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# Notes - Passing by constant reference is more performant. - Checking for empty string with `!= '\0'` is more performant. - https://pvs-studio.com/en/docs/warnings/v805/ - https://pvs-studio.com/en/docs/warnings/v813/
85 lines
1.6 KiB
C++
85 lines
1.6 KiB
C++
#ifndef DBCORE_H
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#define DBCORE_H
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#ifdef _WINDOWS
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#include <winsock2.h>
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#include <windows.h>
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#endif
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#include "../common/mutex.h"
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#include "../common/mysql_request_result.h"
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#include "../common/types.h"
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#include <mysql.h>
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#include <string.h>
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#include <mutex>
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class DBcore {
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public:
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enum eStatus {
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Closed, Connected, Error
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};
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DBcore();
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~DBcore();
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eStatus GetStatus() { return pStatus; }
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MySQLRequestResult QueryDatabase(const char *query, uint32 querylen, bool retryOnFailureOnce = true);
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MySQLRequestResult QueryDatabase(const std::string& query, bool retryOnFailureOnce = true);
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void TransactionBegin();
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void TransactionCommit();
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void TransactionRollback();
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std::string Escape(const std::string& s);
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uint32 DoEscapeString(char *tobuf, const char *frombuf, uint32 fromlen);
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void ping();
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const std::string &GetOriginHost() const;
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void SetOriginHost(const std::string &origin_host);
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bool DoesTableExist(const std::string& table_name);
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void SetMySQL(const DBcore &o)
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{
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mysql = o.mysql;
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mysqlOwner = false;
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}
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void SetMutex(Mutex *mutex);
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protected:
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bool Open(
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const char *iHost,
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const char *iUser,
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const char *iPassword,
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const char *iDatabase,
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uint32 iPort,
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uint32 *errnum = 0,
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char *errbuf = 0,
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bool iCompress = false,
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bool iSSL = false
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);
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private:
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bool Open(uint32 *errnum = nullptr, char *errbuf = nullptr);
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MYSQL* mysql;
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bool mysqlOwner;
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Mutex *m_mutex;
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eStatus pStatus;
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std::mutex m_query_lock{};
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std::string origin_host;
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char *pHost;
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char *pUser;
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char *pPassword;
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char *pDatabase;
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bool pCompress;
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uint32 pPort;
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bool pSSL;
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};
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#endif
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