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#include "generator/camera_node_processor.hpp"
#include "base/assert.hpp"
#include "base/control_flow.hpp"
#include "base/logging.hpp"
#include <array>
namespace generator
{
// Look to https://wiki.openstreetmap.org/wiki/Speed_limits
// Remember about updating this table! Last update: 21.08.18
std::unordered_map<std::string, std::string> const kRoadTypeToSpeedKMpH = {
{"AT:urban", "50"},
{"AT:rural", "100"},
{"AT:trunk", "100"},
{"AT:motorway", "130"},
{"BE:urban", "50"},
{"BE:zone", "30"},
{"BE:motorway", "120"},
{"BE:zone30", "30"},
{"BE:rural", "70"},
{"BE:school", "30"},
{"CZ:motorway", "130"},
{"CZ:trunk", "110"},
{"CZ:rural", "90"},
{"CZ:urban_motorway", "80"},
{"CZ:urban_trunk", "80"},
{"CZ:urban", "50"},
{"DE:rural", "100"},
{"DE:urban", "50"},
{"DE:bicycle_road", "30"},
{"FR:motorway", "130"},
{"FR:rural", "80"},
{"FR:urban", "50"},
{"HU:living_street", "20"},
{"HU:motorway", "130"},
{"HU:rural", "90"},
{"HU:trunk", "110"},
{"HU:urban", "50"},
{"IT:rural", "90"},
{"IT:motorway", "130"},
{"IT:urban", "50"},
{"JP:nsl", "60"},
{"JP:express", "100"},
{"LT:rural", "90"},
{"LT:urban", "50"},
{"NO:rural", "80"},
{"NO:urban", "50"},
{"ON:urban", "50"},
{"ON:rural", "80"},
{"PT:motorway", "120"},
{"PT:rural", "90"},
{"PT:trunk", "100"},
{"PT:urban", "50"},
{"RO:motorway", "130"},
{"RO:rural", "90"},
{"RO:trunk", "100"},
{"RO:urban", "50"},
{"RU:living_street", "20"},
{"RU:urban", "60"},
{"RU:rural", "90"},
{"RU:motorway", "110"},
{"GB:motorway", "112"}, // 70 mph = 112.65408 kmph
{"GB:nsl_dual", "112"}, // 70 mph = 112.65408 kmph
{"GB:nsl_single", "96"}, // 60 mph = 96.56064 kmph
{"UK:motorway", "112"}, // 70 mph
{"UK:nsl_dual", "112"}, // 70 mph
{"UK:nsl_single", "96"}, // 60 mph
{"UZ:living_street", "30"},
{"UZ:urban", "70"},
{"UZ:rural", "100"},
{"UZ:motorway", "110"},
};
size_t const CameraNodeIntermediateDataProcessor::kMaxSpeedSpeedStringLength = 32;
} // namespace generator
namespace routing
{
void CameraNodeProcessor::Open(std::string const & writerFile, std::string const & readerFile,
std::string const & speedFile)
{
m_fileWriter = std::make_unique<FileWriter>(writerFile);
m_cameraNodeToWays = std::make_unique<Cache>(readerFile);
m_cameraNodeToWays->ReadAll();
FileReader maxSpeedReader(speedFile);
ReaderSource<FileReader> src(maxSpeedReader);
static auto constexpr kMaxSpeedSpeedStringLength =
generator::CameraNodeIntermediateDataProcessor::kMaxSpeedSpeedStringLength;
std::array<char, kMaxSpeedSpeedStringLength> buffer{};
uint64_t nodeOsmId = 0;
size_t maxSpeedStringLength = 0;
while (src.Size() > 0)
{
ReadPrimitiveFromSource(src, nodeOsmId);
ReadPrimitiveFromSource(src, maxSpeedStringLength);
CHECK_LESS(maxSpeedStringLength, kMaxSpeedSpeedStringLength, ("Too long maxspeed string"));
src.Read(buffer.data(), maxSpeedStringLength);
buffer[maxSpeedStringLength] = '\0';
m_cameraToMaxSpeed[nodeOsmId] = buffer.data();
}
}
void CameraNodeProcessor::Process(OsmElement & p, FeatureParams const & params,
generator::cache::IntermediateDataReader & cache)
{
if (!(p.type == OsmElement::EntityType::Node && ftypes::IsSpeedCamChecker::Instance()(params.m_types)))
return;
std::string maxSpeedStringKmPH = "0";
auto const it = m_cameraToMaxSpeed.find(p.id);
if (it != m_cameraToMaxSpeed.cend())
maxSpeedStringKmPH = it->second;
int32_t maxSpeedKmPH = 0;
if (!strings::to_int(maxSpeedStringKmPH.c_str(), maxSpeedKmPH))
LOG(LWARNING, ("Bad speed format:", maxSpeedStringKmPH));
CHECK_GREATER_OR_EQUAL(maxSpeedKmPH, 0, ());
uint32_t const lat = DoubleToUint32(p.lat, ms::LatLon::kMinLat, ms::LatLon::kMaxLat, POINT_COORD_BITS);
WriteToSink(*m_fileWriter, lat);
uint32_t const lon = DoubleToUint32(p.lon, ms::LatLon::kMinLon, ms::LatLon::kMaxLon, POINT_COORD_BITS);
WriteToSink(*m_fileWriter, lon);
WriteToSink(*m_fileWriter, static_cast<uint32_t>(maxSpeedKmPH));
std::vector<uint64_t> ways;
ForEachWayByNode(p.id, [&ways](uint64_t wayId)
{
ways.push_back(wayId);
return base::ControlFlow::Continue;
});
auto const size = static_cast<uint32_t>(ways.size());
WriteToSink(*m_fileWriter, size);
for (auto wayId : ways)
WriteToSink(*m_fileWriter, wayId);
}
} // namespace routing
namespace generator
{
CameraNodeIntermediateDataProcessor::CameraNodeIntermediateDataProcessor(std::string const & nodesFile,
std::string const & speedFile)
: m_speedCameraNodeToWays(nodesFile),
m_maxSpeedFileWriter(speedFile)
{
LOG(LINFO, ("Saving intermediate data about cameras to:", nodesFile,
", about maxspeed:", speedFile));
}
void CameraNodeIntermediateDataProcessor::ProcessWay(uint64_t id, WayElement const & way)
{
std::vector<uint64_t> nodes;
for (auto const node : way.nodes)
{
if (m_speedCameraNodes.find(node) != m_speedCameraNodes.end())
nodes.push_back(node);
}
if (!nodes.empty())
generator::cache::IntermediateDataWriter::AddToIndex(m_speedCameraNodeToWays, id, nodes);
}
std::string CameraNodeIntermediateDataProcessor::ValidateMaxSpeedString(std::string const & maxSpeedString)
{
auto const it = kRoadTypeToSpeedKMpH.find(maxSpeedString);
if (it != kRoadTypeToSpeedKMpH.cend())
return it->second;
// strings::to_int doesn't work here because of bad errno.
std::string result;
size_t i;
for (i = 0; i < maxSpeedString.size(); ++i)
{
if (!isdigit(maxSpeedString[i]))
break;
result += maxSpeedString[i];
}
while (i < maxSpeedString.size() && isspace(maxSpeedString[i]))
++i;
if (strings::StartsWith(string(maxSpeedString.begin() + i, maxSpeedString.end()), "kmh"))
return result;
if (strings::StartsWith(string(maxSpeedString.begin() + i, maxSpeedString.end()), "mph"))
{
int32_t mph = 0;
if (!strings::to_int(result.c_str(), mph))
return string();
auto const kmh = static_cast<int32_t>(routing::MilesPH2KMPH(mph));
return strings::to_string(kmh);
}
return result;
}
void CameraNodeIntermediateDataProcessor::ProcessNode(OsmElement & em)
{
for (auto const & tag : em.Tags())
{
std::string const & key(tag.key);
std::string const & value(tag.value);
if (key == "highway" && value == "speed_camera")
{
m_speedCameraNodes.insert(em.id);
}
else if (key == "maxspeed" && !value.empty())
{
WriteToSink(m_maxSpeedFileWriter, em.id);
std::string result = ValidateMaxSpeedString(value);
CHECK_LESS(result.size(), kMaxSpeedSpeedStringLength, ("Too long string for speed"));
WriteToSink(m_maxSpeedFileWriter, result.size());
m_maxSpeedFileWriter.Write(result.c_str(), result.size());
}
}
}
} // namespace generator
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