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/*
* 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
*/
#include <mysql.h>
#include "Common.h"
#include "QueryResult.h"
#include "SQLOperation.h"
#include "MySQLConnection.h"
#include "DatabaseWorker.h"
#include "Log.h"
#include "Util.h"
#include "Timer.h"
MySQLConnection::MySQLConnection() :
m_Mysql(NULL)
{
}
MySQLConnection::MySQLConnection(ACE_Activation_Queue* queue) :
m_queue(queue),
m_Mysql(NULL)
{
m_worker = new DatabaseWorker(m_queue, this);
}
MySQLConnection::~MySQLConnection()
{
MySQL::Thread_End();
mysql_close(m_Mysql);
}
bool MySQLConnection::Open(const std::string& infoString)
{
MYSQL *mysqlInit;
mysqlInit = mysql_init(NULL);
if (!mysqlInit)
{
sLog.outError("Could not initialize Mysql connection");
return false;
}
Tokens tokens = StrSplit(infoString, ";");
Tokens::iterator iter;
std::string host, port_or_socket, user, password, database;
int port;
char const* unix_socket;
iter = tokens.begin();
if (iter != tokens.end())
host = *iter++;
if (iter != tokens.end())
port_or_socket = *iter++;
if (iter != tokens.end())
user = *iter++;
if (iter != tokens.end())
password = *iter++;
if (iter != tokens.end())
database = *iter++;
mysql_options(mysqlInit, MYSQL_SET_CHARSET_NAME, "utf8");
#ifdef _WIN32
if (host==".") // named pipe use option (Windows)
{
unsigned int opt = MYSQL_PROTOCOL_PIPE;
mysql_options(mysqlInit, MYSQL_OPT_PROTOCOL, (char const*)&opt);
port = 0;
unix_socket = 0;
}
else // generic case
{
port = atoi(port_or_socket.c_str());
unix_socket = 0;
}
#else
if (host==".") // socket use option (Unix/Linux)
{
unsigned int opt = MYSQL_PROTOCOL_SOCKET;
mysql_options(mysqlInit, MYSQL_OPT_PROTOCOL, (char const*)&opt);
host = "localhost";
port = 0;
unix_socket = port_or_socket.c_str();
}
else // generic case
{
port = atoi(port_or_socket.c_str());
unix_socket = 0;
}
#endif
m_Mysql = mysql_real_connect(mysqlInit, host.c_str(), user.c_str(),
password.c_str(), database.c_str(), port, unix_socket, 0);
if (m_Mysql)
{
sLog.outDetail("Connected to MySQL database at %s", host.c_str());
sLog.outString("MySQL client library: %s", mysql_get_client_info());
sLog.outString("MySQL server ver: %s ", mysql_get_server_info( m_Mysql));
if (!mysql_autocommit(m_Mysql, 1))
sLog.outDetail("AUTOCOMMIT SUCCESSFULLY SET TO 1");
else
sLog.outDetail("AUTOCOMMIT NOT SET TO 1");
// set connection properties to UTF8 to properly handle locales for different
// server configs - core sends data in UTF8, so MySQL must expect UTF8 too
Execute("SET NAMES `utf8`");
Execute("SET CHARACTER SET `utf8`");
#if MYSQL_VERSION_ID >= 50003
my_bool my_true = (my_bool)1;
if (mysql_options(m_Mysql, MYSQL_OPT_RECONNECT, &my_true))
sLog.outDetail("Failed to turn on MYSQL_OPT_RECONNECT.");
else
sLog.outDetail("Successfully turned on MYSQL_OPT_RECONNECT.");
#else
#warning "Your mySQL client lib version does not support reconnecting after a timeout.\nIf this causes you any trouble we advice you to upgrade your mySQL client libs to at least mySQL 5.0.13 to resolve this problem."
#endif
return true;
}
else
{
sLog.outError("Could not connect to MySQL database at %s: %s\n", host.c_str(), mysql_error(mysqlInit));
mysql_close(mysqlInit);
return false;
}
}
bool MySQLConnection::Execute(const char* sql)
{
if (!m_Mysql)
return false;
{
// guarded block for thread-safe mySQL request
ACE_Guard<ACE_Thread_Mutex> query_connection_guard(m_Mutex);
#ifdef TRINITY_DEBUG
uint32 _s = getMSTime();
#endif
if (mysql_query(m_Mysql, sql))
{
sLog.outErrorDb("SQL: %s", sql);
sLog.outErrorDb("SQL ERROR: %s", mysql_error(m_Mysql));
return false;
}
else
{
#ifdef TRINITY_DEBUG
sLog.outDebug("[%u ms] SQL: %s", getMSTimeDiff(_s, getMSTime()), sql);
#endif
}
}
return true;
}
QueryResult_AutoPtr MySQLConnection::Query(const char* sql)
{
if (!sql)
return QueryResult_AutoPtr(NULL);
MYSQL_RES *result = NULL;
MYSQL_FIELD *fields = NULL;
uint64 rowCount = 0;
uint32 fieldCount = 0;
if (!_Query(sql, &result, &fields, &rowCount, &fieldCount))
return QueryResult_AutoPtr(NULL);
QueryResult *queryResult = new QueryResult(result, fields, rowCount, fieldCount);
queryResult->NextRow();
return QueryResult_AutoPtr(queryResult);
}
bool MySQLConnection::_Query(const char *sql, MYSQL_RES **pResult, MYSQL_FIELD **pFields, uint64* pRowCount, uint32* pFieldCount)
{
if (!m_Mysql)
return false;
{
// guarded block for thread-safe mySQL request
ACE_Guard<ACE_Thread_Mutex> query_connection_guard(m_Mutex);
#ifdef TRINITY_DEBUG
uint32 _s = getMSTime();
#endif
if (mysql_query(m_Mysql, sql))
{
sLog.outErrorDb("SQL: %s", sql);
sLog.outErrorDb("query ERROR: %s", mysql_error(m_Mysql));
return false;
}
else
{
#ifdef TRINITY_DEBUG
sLog.outDebug("[%u ms] SQL: %s", getMSTimeDiff(_s,getMSTime()), sql);
#endif
}
*pResult = mysql_store_result(m_Mysql);
*pRowCount = mysql_affected_rows(m_Mysql);
*pFieldCount = mysql_field_count(m_Mysql);
}
if (!*pResult )
return false;
if (!*pRowCount)
{
mysql_free_result(*pResult);
return false;
}
*pFields = mysql_fetch_fields(*pResult);
return true;
}
void MySQLConnection::BeginTransaction()
{
Execute("START TRANSACTION");
}
void MySQLConnection::RollbackTransaction()
{
Execute("ROLLBACK");
}
void MySQLConnection::CommitTransaction()
{
Execute("COMMIT");
}
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