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https://github.com/EQEmu/Server.git
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7ab909ee47
- License was intended to be GPLv3 per earlier commit of GPLv3 LICENSE FILE - This is confirmed by the inclusion of libraries that are incompatible with GPLv2 - This is also confirmed by KLS and the agreement of KLS's predecessors - Added GPLv3 license headers to the compilable source files - Removed Folly licensing in strings.h since the string functions do not match the Folly functions and are standard functions - this must have been left over from previous implementations - Removed individual contributor license headers since the project has been under the "developer" mantle for many years - Removed comments on files that were previously automatically generated since they've been manually modified multiple times and there are no automatic scripts referencing them (removed in 2023)
115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
/* EQEmu: EQEmulator
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Copyright (C) 2001-2026 EQEmu Development Team
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "common/mutex.h"
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#include "common/mysql_request_result.h"
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#include "common/types.h"
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#include "mysql.h"
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#include <mutex>
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#define CR_SERVER_GONE_ERROR 2006
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#define CR_SERVER_LOST 2013
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namespace mysql { class PreparedStmt; }
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class DBcore {
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public:
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enum eStatus {
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Closed, Connected, Error
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};
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DBcore();
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~DBcore();
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eStatus GetStatus() { return pStatus; }
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MySQLRequestResult QueryDatabase(const char *query, uint32 querylen, bool retryOnFailureOnce = true);
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MySQLRequestResult QueryDatabase(const std::string& query, bool retryOnFailureOnce = true);
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MySQLRequestResult QueryDatabaseMulti(const std::string &query);
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void TransactionBegin();
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MySQLRequestResult TransactionCommit();
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void TransactionRollback();
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std::string Escape(const std::string& s);
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uint32 DoEscapeString(char *tobuf, const char *frombuf, uint32 fromlen);
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void ping();
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const std::string &GetOriginHost() const;
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void SetOriginHost(const std::string &origin_host);
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bool DoesTableExist(const std::string& table_name);
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void SetMySQL(const DBcore &o)
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{
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mysql = o.mysql;
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mysqlOwner = false;
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}
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void SetMutex(Mutex *mutex);
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// only safe on connections shared with other threads if results buffered
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// unsafe to use off main thread due to internal server logging
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// throws std::runtime_error on failure
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mysql::PreparedStmt Prepare(std::string query);
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protected:
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bool Open(
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const char *iHost,
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const char *iUser,
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const char *iPassword,
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const char *iDatabase,
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uint32 iPort,
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uint32 *errnum = 0,
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char *errbuf = 0,
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bool iCompress = false,
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bool iSSL = false
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);
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private:
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bool Open(uint32 *errnum = nullptr, char *errbuf = nullptr);
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MYSQL* mysql;
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bool mysqlOwner;
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Mutex *m_mutex;
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eStatus pStatus;
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std::mutex m_query_lock{};
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std::string origin_host;
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char *pHost;
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char *pUser;
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char *pPassword;
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char *pDatabase;
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bool pCompress;
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uint32 pPort;
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bool pSSL;
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// allows multiple queries to be executed within the same query
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// do not use this under normal operation
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// we use this during database migrations only currently
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void SetMultiStatementsOn()
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{
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mysql_set_server_option(mysql, MYSQL_OPTION_MULTI_STATEMENTS_ON);
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}
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// disables multiple statements to be executed in one query
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void SetMultiStatementsOff()
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{
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mysql_set_server_option(mysql, MYSQL_OPTION_MULTI_STATEMENTS_OFF);
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}
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};
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