osrm-backend/Tools/componentAnalysis.cpp
2013-06-27 16:08:33 -04:00

122 lines
4.0 KiB
C++

/*
open source routing machine
Copyright (C) Dennis Luxen, 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
#include "../typedefs.h"
#include "../Algorithms/StronglyConnectedComponents.h"
#include "../DataStructures/BinaryHeap.h"
#include "../DataStructures/DeallocatingVector.h"
#include "../DataStructures/DynamicGraph.h"
#include "../DataStructures/QueryEdge.h"
#include "../DataStructures/TurnInstructions.h"
#include "../Util/BaseConfiguration.h"
#include "../Util/InputFileUtil.h"
#include "../Util/GraphLoader.h"
#include <boost/foreach.hpp>
#include <fstream>
#include <istream>
#include <iostream>
#include <cstring>
#include <string>
#include <vector>
typedef QueryEdge::EdgeData EdgeData;
typedef DynamicGraph<EdgeData>::InputEdge InputEdge;
typedef BaseConfiguration ContractorConfiguration;
std::vector<NodeInfo> internal_to_external_node_map;
std::vector<_Restriction> restrictions_vector;
std::vector<NodeID> bollard_node_IDs_vector;
std::vector<NodeID> traffic_light_node_IDs_vector;
int main (int argument_count, char *argument_values[]) {
if(argument_count < 3) {
ERR("usage:\n" << argument_values[0] << " <osrm> <osrm.restrictions>");
}
INFO("Using restrictions from file: " << argument_values[2]);
std::ifstream restriction_ifstream(argument_values[2], std::ios::binary);
if(!restriction_ifstream.good()) {
ERR("Could not access <osrm-restrictions> files");
}
uint32_t usable_restriction_count = 0;
restriction_ifstream.read(
(char*)&usable_restriction_count,
sizeof(uint32_t)
);
restrictions_vector.resize(usable_restriction_count);
restriction_ifstream.read(
(char *)&(restrictions_vector[0]),
usable_restriction_count*sizeof(_Restriction)
);
restriction_ifstream.close();
std::ifstream input_stream;
input_stream.open(
argument_values[1],
std::ifstream::in | std::ifstream::binary
);
if (!input_stream.is_open()) {
ERR("Cannot open " << argument_values[1]);
}
std::vector<ImportEdge> edge_list;
NodeID node_based_node_count = readBinaryOSRMGraphFromStream(
input_stream,
edge_list,
bollard_node_IDs_vector,
traffic_light_node_IDs_vector,
&internal_to_external_node_map,
restrictions_vector
);
input_stream.close();
INFO(
restrictions_vector.size() << " restrictions, " <<
bollard_node_IDs_vector.size() << " bollard nodes, " <<
traffic_light_node_IDs_vector.size() << " traffic lights"
);
/***
* Building an edge-expanded graph from node-based input an turn restrictions
*/
INFO("Starting SCC graph traversal");
TarjanSCC * tarjan = new TarjanSCC (
node_based_node_count,
edge_list,
bollard_node_IDs_vector,
traffic_light_node_IDs_vector,
restrictions_vector,
internal_to_external_node_map
);
std::vector<ImportEdge>().swap(edge_list);
tarjan->Run();
std::vector<_Restriction>().swap(restrictions_vector);
std::vector<NodeID>().swap(bollard_node_IDs_vector);
std::vector<NodeID>().swap(traffic_light_node_IDs_vector);
INFO("finished component analysis");
return 0;
}