SabrehavenServer/src/databasemanager.cpp
2019-09-16 20:38:16 +03:00

118 lines
3.8 KiB
C++

/**
* Tibia GIMUD Server - a free and open-source MMORPG server emulator
* Copyright (C) 2019 Sabrehaven and Mark Samman <mark.samman@gmail.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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "otpch.h"
#include "configmanager.h"
#include "databasemanager.h"
#include "luascript.h"
extern ConfigManager g_config;
bool DatabaseManager::optimizeTables()
{
Database* db = Database::getInstance();
std::ostringstream query;
query << "SELECT `TABLE_NAME` FROM `information_schema`.`TABLES` WHERE `TABLE_SCHEMA` = " << db->escapeString(g_config.getString(ConfigManager::MYSQL_DB)) << " AND `DATA_FREE` > 0";
DBResult_ptr result = db->storeQuery(query.str());
if (!result) {
return false;
}
do {
std::string tableName = result->getString("TABLE_NAME");
std::cout << "> Optimizing table " << tableName << "..." << std::flush;
query.str(std::string());
query << "OPTIMIZE TABLE `" << tableName << '`';
if (db->executeQuery(query.str())) {
std::cout << " [success]" << std::endl;
} else {
std::cout << " [failed]" << std::endl;
}
} while (result->next());
return true;
}
bool DatabaseManager::tableExists(const std::string& tableName)
{
Database* db = Database::getInstance();
std::ostringstream query;
query << "SELECT `TABLE_NAME` FROM `information_schema`.`tables` WHERE `TABLE_SCHEMA` = " << db->escapeString(g_config.getString(ConfigManager::MYSQL_DB)) << " AND `TABLE_NAME` = " << db->escapeString(tableName) << " LIMIT 1";
return db->storeQuery(query.str()).get() != nullptr;
}
bool DatabaseManager::isDatabaseSetup()
{
Database* db = Database::getInstance();
std::ostringstream query;
query << "SELECT `TABLE_NAME` FROM `information_schema`.`tables` WHERE `TABLE_SCHEMA` = " << db->escapeString(g_config.getString(ConfigManager::MYSQL_DB));
return db->storeQuery(query.str()).get() != nullptr;
}
int32_t DatabaseManager::getDatabaseVersion()
{
if (!tableExists("server_config")) {
Database* db = Database::getInstance();
db->executeQuery("CREATE TABLE `server_config` (`config` VARCHAR(50) NOT NULL, `value` VARCHAR(256) NOT NULL DEFAULT '', UNIQUE(`config`)) ENGINE = InnoDB");
db->executeQuery("INSERT INTO `server_config` VALUES ('db_version', 0)");
return 0;
}
int32_t version = 0;
if (getDatabaseConfig("db_version", version)) {
return version;
}
return -1;
}
bool DatabaseManager::getDatabaseConfig(const std::string& config, int32_t& value)
{
Database* db = Database::getInstance();
std::ostringstream query;
query << "SELECT `value` FROM `server_config` WHERE `config` = " << db->escapeString(config);
DBResult_ptr result = db->storeQuery(query.str());
if (!result) {
return false;
}
value = result->getNumber<int32_t>("value");
return true;
}
void DatabaseManager::registerDatabaseConfig(const std::string& config, int32_t value)
{
Database* db = Database::getInstance();
std::ostringstream query;
int32_t tmp;
if (!getDatabaseConfig(config, tmp)) {
query << "INSERT INTO `server_config` VALUES (" << db->escapeString(config) << ", '" << value << "')";
} else {
query << "UPDATE `server_config` SET `value` = '" << value << "' WHERE `config` = " << db->escapeString(config);
}
db->executeQuery(query.str());
}