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#include "routing_mapping.hpp"
#include "routing/cross_routing_context.hpp"
#include "routing/osrm2feature_map.hpp"
#include "routing/osrm_data_facade.hpp"
#include "platform/country_file.hpp"
#include "platform/local_country_file.hpp"
#include "platform/mwm_version.hpp"
#include "platform/platform.hpp"
#include "coding/reader_wrapper.hpp"
#include "base/logging.hpp"
using platform::CountryFile;
using platform::LocalCountryFile;
namespace
{
/*!
* \brief CheckMwmConsistency checks versions of mwm and routing files.
* \param localFile reference to country file we need to check.
* \return true if files has same versions.
* \warning Function assumes that the file lock was already taken.
*/
bool CheckMwmConsistency(LocalCountryFile const & localFile)
{
ModelReaderPtr r1 = FilesContainerR(localFile.GetPath(MapOptions::CarRouting))
.GetReader(VERSION_FILE_TAG);
ReaderSrc src1(r1.GetPtr());
ModelReaderPtr r2 = FilesContainerR(localFile.GetPath(MapOptions::Map))
.GetReader(VERSION_FILE_TAG);
ReaderSrc src2(r2.GetPtr());
version::MwmVersion version1;
version::ReadVersion(src1, version1);
version::MwmVersion version2;
version::ReadVersion(src2, version2);
return version1.timestamp == version2.timestamp;
}
} // namespace
namespace routing
{
RoutingMapping::RoutingMapping(string const & countryFile, MwmSet * pIndex)
: m_mapCounter(0),
m_facadeCounter(0),
m_crossContextLoaded(0),
m_countryFile(countryFile),
m_error(IRouter::ResultCode::RouteFileNotExist)
{
m_handle = pIndex->GetMwmHandleByCountryFile(CountryFile(countryFile));
if (!m_handle.IsAlive())
return;
LocalCountryFile const & localFile = m_handle.GetInfo()->GetLocalFile();
if (!HasOptions(localFile.GetFiles(), MapOptions::MapWithCarRouting))
{
m_error = IRouter::ResultCode::RouteFileNotExist;
m_handle = MwmSet::MwmHandle();
return;
}
m_container.Open(localFile.GetPath(MapOptions::CarRouting));
if (!CheckMwmConsistency(localFile))
{
m_error = IRouter::ResultCode::InconsistentMWMandRoute;
m_container.Close();
m_handle = MwmSet::MwmHandle();
return;
}
m_error = IRouter::ResultCode::NoError;
}
RoutingMapping::~RoutingMapping()
{
// Clear data while m_container is valid.
m_dataFacade.Clear();
m_segMapping.Clear();
m_container.Close();
}
void RoutingMapping::Map()
{
++m_mapCounter;
if (!m_segMapping.IsMapped())
{
m_segMapping.Load(m_container, m_handle.GetInfo()->GetLocalFile());
m_segMapping.Map(m_container);
}
}
void RoutingMapping::Unmap()
{
--m_mapCounter;
if (m_mapCounter < 1 && m_segMapping.IsMapped())
m_segMapping.Unmap();
}
void RoutingMapping::LoadFacade()
{
if (!m_facadeCounter)
{
m_dataFacade.Load(m_container);
}
++m_facadeCounter;
}
void RoutingMapping::FreeFacade()
{
--m_facadeCounter;
if (!m_facadeCounter)
m_dataFacade.Clear();
}
void RoutingMapping::LoadCrossContext()
{
if (m_crossContextLoaded)
return;
if (m_container.IsExist(ROUTING_CROSS_CONTEXT_TAG))
{
m_crossContext.Load(m_container.GetReader(ROUTING_CROSS_CONTEXT_TAG));
m_crossContextLoaded = true;
}
}
void RoutingMapping::FreeCrossContext()
{
m_crossContextLoaded = false;
m_crossContext = CrossRoutingContextReader();
}
TRoutingMappingPtr RoutingIndexManager::GetMappingByPoint(m2::PointD const & point)
{
string const name = m_countryFileFn(point);
if (name.empty())
return TRoutingMappingPtr(new RoutingMapping());
return GetMappingByName(name);
}
TRoutingMappingPtr RoutingIndexManager::GetMappingByName(string const & mapName)
{
// Check if we have already loaded this file.
auto mapIter = m_mapping.find(mapName);
if (mapIter != m_mapping.end())
return mapIter->second;
// Or load and check file.
TRoutingMappingPtr newMapping(new RoutingMapping(mapName, m_index));
m_mapping[mapName] = newMapping;
return newMapping;
}
} // namespace routing
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