server/src/shared/Database/DatabaseMysql.h
2012-07-22 14:39:53 +02:00

120 lines
3.5 KiB
C++

/*
* Copyright (C) 2005-2012 MaNGOS <http://getmangos.com/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef DO_POSTGRESQL
#ifndef _DATABASEMYSQL_H
#define _DATABASEMYSQL_H
//#include "Common.h"
#include "Database.h"
#include "Policies/Singleton.h"
#include "ace/Thread_Mutex.h"
#include "ace/Guard_T.h"
#ifdef WIN32
#include <winsock2.h>
#include <mysql/mysql.h>
#else
#include <mysql.h>
#endif
// MySQL prepared statement class
class MANGOS_DLL_SPEC MySqlPreparedStatement : public SqlPreparedStatement
{
public:
MySqlPreparedStatement(const std::string& fmt, SqlConnection& conn, MYSQL* mysql);
~MySqlPreparedStatement();
// prepare statement
virtual bool prepare() override;
// bind input parameters
virtual void bind(const SqlStmtParameters& holder) override;
// execute DML statement
virtual bool execute() override;
protected:
// bind parameters
void addParam(int nIndex, const SqlStmtFieldData& data);
static enum_field_types ToMySQLType(const SqlStmtFieldData& data, my_bool& bUnsigned);
private:
void RemoveBinds();
MYSQL* m_pMySQLConn;
MYSQL_STMT* m_stmt;
MYSQL_BIND* m_pInputArgs;
MYSQL_BIND* m_pResult;
MYSQL_RES* m_pResultMetadata;
};
class MANGOS_DLL_SPEC MySQLConnection : public SqlConnection
{
public:
MySQLConnection(Database& db) : SqlConnection(db), mMysql(NULL) {}
~MySQLConnection();
//! Initializes Mysql and connects to a server.
/*! infoString should be formated like hostname;username;password;database. */
bool Initialize(const char* infoString) override;
QueryResult* Query(const char* sql) override;
QueryNamedResult* QueryNamed(const char* sql) override;
bool Execute(const char* sql) override;
unsigned long escape_string(char* to, const char* from, unsigned long length);
bool BeginTransaction() override;
bool CommitTransaction() override;
bool RollbackTransaction() override;
protected:
SqlPreparedStatement* CreateStatement(const std::string& fmt) override;
private:
bool _TransactionCmd(const char* sql);
bool _Query(const char* sql, MYSQL_RES** pResult, MYSQL_FIELD** pFields, uint64* pRowCount, uint32* pFieldCount);
MYSQL* mMysql;
};
class MANGOS_DLL_SPEC DatabaseMysql : public Database
{
friend class MaNGOS::OperatorNew<DatabaseMysql>;
public:
DatabaseMysql();
~DatabaseMysql();
// must be call before first query in thread
void ThreadStart() override;
// must be call before finish thread run
void ThreadEnd() override;
protected:
virtual SqlConnection* CreateConnection() override;
private:
static size_t db_count;
};
#endif
#endif