amxmodx/dlls/mysqlx/mysql/MysqlDriver.cpp

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// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
//
// MySQL Module
//
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#include "amxxmodule.h"
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#include "MysqlDriver.h"
#include "MysqlDatabase.h"
using namespace SourceMod;
bool MysqlDriver::IsCompatDriver(const char *namestring)
{
return (strncasecmp(namestring, "mysql", 5) == 0);
}
const char *MysqlDriver::NameString()
{
return "mysql";
}
IDatabase *MysqlDriver::Connect(DatabaseInfo *info, int *errcode, char *error, size_t maxlength)
{
return _Connect(info, errcode, error, maxlength, false);
}
IDatabase *MysqlDriver::Connect2(DatabaseInfo *info, int *errcode, char *error, size_t maxlength)
{
return _Connect(info, errcode, error, maxlength, true);
}
IDatabase *MysqlDriver::_Connect(DatabaseInfo *info, int *errcode, char *error, size_t maxlength, bool do_timeout)
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{
MYSQL *mysql = mysql_init(NULL);
if (!mysql)
{
if (errcode)
*errcode = -1;
if (error && maxlength)
{
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UTIL_Format(error, maxlength, "Initialization failed");
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}
return NULL;
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}
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decltype(info->max_timeout) timeout = atoi(LOCALINFO("mysql_timeout"));
if (timeout <= 0)
{
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timeout = 60;
}
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if (do_timeout && info->max_timeout > 0)
{
timeout = info->max_timeout;
}
mysql_options(mysql, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&timeout);
mysql_options(mysql, MYSQL_OPT_READ_TIMEOUT, (const char *)&timeout);
mysql_options(mysql, MYSQL_OPT_WRITE_TIMEOUT, (const char *)&timeout);
/** Have MySQL automatically reconnect if it times out or loses connection.
* This will prevent "MySQL server has gone away" errors after a while.
*/
my_bool my_true = true;
mysql_options(mysql, MYSQL_OPT_RECONNECT, (const char *)&my_true);
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if (mysql_real_connect(mysql,
info->host,
info->user,
info->pass,
info->database,
info->port,
NULL,
CLIENT_MULTI_STATEMENTS) == NULL)
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{
if (errcode)
{
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*errcode = mysql_errno(mysql);
}
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if (error && maxlength)
{
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UTIL_Format(error, maxlength, "%s", mysql_error(mysql));
}
return NULL;
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}
MysqlDatabase *pMysql = new MysqlDatabase(mysql, this);
if (info->charset && *info->charset)
{
pMysql->SetCharacterSet(info->charset);
}
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return static_cast<IDatabase *>(pMysql);
}
int MysqlDriver::QuoteString(const char *str, char buffer[], size_t maxlen, size_t *newsize)
{
unsigned long size = static_cast<unsigned long>(strlen(str));
unsigned long needed = size*2 + 1;
if (maxlen < needed)
{
return (int)needed;
}
needed = mysql_escape_string(buffer, str, size);
if (newsize)
{
*newsize = static_cast<size_t>(needed);
}
return 0;
}