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fix reloading of RTree from shared memory, potentially fixes a number of issue from #889

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This commit is contained in:
Dennis Luxen 2014-10-08 19:20:15 +02:00
parent d92f022041
commit 848b773e24
1 changed files with 13 additions and 14 deletions
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27
Server/DataStructures/SharedDataFacade.h
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@ -55,8 +55,9 @@ template <class EdgeDataT> class SharedDataFacade : public BaseDataFacade<EdgeDa
typedef typename RangeTable<16, true>::BlockT NameIndexBlock;
typedef typename QueryGraph::InputEdge InputEdge;
typedef typename super::RTreeLeaf RTreeLeaf;
typedef typename StaticRTree<RTreeLeaf, ShM<FixedPointCoordinate, true>::vector, true>::TreeNode
RTreeNode;
using SharedRTree = StaticRTree<RTreeLeaf, ShM<FixedPointCoordinate, true>::vector, true>;
using TimeStampedRTreePair = std::pair<unsigned, std::shared_ptr<SharedRTree>>;
using RTreeNode = typename SharedRTree::TreeNode;
SharedDataLayout *data_layout;
char *shared_memory;
@ -84,8 +85,7 @@ template <class EdgeDataT> class SharedDataFacade : public BaseDataFacade<EdgeDa
ShM<unsigned, true>::vector m_geometry_indices;
ShM<unsigned, true>::vector m_geometry_list;
boost::thread_specific_ptr<
StaticRTree<RTreeLeaf, ShM<FixedPointCoordinate, true>::vector, true>> m_static_rtree;
boost::thread_specific_ptr<std::pair<unsigned, std::shared_ptr<SharedRTree>>> m_static_rtree;
boost::filesystem::path file_index_path;
std::shared_ptr<RangeTable<16, true>> m_name_table;
@ -113,12 +113,12 @@ template <class EdgeDataT> class SharedDataFacade : public BaseDataFacade<EdgeDa
RTreeNode *tree_ptr =
data_layout->GetBlockPtr<RTreeNode>(shared_memory, SharedDataLayout::R_SEARCH_TREE);
m_static_rtree.reset(
new StaticRTree<RTreeLeaf, ShM<FixedPointCoordinate, true>::vector, true>(
m_static_rtree.reset(new TimeStampedRTreePair(CURRENT_TIMESTAMP,
std::make_shared<SharedRTree>(
tree_ptr,
data_layout->num_entries[SharedDataLayout::R_SEARCH_TREE],
file_index_path,
m_coordinate_list));
m_coordinate_list)));
}
void LoadGraph()
@ -225,7 +225,6 @@ template <class EdgeDataT> class SharedDataFacade : public BaseDataFacade<EdgeDa
{
data_timestamp_ptr = (SharedDataTimestamp *)SharedMemoryFactory::Get(
CURRENT_REGIONS, sizeof(SharedDataTimestamp), false, false)->Ptr();
CURRENT_LAYOUT = LAYOUT_NONE;
CURRENT_DATA = DATA_NONE;
CURRENT_TIMESTAMP = 0;
@ -363,12 +362,12 @@ template <class EdgeDataT> class SharedDataFacade : public BaseDataFacade<EdgeDa
FixedPointCoordinate &result,
const unsigned zoom_level = 18) final
{
if (!m_static_rtree.get())
if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
{
LoadRTree();
}
return m_static_rtree->LocateClosestEndPointForCoordinate(
return m_static_rtree->second->LocateClosestEndPointForCoordinate(
input_coordinate, result, zoom_level);
}
@ -376,12 +375,12 @@ template <class EdgeDataT> class SharedDataFacade : public BaseDataFacade<EdgeDa
PhantomNode &resulting_phantom_node,
const unsigned zoom_level) final
{
if (!m_static_rtree.get())
if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
{
LoadRTree();
}
return m_static_rtree->FindPhantomNodeForCoordinate(
return m_static_rtree->second->FindPhantomNodeForCoordinate(
input_coordinate, resulting_phantom_node, zoom_level);
}
@ -391,12 +390,12 @@ template <class EdgeDataT> class SharedDataFacade : public BaseDataFacade<EdgeDa
const unsigned zoom_level,
const unsigned number_of_results) final
{
if (!m_static_rtree.get())
if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
{
LoadRTree();
}
return m_static_rtree->IncrementalFindPhantomNodeForCoordinate(
return m_static_rtree->second->IncrementalFindPhantomNodeForCoordinate(
input_coordinate, resulting_phantom_node_vector, zoom_level, number_of_results);
}