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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
*
* 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 DATABASE_H
#define DATABASE_H
#include "Threading.h"
#include "Utilities/UnorderedMap.h"
#include "Database/SqlDelayThread.h"
#include "Policies/Singleton.h"
#include "ace/Thread_Mutex.h"
#include "ace/Guard_T.h"
#ifdef WIN32
#define FD_SETSIZE 1024
#include <winsock2.h>
#include <mysql/mysql.h>
#else
#include <mysql.h>
#endif
class SqlTransaction;
class SqlResultQueue;
class SqlQueryHolder;
typedef UNORDERED_MAP<ACE_Based::Thread* , SqlTransaction*> TransactionQueues;
typedef UNORDERED_MAP<ACE_Based::Thread* , SqlResultQueue*> QueryQueues;
#define MAX_QUERY_LEN 32*1024
class Database
{
protected:
TransactionQueues m_tranQueues; ///< Transaction queues from diff. threads
QueryQueues m_queryQueues; ///< Query queues from diff threads
SqlDelayThread* m_threadBody; ///< Pointer to delay sql executer (owned by m_delayThread)
ACE_Based::Thread* m_delayThread; ///< Pointer to executer thread
public:
Database();
~Database();
/*! infoString should be formated like hostname;username;password;database. */
bool Initialize(const char *infoString);
void InitDelayThread();
void HaltDelayThread();
QueryResult_AutoPtr Query(const char *sql);
QueryResult_AutoPtr PQuery(const char *format,...) ATTR_PRINTF(2,3);
QueryNamedResult* QueryNamed(const char *sql);
QueryNamedResult* PQueryNamed(const char *format,...) ATTR_PRINTF(2,3);
/// Async queries and query holders, implemented in DatabaseImpl.h
// Query / member
template<class Class>
bool AsyncQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr), const char *sql);
template<class Class, typename ParamType1>
bool AsyncQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr, ParamType1), ParamType1 param1, const char *sql);
template<class Class, typename ParamType1, typename ParamType2>
bool AsyncQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr, ParamType1, ParamType2), ParamType1 param1, ParamType2 param2, const char *sql);
template<class Class, typename ParamType1, typename ParamType2, typename ParamType3>
bool AsyncQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr, ParamType1, ParamType2, ParamType3), ParamType1 param1, ParamType2 param2, ParamType3 param3, const char *sql);
// Query / static
template<typename ParamType1>
bool AsyncQuery(void (*method)(QueryResult_AutoPtr, ParamType1), ParamType1 param1, const char *sql);
template<typename ParamType1, typename ParamType2>
bool AsyncQuery(void (*method)(QueryResult_AutoPtr, ParamType1, ParamType2), ParamType1 param1, ParamType2 param2, const char *sql);
template<typename ParamType1, typename ParamType2, typename ParamType3>
bool AsyncQuery(void (*method)(QueryResult_AutoPtr, ParamType1, ParamType2, ParamType3), ParamType1 param1, ParamType2 param2, ParamType3 param3, const char *sql);
// PQuery / member
template<class Class>
bool AsyncPQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr), const char *format,...) ATTR_PRINTF(4,5);
template<class Class, typename ParamType1>
bool AsyncPQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr, ParamType1), ParamType1 param1, const char *format,...) ATTR_PRINTF(5,6);
template<class Class, typename ParamType1, typename ParamType2>
bool AsyncPQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr, ParamType1, ParamType2), ParamType1 param1, ParamType2 param2, const char *format,...) ATTR_PRINTF(6,7);
template<class Class, typename ParamType1, typename ParamType2, typename ParamType3>
bool AsyncPQuery(Class *object, void (Class::*method)(QueryResult_AutoPtr, ParamType1, ParamType2, ParamType3), ParamType1 param1, ParamType2 param2, ParamType3 param3, const char *format,...) ATTR_PRINTF(7,8);
// PQuery / static
template<typename ParamType1>
bool AsyncPQuery(void (*method)(QueryResult_AutoPtr, ParamType1), ParamType1 param1, const char *format,...) ATTR_PRINTF(4,5);
template<typename ParamType1, typename ParamType2>
bool AsyncPQuery(void (*method)(QueryResult_AutoPtr, ParamType1, ParamType2), ParamType1 param1, ParamType2 param2, const char *format,...) ATTR_PRINTF(5,6);
template<typename ParamType1, typename ParamType2, typename ParamType3>
bool AsyncPQuery(void (*method)(QueryResult_AutoPtr, ParamType1, ParamType2, ParamType3), ParamType1 param1, ParamType2 param2, ParamType3 param3, const char *format,...) ATTR_PRINTF(6,7);
template<class Class>
// QueryHolder
bool DelayQueryHolder(Class *object, void (Class::*method)(QueryResult_AutoPtr, SqlQueryHolder*), SqlQueryHolder *holder);
template<class Class, typename ParamType1>
bool DelayQueryHolder(Class *object, void (Class::*method)(QueryResult_AutoPtr, SqlQueryHolder*, ParamType1), SqlQueryHolder *holder, ParamType1 param1);
bool Execute(const char *sql);
bool PExecute(const char *format,...) ATTR_PRINTF(2,3);
bool DirectExecute(const char* sql);
bool DirectPExecute(const char *format,...) ATTR_PRINTF(2,3);
bool _UpdateDataBlobValue(const uint32 guid, const uint32 field, const int32 value);
bool _SetDataBlobValue(const uint32 guid, const uint32 field, const uint32 value);
// Writes SQL commands to a LOG file (see Trinityd.conf "LogSQL")
bool PExecuteLog(const char *format,...) ATTR_PRINTF(2,3);
bool BeginTransaction();
bool CommitTransaction();
bool RollbackTransaction();
operator bool () const { return mMysql != NULL; }
unsigned long escape_string(char *to, const char *from, unsigned long length);
void escape_string(std::string& str);
void ThreadStart();
void ThreadEnd();
// sets the result queue of the current thread, be careful what thread you call this from
void SetResultQueue(SqlResultQueue * queue);
bool CheckRequiredField(char const* table_name, char const* required_name);
private:
bool m_logSQL;
std::string m_logsDir;
ACE_Thread_Mutex mMutex; // For thread safe operations between core and mySQL server
ACE_Thread_Mutex nMutex; // For thread safe operations on m_transQueues
ACE_Based::Thread * tranThread;
MYSQL *mMysql;
static size_t db_count;
bool _TransactionCmd(const char *sql);
bool _Query(const char *sql, MYSQL_RES **pResult, MYSQL_FIELD **pFields, uint64* pRowCount, uint32* pFieldCount);
};
#endif
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