eqemu-server/common/dbcore.h

98 lines
2.1 KiB
C++

#ifndef DBCORE_H
#define DBCORE_H
#ifdef _WINDOWS
#include <winsock2.h>
#include <windows.h>
#endif
#include "../common/mutex.h"
#include "../common/mysql_request_result.h"
#include "../common/types.h"
#include <mysql.h>
#include <string.h>
#include <mutex>
class DBcore {
public:
enum eStatus {
Closed, Connected, Error
};
DBcore();
~DBcore();
eStatus GetStatus() { return pStatus; }
MySQLRequestResult QueryDatabase(const char *query, uint32 querylen, bool retryOnFailureOnce = true);
MySQLRequestResult QueryDatabase(const std::string& query, bool retryOnFailureOnce = true);
MySQLRequestResult QueryDatabaseMulti(const std::string &query);
void TransactionBegin();
void TransactionCommit();
void TransactionRollback();
std::string Escape(const std::string& s);
uint32 DoEscapeString(char *tobuf, const char *frombuf, uint32 fromlen);
void ping();
const std::string &GetOriginHost() const;
void SetOriginHost(const std::string &origin_host);
bool DoesTableExist(const std::string& table_name);
void SetMySQL(const DBcore &o)
{
mysql = o.mysql;
mysqlOwner = false;
}
void SetMutex(Mutex *mutex);
protected:
bool Open(
const char *iHost,
const char *iUser,
const char *iPassword,
const char *iDatabase,
uint32 iPort,
uint32 *errnum = 0,
char *errbuf = 0,
bool iCompress = false,
bool iSSL = false
);
private:
bool Open(uint32 *errnum = nullptr, char *errbuf = nullptr);
MYSQL* mysql;
bool mysqlOwner;
Mutex *m_mutex;
eStatus pStatus;
std::mutex m_query_lock{};
std::string origin_host;
char *pHost;
char *pUser;
char *pPassword;
char *pDatabase;
bool pCompress;
uint32 pPort;
bool pSSL;
// allows multiple queries to be executed within the same query
// do not use this under normal operation
// we use this during database migrations only currently
void SetMultiStatementsOn()
{
mysql_set_server_option(mysql, MYSQL_OPTION_MULTI_STATEMENTS_ON);
}
// disables multiple statements to be executed in one query
void SetMultiStatementsOff()
{
mysql_set_server_option(mysql, MYSQL_OPTION_MULTI_STATEMENTS_OFF);
}
};
#endif