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124 lines
3.2 KiB
124 lines
3.2 KiB
/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef DATABASEMYSQL_H
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#define DATABASEMYSQL_H
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#include "database.h"
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#include <framework/global.h>
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#include <mysql/mysql.h>
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class DBResult;
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class DatabaseMySQL : public Database
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{
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public:
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DatabaseMySQL();
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~DatabaseMySQL();
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void connect(const std::string& host, const std::string& user, const std::string& pass,
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const std::string& db, uint16_t port, const std::string& unix_socket = "");
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bool beginTransaction();
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bool rollback();
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bool commit();
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bool executeQuery(const std::string &query);
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DBResultPtr storeQuery(const std::string &query);
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uint64_t getLastInsertedRowID();
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std::string escapeString(const std::string &s);
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std::string escapeBlob(const char* s, uint32_t length);
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void freeResult(DBResult *res);
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protected:
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bool handleError();
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bool internalExecuteQuery(const std::string &query);
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bool m_running;
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MYSQL m_mysqlHandle;
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};
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class DBResult : public LuaObject
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{
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public:
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DBResult(MYSQL_RES* res);
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~DBResult();
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friend class DatabaseMySQL;
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int32_t getDataInt(const std::string &s);
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int64_t getDataLong(const std::string &s);
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std::string getDataString(const std::string &s);
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const char* getDataStream(const std::string &s, unsigned long &size);
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bool next();
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private:
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typedef std::map<const std::string, uint32_t> ListNames;
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ListNames m_listNames;
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MYSQL_RES* m_res;
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MYSQL_ROW m_row;
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};
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class DBTransaction
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{
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public:
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DBTransaction(DatabaseMySQL* database) {
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m_database = database;
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m_state = STATE_NO_START;
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}
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~DBTransaction() {
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if(m_state == STATE_START) {
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m_database->rollback();
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}
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}
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bool begin() {
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m_state = STATE_START;
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return m_database->beginTransaction();
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}
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bool commit() {
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if(m_state == STATE_START) {
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m_state = STEATE_COMMIT;
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return m_database->commit();
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} else {
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return false;
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}
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}
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private:
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enum TransactionStates_t {
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STATE_NO_START, STATE_START, STEATE_COMMIT
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};
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TransactionStates_t m_state;
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DatabaseMySQL* m_database;
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};
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#endif
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