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#ifndef MBGL_STORAGE_DEFAULT_SQLITE_CACHE
#define MBGL_STORAGE_DEFAULT_SQLITE_CACHE
#include <mbgl/storage/file_cache.hpp>
#include <string>
#include <thread>
typedef struct uv_loop_s uv_loop_t;
namespace mapbox { namespace util { template<typename... Types> class variant; } }
namespace mapbox { namespace sqlite { class Database; class Statement; } }
namespace mbgl {
namespace util { template <typename T> class AsyncQueue; }
class SQLiteCache : public FileCache {
struct GetAction;
struct PutAction;
struct RefreshAction;
struct StopAction;
using Action = mapbox::util::variant<GetAction, PutAction, RefreshAction, StopAction>;
using Queue = util::AsyncQueue<Action>;
public:
SQLiteCache(const std::string &path = ":memory:");
~SQLiteCache();
void get(const Resource &resource, std::function<void(std::unique_ptr<Response>)> callback);
void put(const Resource &resource, std::shared_ptr<const Response> response, Hint hint);
private:
struct ActionDispatcher;
void process(GetAction &action);
void process(PutAction &action);
void process(RefreshAction &action);
void process(StopAction &action);
void createDatabase();
const std::string path;
uv_loop_t *loop = nullptr;
Queue *queue = nullptr;
std::thread thread;
std::unique_ptr<::mapbox::sqlite::Database> db;
std::unique_ptr<::mapbox::sqlite::Statement> getStmt, putStmt, refreshStmt;
};
}
#endif
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