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refetch data if changed

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This commit is contained in:
Dennis Luxen 2013-10-25 19:31:39 +02:00
parent ca4a3361c0
commit 54c5af30d9
1 changed files with 66 additions and 35 deletions
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101
Server/DataStructures/SharedDataFacade.h
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@ -25,12 +25,14 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SHARED_DATA_FACADE
#define SHARED_DATA_FACADE
#ifndef SHARED_DATA_FACADE_H
#define SHARED_DATA_FACADE_H
//implements all data storage when shared memory is _NOT_ used
#include <boost/make_shared.hpp>
#include <boost/shared_ptr.hpp>
#include "BaseDataFacade.h"
#include "SharedDataType.h"
@ -57,6 +59,11 @@ private:
SharedDataLayout * data_layout;
char * shared_memory;
SharedDataType * data_type;
SharedDataType * data_type_ptr;
SharedDataType CURRENT_LAYOUT;
SharedDataType CURRENT_DATA;
unsigned m_check_sum;
unsigned m_number_of_nodes;
@ -69,9 +76,9 @@ private:
ShM<TurnInstruction, true>::vector m_turn_instruction_list;
ShM<char, true>::vector m_names_char_list;
ShM<unsigned, true>::vector m_name_begin_indices;
StaticRTree<RTreeLeaf, true> * m_static_rtree;
boost::shared_ptr<StaticRTree<RTreeLeaf, true> > m_static_rtree;
SharedDataFacade() { }
// SharedDataFacade() { }
void LoadTimestamp() {
char * timestamp_ptr = shared_memory + data_layout->GetTimeStampOffset();
@ -86,10 +93,11 @@ private:
void LoadRTree(
const boost::filesystem::path & file_index_path
) {
SimpleLogger().Write() << "loading fileindex from " << file_index_path;
RTreeNode * tree_ptr = (RTreeNode *)(
shared_memory + data_layout->GetRSearchTreeOffset()
);
m_static_rtree = new StaticRTree<RTreeLeaf, true>(
m_static_rtree = boost::make_shared<StaticRTree<RTreeLeaf, true> >(
tree_ptr,
data_layout->r_search_tree_size,
file_index_path
@ -183,39 +191,62 @@ private:
}
public:
SharedDataFacade( const ServerPaths & server_paths ) {
//check contents of config file
if( server_paths.find("fileindex") == server_paths.end() ) {
throw OSRMException("no leaf index file given in ini file");
}
SharedDataFacade( ) {
data_type_ptr = (SharedDataType *)SharedMemoryFactory::Get(
CURRENT_REGIONS,
2*sizeof(SharedDataType),
false,
false
)->Ptr();
SimpleLogger().Write() << "1";
//generate paths of data files
ServerPaths::const_iterator paths_iterator = server_paths.find("fileindex");
BOOST_ASSERT(server_paths.end() != paths_iterator);
boost::filesystem::path ram_index_path = paths_iterator->second;
data_layout = (SharedDataLayout *)(
SharedMemoryFactory::Get(LAYOUT_1)->Ptr()
);
shared_memory = (char *)(
SharedMemoryFactory::Get(DATA_1)->Ptr()
);
data_layout->PrintInformation();
CURRENT_LAYOUT = LAYOUT_NONE;
CURRENT_DATA = DATA_NONE;
//load data
SimpleLogger().Write() << "loading graph data";
LoadGraph();
LoadNodeAndEdgeInformation();
LoadRTree(ram_index_path);
LoadTimestamp();
LoadViaNodeList();
LoadNames();
CheckAndReloadFacade();
}
void CheckAndReloadFacade() {
if(
CURRENT_LAYOUT != data_type_ptr[0] ||
CURRENT_DATA != data_type_ptr[1]
) {
CURRENT_LAYOUT = data_type_ptr[0];
CURRENT_DATA = data_type_ptr[1];
data_layout = (SharedDataLayout *)(
SharedMemoryFactory::Get(LAYOUT_1)->Ptr()
);
boost::filesystem::path ram_index_path(data_layout->ram_index_file_name);
if( !boost::filesystem::exists(ram_index_path) ) {
throw OSRMException("no leaf index file given in ini file");
}
SimpleLogger().Write() << "0";
shared_memory = (char *)(
SharedMemoryFactory::Get(DATA_1)->Ptr()
);
SimpleLogger().Write(logDEBUG) << "(re-)loading data from shared memory";
LoadGraph();
SimpleLogger().Write() << "1";
LoadNodeAndEdgeInformation();
SimpleLogger().Write() << "2";
LoadRTree(ram_index_path);
SimpleLogger().Write() << "3";
LoadTimestamp();
SimpleLogger().Write() << "4";
LoadViaNodeList();
SimpleLogger().Write() << "5";
LoadNames();
SimpleLogger().Write() << "6";
} else {
SimpleLogger().Write(logDEBUG) << "using previously loaded data";
}
data_layout->PrintInformation();
}
//search graph access
unsigned GetNumberOfNodes() const {
return m_query_graph->GetNumberOfNodes();
@ -347,4 +378,4 @@ public:
}
};
#endif // SHARED_DATA_FACADE
#endif // SHARED_DATA_FACADE_H