42 lines
878 B
C++
42 lines
878 B
C++
#ifndef SCRIPTING_ENVIRONMENT_HPP
|
|
#define SCRIPTING_ENVIRONMENT_HPP
|
|
|
|
#include <string>
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <tbb/enumerable_thread_specific.h>
|
|
|
|
struct lua_State;
|
|
|
|
namespace osrm
|
|
{
|
|
namespace extractor
|
|
{
|
|
|
|
/**
|
|
* Creates a lua context and binds osmium way, node and relation objects and
|
|
* ExtractionWay and ExtractionNode to lua objects.
|
|
*
|
|
* Each thread has its own lua state which is implemented with thread specific
|
|
* storage from TBB.
|
|
*/
|
|
class ScriptingEnvironment
|
|
{
|
|
public:
|
|
ScriptingEnvironment() = delete;
|
|
explicit ScriptingEnvironment(const std::string &file_name);
|
|
|
|
lua_State *GetLuaState();
|
|
|
|
private:
|
|
void InitLuaState(lua_State *lua_state);
|
|
std::mutex init_mutex;
|
|
std::string file_name;
|
|
tbb::enumerable_thread_specific<std::shared_ptr<lua_State>> script_contexts;
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif /* SCRIPTING_ENVIRONMENT_HPP */
|