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#include "tracking/protocol.hpp"
#include "coding/traffic.hpp"
#include <boost/python.hpp>
#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
namespace
{
using namespace boost::python;
// Converts a std::pair instance to a Python tuple.
template <typename T1, typename T2>
struct pair_to_tuple
{
static PyObject * convert(pair<T1, T2> const & p)
{
return incref(make_tuple(p.first, p.second).ptr());
}
static PyTypeObject const * get_pytype() { return &PyTuple_Type; }
};
template <typename T1, typename T2>
struct pair_to_python_converter
{
pair_to_python_converter() { to_python_converter<pair<T1, T2>, pair_to_tuple<T1, T2>, true>(); }
};
// Converts a vector<uint8_t> to/from Python str.
struct vector_uint8t_to_str
{
static PyObject * convert(vector<uint8_t> const & v)
{
str s(reinterpret_cast<char const *>(v.data()), v.size());
return incref(s.ptr());
}
};
struct vector_uint8t_from_python_str
{
vector_uint8t_from_python_str()
{
converter::registry::push_back(&convertible, &construct, type_id<vector<uint8_t>>());
}
static void * convertible(PyObject * obj_ptr)
{
if (!PyString_Check(obj_ptr))
return nullptr;
return obj_ptr;
}
static void construct(PyObject * obj_ptr, converter::rvalue_from_python_stage1_data * data)
{
const char * value = PyString_AsString(obj_ptr);
if (value == nullptr)
throw_error_already_set();
void * storage =
((converter::rvalue_from_python_storage<vector<uint8_t>> *)data)->storage.bytes;
new (storage) vector<uint8_t>(value, value + PyString_Size(obj_ptr));
data->convertible = storage;
}
};
} // namespace
BOOST_PYTHON_MODULE(pytracking)
{
using namespace boost::python;
using tracking::Protocol;
// Register the to-python converters.
pair_to_python_converter<Protocol::PacketType, size_t>();
to_python_converter<vector<uint8_t>, vector_uint8t_to_str>();
vector_uint8t_from_python_str();
class_<Protocol::DataElementsVec>("DataElementsVec")
.def(vector_indexing_suite<Protocol::DataElementsVec>());
class_<ms::LatLon>("LatLon")
.def_readwrite("lat", &ms::LatLon::lat)
.def_readwrite("lon", &ms::LatLon::lon);
class_<coding::TrafficGPSEncoder::DataPoint>("DataPoint")
.def(init<uint64_t, ms::LatLon const &>())
.def_readwrite("timestamp", &coding::TrafficGPSEncoder::DataPoint::m_timestamp)
.def_readwrite("coords", &coding::TrafficGPSEncoder::DataPoint::m_latLon);
enum_<Protocol::PacketType>("PacketType")
.value("AuthV0", Protocol::PacketType::AuthV0)
.value("DataV0", Protocol::PacketType::DataV0)
.value("CurrentAuth", Protocol::PacketType::CurrentAuth)
.value("CurrentData", Protocol::PacketType::CurrentData);
vector<uint8_t> (*CreateDataPacket1)(Protocol::DataElementsCirc const &) =
&Protocol::CreateDataPacket;
vector<uint8_t> (*CreateDataPacket2)(Protocol::DataElementsVec const &) =
&Protocol::CreateDataPacket;
class_<Protocol>("Protocol")
.def("CreateAuthPacket", &Protocol::CreateAuthPacket)
.staticmethod("CreateAuthPacket")
.def("CreateDataPacket", CreateDataPacket1)
.def("CreateDataPacket", CreateDataPacket2)
.staticmethod("CreateDataPacket")
.def("CreateHeader", &Protocol::CreateHeader)
.staticmethod("CreateHeader")
.def("DecodeHeader", &Protocol::DecodeHeader)
.staticmethod("DecodeHeader")
.def("DecodeDataPacket", &Protocol::DecodeDataPacket)
.staticmethod("DecodeDataPacket");
}
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