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Verify graph before compression

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This commit is contained in:
Patrick Niklaus 2015-05-21 15:54:07 +02:00
parent b7c8fcd062
commit aba3ec692f
1 changed files with 77 additions and 0 deletions
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77
contractor/edge_based_graph_factory.cpp
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@ -40,6 +40,37 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <iomanip>
#include <limits>
bool checkInvariant(const NodeBasedDynamicGraph& graph, const NodeID source, const EdgeID edge)
{
const auto& data = graph.GetEdgeData(edge);
if (!data.forward)
{
auto target = graph.GetTarget(edge);
if (target == SPECIAL_NODEID)
{
SimpleLogger().Write(logWARNING) << "Invalid target";
return false;
}
auto rev_edge = graph.FindEdge(target, source);
if (rev_edge == SPECIAL_EDGEID)
{
SimpleLogger().Write(logWARNING) << "Edge not found";
return false;
}
const auto& rev_data = graph.GetEdgeData(rev_edge);
if (!rev_data.forward)
{
SimpleLogger().Write(logWARNING) << "Reverse edge is not forward";
return false;
}
}
return true;
}
EdgeBasedGraphFactory::EdgeBasedGraphFactory(std::shared_ptr<NodeBasedDynamicGraph> node_based_graph,
std::shared_ptr<RestrictionMap> restriction_map,
std::unique_ptr<std::vector<NodeID>> barrier_node_list,
@ -234,6 +265,31 @@ void EdgeBasedGraphFactory::Run(const std::string &original_edge_data_filename,
lua_State *lua_state)
{
#ifndef NDEBUG
SimpleLogger().Write() << "Verifying the graph structure before compression:";
for (const auto current_node : osrm::irange(0u, m_node_based_graph->GetNumberOfNodes()))
{
for (const auto current_edge : m_node_based_graph->GetAdjacentEdgeRange(current_node))
{
EdgeData &edge_data = m_node_based_graph->GetEdgeData(current_edge);
if (!edge_data.forward)
{
auto target = m_node_based_graph->GetTarget(current_edge);
BOOST_ASSERT(target != SPECIAL_NODEID);
auto rev_edge = m_node_based_graph->FindEdge(target, current_node);
BOOST_ASSERT(rev_edge != SPECIAL_EDGEID);
const auto& rev_data = m_node_based_graph->GetEdgeData(rev_edge);
BOOST_ASSERT(rev_data.forward);
continue;
}
}
}
SimpleLogger().Write() << " -> graph is ok.";
#endif
TIMER_START(geometry);
CompressGeometry();
TIMER_STOP(geometry);
@ -410,6 +466,27 @@ void EdgeBasedGraphFactory::CompressGeometry()
reverse_weight2 + (has_node_penalty ? speed_profile.traffic_signal_penalty : 0));
++removed_node_count;
#ifndef NDEBUG
if (!checkInvariant(*m_node_based_graph, node_u, forward_e1))
{
SimpleLogger().Write(logWARNING) << "Contracting " << node_u << " " << node_v << " " << node_w;
SimpleLogger().Write(logWARNING) << " coordinates "
<< "(" << m_node_info_list[node_u].lat << ", " << m_node_info_list[node_u].lon << ") "
<< "(" << m_node_info_list[node_v].lat << ", " << m_node_info_list[node_v].lon << ") "
<< "(" << m_node_info_list[node_w].lat << ", " << m_node_info_list[node_w].lon << ") ";
BOOST_ASSERT_MSG(false, "Graph invariant is not fulfilled.");
}
if (!checkInvariant(*m_node_based_graph, node_w, reverse_e1))
{
SimpleLogger().Write(logWARNING) << "Contracting " << node_u << " " << node_v << " " << node_w;
SimpleLogger().Write(logWARNING) << " coordinates "
<< "(" << m_node_info_list[node_u].lat << ", " << m_node_info_list[node_u].lon << ") "
<< "(" << m_node_info_list[node_v].lat << ", " << m_node_info_list[node_v].lon << ") "
<< "(" << m_node_info_list[node_w].lat << ", " << m_node_info_list[node_w].lon << ") ";
BOOST_ASSERT_MSG(false, "Graph invariant is not fulfilled.");
}
#endif
}
}
SimpleLogger().Write() << "removed " << removed_node_count << " nodes";