE);
SharedMemory *coordinates_memory = SharedMemoryFactory::Get(
COORDINATE_LIST,
number_of_nodes*sizeof(FixedPointCoordinate)
);
FixedPointCoordinate * coordinates_ptr = static_cast<FixedPointCoordinate *>( coordinates_memory->Ptr() );
NodeInfo current_node;
for(unsigned i = 0; i < number_of_nodes; ++i) {
nodes_input_stream.read((char *)&current_node, sizeof(NodeInfo));
coordinates_ptr[i] = FixedPointCoordinate(current_node.lat, current_node.lon);
}
nodes_input_stream.close();
// Loading r-tree search data structure
SimpleLogger().Write() << "loading r-tree search list";
boost::filesystem::ifstream tree_node_file(