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112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#ifndef IDOMYSQLCONNECTION_H
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#define IDOMYSQLCONNECTION_H
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#include "db_ido_mysql/idomysqlconnection-ti.hpp"
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#include "mysql_shim/mysqlinterface.hpp"
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#include "base/array.hpp"
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#include "base/timer.hpp"
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#include "base/workqueue.hpp"
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#include "base/library.hpp"
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#include <cstdint>
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namespace icinga
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{
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typedef std::shared_ptr<MYSQL_RES> IdoMysqlResult;
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typedef std::function<void (const IdoMysqlResult&)> IdoAsyncCallback;
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struct IdoAsyncQuery
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{
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String Query;
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IdoAsyncCallback Callback;
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};
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/**
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* An IDO MySQL database connection.
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*
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* @ingroup ido
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*/
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class IdoMysqlConnection final : public ObjectImpl<IdoMysqlConnection>
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{
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public:
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DECLARE_OBJECT(IdoMysqlConnection);
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DECLARE_OBJECTNAME(IdoMysqlConnection);
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static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
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int GetPendingQueryCount() const override;
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protected:
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void OnConfigLoaded() override;
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void Resume() override;
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void Pause() override;
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void ActivateObject(const DbObject::Ptr& dbobj) override;
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void DeactivateObject(const DbObject::Ptr& dbobj) override;
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void ExecuteQuery(const DbQuery& query) override;
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void ExecuteMultipleQueries(const std::vector<DbQuery>& queries) override;
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void CleanUpExecuteQuery(const String& table, const String& time_key, double time_value) override;
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void FillIDCache(const DbType::Ptr& type) override;
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void NewTransaction() override;
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private:
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DbReference m_InstanceID;
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Library m_Library;
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std::unique_ptr<MysqlInterface, MysqlInterfaceDeleter> m_Mysql;
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MYSQL m_Connection;
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int m_AffectedRows;
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unsigned int m_MaxPacketSize;
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std::vector<IdoAsyncQuery> m_AsyncQueries;
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uint_fast32_t m_UncommittedAsyncQueries = 0;
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Timer::Ptr m_ReconnectTimer;
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Timer::Ptr m_TxTimer;
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IdoMysqlResult Query(const String& query);
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DbReference GetLastInsertID();
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int GetAffectedRows();
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String Escape(const String& s);
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Dictionary::Ptr FetchRow(const IdoMysqlResult& result);
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void DiscardRows(const IdoMysqlResult& result);
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void AsyncQuery(const String& query, const IdoAsyncCallback& callback = IdoAsyncCallback());
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void FinishAsyncQueries();
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bool FieldToEscapedString(const String& key, const Value& value, Value *result);
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void InternalActivateObject(const DbObject::Ptr& dbobj);
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void InternalDeactivateObject(const DbObject::Ptr& dbobj);
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void Disconnect();
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void Reconnect();
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void AssertOnWorkQueue();
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void ReconnectTimerHandler();
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bool CanExecuteQuery(const DbQuery& query);
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void InternalExecuteQuery(const DbQuery& query, int typeOverride = -1);
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void InternalExecuteMultipleQueries(const std::vector<DbQuery>& queries);
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void FinishExecuteQuery(const DbQuery& query, int type, bool upsert);
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void InternalCleanUpExecuteQuery(const String& table, const String& time_key, double time_value);
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void InternalNewTransaction();
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void ClearTableBySession(const String& table);
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void ClearTablesBySession();
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void ExceptionHandler(boost::exception_ptr exp);
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void FinishConnect(double startTime);
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};
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}
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#endif /* IDOMYSQLCONNECTION_H */
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