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