void LoadNodeAndEdgeInformation(const boost::filesystem::path &nodes_file,
const boost::filesystem::path &edges_file)
{
boost::filesystem::ifstream nodes_input_stream(nodes_file, std::ios::binary);
extractor::QueryNode current_node;
unsigned number_of_coordinates = 0;
nodes_input_stream.read((char *)&number_of_coordinates, sizeof(unsigned));
m_coordinate_list = std::make_shared<std::vector<util::Coordinate>>(number_of_coordinates);
for (unsigned i = 0; i < number_of_coordinates; ++i)
{
nodes_input_stream.read((char *)¤t_node, sizeof(extractor::QueryNode));
m_coordinate_list->at(i) = util::Coordinate(current_node.lon, current_node.lat);
BOOST_ASSERT(m_coordinate_list->at(i).IsValid());
}
boost::filesystem::ifstream edges_input_stream(edges_file, std::ios::binary);
unsigned number_of_edges = 0;
edges_input_stream.read((char *)&number_of_edges, sizeof(unsigned));
m_via_node_list.resize(number_of_edges);
m_name_ID_list.resize(number_of_edges);
m_turn_instruction_list.resize(number_of_edges);
m_travel_mode_list.resize(number_of_edges);
extractor::OriginalEdgeData current_edge_data;
for (unsigned i = 0; i < number_of_edges; ++i)
{
edges_input_stream.read((char *)&(current_edge_data),
sizeof(extractor::OriginalEdgeData));
m_via_node_list[i] = current_edge_data.via_node;
m_name_ID_list[i] = current_edge_data.name_id;
m_turn_instruction_list[i] = current_edge_data.turn_instruction;
m_travel_mode_list[i] = current_edge_data.travel_mode;
}
}
void LoadNodeAndEdgeInformation(const boost::filesystem::path &nodes_file,
const boost::filesystem::path &edges_file)
{
boost::filesystem::ifstream nodes_input_stream(nodes_file, std::ios::binary);
QueryNode current_node;
unsigned number_of_coordinates = 0;
nodes_input_stream.read((char *)&number_of_coordinates, sizeof(unsigned));
m_coordinate_list =
std::make_shared<std::vector<FixedPointCoordinate>>(number_of_coordinates);
for (unsigned i = 0; i < number_of_coordinates; ++i)
{
nodes_input_stream.read((char *)¤t_node, sizeof(QueryNode));
m_coordinate_list->at(i) = FixedPointCoordinate(current_node.lat, current_node.lon);
BOOST_ASSERT((std::abs(m_coordinate_list->at(i).lat) >> 30) == 0);
BOOST_ASSERT((std::abs(m_coordinate_list->at(i).lon) >> 30) == 0);
}
nodes_input_stream.close();
boost::filesystem::ifstream edges_input_stream(edges_file, std::ios::binary);
unsigned number_of_edges = 0;
edges_input_stream.read((char *)&number_of_edges, sizeof(unsigned));
m_via_node_list.resize(number_of_edges);
m_name_ID_list.resize(number_of_edges);
m_turn_instruction_list.resize(number_of_edges);
m_travel_mode_list.resize(number_of_edges);
m_edge_is_compressed.resize(number_of_edges);
unsigned compressed = 0;
OriginalEdgeData current_edge_data;
for (unsigned i = 0; i < number_of_edges; ++i)
{
edges_input_stream.read((char *)&(current_edge_data), sizeof(OriginalEdgeData));
m_via_node_list[i] = current_edge_data.via_node;
m_name_ID_list[i] = current_edge_data.name_id;
m_turn_instruction_list[i] = current_edge_data.turn_instruction;
m_travel_mode_list[i] = current_edge_data.travel_mode;
m_edge_is_compressed[i] = current_edge_data.compressed_geometry;
if (m_edge_is_compressed[i])
{
++compressed;
}
}
edges_input_stream.close();
}
Storage::ReturnCode Storage::Run(int max_wait)
{
BOOST_ASSERT_MSG(config.IsValid(), "Invalid storage config");
util::LogPolicy::GetInstance().Unmute();
SharedBarriers barriers;
boost::interprocess::upgradable_lock<boost::interprocess::named_upgradable_mutex>
current_regions_lock(barriers.current_regions_mutex, boost::interprocess::defer_lock);
try
{
if (!current_regions_lock.try_lock())
{
util::SimpleLogger().Write(logWARNING) << "A data update is in progress";
return ReturnCode::Error;
}
}
// hard unlock in case of any exception.
catch (boost::interprocess::lock_exception &ex)
{
barriers.current_regions_mutex.unlock_upgradable();
// make sure we exit here because this is bad
throw;
}
#ifdef __linux__
// try to disable swapping on Linux
const bool lock_flags = MCL_CURRENT | MCL_FUTURE;
if (-1 == mlockall(lock_flags))
{
util::SimpleLogger().Write(logWARNING) << "Could not request RAM lock";
}
#endif
auto regions_layout = getRegionsLayout(barriers);
const SharedDataType layout_region = regions_layout.old_layout_region;
const SharedDataType data_region = regions_layout.old_data_region;
if (max_wait > 0)
{
util::SimpleLogger().Write() << "Waiting for " << max_wait
<< " second for all queries on the old dataset to finish:";
}
else
{
util::SimpleLogger().Write() << "Waiting for all queries on the old dataset to finish:";
}
boost::interprocess::scoped_lock<boost::interprocess::named_sharable_mutex> regions_lock(
regions_layout.old_regions_mutex, boost::interprocess::defer_lock);
if (max_wait > 0)
{
if (!regions_lock.timed_lock(boost::posix_time::microsec_clock::universal_time() +
boost::posix_time::seconds(max_wait)))
{
util::SimpleLogger().Write(logWARNING) << "Queries did not finish in " << max_wait
<< " seconds. Claiming the lock by force.";
// WARNING: if queries are still using the old dataset they might crash
if (regions_layout.old_layout_region == LAYOUT_1)
{
BOOST_ASSERT(regions_layout.old_data_region == DATA_1);
barriers.resetRegions1();
}
else
{
BOOST_ASSERT(regions_layout.old_layout_region == LAYOUT_2);
BOOST_ASSERT(regions_layout.old_data_region == DATA_2);
barriers.resetRegions2();
}
return ReturnCode::Retry;
}
}
else
{
regions_lock.lock();
}
util::SimpleLogger().Write() << "Ok.";
// since we can't change the size of a shared memory regions we delete and reallocate
if (SharedMemory::RegionExists(layout_region) && !SharedMemory::Remove(layout_region))
{
throw util::exception("Could not remove " + regionToString(layout_region));
}
if (SharedMemory::RegionExists(data_region) && !SharedMemory::Remove(data_region))
{
throw util::exception("Could not remove " + regionToString(data_region));
}
// Allocate a memory layout in shared memory
auto layout_memory = makeSharedMemory(layout_region, sizeof(SharedDataLayout), true);
auto shared_layout_ptr = new (layout_memory->Ptr()) SharedDataLayout();
auto absolute_file_index_path = boost::filesystem::absolute(config.file_index_path);
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::FILE_INDEX_PATH,
absolute_file_index_path.string().length() + 1);
// collect number of elements to store in shared memory object
util::SimpleLogger().Write() << "load names from: " << config.names_data_path;
// number of entries in name index
boost::filesystem::ifstream name_stream(config.names_data_path, std::ios::binary);
if (!name_stream)
{
throw util::exception("Could not open " + config.names_data_path.string() +
" for reading.");
}
unsigned name_blocks = 0;
name_stream.read((char *)&name_blocks, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::NAME_OFFSETS, name_blocks);
shared_layout_ptr->SetBlockSize<typename util::RangeTable<16, true>::BlockT>(
SharedDataLayout::NAME_BLOCKS, name_blocks);
BOOST_ASSERT_MSG(0 != name_blocks, "name file broken");
unsigned number_of_chars = 0;
name_stream.read((char *)&number_of_chars, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::NAME_CHAR_LIST, number_of_chars);
std::vector<std::uint32_t> lane_description_offsets;
std::vector<extractor::guidance::TurnLaneType::Mask> lane_description_masks;
if (!util::deserializeAdjacencyArray(config.turn_lane_description_path.string(),
lane_description_offsets,
lane_description_masks))
throw util::exception("Failed to read lane descriptions from: " +
config.turn_lane_description_path.string());
shared_layout_ptr->SetBlockSize<std::uint32_t>(SharedDataLayout::LANE_DESCRIPTION_OFFSETS,
lane_description_offsets.size());
shared_layout_ptr->SetBlockSize<extractor::guidance::TurnLaneType::Mask>(
SharedDataLayout::LANE_DESCRIPTION_MASKS, lane_description_masks.size());
// Loading information for original edges
boost::filesystem::ifstream edges_input_stream(config.edges_data_path, std::ios::binary);
if (!edges_input_stream)
{
throw util::exception("Could not open " + config.edges_data_path.string() +
" for reading.");
}
unsigned number_of_original_edges = 0;
edges_input_stream.read((char *)&number_of_original_edges, sizeof(unsigned));
// note: settings this all to the same size is correct, we extract them from the same struct
shared_layout_ptr->SetBlockSize<NodeID>(SharedDataLayout::VIA_NODE_LIST,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::NAME_ID_LIST,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<extractor::TravelMode>(SharedDataLayout::TRAVEL_MODE,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<util::guidance::TurnBearing>(SharedDataLayout::PRE_TURN_BEARING,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<util::guidance::TurnBearing>(
SharedDataLayout::POST_TURN_BEARING, number_of_original_edges);
shared_layout_ptr->SetBlockSize<extractor::guidance::TurnInstruction>(
SharedDataLayout::TURN_INSTRUCTION, number_of_original_edges);
shared_layout_ptr->SetBlockSize<LaneDataID>(SharedDataLayout::LANE_DATA_ID,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<EntryClassID>(SharedDataLayout::ENTRY_CLASSID,
number_of_original_edges);
boost::filesystem::ifstream hsgr_input_stream(config.hsgr_data_path, std::ios::binary);
if (!hsgr_input_stream)
{
throw util::exception("Could not open " + config.hsgr_data_path.string() + " for reading.");
}
auto hsgr_header = io::readHSGRHeader(hsgr_input_stream);
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::HSGR_CHECKSUM, 1);
shared_layout_ptr->SetBlockSize<QueryGraph::NodeArrayEntry>(SharedDataLayout::GRAPH_NODE_LIST,
hsgr_header.number_of_nodes);
shared_layout_ptr->SetBlockSize<QueryGraph::EdgeArrayEntry>(SharedDataLayout::GRAPH_EDGE_LIST,
hsgr_header.number_of_edges);
// load rsearch tree size
boost::filesystem::ifstream tree_node_file(config.ram_index_path, std::ios::binary);
uint32_t tree_size = 0;
tree_node_file.read((char *)&tree_size, sizeof(uint32_t));
shared_layout_ptr->SetBlockSize<RTreeNode>(SharedDataLayout::R_SEARCH_TREE, tree_size);
// load profile properties
shared_layout_ptr->SetBlockSize<extractor::ProfileProperties>(SharedDataLayout::PROPERTIES, 1);
// read timestampsize
boost::filesystem::ifstream timestamp_stream(config.timestamp_path);
if (!timestamp_stream)
{
throw util::exception("Could not open " + config.timestamp_path.string() + " for reading.");
}
std::size_t timestamp_size = io::readTimestampSize(timestamp_stream);
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::TIMESTAMP, timestamp_size);
// load core marker size
boost::filesystem::ifstream core_marker_file(config.core_data_path, std::ios::binary);
if (!core_marker_file)
{
throw util::exception("Could not open " + config.core_data_path.string() + " for reading.");
}
uint32_t number_of_core_markers = 0;
core_marker_file.read((char *)&number_of_core_markers, sizeof(uint32_t));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::CORE_MARKER,
number_of_core_markers);
// load coordinate size
boost::filesystem::ifstream nodes_input_stream(config.nodes_data_path, std::ios::binary);
if (!nodes_input_stream)
{
throw util::exception("Could not open " + config.core_data_path.string() + " for reading.");
}
unsigned coordinate_list_size = 0;
nodes_input_stream.read((char *)&coordinate_list_size, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<util::Coordinate>(SharedDataLayout::COORDINATE_LIST,
coordinate_list_size);
// we'll read a list of OSM node IDs from the same data, so set the block size for the same
// number of items:
shared_layout_ptr->SetBlockSize<std::uint64_t>(
SharedDataLayout::OSM_NODE_ID_LIST,
util::PackedVector<OSMNodeID>::elements_to_blocks(coordinate_list_size));
// load geometries sizes
boost::filesystem::ifstream geometry_input_stream(config.geometries_path, std::ios::binary);
if (!geometry_input_stream)
{
throw util::exception("Could not open " + config.geometries_path.string() +
" for reading.");
}
unsigned number_of_geometries_indices = 0;
unsigned number_of_compressed_geometries = 0;
geometry_input_stream.read((char *)&number_of_geometries_indices, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::GEOMETRIES_INDEX,
number_of_geometries_indices);
boost::iostreams::seek(
geometry_input_stream, number_of_geometries_indices * sizeof(unsigned), BOOST_IOS::cur);
geometry_input_stream.read((char *)&number_of_compressed_geometries, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<extractor::CompressedEdgeContainer::CompressedEdge>(
SharedDataLayout::GEOMETRIES_LIST, number_of_compressed_geometries);
// load datasource sizes. This file is optional, and it's non-fatal if it doesn't
// exist.
boost::filesystem::ifstream geometry_datasource_input_stream(config.datasource_indexes_path,
std::ios::binary);
if (!geometry_datasource_input_stream)
{
throw util::exception("Could not open " + config.datasource_indexes_path.string() +
" for reading.");
}
std::uint64_t number_of_compressed_datasources = 0;
if (geometry_datasource_input_stream)
{
geometry_datasource_input_stream.read(
reinterpret_cast<char *>(&number_of_compressed_datasources),
sizeof(number_of_compressed_datasources));
}
shared_layout_ptr->SetBlockSize<uint8_t>(SharedDataLayout::DATASOURCES_LIST,
number_of_compressed_datasources);
// Load datasource name sizes. This file is optional, and it's non-fatal if it doesn't
// exist
boost::filesystem::ifstream datasource_names_input_stream(config.datasource_names_path,
std::ios::binary);
if (!datasource_names_input_stream)
{
throw util::exception("Could not open " + config.datasource_names_path.string() +
" for reading.");
}
std::vector<char> m_datasource_name_data;
std::vector<std::size_t> m_datasource_name_offsets;
std::vector<std::size_t> m_datasource_name_lengths;
if (datasource_names_input_stream)
{
std::string name;
while (std::getline(datasource_names_input_stream, name))
{
m_datasource_name_offsets.push_back(m_datasource_name_data.size());
std::copy(name.c_str(),
name.c_str() + name.size(),
std::back_inserter(m_datasource_name_data));
m_datasource_name_lengths.push_back(name.size());
}
}
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::DATASOURCE_NAME_DATA,
m_datasource_name_data.size());
shared_layout_ptr->SetBlockSize<std::size_t>(SharedDataLayout::DATASOURCE_NAME_OFFSETS,
m_datasource_name_offsets.size());
shared_layout_ptr->SetBlockSize<std::size_t>(SharedDataLayout::DATASOURCE_NAME_LENGTHS,
m_datasource_name_lengths.size());
boost::filesystem::ifstream intersection_stream(config.intersection_class_path,
std::ios::binary);
if (!static_cast<bool>(intersection_stream))
throw util::exception("Could not open " + config.intersection_class_path.string() +
" for reading.");
if (!util::readAndCheckFingerprint(intersection_stream))
throw util::exception("Fingerprint of " + config.intersection_class_path.string() +
" does not match or could not read from file");
std::vector<BearingClassID> bearing_class_id_table;
if (!util::deserializeVector(intersection_stream, bearing_class_id_table))
throw util::exception("Failed to bearing class ids read from " +
config.names_data_path.string());
shared_layout_ptr->SetBlockSize<BearingClassID>(SharedDataLayout::BEARING_CLASSID,
bearing_class_id_table.size());
unsigned bearing_blocks = 0;
intersection_stream.read((char *)&bearing_blocks, sizeof(unsigned));
unsigned sum_lengths = 0;
intersection_stream.read((char *)&sum_lengths, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::BEARING_OFFSETS, bearing_blocks);
shared_layout_ptr->SetBlockSize<typename util::RangeTable<16, true>::BlockT>(
SharedDataLayout::BEARING_BLOCKS, bearing_blocks);
std::vector<unsigned> bearing_offsets_data(bearing_blocks);
std::vector<typename util::RangeTable<16, true>::BlockT> bearing_blocks_data(bearing_blocks);
if (bearing_blocks)
{
intersection_stream.read(reinterpret_cast<char *>(&bearing_offsets_data[0]),
bearing_blocks * sizeof(bearing_offsets_data[0]));
}
if (bearing_blocks)
{
intersection_stream.read(reinterpret_cast<char *>(&bearing_blocks_data[0]),
bearing_blocks * sizeof(bearing_blocks_data[0]));
}
std::uint64_t num_bearings;
intersection_stream.read(reinterpret_cast<char *>(&num_bearings), sizeof(num_bearings));
std::vector<DiscreteBearing> bearing_class_table(num_bearings);
intersection_stream.read(reinterpret_cast<char *>(&bearing_class_table[0]),
sizeof(bearing_class_table[0]) * num_bearings);
shared_layout_ptr->SetBlockSize<DiscreteBearing>(SharedDataLayout::BEARING_VALUES,
num_bearings);
// Loading turn lane data
boost::filesystem::ifstream lane_data_stream(config.turn_lane_data_path, std::ios::binary);
std::uint64_t lane_tupel_count = 0;
lane_data_stream.read(reinterpret_cast<char *>(&lane_tupel_count), sizeof(lane_tupel_count));
shared_layout_ptr->SetBlockSize<util::guidance::LaneTupleIdPair>(
SharedDataLayout::TURN_LANE_DATA, lane_tupel_count);
if (!static_cast<bool>(intersection_stream))
throw util::exception("Failed to read bearing values from " +
config.intersection_class_path.string());
std::vector<util::guidance::EntryClass> entry_class_table;
if (!util::deserializeVector(intersection_stream, entry_class_table))
throw util::exception("Failed to read entry classes from " +
config.intersection_class_path.string());
shared_layout_ptr->SetBlockSize<util::guidance::EntryClass>(SharedDataLayout::ENTRY_CLASS,
entry_class_table.size());
// allocate shared memory block
util::SimpleLogger().Write() << "allocating shared memory of "
<< shared_layout_ptr->GetSizeOfLayout() << " bytes";
auto shared_memory = makeSharedMemory(data_region, shared_layout_ptr->GetSizeOfLayout(), true);
char *shared_memory_ptr = static_cast<char *>(shared_memory->Ptr());
// read actual data into shared memory object //
// hsgr checksum
unsigned *checksum_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::HSGR_CHECKSUM);
*checksum_ptr = hsgr_header.checksum;
// ram index file name
char *file_index_path_ptr = shared_layout_ptr->GetBlockPtr<char, true>(
shared_memory_ptr, SharedDataLayout::FILE_INDEX_PATH);
// make sure we have 0 ending
std::fill(file_index_path_ptr,
file_index_path_ptr +
shared_layout_ptr->GetBlockSize(SharedDataLayout::FILE_INDEX_PATH),
0);
std::copy(absolute_file_index_path.string().begin(),
absolute_file_index_path.string().end(),
file_index_path_ptr);
// Loading street names
unsigned *name_offsets_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::NAME_OFFSETS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_OFFSETS) > 0)
{
name_stream.read((char *)name_offsets_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_OFFSETS));
}
unsigned *name_blocks_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::NAME_BLOCKS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_BLOCKS) > 0)
{
name_stream.read((char *)name_blocks_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_BLOCKS));
}
char *name_char_ptr = shared_layout_ptr->GetBlockPtr<char, true>(
shared_memory_ptr, SharedDataLayout::NAME_CHAR_LIST);
unsigned temp_length = 0;
name_stream.read((char *)&temp_length, sizeof(unsigned));
BOOST_ASSERT_MSG(shared_layout_ptr->AlignBlockSize(temp_length) ==
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_CHAR_LIST),
"Name file corrupted!");
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_CHAR_LIST) > 0)
{
name_stream.read(name_char_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_CHAR_LIST));
}
name_stream.close();
// make sure do write canary...
auto *turn_lane_data_ptr =
shared_layout_ptr->GetBlockPtr<util::guidance::LaneTupleIdPair, true>(
shared_memory_ptr, SharedDataLayout::TURN_LANE_DATA);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::TURN_LANE_DATA) > 0)
{
lane_data_stream.read(reinterpret_cast<char *>(turn_lane_data_ptr),
shared_layout_ptr->GetBlockSize(SharedDataLayout::TURN_LANE_DATA));
}
lane_data_stream.close();
auto *turn_lane_offset_ptr = shared_layout_ptr->GetBlockPtr<std::uint32_t, true>(
shared_memory_ptr, SharedDataLayout::LANE_DESCRIPTION_OFFSETS);
if (!lane_description_offsets.empty())
{
BOOST_ASSERT(shared_layout_ptr->GetBlockSize(SharedDataLayout::LANE_DESCRIPTION_OFFSETS) >=
sizeof(lane_description_offsets[0]) * lane_description_offsets.size());
std::copy(
lane_description_offsets.begin(), lane_description_offsets.end(), turn_lane_offset_ptr);
std::vector<std::uint32_t> tmp;
lane_description_offsets.swap(tmp);
}
auto *turn_lane_mask_ptr =
shared_layout_ptr->GetBlockPtr<extractor::guidance::TurnLaneType::Mask, true>(
shared_memory_ptr, SharedDataLayout::LANE_DESCRIPTION_MASKS);
if (!lane_description_masks.empty())
{
BOOST_ASSERT(shared_layout_ptr->GetBlockSize(SharedDataLayout::LANE_DESCRIPTION_MASKS) >=
sizeof(lane_description_masks[0]) * lane_description_masks.size());
std::copy(lane_description_masks.begin(), lane_description_masks.end(), turn_lane_mask_ptr);
std::vector<extractor::guidance::TurnLaneType::Mask> tmp;
lane_description_masks.swap(tmp);
}
// load original edge information
GeometryID *via_geometry_ptr = shared_layout_ptr->GetBlockPtr<GeometryID, true>(
shared_memory_ptr, SharedDataLayout::VIA_NODE_LIST);
unsigned *name_id_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::NAME_ID_LIST);
extractor::TravelMode *travel_mode_ptr =
shared_layout_ptr->GetBlockPtr<extractor::TravelMode, true>(shared_memory_ptr,
SharedDataLayout::TRAVEL_MODE);
util::guidance::TurnBearing *pre_turn_bearing_ptr =
shared_layout_ptr->GetBlockPtr<util::guidance::TurnBearing, true>(
shared_memory_ptr, SharedDataLayout::PRE_TURN_BEARING);
util::guidance::TurnBearing *post_turn_bearing_ptr =
shared_layout_ptr->GetBlockPtr<util::guidance::TurnBearing, true>(
shared_memory_ptr, SharedDataLayout::POST_TURN_BEARING);
LaneDataID *lane_data_id_ptr = shared_layout_ptr->GetBlockPtr<LaneDataID, true>(
shared_memory_ptr, SharedDataLayout::LANE_DATA_ID);
extractor::guidance::TurnInstruction *turn_instructions_ptr =
shared_layout_ptr->GetBlockPtr<extractor::guidance::TurnInstruction, true>(
shared_memory_ptr, SharedDataLayout::TURN_INSTRUCTION);
EntryClassID *entry_class_id_ptr = shared_layout_ptr->GetBlockPtr<EntryClassID, true>(
shared_memory_ptr, SharedDataLayout::ENTRY_CLASSID);
extractor::OriginalEdgeData current_edge_data;
for (unsigned i = 0; i < number_of_original_edges; ++i)
{
edges_input_stream.read((char *)&(current_edge_data), sizeof(extractor::OriginalEdgeData));
via_geometry_ptr[i] = current_edge_data.via_geometry;
name_id_ptr[i] = current_edge_data.name_id;
travel_mode_ptr[i] = current_edge_data.travel_mode;
lane_data_id_ptr[i] = current_edge_data.lane_data_id;
turn_instructions_ptr[i] = current_edge_data.turn_instruction;
entry_class_id_ptr[i] = current_edge_data.entry_classid;
pre_turn_bearing_ptr[i] = current_edge_data.pre_turn_bearing;
post_turn_bearing_ptr[i] = current_edge_data.post_turn_bearing;
}
edges_input_stream.close();
// load compressed geometry
unsigned temporary_value;
unsigned *geometries_index_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::GEOMETRIES_INDEX);
geometry_input_stream.seekg(0, geometry_input_stream.beg);
geometry_input_stream.read((char *)&temporary_value, sizeof(unsigned));
BOOST_ASSERT(temporary_value ==
shared_layout_ptr->num_entries[SharedDataLayout::GEOMETRIES_INDEX]);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_INDEX) > 0)
{
geometry_input_stream.read(
(char *)geometries_index_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_INDEX));
}
extractor::CompressedEdgeContainer::CompressedEdge *geometries_list_ptr =
shared_layout_ptr->GetBlockPtr<extractor::CompressedEdgeContainer::CompressedEdge, true>(
shared_memory_ptr, SharedDataLayout::GEOMETRIES_LIST);
geometry_input_stream.read((char *)&temporary_value, sizeof(unsigned));
BOOST_ASSERT(temporary_value ==
shared_layout_ptr->num_entries[SharedDataLayout::GEOMETRIES_LIST]);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_LIST) > 0)
{
geometry_input_stream.read(
(char *)geometries_list_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_LIST));
}
// load datasource information (if it exists)
uint8_t *datasources_list_ptr = shared_layout_ptr->GetBlockPtr<uint8_t, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCES_LIST);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCES_LIST) > 0)
{
geometry_datasource_input_stream.read(
reinterpret_cast<char *>(datasources_list_ptr),
shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCES_LIST));
}
// load datasource name information (if it exists)
char *datasource_name_data_ptr = shared_layout_ptr->GetBlockPtr<char, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCE_NAME_DATA);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCE_NAME_DATA) > 0)
{
std::copy(
m_datasource_name_data.begin(), m_datasource_name_data.end(), datasource_name_data_ptr);
}
auto datasource_name_offsets_ptr = shared_layout_ptr->GetBlockPtr<std::size_t, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCE_NAME_OFFSETS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCE_NAME_OFFSETS) > 0)
{
std::copy(m_datasource_name_offsets.begin(),
m_datasource_name_offsets.end(),
datasource_name_offsets_ptr);
}
auto datasource_name_lengths_ptr = shared_layout_ptr->GetBlockPtr<std::size_t, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCE_NAME_LENGTHS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCE_NAME_LENGTHS) > 0)
{
std::copy(m_datasource_name_lengths.begin(),
m_datasource_name_lengths.end(),
datasource_name_lengths_ptr);
}
// Loading list of coordinates
util::Coordinate *coordinates_ptr = shared_layout_ptr->GetBlockPtr<util::Coordinate, true>(
shared_memory_ptr, SharedDataLayout::COORDINATE_LIST);
std::uint64_t *osmnodeid_ptr = shared_layout_ptr->GetBlockPtr<std::uint64_t, true>(
shared_memory_ptr, SharedDataLayout::OSM_NODE_ID_LIST);
util::PackedVector<OSMNodeID, true> osmnodeid_list;
osmnodeid_list.reset(osmnodeid_ptr,
shared_layout_ptr->num_entries[SharedDataLayout::OSM_NODE_ID_LIST]);
extractor::QueryNode current_node;
for (unsigned i = 0; i < coordinate_list_size; ++i)
{
nodes_input_stream.read((char *)¤t_node, sizeof(extractor::QueryNode));
coordinates_ptr[i] = util::Coordinate(current_node.lon, current_node.lat);
osmnodeid_list.push_back(current_node.node_id);
}
nodes_input_stream.close();
// store timestamp
char *timestamp_ptr =
shared_layout_ptr->GetBlockPtr<char, true>(shared_memory_ptr, SharedDataLayout::TIMESTAMP);
io::readTimestamp(timestamp_stream, timestamp_ptr, timestamp_size);
// store search tree portion of rtree
char *rtree_ptr = shared_layout_ptr->GetBlockPtr<char, true>(shared_memory_ptr,
SharedDataLayout::R_SEARCH_TREE);
if (tree_size > 0)
{
tree_node_file.read(rtree_ptr, sizeof(RTreeNode) * tree_size);
}
tree_node_file.close();
// load core markers
std::vector<char> unpacked_core_markers(number_of_core_markers);
core_marker_file.read((char *)unpacked_core_markers.data(),
sizeof(char) * number_of_core_markers);
unsigned *core_marker_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::CORE_MARKER);
for (auto i = 0u; i < number_of_core_markers; ++i)
{
BOOST_ASSERT(unpacked_core_markers[i] == 0 || unpacked_core_markers[i] == 1);
if (unpacked_core_markers[i] == 1)
{
const unsigned bucket = i / 32;
const unsigned offset = i % 32;
const unsigned value = [&] {
unsigned return_value = 0;
if (0 != offset)
{
return_value = core_marker_ptr[bucket];
}
return return_value;
}();
core_marker_ptr[bucket] = (value | (1u << offset));
}
}
// load the nodes of the search graph
QueryGraph::NodeArrayEntry *graph_node_list_ptr =
shared_layout_ptr->GetBlockPtr<QueryGraph::NodeArrayEntry, true>(
shared_memory_ptr, SharedDataLayout::GRAPH_NODE_LIST);
// load the edges of the search graph
QueryGraph::EdgeArrayEntry *graph_edge_list_ptr =
shared_layout_ptr->GetBlockPtr<QueryGraph::EdgeArrayEntry, true>(
shared_memory_ptr, SharedDataLayout::GRAPH_EDGE_LIST);
io::readHSGR(hsgr_input_stream,
graph_node_list_ptr,
hsgr_header.number_of_nodes,
graph_edge_list_ptr,
hsgr_header.number_of_edges);
hsgr_input_stream.close();
// load profile properties
auto profile_properties_ptr =
shared_layout_ptr->GetBlockPtr<extractor::ProfileProperties, true>(
shared_memory_ptr, SharedDataLayout::PROPERTIES);
boost::filesystem::ifstream profile_properties_stream(config.properties_path);
if (!profile_properties_stream)
{
util::exception("Could not open " + config.properties_path.string() + " for reading!");
}
profile_properties_stream.read(reinterpret_cast<char *>(profile_properties_ptr),
sizeof(extractor::ProfileProperties));
// load intersection classes
if (!bearing_class_id_table.empty())
{
auto bearing_id_ptr = shared_layout_ptr->GetBlockPtr<BearingClassID, true>(
shared_memory_ptr, SharedDataLayout::BEARING_CLASSID);
std::copy(bearing_class_id_table.begin(), bearing_class_id_table.end(), bearing_id_ptr);
}
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::BEARING_OFFSETS) > 0)
{
auto *bearing_offsets_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::BEARING_OFFSETS);
std::copy(bearing_offsets_data.begin(), bearing_offsets_data.end(), bearing_offsets_ptr);
}
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::BEARING_BLOCKS) > 0)
{
auto *bearing_blocks_ptr =
shared_layout_ptr->GetBlockPtr<typename util::RangeTable<16, true>::BlockT, true>(
shared_memory_ptr, SharedDataLayout::BEARING_BLOCKS);
std::copy(bearing_blocks_data.begin(), bearing_blocks_data.end(), bearing_blocks_ptr);
}
if (!bearing_class_table.empty())
{
auto bearing_class_ptr = shared_layout_ptr->GetBlockPtr<DiscreteBearing, true>(
shared_memory_ptr, SharedDataLayout::BEARING_VALUES);
std::copy(bearing_class_table.begin(), bearing_class_table.end(), bearing_class_ptr);
}
if (!entry_class_table.empty())
{
auto entry_class_ptr = shared_layout_ptr->GetBlockPtr<util::guidance::EntryClass, true>(
shared_memory_ptr, SharedDataLayout::ENTRY_CLASS);
std::copy(entry_class_table.begin(), entry_class_table.end(), entry_class_ptr);
}
auto data_type_memory = makeSharedMemory(CURRENT_REGIONS, sizeof(SharedDataTimestamp), true);
SharedDataTimestamp *data_timestamp_ptr =
static_cast<SharedDataTimestamp *>(data_type_memory->Ptr());
{
boost::interprocess::scoped_lock<boost::interprocess::named_upgradable_mutex>
current_regions_exclusive_lock;
if (max_wait > 0)
{
util::SimpleLogger().Write() << "Waiting for " << max_wait
<< " seconds to write new dataset timestamp";
auto end_time = boost::posix_time::microsec_clock::universal_time() +
boost::posix_time::seconds(max_wait);
current_regions_exclusive_lock =
boost::interprocess::scoped_lock<boost::interprocess::named_upgradable_mutex>(
std::move(current_regions_lock), end_time);
if (!current_regions_exclusive_lock.owns())
{
util::SimpleLogger().Write(logWARNING) << "Aquiring the lock timed out after "
<< max_wait
<< " seconds. Claiming the lock by force.";
current_regions_lock.unlock();
current_regions_lock.release();
storage::SharedBarriers::resetCurrentRegions();
return ReturnCode::Retry;
}
}
else
{
util::SimpleLogger().Write() << "Waiting to write new dataset timestamp";
current_regions_exclusive_lock =
boost::interprocess::scoped_lock<boost::interprocess::named_upgradable_mutex>(
std::move(current_regions_lock));
}
util::SimpleLogger().Write() << "Ok.";
data_timestamp_ptr->layout = layout_region;
data_timestamp_ptr->data = data_region;
data_timestamp_ptr->timestamp += 1;
}
util::SimpleLogger().Write() << "All data loaded.";
return ReturnCode::Ok;
}
int Storage::Run()
{
BOOST_ASSERT_MSG(config.IsValid(), "Invalid storage config");
util::LogPolicy::GetInstance().Unmute();
SharedBarriers barrier;
#ifdef __linux__
// try to disable swapping on Linux
const bool lock_flags = MCL_CURRENT | MCL_FUTURE;
if (-1 == mlockall(lock_flags))
{
util::SimpleLogger().Write(logWARNING) << "Could not request RAM lock";
}
#endif
try
{
boost::interprocess::scoped_lock<boost::interprocess::named_mutex> pending_lock(
barrier.pending_update_mutex);
}
catch (...)
{
// hard unlock in case of any exception.
barrier.pending_update_mutex.unlock();
}
// determine segment to use
bool segment2_in_use = SharedMemory::RegionExists(LAYOUT_2);
const storage::SharedDataType layout_region = [&] {
return segment2_in_use ? LAYOUT_1 : LAYOUT_2;
}();
const storage::SharedDataType data_region = [&] { return segment2_in_use ? DATA_1 : DATA_2; }();
const storage::SharedDataType previous_layout_region = [&] {
return segment2_in_use ? LAYOUT_2 : LAYOUT_1;
}();
const storage::SharedDataType previous_data_region = [&] {
return segment2_in_use ? DATA_2 : DATA_1;
}();
// Allocate a memory layout in shared memory, deallocate previous
auto *layout_memory = makeSharedMemory(layout_region, sizeof(SharedDataLayout));
auto shared_layout_ptr = new (layout_memory->Ptr()) SharedDataLayout();
auto absolute_file_index_path = boost::filesystem::absolute(config.file_index_path);
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::FILE_INDEX_PATH,
absolute_file_index_path.string().length() + 1);
// collect number of elements to store in shared memory object
util::SimpleLogger().Write() << "load names from: " << config.names_data_path;
// number of entries in name index
boost::filesystem::ifstream name_stream(config.names_data_path, std::ios::binary);
if (!name_stream)
{
throw util::exception("Could not open " + config.names_data_path.string() +
" for reading.");
}
unsigned name_blocks = 0;
name_stream.read((char *)&name_blocks, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::NAME_OFFSETS, name_blocks);
shared_layout_ptr->SetBlockSize<typename util::RangeTable<16, true>::BlockT>(
SharedDataLayout::NAME_BLOCKS, name_blocks);
util::SimpleLogger().Write() << "name offsets size: " << name_blocks;
BOOST_ASSERT_MSG(0 != name_blocks, "name file broken");
unsigned number_of_chars = 0;
name_stream.read((char *)&number_of_chars, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::NAME_CHAR_LIST, number_of_chars);
std::vector<std::uint32_t> lane_description_offsets;
std::vector<extractor::guidance::TurnLaneType::Mask> lane_description_masks;
if (!util::deserializeAdjacencyArray(config.turn_lane_description_path.string(),
lane_description_offsets,
lane_description_masks))
throw util::exception("Failed to read lane descriptions from: " +
config.turn_lane_description_path.string());
shared_layout_ptr->SetBlockSize<std::uint32_t>(SharedDataLayout::LANE_DESCRIPTION_OFFSETS,
lane_description_offsets.size());
shared_layout_ptr->SetBlockSize<extractor::guidance::TurnLaneType::Mask>(
SharedDataLayout::LANE_DESCRIPTION_MASKS, lane_description_masks.size());
// Loading information for original edges
boost::filesystem::ifstream edges_input_stream(config.edges_data_path, std::ios::binary);
if (!edges_input_stream)
{
throw util::exception("Could not open " + config.edges_data_path.string() +
" for reading.");
}
unsigned number_of_original_edges = 0;
edges_input_stream.read((char *)&number_of_original_edges, sizeof(unsigned));
// note: settings this all to the same size is correct, we extract them from the same struct
shared_layout_ptr->SetBlockSize<NodeID>(SharedDataLayout::VIA_NODE_LIST,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::NAME_ID_LIST,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<extractor::TravelMode>(SharedDataLayout::TRAVEL_MODE,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<extractor::guidance::TurnInstruction>(
SharedDataLayout::TURN_INSTRUCTION, number_of_original_edges);
shared_layout_ptr->SetBlockSize<LaneDataID>(SharedDataLayout::LANE_DATA_ID,
number_of_original_edges);
shared_layout_ptr->SetBlockSize<EntryClassID>(SharedDataLayout::ENTRY_CLASSID,
number_of_original_edges);
boost::filesystem::ifstream hsgr_input_stream(config.hsgr_data_path, std::ios::binary);
if (!hsgr_input_stream)
{
throw util::exception("Could not open " + config.hsgr_data_path.string() + " for reading.");
}
util::FingerPrint fingerprint_valid = util::FingerPrint::GetValid();
util::FingerPrint fingerprint_loaded;
hsgr_input_stream.read((char *)&fingerprint_loaded, sizeof(util::FingerPrint));
if (fingerprint_loaded.TestGraphUtil(fingerprint_valid))
{
util::SimpleLogger().Write(logDEBUG) << "Fingerprint checked out ok";
}
else
{
util::SimpleLogger().Write(logWARNING) << ".hsgr was prepared with different build. "
"Reprocess to get rid of this warning.";
}
// load checksum
unsigned checksum = 0;
hsgr_input_stream.read((char *)&checksum, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::HSGR_CHECKSUM, 1);
// load graph node size
unsigned number_of_graph_nodes = 0;
hsgr_input_stream.read((char *)&number_of_graph_nodes, sizeof(unsigned));
BOOST_ASSERT_MSG((0 != number_of_graph_nodes), "number of nodes is zero");
shared_layout_ptr->SetBlockSize<QueryGraph::NodeArrayEntry>(SharedDataLayout::GRAPH_NODE_LIST,
number_of_graph_nodes);
// load graph edge size
unsigned number_of_graph_edges = 0;
hsgr_input_stream.read((char *)&number_of_graph_edges, sizeof(unsigned));
// BOOST_ASSERT_MSG(0 != number_of_graph_edges, "number of graph edges is zero");
shared_layout_ptr->SetBlockSize<QueryGraph::EdgeArrayEntry>(SharedDataLayout::GRAPH_EDGE_LIST,
number_of_graph_edges);
// load rsearch tree size
boost::filesystem::ifstream tree_node_file(config.ram_index_path, std::ios::binary);
uint32_t tree_size = 0;
tree_node_file.read((char *)&tree_size, sizeof(uint32_t));
shared_layout_ptr->SetBlockSize<RTreeNode>(SharedDataLayout::R_SEARCH_TREE, tree_size);
// load profile properties
shared_layout_ptr->SetBlockSize<extractor::ProfileProperties>(SharedDataLayout::PROPERTIES, 1);
// load timestamp size
boost::filesystem::ifstream timestamp_stream(config.timestamp_path);
std::string m_timestamp;
getline(timestamp_stream, m_timestamp);
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::TIMESTAMP, m_timestamp.length());
// load core marker size
boost::filesystem::ifstream core_marker_file(config.core_data_path, std::ios::binary);
if (!core_marker_file)
{
throw util::exception("Could not open " + config.core_data_path.string() + " for reading.");
}
uint32_t number_of_core_markers = 0;
core_marker_file.read((char *)&number_of_core_markers, sizeof(uint32_t));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::CORE_MARKER,
number_of_core_markers);
// load coordinate size
boost::filesystem::ifstream nodes_input_stream(config.nodes_data_path, std::ios::binary);
if (!nodes_input_stream)
{
throw util::exception("Could not open " + config.core_data_path.string() + " for reading.");
}
unsigned coordinate_list_size = 0;
nodes_input_stream.read((char *)&coordinate_list_size, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<util::Coordinate>(SharedDataLayout::COORDINATE_LIST,
coordinate_list_size);
// we'll read a list of OSM node IDs from the same data, so set the block size for the same
// number of items:
shared_layout_ptr->SetBlockSize<std::uint64_t>(
SharedDataLayout::OSM_NODE_ID_LIST,
util::PackedVector<OSMNodeID>::elements_to_blocks(coordinate_list_size));
// load geometries sizes
boost::filesystem::ifstream geometry_input_stream(config.geometries_path, std::ios::binary);
if (!geometry_input_stream)
{
throw util::exception("Could not open " + config.geometries_path.string() +
" for reading.");
}
unsigned number_of_geometries_indices = 0;
unsigned number_of_compressed_geometries = 0;
geometry_input_stream.read((char *)&number_of_geometries_indices, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::GEOMETRIES_INDEX,
number_of_geometries_indices);
boost::iostreams::seek(
geometry_input_stream, number_of_geometries_indices * sizeof(unsigned), BOOST_IOS::cur);
geometry_input_stream.read((char *)&number_of_compressed_geometries, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<extractor::CompressedEdgeContainer::CompressedEdge>(
SharedDataLayout::GEOMETRIES_LIST, number_of_compressed_geometries);
// load datasource sizes. This file is optional, and it's non-fatal if it doesn't
// exist.
boost::filesystem::ifstream geometry_datasource_input_stream(config.datasource_indexes_path,
std::ios::binary);
if (!geometry_datasource_input_stream)
{
throw util::exception("Could not open " + config.datasource_indexes_path.string() +
" for reading.");
}
std::size_t number_of_compressed_datasources = 0;
if (geometry_datasource_input_stream)
{
geometry_datasource_input_stream.read(
reinterpret_cast<char *>(&number_of_compressed_datasources), sizeof(std::size_t));
}
shared_layout_ptr->SetBlockSize<uint8_t>(SharedDataLayout::DATASOURCES_LIST,
number_of_compressed_datasources);
// Load datasource name sizes. This file is optional, and it's non-fatal if it doesn't
// exist
boost::filesystem::ifstream datasource_names_input_stream(config.datasource_names_path,
std::ios::binary);
if (!datasource_names_input_stream)
{
throw util::exception("Could not open " + config.datasource_names_path.string() +
" for reading.");
}
std::vector<char> m_datasource_name_data;
std::vector<std::size_t> m_datasource_name_offsets;
std::vector<std::size_t> m_datasource_name_lengths;
if (datasource_names_input_stream)
{
std::string name;
while (std::getline(datasource_names_input_stream, name))
{
m_datasource_name_offsets.push_back(m_datasource_name_data.size());
std::copy(name.c_str(),
name.c_str() + name.size(),
std::back_inserter(m_datasource_name_data));
m_datasource_name_lengths.push_back(name.size());
}
}
shared_layout_ptr->SetBlockSize<char>(SharedDataLayout::DATASOURCE_NAME_DATA,
m_datasource_name_data.size());
shared_layout_ptr->SetBlockSize<std::size_t>(SharedDataLayout::DATASOURCE_NAME_OFFSETS,
m_datasource_name_offsets.size());
shared_layout_ptr->SetBlockSize<std::size_t>(SharedDataLayout::DATASOURCE_NAME_LENGTHS,
m_datasource_name_lengths.size());
boost::filesystem::ifstream intersection_stream(config.intersection_class_path,
std::ios::binary);
if (!static_cast<bool>(intersection_stream))
throw util::exception("Could not open " + config.intersection_class_path.string() +
" for reading.");
if (!util::readAndCheckFingerprint(intersection_stream))
throw util::exception("Fingerprint of " + config.intersection_class_path.string() +
" does not match or could not read from file");
std::vector<BearingClassID> bearing_class_id_table;
if (!util::deserializeVector(intersection_stream, bearing_class_id_table))
throw util::exception("Failed to bearing class ids read from " +
config.names_data_path.string());
shared_layout_ptr->SetBlockSize<BearingClassID>(SharedDataLayout::BEARING_CLASSID,
bearing_class_id_table.size());
unsigned bearing_blocks = 0;
intersection_stream.read((char *)&bearing_blocks, sizeof(unsigned));
unsigned sum_lengths = 0;
intersection_stream.read((char *)&sum_lengths, sizeof(unsigned));
shared_layout_ptr->SetBlockSize<unsigned>(SharedDataLayout::BEARING_OFFSETS, bearing_blocks);
shared_layout_ptr->SetBlockSize<typename util::RangeTable<16, true>::BlockT>(
SharedDataLayout::BEARING_BLOCKS, bearing_blocks);
std::vector<unsigned> bearing_offsets_data(bearing_blocks);
std::vector<typename util::RangeTable<16, true>::BlockT> bearing_blocks_data(bearing_blocks);
if (bearing_blocks)
{
intersection_stream.read(reinterpret_cast<char *>(&bearing_offsets_data[0]),
bearing_blocks * sizeof(bearing_offsets_data[0]));
}
if (bearing_blocks)
{
intersection_stream.read(reinterpret_cast<char *>(&bearing_blocks_data[0]),
bearing_blocks * sizeof(bearing_blocks_data[0]));
}
std::uint64_t num_bearings;
intersection_stream.read(reinterpret_cast<char*>(&num_bearings),sizeof(num_bearings));
std::vector<DiscreteBearing> bearing_class_table(num_bearings);
intersection_stream.read(reinterpret_cast<char *>(&bearing_class_table[0]),
sizeof(bearing_class_table[0]) * num_bearings);
shared_layout_ptr->SetBlockSize<DiscreteBearing>(SharedDataLayout::BEARING_VALUES,
num_bearings);
// Loading turn lane data
boost::filesystem::ifstream lane_data_stream(config.turn_lane_data_path, std::ios::binary);
std::uint64_t lane_tupel_count = 0;
lane_data_stream.read(reinterpret_cast<char *>(&lane_tupel_count), sizeof(lane_tupel_count));
shared_layout_ptr->SetBlockSize<util::guidance::LaneTupelIdPair>(
SharedDataLayout::TURN_LANE_DATA, lane_tupel_count);
if (!static_cast<bool>(intersection_stream))
throw util::exception("Failed to read bearing values from " +
config.intersection_class_path.string());
std::vector<util::guidance::EntryClass> entry_class_table;
if (!util::deserializeVector(intersection_stream, entry_class_table))
throw util::exception("Failed to read entry classes from " +
config.intersection_class_path.string());
shared_layout_ptr->SetBlockSize<util::guidance::EntryClass>(SharedDataLayout::ENTRY_CLASS,
entry_class_table.size());
// allocate shared memory block
util::SimpleLogger().Write() << "allocating shared memory of "
<< shared_layout_ptr->GetSizeOfLayout() << " bytes";
auto *shared_memory = makeSharedMemory(data_region, shared_layout_ptr->GetSizeOfLayout());
char *shared_memory_ptr = static_cast<char *>(shared_memory->Ptr());
// read actual data into shared memory object //
// hsgr checksum
unsigned *checksum_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::HSGR_CHECKSUM);
*checksum_ptr = checksum;
// ram index file name
char *file_index_path_ptr = shared_layout_ptr->GetBlockPtr<char, true>(
shared_memory_ptr, SharedDataLayout::FILE_INDEX_PATH);
// make sure we have 0 ending
std::fill(file_index_path_ptr,
file_index_path_ptr +
shared_layout_ptr->GetBlockSize(SharedDataLayout::FILE_INDEX_PATH),
0);
std::copy(absolute_file_index_path.string().begin(),
absolute_file_index_path.string().end(),
file_index_path_ptr);
// Loading street names
unsigned *name_offsets_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::NAME_OFFSETS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_OFFSETS) > 0)
{
name_stream.read((char *)name_offsets_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_OFFSETS));
}
unsigned *name_blocks_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::NAME_BLOCKS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_BLOCKS) > 0)
{
name_stream.read((char *)name_blocks_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_BLOCKS));
}
char *name_char_ptr = shared_layout_ptr->GetBlockPtr<char, true>(
shared_memory_ptr, SharedDataLayout::NAME_CHAR_LIST);
unsigned temp_length = 0;
name_stream.read((char *)&temp_length, sizeof(unsigned));
BOOST_ASSERT_MSG(shared_layout_ptr->AlignBlockSize(temp_length) ==
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_CHAR_LIST),
"Name file corrupted!");
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_CHAR_LIST) > 0)
{
name_stream.read(name_char_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::NAME_CHAR_LIST));
}
name_stream.close();
// make sure do write canary...
auto *turn_lane_data_ptr =
shared_layout_ptr->GetBlockPtr<util::guidance::LaneTupelIdPair, true>(
shared_memory_ptr, SharedDataLayout::TURN_LANE_DATA);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::TURN_LANE_DATA) > 0)
{
lane_data_stream.read(reinterpret_cast<char *>(turn_lane_data_ptr),
shared_layout_ptr->GetBlockSize(SharedDataLayout::TURN_LANE_DATA));
}
lane_data_stream.close();
auto *turn_lane_offset_ptr = shared_layout_ptr->GetBlockPtr<std::uint32_t, true>(
shared_memory_ptr, SharedDataLayout::LANE_DESCRIPTION_OFFSETS);
if (!lane_description_offsets.empty())
{
BOOST_ASSERT(shared_layout_ptr->GetBlockSize(SharedDataLayout::LANE_DESCRIPTION_OFFSETS) >=
sizeof(lane_description_offsets[0]) * lane_description_offsets.size());
std::copy(
lane_description_offsets.begin(), lane_description_offsets.end(), turn_lane_offset_ptr);
std::vector<std::uint32_t> tmp;
lane_description_offsets.swap(tmp);
}
auto *turn_lane_mask_ptr =
shared_layout_ptr->GetBlockPtr<extractor::guidance::TurnLaneType::Mask, true>(
shared_memory_ptr, SharedDataLayout::LANE_DESCRIPTION_MASKS);
if (!lane_description_masks.empty())
{
BOOST_ASSERT(shared_layout_ptr->GetBlockSize(SharedDataLayout::LANE_DESCRIPTION_MASKS) >=
sizeof(lane_description_masks[0]) * lane_description_masks.size());
std::copy(lane_description_masks.begin(), lane_description_masks.end(), turn_lane_mask_ptr);
std::vector<extractor::guidance::TurnLaneType::Mask> tmp;
lane_description_masks.swap(tmp);
}
// load original edge information
NodeID *via_node_ptr = shared_layout_ptr->GetBlockPtr<NodeID, true>(
shared_memory_ptr, SharedDataLayout::VIA_NODE_LIST);
unsigned *name_id_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::NAME_ID_LIST);
extractor::TravelMode *travel_mode_ptr =
shared_layout_ptr->GetBlockPtr<extractor::TravelMode, true>(shared_memory_ptr,
SharedDataLayout::TRAVEL_MODE);
LaneDataID *lane_data_id_ptr = shared_layout_ptr->GetBlockPtr<LaneDataID, true>(
shared_memory_ptr, SharedDataLayout::LANE_DATA_ID);
extractor::guidance::TurnInstruction *turn_instructions_ptr =
shared_layout_ptr->GetBlockPtr<extractor::guidance::TurnInstruction, true>(
shared_memory_ptr, SharedDataLayout::TURN_INSTRUCTION);
EntryClassID *entry_class_id_ptr = shared_layout_ptr->GetBlockPtr<EntryClassID, true>(
shared_memory_ptr, SharedDataLayout::ENTRY_CLASSID);
extractor::OriginalEdgeData current_edge_data;
for (unsigned i = 0; i < number_of_original_edges; ++i)
{
edges_input_stream.read((char *)&(current_edge_data), sizeof(extractor::OriginalEdgeData));
via_node_ptr[i] = current_edge_data.via_node;
name_id_ptr[i] = current_edge_data.name_id;
travel_mode_ptr[i] = current_edge_data.travel_mode;
lane_data_id_ptr[i] = current_edge_data.lane_data_id;
turn_instructions_ptr[i] = current_edge_data.turn_instruction;
entry_class_id_ptr[i] = current_edge_data.entry_classid;
}
edges_input_stream.close();
// load compressed geometry
unsigned temporary_value;
unsigned *geometries_index_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::GEOMETRIES_INDEX);
geometry_input_stream.seekg(0, geometry_input_stream.beg);
geometry_input_stream.read((char *)&temporary_value, sizeof(unsigned));
BOOST_ASSERT(temporary_value ==
shared_layout_ptr->num_entries[SharedDataLayout::GEOMETRIES_INDEX]);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_INDEX) > 0)
{
geometry_input_stream.read(
(char *)geometries_index_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_INDEX));
}
extractor::CompressedEdgeContainer::CompressedEdge *geometries_list_ptr =
shared_layout_ptr->GetBlockPtr<extractor::CompressedEdgeContainer::CompressedEdge, true>(
shared_memory_ptr, SharedDataLayout::GEOMETRIES_LIST);
geometry_input_stream.read((char *)&temporary_value, sizeof(unsigned));
BOOST_ASSERT(temporary_value ==
shared_layout_ptr->num_entries[SharedDataLayout::GEOMETRIES_LIST]);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_LIST) > 0)
{
geometry_input_stream.read(
(char *)geometries_list_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::GEOMETRIES_LIST));
}
// load datasource information (if it exists)
uint8_t *datasources_list_ptr = shared_layout_ptr->GetBlockPtr<uint8_t, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCES_LIST);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCES_LIST) > 0)
{
geometry_datasource_input_stream.read(
reinterpret_cast<char *>(datasources_list_ptr),
shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCES_LIST));
}
// load datasource name information (if it exists)
char *datasource_name_data_ptr = shared_layout_ptr->GetBlockPtr<char, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCE_NAME_DATA);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCE_NAME_DATA) > 0)
{
util::SimpleLogger().Write()
<< "Copying " << (m_datasource_name_data.end() - m_datasource_name_data.begin())
<< " chars into name data ptr";
std::copy(
m_datasource_name_data.begin(), m_datasource_name_data.end(), datasource_name_data_ptr);
}
auto datasource_name_offsets_ptr = shared_layout_ptr->GetBlockPtr<std::size_t, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCE_NAME_OFFSETS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCE_NAME_OFFSETS) > 0)
{
std::copy(m_datasource_name_offsets.begin(),
m_datasource_name_offsets.end(),
datasource_name_offsets_ptr);
}
auto datasource_name_lengths_ptr = shared_layout_ptr->GetBlockPtr<std::size_t, true>(
shared_memory_ptr, SharedDataLayout::DATASOURCE_NAME_LENGTHS);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::DATASOURCE_NAME_LENGTHS) > 0)
{
std::copy(m_datasource_name_lengths.begin(),
m_datasource_name_lengths.end(),
datasource_name_lengths_ptr);
}
// Loading list of coordinates
util::Coordinate *coordinates_ptr = shared_layout_ptr->GetBlockPtr<util::Coordinate, true>(
shared_memory_ptr, SharedDataLayout::COORDINATE_LIST);
std::uint64_t *osmnodeid_ptr = shared_layout_ptr->GetBlockPtr<std::uint64_t, true>(
shared_memory_ptr, SharedDataLayout::OSM_NODE_ID_LIST);
util::PackedVector<OSMNodeID, true> osmnodeid_list;
osmnodeid_list.reset(
osmnodeid_ptr, shared_layout_ptr->num_entries[storage::SharedDataLayout::OSM_NODE_ID_LIST]);
extractor::QueryNode current_node;
for (unsigned i = 0; i < coordinate_list_size; ++i)
{
nodes_input_stream.read((char *)¤t_node, sizeof(extractor::QueryNode));
coordinates_ptr[i] = util::Coordinate(current_node.lon, current_node.lat);
osmnodeid_list.push_back(current_node.node_id);
}
nodes_input_stream.close();
// store timestamp
char *timestamp_ptr =
shared_layout_ptr->GetBlockPtr<char, true>(shared_memory_ptr, SharedDataLayout::TIMESTAMP);
std::copy(m_timestamp.c_str(), m_timestamp.c_str() + m_timestamp.length(), timestamp_ptr);
// store search tree portion of rtree
char *rtree_ptr = shared_layout_ptr->GetBlockPtr<char, true>(shared_memory_ptr,
SharedDataLayout::R_SEARCH_TREE);
if (tree_size > 0)
{
tree_node_file.read(rtree_ptr, sizeof(RTreeNode) * tree_size);
}
tree_node_file.close();
// load core markers
std::vector<char> unpacked_core_markers(number_of_core_markers);
core_marker_file.read((char *)unpacked_core_markers.data(),
sizeof(char) * number_of_core_markers);
unsigned *core_marker_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::CORE_MARKER);
for (auto i = 0u; i < number_of_core_markers; ++i)
{
BOOST_ASSERT(unpacked_core_markers[i] == 0 || unpacked_core_markers[i] == 1);
if (unpacked_core_markers[i] == 1)
{
const unsigned bucket = i / 32;
const unsigned offset = i % 32;
const unsigned value = [&] {
unsigned return_value = 0;
if (0 != offset)
{
return_value = core_marker_ptr[bucket];
}
return return_value;
}();
core_marker_ptr[bucket] = (value | (1u << offset));
}
}
// load the nodes of the search graph
QueryGraph::NodeArrayEntry *graph_node_list_ptr =
shared_layout_ptr->GetBlockPtr<QueryGraph::NodeArrayEntry, true>(
shared_memory_ptr, SharedDataLayout::GRAPH_NODE_LIST);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::GRAPH_NODE_LIST) > 0)
{
hsgr_input_stream.read((char *)graph_node_list_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::GRAPH_NODE_LIST));
}
// load the edges of the search graph
QueryGraph::EdgeArrayEntry *graph_edge_list_ptr =
shared_layout_ptr->GetBlockPtr<QueryGraph::EdgeArrayEntry, true>(
shared_memory_ptr, SharedDataLayout::GRAPH_EDGE_LIST);
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::GRAPH_EDGE_LIST) > 0)
{
hsgr_input_stream.read((char *)graph_edge_list_ptr,
shared_layout_ptr->GetBlockSize(SharedDataLayout::GRAPH_EDGE_LIST));
}
hsgr_input_stream.close();
// load profile properties
auto profile_properties_ptr =
shared_layout_ptr->GetBlockPtr<extractor::ProfileProperties, true>(
shared_memory_ptr, SharedDataLayout::PROPERTIES);
boost::filesystem::ifstream profile_properties_stream(config.properties_path);
if (!profile_properties_stream)
{
util::exception("Could not open " + config.properties_path.string() + " for reading!");
}
profile_properties_stream.read(reinterpret_cast<char *>(profile_properties_ptr),
sizeof(extractor::ProfileProperties));
// load intersection classes
if (!bearing_class_id_table.empty())
{
auto bearing_id_ptr = shared_layout_ptr->GetBlockPtr<BearingClassID, true>(
shared_memory_ptr, SharedDataLayout::BEARING_CLASSID);
std::copy(bearing_class_id_table.begin(), bearing_class_id_table.end(), bearing_id_ptr);
}
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::BEARING_OFFSETS) > 0)
{
auto *bearing_offsets_ptr = shared_layout_ptr->GetBlockPtr<unsigned, true>(
shared_memory_ptr, SharedDataLayout::BEARING_OFFSETS);
std::copy(bearing_offsets_data.begin(), bearing_offsets_data.end(), bearing_offsets_ptr);
}
if (shared_layout_ptr->GetBlockSize(SharedDataLayout::BEARING_BLOCKS) > 0)
{
auto *bearing_blocks_ptr =
shared_layout_ptr->GetBlockPtr<typename util::RangeTable<16, true>::BlockT, true>(
shared_memory_ptr, SharedDataLayout::BEARING_BLOCKS);
std::copy(bearing_blocks_data.begin(), bearing_blocks_data.end(), bearing_blocks_ptr);
}
if (!bearing_class_table.empty())
{
auto bearing_class_ptr = shared_layout_ptr->GetBlockPtr<DiscreteBearing, true>(
shared_memory_ptr, SharedDataLayout::BEARING_VALUES);
std::copy(bearing_class_table.begin(), bearing_class_table.end(), bearing_class_ptr);
}
if (!entry_class_table.empty())
{
auto entry_class_ptr = shared_layout_ptr->GetBlockPtr<util::guidance::EntryClass, true>(
shared_memory_ptr, SharedDataLayout::ENTRY_CLASS);
std::copy(entry_class_table.begin(), entry_class_table.end(), entry_class_ptr);
}
// acquire lock
SharedMemory *data_type_memory =
makeSharedMemory(CURRENT_REGIONS, sizeof(SharedDataTimestamp), true, false);
SharedDataTimestamp *data_timestamp_ptr =
static_cast<SharedDataTimestamp *>(data_type_memory->Ptr());
boost::interprocess::scoped_lock<boost::interprocess::named_mutex> query_lock(
barrier.query_mutex);
// notify all processes that were waiting for this condition
if (0 < barrier.number_of_queries)
{
barrier.no_running_queries_condition.wait(query_lock);
}
data_timestamp_ptr->layout = layout_region;
data_timestamp_ptr->data = data_region;
data_timestamp_ptr->timestamp += 1;
deleteRegion(previous_data_region);
deleteRegion(previous_layout_region);
util::SimpleLogger().Write() << "all data loaded";
return EXIT_SUCCESS;
}