minetestmapper/include/db-redis.h

32 lines
796 B
C++

#ifndef DB_REDIS_HEADER
#define DB_REDIS_HEADER
#include "db.h"
#include <unordered_map>
#include <utility>
#include <hiredis/hiredis.h>
class DBRedis : public DB {
public:
DBRedis(const std::string &mapdir);
std::vector<BlockPos> getBlockPos(BlockPos min, BlockPos max) override;
void getBlocksOnXZ(BlockList &blocks, int16_t x, int16_t z,
int16_t min_y, int16_t max_y) override;
~DBRedis() override;
private:
using pos2d = std::pair<int16_t, int16_t>;
static std::string replyTypeStr(int type);
void loadPosCache();
void HMGET(const std::vector<BlockPos> &positions, std::vector<ustring> *result);
// indexed by Z, contains all (x,y) position pairs
std::unordered_map<int16_t, std::vector<pos2d>> posCache;
redisContext *ctx;
std::string hash;
};
#endif // DB_REDIS_HEADER