Пример #1
0
/**
 \brief Building an edge-expanded graph from node-based input and turn restrictions
*/
std::size_t Prepare::BuildEdgeExpandedGraph(lua_State *lua_state,
                                     NodeID number_of_node_based_nodes,
                                     std::vector<EdgeBasedNode> &node_based_edge_list,
                                     DeallocatingVector<EdgeBasedEdge> &edge_based_edge_list,
                                     EdgeBasedGraphFactory::SpeedProfileProperties &speed_profile)
{
    SimpleLogger().Write() << "Generating edge-expanded graph representation";
    std::shared_ptr<NodeBasedDynamicGraph> node_based_graph =
        NodeBasedDynamicGraphFromImportEdges(number_of_node_based_nodes, edge_list);
    std::unique_ptr<RestrictionMap> restriction_map =
        std::unique_ptr<RestrictionMap>(new RestrictionMap(node_based_graph, restriction_list));
    std::shared_ptr<EdgeBasedGraphFactory> edge_based_graph_factory =
        std::make_shared<EdgeBasedGraphFactory>(node_based_graph,
                                                std::move(restriction_map),
                                                barrier_node_list,
                                                traffic_light_list,
                                                internal_to_external_node_map,
                                                speed_profile);
    edge_list.clear();
    edge_list.shrink_to_fit();

    edge_based_graph_factory->Run(edge_out, geometry_filename, lua_state);

    restriction_list.clear();
    restriction_list.shrink_to_fit();
    barrier_node_list.clear();
    barrier_node_list.shrink_to_fit();
    traffic_light_list.clear();
    traffic_light_list.shrink_to_fit();

    const std::size_t number_of_edge_based_nodes = edge_based_graph_factory->GetNumberOfEdgeBasedNodes();

    BOOST_ASSERT(number_of_edge_based_nodes != std::numeric_limits<unsigned>::max());
#ifndef WIN32
    static_assert(sizeof(EdgeBasedEdge) == 16,
                  "changing ImportEdge type has influence on memory consumption!");
#endif

    edge_based_graph_factory->GetEdgeBasedEdges(edge_based_edge_list);
    edge_based_graph_factory->GetEdgeBasedNodes(node_based_edge_list);

    edge_based_graph_factory.reset();
    node_based_graph.reset();

    return number_of_edge_based_nodes;
}
Пример #2
0
int main(int argc, char *argv[])
{
    try
    {
        LogPolicy::GetInstance().Unmute();
        TIMER_START(preparing);
        TIMER_START(expansion);

        boost::filesystem::path config_file_path, input_path, restrictions_path, profile_path;
        unsigned int requested_num_threads;
        bool use_elevation;

        // declare a group of options that will be allowed only on command line
        boost::program_options::options_description generic_options("Options");
        generic_options.add_options()("version,v", "Show version")("help,h",
                                                                   "Show this help message")(
            "config,c",
            boost::program_options::value<boost::filesystem::path>(&config_file_path)
                ->default_value("contractor.ini"),
            "Path to a configuration file.");

        // declare a group of options that will be allowed both on command line and in config file
        boost::program_options::options_description config_options("Configuration");
        config_options.add_options()(
            "restrictions,r",
            boost::program_options::value<boost::filesystem::path>(&restrictions_path),
            "Restrictions file in .osrm.restrictions format")(
            "profile,p",
            boost::program_options::value<boost::filesystem::path>(&profile_path)
                ->default_value("profile.lua"),"Path to LUA routing profile")(
            "elevation,e", boost::program_options::value<bool>(&use_elevation)->default_value(true),
                "Process node elevations")(
            "threads,t",
            boost::program_options::value<unsigned int>(&requested_num_threads)->default_value(tbb::task_scheduler_init::default_num_threads()),
            "Number of threads to use");

        // hidden options, will be allowed both on command line and in config file, but will not be
        // shown to the user
        boost::program_options::options_description hidden_options("Hidden options");
        hidden_options.add_options()(
            "input,i",
            boost::program_options::value<boost::filesystem::path>(&input_path),
            "Input file in .osm, .osm.bz2 or .osm.pbf format");

        // positional option
        boost::program_options::positional_options_description positional_options;
        positional_options.add("input", 1);

        // combine above options for parsing
        boost::program_options::options_description cmdline_options;
        cmdline_options.add(generic_options).add(config_options).add(hidden_options);

        boost::program_options::options_description config_file_options;
        config_file_options.add(config_options).add(hidden_options);

        boost::program_options::options_description visible_options(
            "Usage: " + boost::filesystem::basename(argv[0]) + " <input.osrm> [options]");
        visible_options.add(generic_options).add(config_options);

        // parse command line options
        boost::program_options::variables_map option_variables;
        boost::program_options::store(boost::program_options::command_line_parser(argc, argv)
                                          .options(cmdline_options)
                                          .positional(positional_options)
                                          .run(),
                                      option_variables);

        if (option_variables.count("version"))
        {
            SimpleLogger().Write() << g_GIT_DESCRIPTION;
            return 0;
        }

        if (option_variables.count("help"))
        {
            SimpleLogger().Write() << "\n" << visible_options;
            return 0;
        }

        boost::program_options::notify(option_variables);

        if (!option_variables.count("restrictions"))
        {
            restrictions_path = std::string(input_path.string() + ".restrictions");
        }

        if (!option_variables.count("input"))
        {
            SimpleLogger().Write() << "\n" << visible_options;
            return 0;
        }

        if (!boost::filesystem::is_regular_file(input_path))
        {
            SimpleLogger().Write(logWARNING) << "Input file " << input_path.string()
                                             << " not found!";
            return 1;
        }

        if (!boost::filesystem::is_regular_file(profile_path))
        {
            SimpleLogger().Write(logWARNING) << "Profile " << profile_path.string()
                                             << " not found!";
            return 1;
        }

        if (1 > requested_num_threads)
        {
            SimpleLogger().Write(logWARNING) << "Number of threads must be 1 or larger";
            return 1;
        }

        const unsigned recommended_num_threads = tbb::task_scheduler_init::default_num_threads();

        SimpleLogger().Write() << "Input file: " << input_path.filename().string();
        SimpleLogger().Write() << "Restrictions file: " << restrictions_path.filename().string();
        SimpleLogger().Write() << "Profile: " << profile_path.filename().string();
        SimpleLogger().Write() << "Using elevation: " << use_elevation;
        SimpleLogger().Write() << "Threads: " << requested_num_threads;
        if (recommended_num_threads != requested_num_threads)
        {
            SimpleLogger().Write(logWARNING) << "The recommended number of threads is "
                                             << recommended_num_threads
                                             << "! This setting may have performance side-effects.";
        }

        tbb::task_scheduler_init init(requested_num_threads);

        LogPolicy::GetInstance().Unmute();
        boost::filesystem::ifstream restriction_stream(restrictions_path, std::ios::binary);
        TurnRestriction restriction;
        FingerPrint fingerprint_loaded, fingerprint_orig;
        unsigned number_of_usable_restrictions = 0;
        restriction_stream.read((char *)&fingerprint_loaded, sizeof(FingerPrint));
        if (!fingerprint_loaded.TestPrepare(fingerprint_orig))
        {
            SimpleLogger().Write(logWARNING) << ".restrictions was prepared with different build.\n"
                                                "Reprocess to get rid of this warning.";
        }

        restriction_stream.read((char *)&number_of_usable_restrictions, sizeof(unsigned));
        restriction_list.resize(number_of_usable_restrictions);
        if (number_of_usable_restrictions > 0)
        {
            restriction_stream.read((char *)&(restriction_list[0]),
                                number_of_usable_restrictions * sizeof(TurnRestriction));
        }
        restriction_stream.close();

        boost::filesystem::ifstream in;
        in.open(input_path, std::ios::in | std::ios::binary);

        const std::string node_filename = input_path.string() + ".nodes";
        const std::string edge_out = input_path.string() + ".edges";
        const std::string geometry_filename = input_path.string() + ".geometry";
        const std::string graphOut = input_path.string() + ".hsgr";
        const std::string rtree_nodes_path = input_path.string() + ".ramIndex";
        const std::string rtree_leafs_path = input_path.string() + ".fileIndex";

        /*** Setup Scripting Environment ***/

        // Create a new lua state
        lua_State *lua_state = luaL_newstate();

        // Connect LuaBind to this lua state
        luabind::open(lua_state);

        // open utility libraries string library;
        luaL_openlibs(lua_state);

        // adjust lua load path
        luaAddScriptFolderToLoadPath(lua_state, profile_path.string().c_str());

        // Now call our function in a lua script
        if (0 != luaL_dofile(lua_state, profile_path.string().c_str()))
        {
            std::cerr << lua_tostring(lua_state, -1) << " occured in scripting block" << std::endl;
            return 1;
        }

        EdgeBasedGraphFactory::SpeedProfileProperties speed_profile;

        if (0 != luaL_dostring(lua_state, "return traffic_signal_penalty\n"))
        {
            std::cerr << lua_tostring(lua_state, -1) << " occured in scripting block" << std::endl;
            return 1;
        }
        speed_profile.trafficSignalPenalty = 10 * lua_tointeger(lua_state, -1);
        SimpleLogger().Write(logDEBUG)
            << "traffic_signal_penalty: " << speed_profile.trafficSignalPenalty;

        if (0 != luaL_dostring(lua_state, "return u_turn_penalty\n"))
        {
            std::cerr << lua_tostring(lua_state, -1) << " occured in scripting block" << std::endl;
            return 1;
        }
        speed_profile.uTurnPenalty = 10 * lua_tointeger(lua_state, -1);

        speed_profile.has_turn_penalty_function = lua_function_exists(lua_state, "turn_function");

        #ifdef WIN32
        #pragma message ("Memory consumption on Windows can be higher due to memory alignment")
        #else
        static_assert(sizeof(ImportEdge) == 20,
                      "changing ImportEdge type has influence on memory consumption!");
        #endif
        std::vector<ImportEdge> edge_list;
        NodeID number_of_node_based_nodes =
            readBinaryOSRMGraphFromStream(in,
                                          edge_list,
                                          barrier_node_list,
                                          traffic_light_list,
                                          &internal_to_external_node_map,
                                          restriction_list,
                                          use_elevation);
        in.close();

        if (edge_list.empty())
        {
            SimpleLogger().Write(logWARNING) << "The input data is empty, exiting.";
            return 1;
        }

        SimpleLogger().Write() << restriction_list.size() << " restrictions, "
                               << barrier_node_list.size() << " bollard nodes, "
                               << traffic_light_list.size() << " traffic lights";

        /***
         * Building an edge-expanded graph from node-based input and turn restrictions
         */

        SimpleLogger().Write() << "Generating edge-expanded graph representation";
        std::shared_ptr<NodeBasedDynamicGraph> node_based_graph =
            NodeBasedDynamicGraphFromImportEdges(number_of_node_based_nodes, edge_list);
        std::unique_ptr<RestrictionMap> restriction_map =
            std::unique_ptr<RestrictionMap>(new RestrictionMap(node_based_graph, restriction_list));
        EdgeBasedGraphFactory *edge_based_graph_factor =
            new EdgeBasedGraphFactory(node_based_graph,
                                      std::move(restriction_map),
                                      barrier_node_list,
                                      traffic_light_list,
                                      internal_to_external_node_map,
                                      speed_profile);
        edge_list.clear();
        edge_list.shrink_to_fit();

        edge_based_graph_factor->Run(edge_out, geometry_filename, lua_state);

        restriction_list.clear();
        restriction_list.shrink_to_fit();
        barrier_node_list.clear();
        barrier_node_list.shrink_to_fit();
        traffic_light_list.clear();
        traffic_light_list.shrink_to_fit();

        unsigned number_of_edge_based_nodes = edge_based_graph_factor->GetNumberOfEdgeBasedNodes();
        BOOST_ASSERT(number_of_edge_based_nodes != std::numeric_limits<unsigned>::max());
        DeallocatingVector<EdgeBasedEdge> edgeBasedEdgeList;
        #ifndef WIN32
        static_assert(sizeof(EdgeBasedEdge) == 16,
                      "changing ImportEdge type has influence on memory consumption!");
        #endif

        edge_based_graph_factor->GetEdgeBasedEdges(edgeBasedEdgeList);
        std::vector<EdgeBasedNode> node_based_edge_list;
        edge_based_graph_factor->GetEdgeBasedNodes(node_based_edge_list);
        delete edge_based_graph_factor;

        // TODO actually use scoping: Split this up in subfunctions
        node_based_graph.reset();

        TIMER_STOP(expansion);

        // Building grid-like nearest-neighbor data structure
        SimpleLogger().Write() << "building r-tree ...";
        StaticRTree<EdgeBasedNode> *rtree =
            new StaticRTree<EdgeBasedNode>(node_based_edge_list,
                                           rtree_nodes_path.c_str(),
                                           rtree_leafs_path.c_str(),
                                           internal_to_external_node_map);
        delete rtree;
        IteratorbasedCRC32<std::vector<EdgeBasedNode>> crc32;
        unsigned node_based_edge_list_CRC32 =
            crc32(node_based_edge_list.begin(), node_based_edge_list.end());
        node_based_edge_list.clear();
        node_based_edge_list.shrink_to_fit();
        SimpleLogger().Write() << "CRC32: " << node_based_edge_list_CRC32;

        /***
         * Writing info on original (node-based) nodes
         */

        SimpleLogger().Write() << "writing node map ...";
        boost::filesystem::ofstream node_stream(node_filename, std::ios::binary);
        const unsigned size_of_mapping = internal_to_external_node_map.size();
        node_stream.write((char *)&size_of_mapping, sizeof(unsigned));
        if (size_of_mapping > 0)
        {
            node_stream.write((char *)&(internal_to_external_node_map[0]),
                          size_of_mapping * sizeof(NodeInfo));
        }
        node_stream.close();
        internal_to_external_node_map.clear();
        internal_to_external_node_map.shrink_to_fit();

        /***
         * Contracting the edge-expanded graph
         */

        SimpleLogger().Write() << "initializing contractor";
        Contractor *contractor = new Contractor(number_of_edge_based_nodes, edgeBasedEdgeList);

        TIMER_START(contraction);
        contractor->Run();
        TIMER_STOP(contraction);

        SimpleLogger().Write() << "Contraction took " << TIMER_SEC(contraction) << " sec";

        DeallocatingVector<QueryEdge> contracted_edge_list;
        contractor->GetEdges(contracted_edge_list);
        delete contractor;

        /***
         * Sorting contracted edges in a way that the static query graph can read some in in-place.
         */

        std::sort(contracted_edge_list.begin(), contracted_edge_list.end());
        unsigned max_used_node_id = 0;
        unsigned contracted_edge_count = contracted_edge_list.size();
        SimpleLogger().Write() << "Serializing compacted graph of " << contracted_edge_count
                               << " edges";

        boost::filesystem::ofstream hsgr_output_stream(graphOut, std::ios::binary);
        hsgr_output_stream.write((char *)&fingerprint_orig, sizeof(FingerPrint));
        for (const QueryEdge &edge : contracted_edge_list)
        {
            BOOST_ASSERT(UINT_MAX != edge.source);
            BOOST_ASSERT(UINT_MAX != edge.target);

            max_used_node_id = std::max(max_used_node_id, edge.source);
            max_used_node_id = std::max(max_used_node_id, edge.target);
        }
        SimpleLogger().Write(logDEBUG) << "input graph has " << number_of_edge_based_nodes
                                       << " nodes";
        SimpleLogger().Write(logDEBUG) << "contracted graph has " << max_used_node_id << " nodes";
        max_used_node_id += 1;

        std::vector<StaticGraph<EdgeData>::NodeArrayEntry> node_array;
        node_array.resize(number_of_edge_based_nodes + 1);

        SimpleLogger().Write() << "Building node array";
        StaticGraph<EdgeData>::EdgeIterator edge = 0;
        StaticGraph<EdgeData>::EdgeIterator position = 0;
        StaticGraph<EdgeData>::EdgeIterator last_edge = edge;

        for (StaticGraph<EdgeData>::NodeIterator node = 0; node < max_used_node_id; ++node)
        {
            last_edge = edge;
            while ((edge < contracted_edge_count) && (contracted_edge_list[edge].source == node))
            {
                ++edge;
            }
            node_array[node].first_edge = position; //=edge
            position += edge - last_edge;           // remove
        }

        for (unsigned sentinel_counter = max_used_node_id; sentinel_counter != node_array.size();
             ++sentinel_counter)
        {
            // sentinel element, guarded against underflow
            node_array[sentinel_counter].first_edge = contracted_edge_count;
        }

        unsigned node_array_size = node_array.size();
        // serialize crc32, aka checksum
        hsgr_output_stream.write((char *)&node_based_edge_list_CRC32, sizeof(unsigned));
        // serialize number of nodes
        hsgr_output_stream.write((char *)&node_array_size, sizeof(unsigned));
        // serialize number of edges
        hsgr_output_stream.write((char *)&contracted_edge_count, sizeof(unsigned));
        // serialize all nodes
        if (node_array_size > 0)
        {
            hsgr_output_stream.write((char *)&node_array[0],
                                 sizeof(StaticGraph<EdgeData>::NodeArrayEntry) * node_array_size);
        }
        // serialize all edges

        SimpleLogger().Write() << "Building edge array";
        edge = 0;
        int number_of_used_edges = 0;

        StaticGraph<EdgeData>::EdgeArrayEntry current_edge;
        for (unsigned edge = 0; edge < contracted_edge_list.size(); ++edge)
        {
            // no eigen loops
            BOOST_ASSERT(contracted_edge_list[edge].source != contracted_edge_list[edge].target);
            current_edge.target = contracted_edge_list[edge].target;
            current_edge.data = contracted_edge_list[edge].data;

            // every target needs to be valid
            BOOST_ASSERT(current_edge.target < max_used_node_id);
#ifndef NDEBUG
            if (current_edge.data.distance <= 0)
            {
                SimpleLogger().Write(logWARNING)
                    << "Edge: " << edge << ",source: " << contracted_edge_list[edge].source
                    << ", target: " << contracted_edge_list[edge].target
                    << ", dist: " << current_edge.data.distance;

                SimpleLogger().Write(logWARNING) << "Failed at adjacency list of node "
                                                 << contracted_edge_list[edge].source << "/"
                                                 << node_array.size() - 1;
                return 1;
            }
#endif
            hsgr_output_stream.write((char *)&current_edge,
                                     sizeof(StaticGraph<EdgeData>::EdgeArrayEntry));
            ++number_of_used_edges;
        }
        hsgr_output_stream.close();

        TIMER_STOP(preparing);

        SimpleLogger().Write() << "Preprocessing : " << TIMER_SEC(preparing) << " seconds";
        SimpleLogger().Write() << "Expansion  : "
                               << (number_of_node_based_nodes / TIMER_SEC(expansion))
                               << " nodes/sec and "
                               << (number_of_edge_based_nodes / TIMER_SEC(expansion))
                               << " edges/sec";

        SimpleLogger().Write() << "Contraction: "
                               << (number_of_edge_based_nodes / TIMER_SEC(contraction))
                               << " nodes/sec and "
                               << number_of_used_edges / TIMER_SEC(contraction)
                               << " edges/sec";

        node_array.clear();
        SimpleLogger().Write() << "finished preprocessing";
    }
    catch (boost::program_options::too_many_positional_options_error &)
    {
        SimpleLogger().Write(logWARNING) << "Only one file can be specified";
        return 1;
    }
    catch (boost::program_options::error &e)
    {
        SimpleLogger().Write(logWARNING) << e.what();
        return 1;
    }
    catch (const std::exception &e)
    {
        SimpleLogger().Write(logWARNING) << "Exception occured: " << e.what() << std::endl;
        return 1;
    }
    return 0;
}