56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#pragma once
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#include <boost/asio.hpp>
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#include <boost/asio/awaitable.hpp>
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#include <boost/mysql.hpp>
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#include <memory>
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#include <queue>
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#include <string>
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class DatabaseManager {
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public:
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static DatabaseManager &GetInstance();
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bool Init(boost::asio::io_context &io_context, const std::string &host,
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uint16_t port, const std::string &user, const std::string &password,
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const std::string &db);
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struct UserData {
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std::string nickname;
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uint64_t gold;
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uint32_t swordLevel;
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uint32_t maxSwordLevel;
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};
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struct RankingResult {
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struct Entry {
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uint32_t rank;
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std::string nickname;
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uint64_t value;
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};
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std::vector<Entry> topEntries;
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int32_t myRank;
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uint64_t myValue;
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};
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boost::asio::awaitable<UserData> LoadUser(std::string nickname);
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boost::asio::awaitable<void> SaveUser(std::string nickname, uint64_t gold,
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uint32_t swordLevel);
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boost::asio::awaitable<RankingResult> GetRanking(int type,
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std::string nickname);
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private:
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DatabaseManager() = default;
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// 비동기 Mutex 역할을 할 함수들
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boost::asio::awaitable<void> Lock();
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void Unlock();
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std::unique_ptr<boost::mysql::tcp_ssl_connection> conn_;
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std::unique_ptr<boost::asio::strand<boost::asio::io_context::executor_type>>
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strand_;
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// 비동기 락 시스템을 위한 상태 변수
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bool is_locked_ = false;
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std::queue<std::shared_ptr<boost::asio::steady_timer>> waiting_queue_;
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};
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